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  • Title: Arterial duct stent versus surgical shunt for patients with duct-dependent pulmonary circulation: a meta-analysis.
    Author: Li D, Zhou X, Li M.
    Journal: BMC Cardiovasc Disord; 2021 Jan 06; 21(1):9. PubMed ID: 33407150.
    Abstract:
    BACKGROUND: Both systemic-pulmonary shunt and arterial duct stent could be the palliation of duct-dependent pulmonary circulation. We aimed to compare the safety and efficacy of the two approaches. METHODS: The PubMed, EMBASE, and Cochrane Library databases were searched through December 2019 for studies comparing stent implantation and surgical shunt in duct-dependent pulmonary circulation. The baseline characteristics included ventricle physiology and cardiac anomaly. The main outcomes were hospital stay and total mortality. Additional outcomes included procedural complications, intensive care unit (ICU) stay, pulmonary artery growth at follow-up, and other indexes. A random- or fixed-effects model was used to summarize the estimates of the mean difference (MD)/risk ratio (RR) with 95% confidence intervals (CIs). RESULTS: In total, 757 patients with duct-dependent pulmonary circulation from six studies were included. Pooled estimates of hospital stay (MD, - 4.83; 95% CI - 7.92 to - 1.74; p < 0.05), total mortality (RR 0.44; 95% CI 0.28-0.70; p < 0.05), complications (RR 0.49; 95% CI 0.30-0.81; p < 0.05) and ICU stay (MD, - 4.00; 95% CI - 5.96 to - 2.04; p < 0.05) favored the stent group. Significant differences were found in the proportions of patients with a single ventricle (RR 0.82; 95% CI 0.68-0.98; p < 0.05) or a double ventricle (RR 1.23; 95% CI 1.07-1.41; p < 0.05) between the stent and shunt groups. Additionally, pulmonary artery growth showed no significant differences between the two groups. CONCLUSION: Arterial duct stent appears to have not inferior outcomes of procedural complications, mortality, hospital and ICU stay, and pulmonary artery growth in selected patients compared with a surgical shunt. TRIAL REGISTRATION: CRD42019147672.
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