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September 3, 2026Cardiology ResearchOpen Access

Prolonged Mechanical Ventilation and In-Hospital Mortality Following Open-Heart Surgery: A Retrospective Cohort Study

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Authors

JVJofinda VirstyMKMuhammad Budi KurniawanRHRadian Ahmad Halimi

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Overview

Retrospective cohort study finds prolonged mechanical ventilation increases in-hospital mortality following open-heart surgery, highlighting the need for optimized postoperative ventilatory care.

Key Points

  • Evaluate the association between prolonged mechanical ventilation and in-hospital mortality following open-heart surgery and determine risk factors linked to ventilator dependence.
  • Conducted a retrospective cohort study of 249 adult patients undergoing open-heart surgery at Dr. Hasan Sadikin General Hospital in Bandung, Indonesia, between 2023 and 2024.
  • Defined prolonged mechanical ventilation using two cutoff thresholds (>24 hours and ≥96 hours) and assessed outcomes using univariable and multivariable logistic regression models.
  • Overall in-hospital mortality reached 18.9%, with prolonged mechanical ventilation occurring in 62.2% (>24 h) and 5.6% (≥96 h) of surgical patients.
  • Mechanical ventilation >24 hours was independently associated with mortality (aOR 3.259, 95% CI 1.438–7.386; P = 0.005), as was operative duration (aOR 1.009, 95% CI 1.004–1.015; P = 0.001).
  • Ventilation ≥96 hours demonstrated a markedly higher mortality association (aOR 15.422, 95% CI 4.112–57.844; P < 0.001), alongside operative duration (aOR 1.009, 95% CI 1.003–1.014; P = 0.002) and age (aOR 1.037, 95% CI 1.000–1.075; P = 0.049).

Cite This Study

Virsty et al. (2026) studied this question.

synapsesocial.com/papers/6a9934ea636c6408cfa7caadhttps://doi.org/10.14740/cr2269
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