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Medicine (Baltimore). 2019 Oct;98(42):e17235. doi: 10.1097/MD.0000000000017235.

Poststroke depression and risk of recurrent stroke: A meta-analysis of prospective studies.

Author information

1
Department of Basic Medical College.
2
Department of Academic Affairs Office, Hebei College of Traditional Chinese Medicine, Shijiazhuang.
3
Department of Basic Medical College, Heilongjiang University of Traditional Chinese Medicine, Haerbin.
4
Department of Hall of TCM Doctors, Hebei College of Traditional Chinese Medicine, Shijiazhuang, China.

Abstract

BACKGROUND:

Conflicting results have been reported on the association of poststroke depression with recurrent stroke events. This meta-analysis of prospective studies aims to evaluate whether poststroke depression is an independent predictor of stroke recurrence among stroke patients.

METHODS:

A systematic search of articles in PubMed and Embase databases from their inception to October 2018 was conducted. Prospective studies reporting risk estimates of stroke recurrence by depression status in stroke patients were included and pooled risk ratio (RR) with 95% confidence intervals (CIs) of stroke recurrence was calculated for patients with or without poststroke depression.

RESULTS:

Six studies with 4648 stroke patients were finally included, and the prevalence of poststroke depression was found to from 15.9% to 40.5%. The pooled adjusted RR for stroke recurrence in patients suffering from poststroke depression was 1.48 (1.22-1.79) in a fixed-effect model. Subgroup analyses indicated that poststroke depression significantly increased stroke recurrence (RR 1.64; 95% CI, 1.28-2.10) among ischemic stroke patients but not in total stroke patients (RR 1.28; 95% CI, 0.96-1.73).

CONCLUSIONS:

This meta-analysis suggests that poststroke depression may be an independent predictor of stroke recurrence among ischemic stroke patients. Further studies are required to investigate whether treatment of poststroke depression can reduce the risk of stroke recurrence.

PMID:
31626084
PMCID:
PMC6824697
DOI:
10.1097/MD.0000000000017235
[Indexed for MEDLINE]
Free PMC Article

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