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Incidence, Predictors, and Prognostic Impact of Left Ventricular Outflow Tract Obstruction Following Transcatheter Aortic Valve Replacement. [PDF]
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Left Ventricular Outflow Tract Obstruction
NeoReviews, 2006A term female newborn presents with a prenatal diagnosis of cardiac masses on prenatal echocardiography. ### Prenatal History: ### Birth History and Presentation: The baby was delivered by elective cesarean section after rupture of membranes with clear fluid. Apgar scores were 9 at both 1 and 5 minutes.
James D. St. Louis, James Jaggers
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Left ventricular outflow tract obstruction
Seminars in Thoracic and Cardiovascular Surgery: Pediatric Cardiac Surgery Annual, 2004Left ventricular outflow tract obstruction can occur at the supravalvar, valvar, or subvalvar level. Each level of obstruction is associated with distinct symptomatology, natural history, and operative approach. Reconstructive techniques can usually be used with low operative risk and excellent immediate and longer-term outcomes.
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Left ventricular outflow tract obstruction
2009Left ventricular outflow tract obstruction (LVOTO) accounts for 5–10% of all congenital heart defects. LVOTO occurs at the valvar (70%), subvalvar (14%), and supravalvar (8%) level, and several levels of obstruction often coexist (8%) [1]. Another type of muscular subaortic stenosis, present with hypertrophic cardiomyopathy, is known as hypertrophic ...
Michael D. Tsifansky +2 more
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Left Ventricular Outflow Tract Obstruction in Children
Cardiology Clinics, 1991Left ventricular outflow tract obstruction is classified by site of presentation into valvular, subvalvular, and supravalvular forms. This disorder affects multiple age groups, and success rates of operative therapies vary dramatically. Abnormalities in any of the three principal anatomic sites of the LV outflow tract can lead to obstruction.
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Left ventricular myxoma with dynamic left ventricular outflow tract obstruction
Postgraduate Medical Journal, 2018A 24-year-old man presented with sudden motor aphasia and right hemiparesis which recovered spontaneously over 30 min. Cardiac evaluation revealed a short mid-systolic murmur at the aortic area. He was in sinus rhythm. Transthoracic echocardiography revealed a large pedunculated mass in the left ventricular outflow tract with phasic prolapse through ...
Sambaturu V Kartik +5 more
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Left Ventricular Rhabdomyoma With Severe Left Ventricular Outflow Tract Obstruction
Journal of Cardiac Surgery, 2007The incidence of cardiac tumors increased with the improvement of imaging techniques in infants. Rhabdomyomas are the most common tumors in this group of patients. We herein report a 40-day-old male patient with left ventricular rhabdomyoma. The tumor caused syncope attack and supraventricular tachycardia.
Sarigul, Ali +6 more
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The Transmitral Approach to Left Ventricular Outflow Tract Obstruction
The Annals of Thoracic Surgery, 1983Left ventricular outflow tract obstruction is a particularly vexing problem in patients with complete transposition (atrioventricular concordance and ventriculoarterial discordance) and intact ventricular septum. Previous techniques, such as resecting the obstructive lesion through the pulmonary valve or bypassing the obstruction, have not given ...
B R, Wilcox, G W, Henry, R H, Anderson
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An Unusual Cause of Left Ventricular Outflow Tract Obstruction
Journal of Cardiothoracic and Vascular Anesthesia, 2011YPERTROPHIC CARDIOMOPATHY (HCM) is a complex condition with an extensive phenotypic expression and a broad clinical spectrum. Mutations in the sarcomeric proteins lead to abnormal hypertrophy, especially of the interventricular septum. 1 The prevalence of this condition in the adult population is approximately 0.2%, and it is considered the most common
Michelle, Capdeville +2 more
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Echocardiographic assessment of left ventricular outflow tract obstruction
American Heart Journal, 1983The assessment of a patient with suspected left ventricular outflow tract (LVOT) obstruction is a common clinical problem. Symptoms such as anginal pain, congestive heart failure, vertigo, or syncope may be due to associated diseases (mainly coronary artery disease), but are often the ominous signs of critical obstruction.
Z, Vered +3 more
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