Browsing Han Publications by Author "Haren, I.E.P.M. van"

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Predicting readiness for return to sport and performance after anterior cruciate ligament reconstruction rehabilitation.
Haren, I.E.P.M. van ; Cingel, R.E.H. van ; Verbeek, A.L.M. ; Melick, N. van ; Stubbe, J.H. ; Bloo, H. ; Groenewoud, J.H.M.M. ; Wees, P.J. van der ; Staal, J.B.
2022, Article / Letter to editor (Annals of Physical and Rehabilitation Medicine, vol. 66, iss. 3, (2022), pp. 101689)BACKGROUND: Determining readiness to return to sport after anterior cruciate ligament (ACL) reconstruction is challenging. OBJECTIVES: To develop models to predict initial (directly after rehabilitation) and sustainable (one year after rehabilitation) return to sport and performance in individuals after ACL reconstruction. METHODS: We conducted a multicentre, prospective cohort study and included 208 participants. Potential predictors - demographics, pain, effusion, knee extension, muscle strength tests, jump tasks and three sport-specific questionnaires - were measured at the end of rehabilitation and 12 months post discharge from rehabilitation. Four prediction models were developed using backward logistic regression. All models were internally validated by bootstrapping. RESULTS: All 4 models shared 3 predictors: the participant's goal to return to their pre-injury level of sport, the participant's psychological readiness and ACL injury on the non-dominant leg. Another predictor for initial return to sport was no knee valgus, and, for sustainable return to sport, the single-leg side hop. Bootstrapping shrinkage factor was between 0.91 and 0.95, therefore the models' properties were similar before and after internal validation. The areas under the curve of the models ranged from 0.74 to 0.86. Nagelkerke's R2 varied from 0.23 to 0.43 and the Hosmer-Lemeshow test results varied from 2.7 (p = 0.95) to 8.2 (p = 0.41). CONCLUSION: Initial and sustainable return to sport and performance after anterior cruciate ligament reconstruction rehabilitation can be easily predicted by the sport goal formulated by the individual, the individual's psychological readiness, and whether the affected leg is the dominant or non-dominant leg.
Physical exercise prior to hematopoietic stem cell transplantation: A feasibility study.
Haren, I.E.P.M. van ; Staal, J.B. ; Potting, C.M. ; Atsma, F. ; Hoogeboom, T.J. ; Blijlevens, N.M.A. ; Nijhuis-van der Sanden, M.W.G.
2018, Article / Letter to editor (Physiotherapy Theory and Practice, vol. 16, (2018), pp. 1-10)
Physical exercise prior to hematopoietic stem cell transplantation: A feasibility study.
Haren, I.E.P.M. van ; Staal, J.B. ; Potting, C.M. ; Atsma, F. ; Hoogeboom, T.J. ; Blijlevens, N.M.A. ; -van der Sanden, M.W.G. Nijhuis
2018, Article / Letter to editor (Physiotherapy Theory and Practice, vol. 34, iss. 10, (2018), pp. 747-756)PURPOSE: This study explores the feasibility and preliminary effectiveness of an exercise program in people scheduled for hematopoietic stem cell transplantation (HSCT). METHODS: In this controlled clinical trial, we compare pre-transplantation exercise to no exercise in the waiting period for an allogeneic of autologous HSCT. The supervised individually tailored exercise program (4-6 weeks) consisted of aerobic endurance, muscle strength, and relaxation exercises, administered twice a week in the period prior to HSCT. Feasibility was determined based on inclusion rate, attrition rate, adherence to intervention, safety, and satisfaction (0-10). Preliminary effectiveness was determined primarily by self-perceived physical functioning, quality of life (QOL), and fatigue. Secondary outcomes were global perceived effect (GPE), blood counts, hospital stay, and physical fitness. RESULTS: Forty-six patients were eligible, of whom 29 (69%) participated: 14 in the intervention group and 15 in the control group. The adherence rate to training was 69%. No adverse events or injuries occurred. Satisfaction of training conditions was high (mean 9.2 ±1.3). Positive (follow-up) trends in favor of the intervention group were found for self-perceived physical functioning, QOL, fatigue, GPE, blood counts, and hospital stay. CONCLUSION: Exercise prior to HSCT is safe and feasible, and positive trends suggest favorable preliminary effectiveness. Adherence to the exercise program needs to be optimized in a future trial.
Physical exercise for patients undergoing hematopoietic stem cell transplantation: systematic review and meta-analyses of randomized controlled trials.
Haren, I.E.P.M. van ; Timmerman, H. ; Potting, C.M. ; Blijlevens, N.M.A. ; Staal, J.B. ; -van der Sanden, M.W.G. Nijhuis
2013, Article / Letter to editor (Physical Therapy, vol. 93, iss. 4, (2013), pp. 514-528)BACKGROUND: The treatment-related burden for patients undergoing hematopoietic stem cell transplantation (HSCT) may be relieved by physical exercises. PURPOSE: The purpose of this study was to summarize and analyze the evidence provided by randomized controlled trials (RCTs) on physical exercise interventions among patients with cancer undergoing HSCT. DATA SOURCES: PubMed, CINAHL, EMBASE, the Cochrane Library, and PEDro were searched for relevant RCTs up to October 1, 2011. STUDY SELECTION: Two reviewers screened articles on inclusion criteria and indentified relevant RCTs. DATA EXTRACTION: Two authors assessed the selected articles for risk of bias. Data extraction was performed by 1 reviewer. Meta-analyses were undertaken to estimate the outcomes quality of life (QOL), psychological well-being and distress, and fatigue. DATA SYNTHESIS: Eleven studies were included, with study populations consisting of recipients undergoing either an allogeneic or autologous HSCT (n=734). Four studies had low risk of bias. The exercise interventions were performed before, during, and after hospitalization for the HSCT. Different exercise programs on endurance, resistance and/or activities of daily living training, progressive relaxation, and stretching were used. Meta-analyses showed that exercise during hospitalization led to a higher QOL (weighted mean difference=8.72, 95% confidence interval=3.13, 14.31) and less fatigue (standardized mean difference=0.53, 95% confidence interval=0.16, 0.91) in patients with an allogeneic HSCT at the moment of discharge from the hospital. No marked effects were found for psychological well-being and distress. Individual study results suggested significant positive effects on QOL, fatigue, psychological well-being and distress, and physical functioning. LIMITATIONS: Prevalent shortcomings in the included studies were the heterogeneity among studies and the lack of blinding of participants, personnel, and outcome assessment. CONCLUSIONS: The results suggest that recipients of HSCT may benefit from physical exercise.

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