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Related Experiment Video

Updated: Jan 8, 2026

Evaluation of a Reliable Biomarker in a Cecal Ligation and Puncture-Induced Mouse Model of Sepsis
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Risk for sepsis during mechanical circulatory support★.

Kelsey Gore1, Dean Linder1, Juan José Martinez Duque2

  • 1Department of Cardiovascular Perfusion and Extracorporeal Technology, Ochsner Health, 1514 Jefferson Highway, New Orleans, Louisiana 70121, USA.

The Journal of Extra-Corporeal Technology
|December 17, 2025
PubMed
Summary
This summary is machine-generated.

Patients on mechanical circulatory support (MCS) have a high risk of sepsis. Histories of congestive heart failure or prior cardiac surgery significantly increase sepsis risk in these patients.

Keywords:
Cardiac surgeryCardiovascular diseaseCongestive heart failure (CHF)InflammationMechanical circulatory support (MCS)Sepsis

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Area of Science:

  • Cardiology
  • Infectious Disease
  • Medical Devices

Background:

  • Mechanical circulatory support (MCS) is crucial for end-stage heart failure but carries a significant risk of sepsis.
  • Understanding sepsis risk factors in MCS patients is vital for improving patient outcomes and management strategies.

Purpose of the Study:

  • To investigate the incidence of sepsis in patients undergoing mechanical circulatory support (MCS) therapy.
  • To identify specific patient comorbidities that predict the development of sepsis in this population.

Main Methods:

  • A retrospective study analyzed data from 199 patients who received 244 MCS therapies between January 2017 and October 2023.
  • Ensemble machine learning modeling was employed to identify sepsis predictors, followed by decision-tree analysis for significant comorbidities.

Main Results:

  • The overall incidence of sepsis in MCS patients was 20%.
  • Machine learning identified congestive heart failure and previous cardiac surgery as key risk factors for sepsis.
  • Decision-tree analysis revealed a 60.3% sepsis incidence in patients with prior cardiac surgery but no chronic cardiovascular disease.

Conclusions:

  • Sepsis is a frequent complication in patients requiring MCS.
  • History of congestive heart failure or prior cardiac surgery are novel predictors of increased sepsis risk.
  • Further research into underlying inflammatory states in MCS patients is warranted to mitigate sepsis risk.