Abstract
Acute stroke and transient ischemic attack (TIA) is a great burden not only during hospitalization but also after hospital discharge. The objective of this meta-analysis was to evaluate the hospital readmissions, causes and risk factors after survival of acute stroke and TIA. Pubmed, Web of Science, Cochrane Library, OVID and EMBASE databases were searched to identify studies reporting hospital readmissions after acute stroke and TIA. The primary outcomes were hospital readmission rates during 30 days and 1 year after discharge. The primary causes and risk factors of hospital readmissions were also identified. Ten studies with 253,680 patients were eligible for inclusion. The pooled 30-day and 1-year hospital readmission rates were 17.4% (95% CI, 12.7-23.5%) and 42.5% (95% CI, 34.1-51.3%), respectively. The three major causes of 30-day hospital readmissions were infection (19.9%), coronary artery disease (CAD) (17.8%) and recurrent stroke (16.0%) successively, while the three major causes were recurrent stroke (19.4%), infection (19.3%) and CAD (16.3%) during 1 year's follow-up. There were more patients with CAD in readmits group than that in control group (p=0.030). The length of index admission, defined as any eligible admission to an acute care hospital assessed in the measure for the outcome, was longer (p=0.000) and admission National Institutes of Health Stroke Score (NIHSS) was higher (p=0.002) in readmits group than these in control group. In conclusion, there is high risk of early and long-term hospital readmissions after survival of acute stroke and TIA. These patients with coronary artery disease, longer length of index admission and higher NIHSS deserve deep attention after hospital discharge.
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