Focused transthoracic echocardiography by sports medicine physicians: measurements relevant to hypertrophic cardiomyopathy

The purpose of this study was to investigate whether sports medicine physicians can use portable echocardiography to obtain measurements pertinent to hypertrophic cardiomyopathy. Thirty male collegiate athletes, aged 18 to 21 years, were prospectively enrolled. Focused portable echocardiography was...

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Bibliographic Details
Published in:Journal of ultrasound in medicine 2013-02, Vol.32 (2), p.333-338
Main Authors: Yim, Eugene S, Gillis, Edward F, Ojala, Krystin, MacDonald, James, Basilico, Frederick C, Corrado, Gianmichael D
Format: Article
Language:English
Subjects:
Adolescent
Adult
Cardiomyopathy, Hypertrophic - diagnostic imaging
Echocardiography - instrumentation
Echocardiography - statistics & numerical data
Heart Septum - diagnostic imaging
Heart Ventricles - diagnostic imaging
Humans
Male
Prospective Studies
Reproducibility of Results
Sports Medicine - statistics & numerical data
Young Adult
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Summary:The purpose of this study was to investigate whether sports medicine physicians can use portable echocardiography to obtain measurements pertinent to hypertrophic cardiomyopathy. Thirty male collegiate athletes, aged 18 to 21 years, were prospectively enrolled. Focused portable echocardiography was performed by a board-certified sports medicine physician and a resident physician, followed by comprehensive echocardiography within 2 weeks by a registered diagnostic cardiac sonographer. A left parasternal long-axis view was acquired to measure 3 dimensions: (1) end-diastolic interventricular septal thickness (IVSd), (2) end-diastolic left ventricular internal diameter (LVIDd), and (3) end-diastolic left ventricular posterior wall thickness (LVPWd). Intraclass correlation coefficients between the sports medicine physician and the sonographer were strong: 0.77 for IVSd, 0.73 for LVIDd, and 0.64 for LVPWd. Intraclass correlation coefficients between measurements by the resident physician and sonographer were strong to moderate: 0.61 for IVSd, 0.62 for LVIDd, and 0.63 for LVPWd. Across all 3 readers, intraclass correlation coefficient calculations were 0.77 for IVSd, 0.81 LVIDd, and 0.75 for LVPWd, which indicated strong inter-rater reliability. Sports medicine physicians are able to obtain measurements relevant to the diagnosis of hypertrophic cardiomyopathy with focused portable echocardiography that are consistent with comprehensive echocardiography by a registered sonographer.
ISSN:0278-4297
1550-9613
DOI:10.7863/jum.2013.32.2.333