The Journal of cardiovascular surgery · 2019
Comparison of automated fastener device Cor-Knot versus manually-tied knot in minimally-invasive isolated aortic valve replacement surgery.
Сравнительное исследованиеСтатьяНаблюдательное исследованиеНазвание и аннотация: Перевод пока не подготовлен
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Morgant Marie-Catherine, Malapert Ghislain, Petrosyan Andranik, Pujos Charline, Jazayeri Saed, Bouchot Olivier
Аннотация
BACKGROUND: The aim of our prospective study was to evaluate the efficacy and the safety of the Cor-Knot device in isolated aortic valve replacement by right anterior minithoracotomy.
METHODS: A single-center, prospective study was conducted between September 2009 and June 2018. Four hundred and forty patients were operated on for aortic valve replacement by right anterior minithoracotomy. Of these patients, 221 underwent isolated AVR surgery with stented prosthesis. Sutures were secured using the Cor-Knot titanium fastener in 63 patients (28.5%) and knots were hand-tied in 158 (71.5%). Statistical analyses were done using a propensity score with 1:1 matching for the automatically tied (AT) and manually tied (MT) patients.
RESULTS: The aortic cross-clamping and cardiopulmonary bypass times were significantly decreased in the AT group (74±13.8 minutes vs. 90.4±23.7 minutes, P<0.0001, and 100.8±20.6 minutes vs. 117.6±33.1 minutes, P<0.0001), compared with the MT group. Clinical outcomes were similar in the two groups, whether in the analysis of non-matched or matched groups. There was no difference in 30 day-mortality (1.2% vs. 0%, P=0.37), and the stroke and transient ischemic attack rates were comparable (2.5% vs. 1.6%; P=0.67). There was no significant increase in pacemaker implantation in the AT group (1.3% vs. 0%, P=0.36), and the rate of aortic regurgitation ≥ 2 was lower (3.9% vs. 0%; P=0.11) but not statistically significant.
CONCLUSIONS: The automated Cor-Knot fastener is an easy-to-use, time-saving device which does not increase perioperative morbidity and mortality in patients undergoing aortic valve replacement by right anterior minithoracotomy.
METHODS: A single-center, prospective study was conducted between September 2009 and June 2018. Four hundred and forty patients were operated on for aortic valve replacement by right anterior minithoracotomy. Of these patients, 221 underwent isolated AVR surgery with stented prosthesis. Sutures were secured using the Cor-Knot titanium fastener in 63 patients (28.5%) and knots were hand-tied in 158 (71.5%). Statistical analyses were done using a propensity score with 1:1 matching for the automatically tied (AT) and manually tied (MT) patients.
RESULTS: The aortic cross-clamping and cardiopulmonary bypass times were significantly decreased in the AT group (74±13.8 minutes vs. 90.4±23.7 minutes, P<0.0001, and 100.8±20.6 minutes vs. 117.6±33.1 minutes, P<0.0001), compared with the MT group. Clinical outcomes were similar in the two groups, whether in the analysis of non-matched or matched groups. There was no difference in 30 day-mortality (1.2% vs. 0%, P=0.37), and the stroke and transient ischemic attack rates were comparable (2.5% vs. 1.6%; P=0.67). There was no significant increase in pacemaker implantation in the AT group (1.3% vs. 0%, P=0.36), and the rate of aortic regurgitation ≥ 2 was lower (3.9% vs. 0%; P=0.11) but not statistically significant.
CONCLUSIONS: The automated Cor-Knot fastener is an easy-to-use, time-saving device which does not increase perioperative morbidity and mortality in patients undergoing aortic valve replacement by right anterior minithoracotomy.