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Anesth Pain Med > Volume 10(4); 2015 > Article
Cardiothoracic and Vascular Anesthesia
Anesthesia and Pain Medicine 2015;10(4):291-294.
DOI: https://doi.org/10.17085/apm.2015.10.4.291    Published online October 31, 2015.
Changes in the hemodynamic parameters between the prone and supine positions measured by an arterial pulse contour cardiac output monitoring system
Eun A Jang, Soo Eun Lee, Jeong Il Choi, Soo Young Cho
Department of Anesthesiology and Pain Medicine, Chonnam National University Hospital, Gwangju, Korea. tndud2584@gmail.com
Received: 24 December 2014   • Revised: 11 January 2015   • Accepted: 8 July 2015
Abstract
BACKGROUND
The changes in the hemodynamic parameters when the patients assumed a prone position from a supine position were examined using the FloTrac/EV1000(TM) system, during general anesthesia.
METHODS
A total of 56 adult patients with American Society of Anesthesiologists physical status I-II and undergoing elective lumbar spine surgery were enrolled in the study. The hemodynamic parameters, such as the mean arterial pressure, heart rate, cardiac index, stroke volume variation, systemic vascular resistance index, central venous pressure, and peak airway pressure, were recorded when the patients were in a supine position and then in a prone position.
RESULTS
No significant differences were found in the subjects' hemodynamic parameters between when the subjects were in a supine position and when they were in a prone position, except in the central venous pressure and peak airway pressure, both of which were elevated when the subjects were in a prone position.
CONCLUSIONS
There were no differences in hemodynamic parameters between supine and prone positions measured by FloTrac/EV1000(TM) system during general anesthesia.
Key Words: EV1000(TM) clinical platform, FloTrac(TM), Hemodynamics, Prone position
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