hypoplastic left heart complex

Full Definition

Hypoplastic left heart complex encompasses a broader spectrum of left heart underdevelopment beyond classic hypoplastic left heart syndrome (HLHS). This includes variants with small but potentially usable left ventricles, such as critical aortic stenosis with endocardial fibroelastosis, mitral stenosis with hypoplastic left ventricle, and borderline left heart structures. The distinction is important for surgical planning, as some patients may be candidates for biventricular repair rather than single ventricle palliation.

Usage

Usage note: Distinguish from classic HLHS when discussing treatment options and prognosis.

In Context

• "The patient's hypoplastic left heart complex may allow for biventricular repair strategy." — surgical planning conference
• "Borderline cases within the hypoplastic left heart complex require individualized management decisions." — congenital heart surgery review