Abstract
A 24-year-old woman who had undergone excision of the membrane for discrete subaortic stenosis when 6 years old displayed recurrent subaortic stenosis and had a small aortic annulus, with a peak pressure gradient of 60 mmHg. We chose to perform the Konno operation with a mechanical valve. This released the left ventricular outflow tract obstruction adequately, and she recovered uneventfully with New York Heart Association functional class I. In our experience, an aggressive strategy such as myectomy is an appropriate initial procedure for preventing recurrence when the geometry of the problem may lead to recurrence in the left ventricular outflow tract. The Konno operation is a good option for recurrent subaortic stenosis with small aortic annulus.
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Kashima, I., Ueda, T., Katogi, T. et al. Recurrent discrete subaortic stenosis and small aortic annulus successfully repaired by the Konno procedure in a young woman. Jpn J Thorac Cardiovasc Surg 54, 451–453 (2006). https://doi.org/10.1007/s11748-006-0030-5
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DOI: https://doi.org/10.1007/s11748-006-0030-5