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- Berntorp, Erik, et al.
(författare)
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Treatment of haemophilia A and B and von Willebrand's disease : summary and conclusions of a systematic review as part of a Swedish health-technology assessment
- 2012
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Ingår i: Haemophilia. - : Wiley. - 1351-8216 .- 1365-2516. ; 18:2, s. 158-165
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Forskningsöversikt (refereegranskat)abstract
- In an ongoing health-technology assessment of haemophilia treatment in Sweden, performed by the governmental agency Dental and Pharmaceutical Benefits Agency (TLV; tandvårds-och läkemedelsförmånsverket), the Swedish Council on Health Technology Assessment (SBU; statens beredning för medicinsk utvärdering) was called upon to evaluate treatment of haemophilia A and B and von Willebrand's disease (VWD) with clotting factor concentrates. To evaluate the following questions: What are the short-term and long-term effects of different treatment strategies? What methods are available to treat haemophilia patients that have developed inhibitors against factor concentrates? Based on the questions addressed by the project, a systematic database search was conducted in PubMed, NHSEED, Cochrane Library, EMBASE and other relevant databases. The literature search covered all studies in the field published from 1985 up to the spring of 2010. In most instances, the scientific evidence is insufficient for the questions raised in the review. Concentrates of coagulation factors have good haemostatic effects on acute bleeding and surgical intervention in haemophilia A and B and VWD, but conclusions cannot be drawn about possible differences in the effects of different dosing strategies for acute bleeding and surgery. Prophylaxis initiated at a young age can prevent future joint damage in persons with haemophilia. The available treatment options for inhibitors have been insufficiently assessed. The economic consequences of various treatment regimens have been insufficiently analysed. Introduction of national and international registries is important.
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- Brodin, Elisabeth, et al.
(författare)
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The Swedish version of the Haemophilia Activity List.
- 2011
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Ingår i: Haemophilia : the official journal of the World Federation of Hemophilia. - : Wiley. - 1365-2516. ; 17:4, s. 662-8
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Tidskriftsartikel (refereegranskat)abstract
- There has been increasing interest in the patient's perspective on outcome of treatment. The Haemophilia Activity List (HAL) has been developed as a disease-specific questionnaire for haemophilia patients and is a validated self-report measure of function developed according to WHO's International Classification of Functioning, Disability and Health. To validate HAL in Sweden. The Dutch and English versions of HAL were translated into Swedish using 'the forward-backward translation' method and merged into a final Swedish version. Validation was performed against the Swedish version of the questionnaires Arthritis Impact Measurement 2 (AIMS 2) and Impact on Participation and Autonomy (IPA). Two hundred and twenty-five patients with severe and moderate forms of haemophilia A and B from three centres were invited to participate in the study. Spearman's rank correlation test was used for validation, and internal consistency of the HAL was calculated with Cronbach's alpha. Eighty-four patients (39%) (18-80 years old) filled out the questionnaires. The internal consistency of the Swedish version of HAL was high, with Cronbach's alpha being 0.98-0.71. Function of the legs had the highest consistency and transportation had the lowest. The correlation was excellent between the HAL sum score and AIMS 2 physical (r = 0.84, P< 0.01), IPA autonomy indoors (r = 0.83, P < 0.01) and autonomy outdoors (r = 0.89, P < 0.01). The Swedish version of HAL has both internal consistency and convergent validity and may complement other functional tests to gather information on the patient's self-perceived ability.
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- Lövdahl, Susanna, et al.
(författare)
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A longitudinal study of family structure in Swedish persons with haemophilia
- 2014
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Ingår i: Haemophilia. - : Wiley. - 1351-8216 .- 1365-2516. ; 20:4, s. 493-499
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Tidskriftsartikel (refereegranskat)abstract
- Haemophilia is an X-linked inherited rare bleeding disorder affecting mainly men. The treatment consists of replacement therapy that has been associated with severe side effects, such as blood transmitted viral infections, but has markedly improved over the last decades. The aim of this study was to study family structure over time among Swedish persons with haemophilia (PWH), focusing on children, siblings and marital status. PWH A or B were identified from the haemophilia centres and the national Patient Registry. Each PWH was compared to five age- and gender-matched controls. The national Multi-Generation Registry was used to identify children and siblings. A total of 1365 children with a father suffering from haemophilia A or B and 1938 siblings of the PWH were identified. Having one or more children was significantly less common (P=0.003) for PWH than for controls. Significantly lower rates of having a child were also found for the subgroups of persons suffering from severe haemophilia and those infected with HIV (P<0.001). A higher proportion of PWH, with or without HIV and/or viral hepatitis had siblings compared to the controls (P<0.001). However, the mean number of siblings was significantly lower for persons with severe haemophilia (P=0.001). The number of marriages and divorces did not differ between PWH and controls. Our data indicate a negative impact of HIV and viral hepatitis on family structure for PWH despite the relatively good access to treatment in Sweden over the last few decades. This was particularly true for those with a severe form of haemophilia.
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- Lövdahl, Susanna, et al.
(författare)
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Incidence, mortality rates and causes of deaths in haemophilia patients in Sweden.
- 2013
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Ingår i: Haemophilia. - : Wiley. - 1351-8216. ; 19:3, s. 362-369
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Tidskriftsartikel (refereegranskat)abstract
- Sweden has been a pioneer in the treatment of haemophilia, with the first concentrate available in the 1950s. Treatment has improved over the years to its current state-of-the art. The aim of the current study was to evaluate the long-term outcome of haemophilia in terms of incidence, morbidity and mortality. Patients diagnosed with haemophilia A or B registered at the national haemophilia centres and/or the Patient Registry and born before 2009 and alive in 1968 were enrolled and linked to the Cause of Death-, Migration- and Medical Birth registries. Five age- and sex-matched controls were selected for each patient. A total of 1431 patients with haemophilia A or B were compared with 7150 controls. The 3-year moving average incidence rate per 100 000 population varied between 21 and 36. The hazard ratio for all-cause mortality compared with controls was 2.2, 95% CI: [1.8; 2.7], P < 0.001 for the entire group of patients and 1.7, 95% CI: [1.3; 2.2], P < 0.001 when patients with HIV and/or viral hepatitis were excluded. The corresponding figures for the severe haemophilia subgroup were 6.6, 95% CI: [4.5; 10.0], P < 0.001 and 8.2, 95% CI [3.2; 20.8], P < 0.001 respectively. The most common causes of death were related to malignancies and the haemostatic defect. People with haemophilia were 57% less likely to die from ischaemic heart disease than controls. People with haemophilia in Sweden demonstrate higher mortality over time, independent of HIV and viral hepatitis, despite relatively advantageous access to clotting factor concentrates.
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- Osooli, M, et al.
(författare)
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Comparative burden of arthropathy in mild haemophilia : a register-based study in Sweden
- 2017
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Ingår i: Haemophilia. - : Wiley. - 1351-8216. ; 23:2, s. E79-E86
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Tidskriftsartikel (refereegranskat)abstract
- INTRODUCTION: Mild haemophilia is a congenital bleeding disorder affecting males. The burden of arthropathy in mild haemophilia has not been comprehensively described.AIM: The aim of this study was to compare the incidence, age at diagnosis and surgery for arthropathy and related hospitalizations between people with mild haemophilia and the general population in Sweden.METHODS: This was a register-based cohort study. Eligible participants were those with mild haemophilia born between 1941 and 2008 and a randomly selected, birthdate and sex-matched comparison group from the general population. Follow-up was from birth (or earliest 1984) until death, emigration or end of the study in 2008. Data on arthropathy were obtained from a national patient register. Negative binomial and competing risk regression and Kaplan-Meier estimate curves were used in the analysis.RESULTS: Overall, 315 people with haemophilia and 1529 people in the comparison group were included. Participants with haemophilia born between 1984 and 2008 had a ninefold (95% CI: 3.3-27.2) and 16-fold (95% CI: 6.7-36.5) increased incidence of arthropathy-related hospital admission and arthropathy diagnosis respectively. None in this cohort underwent surgery. Among participants with haemophilia born prior to 1984, the rates of arthropathy diagnosis and surgery of the index joints (knee, elbow, ankle) were increased twofold (95% CI: 1.0-3.2) and fivefold (95% CI: 1.7-17.8) respectively.CONCLUSION: Our data suggested a higher burden of arthropathy among individuals with mild haemophilia compared to the general population. Further research should investigate the need for targeted joint screening programmes among individuals with mild haemophilia.
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- Osooli, M, et al.
(författare)
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The association between health utility and joint status among people with severe haemophilia A : findings from the KAPPA register
- 2017
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Ingår i: Haemophilia. - : Wiley. - 1351-8216. ; 23:3, s. E180-E187
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Tidskriftsartikel (refereegranskat)abstract
- INTRODUCTION: People with severe haemophilia A have reportedly impaired health related quality of life (utility) mainly due to recurrent bleeding, arthropathy and treatment burden.AIM: To estimate utilities and evaluate their potential correlates - most importantly the joint status - among people with severe haemophilia A.METHODS: In this cross-sectional study, eligible participants had severe haemophilia A, were aged ≥15, negative for factor VIII inhibitor and included in the KAPPA register of Denmark, Norway and Sweden. Data on demographics, treatment history, haemophilia joint health score, and EQ-5D utility were obtained from the register. We used box plots to present utilities and joint status and ordinary least squares regression to evaluate correlates of utilities. Participants were consecutively enrolled in the KAPPA register between April 2013 and June 2016.RESULTS: Overall, 173 participants with median age of 34 (interquartile range: 25-45) were included. Twelve (6.9%) participants were on episodic treatment while 161 (93.1%) were treated using prophylaxis. Concomitant diseases and positive inhibitor history were reported for 73 (43.2%) and 21 (12.1%) participants, respectively. The highest median utility (1.0) was observed among those aged <29 on prophylaxis and those aged 30-44 who had started prophylaxis by age 3. In the multi-variable regression, joint scores of 16-25 (Coef. -0.18, 95% CI: -0.30, -0.06), 26-35 (Coef. -0.21, 95% CI: -0.36, -0.06) and >35 (Coef. -0.37, 95% CI: -0.52, -0.23) were associated with lower utilities.CONCLUSION: Moderate to severe joint manifestations are associated with reduced utilities among persons with severe haemophilia A.
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- Radulovic, Vladimir, 1969, et al.
(författare)
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Heparin and Protamine Titration Does Not Improve Haemostasis after Cardiac Surgery: A Prospective Randomized Study
- 2015
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Ingår i: Plos One. - : Public Library of Science (PLoS). - 1932-6203. ; 10:7
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Tidskriftsartikel (refereegranskat)abstract
- Background Bleeding complications are common in cardiac surgery. Perioperative handling of heparin and protamine may influence the haemostasis. We hypothesized that heparin and protamine dosing based on individual titration curves would improve haemostasis in comparison to standard dosing. Sixty patients scheduled for first time elective coronary artery bypass grafting or valve surgery were included in a prospective randomized study. The patients were randomized to heparin and protamine dosing with Hepcon HMS Plus device or to standard weight and activated clotting time (ACT) based dosing. Blood samples were collected before and 10 minutes, 2 hours and 4 hours after cardiopulmonary bypass. Primary endpoint was endogenous thrombin potential in plasma 2 hours after surgery as assessed by calibrated automated thrombography. Secondary endpoints included total heparin and protamine doses, whole blood clot formation (thromboelastometry) and post-operative bleeding volume and transfusions. Heparin effect was assessed by measuring anti-Xa activity. Endogenous thrombin potential and clot formation deteriorated in both groups after surgery without statistically significant intergroup difference. There were no significant differences between the groups in total heparin and protamine doses, heparin effect, or postoperative bleeding and transfusions at any time point. Significant inverse correlations between anti-Xa activity and endogenous thrombin potential were observed 10 min (r = -0.43, p = 0.001), 2 hours (r = -0.66, p<0.001) and 4 hours after surgery (r = -0.58, p<0.001). In conclusion, the results suggest that perioperative heparin and protamine dosing based on individual titration curves does not improve haemostasis after cardiac surgery. Postoperative thrombin generation capacity correlates to residual heparin effect.
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| 26. |
- Romlin, Birgitta S, et al.
(författare)
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Platelet count and function in paediatric cardiac surgery: a prospective observational study.
- 2014
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Ingår i: British journal of anaesthesia. - : Elsevier BV. - 1471-6771 .- 0007-0912. ; 113:5, s. 847-854
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Tidskriftsartikel (refereegranskat)abstract
- Platelet deficiency, impaired platelet function, or both increase the risk of bleeding complications. We assessed platelet count and function during and after paediatric cardiac surgery. Secondary aims included the effect of modified ultrafiltration, identification of factors associated with platelet dysfunction, and to assess associations between platelet function and transfusion requirements.
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| 27. |
- Steen Carlsson, Katarina, et al.
(författare)
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Pain, depression and anxiety in people with haemophilia from three Nordic countries: Cross-sectional survey data from the MIND study
- 2022
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Ingår i: Haemophilia. - : Wiley. - 1351-8216 .- 1365-2516. ; 28:4, s. 557-567
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Tidskriftsartikel (refereegranskat)abstract
- Introduction People with haemophilia (PwH) may experience symptoms of haemophilia-related pain, depression or anxiety, which can negatively impact health-related quality of life. Aim To obtain the perspective of PwH and treaters from Sweden, Finland and Denmark on the management of haemophilia-related pain, depression and anxiety using cross-sectional survey data from the MIND study (NCT03276130). Methods PwH or their caregivers completed a survey about experiences of pain, depression and anxiety related to haemophilia, and the standard EQ-5D-5L instrument. Five investigators at haemophilia treatment centres (HTC) were sent a complementary survey containing questions about the management of pain and depression/anxiety. Results There were 343 PwH (mild: 103; moderate: 53; severe: 180; seven lacking severity information) and 71 caregiver responses. Experience of pain in the last 6 months was reported by 50% of PwH respondents and 46% of caregiver respondents. Anxiety/depression was reported by 28% of PwH respondents. Reporting of pain and anxiety/depression was associated with disease severity. Whilst 62% of PwH who had experienced pain at any time point (n = 242) felt this was adequately addressed and treated at their HTC, only 24% of those who had experienced depression/anxiety (n = 127) felt this was adequately addressed. Disease severity was negatively associated with EQ-5D-5L utility value (p < .001). In the HTC survey, 4/5 and 2/5 agreed that pain and depression/anxiety, respectively, are adequately addressed. Conclusions Pain and depression/anxiety occur more frequently with increasing haemophilia severity, with negative impacts on health-related quality of life. PwH with depression/anxiety or unaddressed pain could benefit from improved management strategies.
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- Stener-Victorin, Elisabet, 1964, et al.
(författare)
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Effects of acupuncture and exercise on insulin sensitivity, adipose tissue characteristics, and markers of coagulation and fibrinolysis in women with polycystic ovary syndrome: secondary analyses of a randomized controlled trial.
- 2012
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Ingår i: Fertility and Sterility. - : Elsevier BV. - 0015-0282 .- 1556-5653. ; 97:2, s. 501-508
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Tidskriftsartikel (refereegranskat)abstract
- Objective: To investigate the possible effects of low-frequency electro-acupuncture (EA) and physical exercise on markers of coagulation and fibrinolysis, insulin sensitivity, and adipose tissue characteristics in women with PCOS. Design: Secondary analyses of a prospective, randomized controlled clinical trial. ClinicalTrials.gov (identifier NCT00484705) Settings: Department of Physiology and Department of Obstetrics and Gynecology, Universtiy of Gothenburg. Patients/Interventions: Eighty-four women with PCOS were randomized to sixteen weeks of low-frequency EA (14 treatments), physical exercise (at least 3 times/week) or no intervention. Main outcome measures: Anthropometrics, circulating coagulation and fibrinolytic markers, insulin sensitivity (euglycemic hyperinsulinemic clamp), hemodynamics, and adipose tissue morphology/function recorded at baseline, after 16 weeks of intervention, and after a 16 week follow-up. Results: In the low-frequency EA group, circulating plasminogen activator inhibitor (PAI-1) activity decreased by 21.8% after 16 weeks of intervention and by 31.1% at the 16 week follow-up and differed from the physical exercise and the no-intervention groups. The EA group had decreases in circulating fibrinogen and t-PA, sagittal diameter, and diastolic blood pressure after treatment, and fibrinogen remained lower at the 16-week follow-up. In the physical exercise group, lipoprotein lipase activity increased and diastolic blood pressure decreased after treatment, and both diastolic and systolic blood pressure were lower at follow-up. No other variables were affected. Conclusions: Low-frequency EA counteracted a possible prothrombotic state in women with PCOS, as reflected by a decrease in PAI-1 activity. Despite within-group improvements, there were no between-group differences in anthropometric, metabolic, or hemodynamic variables after 16 weeks of EA or physical exercise at the dose/intensity studied.
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