Background Rotator cuff tears are common in upper limb sports injuries, and its main treatment is arthroscopic repair. However, some patients experience postoperative retear due to various factors, and there are few relevant studies in analysis of the risk factors for its occurrence.
Objective To investigate the risk factors for retears after rotator cuff repair, so as to take targeted prevention and treatment measures.
Methods Clinical data about 135 patients who underwent primary rotator cuff repair in the Affiliated Hospital of Southwest Medical University from October 2016 to May 2019 were retrospectively analyzed, and patients were followed up at 2, 4, 8 and 12 weeks after operation. The patients were divided into control group and case group according to whether they had postoperative rotator cuff retear. Univariate and logistic regression were used to analyze the influence factors of rotator cuff retear.
Results A total of 135 patients were included in the study, including 87 males and 48 females, with a mean age of (56.54 ± 8.73) years and a mean follow-up time of (3.98 ± 2.15) months, and 29 patients developed rotator cuff re-tear after rotator cuff repair. Multivariate logistic regression analysis showed that diabetes mellitus (OR=11.363, 95% CI : 2.841-45.455), hyperlipidemia (OR=4.761, 95% CI: 1.351-16.949), tear length ≥ 4 cm (OR=5.351, 95% CI: 1.420-19.891), preoperative duration ≥ 1 year (OR=14.002, 95% CI: 3.648-53.744), and age ≥ 60 years (OR=7.648, 95% CI: 1.881-31.100) were independent factors for re-tears after rotator cuff repair (all P<0.05).
Conclusion Patients with diabetes history, hyperlipidemia, tear length ≥ 4 cm, preoperative disease duration ≥ 1 year, and age ≥ 60 years have a higher risk of re-tear after rotator cuff repair, and it is important to take effectiveprevention and treatment measures for the above risk factors in clinical practice to reduce the occurrence of retear of rotator cuff after surgery.
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