Skip Navigation

This Article
Right arrow Full Text
Right arrow Full Text (PDF)
Right arrow E-Letters: Submit a response to the article
Right arrow Alert me when this article is cited
Right arrow Alert me when E-letters are posted
Right arrow Alert me if a correction is posted
Services
Right arrow Email this article to a friend
Right arrow Similar articles in this journal
Right arrow Similar articles in ISI Web of Science
Right arrow Similar articles in PubMed
Right arrow Alert me to new issues of the journal
Right arrow Add to My Personal Archive
Right arrow Download to citation manager
Right arrow Search for citing articles in:
ISI Web of Science (6)
Right arrowRequest Permissions
Right arrow Disclaimer
Google Scholar
Right arrow Articles by Schmidlin, D.
Right arrow Articles by Schmid, E. R.
Right arrow Search for Related Content
PubMed
Right arrow PubMed Citation
Right arrow Articles by Schmidlin, D.
Right arrow Articles by Schmid, E. R.
Social Bookmarking
Add to CiteULike   Add to Connotea   Add to Del.icio.us  
What's this?

British Journal of Anaesthesia, 2000, Vol. 85, No. 3 379-388
© 2000 The Board of Management and Trustees of the British Journal of Anaesthesia

Left ventricular pressure–area relations as assessed by transoesophageal echocardiographic automated border detection: comparison with conductance catheter technique in cardiac surgical patients

D. Schmidlin1, S. Aschkenasy1, P. R. Vogt2, J. Schmidli2, R. Jenni3 and E. R. Schmid1

1Institute of Anaesthesiology, 2Clinic for Cardiovascular Surgery and 3Department of Internal Medicine, University Hospital, CH-8091 Zurich, Switzerland*Corresponding author

The aim of this study was to validate measurements of intraoperative left ventricular (LV) area by transoesophageal echocardiography against simultaneous measurements of LV volume by conductance catheter (CC) in cardiac surgical patients with normal systolic LV function. Echo area was compared with CC volume during steady state and during acute changes of pre- and afterload by partial clamping of the inferior vena cava and the ascending aorta in eight patients scheduled for coronary artery bypass grafting. At steady state, Bland–Altman analysis of 32 recordings revealed a bias (SD) of 0.6% (2.5%) between echo area and CC volume, related to the initial values of end-diastolic area (100% area) and volume (100% volume), respectively. During loading interventions, bias between the two methods, as assessed by 112 measurement sequences, was 0.5% (3.7%) during aortic occlusion and –3.9% (4.4%) during cava occlusion at end-systole (P<0.0001); at end-diastole, this bias was 1.3% (4%) during aortic occlusion and 0.2% (5.7%) during cava occlusion (P<0.0001). Intraoperative area measurements with transoesophageal echocardiography in cardiac surgical patients with normal systolic LV function show good correlation with CC volume measurements under steady-state conditions. During acute unloading by vena cava occlusion, the resulting small end-systolic echo area measurements differ significantly more from CC volume measurements than during acute increase in afterload by aortic occlusion.

Br J Anaesth 2000; 85: 379–88


Add to CiteULike CiteULike   Add to Connotea Connotea   Add to Del.icio.us Del.icio.us    What's this?


This article has been cited by other articles:


Home page
 Anesth. Analg.Home page
S. A. F. Tulner, R. J. M. Klautz, G. L. van Rijk-Zwikker, F. H. M. Engbers, J. J. Bax, J. Baan, E. E. van der Wall, R. A. Dion, and P. Steendijk
Perioperative Assessment of Left Ventricular Function by Pressure-Volume Loops Using the Conductance Catheter Method
Anesth. Analg., October 1, 2003; 97(4): 950 - 957.
[Abstract] [Full Text] [PDF]


Disclaimer: Please note that abstracts for content published before 1996 were created through digital scanning and may therefore not exactly replicate the text of the original print issues. All efforts have been made to ensure accuracy, but the Publisher will not be held responsible for any remaining inaccuracies. If you require any further clarification, please contact our Customer Services Department.