This single-arm meta-analysis included 106 studies and 4653 adults receiving temporary mechanical support for acute right ventricular failure or RV-predominant cardiogenic shock. Pooled survival to discharge was 60.4% (95% CI 56.0–64.7), with a wide prediction interval of 34.4%–81.6%; separately pooled 30-day mortality was 30.1% (95% CI 24.1–36.9). Pooled bleeding, renal complications, and stroke rates were 36.5%, 46.6%, and 14.5%, respectively. Concurrent left-sided support was reported in 85.8% of patients with available data, limiting applicability to isolated primary RV shock; these descriptive findings do not establish treatment benefit or comparative device effectiveness.
These pooled estimates describe outcomes and complication burden in selected patients receiving temporary RV support. They cannot establish benefit over alternative care or identify a superior device.
Study limitation: Heterogeneous treated cohorts, frequent concurrent left-sided support, and inclusion of 57 conference-abstract studies limit certainty and generalizability.
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