Key result
The pooled incidence of poststroke shoulder pain was estimated at 29% (95% CI 0.21-0.36) and the pooled prevalence at 33% (95% CI 0.22-0.43) among stroke patients globally.
Why the study?
Poststroke shoulder pain is a common complication after stroke, but updated epidemiological data and trends over time and region were needed.
Systematic Review (n=7,197)
Answers are grounded in this paper and cite their sources.
Poststroke shoulder pain is a highly prevalent complication, affecting approximately one-third of stroke patients, with variations across geographical regions and time.
Objectives: Poststroke shoulder pain (PSSP) is a common complication after stroke. This review aimed to provide updated information on the epidemiological characteristics of PSSP, reveal their trends over time and region. Study Design and Setting: We searched the PubMed, Embase, Cochrane Library and Web of Science databases from inception until Dec 31, 2020. Data were extracted from the eligible studies, and their quality was assessed. The pooled incidence and prevalence estimates of PSSP and their 95% confidence intervals (CIs) were calculated. We analyzed the incidence and prevalence of PSSP by different geographical regions and countries and separately calculated the annual incidence and prevalence (and 95% CIs) of PSSP. Results: A total of 21 studies were eligible for the meta-analysis. Eleven cohort studies were included to analyze the incidence of PSSP, and the estimated pooled incidence in 3,496 stroke patients was 0.29 (95% CI 0.21–0.36). Ten cross-sectional studies were included to analyze the prevalence of PSSP, and the pooled prevalence in 3,701 stroke patients was 0.33 (95% CI 0.22–0.43). In addition, we found that there were significant differences in the incidence and prevalence of PSSP between different geographical regions and different countries. Additionally, the incidence of PSSP fluctuated around 30%, and the prevalence had a downward trend over time. Conclusions: Current evidence suggests that the incidence and prevalence of PSSP are high and may be influenced by geographical region and time.
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Zhang et al. (2021) conducted a systematic review in Poststroke shoulder pain (n=7,197). Stroke was evaluated on Pooled incidence of poststroke shoulder pain (95% CI 0.21-0.36, p=<0.001). The pooled incidence of poststroke shoulder pain was estimated at 29% (95% CI 0.21-0.36) and the pooled prevalence at 33% (95% CI 0.22-0.43) among stroke patients globally.
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