Korean J Anesthesiol.  2021 Apr;74(2):120-133. 10.4097/kja.20202.

Four different methods of measuring cardiac index during cytoreductive surgery and hyperthermic intraperitoneal chemotherapy

Affiliations
  • 1Department of Anesthesiology, Pain and Palliative Medicine, Radboud University Medical Center, Nijmegen, The Netherlands
  • 2Department of Surgery, Radboud University Medical Center, Nijmegen, The Netherlands

Abstract

Background
Cytoreductive surgery (CRS) and hyperthermic intraperitoneal chemotherapy (HIPEC) are high-risk extensive abdominal surgery. During high-risk surgery, less invasive methods for cardiac index (CI) measurement have been widely used in operating theater. We investigated the accuracy of CI derived from different methods (FroTrac, ProAQT, ClearSight, and arterial pressure waveform analysis [APWA], from PICCO) and compared them to transpulmonary thermodilution (TPTD) during CRS and HIPEC in the operative room and intensive care unit (ICU).
Methods
Twenty-five patients scheduled for CRS-HIPEC were enrolled. During nine predefined time-points, simultaneous hemodynamic measurements were performed in the operating room and ICU. Absolute and relative changes of CI were analyzed using a Bland-Altman plot, four-quadrant plot, and interchangeability.
Results
The mean bias was −0.1 L/min/m2 for ClearSight, ProAQT, and APWA and was −0.2 L/min/m2 for FloTrac compared with TPTD. All devices had large limits of agreement (LoA). The percentage of errors and interchangeabilities for ClearSight, FloTrac, ProAQT, and APWA were 50%, 50%, 54%, 36% and 36%, 47%, 40%, 72%, respectively. Trending capabilities expressed as concordance using clinically significant CI changes were −7º ± 39º, −19º ± 38º, −13º ± 41º, and −15º ± 39º. Interchangeability in trending showed low percentages of interchangeable and gray zone data pairs for all devices.
Conclusions
During CRS-HIPEC, ClearSight, FloTrac and ProAQT systems were not able to reliably measure CI compared to TPTD. Reproducibility of changes over time using concordance, angular bias, radial LoA, and interchangeability in trending of all devices was unsatisfactory.

Keyword

Abdominal surgery; Cardiac output; Comparison study; Intraperitoneal chemotherapy; Pulse Contour analysis; Repeatability coefficient; Transpulmonary thermodilution; Volume clamp method

Cited by  1 articles

Anesthetic concerns during cytoreductive surgery with hyperthermic intraperitoneal chemotherapy
Jung-Hee Ryu, Chang-Hoon Koo
Korean J Anesthesiol. 2021;74(2):89-90.    doi: 10.4097/kja.21099.

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