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Imaging Tuberous Sclerosis: The Incremental Benefit of Three‐Dimensional and Speckle Tracking Echocardiography
Author(s) -
Garg Pankaj,
Musa Tarique A.,
Ripley David P.
Publication year - 2015
Publication title -
echocardiography
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.404
H-Index - 62
eISSN - 1540-8175
pISSN - 0742-2822
DOI - 10.1111/echo.12921
Subject(s) - tuberous sclerosis , ventricle , medicine , ejection fraction , cardiology , penetrance , radiology , heart failure , phenotype , biochemistry , chemistry , gene
Tuberous sclerosis complex ( TSC ) is a neurocutaneous syndrome and multisystem disorder with autosomal dominant inheritance and variable penetrance. Cardiac rhabdomyomas have been reported in 50–64% of patients with TSC and transthoracic echocardiography is established as the primary imaging modality for their detection. The precise functional assessment of the left ventricle in these patients requires clarification. We report a case of a 19‐year‐old male with known TSC who was referred for outpatient transthoracic echocardiography ( TTE ) to investigate for the presence of cardiac rhabdomyomas. TTE demonstrated multiple rhabdomyomas with a normal ejection fraction but altered global and regional deformation on speckle tracking. The regional longitudinal strain was notably reduced in the anterior septum (−11%) and inferior septum (−15%). The global circumferential strain ( GCS ) was significantly reduced at −15.6%. The distribution of regional circumferential strain reduction for the mid‐ventricular segment correlated with the location of cardiac rhabdomyomas.