Key result
Among 46 patients undergoing aortic valve replacement for a small aortic root, overall mortality was 6.52% (3 deaths), all of which occurred in patients receiving 19 mm valves.
Why the study?
What are the operative implications of replacing the aortic valve with a mechanical prosthesis in patients with a small aortic root?
Observational (n=46)
No
What are the operative implications of replacing the aortic valve with a mechanical prosthesis in patients with a small aortic root?
The paper aims to assess the operative implications, such as patient-prosthesis mismatch and persistent heart failure, when replacing a small aortic valve (≤21 mm) with a mechanical prosthesis.
Small aortic root signals high operative risk with undersized mechanical valves; Level 5 data leaves optimal enlargement strategies open for prospective trials.
Replacement of the aortic valve with a mechanical prosthesis when the annular diameter is small, meaning 21 mm or less, can present significant hemodynamic and technical problems, including patient-prosthesis mismatch and persistent heart failure. The aim of this paper is to assess the operative implications of the small aortic root during surgery.
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Lucuta et al. (2012) conducted an observational in Small aortic root requiring aortic valve replacement (n=46). Aortic valve replacement with 19 mm or 21 mm valves was evaluated on Mortality. Among 46 patients undergoing aortic valve replacement for a small aortic root, overall mortality was 6.52% (3 deaths), all of which occurred in patients receiving 19 mm valves.
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