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1.
  • Acuña Mora, Mariela, 1990, et al. (författare)
  • Patient empowerment and its correlates in young persons with congenital heart disease
  • 2019
  • Ingår i: European Journal of Cardiovascular Nursing. - : Oxford University Press (OUP). - 1474-5151 .- 1873-1953. ; 18:5, s. 389-398
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective: The objective of this study was to measure the level of empowerment and identify its correlates in young persons with congenital heart disease. Study design: Patients aged 14–18 years with congenital heart disease, and under active follow-up in one of four paediatric cardiology centres in Sweden were invited to participate in a cross-sectional study. A total of 202 young persons returned the questionnaires. Patient empowerment was measured with the Gothenburg Young Persons Empowerment Scale that allows the calculation of total and subscale scores. Univariate and multivariate linear regression analyses were undertaken to analyse possible correlates, including: sex, age, health behaviours, knowledge of congenital heart disease, quality of life, patient-reported health, congenital heart disease complexity, transition readiness and illness perception. Results: The mean empowerment score was 54.6±10.6 (scale of 15–75). Univariate analyses showed that empowerment was associated with age, quality of life, transition readiness, illness perception, health behaviours and patient-reported health (perceived physical appearance, treatment anxiety, cognitive problems and communication issues). However, multivariable linear regression analyses identified that only transition readiness (β=0.28, P<0.001) and communication (β=0.36, P<0.001) had a positive association with patient empowerment. These variables were also significantly associated with the subscale scores of the empowerment scale of knowledge and understanding (P<0.001), shared decision-making (P<0.001) and enabling others (P<0.01). The overall models’ explained variance ranged from 8% to 37%. Conclusion: Patient empowerment was associated with transition readiness and fewer problems communicating. While it is not possible to establish the directionality of the associations, interventions looking to increase empowerment could benefit from using these variables (or measurements) for evaluation purposes.
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2.
  • Acuña Mora, Mariela, 1990, et al. (författare)
  • The longitudinal association between patient empowerment and patient-reported outcomes: What is the direction of effect?
  • 2022
  • Ingår i: PloS one. - : Public Library of Science (PLoS). - 1932-6203. ; 17:11
  • Tidskriftsartikel (refereegranskat)abstract
    • Theoretical literature and cross-sectional studies suggest empowerment is associated with other patient-reported outcomes (PROs). However, it is not known if patient empowerment is leading to improvements in other PROs or vice versa.The present study aimed to examine the direction of effects between patient empowerment and PROs in young persons with congenital heart disease (CHD).As part of the STEPSTONES-CHD trial, adolescents with CHD from seven pediatric cardiology centers in Sweden were included in a longitudinal observational study (n = 132). Data were collected when patients were 16 (T0), 17 (T1) and 18 ½ years old (T2). The Gothenburg Young Persons Empowerment Scale (GYPES) was used to measure patient empowerment. Random intercepts cross-lagged panel models between patient empowerment and PROs (communication skills; patient-reported health; quality of life; and transition readiness) were undertaken.We found a significant cross-lagged effect of transition readiness over patient empowerment between T1 and T2, signifying that a higher level of transition readiness predicted a higher level of patient empowerment. No other significant cross-lagged relationships were found.Feeling confident before the transition to adult care is necessary before young persons with CHD can feel in control to manage their health and their lives. Clinicians interested in improving patient empowerment during the transitional period should consider targeting transition readiness.
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3.
  • Ahlström, Love, et al. (författare)
  • Surgical Age and Morbidity After Arterial Switch for Transposition of the Great Arteries
  • 2019
  • Ingår i: Annals of Thoracic Surgery. - : Elsevier BV. - 1552-6259 .- 0003-4975. ; 108:4, s. 1242-1247
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Transposition of the great arteries (TGA) is a complex congenital heart disease that requires early diagnosis as well as advanced surgical repair and postoperative support. We sought herein to study the impact of surgical timing on early postoperative morbidity.Methods: We reviewed all patients with TGA corrected at our institution via arterial switch operation (ASO) between June 2001 and June 2016. Major postoperative morbidity (MPM) and death within 30 days after ASO were documented. Patients with double outlet right ventricle, chromosome abnormalities and non-cardiac diseases were excluded. MPM was defined as presence of at least 1 of the following: delayed sternum closure, reoperation, prolonged mechanical ventilation, noninvasive ventilation after extubation, peritoneal dialysis, ECMO and readmission. Results: 241 patients were included, with medians for birth weight, gestational week and age at surgery of 3.5 kg, 39 weeks, and 5 days, respectively. MPM was encountered in 32.3% of patients. Prematurity (p=0.001) and need for aortic arch repair at the time of ASO (p=0.04) were associated with significant increase in MPM. Non-A coronary anatomy, associated ventricular septal defect requiring surgical closure and fetal diagnosis of TGA had no significant impact on MPM (p=0.35, 0.08 and 0.21, respectively). There was no significant difference in MPM between the surgical groups (p=0.49).Conclusions: Early complications after ASO do occur and are mostly associated with prematurity and need for aortic arch repair. Timing of surgical repair does not seem to influence the rate of these complications.
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4.
  • Alenius Dahlqvist, Jenny, et al. (författare)
  • Heart rate variability in children with fontan circulation : lateral tunnel and extracardiac conduit
  • 2012
  • Ingår i: Pediatric Cardiology. - New York : Springer-Verlag New York. - 0172-0643 .- 1432-1971. ; 33:2, s. 307-315
  • Tidskriftsartikel (refereegranskat)abstract
    • The technique in Fontan surgery has developed from the lateral tunnel (LT) toward the extracardiac conduit (EC) used to reduce long-term complications such as atrial arrhythmia and sinus node dysfunction. Heart rate variability (HRV) examines cardiac nervous activity controlling the sinus node. This study aimed to investigate HRV in a cohort of children with univentricular hearts, focusing on the relation between HRV and surgical procedure. For 112 children with Fontan circulation, HRV was analyzed using power spectral analysis. Spectral power was determined in three regions: very-low-frequency (VLF), low-frequency (LF), and high-frequency (HF) regions. Patients were compared with 66 healthy controls subject. Patients with LT were compared with patients who had EC. The children with Fontan circulation showed a significantly reduced HRV including total power (P < 0.0001), VLF (P < 0.0001), LF (P < 0.0001), and HF (P = 0.001) compared with the control subjects. The LT and EC patients did not differ significantly. Reduced HRV was found in both the LT and EC patients. In terms of HRV reduction, EC was not superior to LT.
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5.
  • Alenius Dahlqvist, Jenny, 1972-, et al. (författare)
  • Pacemaker treatment after Fontan surgery-A Swedish national study
  • 2019
  • Ingår i: Congenital Heart Disease. - : Computers, Materials and Continua (Tech Science Press). - 1747-079X .- 1747-0803. ; 14:4, s. 582-589
  • Tidskriftsartikel (refereegranskat)abstract
    • ObjectiveFontan surgery is performed in children with univentricular heart defects. Previous data regarding permanent pacemaker implantation frequency and indications in Fontan patients are limited and conflicting. We examined the prevalence of and risk factors for pacemaker treatment in a consecutive national cohort of patients after Fontan surgery in Sweden. MethodsWe retrospectively reviewed all Swedish patients who underwent Fontan surgery from 1982 to 2017 (n=599). ResultsAfter a mean follow-up of 12.2years, 13% (78/599) of the patients with Fontan circulation had received pacemakers. Patients operated with the extracardiac conduit (EC) type of total cavopulmonary connection had a significantly lower prevalence of pacemaker implantation (6%) than patients with lateral tunnel (LT; 17%). Mortality did not differ between patients with (8%) and without pacemaker (5%). The most common pacemaker indication was sinus node dysfunction (SND) (64%). Pacemaker implantation due to SND was less common among patients with EC. Pacemaker implantation was significantly more common in patients with mitral atresia (MA; 44%), double outlet right ventricle (DORV; 24%) and double inlet left ventricle (DILV; 20%). In contrast, patients with pulmonary atresia with intact ventricular septum and hypoplastic left heart syndrome were significantly less likely to receive a pacemaker (3% and 6%, respectively). ConclusionsThirteen percent of Fontan patients received a permanent pacemaker, most frequently due to SND. EC was associated with a significantly lower prevalence of pacemaker than LT. Permanent pacemaker was more common in patients with MA, DORV, and DILV.
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  • Alenius Dahlqvist, Jenny, 1972-, et al. (författare)
  • Sinus node dysfunction in patients with Fontan circulation: could heart rate variability be a predictor for pacemaker implantation?
  • 2019
  • Ingår i: Pediatric Cardiology. - : Springer Science and Business Media LLC. - 0172-0643 .- 1432-1971. ; 40:4, s. 685-693
  • Tidskriftsartikel (refereegranskat)abstract
    • Sinus node dysfunction (SND) causes significant morbidity in patients after Fontan surgery. Heart rate variability (HRV) reflects the autonomic regulation of the heart, and changes in HRV have been associated with SND in adults. We aimed to study whether changes in HRV could be detected in 24-h electrocardiographic (ECG) recordings in Fontan patients with SND. We compared HRV results from two patient groups; patients with Fontan circulation who later required a pacemaker due to severe SND (n = 12) and patients with Fontan circulation and SND, without indication for pacemaker treatment (n = 11), with two control groups; patients with Fontan circulation without SND (n = 90) and healthy controls (n = 66). The Poincare plot index SD2 (representing changes in heart rate over 24-h) and the very low-frequency (VLF) HRV component were significantly higher in both SND groups, both compared with healthy controls and patients with Fontan circulation without SND. In SND patients with pacemakers, SD2 and VLF were slightly reduced compared to SND patients without pacemaker (p = 0.06). In conclusion, in Fontan patients with SND the HRV is significantly higher compared to healthy controls and Fontan patients without SND. However, in patients with severe SND requiring pacemaker, SD2 and VLF tended to be lower than in patients with SND without pacemaker, which could indicate a reduced diurnal HRV in addition to the severe bradycardia. This is a small study, but our results indicate that HRV analysis might be a useful method in the follow-up of Fontan patients regarding development of SND.
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8.
  • Avdikos, Vasileios, et al. (författare)
  • Outcomes following surgical repair of absent pulmonary valve syndrome : 30 years of experience from a Swedish tertiary referral centre
  • 2022
  • Ingår i: Interactive Cardiovascular and Thoracic Surgery. - : Oxford University Press (OUP). - 1569-9293 .- 1569-9285. ; 35:2
  • Tidskriftsartikel (refereegranskat)abstract
    • Surgical approach with reduction pulmonary artery plasty and valved conduit in patients with respiratory compromise prior to repair is associated with excellent long-term survival at the cost of a higher reintervention rate. OBJECTIVES: Absent pulmonary valve syndrome is a rare congenital heart defect with pulmonary artery dilatation and secondary airway compression. Although preoperative respiratory support and early surgical repair with pulmonary arterioplasty are often required in patients with airway compromise, the need for extensive plasty in these patients and for plasty in general in those with no or mild respiratory issues remains debatable. METHODS: We performed a retrospective survey of patients with this diagnosis and repair from 1988 to 2018. RESULTS: Twenty patients were identified. The median age and weight at repair were 0.8 (0.1-2.4) years and 7.0 (2.5-13.8) kg and included a valved conduit in 17 (85%) patients and a transannular patch in 3 patients. Five (29%) patients were ventilator-dependent prior to repair at the age of 0.3 (0.1-0.4) years. Pulmonary arterioplasty was performed in 7 patients (35%), including all 5 with ventilator dependency and 2 with respiratory symptoms due to recurrent infections. Two patients (10%) with preoperative ventilator dependency underwent extensive intrahilar arterioplasty. Preoperative ventilator dependency was associated with earlier repair and reinterventions (P < 0.05). There were 3 late deaths among cases with repair after 2000 (n = 14), none with preoperative ventilator dependency. CONCLUSIONS: The long-term outcomes of patients with this rare defect are good, comparable to those of other previous studies. Reduction pulmonary arterioplasty, which in this study was used only in patients with respiratory distress and ventilator dependency, is associated with excellent survival. Reinterventions are common in these patients.
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9.
  • Back, Julia, et al. (författare)
  • Evidence of support used for drug treatments in pediatric cardiology
  • 2021
  • Ingår i: Health Science Reports. - : WILEY. - 2398-8835. ; 4:2
  • Tidskriftsartikel (refereegranskat)abstract
    • Background and aims: Clinical support systems are widely used in pediatric care. The aim of this study was to assess the support for drug treatments used at pediatric cardiac wards and intensive care units in Sweden.Methods: Drug information, such as type of drug, indication, dose, and route of administration, for all in-hospital pediatric cardiac patients, was included in the study. Treatments were classified as either on-label (based on product information) or off-label. Support for off-label treatment was stratified by the use of clinical support systems (the national database on drugs, local, or other clinical experience guidelines).Results: In all, 28 patients were included in the study. The total number of drug treatments was 233, encompassing 65 different drugs. Overall, 175 (75%) treatments were off-label. A majority of off-label drug treatments were supported by other sources of information shared by experts. A total of 7% of the drug treatments were used without support.Conclusion:  Off-label drug treatment is still common in Swedish pediatric cardiac care. However, the majority of treatments were supported by the experience shared in clinical support systems.Key Points:Seventy-five percent of all prescriptions in pediatric cardiology care were off-label.A majority of patients received three or more drug treatments off-label.Use of clinical support systems and guidelines was common, but in 7% of all drug treatments, no support was found for the chosen treatment.
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10.
  • Bhat, Misha, et al. (författare)
  • Longitudinal ECG changes in tetralogy of Fallot and association with surgical repair
  • 2024
  • Ingår i: Frontiers in Cardiovascular Medicine. - 2297-055X. ; 11
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: ECG abnormalities have been linked to adverse changes in right ventricular (RV) morphology and poor clinical outcomes in repaired Tetralogy of Fallot (rTOF). Our aim was to describe how ECG changes progress in early and intermediate follow-up and whether types of surgical strategy at the time of primary repair affected these changes. Methods: We studied patients with rTOF born 2000–2018 operated at our institution. Seven time points in relation to primary repair, follow-up, and pulmonary valve replacement (PVR) were identified. Patients correct with valve sparing repair (VSR), trans-annular patch (TAP) including with a monocusp valve (TAP + M) and with at least 3 ECGs were included. PQ interval, QRS duration, dispersion, and fragmentation, QTc duration and dispersion, JTc as well as presence of a right bundle branch block (RBBB) were analyzed. Medical records were reviewed for demographic and surgical data. Results: Two hundred nineteen patients with 882 ECGs were analyzed with a median follow-up time of 12.3 years (8.4, 17) with 41 (19%) needing PVR during the study period. QRS duration increased at time of primary repair to discharge from 66 msec (IQR 12) to 129 msec (IQR 27) (p < 0.0001) and at 1- and 6- year follow-up but showed only a modest and temporary decrease after PVR. QTc increased at the time of primary repair as well as prior to PVR. PQ interval showed a small increase at the time of primary repair, was at its highest prior to PVR and decreased with PVR. Type of surgical repair affected mainly QTc and JTc and was consistently longer in the TAP + M group until PVR. In VSR, QTc and JTc were prolonged initially compared to TAP but were similar after 1 year. After PVR, there were no differences in adverse ECG changes between surgical groups. Conclusions: PQ interval and QRS duration best correspond to the assumed volume load whereas the relationship with QTc and JTc is more complex, suggesting that these represent more complex remodeling of the myocardium. Before PVR, QTc and JTc are longer in the TAP + M group which may be due to a longer surgical incision.
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12.
  • Bratt, Ewa-Lena, 1970, et al. (författare)
  • Adolescents with congenital heart disease - Parent’s perceptions and expectations about transition and transfer to adult care
  • 2016
  • Ingår i: 46th Nordic Meeting in Paediatric Cardiology. 21-23 September 2016. Båstad, Sweden.
  • Konferensbidrag (övrigt vetenskapligt/konstnärligt)abstract
    • Background: People with congenital heart disease (CHD) might need life-long medical follow-up and transfer to adult care (ACHD). An optimal transition process involves collaboration where parents and other family members are integrated, along with the patient and healthcare providers. The active role might be difficult for parents. Aim: Explore parent’s perceptions and expectations about transition and transfer to adult care. Method: Semi-structured interviews with 18 parents to adolescents with CHD, 14-18 years of age, were conducted in four pediatric cardiology settings in Sweden. Results: Three different categories were formulated: Need of knowledge; information addressed to the adolescent regarding the CHD, coming treatment and late-effects, but also general information about the ACHD-organization and future follow-up was emphasized. Other important aspects were smoking, alcohol, contraceptives, sex and pregnancy. Information given in a group and face-to face information was preferred included a visit to ACHD-outpatient clinic before transfer. Mixed feelings; the parents knew that transfer was a natural step, but were concerned and worried due to lack of knowledge about the process and new caregivers. Being involved made them feel secure. Timing; the parents expressed concerns over when and how the process should start. The majority considered the age of 11-12 year too early, while 15-16 years were considered more appropriate to start the transition process, depending of the adolescent’s maturity. Most parents had started handing over the responsibility for the medical treatment, but none the contact with the health care providers. Conclusion: The parents’ plea for involvement in the transition planning, being aware of the shift in roles and gradually giving the responsibility to the adolescent. One important aspect was to inform about the new caregiver and future follow-up. Parents considered disease specific information given by the nurse or physician as optimal using different learning methods.
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13.
  • Bratt, Ewa-Lena, 1970, et al. (författare)
  • Effectiveness of the STEPSTONES Transition Program for Adolescents With Congenital Heart Disease : A Randomized Controlled Trial
  • 2023
  • Ingår i: Journal of Adolescent Health. - : Elsevier. - 1054-139X .- 1879-1972.
  • Tidskriftsartikel (refereegranskat)abstract
    • Purpose: Adolescents with congenital heart disease transition from childhood to adulthood and transfer from pediatric-oriented to adult-oriented care. High-level empirical evidence on the effectiveness of transitional care is scarce. This study investigated the empowering effect (primary outcome) of a structured person-centered transition program for adolescents with congenital heart disease and studied its effectiveness on transition readiness, patient-reported health, quality of life, health behaviors, disease-related knowledge, and parental outcomes e.g., parental uncertainty, readiness for transition as perceived by the parents (secondary outcomes). Methods: The STEPSTONES-trial comprised a hybrid experimental design whereby a randomized controlled trial was embedded in a longitudinal observational study. The trial was conducted in seven centers in Sweden. Two centers were allocated to the randomized controlled trial-arm, randomizing participants to intervention or control group. The other five centers were intervention-naïve centers and served as contamination check control group. Outcomes were measured at the age of 16 years (baseline), 17 years, and 18.5 years. Results: The change in empowerment from 16 years to 18.5 years differed significantly between the intervention group and control group (mean difference = 3.44; 95% confidence interval = 0.27–6.65; p = .036) in favor of intervention group. For the secondary outcomes, significant differences in change over time were found in parental involvement (p = .008), disease-related knowledge (p = .0002), and satisfaction with physical appearance (p = .039). No differences in primary or secondary outcomes were detected between the control group and contamination check control group, indicating that there was no contamination in the control group. Discussion: The STEPSTONES transition program was effective in increasing patient empowerment, reducing parental involvement, improving satisfaction with physical appearance, and increasing disease-related knowledge. © 2023 Society for Adolescent Health and Medicine
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15.
  • Burström, Åsa, et al. (författare)
  • Adolescents with congenital heart disease : their opinions about the preparation for transfer to adult care
  • 2017
  • Ingår i: European Journal of Pediatrics. - : Springer. - 0340-6199 .- 1432-1076. ; 176:7, s. 881-889
  • Tidskriftsartikel (refereegranskat)abstract
    • The aim of the study was to explore what adolescents with congenital heart disease (CHD) view as important in the preparation for the transfer to adult care. We performed interviews in four focus groups with adolescents (14-18 years old) at four university hospitals in Sweden. Data was analysed using qualitative content analysis. The analysis revealed one main category; Becoming a manager of the condition and four subcategories; Sufficient knowledge about the health, Be a participant in the care, Parental support, and Communicate with others about the health. The adolescents' ages differentiated the discussion in the groups. The older adolescents seemed to have more interest in transition planning, information and transfer. The younger described more frustrations about communication and handling the disease. Conclusion: To become a manager of the CHD in daily life, the adolescents want disease specific knowledge, which should be communicated in a developmentally appropriate way. Adolescents want to participate and be involved in the transition process. They need support and guidance in how to communicate their CHD. Parental support is fundamental but it change over time. Moreover, peer-support is becoming more significant during the transition process.
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17.
  • Burström, Åsa, et al. (författare)
  • Parental uncertainty about transferring their adolescent with congenital heart disease to adult care
  • 2019
  • Ingår i: Journal of Advanced Nursing. - : John Wiley & Sons. - 0309-2402 .- 1365-2648. ; 75:2, s. 380-387
  • Tidskriftsartikel (refereegranskat)abstract
    • Aims: To study parent's levels of uncertainty related to the transfer from pediatric to adult care in adolescents with congenital heart disease (CHD) and to identify potentially correlating factors. Background: Parents acknowledge that during transition they struggle with finding ways of feeling secure in handing over the responsibility and letting go of control. Well-prepared and informed parents who feel secure are most likely better skilled to support their adolescent and to hand over the responsibility. Design: A cross-sectional study. Methods: Overall, 351 parents were included (35% response rate). Parental uncertainty was assessed using a Linear Analogue Scale (0-100). Data were collected between January - August 2016. Potential correlates were assessed using the readiness for transition questionnaire and sociodemographic data. Results: The mean parental uncertainty score was 42.5. Twenty-four percent of the parents had a very low level of uncertainty (score 0-10) and 7% had a very high level (score 91-100). Overall, 26% of the mothers and 36% of the fathers indicated that they had not started thinking of the transfer yet. The level of uncertainty was negatively associated with the level of perceived overall readiness. Adolescents' age, sex, CHD complexity, and parental age were not related to uncertainty. Conclusion: A wide range in the levels of uncertainty was found. Parents who were less involved in the care, or perceived their adolescent as readier for the transition, felt less uncertain. Still, thirty percent of the parents had not started to think about the transfer to adult care.
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21.
  • Carlsson, Annelie, et al. (författare)
  • Diabetes
  • 2012. - 4
  • Ingår i: Barnmedicin. - 9789144076096 ; , s. 531-541
  • Bokkapitel (refereegranskat)
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23.
  • Fricke, Katrin, et al. (författare)
  • Fetal cardiac magnetic resonance imaging of the descending aorta in suspected left-sided cardiac obstructions
  • 2023
  • Ingår i: Frontiers in Cardiovascular Medicine. - 2297-055X. ; 10, s. 01-10
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Severe left-sided cardiac obstructions are associated with high morbidity and mortality if not detected in time. The correct prenatal diagnosis of coarctation of the aorta (CoA) is difficult. Fetal cardiac magnetic resonance imaging (CMR) may improve the prenatal diagnosis of complex congenital heart defects. Flow measurements in the ascending aorta could aid in predicting postnatal CoA, but its accurate visualization is challenging.Objectives: To compare the flow in the descending aorta (DAo) and umbilical vein (UV) in fetuses with suspected left-sided cardiac obstructions with and without the need for postnatal intervention and healthy controls by fetal phase-contrast CMR flow. A second objective was to determine if adding fetal CMR to echocardiography (echo) improves the fetal CoA diagnosis.Methods: Prospective fetal CMR phase-contrast flow in the DAo and UV and echo studies were conducted between 2017 and 2022.Results: A total of 46 fetuses with suspected left-sided cardiac obstructions [11 hypoplastic left heart syndrome (HLHS), five critical aortic stenosis (cAS), and 30 CoA] and five controls were included. Neonatal interventions for left-sided cardiac obstructions (n = 23) or comfort care (n = 1 with HLHS) were pursued in all 16 fetuses with suspected HLHS or cAS and in eight (27%) fetuses with true CoA. DAo or UV flow was not different in fetuses with and without need of intervention. However, DAo and UV flows were lower in fetuses with either retrograde isthmic systolic flow [DAo flow 253 (72) vs. 261 (97) ml/kg/min, p = 0.035; UV flow 113 (75) vs. 161 (81) ml/kg/min, p = 0.04] or with suspected CoA and restrictive atrial septum [DAo flow 200 (71) vs. 268 (94) ml/kg/min, p = 0.04; UV flow 89 vs. 159 (76) ml/kg/min, p = 0.04] as well as in those without these changes. Adding fetal CMR to fetal echo predictors for postnatal CoA did not improve the diagnosis of CoA.Conclusion: Fetal CMR-derived DAo and UV flow measurements do not improve the prenatal diagnosis of left-sided cardiac obstructions, but they could be important in identifying fetuses with a more severe decrease in blood flow across the left side of the heart. The physiological explanation may be a markedly decreased left ventricular cardiac output with subsequent retrograde systolic isthmic flow and decreased total DAo flow.
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24.
  • Fricke, Katrin, et al. (författare)
  • Impact of Left Ventricular Morphology on Adverse Outcomes Following Stage 1 Palliation for Hypoplastic Left Heart Syndrome: 20 Years of National Data From Sweden
  • 2022
  • Ingår i: Journal of the American Heart Association. - : John Wiley & Sons. - 2047-9980. ; 11:7
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: Hypoplastic left heart syndrome is associated with significant morbidity and mortality. We aimed to assess the influence of left ventricular morphology and choice of shunt on adverse outcome in patients with hypoplastic left heart syndrome and stage 1 palliation. METHODS AND RESULTS: This was a retrospective analysis of patients with hypoplastic left heart syndrome with stage 1 palliation between 1999 and 2018 in Sweden. Patients (n=167) were grouped based on the anatomic subtypes aortic-mitral atresia, aortic atresia-mitral stenosis (AA-MS), and aortic-mitral stenosis. The left ventricular phenotypes including globular left ventricle (Glob-LV), miniaturized and slit-like left ventricle (LV), and the incidence of major adverse events (MAEs) including mortality were assessed. The overall mortality and MAEs were 31% and 41%, respectively. AA-MS (35%) was associated with both mortality (all other subtypes versus AA-MS: interstage-I: hazard ratio [HR], 2.7; P=0.006; overall: HR, 2.2; P=0.005) and MAEs (HR, 2.4; P=0.0009). Glob-LV (57%), noticed in all patients with AA-MS, 61% of patients with aortic stenosis-mitral stenosis, and 19% of patients with aortic atresia-mitral atresia, was associated with both mortality (all other left ventricular phenotypes versus Glob-LV: interstage-I: HR, 4.5; P=0.004; overall: HR, 3.4; P=0.0007) and MAEs (HR, 2.7; P=0.0007). There was no difference in mortality and MAEs between patients with AA-MS and without AA-MS with Glob-LV (P>0.15). Patients with AA-MS (35%) or Glob-LV (38%) palliated with a Blalock-Taussig shunt had higher overall mortality compared with those palliated with Sano shunts, irrespective of the stage 1 palliation year (AA-MS: HR, 2.6; P=0.04; Glob-LV: HR, 2.1; P=0.03). CONCLUSIONS: Glob-LV and AA-MS are independent morphological risk factors for adverse short-and long-term outcome, especially if a Blalock-Taussig shunt is used as part of stage 1 palliation. These findings are important for the clinical management of patients with hypoplastic left heart syndrome.
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25.
  • Giang, Kok Wai, 1984, et al. (författare)
  • Congenital heart disease: changes in recorded birth prevalence and cardiac interventions over the past half-century in Sweden
  • 2023
  • Ingår i: European Journal of Preventive Cardiology. - : Oxford University Press (OUP). - 2047-4873 .- 2047-4881. ; 30:2, s. 169-176
  • Tidskriftsartikel (refereegranskat)abstract
    • Aims Our objective was to assess changes in the birth prevalence of CHD over a half-century in a high-resource, nationwide setting, as well as changes in the prevalence of cardiac interventions in this population. Methods and results The Swedish National Patient and Cause of Death registers were linked to estimate the annual rates of CHD and cardiac interventions among live-born infants from 1970 to 2017. Additionally, separate estimates were obtained by lesion complexity, from mild to the most complex forms of CHD. Overall, the numbers of live-born infants with a CHD identified varied from 624 to 2459 annual cases, with rates increasing steadily from 5.7 to an average of 20 per 1000 live births at the end of the study period, and with a more pronounced increase from 1996 to 2005. The largest increase over time was observed for mild CHD lesions. Overall, the proportion of cardiac interventions among patients with CHD declined from 40.7% in 1970 to below 15.0% after 2014. However, in the most complex CHD lesion groups, overall cardiac interventions increased from 57.1 to 76.8% in patients with conotruncal defects and from 32.8 to 39.5% in those with severe non-conotruncal defects. Conclusion The live-birth prevalence of CHD in Sweden more than tripled during the past half-century, most likely resulting from more accurate diagnostic capabilities. The largest increase over time was observed among patients with simple defects. During the same period, overall cardiac interventions decreased whereas interventions for the most complex CHD groups increased.
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26.
  • Hakacova, Nina, et al. (författare)
  • Transition from Acenocoumarol to Warfarin in a 12-year-old Child.
  • 2011
  • Ingår i: Congenital Heart Disease. - : Computers, Materials and Continua (Tech Science Press). - 1747-079X. ; 6, s. 661-664
  • Tidskriftsartikel (refereegranskat)abstract
    • The types of coumadin anticoagulants registered and available for use differ between countries. Most frequently used coumadin anticoagulants are warfarin and acenocoumarol. Under several specific conditions, transition from one coumarin to another is required. Because of different pharmacokinetic and pharmacodynamic characteristics, the transition from one type of coumarol to another type can be challenging. There are no studies that address this issue in children. We present the case report of transition treatment between acenocoumarol and warfarin in a 12-year-old child with prosthetic mitral valve.
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27.
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28.
  • Hamberg, Anna-Karin, 1964-, et al. (författare)
  • Warfarin dose prediction in children using pharmacometric bridging : comparison with published pharmacogenetic dosing algorithms
  • 2013
  • Ingår i: European Journal of Clinical Pharmacology. - : Springer Science and Business Media LLC. - 0031-6970 .- 1432-1041. ; 69:6, s. 1275-1283
  • Tidskriftsartikel (refereegranskat)abstract
    • PurposeNumerous studies have investigated causes of warfarin dose variability in adults whereas studies in children are limited both in numbers and size. Mechanism-based population modelling provides an opportunity to condense and propagate prior knowledge from one population to another. The main objectives with this study were to evaluate the predictive performance of a theoretically bridged adult warfarin model in children, and to compare accuracy in dose prediction relative to published warfarin algorithms for children.MethodAn adult population PK/PD-model for warfarin, with CYP2C9 and VKORC1 genotype, age and target INR as dose predictors, was bridged to children using allometric scaling methods. Its predictive properties were evaluated in an external dataset of children 0-18 years old, including comparison of dose prediction accuracy with three pharmacogenetics-based algorithms for children.ResultsOverall, the bridged model predicted INR response well in 64 warfarin treated Swedish children (median age 4.3 years), but with a tendency to over predict INR in children ≤ 2 years old. The bridged model predicted 20 of 49 children (41%) within ± 20% of actual maintenance dose (median age 7.2 years). In comparison the published dosing algorithms predicted 33-41% of the children within ± 20% of actual dose. Dose optimization with the bridged model based on up to three individual INR observations increased the proportion within ± 20% of actual dose to 70%.ConclusionA mechanism-based population model developed on adult data provides a promising first step towards more individualized warfarin therapy in children.
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29.
  • Hanséus, Katarina, et al. (författare)
  • Analysis of atrioventricular plane movements by Doppler tissue imaging and m-mode in children with atrial septal defects before and after surgical and device closure.
  • 2002
  • Ingår i: Pediatric Cardiology. - : Springer Science and Business Media LLC. - 0172-0643 .- 1432-1971. ; 23:2, s. 152-159
  • Tidskriftsartikel (refereegranskat)abstract
    • Our objective was to compare the effects of surgical and device closure of atrial septal defects (ASDs) on atrioventricular plane function. In healthy individuals, both short- and long-axis motion contribute to ventricular pump function. Short-axis function (i.e., the amplitude and velocity of atrioventricular plane movements) may be evaluated by M-mode and Doppler tissue imaging. The study group consisted of 19 children with ASD of the secundum type before and after surgical (n = 12) or device (n = 7) closure and 10 healthy controls. Surgical and device closures were uncomplicated and all defects were completely closed. Registrations of atrioventricular plane systolic and diastolic amplitude and velocity were made from the tricuspid and the mitral annulus and from the septum in the apical four-chamber view. Comparisons were made between examinations before and after closure, between the two subgroups of patients treated by surgical and device closure, respectively, and between the patient group and the control groups. Before ASD closure, all measurements were normal or near normal. After surgery, systolic amplitudes and velocities of the tricuspid annulus and in the septum decreased significantly, whereas no changes were seen in the device group. Less marked changes were seen in diastolic measurements. However, in the surgical group significant decrease to subnormal values were found in the tricuspid annulus and in the septum, which may indicate a decreased diastolic function postoperatively. Mitral valve annulus amplitude and velocity were not affected by the treatment. Atrioventricular function is normal in children with right ventricular volume overload. The decrease to subnormal values after open-heart surgery is not seen after device closure of the ASD, indicating that surgery affects right ventricular function.
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30.
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31.
  • Hebert, Anders, et al. (författare)
  • Hemodynamic causes of exercise intolerance in Fontan patients.
  • 2014
  • Ingår i: International Journal of Cardiology. - : Elsevier BV. - 0167-5273. ; 175:3, s. 478-483
  • Tidskriftsartikel (refereegranskat)abstract
    • Exercise intolerance is frequent among Fontan patients and an important determinant for quality of life. This study investigated the hemodynamic causes of impaired exercise capacity in Fontan patients with particular focus on the influence of stroke volume index (SVI) and heart rate (HR).
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32.
  • Hellström-Westas, Lena, et al. (författare)
  • Long-distance transports of newborn infants with congenital heart disease
  • 2001
  • Ingår i: Pediatric Cardiology. - : Springer Science and Business Media LLC. - 0172-0643 .- 1432-1971. ; 22:5, s. 380-384
  • Tidskriftsartikel (refereegranskat)abstract
    • Little has been published about specific problems that may occur during long-distance transports of newborn cardiac patients. During a 4-year period after centralization of pediatric heart surgery in Sweden, 286 transports were prospectively investigated. A majority (77.3%) of the transports were carried out by nonspecialized teams. Ten severe adverse events, including the death of 1 infant, occurred during the 286 transports (3.5%). Another infant died later of cerebral complications from hypoxia, rendering a transport-related mortality of 0.7%. Twenty-two infants (7.7%) were severely hypoxic (oxygen saturation < or =65%) at arrival, and 12 of these infants suffered from transposition of the great arteries. During the second 2-year period increased use of intravenous prostaglandin E1 and transportation from tertiary-level units was associated with better transport outcome. During the same time period, overall 30-day postoperative mortality for pediatric cardiac surgery decreased from 4.0% to 1.2% in our hospital. When highly specialized treatment is centralized for quality reasons it is also important that risks associated with transport are considered and that the quality of transport is high. For some cardiac malformations antenatal diagnosis and referral of the mother for delivery to a center with pediatric cardiac surgery would probably further increase the chance of healthy survival in some infants.
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33.
  •  
34.
  • Holmqvist, Catarina, et al. (författare)
  • Collateral flow in coarctation of the aorta with magnetic resonance velocity mapping: correlation to morphological imaging of collateral vessels.
  • 2002
  • Ingår i: Journal of Magnetic Resonance Imaging. - : Wiley. - 1522-2586 .- 1053-1807. ; 15:1, s. 39-46
  • Tidskriftsartikel (refereegranskat)abstract
    • PURPOSE: To correlate quantification of collateral flow in aortic coarctation with the morphological visualization of the collateral vessels and to compare different approaches to measurement of collateral flow. MATERIALS AND METHODS: Thirteen children with coarctation were examined with T1-weighted spin-echo (T1-W SE) imaging and 3D contrast-enhanced magnetic resonance angiography (MRA). MR velocity mapping was performed at four levels in the descending aorta. RESULTS: The flow immediately above and below the coarctation did not differ significantly. Measuring within the coarctation resulted in flow overestimation. The increase of flow from proximal to distal aorta was 12 +/- 21% in patients with no or uncertain collaterals and 69 +/- 55% in patients with pronounced collaterals. Spin-echo images and MRA were comparable in visualizing collateral vessels. The visual estimation of collaterals correlated reasonably well with flow quantification MR velocity mapping. CONCLUSION: Collateral flow assessment with MR velocity mapping is an accurate technique for evaluating the hemodynamic importance of a coarctation and is recommended if abundant collaterals are not visualized with spin echo or MRA.
  •  
35.
  • Jacobs, Jeffrey P., et al. (författare)
  • Combining Congenital Heart Surgical and Interventional Cardiology Outcome Data in a Single Database : The Development of a Patient-Centered Collaboration of the European Congenital Heart Surgeons Association (ECHSA) and the Association for European Paediatric and Congenital Cardiology (AEPC)
  • 2023
  • Ingår i: World Journal for Pediatric and Congenital Heart Surgery. - 2150-1351. ; 14:4, s. 464-473
  • Tidskriftsartikel (refereegranskat)abstract
    • The European Congenital Heart Surgeons Association (ECHSA) Congenital Database (CD) is the second largest clinical pediatric and congenital cardiac surgical database in the world and the largest in Europe, where various smaller national or regional databases exist. Despite the dramatic increase in interventional cardiology procedures over recent years, only scattered national or regional databases of such procedures exist in Europe. Most importantly, no congenital cardiac database exists in the world that seamlessly combines both surgical and interventional cardiology data on an international level; therefore, the outcomes of surgical and interventional procedures performed on the same or similar patients cannot easily be tracked, assessed, and analyzed. In order to fill this important gap in our capability to gather and analyze information on our common patients, ECHSA and The Association for European Paediatric and Congenital Cardiology (AEPC) have embarked on a collaborative effort to expand the ECHSA-CD with a new module designed to capture data about interventional cardiology procedures. The purpose of this manuscript is to describe the concept, the structure, and the function of the new AEPC Interventional Cardiology Part of the ECHSA-CD, as well as the potentially valuable synergies provided by the shared interventional and surgical analyses of outcomes of patients. The new AEPC Interventional Cardiology Part of the ECHSA-CD will allow centers to have access to robust surgical and transcatheter outcome data from their own center, as well as robust national and international aggregate outcome data for benchmarking. Each contributing center or department will have access to their own data, as well as aggregate data from the AEPC Interventional Cardiology Part of the ECHSA-CD. The new AEPC Interventional Cardiology Part of the ECHSA-CD will allow cardiology centers to have access to aggregate cardiology data, just as surgical centers already have access to aggregate surgical data. Comparison of surgical and catheter interventional outcomes could potentially strengthen decision processes. A study of the wealth of information collected in the database could potentially also contribute toward improved early and late survival, as well as enhanced quality of life of patients with pediatric and/or congenital heart disease treated with surgery and interventional cardiac catheterization across Europe and the world.
  •  
36.
  • Jacobs, Jeffrey P., et al. (författare)
  • Combining Congenital Heart Surgical and Interventional Cardiology Outcome Data in a Single Database : The Development of a Patient-Centered Collaboration of the European Congenital Heart Surgeons Association (ECHSA) and the Association for European Paediatric and Congenital Cardiology (AEPC)
  • 2023
  • Ingår i: Cardiology in the Young. - 1047-9511. ; 33:7, s. 1043-1059
  • Tidskriftsartikel (refereegranskat)abstract
    • The European Congenital Heart Surgeons Association (ECHSA) Congenital Database (CD) is the second largest clinical pediatric and congenital cardiac surgical database in the world and the largest in Europe, where various smaller national or regional databases exist. Despite the dramatic increase in interventional cardiology procedures over recent years, only scattered national or regional databases of such procedures exist in Europe. Most importantly, no congenital cardiac database exists in the world that seamlessly combines both surgical and interventional cardiology data on an international level; therefore, the outcomes of surgical and interventional procedures performed on the same or similar patients cannot easily be tracked, assessed, and analyzed. In order to fill this important gap in our capability to gather and analyze information on our common patients, ECHSA and The Association for European Paediatric and Congenital Cardiology (AEPC) have embarked on a collaborative effort to expand the ECHSA-CD with a new module designed to capture data about interventional cardiology procedures. The purpose of this manuscript is to describe the concept, the structure, and the function of the new AEPC Interventional Cardiology Part of the ECHSA-CD, as well as the potentially valuable synergies provided by the shared interventional and surgical analyses of outcomes of patients. The new AEPC Interventional Cardiology Part of the ECHSA-CD will allow centers to have access to robust surgical and transcatheter outcome data from their own center, as well as robust national and international aggregate outcome data for benchmarking. Each contributing center or department will have access to their own data, as well as aggregate data from the AEPC Interventional Cardiology Part of the ECHSA-CD. The new AEPC Interventional Cardiology Part of the ECHSA-CD will allow cardiology centers to have access to aggregate cardiology data, just as surgical centers already have access to aggregate surgical data. Comparison of surgical and catheter interventional outcomes could potentially strengthen decision processes. A study of the wealth of information collected in the database could potentially also contribute toward improved early and late survival, as well as enhanced quality of life of patients with pediatric and/or congenital heart disease treated with surgery and interventional cardiac catheterization across Europe and the world.
  •  
37.
  • Jashari, Haki, 1986- (författare)
  • The effect of pressure afterload due to aortic coarctation on left ventricular function in children
  • 2016
  • Doktorsavhandling (övrigt vetenskapligt/konstnärligt)abstract
    • Background:Coarctation of the aorta (CoA) is a congenital heart disease which represents a narrowing of the proximal descending aorta, hence increasing pressure afterload to the left ventricle (LV). Conventional treatment of native CoA is surgical repair, however potential recurrence or other related complications e.g. aortic rupture, heart failure and cerebrovascular events are common. Thus, lifelong follow-up of these patients is required. Echocardiography is the most patient’s friendly method to evaluate CoA and in particular its effect on LV function. Moreover, the novel speckle tracking echocardiography (STE) is an important method to assess subclinical LV dysfunction, a technique that promises better evaluation of LV function in these patients.The aims of this thesis were to review the literature on LV function in children with CoA using myocardial deformation imaging technologies, hence, to better understand the current knowledge and vagueness of the scientific evidence. We also aimed to study the effect of early CoA repair on the structure and function of LV and ascending aorta. In addition, we wished to establish in a meta-analysis format normal values of speckle tracking derived strain and strain rate values.Methods:Study 1. We have systematically searched the PubMed, and studies that fulfilled the inclusion criteria were critically analyzed and presented on a narrative form.Study 2 and 3. In addition to conventional echocardiographic measures of LV and ascending aorta, we measured longitudinal strain and strain rate of the LV using a vendor independent software, TomTec. We have also measured the aorto-septal angle (AoSA). Data was compared with normal healthy controls.Study 4. Electronic databases were systematically searched and suitable studies were meta analyzed using Comprehensive meta-analysis version 3 software.Results:Study 1. In 7/4945 included articles, 123 and 76 patients with congenital aortic stenosis (CAS) and CoA were reported, respectively. Normal conventional LV function, with subclinical myocardial dysfunction were reported in all studies before intervention. After intervention, a consistent improvement of myocardial deformation parameters was documented, even though not reaching normal values.Study 2. In 21 patients with CoA, LV function significantly improved after intervention (p <0.001), however normal values were not reached even at medium-term follow-up (p = 0.002). Medium-term longitudinal strain correlated with pre intervention LV ejection faction (EF) (r = 0.58, p = 0.006). Medium-term subnormal values were more frequently associated with Bicuspid aortic valve (BAV) (33.3% vs. 66.6%; p <0.05).Study 3. AoSA was abnormally wide before intervention, in particular at peak ejection in the descending aorta (p <0.0001), and correlated with CoA pressure gradient. After intervention, AoSA normalized and significantly correlated with the increase of LV cavity function and overall LV deformation parameters.Study 4. In a meta-analysis of 28/282 studies including 1192 subjects, strain and strain rate values were established. Longitudinal strain normal mean values varied from -12.9 to -26.5 (mean, -20.5; 95 % CI, -20.0 to -21.0). Normal mean values of circumferential strain varied from -10.5 to -27.0 (mean, -22.06; 95 % CI, -21.5 to -22.5). Radial strain normal mean values varied from 24.9 to 62.1 (mean, 45.4; 95 % CI, 43.0 to 47.8). Meta-regression showed LV end-diastolic diameter as a significant determinant of variation of longitudinal strain. Longitudinal systolic strain rate was significantly determined by age and radial strain was influenced by the type of vendor used.Conclusion:The systematic review showed subclinical LV dysfunction in children with CoA before and after correction. However, since most of the patients were operated at an older age and had preserved LV EF, the effect of early intervention on LV function was only speculated. Our children with CoA who were operated at an earlier age showed LV subclinical dysfunction even at medium- term after intervention while the AoSA returned to normal shortly after intervention. Lower longitudinal strain values were found in patients with LV dysfunction (LV EF <50%) before intervention and BAV. Finally, normal range values for strain and strain rate have been established and seem to be influenced by patients’ age, LV end-diastolic diameter and vendor used.
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38.
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39.
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40.
  • McMahon, Colin J, et al. (författare)
  • Paediatric and adult congenital cardiology education and training in Europe.
  • 2022
  • Ingår i: Cardiology in the young. - 1467-1107. ; 32:12, s. 1966-1983
  • Tidskriftsartikel (refereegranskat)abstract
    • Limited data exist on training of European paediatric and adult congenital cardiologists.A structured and approved questionnaire was circulated to national delegates of Association for European Paediatric and Congenital Cardiology in 33 European countries.Delegates from 30 countries (91%) responded. Paediatric cardiology was not recognised as a distinct speciality by the respective ministry of Health in seven countries (23%). Twenty countries (67%) have formally accredited paediatric cardiology training programmes, seven (23%) have substantial informal (not accredited or certified) training, and three (10%) have very limited or no programme. Twenty-two countries have a curriculum. Twelve countries have a national training director. There was one paediatric cardiology centre per 2.66 million population (range 0.87-9.64 million), one cardiac surgical centre per 4.73 million population (range 1.63-10.72 million), and one training centre per 4.29 million population (range 1.63-10.72 million population). The median number of paediatric cardiology fellows per training programme was 4 (range 1-17), and duration of training was 3 years (range 2-5 years). An exit examination in paediatric cardiology was conducted in 16 countries (53%) and certification provided by 20 countries (67%). Paediatric cardiologist number is affected by gross domestic product (R2 = 0.41).Training varies markedly across European countries. Although formal fellowship programmes exist in many countries, several countries have informal training or no training. Only a minority of countries provide both exit examination and certification. Harmonisation of training and standardisation of exit examination and certification could reduce variation in training thereby promoting high-quality care by European congenital cardiologists.
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41.
  • Noren, Erik, et al. (författare)
  • Laparoscopic gastrostomy in children with congenital heart disease
  • 2007
  • Ingår i: Journal of Laparoendoscopic and Advanced Surgical Techniques. Part A. - : Mary Ann Liebert Inc. - 1557-9034 .- 1092-6429. ; 17:4, s. 483-489
  • Tidskriftsartikel (refereegranskat)abstract
    • Aim: The aim of this study was to study the type and frequency of complications and change in weight after a laparoscopic gastrostomy procedure in 31 children with congenital heart disease, comparing patient groups of children with univentricular and biventricular circulation, and with completed and uncompleted cardiac surgery. Methods: The method used was that of a retrospective study of all 31 children with congenital heart disease who underwent a laparoscopic gastrostomy at our center from 1995 to 2004. Main Outcome Measures: Postoperative complications and body weight changes during follow-up were the main outcome measures used in this study. Results: Minor stoma-related problems were common in both groups. Two severe complications requiring an operative intervention occurred in the univentricular circulation group. Weight was normal at birth, low at the time of the gastrostomy procedure, and did not catch up completely during the follow-up period of a mean of 20 months. There were no significant differences regarding mean weight gain between the groups. Conclusions: The complication rate after the laparoscopic gastrostomy procedure was higher in our patient group, compared to previously studied children with various diseases. Comparisons regarding mean weight gain between the groups showed no significant differences. The mean weight gain was low, suggesting that the energy expenditure in this patient group of children with severe congenital heart disease may be even higher than previously assumed.
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42.
  • Olofsson, Cecilia Kjellberg, et al. (författare)
  • A national study of the outcome after treatment of critical aortic stenosis in the neonate.
  • 2020
  • Ingår i: Cardiology in the young. - 1467-1107. ; 30:9, s. 1321-1327
  • Tidskriftsartikel (refereegranskat)abstract
    • This study describes short-term and long-term outcome after treatment of critical valvular aortic stenosis in neonates in a national cohort, with surgical valvotomy as first choice intervention.All neonates in Sweden treated for critical aortic stenosis between 1994 and 2016 were included. Patient files were analysed and cross-checked against the Swedish National Population Registry as of December 2017, giving complete survival data. Diagnosis was confirmed by reviewing echo studies. Critical aortic stenosis was defined as valvular stenosis with duct-dependent systemic circulation or depressed left ventricular function. Primary outcome was all-cause mortality and secondary outcomes were reintervention and aortic valve replacement.Sixty-one patients were identified (50 boys, 11 girls). Primary treatment was surgical valvotomy in 52 neonates and balloon valvotomy in 6. Median age at initial treatment was 5 days (0-26), and median follow-up time was 10.8 years (0.14-22.6). There was no 30-day mortality but four late deaths. Freedom from reintervention was 66%, 61%, 54%, 49%, and 46% at 1, 5, 10, 15, and 20 years, respectively. Median time to reintervention was 3.4 months (4 days to 17.3 years). Valve replacement was performed in 23 patients (38%).Surgical valvotomy is a safe and reliable treatment in these critically ill neonates, with no 30-day mortality and long-term survival of 93% in this national study. At 10 years of age, reintervention was performed in 54% and at end of follow-up 38% had had an aortic valve replacement.
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43.
  • Olofsson, Cecilia Kjellberg, et al. (författare)
  • Outcomes in neonatal critical and non-critical aortic stenosis: A retrospective cohort study
  • 2023
  • Ingår i: Archives of Disease in Childhood. - : BMJ. - 0003-9888 .- 1468-2044. ; 108:5, s. 398-404
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective: To compare long-term survival, reinterventions and risk factors using strict definitions of neonatal critical and non-critical valvular aortic stenosis (VAS). Design: A nationwide retrospective study using data from patient files, echocardiograms and the Swedish National Population Registry. Setting and patients: All neonates in Sweden treated for isolated VAS 1994-2018. We applied the following criteria for critical aortic stenosis: valvular stenosis with duct-dependent systemic circulation or depressed left ventricular function (fractional shortening ≤27%). Indication for treatment of non-critical VAS was Doppler mean gradient >50 mm Hg. Main outcome measures: Short-term and long-term survival, aortic valve reinterventions need of valve replacements, risk factors for reintervention and event-free survival. Results: We identified 65 patients with critical VAS and 42 with non-critical VAS. The majority of the neonates were managed by surgical valvotomy. Median follow-up time was 13.5 years, with no patients lost to follow-up. There was no 30-day mortality. Long-term transplant-free survival was 91% in the critical stenosis group and 98% in the non-critical stenosis group (p=0.134). Event-free survival was 40% versus 67% (p=0.002) in the respective groups. Median time from the initial treatment to reintervention was 3.6 months versus 3.9 years, respectively (p=0.008). Conclusions: Critical VAS patients had significantly higher need for reintervention during the first year of life, lower event-free survival and lower freedom from aortic valve replacement at age ≥18 years, compared with neonates with non-critical stenosis.
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44.
  • Rask, Olof, et al. (författare)
  • Lower incidence of procoagulant abnormalities during follow-up after creation of the Fontan circulation in children.
  • 2009
  • Ingår i: Cardiology in the Young. - 1467-1107. ; 19, s. 152-158
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVE: Children who undergo surgery for complex congenital cardiac disease are reported to be at increased thrombotic risk. Our aim was to evaluate long-term changes in the haemostatic system after surgery, to compare markers of activated coagulation in children having surgery with those in a healthy control population, and to relate them to adverse clinical outcome.Patients and methodsWe studied, prior to surgery, the coagulation profiles of a cohort of 28 children admitted for a modified Fontan operation, studying them again after a period of mean follow-up of 9.6 years. Median age at the time of final surgery was 18.5 months, with a range from 12 to 76 months. We compared generation of thrombin, and levels of the activated protein C-protein C inhibitor complex to controls at follow-up. Thrombophilia and clinical outcome were evaluated. RESULTS: At long-term follow-up, a lower incidence of procoagulant abnormalities was observed compared to that before surgery. Of 27 patients, 3 (11%), but none of 45 controls, had levels of activated protein C-protein C inhibitor complex above the reference range. There were no significant differences in generation of thrombin between patients and controls. No thrombotic events were recorded, and the patients were generally in good clinical condition. CONCLUSIONS: Overall, haemostasis appeared to be in balance, and less prothrombotic, after surgery. A subset of the cohort did show indications of activated coagulation. The current therapeutic approach seems to be sufficient to protect the majority of patient. New tests of global coagulation, nonetheless, may be helpful in improving identification of individuals at increased thrombotic risk.
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45.
  • Seale, A N, et al. (författare)
  • Pulmonary vein stenosis: the UK, Ireland and Sweden collaborative study.
  • 2009
  • Ingår i: Heart (British Cardiac Society). - : BMJ. - 1468-201X .- 1355-6037. ; 95:23, s. 1944-9
  • Tidskriftsartikel (refereegranskat)abstract
    • OBJECTIVE: To describe clinical features, morphology, management and outcome of pulmonary vein stenosis (PVS) in childhood. DESIGN AND SETTING: Retrospective international collaborative study involving 19 paediatric cardiology centres in the UK, Ireland and Sweden. PATIENTS: Cases of PVS presenting between 1 January 1995 and 31 December 2004 were identified. Cases where pulmonary veins connected to a morphological left atrium were included. Functionally univentricular hearts and total anomalous pulmonary venous connection were excluded. All available data and imaging were reviewed. RESULTS: 58 cases were identified. In 22 cases (38%) there was premature delivery. 46 (79%) had associated cardiac lesions; 16 (28%) had undergone previous cardiac surgery before PVS diagnosis. 16 children (28%) had a syndrome or significant extracardiac abnormality. 36 presented with unilateral disease of which 86% was on the left. Where there was adequate sequential imaging, disease progression was shown with discrete stenosis leading to diffusely small pulmonary veins. Collateral vessels often developed. 13 patients had no intervention. Initial intervention was by catheter in 17 and surgery in 28. Overall 3-year survival was 49% (95% CI 35% to 63%) with patients undergoing initial surgical intervention having greater freedom from death or re-intervention (hazard ratio 0.44, 95% CI 0.2 to 0.99, p = 0.023). CONCLUSIONS: PVS is a complex disease of uncertain cause and frequently associated with prematurity. Early intervention may be indicated to deter irreversible secondary changes.
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46.
  • Seale, Anna N., et al. (författare)
  • Total Anomalous Pulmonary Venous Connection Morphology and Outcome From an International Population-Based Study
  • 2010
  • Ingår i: Circulation. - 1524-4539. ; 122:25, s. 237-2718
  • Tidskriftsartikel (refereegranskat)abstract
    • Background-Late mortality after repair of total anomalous pulmonary venous connection is frequently associated with pulmonary venous obstruction (PVO). We aimed to describe the morphological spectrum of total anomalous pulmonary venous connection and identify risk factors for death and postoperative PVO. Methods and Results-We conducted a retrospective, international, collaborative, population-based study involving all 19 pediatric cardiac centers in the United Kingdom, Ireland, and Sweden. All infants with total anomalous pulmonary venous connection born between 1998 and 2004 were identified. Cases with functionally univentricular circulations or atrial isomerism were excluded. All available data and imaging were reviewed. Of 422 live-born cases, 205 (48.6%) had supracardiac, 110 (26.1%) had infracardiac, 67 (15.9%) had cardiac, and 37 (8.8%) had mixed connections. There were 2 cases (0.5%) of common pulmonary vein atresia. Some patients had extremely hypoplastic veins or, rarely, discrete stenosis of the individual veins. Sixty (14.2%) had associated cardiac anomalies. Sixteen died before intervention. Three-year survival for surgically treated patients was 85.2% (95% confidence interval 81.3% to 88.4%). Risk factors for death in multivariable analysis comprised earlier age at surgery, hypoplastic/stenotic pulmonary veins, associated complex cardiac lesions, postoperative pulmonary hypertension, and postoperative PVO. Sixty (14.8%) of the 406 patients undergoing total anomalous pulmonary venous connection repair had postoperative PVO that required reintervention. Three-year survival after initial surgery for patients with postoperative PVO was 58.7% (95% confidence interval 46.2% to 69.2%). Risk factors for postoperative PVO comprised preoperative hypoplastic/stenotic pulmonary veins and absence of a common confluence. Conclusions-Preoperative clinical and morphological features are important risk factors for postoperative PVO and survival. (Circulation. 2010;122:2718-2726.)
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47.
  • Seale, Anna N., et al. (författare)
  • Total anomalous pulmonary venous connection: Outcome of postoperative pulmonary venous obstruction
  • 2013
  • Ingår i: Journal of Thoracic and Cardiovascular Surgery. - : Elsevier BV. - 1097-685X .- 0022-5223. ; 145:5, s. 1255-1262
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective: Pulmonary venous obstruction (PVO) is an important cause of late mortality in total anomalous pulmonary venous connection (TAPVC). We aimed to describe current practices for the management of postoperative PVO and the efficacy of the different interventional procedures. Methods: We conducted a retrospective international collaborative population-based study involving 19 pediatric cardiac centers in the United Kingdom, Ireland, and Sweden. Patients with TAPVC born between January 1, 1998, and December 31, 2004, were identified. Patients with functionally univentricular circulation or atrial isomerism were excluded. All available data and images were reviewed. Results: Of 406 patients undergoing repair of TAPVC, 71 (17.5%) had postoperative PVO. The diagnosis was made within 6 months of surgery in 59 (83%) of the 71 patients. In 12, serial imaging documented change in appearance of the pulmonary veins. Good-sized pulmonary veins can progress to diffusely small veins and rarely atresia. Patients presenting after 6 months had less severe disease; all are alive at most recent follow-up. Fifty-six (13.8%) of 406 patients underwent intervention for postoperative PVO: 44 had surgical treatment and 12 had an initial catheter intervention. One half underwent 1 or more reinterventions. Three-year survival for patients with postoperative PVO was 58.7%(95% confidence intervals, 46.2%-69.2%) with a trend that those having a surgical strategy did better (P = .083). Risk factors for death included earlier presentation after TAPVC repair, diffusely small pulmonary veins at presentation of postoperative PVO, and an increased number of lung segments affected by obstruction. Conclusions: Postoperative PVO tends to appear in the first 6 months after TAPVC repair and can be progressive. Early intervention for PVO may be indicated before irreversible secondary changes occur. (J Thorac Cardiovasc Surg 2013;145:1255-62)
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48.
  • Sendzikaite, Skaiste, et al. (författare)
  • Covid-19 FAQ's in Paediatric and Congenital Cardiology - AEPC position paper.
  • 2021
  • Ingår i: Cardiology in the Young. - 1047-9511. ; 31:3, s. 344-351
  • Tidskriftsartikel (refereegranskat)abstract
    • The Covid-19 pandemic has had a huge influence in almost all areas of life, affecting societies, economics and health care systems worldwide. The paediatric cardiology community is no exception. As the challenging battle with Covid-19 continues, professionals from the Association for the European Paediatric and Congenital Cardiology (AEPC) receive many questions regarding Covid-19 in a Paediatric and Congenital Cardiology setting. The aim of this paper is to present the AEPC position on frequently asked questions based on the most recent scientific data, as well as to frame a discussion on how to take care of our patients during this unprecedented crisis. As the times are changing quickly and information regarding Covid-19 is very dynamic, continuous collection of evidence will help guide constructive decision-making.
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49.
  • Skogby, Sandra, 1989, et al. (författare)
  • Outpatient volumes and medical staffing resources as predictors for continuity of follow-up care during transfer of adolescents with congenital heart disease
  • 2020
  • Ingår i: International Journal of Cardiology. - : Elsevier. - 0167-5273 .- 1874-1754. ; 310, s. 51-57
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: Providing continuous follow-up care to patients with congenital heart disease (CHD) remains a challenge in many settings. Previous studies highlight that patients with CHD experience discontinuation of follow-up care, but mainly describe a single-centre perspective, neglecting inter-institutional variations. Hospital-related factors above and beyond patient-related factors are believed to affect continuity of care. The present multicentre study therefore investigated (i) proportion of "no follow-up care"; (ii) transfer destinations after leaving paediatric cardiology; (iii) variation in proportions of no follow-up between centres; (iv) the association between no follow-up and outpatient volumes, and (v) its relationship with staffing resources at outpatient clinics.METHODS: An observational, multicentre study was conducted in seven university hospitals. In total, 654 adolescents with CHD, born between 1991 and 1993, with paediatric outpatient visit at age 14-18 years were included. Transfer status was determined 5 years after the intended transfer to adult care (23y), based on medical files, self-reports and registries.RESULTS: Overall, 89.7% of patients were receiving adult follow-up care after transfer; 6.6% had no follow-up; and 3.7% were untraceable. Among patients in follow-up care, only one remained in paediatric care and the majority received specialist adult CHD care. Significant variability in proportions of no follow-up were identified across centres. Higher outpatient volumes at paediatric outpatient clinics were associated with better continued follow-up care after transfer (OR = 1.061; 95% CI = 1.001 - 1.124). Medical staffing resources were not found predictive.CONCLUSION: Our findings support the theory of hospital-related factors influencing continuity of care, above and beyond patient-related characteristics.
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50.
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