Normal Values of Left Atrial Volume in Pediatric Age Group Using a Validated Allometric Model | Zendy

Puneet Bhatla | Zendy; James C. Nielsen | Zendy; Helen Ko | Zendy; John T. Doucette | Zendy; Irene D. Lytrivi | Zendy; Shubhika Srivastava | Zendy

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Normal Values of Left Atrial Volume in Pediatric Age Group Using a Validated Allometric Model

Author(s) -

Puneet Bhatla,

James C. Nielsen,

Helen Ko,

John T. Doucette,

Irene D. Lytrivi,

Shubhika Srivastava

Publication year - 2012

Publication title -

circulation cardiovascular imaging

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.584

H-Index - 99

eISSN - 1942-0080

pISSN - 1941-9651

DOI - 10.1161/circimaging.112.974428

Subject(s) - allometry , body surface area , medicine , linear regression , cohort , cardiology , statistics , mathematics , biology , ecology

Left atrial volume (LAV) increase is an indicator of diastolic dysfunction and a surrogate marker of significant left to right shunts. Normalization of LAV is currently performed by indexing to body surface area(1) (BSA(1)). The indexed LAV thus derived does not account for the nonlinear relationship of physiologic variables to BSA and has not been tested for independence to body size. Our objective was to identify a valid allometric model for indexing LAV and use it to develop Z-scores in children.

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