Related Experiment Videos
Congenital subaortic stenosis by accessory mitral valve tissue, recognition and management
1Clinic for Cardiovascular Surgery, University Hospital, Zurich, Switzerland.
Insights
Accessory mitral valve tissue can rarely cause left ventricular outflow tract obstruction in otherwise normal hearts. This case report details the surgical approach for this rare cardiac malformation.
Area of Science:
- Cardiology
- Cardiac Surgery
- Congenital Heart Disease
Background:
- Left ventricular outflow tract obstruction (LVOTO) is a critical condition.
- Accessory mitral valve tissue is an exceedingly rare cause of LVOTO.
- Normally connected hearts typically do not present with this specific malformation.
Observation:
- A rare case of LVOTO solely caused by accessory mitral valve tissue was identified.
- The patient had a normally connected heart.
- The specific surgical technique employed was documented.
Findings:
- Accessory mitral valve tissue was confirmed as the singular etiology of LVOTO.
- Successful surgical intervention was performed.
- A comprehensive literature review on this rare condition was conducted.
Implications:
- This case expands the understanding of rare cardiac malformations.
- It highlights a specific surgical strategy for managing accessory mitral valve tissue causing LVOTO.
- Further research into the embryology and surgical management of such anomalies is warranted.
Abstract:
Accessory mitral valve tissue as the single cause for left ventricular outflow tract obstruction is a very rare cardiac malformation in normally connected hearts. We report a case in which this condition was present as single cause for left ventricular outflow tract obstruction. The surgical technique is described and a review of the literature presented.