AI Article Synopsis
- The study explores the effects of pelvic obliquity (PO) after total hip arthroplasty (THA) on clinical outcomes, comparing patients with less than 2° of PO (NT group) to those with 2° or more (O group).
- Results showed that the O group had significantly lower postoperative hip function scores and larger preoperative PO and poorer lumbar flexibility.
- The research identifies younger age, larger preoperative PO, and decreased lumbar mobility as key risk factors for residual PO after surgery.
Article Abstract
Purpose: It is not uncommon for patients with hip disorders to present with pelvic obliquity (PO), and residual PO after total hip arthroplasty (THA) may not only affect hip joint function but also cause adjacent intervertebral joint disorders. This study aimed to investigate the postoperative PO impact on clinical outcomes and risk factors by comparing patients who had PO after THA to those who did not.
Methods: A single-center, retrospective cohort study was conducted. A total of 103 patients who underwent THA were included in this study from 2018 to 2020. Demographics, functional outcomes, and spinopelvic parameters were compared between post-THA PO of less than 2° (NT group, 55 patients) and PO of 2° or more (O group, 48 patients). Multivariate analysis was performed using factors with significant differences in univariate analysis.
Results: Postoperative Harris Hip Score Activity was significantly lower in the T group than in the NT group (p = 0.031). Preoperative PO was smaller in the NT group than in the T group (p = 0.001). Preoperative lumbar bending range (LBR) was significantly more flexible in the NT group than in the T group. In the logistic regression analysis, Age (odds ratio 0.957, 95% CI 0.923-0.993, p = 0.020), preoperative PO (odds ratio 1.490, 95% CI 1.100-2.020, p = 0.001), and LBR (odds ratio 0.848, 95% CI 0.756-0.951, p = 0.005) were found to be significant factors.
Conclusion: Younger age and large preoperative PO, and poor lumbar spine mobility were identified as risk factors for residual postoperative PO.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11377654 | PMC |
| http://dx.doi.org/10.1007/s00590-024-04060-z | DOI Listing |
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