期刊
AMERICAN JOURNAL OF SPORTS MEDICINE
卷 38, 期 10, 页码 2034-2039出版社
SAGE PUBLICATIONS INC
DOI: 10.1177/0363546510370198
关键词
bone bruise; ACL reconstruction; rehabilitation; limited range of motion
Background: Impaired postoperative range of motion remains one of the most frequent complications after anterior cruciate ligament reconstruction. Purpose: This study was undertaken to determine the preoperative factors associated with prolonged range of motion deficit after anterior cruciate ligament reconstruction. Study Design: Cohort study; Level of evidence, 3. Methods: Between January 2007 and March 2008, a consecutive series of 217 patients underwent anterior cruciate ligament reconstruction and were reviewed at 6 weeks and 3 months after surgery. In this series, all data of patients who required a further surgery for arthrolysis until December 2009 were studied. Goniometric range of motion measurement was performed the day before surgery and at 6 weeks and 3 months postoperatively. Bone contusions were analyzed on preoperative magnetic resonance imaging (MRI). All MRI scans were performed in the 6 months before surgery. Seven potential risk factors-age, sex, limited preoperative range of motion, meniscal lesions, bone contusion(s), operative delay less than 45 days, and rehabilitation-were assessed using univariate analysis. The correlations between the significant factors previously identified were analyzed further using multivariate logistic regression analysis. Results: Limited preoperative range of motion (P < .001), typical bone contusions of the lateral compartment (P < .001), operative delay less than 45 days (P = .003), and female sex (P = .049) were found to be significantly correlated with delayed recovery. The limited preoperative mobility and the presence of typical contusions were strongly correlated (P < .001). In the group of patients who underwent surgery within 45 days, delayed recovery was strongly correlated with limited preoperative mobility (P = .0008) and to the presence of typical contusions (P < .001). Arthrolysis was correlated with delayed range of motion (odds ratio [OR], 8.2; 95% confidence interval [CI], 1.9-50; P = .001) and bone bruise (OR, 7.6; 95% CI, 1.7-46.1; P = .002). Conclusion: Preoperative limited range of motion and typical bone bruises of the lateral femoral condyle and tibial plateau are major risk factors for a difficult rehabilitation after anterior cruciate ligament reconstruction.
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