International journal of rehabilitation research. Internationale Zeitschrift für Rehabilitationsforschung. Revue internationale de recherches de réadaptation
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Observational Study
Cross-cultural adaptation and psychometric properties of an Arabic version of the Shoulder Pain and Disability Index.
The aim of the present study was to translate, culturally adapt, and validate the Arabic version of the shoulder Pain and Disability Index (SPADI). This was an observational reliability and validity study. We recruited 64 patients with shoulder pain and dysfunction with a wide variety of diagnoses. ⋯ The translated version of SPADI in the Arabic language showed excellent internal consistency and test-retest reliability. Validity was shown by substantial correlations between SPADI and Quick DASH, NRS, and active shoulder ROM. The Arabic SPADI is recommended for the evaluation of patients with shoulder dysfunction.
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The purpose of this study was to examine the reliability of pressure pain threshold (PPT) and pain tolerance assessment in the finger over three testing days. PPT was assessed in the middle finger at the mid-point between the proximal and distal interphalangel joints in 49 college-aged men on three occasions (day 1, day 2, day 3) each separated by 48 h. The pressure evoking PPT was subsequently applied for up to 120 s to assess pain tolerance, whereas pain intensity was rated every 15 s. ⋯ Ratings of pressure pain intensity rose over time during the 120 s test (P≤0.002) and were reduced on testing day 3 compared with day 1 (P=0.029). Our results suggest the use of least one familiarization session would lead to significantly improved day-to-day reliability of PPT assessment in the finger. In addition, the application of the force eliciting PPT was a poor discriminator of pain tolerance because of the fact the majority of participants (146 out of 147 sessions) could tolerate the stimulus for the entire 120 s.
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Clinical Trial
Long-term effects of automated mechanical peripheral stimulation on gait patterns of patients with Parkinson's disease.
New treatments based on peripheral stimulation of the sensory-motor system have been inspiring new rehabilitation approaches in Parkinson's disease (PD), especially to reduce gait impairment, levodopa washout effects, and the incidence of falls. The aim of this study was to evaluate the change in gait and the clinical status of PD patients after six sessions of a treatment based on automated mechanical peripheral stimulation (AMPS). Eighteen patients with PD and 15 age-matched healthy individuals (control group) participated in this study. ⋯ These results are consistent with the improvements measured with clinical scales. These findings indicate that AMPS treatment seems to generate a more stable walking pattern in PD patients, reducing the well-known gait impairment that is typical of PD; regular repetition every 4 days of AMPS treatment appears to be able to improve gait parameters, to restore rhythmicity, and to reduce the risk of falls, with benefits maintained up to 10 days after the last treatment. The trial was registered online at ClinicalTrials.gov (number identifier: NCT0181528).
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Peripheral nerve pathology in patients with severely affected complex regional pain syndrome type I.
Complex regional pain syndrome type I (CRPS-I) is a chronic pain syndrome with no clinical evidence of nerve injury; however, recently, changes in muscle tissue have been found in case of CRPS-I. Our aim was to search for histological changes in peripheral nerves of amputated limbs from patients with therapy-resistant CRPS-I that could justify muscle tissue changes. Fifteen patients with CRPS-I (duration >1 year) were included. ⋯ The morphometric results of the other nerves are more difficult to interpret because of the absence of good-quality control data from the literature. However, the percentages of nerve fibers greater than 12 μm seem to lie within the normal range. Besides the known pathology of thin nerve fibers innervating the skin or blood vessels in CRPS-I, this study also shows pathological changes more proximal in the nerves, especially in the sural nerve.
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The aim of this study was to validate the Tampa Scale of Kinesiophobia for Parkinson's disease (TSK-PD). This was a cross-sectional evaluation of the psychometric properties of an adapted questionnaire. The psychometric testing included confirmatory factor analysis, reliability by internal consistency (Cronbach's α) and test-retest reliability (intraclass correlation coefficient), construct validity by comparing TSK-PD with the Falls Efficacy Scale-International (FES-I), the Movement Disorder Society - Unified Parkinson's Disease Rating Scale (MDS-UPDRS), the Hospital Anxiety and Depression Score (HADS) and the Short-Form Health Survey (SF-36) (Pearson's correlations), and sensitivity to change by calculating the smallest detectable change. ⋯ The smallest detectable change was 11. The TSK-PD had a good factorial structure and satisfactory psychometric properties. Its use is recommended for clinical and research purposes.