Timing of hemodynamic pressure measurements on derived hemodynamic parameters.
Copyright policy )Timing of hemodynamic pressure measurements on derived hemodynamic parameters.
The purpose of this study was to examine the difference between hemodynamic pressures and parameters obtained pre- compared to post-thermodilution CO measurements. A repeated measures within subject design was conducted with a cardiac surgical cohort. Three measures of hemodynamic pressures and parameters were determined pre- and post-CO measurements (Set 1) and repeated in 30 minutes (Set 2). The sequence was duplicated in four hours (Sets 3 and 4). Hemodynamic pressures lower pre-CO were PAS at Sets 1 and 3, and SBP, DBP, and MAP at Set 3. Hemodynamic parameters lower pre-CO were PVRI at Set 1 and SVRI at Set 3. These pre-post CO differences did not vary by greater than 10%. As the CO injectate volume had minimal effect, hemodynamic pressures may be obtained pre- or post-CO to derive hemodynamic parameters.
- Alberta Health Services Canada
- University of Alberta Hospital Canada
Adult, Aged, 80 and over, Male, Postoperative Care, Time Factors, Critical Care, Thermodilution, Blood Pressure Determination, Stroke Volume, Middle Aged, Myocardial Contraction, Nursing Evaluation Research, Humans, Female, Vascular Resistance, Cardiac Output, Cardiac Surgical Procedures, Aged, Monitoring, Physiologic
Adult, Aged, 80 and over, Male, Postoperative Care, Time Factors, Critical Care, Thermodilution, Blood Pressure Determination, Stroke Volume, Middle Aged, Myocardial Contraction, Nursing Evaluation Research, Humans, Female, Vascular Resistance, Cardiac Output, Cardiac Surgical Procedures, Aged, Monitoring, Physiologic
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