Spino-Pelvic Alignment and Surgical Outcomes in Chinese Elderly With Lumbar Stenosis Syndrome: A Prospective Study

IF 2.5 Q3 GERIATRICS & GERONTOLOGY

Aging Medicine Pub Date : 2025-08-16 DOI:10.1002/agm2.70036

Chong Zhao, Linyu Jin, Yan Liang, Haiying Liu, Shuai Xu

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Abstract

Objective

This study aimed to systematically identify and quantify the acceptable spino-pelvic parameters for Chinese elderly patients with lumbar stenosis syndrome (LSS) following surgical treatment.

Method

A prospective study of 165 LSS cases from July 2018 to June 2020 evaluated spino-pelvic alignment using PI, LL, PT, and SVA, categorized by SRS-Schwab classification. Quality of life was assessed via the Oswestry disability index (ODI), and parameter thresholds were determined by AICc and ROC analysis.

Results

No significant change in radiological parameters was observed postsurgery. However, clinical outcomes improved with lower grades of PI-LL and PT. The mean threshold for PI-LL and PT at baseline was 18.8° and 26.1°, respectively. At the endpoint, PI-LL was 17.7°, and PT was 26.1°, indicating optimal ranges for surgery.

Conclusion

Spino-pelvic alignment significantly correlates with quality of life in elderly LSS patients. The study suggests that PI-LL and PT should be maintained within 17.7° and 26.1°, respectively, for optimal surgical outcomes.

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中国老年腰椎管狭窄综合征的脊柱-骨盆对准和手术结果：一项前瞻性研究

目的本研究旨在系统地确定和量化中国老年腰椎管狭窄综合征（LSS）患者手术治疗后可接受的脊柱-骨盆参数。方法对2018年7月至2020年6月165例LSS患者进行前瞻性研究，采用PI、LL、PT和SVA评估脊柱-骨盆对准，并按SRS-Schwab分类。采用Oswestry残疾指数（ODI）评估生活质量，采用AICc和ROC分析确定参数阈值。结果术后影像学指标无明显变化。然而，随着PI-LL和PT分级的降低，临床结果有所改善。基线时PI-LL和PT的平均阈值分别为18.8°和26.1°。终点PI-LL为17.7°，PT为26.1°，提示最佳手术范围。结论脊柱-骨盆对准与老年LSS患者的生活质量有显著相关性。研究表明，PI-LL和PT分别应保持在17.7°和26.1°，以获得最佳手术效果。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Aging Medicine Medicine-Geriatrics and Gerontology

CiteScore

4.10

自引率

0.00%

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