Measurement of tricuspid annular diastolic velocities by Doppler tissue imaging to assess right ventricular function in patients with congenital heart disease.

Measurement of tricuspid annular diastolic velocities by Doppler tissue imaging to assess right ventricular function in patients with congenital heart disease. Research Abstract Details 

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Measurement of tricuspid annular diastolic velocities by Doppler tissue imaging to assess right ventricular function in patients with congenital heart disease. Abstract Text:

M Watanabe,S Ono,T Tomomasa,Y Okada,T Kobayashi,T Suzuki,A Morikawa,

We assessed the clinical utility of using diastolic tricuspid annular velocities obtained by Doppler tissue imaging as a noninvasive index of right ventricular function in patients with congenital heart disease. Doppler tissue imaging at the tricuspid annulus and pulsed Doppler echocardiography of the right ventricular inflow were performed in 71 children with congenital heart disease, with and without elevated right ventricular pressure. Cardiac catheterization was performed in all patients with congenital heart disease, and the hemodynamic determinants of the tricuspid annular and inflow velocities were determined. In patients with congenital heart disease, the ratio of the late-to-early diastolic tricuspid annular velocity (Aa/Ea) showed a highly significant correlation with right ventricle pressure/left ventricle pressure (r = 0.79, p < 0.0001), right ventricular end diastolic pressure (r = 0.46, p < 0.0001), and the first derivatives of the change in right ventricle pressure during diastole (r = 0.72, p < 0.0001). However, the late-to-early diastolic tricuspid inflow velocity (A/E) did not correlate with any invasively measured index of right ventricular function. Aa/Ea, derived from tricuspid annular velocities as measured by Doppler tissue imaging, is a valuable, noninvasive tool for detecting an elevated right ventricular pressure in patients with congenital heart disease.

Measurement of tricuspid annular diastolic velocities by Doppler tissue imaging to assess right ventricular function in patients with congenital heart disease. Publishing Authors By Initials

M Watanabe,S Ono,T Tomomasa,Y Okada,T Kobayashi,T Suzuki,A Morikawa,

For similar circulatory and respiratory physiology: cardiovascular physiology: cardiovascular physiologic processes: ventricular function: ventricular function, right research abstracts see: circulatory and respiratory physiology: cardiovascular physiology: cardiovascular physiologic processes: ventricular function: ventricular function, right research

PUBMED ID PMID:

MEDLINE DATE: 2003 Sep-Oct

Measurement of tricuspid annular diastolic velocities by Doppler tissue imaging to assess right ventricular function in patients with congenital heart disease. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Pediatric cardiology

VOLUME: 24

Page Numbers: 463-7

Journal Abbreviation: Pediatr Cardiol

ISSN: 0172-0643

DAY: 20

MONTH: 02

YEAR: 2008

Measurement of tricuspid annular diastolic velocities by Doppler tissue imaging to assess right ventricular function in patients with congenital heart disease. Information

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LANGUAGE: eng

NlmUniqueID: 8003849

Measurement of tricuspid annular diastolic velocities by Doppler tissue imaging to assess right ventricular function in patients with congenital heart disease. Keywords Mesh Terms:

KEYWORDS: Ventricular Function, Right

MESH TERMS: physiopathology

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Grant and Affiliation Information for Measurement of tricuspid annular diastolic velocities by Doppler tissue imaging to assess right ventricular function in patients with congenital heart disease.

AFFILIATION: Department of Pediatric Cardiology, Saiseikai Maebashi General Hospital, Kamishindenmachi 564-1, Maebashi Gunma 371-0821, Japan.

Country: United States

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MEDLINETA: Pediatr Cardiol

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