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[Simultaneous measurement of systolic pulmonary artery pressure by catheterization and contrast enhancement doppler echocardiography]. 1993

O Dubourg, and G Delorme, and G Jondeau, and F Chikli, and H Clavier, and B Valtier, and M Terdjman, and A Beauchet, and J P Bourdarias
Service de cardiologie, hôpital Ambroise-Paré, Boulogne-Billancourt.

The aim of this study was to assess the value of echocardiographic contrast in measuring systolic pulmonary artery pressures. Thirty-four patients with an average age of 61 +/- 15 years undergoing right heart catheterisation had a simultaneous measurement of systolic pulmonary artery pressures by catheter and colour-coded Doppler echocardiography under basal conditions and after injection of 5% dextrose agitated with 1 cm3 of air to form microcavitations. The Doppler echocardiographic measurements were performed after withdrawal of the catheter into the inferior vena cava before and after injection of contrast. Patients were divided into two groups according to the pulmonary artery pressures at catheterisation: Group I, comprising 11 patients with systolic pulmonary artery pressures of less than 35 mmHg; Group II, comprising 23 patients with systolic pulmonary artery pressures of over 35 mmHg; The injection of contrast significantly increased the number of patients in whom systolic pulmonary artery pressures could be calculated from the Doppler signal of tricuspid regurgitation (TR) in Group I (control: 18%; contrast: 100%, p < 0.01) and Group II (control: 65%; contrast: 96%, p < 0.05). There was a close correlation between the catheter and Doppler measurements of the trans-tricuspid valve pressure gradients before and after injection of contrast in Group I (n = 11, r = 0.85, p = 0.001, with an estimated standard error (ESE) = 3.8 mmHg) and in Group II (control: n = 15, r = 0.89, p = 0.001, ESE = 10.5 mmHg, and after contrast: n = 22, .r = 0.90, p = 0.001, ESE = 7.95 mmHg) with the catheter in the right ventricle.(ABSTRACT TRUNCATED AT 250 WORDS)

UI MeSH Term Description Entries
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D011651 Pulmonary Artery The short wide vessel arising from the conus arteriosus of the right ventricle and conveying unaerated blood to the lungs. Arteries, Pulmonary,Artery, Pulmonary,Pulmonary Arteries
D001794 Blood Pressure PRESSURE of the BLOOD on the ARTERIES and other BLOOD VESSELS. Systolic Pressure,Diastolic Pressure,Pulse Pressure,Pressure, Blood,Pressure, Diastolic,Pressure, Pulse,Pressure, Systolic,Pressures, Systolic
D006328 Cardiac Catheterization Procedures in which placement of CARDIAC CATHETERS is performed for therapeutic or diagnostic procedures. Catheterization, Cardiac,Catheterization, Heart,Heart Catheterization,Cardiac Catheterizations,Catheterizations, Cardiac,Catheterizations, Heart,Heart Catheterizations
D006331 Heart Diseases Pathological conditions involving the HEART including its structural and functional abnormalities. Cardiac Disorders,Heart Disorders,Cardiac Diseases,Cardiac Disease,Cardiac Disorder,Heart Disease,Heart Disorder
D006439 Hemodynamics The movement and the forces involved in the movement of the blood through the CARDIOVASCULAR SYSTEM. Hemodynamic
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly
D013599 Systole Period of contraction of the HEART, especially of the HEART VENTRICLES. Systolic Time Interval,Interval, Systolic Time,Intervals, Systolic Time,Systoles,Systolic Time Intervals,Time Interval, Systolic,Time Intervals, Systolic
D014262 Tricuspid Valve Insufficiency Backflow of blood from the RIGHT VENTRICLE into the RIGHT ATRIUM due to imperfect closure of the TRICUSPID VALVE. Tricuspid Incompetence,Tricuspid Regurgitation,Tricuspid Valve Incompetence,Tricuspid Valve Regurgitation,Incompetence, Tricuspid,Incompetence, Tricuspid Valve,Insufficiency, Tricuspid Valve,Regurgitation, Tricuspid,Regurgitation, Tricuspid Valve,Valve Incompetence, Tricuspid,Valve Insufficiency, Tricuspid,Valve Regurgitation, Tricuspid

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