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Sökning: WFRF:(Edman Gunnar)

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1.
  • Domeij Arverud, Erika, et al. (författare)
  • Intermittent pneumatic compression reduces the risk of deep vein thrombosis during post-operative lower limb immobilisation : : a prospective randomised trial of acute ruptures of the Achilles tendon.
  • 2015
  • Ingår i: Bone and Joint Journal. - Stockholm : Karolinska Institutet, Dept of Molecular Medicine and Surgery. - 2049-4394.
  • Tidskriftsartikel (refereegranskat)abstract
    • Deep vein thrombosis is a common complication when immobilising the lower limb after surgery. We hypothesised that adjuvant intermittent pneumatic compression (IPC) during post-operative outpatient immobilisation of the lower limb could reduce the incidence of deep vein thrombosis (DVT). A total of 150 patients with acute Achilles tendon rupture were randomised to either treatment with IPC for six hours daily (n = 74) under an orthosis or treatment as usual (n = 74) in a plaster cast. At two weeks post-operatively the incidence of DVT was assessed using compression duplex ultrasound (CDU) by two ultrasonographers blinded to treatment. After the IPC intervention had ended, all patients were immobilised in the orthosis for another four weeks and a second CDU was performed. Trial registration: www.clinicaltrials.gov; NCT01317160. At two weeks the DVT rate was 21% in the IPC group and 38% in the control group (OR = 2.36; 95% CI 1.11 to 5.01). Age > 39 years was found to be a strong risk factor for DVT (OR = 4.84; 95% CI 2.14 to 10.96). Treatment with IPC corrected for age reduced the risk significantly (OR = 0.36; 95% CI 0.16 to 0.80). At six weeks, however, the frequency of DVT was 49% in the IPC group and 51% in the control group (OR = 0.94; 95% CI 0.49 to 1.83). IPC seems to be an effective method of reducing the risk of early DVT in leg-immobilised outpatients. A high risk of DVT during prolonged immobilisation warrants further study.
2.
  • Ackermann, Paul, et al. (författare)
  • Reduced time to surgery improves patient-reported outcome after achilles tendon rupture.
  • 2018
  • Ingår i: The American Journal of Sports Medicine. - Stockholm : Karolinska Institutet, Dept of Molecular Medicine and Surgery. - 0363-5465. ; 2934.
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Patient outcome after an acute Achilles tendon rupture (ATR) continues to be suboptimal and heterogeneous. Thus, prognostic factors are called for to optimize evidence-based ATR treatment protocols, however, the influence of delayed time from injury to surgery (TTS) on patient outcome after ATR remains largely unknown. Purpose: To determine whether patient outcomes and adverse events after surgical repair of acute ATR are related to delayed TTS. Study Design: Cohort study; Level of evidence, 3. Methods: Two hundred and twenty-eight ATR patients treated with uniform anesthetic and surgical techniques, within 10 days after injury, were retrospectively assessed. TTS depended on a free slot in the operating theatre and neither surgeon nor patient could affect TTS. Patients were assigned into three groups according to trichotomized TTS; short- (<48hours), intermediate- (48-72hours) and long TTS (>72hours). Patient-reported outcome at one-year was assessed using the validated Achilles tendon Total Rupture Score, with scores>80 on a 0- to 100-point scale indicating an overall good outcome. The incidences of adverse events (peri- and postoperative) and deep venous thrombosis were assessed. Results: Shorter TTS was significantly associated with increased rate of good outcome and reduced risk of adverse events. Seventy-one percent (95% CI, 60%-83%) of the patients with short TTS attained a good outcome compared to 44% (95% CI, 33%-56%) of the patients 3 with long TTS (p=.002), and with the intermediate TTS group in between (63%, 95% CI, 47%-78%). The incidence of adverse events was significantly reduced among patients with short TTS 1.4% (95% CI, 1%-4%) as compared to those with intermediate TTS 11% (95% CI, 2%-21%) (p=.035) and to patients with long TTS 14.8% (95% CI, 7%-23%) (p=.003). The risk of sustaining a deep venous thrombosis was not statistically significant different among the three groups (p=.15). Conclusion: Patients with acute ATR operated on within 48 hours after injury yielded better outcomes and a lower number of adverse events compared to patients operated on after 72 hours. These results conform to evidence-based recommendations from other surgical disciplines and should be used as guidelines for optimizing ATR treatment protocols.
3.
  • Alim, Md Abdul, et al. (författare)
  • Achilles tendon rupture healing is enhanced by intermittent pneumatic compression upregulating collagen type I synthesis
  • 2018
  • Ingår i: Knee Surgery, Sports Traumatology, Arthroscopy. - 0942-2056 .- 1433-7347. ; 26:7, s. 2021-2029
  • Tidskriftsartikel (refereegranskat)abstract
    • <p><strong>PURPOSE AND HYPOTHESIS:</strong> Adjuvant intermittent pneumatic compression (IPC) during leg immobilization following Achilles tendon rupture (ATR) has been shown to reduce the risk of deep venous thrombosis. The purpose of this study was to investigate whether IPC can also promote tendon healing.</p><p><strong>METHODS:</strong> One hundred and fifty patients with surgical repair of acute ATR were post-operatively leg immobilized and prospectively randomized. Patients were allocated for 2 weeks of either adjuvant IPC treatment (n = 74) or treatment-as-usual (n = 74) in a plaster cast without IPC. The IPC group received 6 h daily bilateral calf IPC applied under an orthosis on the injured side. At 2 weeks post-operatively, tendon healing was assessed using microdialysis followed by enzymatic quantification of tendon callus production, procollagen type I (PINP) and type III (PIIINP) N-terminal propeptide, and total protein content. 14 IPC and 19 cast patients (control group) consented to undergo microdialysis. During weeks 3-6, all subjects were leg-immobilized in an orthosis without IPC. At 3 and 12 months, patient-reported outcome was assessed using reliable questionnaires (ATRS and EQ-5D). At 12 months, functional outcome was measured using the validated heel-rise test.</p><p><strong>RESULTS:</strong> At 2 weeks post-rupture, the IPC-treated patients exhibited 69% higher levels of PINP in the ruptured Achilles tendon (AT) compared to the control group (p = 0.001). Interestingly, the IPC-treated contralateral, intact AT also demonstrated 49% higher concentrations of PINP compared to the non-treated intact AT of the plaster cast group (p = 0.002). There were no adverse events observed associated with IPC. At 3 and 12 months, no significant (n.s.) differences between the two treatments were observed using patient-reported and functional outcome measures.</p><p><strong>CONCLUSIONS:</strong> Adjuvant IPC during limb immobilization in patients with ATR seems to effectively enhance the early healing response by upregulation of collagen type I synthesis, without any adverse effects. Whether prolonged IPC application during the whole immobilization period can also lead to improved long-term clinical healing response should be further investigated. The healing process during leg immobilization in patients with Achilles tendon rupture can be improved through adjuvant IPC therapy, which additionally prevents deep venous thrombosis.</p><p><strong>LEVEL OF EVIDENCE:</strong> Randomized controlled trial, Level I.</p>
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4.
  • Backlund, Lena, et al. (författare)
  • Cognitive manic symptoms associated with the P2RX7 gene in bipolar disorder.
  • 2011
  • Ingår i: Bipolar disorders. - 1399-5618. ; 13:5-6, s. 500-8
  • Tidskriftsartikel (refereegranskat)abstract
    • Objective: Several genetic loci have been suggested to be associated with bipolar disorder but results have been inconsistent. Studying associations between bipolar symptoms and candidate genes may better expose this relationship. Here we investigate the association between bipolar key symptoms and the P2RX7 gene. Methods: Key symptoms of mania were rated in two sets of medicated bipolar disorder patients (n = 171 and n = 475) at two specialized outpatient clinics for affective disorders and three regular psychiatric outpatient units in Sweden. The relationships between all manic symptoms according to DSM-IV were entered in a principal component analysis. We used a case-case model to reduce the genetic heterogeneity and tested associations between four factors related to manic symptoms and their association to four single nucleotide polymorphisms in the P2RX7 gene. Results: The combination of the cognitive symptoms, distractibility, talkativeness, and thought disorder was significantly associated with rs1718119 in the P2RX7 gene in Set 1 [odds ratio (OR) = 1.78; p = 0.011]. The association was re-tested in the second set (OR = 1.42; p = 0.009). In the total sample, the association was even stronger (OR = 1.49; p < 0.001). None of the other factors was associated with the P2RX7 gene. Within the first factor, the distractibility symptom accounted for a significant portion of the association to rs1718119 (p = 0.016). Conclusion: There is an association between specific symptoms of bipolar disorder and the P2RX7 gene. This finding may open up new approaches to elucidating the neurobiology behind bipolar symptoms.
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5.
  • Bejerot, Susanne, et al. (författare)
  • The Brief Obsessive-Compulsive Scale (BOCS): A self-report scale for OCD and obsessive-compulsive related disorders.
  • 2014
  • Ingår i: Nordic journal of psychiatry. - 1502-4725. ; 68:8, s. 549-559
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: The Brief Obsessive Compulsive Scale (BOCS), derived from the Yale-Brown Obsessive-Compulsive Scale (Y-BOCS) and the children's version (CY-BOCS), is a short self-report tool used to aid in the assessment of obsessive-compulsive symptoms and diagnosis of obsessive-compulsive disorder (OCD). It is widely used throughout child, adolescent and adult psychiatry settings in Sweden but has not been validated up to date. Aim: The aim of the current study was to examine the psychometric properties of the BOCS amongst a psychiatric outpatient population. Method: The BOCS consists of a 15-item Symptom Checklist including three items (hoarding, dysmorphophobia and self-harm) related to the DSM-5 category "Obsessive-compulsive related disorders", accompanied by a single six-item Severity Scale for obsessions and compulsions combined. It encompasses the revisions made in the Y-BOCS-II severity scale by including obsessive-compulsive free intervals, extent of avoidance and excluding the resistance item. 402 adult psychiatric outpatients with OCD, attention-deficit/hyperactivity disorder, autism spectrum disorder and other psychiatric disorders completed the BOCS. Results: Principal component factor analysis produced five subscales titled "Symmetry", "Forbidden thoughts", "Contamination", "Magical thoughts" and "Dysmorphic thoughts". The OCD group scored higher than the other diagnostic groups in all subscales (P < 0.001). Sensitivities, specificities and internal consistency for both the Symptom Checklist and the Severity Scale emerged high (Symptom Checklist: sensitivity = 85%, specificities = 62-70% Cronbach's alpha = 0.81; Severity Scale: sensitivity = 72%, specificities = 75-84%, Cronbach's alpha = 0.94). Conclusions: The BOCS has the ability to discriminate OCD from other non-OCD related psychiatric disorders. The current study provides strong support for the utility of the BOCS in the assessment of obsessive-compulsive symptoms in clinical psychiatry.
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6.
  • Daderman, Anna M., et al. (författare)
  • Flunitrazepam intake in male offenders
  • 2012
  • Ingår i: Nordic Journal of Psychiatry. - Informa Healthcare. - 1502-4725. ; 66:2, s. 131-140
  • Tidskriftsartikel (refereegranskat)abstract
    • The abuse of flunitrazepam (FZ) compounds is worldwide, and several studies have reflected on the consequences with regard to violence, aggression and criminal lifestyle of FZ users. Criminals take high doses of FZ or some other benzodiazepines to "calm down" before the planned crime. There is support from earlier studies that most likely, all benzodiazepines may increase aggression in vulnerable males. Chronic intake of high doses of FZ increases aggression in male rats. Because psychopathy involves aggression, we have examined whether psychopathy as well as any of the four facets of the Psychopathy Checklist-Revised (PCL-R) (Interpersonal, Affective, Lifestyle and Antisocial) are related to different substance use disorders, with the focus on FZ. We have also examined the relationship between each PCL-R item and FZ use. Participants were 114 male offenders aged 14-35 years, all of whom were convicted for severe, predominantly violent, offences. Substance use, including FZ, was not more common in those who scored high in psychopathy. Use of FZ was more common in offenders who scored high in Facet 4 (Antisocial) of the PCL-R (odds ratio = 4.30, 95% CI 1.86-9.94). Only one of the PCL-R items, "Criminal versatility", was significantly associated with FZ use (odds ratio = 3.7). It may be concluded that intake of FZ has a specific relationship to only one of the facets and not to psychopathy per se. The findings have also important theoretical implications because Facet 4 is not a key factor of the construct of psychopathy. Clinical implications of the article: We have used the new two-factor and four-facet theoretical model of psychopathy in the young offender population, many of them with one or more substance use disorders. The present results suggest that antisocial behavior defined by Facet 4 (poor behavioral control, early behavior problems, juvenile delinquency, revocation of conditional release and criminal versatility) in the studied subjects is more typical for FZ users than it is for non-FZ users. This may have implications for assessment and treatment. Clinicians should be aware that criminals with high scores on Facet 4 have a more than fourfold odds of being a FZ user. This conclusion has an important clinical implication because FZ abuse is very common and is not always the focus of a forensic psychiatric assessment.
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7.
  • Domeij-Arverud, Erica, et al. (författare)
  • Ageing, deep vein thrombosis and male gender predict poor outcome after acute Achilles tendon rupture
  • 2016
  • Ingår i: Bone and Joint Journal. - Stockholm : Karolinska Institutet, Dept of Molecular Medicine and Surgery. - 2049-4394. ; B:1635–41.
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Patients with acute Achilles tendon rupture (ATR) exhibit prolonged healing, high incidence of deep venous thrombosis (DVT) and a wide variation of functional outcome. This extensive discrepancy in outcome may be explained by a lack of knowledge of detrimental factors, and subsequent shortage of adequate interventions. Methods: A total of 111 patients (84 men, 16 women; mean age 40.3±8.4) with acute total ATR were prospectively assessed. At one year post-operatively a uniform outcome score, Achilles Combined Outcome Score (ACOS), was obtained by combining three validated, independent, outcome measures: Achilles tendon Total Rupture Score, heel-rise height test, and limb symmetry heel-rise height. Candidate predictors of ACOS included; treatment, sex, age, smoking, body mass index (BMI), time to surgery, physical activity level pre- and post-injury, symptoms, quality of life and DVT-incidence. Results: Three independent variables correlated significantly with the dichotomized outcome score ACOS, while the other factors demonstrated no correlation. Low age (40 or less=0; above 40=1) was the strongest independent predictor of developing a good outcome at one year after ATR (OR= 0.20, 95 % C.I. 0.08 – 0.51), followed by female gender (Man= 1; Woman= 2) (OR= 4.18, 95 % C.I. 1.01 – 17.24). Notably, patients without a DVT (No=0, Yes=1) during post-operative immobilization experienced a better outcome (OR= 0.31, 95 % C.I. 0.12 – 0.80). Conclusion: DVT during leg immobilization, aging and male gender are independent negative predictors of outcome in patients with acute ATR. Age and gender should be further studied as to pinpoint the underlying causes leading to poor outcome. To enhance the outcome after ATR the first clinical focus should be on DVT-prevention during immobilization, possibly by usage of mechanical compression therapy and early weight bearing and mobilization.
8.
  • Hukic, Dzana Sudic, et al. (författare)
  • Cognitive Manic Symptoms in Bipolar Disorder Associated with Polymorphisms in the DAOA and COMT Genes
  • 2013
  • Ingår i: PLoS ONE. - Public Library of Science. - 1932-6203. ; 8:7
  • Tidskriftsartikel (refereegranskat)abstract
    • Introduction: Bipolar disorder is characterized by severe mood symptoms including major depressive and manic episodes. During manic episodes, many patients show cognitive dysfunction. Dopamine and glutamate are important for cognitive processing, thus the COMT and DAOA genes that modulate the expression of these neurotransmitters are of interest for studies of cognitive function. Methodology: Focusing on the most severe episode of mania, a factor was found with the combined symptoms of talkativeness, distractibility, and thought disorder, considered a cognitive manic symptoms (CMS) factor. 488 patients were genotyped, out of which 373 (76%) had talkativeness, 269 (55%) distractibility, and 372 (76%) thought disorder. 215 (44%) patients were positive for all three symptoms, thus showing CMS (Table 1). As population controls, 1,044 anonymous blood donors (ABD) were used. Case-case and case-control design models were used to investigate genetic associations between cognitive manic symptoms in bipolar 1 disorder and SNPs in the COMT and DAOA genes. Results: The finding of this study was that cognitive manic symptoms in patients with bipolar 1 disorder was associated with genetic variants in the DAOA and COMT genes. Nominal association for DAOA SNPs and COMT SNPs to cognitive symptoms factor in bipolar 1 disorder was found in both allelic (Table 2) and haplotypic (Table 3) analyses. Genotypic association analyses also supported our findings. However, only one association, when CMS patients were compared to ABD controls, survived correction for multiple testing by max (T) permutation. Data also suggested interaction between SNPs rs2391191 in DAOA and rs5993883 in COMT in the case-control model. Conclusion: Identifying genes associated with cognitive functioning has clinical implications for assessment of prognosis and progression. Our finding are consistent with other studies showing genetic associations between the COMT and DAOA genes and impaired cognition both in psychiatric disorders and in the general population.
9.
  • Nygren De Boussard, Catharina, et al. (författare)
  • S100 in mild traumatic brain injury
  • 2004
  • Ingår i: Brain Injury. - 0269-9052. ; 18:7, s. 671-83
  • Tidskriftsartikel (refereegranskat)abstract
    • PRIMARY OBJECTIVES: To examine the diagnostic value of S100 in mild traumatic brain injury (MTBI). RESEARCH DESIGN: Prospective cohort study. METHODS AND PROCEDURES: S100B, S100A1B and S100BB concentrations were examined in sera from patients with MTBI with an arrival Glasgow Coma Scale score of 15 or 14, patients with orthopaedic injuries and non-injured subjects. MAIN OUTCOME AND RESULTS: Mean values and proportions of subjects above cut-off limits for S100B and S100A1B were significantly higher in each trauma group than in non-injured controls, but only for S100A1B when patients with MTBI were compared with controls with orthopaedic injuries. Using a 97.5 percentile cut-off limit, the sensitivity of S100A1B for MTBI vs orthopaedic injury was 61% (95% confidence interval (CI) 49-73%), specificity 77% (95% CI 62-93%). The area under the ROC curve did not approach 0.9 for any cut off limit. CONCLUSIONS: Diagnostic validity of S100 in acute MTBI was not demonstrated. S100A1B has merits for long-term prognostic studies.
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10.
  • Westman, Jeanette, et al. (författare)
  • Outcome of a psychosocial health promotion intervention aimed at improving physical health and reducing alcohol use in patients with schizophrenia and psychotic disorders (MINT)
  • 2019
  • Ingår i: Schizophrenia Research. - Elsevier. - 0920-9964. ; 208, s. 138-144
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Life expectancy is reduced by 19 years in men and 17 in women with psychosis in Sweden, largely due to cardiovascular disease. Aim: Assess whether a psychosocial health promotion intervention improves cardiometabolic risk factors, quality of life, and severity of illness in patients with psychotic disorders more than treatment as usual. Methods: A pragmatic intervention trial testing a manual-based multi-component health promotion intervention targeting patients with psychosis. The Swedish intervention was adapted from IMPaCT therapy, a health-promotion program based on motivational interviewing and cognitive behavioral therapy, designed to be incorporated into routine care. The intervention group consisted of 119 patients and the control group of 570 patients from specialized psychosis departments. Outcome variables were assessed 6 months before intervention during the run-in period, again at the start of intervention, and 12 months after the intervention began. The control group received treatment as usual. Results: The intervention had no significant effect on any of the outcome variables. However, BMI, waist circumference, systolic BP, heart rate, HbA1c, general health, and Clinical Global Impressions Scale score improved significantly during the run-in period before the start of the active intervention (observer effect). The multi-component design meant that treatment effects could only be calculated for the intervention as a whole. Conclusion: The results of the intervention are similar to those of the U.K. IMPaCT study, in which the modular health-promotion intervention had little effect on cardiovascular risk indicators. However, in the current study, the run-in period had a positive effect on cardiometabolic risk factors.
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