Estimation of the ratio of pulmonary to systemic pressures by pulsed-wave Doppler echocardiography for assessment of pulmonary arterial pressures
This study describes a method for estimation of the ratio of pulmonary to systemic pressures by pulsed-wave Doppler echocardiography. Sixty-eight patients ages 1 day to 68 years who underwent cardiac catheterization had Doppler studies of the right and left ventricular outflows. Preejection period (...
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Published in | The American journal of cardiology Vol. 63; no. 12; pp. 862 - 866 |
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Main Authors | , , , , , , |
Format | Journal Article |
Language | English |
Published |
New York, NY
Elsevier Inc
01.04.1989
Elsevier |
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Abstract | This study describes a method for estimation of the ratio of pulmonary to systemic pressures by pulsed-wave Doppler echocardiography. Sixty-eight patients ages 1 day to 68 years who underwent cardiac catheterization had Doppler studies of the right and left ventricular outflows. Preejection period (PEP), ejection time (ET) and mean acceleration to peak velocity (ACCm) were measured on each waveform. The expression: F = (PEP × ACCm)/ET was calculated for right and left ventricular outflows as an index of the effects that the interaction between ventricular contraction and afterload has on the shape of the Doppler waveforms generated in each outflow. The quotient of (F for the right out-flow) /(F for the left outflow), or waveform contour ratio, was used to express the degree of pressure-dependent variability between each subject's right and left ventricular outflow tracings. The waveform contour ratio was strikingly similar to the ratio of systolic pulmonary to systemic pressures and also closely correlated to the ratio of mean pressures. The product of waveform contour ratio and arm systolic pressure gave a consistently accurate estimate of systolic pulmonary pressures. It is concluded that the present method can be used successfully for the noninvasive assessment of pulmonary arterial pressures. |
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AbstractList | This study describes a method for estimation of the ratio of pulmonary to systemic pressures by pulsed-wave Doppler echocardiography. Sixty-eight patients ages 1 day to 68 years who underwent cardiac catheterization had Doppler studies of the right and left ventricular outflows. Preejection period (PEP), ejection time (ET) and mean acceleration to peak velocity (ACCm) were measured on each waveform. The expression: F = (PEP x ACCm)/ET was calculated for right and left ventricular outflows as an index of the effects that the interaction between ventricular contraction and afterload has on the shape of the Doppler waveforms generated in each outflow. The quotient of (F for the right outflow)/(F for the left outflow), or waveform contour ratio, was used to express the degree of pressure-dependent variability between each subject's right and left ventricular outflow tracings. The waveform contour ratio was strikingly similar to the ratio of systolic pulmonary to systemic pressures and also closely correlated to the ratio of mean pressures. The product of waveform contour ratio and arm systolic pressure gave a consistently accurate estimate of systolic pulmonary pressures. It is concluded that the present method can be used successfully for the noninvasive assessment of pulmonary arterial pressures. This study describes a method for estimation of the ratio of pulmonary to systemic pressures by pulsed-wave Doppler echocardiography. Sixty-eight patients ages 1 day to 68 years who underwent cardiac catheterization had Doppler studies of the right and left ventricular outflows. Preejection period (PEP), ejection time (ET) and mean acceleration to peak velocity (ACCm) were measured on each waveform. The expression: F = (PEP × ACCm)/ET was calculated for right and left ventricular outflows as an index of the effects that the interaction between ventricular contraction and afterload has on the shape of the Doppler waveforms generated in each outflow. The quotient of (F for the right out-flow) /(F for the left outflow), or waveform contour ratio, was used to express the degree of pressure-dependent variability between each subject's right and left ventricular outflow tracings. The waveform contour ratio was strikingly similar to the ratio of systolic pulmonary to systemic pressures and also closely correlated to the ratio of mean pressures. The product of waveform contour ratio and arm systolic pressure gave a consistently accurate estimate of systolic pulmonary pressures. It is concluded that the present method can be used successfully for the noninvasive assessment of pulmonary arterial pressures. |
Author | Hoadley, Stephen D. Pasipoularides, Ares Darragh, Robert Gaitan, Guillermo Roland, J.Michel Pieroni, Daniel R. Morera, Julio |
Author_xml | – sequence: 1 givenname: Julio surname: Morera fullname: Morera, Julio organization: From the Edward C. Lambert Department of Cardiology, The Children's Hospital of Buffalo, State University of New York at Buffalo, Buffalo, New York, USA – sequence: 2 givenname: Stephen D. surname: Hoadley fullname: Hoadley, Stephen D. organization: From the Edward C. Lambert Department of Cardiology, The Children's Hospital of Buffalo, State University of New York at Buffalo, Buffalo, New York, USA – sequence: 3 givenname: J.Michel surname: Roland fullname: Roland, J.Michel organization: From the Edward C. Lambert Department of Cardiology, The Children's Hospital of Buffalo, State University of New York at Buffalo, Buffalo, New York, USA – sequence: 4 givenname: Ares surname: Pasipoularides fullname: Pasipoularides, Ares organization: From the Edward C. Lambert Department of Cardiology, The Children's Hospital of Buffalo, State University of New York at Buffalo, Buffalo, New York, USA – sequence: 5 givenname: Robert surname: Darragh fullname: Darragh, Robert organization: From the Edward C. Lambert Department of Cardiology, The Children's Hospital of Buffalo, State University of New York at Buffalo, Buffalo, New York, USA – sequence: 6 givenname: Guillermo surname: Gaitan fullname: Gaitan, Guillermo organization: From the Edward C. Lambert Department of Cardiology, The Children's Hospital of Buffalo, State University of New York at Buffalo, Buffalo, New York, USA – sequence: 7 givenname: Daniel R. surname: Pieroni fullname: Pieroni, Daniel R. organization: From the Edward C. Lambert Department of Cardiology, The Children's Hospital of Buffalo, State University of New York at Buffalo, Buffalo, New York, USA |
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Cites_doi | 10.1161/01.CIR.44.3.403 10.1161/01.RES.52.1.85 10.1136/hrt.45.2.157 10.1016/0002-9149(86)90627-2 10.1161/01.RES.10.1.17 10.1093/cvr/20.11.816 10.1016/S0735-1097(87)80047-5 10.1016/0002-9149(86)90911-2 10.1016/0033-0620(81)90022-0 10.1161/01.CIR.67.2.353 10.1161/01.CIR.68.2.302 10.1136/hrt.51.4.407 10.1016/S0735-1097(85)80477-0 10.1016/S0735-1097(86)80300-X 10.1016/0002-9149(84)90646-5 10.1016/0002-9149(81)90556-7 10.1016/0002-9149(74)90634-1 |
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Keywords | Human Doppler ultrasound study Pulsed echo Echocardiography Ultrasonic investigation Cardiovascular disease Pulmonary artery Newborn Pulmonary vessel Adult Arterial pressure Hemodynamics Child |
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resistance ratio in chronic congestive heart failure contributor: fullname: Cody – volume: 57 start-page: 316 year: 1986 ident: 10.1016/0002-9149(89)90058-1_BIB10 article-title: Prediction of pulmonary arterial pressure in adults by pulsed Doppler echocardiography publication-title: Am J Cardiol doi: 10.1016/0002-9149(86)90911-2 contributor: fullname: Isobe – volume: 23 start-page: 365 year: 1981 ident: 10.1016/0002-9149(89)90058-1_BIB19 article-title: Ventricular interdependence publication-title: Prog Cardiovasc Dis doi: 10.1016/0033-0620(81)90022-0 contributor: fullname: Bove – volume: 67 start-page: 353 year: 1983 ident: 10.1016/0002-9149(89)90058-1_BIB26 article-title: Alterations in left ventricular three-dimensional dynamic geometry and systolic function during acute right ventricular hypertension in the conscious dog publication-title: Circulation doi: 10.1161/01.CIR.67.2.353 contributor: fullname: Visner – volume: 68 start-page: 302 year: 1983 ident: 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Snippet | This study describes a method for estimation of the ratio of pulmonary to systemic pressures by pulsed-wave Doppler echocardiography. Sixty-eight patients ages... |
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SubjectTerms | Adolescent Adult Aged Aorta - physiopathology Biological and medical sciences Blood Flow Velocity Blood Pressure Blood Pressure Determination - methods Cardiovascular Diseases - physiopathology Cardiovascular system Child Child, Preschool Echocardiography, Doppler Humans Infant Infant, Newborn Investigative techniques, diagnostic techniques (general aspects) Medical sciences Middle Aged Prospective Studies Pulmonary Artery - physiology Pulmonary Artery - physiopathology Stroke Volume Ultrasonic investigative techniques |
Title | Estimation of the ratio of pulmonary to systemic pressures by pulsed-wave Doppler echocardiography for assessment of pulmonary arterial pressures |
URI | https://dx.doi.org/10.1016/0002-9149(89)90058-1 https://www.ncbi.nlm.nih.gov/pubmed/2929444 https://search.proquest.com/docview/78934022 |
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