Hemodynamic Monitoring Using a Pulmonary Artery Catheter Versus the Vigileo/FloTrac System During Elective Cardiac Surgery Based on Real-world Data in Japan

Overview

Journal Ann Clin Epidemiol

Specialty General Medicine

Date 2024 Mar 20

PMID 38504946

Authors

Aki Kuwauchi

Satomi Yoshida

Shiro Tanaka

Sachiko Tanaka

Chikashi Takeda

Hiroshi Yonekura

Isao Nahara

Koji Kawakami

Affiliations

Soon will be listed here.

Abstract

Background: The controversy concerning the benefits of pulmonary artery catheter (PAC)-based hemodynamic monitoring in cardiac surgeries has not been adequately addressed. This study aims to compare the all-cause mortality between the PAC with venous oxygen saturation monitoring and the Vigileo/FloTrac (FloTrac) system with central venous oxygen saturation monitoring in cardiac surgeries.

Methods: This nationwide retrospective study includes adult patients who underwent elective cardiac surgeries between April 2010 and October 2014, based on the Japanese health insurance claims database. The main outcome was 30-day all-cause mortality. Propensity scores (PS) were used to adjust for the confounding factors. Treatment effects were estimated using multivariable logistic regression analysis, including PS.

Results: A total of 5,838 patients were included in this study. The crude 30-day mortality rates were 2.4% (8/334) and 1.7% (96/5,504) in the FloTrac and PAC groups, respectively. After PS matching, the ORs for 30-day all-cause mortality, in-hospital mortality after PAC placement (vs. FloTrac) were 0.36 (95% CI: 0.05-2.37; p = 0.28) and 0.59 (95% CI: 0.16-2.20; p = 0.43), respectively. The amount of dobutamine was larger in the PAC group (281 ± 31 mg vs 155 ± 19 mg; p < 0.001). There were no significant differences in the amounts of other inotropes, the volume of fluids, or blood transfusions.

Conclusions: The association between PAC (with venous oxygen saturation monitoring) and mortality in patients who underwent elective cardiac surgeries was unclear compared to FloTrac (with central venous oxygen saturation monitoring). Additional investigation is needed to evaluate the benefits of PAC-specific hemodynamic parameters in this population.

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