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OBJECTIVE: The primary aim of this study was to investigate the immediate and delayed effects of kinesiotape (KT) on postural control and patient-reported outcome measures under challenging conditions in individuals with anterior cruciate ligament reconstructions. METHODS: Thirty-two anterior cruciate ligament-reconstructed patients for whom 6 months had passed since their operation were randomly assigned to either the KT (n = 16, aged 21.8 [5.5] y) or the placebo KT (n = 16, aged 24.0 [5.1] y) groups. Initially, both groups stood barefoot on a force platform while performing postural tasks in 4 randomized conditions (eyes open, eyes closed, cognitive task, and foam). Before the experiment, patients would bring the 4 conditions, which were written on folded papers, one by one, and in this way, the order of conditions for the examiners was determined. The patients' evaluations were conducted immediately and 48 hours after KT application. Postural control measures, with area and displacement of the center of pressure (CoP) in anterior-posterior and medial-lateral directions, and mean total velocity displacement of CoP (MVELO CoP) served as dependent variables. In addition, the International Knee Documentation Committee score was measured pretreatment and 48 hours posttreatment. RESULTS: Significant group-by-time interactions were observed for displacement of COP in medial-lateral direction (P = .002) and MVELO CoP (P = .034). MVELO CoP significantly decreased (mean difference = 0.60, P = .009) immediately after KT application compared with preapplication measures. In the placebo group, a statistically significant decrease in MVELO CoP (mean difference = 0.869, P = .001) was observed at 48 hours post-KT compared with preapplication values. International Knee Documentation Committee scores significantly improved at 48 hours post-KT application in both groups (P < .05). CONCLUSIONS: Though observed at different time points, both KT (immediately after the intervention) and placebo KT (48 h after the intervention) were found to improve postural control measures. It appears that the changes in postural control may be more related to proprioceptive enhancement due to KT rather than the specific KT pattern.
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BACKGROUND: Evidence suggests variation in pathophysiology is less relevant to musculoskeletal illness than variation in mental health factors. For diseases such as rotator cuff tendinopathy, attention may be placed on aspects of tendon thinning and suture techniques when studies show that variations in muscle quality and defect size have limited association with comfort and capability compared with variations in thoughts and feelings regarding symptoms. Using rotator cuff tendinopathy as an example, we studied the degree to which research addresses relatively minor degrees of variation in pathophysiology and relatively minor differences in treatments to better understand the relative emphasis on pathophysiology. We asked the following questions: What factors are associated with relative pathophysiology severity in comparative therapeutic studies of musculoskeletal conditions? What factors are associated with relative differences in interventions in comparative therapeutic studies of musculoskeletal conditions? METHODS: We systematically reviewed clinical trials of patients with rotator cuff tendinopathy for the relative severity of pathophysiology (low, moderate, or high) and variation in interventions (minimal, moderate, or large). An example of a relatively minor variation in rotator cuff tendon pathophysiology is bursal- vs. articular-sided thinning of the tendon. An example of a relatively minor variation in treatment is single- vs. double-row defect closure. RESULTS: Most studies of rotator cuff tendinopathy treatment addressed low (39%) or medium (50%) levels of pathophysiology. Greater relative pathology severity was independently associated with operative treatment (odds ratio, 12 [95% confidence interval, 3.2-45]; P < .001). Of 127 studies, 113 (89%) were rated as comparing treatments with minimal difference. CONCLUSION: Despite the evidence of limited variation in comfort and capability due to pathophysiological variations, a large percentage of research on rotator cuff tendinopathy addresses relatively limited severity of pathophysiology and relatively minor variations in treatment. This may be typical of musculoskeletal research and suggests a possibility of focusing, on the one hand, on more impactful interventions such as treatments that can delay or avoid rotator cuff arthropathy and, on the other hand, on management strategies that optimize accommodation of common age-related changes in the rotator cuff tendons.
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Total knee replacement (TKR) is a growing attractive treatment for a degenerative knee disease. However, there remain some certain devastating complications to be discussed with patients preoperatively, including limb amputation. This systematic review aimed to determine the rate of amputation following TKR. In this study, the literature was searched up to 2019. The papers were included in which knee amputation was reported following TKR. The primary search concluded the articles from EMBASE, SCOPUS, PubMed, Web of Science, MEDLINE, OvidSP, CINAHL, EBSCO, Web of Science™, and CENTRAL. After screening and excluding case reports, 40 papers were included in the present study. The present review showed that amputation is a real end result of knee replacements either in primary or revision knee arthroplasties, which needs to be discussed with patients for their decision-making. Prevalence of amputation in terms of failure or complications after TKR procedures was estimated between 0.1-10% in different studies , with 5.1% amputation rate in infected TKR and 0.025% amputation rate in primary TKR as a result of infection in our review. Deep infection was the main cause of amputation. Vascular complications and fractures associated with bone loss and compartment syndrome were other reasons for amputation.
