• Kazunori Hayashi, Toru Tanaka, Akira Sakawa, Tsuneyuki Ebara, Hidekazu Tanaka, and Hiroaki Nakamura.
• Department of Orthopedic Surgery, Osaka City Juso Hospital, Osaka, Japan.
• Medicine (Baltimore). 2022 Jun 17; 101 (24): e29388.

AbstractProspective case-control studyThis study aimed to investigate the effect of self-quarantine on the changes in low back symptoms and activities of daily living (ADL) due to low physical activity because of the COVID-19 pandemic in patients with lumbar spinal stenosis (LSS).The frequency and intensity of low back and leg pain have reportedly increased in healthy subjects because of self-quarantine.Patients with LSS who self-quarantined from baseline (SQ group) were matched to controls who did not self-quarantine (non-SQ group), based on age, sex, medication, ADL, and the numeric rating scale score for low back symptoms. The change in low back symptoms, ADL, and health-related quality of life between baseline and follow-up were compared between the groups.The SQ and non-SQ group included 80 and 60 patients, respectively. Compared with the baseline, the numeric rating scale score for low back pain at follow-up in the SQ group significantly improved (P = .004, median; 1 point), but not in the non-SQ group. No significant difference was found regarding changes in leg pain or numbness. Low back pain improvement did not lead to ADL improvement. The short form 12 evaluation revealed the role/social component score in the SQ group to be significantly lower than that in the non-SQ group; no difference was found for the physical or mental components at follow-up.Self-quarantine with conservative treatment effected short-term low back pain improvement in patients with LSS. However, no improvement in ADL was found. Self-quarantine had an unfavorable impact for health-related quality of life. The effect of self-quarantine can influence the treatment results of LSS.Copyright © 2022 the Author(s). Published by Wolters Kluwer Health, Inc.

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