Concomitant idiopathic hypertrophic subaortic stenosis and disseminated myocardial bridging is an uncommon clinical entity with poor prognosis. We describe a symptomatic 19-year-old girl who had myocardial debridging and transaortic and transmitral extended septal myectomy in the same surgical session. An early and simultaneous surgical approach may prevent sudden cardiac death in these high-risk patients.
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Longitudinal valvotomy of anterior leaflet for endoscopic transmitral myectomy for hypertrophic obstructive cardiomyopathy.
Multimed Man Cardiothorac Surg
August 2024
Department of Cardiovascular Surgery, Japanese Red Cross Nagoya First Hospital, Nagoya, Japan.
Article Synopsis
- Transmitral myectomy for hypertrophic obstructive cardiomyopathy can be performed through minimally invasive approaches, providing an alternative to traditional surgery methods.
- A new technique involves a longitudinal incision in the midline of the anterior mitral leaflet, allowing for septal myectomy while maintaining easier surgical access.
- This method simplifies the procedure by avoiding the need for detaching the anterior leaflet and eliminates the use of patch materials, which can compromise the durability of the leaflets.
Anomalous papillary muscle insertion into the mitral valve leaflet in hypertrophic obstructive cardiomyopathy: a lip nevus sign in echocardiography.
Front Cardiovasc Med
December 2023
Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, Guangdong, China.
Background: Anomalous papillary muscle (APM) insertion into the mitral valve leaflet is rare but clinically important in hypertrophic obstructive cardiomyopathy (HOCM). In this study, we report the detection rate of APM insertion into the mitral valve using preoperative imaging modalities and the surgical outcomes of the patients.
Methods: By retrospectively reviewing the clinical records of patients with HOCM who underwent surgical treatment by a single operation group at our center from January 2020 to June 2023, patients with APM insertion into the mitral valve leaflet were identified.
Robotic endoscopic transmitral septal myectomy and concomitant mitral valve repair for hypertrophic obstructive cardiomyopathy.
Multimed Man Cardiothorac Surg
June 2023
Department of Surgery, Section of Cardiac Surgery, The University of Chicago 5841S Maryland Avenue, Chicago, Illinois 60637, USA.
Hypertrophic obstructive cardiomyopathy is a disease of the heart in which the patient develops left ventricular outflow tract obstruction due to the interaction of the mitral valve and the intraventricular septum. Although septal myectomy remains the gold standard treatment for hypertrophic obstructive cardiomyopathy, several other approaches have been described in the literature, such as a transaortic, transapical or transmitral approach via a sternotomy. All of these approaches have been shown to produce reliable reduction in left ventricular outflow tract gradients.
View Article and Find Full Text PDFIn this video tutorial, we demonstrate that minimally invasive cardiac surgery and all its benefits can be applied even to complex, multiple cardiac procedures. We present a 71-year-old patient with severely obstructive hypertrophic cardiomyopathy, moderate mitral regurgitation for systolic anterior motion of the mitral valve, moderate aortic stenosis and regurgitation and atrial fibrillation. We performed a mitroaortic valve replacement, transmitral and transaortic septal myectomy and left atrial appendage closure through a minimally invasive approach (right anterolateral minithoracotomy).
View Article and Find Full Text PDFThoracoscopic trans-mitral myectomy for hypertrophic obstructive cardiomyopathy: a retrospective single-centre study.
Eur J Cardiothorac Surg
April 2023
Department of Cardiovascular Surgery, Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Guangzhou, China.
Objectives: Transaortic myectomy is a common procedure for patients with hypertrophic obstructive cardiomyopathy. Thoracoscopic trans-mitral myectomy has been described in a few small-sample studies and has been recommended as preferable. We herein report our clinical outcomes using the thoracoscopic trans-mitral approach with 76 patients.
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