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Sleep Disturbance in Patients With Lumbar Spinal Stenosis: Association With Disability and Quality of Life.

Abstract：

STUDY DESIGN:This was a cross-sectional cohort study. OBJECTIVE:The objective of this study was to identify the prevalence of sleep disturbance in patients with symptomatic lumbar spinal stenosis (LSS) and to establish the relationship between sleep disturbance and both functional disability and health-related quality of life in patients with symptomatic LSS. SUMMARY OF BACKGROUND DATA:Despite the possible association between LSS and poor sleep quality, there has been no study regarding the relationship between LSS and sleep disturbance. MATERIALS AND METHODS:A total of 148 patients with LSS were divided into the poor sleeper and nonpoor sleeper groups according to Global Pittsburgh Sleep Quality Index (PSQI) score. Demographic data, Visual Analog Scale (VAS) score for back and leg pain, Oswestry Disability Index (ODI), and EuroQol 5-dimension questionnaire (EQ-5D) were compared between both groups. Multiple regression analysis was performed with ODI or ODI without sleep component as the dependent variable and age, sex, PSQI, VAS for back pain, VAS for leg pain as independent variables. RESULTS:Of the 148 patients who participated in this study, 54 (36.5%) and 94 (63.5%) patients were classified into nonpoor sleeper and poor sleeper groups. Although there were no differences in demographic data or VAS for back or leg pain between the nonpoor sleeper and poor sleeper groups, poor sleepers demonstrated significantly higher ODI scores, and lower EQ-5D than nonpoor sleepers (P=0.003 and 0.004, respectively). There were significant correlations between the global PSQI score and both the ODI score and EQ-5D. Although the surgical treatment group showed significantly higher VAS for back pain, VAS for leg pain, ODI scores, and lower EQ-5D than the conservative treatment group, the ratio of poor to nonpoor sleepers was not different between both groups (P=0.733). In the surgical treatment group, the percent of poor sleeper decreased from 65.1% to 47.6% 6 months after surgery (P<0.001). CONCLUSIONS:The present study demonstrated that 'poor sleep quality' is a prevalent condition (63.5%) in patients with symptomatic LSS. Poor sleep quality has an adverse effect on functional disability and health-related quality of life in symptomatic LSS patients.

journal_name

Clin Spine Surg

journal_title

Clinical spine surgery

authors

Lee NK,Jeon SW,Heo YW,Shen F,Kim HJ,Yoon IY,Chang BS,Lee CK,Chun HJ,Yeom JS

doi

10.1097/BSD.0000000000000944

subject

Has Abstract

pub_date

2020-05-01 00:00:00

pages

E185-E190

issue

eissn

2380-0186

issn

2380-0194

journal_volume

pub_type

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Sleep Disturbance in Patients With Lumbar Spinal Stenosis: Association With Disability and Quality of Life.