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A retrospective analysis of the incidence of severe adverse events among recipients of chiropractic spinal manipulative therapy

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Structural and chiropractic

Sci Rep.2023 Jan 23;13(1):1254.

Authors:

E C Chu, R J T L Y Lee, I K Niazi

Abstract.

This study examined the incidence and severity of adverse events (AEs) of patients receiving chiropractic spinal manipulative therapy (SMT), with the hypothesis that < 1 per 100,000 SMT sessions results in a grade ≥ 3 (severe) AE. A secondary objective was to examine independent predictors of grade ≥ 3 AEs. We identified patients with SMT-related AEs from January 2017 through August 2022 across 30 chiropractic clinics in Hong Kong. AE data were extracted from a complaint log, including solicited patient surveys, complaints, and clinician reports, and corroborated by medical records. AEs were independently graded 1-5 based on severity (1-mild, 2-moderate, 3-severe, 4-life-threatening, 5-death). Among 960,140 SMT sessions for 54,846 patients, 39 AEs were identified, two were grade 3, both of which were rib fractures occurring in women age > 60 with osteoporosis, while none were grade ≥ 4, yielding an incidence of grade ≥ 3 AEs of 0.21 per 100,000 SMT sessions (95% CI 0.00, 0.56 per 100,000). There were no AEs related to stroke or cauda equina syndrome. The sample size was insufficient to identify predictors of grade ≥ 3 AEs using multiple logistic regression. In this study, severe SMT-related AEs were reassuringly very rare.

Publication Date: 

2023 Jan

OEID: 

6295

Chu, CE., Lee, YLTJ., Niazi, KI. (2023) 'A retrospective analysis of the incidence of severe adverse events among recipients of chiropractic spinal manipulative therapy', Sci Rep.2023 Jan 23;13(1):1254.

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