scholarly journals Left ventricular outflow tract obstruction due to systolic anterior motion of the anterior mitral leaflet in patients with concentric left ventricular hypertrophy.

Circulation ◽  
1978 ◽  
Vol 57 (3) ◽  
pp. 527-533 ◽  
Author(s):  
B J Maron ◽  
J S Gottdiener ◽  
W C Roberts ◽  
W L Henry ◽  
D D Savage ◽  
...  
Keyword(s):  
Left Ventricular Hypertrophy ◽  
Ventricular Hypertrophy ◽  
Left Ventricular Outflow Tract ◽  
Ventricular Outflow Tract ◽  
Left Ventricular ◽  
Systolic Anterior Motion ◽  
Mitral Leaflet ◽  
Anterior Mitral Leaflet ◽  
Concentric Left Ventricular Hypertrophy ◽  
Left Ventricular Outflow

scholarly journals Predicting Left Ventricular Outflow Tract Obstruction Despite Anterior Mitral Leaflet Resection

2018 ◽  
Vol 11 (9) ◽  
pp. 1356-1359 ◽  
Author(s):  
Jaffar M. Khan ◽  
Toby Rogers ◽  
Vasilis C. Babaliaros ◽  
Melissa Fusari ◽  
Adam B. Greenbaum ◽  
...  
Keyword(s):  
Left Ventricular Outflow Tract ◽  
Ventricular Outflow Tract ◽  
Left Ventricular ◽  
Outflow Tract ◽  
Mitral Leaflet ◽  
Anterior Mitral Leaflet ◽  
Ventricular Outflow Tract Obstruction ◽  
Left Ventricular Outflow

scholarly journals Muscular Mitral Chord Contribution to Left Ventricular Outflow Tract Obstruction in HOCM

2019 ◽  
Vol 08 (01) ◽  
pp. e18-e19
Author(s):  
Olayinka Ogunmuyiwa ◽  
Philipp Rellecke ◽  
Artur Lichtenberg ◽  
Alexander Assmann
Keyword(s):  
Papillary Muscle ◽  
Ventricular Outflow Tract ◽  
Hypertrophic Obstructive Cardiomyopathy ◽  
Left Ventricular ◽  
Outflow Tract ◽  
Systolic Anterior Motion ◽  
Mitral Leaflet ◽  
Anterior Mitral Leaflet ◽  
Septal Myectomy ◽  
Left Ventricular Outflow

AbstractPapillary muscle anomaly with a muscular chord directly attached to the anterior mitral leaflet is a rare mitral valve disease. A 62-year-old man with systolic anterior motion of the anterior mitral leaflet and hypertrophic obstructive cardiomyopathy presented to surgical intervention after unsuccessful transcoronary ablation of septal hypertrophy with alcohol. Intraoperative findings revealed a primarily not detected anomalous muscular mitral chord (0.8 × 2.2 cm) connecting the base of the A1 segment to the anterolateral papillary muscle. Resection of this chord and additional septal myectomy treated systolic anterior motion and obstruction of the outflow tract. In spite of the infrequent occurrence, anomalies of the subvalvular apparatus, such as muscular chords, should be ruled out by thorough transesophageal echocardiography imaging before decision on the therapeutical strategy.

scholarly journals Focused cardiac echocardiography in beach-chair position surgery: A case study

2019 ◽  
Vol 47 (4) ◽  
pp. 385-388
Author(s):  
Paul F Soeding ◽  
Amelia Steel ◽  
James Wong ◽  
Gregory A Hoy
Keyword(s):  
Left Ventricular Hypertrophy ◽  
Ventricular Hypertrophy ◽  
Left Ventricular Outflow Tract ◽  
Ventricular Outflow Tract ◽  
Left Ventricular ◽  
Cardiac Ultrasound ◽  
Focused Cardiac Ultrasound ◽  
Beach Chair Position ◽  
Left Ventricular Outflow ◽  
Beach Chair

The haemodynamic response to the beach-chair position may be affected by the presence of left ventricular hypertrophy where remodelling of cardiac chambers can potentially lead to left ventricular outflow tract obstruction. We present a case report of severe hypotension in the beach-chair position, where focused cardiac ultrasound identified left ventricular hypertrophy and geometric features that contributed to the hypotensive response. This case illustrates that focused cardiac ultrasound has the potential to alert the clinician preoperatively to left ventricular outflow tract obstruction susceptibility during surgery in the beach-chair position, and intraoperatively to direct management should sudden decreases in blood pressure occur.

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