ArticleMedicine2020
Discrimination between pain and contracture in limited passive motion patients with rotator cuff tear: A STROBE-compliant cross-sectional study.
Article in Medicine, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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5 authors at 1 institution in 1 country.
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Abstract
Either pain or contracture may limit shoulder passive range of motion (PROM) in patients with rotator cuff disease, and an appropriate treatment may be determined according to its cause. If there is no change in PROM under general anesthesia, contracture, rather than pain, may be the underlying condition. Our goal was to devise a physical examination that would help discriminate between pain and contracture in limited PROM patients with rotator cuff tear.This is a STROBE-compliant cross-sectional study. Patients with rotator cuff tears (N = 28) were scheduled for arthroscopic repair. The main outcome measure was PROM, including flexion, external rotation (ER), and abduction obtained by a blinded examiner before and after the induction of general anesthesia, and the abduction/ER ratio was calculated. In order to perform a subgroup analysis, patients were divided into 2 groups, one where abduction difference after the general anesthesia was 8°≤ (n = 22) and the other 8°> (n = 6).Patients' average age (62.6 ± 7.2 years), symptom duration (13.0 ± 10.0 months), intensity of shoulder pain on a visual analog scale (4.8 ± 2.1), and Constant-Murley functional score (63.4 ± 8.9); the ratio of gender (male: female = 12:16); and the arthroscopic findings were recorded. According to the correlation analysis, the abduction/ER ratio before general anesthesia was correlated best with the change in PROM after general anesthesia (correlation coefficient -0.74, P < .001); the correlations for abduction and flexion were -0.69 and -0.57, respectively (P < .001 and .002, respectively). The age, gender, height, weight, duration of symptoms, trauma history, visual analog score for shoulder pain, Constant-Murley functional score, size of rotator cuff tear, and biceps pathology did not differ significantly between the 2 groups in the subgroup analysis (P > .05). The only significant difference between the 2 groups was in the synovitis status (P = .04).Patients with greater abduction/ER ratio before anesthesia exhibited fewer PROM changes after anesthesia. The abduction/ER ratio was strongly and inversely correlated with PROM changes, allowing physicians to choose an appropriate treatment for limited PROM in patients with rotator cuff tears.
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