Document Detail


Dipyridamole-thallium myocardial scanning in the preoperative assessment of patients undergoing abdominal aortic aneurysmectomy.
MedLine Citation:
PMID:  2340609     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Dipyridamole thallium scanning (DTS) is an imaging technique with good sensitivity for coronary artery disease (CAD). The purpose of this study was to compare the haemodynamic courses and the correlation between pulmonary capillary wedge pressure (PCWP) and central venous pressure (CVP) in patients with normal DTS (Group 1: n = 12) with those whose scans demonstrated CAD (Group 2: n = 11). Haemodynamic profiles were obtained prior to anaesthesia and at several times during surgery. The haemodynamic courses in both groups were similar with significant decreases in cardiac index, stroke index, and left ventricular stroke work index during aortic cross-clamping compared with values prior to anaesthesia. There were no significant changes in PCWP and CVP throughout the study. The correlations between PCWP and CVP were significant in both groups as were the correlations between the changes in PCWP and the changes in CVP observed at the time of cross-clamping. These correlations all had large standard errors of the estimate, however, making it impossible to predict the PCWP from the CVP with precision. It is concluded that, in a limited study population, an abnormal DTS did not identify patients in whom the PCWP and CVP correlated poorly during abdominal aortic aneurysmectomy.
Authors:
R P Grant; C Morgan; M S Page; D N Malm; V Huckel; L C Jenkins
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Canadian journal of anaesthesia = Journal canadien d'anesthésie     Volume:  37     ISSN:  0832-610X     ISO Abbreviation:  Can J Anaesth     Publication Date:  1990 May 
Date Detail:
Created Date:  1990-06-28     Completed Date:  1990-06-28     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  8701709     Medline TA:  Can J Anaesth     Country:  CANADA    
Other Details:
Languages:  eng     Pagination:  409-15     Citation Subset:  IM    
Affiliation:
Department of Anaesthesiology, Faculty of Medicine, University of British Columbia, Vancouver.
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MeSH Terms
Descriptor/Qualifier:
Aged
Aorta, Abdominal / surgery
Aortic Aneurysm / physiopathology,  surgery*
Blood Pressure / physiology
Cardiac Output / physiology
Cardiopulmonary Bypass
Central Venous Pressure / physiology
Constriction
Coronary Disease / physiopathology,  radionuclide imaging*
Dipyridamole / diagnostic use
Female
Gated Blood-Pool Imaging
Heart / radionuclide imaging*
Humans
Intraoperative Care
Male
Preoperative Care
Pulmonary Wedge Pressure / physiology
Thallium Radioisotopes / diagnostic use
Chemical
Reg. No./Substance:
0/Thallium Radioisotopes; 58-32-2/Dipyridamole

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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