Imaging adult patients with discrete subvalvar aortic stenosis

AR Opotowsky, SS Pickard, T Geva - Current opinion in cardiology, 2017 - journals.lww.com
In the absence of other congenital heart defects or alternative indications (eg coronary
angiography), TTE is usually adequate for the assessment of discrete subvalvar aortic …

Discrete subaortic stenosis: perspective roadmap to a complex disease

DD Massé, JA Shar, KN Brown, SG Keswani… - Frontiers in …, 2018 - frontiersin.org
Discrete subaortic stenosis (DSS) is a congenital heart disease that results in the formation
of a fibro-membranous tissue, causing an increased pressure gradient in the left ventricular …

Impact of aortoseptal angle abnormalities and discrete subaortic stenosis on left-ventricular outflow tract hemodynamics: preliminary computational assessment

JA Shar, KN Brown, SG Keswani… - … in Bioengineering and …, 2020 - frontiersin.org
Discrete subaortic stenosis (DSS) is an obstruction of the left ventricular outflow tract (LVOT)
due to the formation of a fibromuscular membrane upstream of the aortic valve. DSS is a …

Subaortic stenosis resection in children: emphasis on recurrence and the fate of the aortic valve

S Mukadam, BM Gordon, JT Olson… - World Journal for …, 2018 - journals.sagepub.com
Background: Recurrence after surgical resection of discrete subvalvar aortic stenosis in
children often requires repeat operation. Risk factors for recurrence are poorly understood …

Computational assessment of valvular dysfunction in discrete subaortic stenosis: a parametric study

JA Shar, SG Keswani, KJ Grande-Allen… - Cardiovascular …, 2021 - Springer
Purpose Discrete subaortic stenosis (DSS) is a left-ventricular outflow tract (LVOT)
obstruction caused by a membranous lesion. DSS is associated with steep aortoseptal …

Preoperative factors that predict recurrence after repair of discrete subaortic stenosis

L Carlson, S Pickard, K Gauvreau, C Baird… - The Annals of Thoracic …, 2021 - Elsevier
Background Several factors predict reintervention for subaortic stenosis (SubAS): age,
preoperative left ventricular outflow tract gradient, distance from the obstructive subaortic …

Managing uncertainty in decision-making of common congenital cardiac defects

CJ McMahon, S Sendžikaitė… - Cardiology in the …, 2022 - cambridge.org
Decision-making in congenital cardiac care, although sometimes appearing simple, may
prove challenging due to lack of data, uncertainty about outcomes, underlying heuristics …

Contemporary Clinical Characteristics, Imaging, Management, and Surgical and Nonsurgical Outcomes of Adult Patients With Subaortic Stenosis

A Agrawal, AD Arockiam, M Majid… - Journal of the …, 2024 - ahajournals.org
Background Subaortic stenosis (SAS) is characterized by a fibromuscular membrane
located just below the aortic valve, causing fixed outflow tract obstruction. There is a paucity …

Routine septal myectomy during subaortic stenosis membrane resection: effect on recurrence rates

AA Mazurek, S Yu, R Lowery, RG Ohye - Pediatric Cardiology, 2018 - Springer
Recurrence of subaortic stenosis (SubAS) is up to~ 19% following resection. Historically,
treatment has consisted of membrane resection alone. This study investigated the effect of …

Aortic outflow abnormalities

DW Brown, K Mistry, AK Kaza - Nadas' Pediatric Cardiology, 2025 - Elsevier
Left ventricular outflow tract obstructive lesions account for approximately 6% of congenital
heart disease in children. Obstruction can occur at subvalvar, valvar, and supravalvar levels …