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Measurement of arterial pressure after cardiopulmonary bypass with long radial artery catheters. 1990

E N Rulf, and M M Mitchell, and O Prakash, and H Rijsterborg, and E Cruz, and Y L Deryck, and W Rating, and R M Schepp, and K Siphanto, and A Van der Woerd
Department of Cardiology, Academic Hospital Dijkzigt, Erasmus University, Rotterdam, The Netherlands.

Radial arterial pressure can significantly underestimate central aortic pressure in the postcardiopulmonary bypass (post-CPB) period. At the study institution, routine monitoring of perioperative arterial pressure in adult patients undergoing cardiac surgery is performed with a long radial artery catheter with the distal end positioned in the subclavian artery. In 68 patients presenting for elective cardiac surgery, both a conventional short radial artery catheter and a contralateral long radial artery catheter were placed. Analysis of radial and subclavian arterial pressures post-CPB in the first 47 patients showed average maximum differences of 7 mm Hg systolic and 4 mm Hg mean. In 15% of patients, the differences were clinically significant (greater than 20 mm Hg systolic and/or greater than 14 mm Hg mean). In 28 patients, central aortic pressure was measured post-CPB, and subclavian artery pressure was found to be an excellent estimator of central aortic pressure. There were no significant complications related to using long radial artery catheters in the 68 patients who were followed prospectively. Monitoring subclavian arterial pressure by percutaneous insertion of a long radial artery catheter provides a reliable estimation of central aortic pressure, even in patients with significant radial artery-to-central aortic pressure gradients post-CPB.

UI MeSH Term Description Entries
D011446 Prospective Studies Observation of a population for a sufficient number of persons over a sufficient number of years to generate incidence or mortality rates subsequent to the selection of the study group. Prospective Study,Studies, Prospective,Study, Prospective
D011884 Radius The outer shorter of the two bones of the FOREARM, lying parallel to the ULNA and partially revolving around it. Radial Tuberosity,Radial Tuberosities,Tuberosities, Radial,Tuberosity, Radial
D012044 Regression Analysis Procedures for finding the mathematical function which best describes the relationship between a dependent variable and one or more independent variables. In linear regression (see LINEAR MODELS) the relationship is constrained to be a straight line and LEAST-SQUARES ANALYSIS is used to determine the best fit. In logistic regression (see LOGISTIC MODELS) the dependent variable is qualitative rather than continuously variable and LIKELIHOOD FUNCTIONS are used to find the best relationship. In multiple regression, the dependent variable is considered to depend on more than a single independent variable. Regression Diagnostics,Statistical Regression,Analysis, Regression,Analyses, Regression,Diagnostics, Regression,Regression Analyses,Regression, Statistical,Regressions, Statistical,Statistical Regressions
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
D001916 Brachial Artery The continuation of the axillary artery; it branches into the radial and ulnar arteries. Arteries, Brachial,Artery, Brachial,Brachial Arteries
D002315 Cardiopulmonary Bypass Diversion of the flow of blood from the entrance of the right atrium directly to the aorta (or femoral artery) via an oxygenator thus bypassing both the heart and lungs. Heart-Lung Bypass,Bypass, Cardiopulmonary,Bypass, Heart-Lung,Bypasses, Cardiopulmonary,Bypasses, Heart-Lung,Cardiopulmonary Bypasses,Heart Lung Bypass,Heart-Lung Bypasses
D002406 Catheterization, Peripheral Insertion of a catheter into a peripheral artery, vein, or airway for diagnostic or therapeutic purposes. Arterial Catheterization, Peripheral,Catheterization, Bronchial,Catheterization, Peripheral Arterial,Catheterization, Peripheral Venous,Peripheral Catheterization,Venous Catheterization, Peripheral,Bronchial Catheterization,PICC Line Catheterization,PICC Line Placement,PICC Placement,Peripheral Arterial Catheterization,Peripheral Venous Catheterization,Peripherally Inserted Central Catheter Line Insertion,Arterial Catheterizations, Peripheral,Bronchial Catheterizations,Catheterization, PICC Line,Catheterizations, Bronchial,Catheterizations, PICC Line,Catheterizations, Peripheral,Catheterizations, Peripheral Arterial,Catheterizations, Peripheral Venous,PICC Line Catheterizations,PICC Line Placements,PICC Placements,Peripheral Arterial Catheterizations,Peripheral Catheterizations,Peripheral Venous Catheterizations,Placement, PICC,Placement, PICC Line,Placements, PICC,Placements, PICC Line,Venous Catheterizations, Peripheral
D003971 Diastole Post-systolic relaxation of the HEART, especially the HEART VENTRICLES. Diastoles
D004867 Equipment Design Methods and patterns of fabricating machines and related hardware. Design, Equipment,Device Design,Medical Device Design,Design, Medical Device,Designs, Medical Device,Device Design, Medical,Device Designs, Medical,Medical Device Designs,Design, Device,Designs, Device,Designs, Equipment,Device Designs,Equipment Designs
D006350 Heart Valve Prosthesis A device that substitutes for a heart valve. It may be composed of biological material (BIOPROSTHESIS) and/or synthetic material. Prosthesis, Heart Valve,Cardiac Valve Prosthesis,Cardiac Valve Prostheses,Heart Valve Prostheses,Prostheses, Cardiac Valve,Prostheses, Heart Valve,Prosthesis, Cardiac Valve,Valve Prostheses, Cardiac,Valve Prostheses, Heart,Valve Prosthesis, Cardiac,Valve Prosthesis, Heart

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