Abstract
Background
Early discharge after successful primary angioplasty is common, but the evidence supporting the practice is still lacking. We therefore performed a meta-analysis assessing the safety of early discharge after primary angioplasty in low-risk patients with ST-segment elevation myocardial infarction (STEMI).
Methods
Randomised controlled trials were identified and extracted from PubMed, Embase, Cochrane Library databases and reference lists of relevant papers. Heterogeneity was analysed using the I2 test. If there was a lack of heterogeneity, fixed effects models would be used for the meta-analysis, otherwise random effects models were used. Statistical analyses were performed using Review Manager 5.3.
Results
Five randomised controlled trials involving 1575 STEMI patients met the criteria. Meta-analysis showed that the early discharge strategy group had a significantly shortened length of hospital stay compared to the conventional discharge strategy group (standardised mean difference −1.46, 95% confidence interval (CI) −2.04 to −0.88; P < 0.0001), and there was no difference in mortality and readmission rates between the two groups (risk ratio 0.78, 95% CI 0.50 to 1.22; P = 0.41).
Conclusions
The findings of this meta-analysis suggested that the early discharge strategy after successful primary angioplasty is safe among selected low-risk STEMI patients. A shorter hospital stay could benefit both the patients and the healthcare systems.
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Supplementary Material
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