The Validation of Cardiac Index and Stroke-Volume Variation Measured by the Pulse-Wave Transit Time-Analysis Versus Conventional Pulse-Contour Analysis After Off-Pump Coronary Artery Bypass Grafting: Observational Study.
J Cardiothorac Vasc Anesth
; 37(6): 919-926, 2023 06.
Article
em En
| MEDLINE
| ID: mdl-36878818
ABSTRACT
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 (CIesCCO and esSVV, correspondingly) and pulse-contour analysis (CIPCA and SVVPCA, correspondingly). As a secondary analysis, they also assessed the trending ability of CIesCCO versus CIPCA. MEASUREMENTS AND MAINRESULTS:
The authors analyzed 178 measurement pairs for CI, and 174 pairs for SVV during the 10 study stages. The mean bias between CIesCCO and CIPCA was 0.06 L min/m2, with limits of agreement of ± 0.92 L min/m2 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 SVVPCA was -6.1%, with limits of agreement of ± 15.5% and a PE of 137%.CONCLUSIONS:
The overall performance of CIesCCO and esSVV versus CIPCA and SVVPCA is not clinically acceptable. A further improvement of the PWTT algorithm may be required for an accurate and precise assessment of CI and SVV.Palavras-chave
Texto completo:
1
Base de dados:
MEDLINE
Assunto principal:
Acidente Vascular Cerebral
/
Ponte de Artéria Coronária sem Circulação Extracorpórea
Idioma:
En
Ano de publicação:
2023
Tipo de documento:
Article