Pulmonary venous flow velocity: relation to hemodynamics, mitral flow velocity and left atrial volume, and ejection fraction.

M. A. Basnight, M. S. Gonzalez, S. C. Kershenovich, C. P. Appleton

Research output: Contribution to journalArticle

153 Citations (Scopus)

Abstract

Abnormal pulmonary venous flow velocity patterns are present in multiple cardiac disease states, but the determinants of pulmonary venous flow velocity have not been fully elucidated. To determine the relative importance of several proposed factors that could influence pulmonary venous flow, anatomic, hemodynamic, and Doppler mitral and pulmonary venous flow velocity data were compared in 50 consecutive patients undergoing cardiac catheterization for clinical reasons. Pulmonary venous diastolic flow velocity was most strongly related to left ventricular isovolumetric relaxation time (r = -0.59), left ventricular end-diastolic pressure (LVEDP, r = 0.50), left atrial minimum volume (r = 0.50), mitral deceleration time (r = -0.50), and early diastolic mitral flow velocity (r = 0.45). Pulmonary venous systolic flow velocity related best with left atrial minimum volume (r = -0.45) and left atrial ejection fraction (r = 0.44). Pulmonary venous systolic flow velocity integral also showed the strongest relation with left atrial minimum volume (r = -0.48). Relations between pulmonary venous flow velocity and velocity time integrals and other variables were sometimes significantly different, apparently caused in part to differences in heart rate. These results suggest that pulmonary venous diastolic flow velocity is influenced by the same factors that influence early left ventricular diastolic filling; pulmonary venous systolic flow velocity relates best to left atrial volume and atrial ejection fraction and does not relate to left ventricular ejection fraction. Future studies analyzing pulmonary venous flow velocity variables should include data on both peak velocities and velocity time integrals as well as left atrial size and function.

Original languageEnglish (US)
Pages (from-to)547-558
Number of pages12
JournalJournal of the American Society of Echocardiography : official publication of the American Society of Echocardiography
Volume4
Issue number6
StatePublished - Nov 1991
Externally publishedYes

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Hemodynamics
Lung
Left Atrial Function
Deceleration
Cardiac Catheterization
Stroke Volume
Heart Diseases
Heart Rate
Blood Pressure

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine
  • Radiology Nuclear Medicine and imaging

Cite this

Pulmonary venous flow velocity : relation to hemodynamics, mitral flow velocity and left atrial volume, and ejection fraction. / Basnight, M. A.; Gonzalez, M. S.; Kershenovich, S. C.; Appleton, C. P.

In: Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography, Vol. 4, No. 6, 11.1991, p. 547-558.

Research output: Contribution to journalArticle

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