Key result
Upper ministernotomy for aortic valve reoperation linked to ~64% lower early mortality versus full sternotomy.
Why the study?
Ministernotomy is often preferred for isolated AVR, but its benefits in patients with prior cardiac surgery remain unclear.
Does minimally invasive aortic valve replacement via upper ministernotomy improve perioperative outcomes and reduce early mortality compared to full sternotomy in patients undergoing reoperative AVR?
Population
382 patients who underwent reoperative AVR
Comparison
Minimally invasive AVR via upper ministernotomy vs traditional full sternotomy
Design
Retrospective analysis with inverse probability of treatment weighting
Authors
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May support ministernotomy for reoperative AVR in experienced centers; leaves open need for prospective randomized confirmation.
Cohort (n=382)
Does minimally invasive aortic valve replacement via upper ministernotomy improve perioperative outcomes and reduce early mortality compared to full sternotomy in patients undergoing reoperative AVR?
Absolute Event Rate: 1.6% vs 4.5%
p-value: p=0.025
Minimally invasive aortic valve reoperation via upper ministernotomy is safe and associated with reduced early mortality, shorter operative times, and less acute renal failure compared to traditional full sternotomy.
Mikus et al. (2025) conducted a cohort in Isolated aortic valve replacement in reoperative cases (n=382). Minimally invasive AVR via upper ministernotomy vs. Traditional full sternotomy was evaluated on Early mortality (p=0.025). Minimally invasive aortic valve reoperation via upper ministernotomy was associated with lower early mortality compared to full sternotomy (1.6% vs. 4.5%, p=0.025).
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