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    Jan Geertzen

    OBJECTIVE to examine psychological factors during rehabilitation of patients with Achilles or patellar tendinopathy as well as the association between psychological factors and tendinopathy severity, sport participation, and satisfaction... more
    OBJECTIVE to examine psychological factors during rehabilitation of patients with Achilles or patellar tendinopathy as well as the association between psychological factors and tendinopathy severity, sport participation, and satisfaction with activity level and tendon function. DESIGN cross-sectional study. SETTING online survey platform. PARTICIPANTS 119 patients (mean age: 44 years (SD 14)) diagnosed with Achilles or patellar tendinopathy. MAIN OUTCOME MEASURES A range of patient-reported psychological and outcome measures were recorded. Multivariate regression analyses were performed to establish the association between each psychological factor and outcome measures, adjusted for relevant confounders. RESULTS Psychological readiness and confidence to return to sports (I-PRRS) and pain catastrophizing (PCS) were significantly associated with tendinopathy severity (modified VISA), sport participation(OSTRC-O), and satisfaction. Kinesiophobia (TSK) and the importance to patients of returning to pre-injury activity level were significantly associated with sports participation and satisfaction. CONCLUSION The current study provides evidence of impairments in psychological factors during rehabilitation of patients with Achilles and patellar tendinopathy. Most investigated psychological factors were associated with tendinopathy severity, function, participation, and satisfaction. Physical therapists should recognize patients with lack of psychological readiness to return to sports and also patients with kinesiophobia or catastrophizing thoughts when experiencing pain.
    PURPOSE In persons with a hip or knee flexion contracture ≥25°, fitting a prosthesis is said to be difficult. This systematic review aims to assess the evidence for fitting of a prosthesis in persons with a severe contracture (≥25°) after... more
    PURPOSE In persons with a hip or knee flexion contracture ≥25°, fitting a prosthesis is said to be difficult. This systematic review aims to assess the evidence for fitting of a prosthesis in persons with a severe contracture (≥25°) after a lower limb amputation. METHOD PubMed, Embase, Scopus, CINAHL, and Orthotics & Prosthetics Virtual Library databases were searched from inception to December 2019, using database specific search terms related to amputation, prosthesis, and contracture. Reference lists of included studies were checked for relevant studies. Quality of the included studies was assessed using the critical appraisal checklist for case reports (Joanna Briggs Institute). RESULTS In total, 13 case studies provided evidence for fitting of a prosthesis in more than 63 persons with a transtibial amputation and three with a transfemoral amputation, all of whom had a hip or knee flexion contracture ≥25°. Some studies found a reduction in contractures after prosthesis use. CONCLUSIONS Several techniques for fitting a prosthesis in case of a flexion contracture ≥25° were found. Contracture reduction occurred in some cases and was possibly related to prosthesis use. Fitting a transtibial or transfemoral prosthesis in persons with a lower limb amputation with a severe flexion contracture is possible.IMPLICATIONS FOR REHABILITATIONThis study provides information on prosthesis prescriptions and adaptations for persons with a transfemoral and transtibial amputation with a flexion contracture ≥25°.The fitting of bent prostheses is not limited by prosthetic components and techniques.Parallel to the use of bent prostheses, it is also important to treat the contracture.
    Measurement properties of the Working Alliance Inventory (WAI) and its various translations and adaptations for specific target groups have been investigated for over 30 years. No systematic review analyzing studies on measurement... more
    Measurement properties of the Working Alliance Inventory (WAI) and its various translations and adaptations for specific target groups have been investigated for over 30 years. No systematic review analyzing studies on measurement properties of the WAI has been conducted to date. COnsensus-based Standards for the selection of health Measurements INstruments (COSMIN) were developed for conducting high-quality systematic reviews on measurement properties in a transparent and standardized way. Aim of this study was to systematically review studies on measurement properties of the WAI, and its adapted versions, within psychotherapy, and other healthcare contexts using COSMIN criteria. PsycINFO, Medline, and EMBASE were searched (1989–2021). In all phases of the review procedure, study selection, data extraction, risk of bias assessment, rating of the quality of measurement properties, and rating of the quality of evidence for measurement properties, disagreement between reviewers was re...
    Background: In previous studies, noncontact 3D scanners were found to be the most reliable in measuring volume of the residual limb after a transtibial amputation (TTA). Meanwhile newly developed noncontact scanners became available to... more
    Background: In previous studies, noncontact 3D scanners were found to be the most reliable in measuring volume of the residual limb after a transtibial amputation (TTA). Meanwhile newly developed noncontact scanners became available to measure residual limb volume after TTA but should be tested for clinical usability and reliability. Objective: To determine the clinical usability, reliability, and repeatability of noncontact scanners in measuring residual limb volume in persons with a TTA. Study design: Original research report; repeated measurements. Methods: Three noncontact scanners (Rodin4D, Omega Tracer, and Biosculptor) were used to measure the residual limb volume on two occasions by two observers in 30 persons with an unilateral or bilateral TTA. Clinical usability was assessed as scores of the Post-Study System Usability Questionnaire, participant satisfaction (0–10 scale), and time to take the measurement. Results: The usability score of the Omega Scanner 3D (123.4) and Ro...
    The aim of this study is to determine the 15 most important daily activities according to persons with lower limb amputation (LLA) and healthcare professionals. Persons with LLA (n = 125) and healthcare professionals (n = 44) filled in a... more
    The aim of this study is to determine the 15 most important daily activities according to persons with lower limb amputation (LLA) and healthcare professionals. Persons with LLA (n = 125) and healthcare professionals (n = 44) filled in a questionnaire. Participants had to select 10 items out of a list of 40 items on the domains activity and/or participation. Selection criterion was what they considered to be most important to perform independently and order the selected 10 items from most to least important. Mean rank scores of the 15 highest scored items according to participants with LLA were compared with the mean rank scores given by professionals, using the Mann–Whitney U test with a Hochberg adjustment for multiple testing. Participants with LLA rated five activities as significantly more important compared to professionals: ‘driving a car’, ‘bicycling’, ‘ascending/descending stairs’, ‘heavy exercise’, and ‘preparing meals’. Healthcare professionals rated four activities as si...
    Case presentation: A 61-year-old woman diagnosed with long standing, therapy resistant CRPS-1 fourteen years prior was referred to our center for assessment on her wish to have her limb amputated, due to recent worsening of the symptoms.... more
    Case presentation: A 61-year-old woman diagnosed with long standing, therapy resistant CRPS-1 fourteen years prior was referred to our center for assessment on her wish to have her limb amputated, due to recent worsening of the symptoms. A soft tissue lesion was detected on the affected limb and she was sent back to her primary hospital for further study of this lesion and exclusion of an alternative diagnosis. The biopsies were inconclusive, and no underlying causes were determined for her symptoms in her primary hospital. Thus, back at our center, elective amputation of the affected limb was carried out. Results: Post-operative histology of the amputated limb revealed a myxofibrosarcoma, a rare malignant tumor. Corresponding dissemination study, follow-up and treatment was conducted. The patient died from metastatic complications 17 months post-amputation. Conclusion: This case exemplifies how various confusing factors can lead to misdiagnosis of a malignant tumor. Low incidence o...
    IntroductionPhysically disabled people are less physically active compared with healthy people. Existing physical activity (PA) interventions are limited in reach, since they are primarily rehabilitation or school based. The current study... more
    IntroductionPhysically disabled people are less physically active compared with healthy people. Existing physical activity (PA) interventions are limited in reach, since they are primarily rehabilitation or school based. The current study aims to develop a community-based intervention for stimulating PA in hard-to-reach physically disabled people.Methods and analysisTo systematically develop a PA-stimulating intervention, intervention mapping (six steps) was applied. PA level and health-related quality of life of patients after rehabilitation was determined using questionnaires (step 1). Qualitative research was performed to study professionals’ and physically disabled people’s ideas about intervention objectives, determinants and design (steps 2 and 3). Since experts expressed no need for a new intervention, the existing intervention ‘Activity coach’ was adapted to the specific target population. The adapted intervention ‘Activity coach+’ composes a network of intermediate organisa...
    Search terms and number of articles found from five databases (last search done in Mar 22, 2018). (DOCX 39 kb)
    Semi-structured interview patients. Focus group interview rehabilitation professionals. (DOCX 16 kb)
    A case with an uncommon cause of unilateral hand and forearm oedema in a 37-year-old man is presented. Complex regional pain syndrome type I was diagnosed and treated with mannitol infusion, dimethyl sulfoxide, vitamin C, ketanserin and... more
    A case with an uncommon cause of unilateral hand and forearm oedema in a 37-year-old man is presented. Complex regional pain syndrome type I was diagnosed and treated with mannitol infusion, dimethyl sulfoxide, vitamin C, ketanserin and carnitine. Also, physiotherapy and occupational therapy were started. None of these treatment modalities resulted in reduction or prevention of recurrence of the oedema. All diagnostic procedures did not reveal a cause for this oedema.
    A limb amputation is a traumatic experience for the amputee but it is also a challenge for the recipient to get used to a new situation and reach her/his greatest level of independence. Two patients are presented who had undergone a total... more
    A limb amputation is a traumatic experience for the amputee but it is also a challenge for the recipient to get used to a new situation and reach her/his greatest level of independence. Two patients are presented who had undergone a total calcanectomy. In the first case, a woman with spina bifida aperta L4-L5, calcanectomy was performed to excise a non-healing ulcer and osteomyelitis of the right heel. In the second case, a woman of 72 years of age, calcanectomy was the treatment of the isolated central chondrosarcoma. Both patients were somewhat disabled prior to calcanectomy, one because of spina bifida aperta and the other because of her age. After calcanectomy both patients were able to remain independent for several years. Calcanectomy is an uncommon amputation that may provide better quality of life than other more proximal amputations such as Syme or transtibial amputation. Furthermore more proximal levels of amputation are associated with increased mortality and morbidity. W...

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