Ogikubo Osamu, Forsberg Lillemor, Hansson Tommy
Department of Musculoskeletal Medicine, Nagoya City University, Graduate School of Medical Sciences 1, Nagoya City, Aichi, Japan.
Spine (Phila Pa 1976). 2007 Jun 1;32(13):1423-8; discussion 1429. doi: 10.1097/BRS.0b013e318060a5f5.
STUDY DESIGN: A cross-sectional registry and imaging cohort study. OBJECTIVES: To study the association between typical symptoms and signs of central spinal stenosis and the minimum cross-sectional area (mCSA) of the cauda equina in patients subsequently undergoing surgery. SUMMARY OF BACKGROUND DATA: Relations between mCSA and the symptoms of spinal stenosis have not been studied before. SUBJECTS AND METHODS: The preoperative walking ability, pain in the leg(s) and back, duration of symptoms and quality of life in 82 men and women subsequently operated for spinal stenosis were related to the digitally determined CSA of the single most constricted level, mCSA of their lumbar spines. RESULTS: A smaller mCSA was directly related to a shorter walking distance before claudication. A small mCSA meant more leg and back pain and a lower health-related quality of life. For those with a walking ability <100 m, the average mCSA was around 53 mm; whereas it was just <69 mm for those able to walk >500 m. The average mCSA did not differ depending on gender, age, or vertebral level. CONCLUSIONS: The mCSA was a strong predictor of the preoperative walking ability, leg and back pain, and was directly related to the quality of life of patients with central spinal stenosis.
研究设计:一项横断面登记与影像学队列研究。 目的:研究中央型椎管狭窄的典型症状和体征与随后接受手术患者马尾神经最小横截面积(mCSA)之间的关联。 背景数据总结:此前尚未研究过mCSA与椎管狭窄症状之间的关系。 研究对象与方法:82例随后接受椎管狭窄手术的男性和女性患者,其术前步行能力、腿部和背部疼痛、症状持续时间及生活质量与通过数字测定的单个最狭窄节段的横截面积、腰椎mCSA相关。 结果:较小的mCSA与跛行前较短的步行距离直接相关。较小的mCSA意味着更多的腿部和背部疼痛以及较低的健康相关生活质量。对于步行能力<100 m的患者,平均mCSA约为53平方毫米;而对于能够步行>500 m的患者,平均mCSA仅<69平方毫米。平均mCSA在性别、年龄或椎体节段方面无差异。 结论:mCSA是术前步行能力、腿部和背部疼痛的有力预测指标,且与中央型椎管狭窄患者的生活质量直接相关。
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