Objective: To compare the reliability of cardiac index (CI) and stroke-volume variation (SVV) measured by the pulse-wave transit-time (PWTT) method using estimated continuous cardiac output (esCCO) technique with conventional pulse-contour analysis after off-pump coronary artery bypass grafting (OPCAB).
Design: A single-center, prospective, observational study.
Setting: At a 1,000-bed university hospital.
Participants: A total of 21 patients were enrolled after elective OPCAB.
Interventions: The study authors performed a method comparison study with simultaneous measurement of CI and SVV based on the esCCO technique (CI and esSVV, correspondingly) and pulse-contour analysis (CI and SVV, correspondingly). As a secondary analysis, they also assessed the trending ability of CI versus CI MEASUREMENTS AND MAIN RESULTS: The authors analyzed 178 measurement pairs for CI, and 174 pairs for SVV during the 10 study stages. The mean bias between CI and CI was 0.06 L min/m, with limits of agreement of ± 0.92 L min/m and a percentage error (PE) of 35.3%. The analysis of the trending ability of CI measured by PWTT revealed a concordance rate of 70%. The mean bias between esSVV and SVV was -6.1%, with limits of agreement of ± 15.5% and a PE of 137%.
Conclusions: The overall performance of CI and esSVV versus CI and SVV is not clinically acceptable. A further improvement of the PWTT algorithm may be required for an accurate and precise assessment of CI and SVV.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1053/j.jvca.2023.02.010 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Intraoperative goal-directed hemodynamic therapy targeting both arterial pressure and flow parameters using uncalibrated pulse contour techniques: A meta-analysis of randomized controlled trials.
Rev Esp Anestesiol Reanim (Engl Ed)
December 2024
Fluid Therapy and Hemodynamic Monitoring Group of the Spanish Society of Anesthesiology and Critical Care, Madrid, Spain; Hospital Universitario Puerto Real, Cádiz, Spain.
Background: Goal-directed haemodynamic therapy (GDHT) aims to optimize haemodynamic variables. However, its effectiveness in reducing postoperative complications in major abdominal surgery, particularly when targeting both arterial pressure and flow variables, remains unclear. This meta-analysis addresses this by evaluating GDHT using uncalibrated pulse contour (uPC) methods.
View Article and Find Full Text PDFComparison of clinical results between transpulmonary thermodilution monitoring and conventional methods in cardiac surgery: An observational study.
Medicine (Baltimore)
December 2024
Department of Cardiovascular Surgery, Ege University Faculty of Medicine, İzmir, Turkey.
The Pulse Index Contour Continuous Cardiac Output (PICCO) module provides advanced and continuous monitoring of cardiac output through the use of arterial pulse contour analysis and transpulmonary thermodilution. The objective of this study was to compare the early postoperative outcomes of patients who were monitored using the conventional method and the pulse contour analysis method. A prospective observational study was conducted involving 45 patients who underwent cardiac surgery between 2020 and 2022.
View Article and Find Full Text PDFPiCCO or Cardiac Ultrasound? Which Is Better for Hemodynamic Monitoring in ICU?
Medicina (Kaunas)
November 2024
Department of Cardiology, Emergency County Hospital of Craiova, Faculty of Medicine, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania.
Advanced hemodynamic monitoring is fundamental in the management of the critically ill. Blood pressure and cardiac function are key markers of cardiovascular system function;, thus, having accurate measurements of these parameters in critically ill patients is essential. Currently, there are various methods available to choose from, as well as a greater understanding of the methods and criteria to be able to compare devices and select the best option for our patients' needs.
View Article and Find Full Text PDFNoninvasive Assessment of Temporal Dynamics in Sympathetic and Parasympathetic Baroreflex Responses.
bioRxiv
October 2024
Center for Translational Pain Medicine, Department of Anesthesiology, Duke University Medical Center, Durham, North Carolina.
Article Synopsis
- The study focuses on the baroreflex system, crucial for regulating blood pressure and heart function, by developing a noninvasive method to assess its sympathetic and parasympathetic branches simultaneously.
- Researchers analyzed data from cardiothoracic surgery patients and other subjects to estimate key cardiovascular parameters and calculate baroreflex sensitivity (BRS) using pulse contour analysis and a sequence method.
- Results showed that parasympathetic BRS for heart rate was linked to heart rate variability metrics, while sympathetic BRS was associated with blood pressure, cardiac output, and heart rate variability under different conditions, suggesting nuanced autonomic responses to postural changes.
Aerobic Training Attenuates Differences Between Black and White Adults in Left Ventricular-Vascular Coupling and Wasted Pressure Effort.
J Am Heart Assoc
November 2024
Integrative Human Physiology Laboratory, Manning College of Nursing & Health Sciences University of Massachusetts Boston Boston MA USA.
Background: Black compared with White adults have a higher risk for left-ventricular hypertrophy and heart failure possibly due to the early onset of alterations in ventricular-vascular coupling (ie, arterial [] to ventricular elastance [] ratio) and wasted pressure effort (). Aerobic training preserves the coupling ratio (/) and attenuates , but whether this applies to Black adults is unknown. We hypothesized that Black rather than White adults would have greater training-induced improvements in the / and .
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!