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- W2943702900 abstract "Objective Aortic root enlargement may be necessary to implant adequately sized valves to avoid patient–prosthetic mismatch. Our objective was to assess the feasibility of annular enlargement during aortic valve replacement via a right anterior minithoracotomy. Methods Twelve consecutive patients undergoing elective minimally invasive aortic valve replacement requiring annular enlargement over a 2-year period were retrospectively reviewed. A right anterior minithoracotomy was performed in all patients. Cardiopulmonary bypass and aortic crossclamp times, hospital length of stay, postoperative complications, rate of reoperation, echocardiographic data, and mortality were analyzed. Results Mean age was 66 years ± 14. Mean body mass index was 34 ± 7.8 kg/m 2 . All patients had normal preoperative ejection fractions. Indications for aortic valve replacement were severe (3/12, 25%) or critical (9/12, 75%) aortic stenosis due to degenerative aortic valve disease (10/12, 83%) and congenitally bicuspid aortic valve (2/12, 17%). Cardiopulmonary bypass and aortic crossclamp times were 144.7 ± 14.7 minutes and 111.7 ± 10.6 minutes, respectively. The median postoperative length of stay was 4 days. Peak and mean aortic valve gradients on postreplacement intraoperative transesophageal echocardiography were 14.5 ± 9.4 mmHg and 7.2 ± 4.2 mmHg, respectively, with no perivalvular leak on intraoperative or follow-up transthoracic echocardiogram. Postoperative transthoracic echocardiography had peak and mean aortic valve gradients of 12.1 ± 6.9 mmHg and 6.3 ± 3.7 mmHg, respectively. There were no postoperative mortalities. Freedom from reoperation was 100%. Conclusions Annular enlargement performed during minimally invasive aortic valve replacement is feasible. Basic minimally invasive skills are recommended prior to instituting these more advanced techniques." @default.
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- W2943702900 date "2019-04-01" @default.
- W2943702900 modified "2023-09-23" @default.
- W2943702900 title "Concomitant Annular Enlargement in Minimally Invasive Aortic Valve Replacement" @default.
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- W2943702900 doi "https://doi.org/10.1177/1556984519827685" @default.
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