Left ventricular outflow tract obstruction by thickened anterior mitral valve leaflet in a patient with tetralogy of Fallot

2020 ◽  
Vol 14 (6) ◽  
pp. e113-e114
Author(s):  
Mumun Sinha ◽  
Niraj Nirmal Pandey ◽  
Arun Sharma ◽  
Nitin Parashar ◽  
Rengarajan Rajagopal ◽  
...  
Keyword(s):  
Mitral Valve ◽  
Tetralogy Of Fallot ◽  
Left Ventricular Outflow Tract ◽  
Ventricular Outflow Tract ◽  
Left Ventricular ◽  
Outflow Tract ◽  
Valve Leaflet ◽  
Mitral Valve Leaflet ◽  
Ventricular Outflow Tract Obstruction ◽  
Left Ventricular Outflow

scholarly journals Accessory Mitral Valve Leaflet Causing Severe Left Ventricular Outflow Tract Obstruction in a Preterm Neonate with a Partial Atrioventricular Septal Defect

2016 ◽  
Vol 43 (6) ◽  
pp. 543-545
Author(s):  
J. Kevin Wilkes ◽  
Charles D. Fraser ◽  
Thomas J. Seery
Keyword(s):  
Septal Defect ◽  
Left Ventricular Outflow Tract ◽  
Ventricular Outflow Tract ◽  
Atrioventricular Septal Defect ◽  
Left Ventricular ◽  
Outflow Tract ◽  
Valve Leaflet ◽  
Mitral Valve Leaflet ◽  
Ventricular Outflow Tract Obstruction ◽  
Left Ventricular Outflow

Atrioventricular septal defects represent a class of congenital cardiac malformations that vary in presentation and management strategy depending upon the severity of the particular lesions present. We present the case of a premature neonate who had a partial atrioventricular septal defect and an accessory mitral (or left atrioventricular) valve leaflet. The latter caused severe left ventricular outflow tract obstruction and severely depressed left ventricular function. We found only one other report of this atrioventricular valve abnormality in association with atrioventricular septal defect. To our knowledge, our patient (at a body weight of 1,800 g) is the smallest to survive corrective surgery of an accessory mitral valve leaflet with severe left ventricular outflow tract obstruction. In addition to our patient's case, we discuss the relevant medical literature.

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