Key result
The Commando procedure in 5 pediatric patients resulted in no early or late deaths, no pacemaker implantations, and no reoperations during follow-up.
Why the study?
The Commando procedure is technically challenging and traditionally carries high mortality, but its role in pediatric patients requires evaluation.
Does the Commando procedure improve outcomes in pediatric patients with combined left ventricular inflow and outflow obstruction?
Case Report (n=5)
Does the Commando procedure improve outcomes in pediatric patients with combined left ventricular inflow and outflow obstruction?
The Commando procedure can be performed safely in pediatric patients with combined left ventricular inflow and outflow obstruction, providing excellent hemodynamics without mortality or need for reoperation in this small series.
Hypothesis-generating in small pediatric series; larger prospective studies needed to assess durability.
Objective: The Commando procedure involves division of the intervalvular fibrous body, mitral valve replacement, and aortic valve replacement. It is considered a technically challenging procedure and traditionally has had high mortality. Methods: Five pediatric patients with combined left ventricular inflow and outflow obstruction were included in this study. Results: There were no early or late deaths during follow-up, and no pacemakers were implanted. None of the patients required reoperation during follow-up, and none developed a clinically significant gradient across the mitral valve or aortic valve. Conclusions: The risks of this operation for patients with congenital heart disease undergoing multiple redo operations should be weighed against the benefits of normal-size mitral and aortic annular diameters and dramatically improved hemodynamics.
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Kinami et al. (2023) conducted a case report in combined left ventricular inflow and outflow obstruction (n=5). Commando procedure was evaluated on early or late deaths, pacemaker implantation, reoperation, and clinically significant gradient. The Commando procedure in 5 pediatric patients resulted in no early or late deaths, no pacemaker implantations, and no reoperations during follow-up.
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