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Background <p>This study evaluates the impact of different initial ventilation strategies on in-hospital mortality among sepsis patients.</p> Methods <p>We included hospitalized sepsis patients who underwent mechanical ventilation from the Medical Information Mart for Intensive Care IV (MIMIC-IV) database and categorized them into groups based on their initial ventilation strategy: non-invasive ventilation (NIV) and invasive mechanical ventilation (IMV). The main endpoint analyzed was in-hospital mortality. A propensity score matching model was employed to address confounding factors, and Cox survival analysis was performed in the matched cohort. Subgroup analyses were conducted to evaluate population heterogeneity.</p> Results <p>Among 19,796 patients who received mechanical ventilation, 10,073 (50.8%) initially received NIV. The analysis included 2935 matched pairs. Patients initially receiving NIV exhibited a higher survival rate (<i>P</i> = 0.009) and a 24% lower risk of in-hospital mortality compared to those initially receiving IMV (<i>P</i> &lt; 0.001). Subgroup analysis indicated significant survival benefits with initial NIV for patients without malignant tumor (MT), or lower Sequential Organ Failure Assessment (SOFA) scores and higher PO<sub>2</sub>/FiO<sub>2</sub>.</p> Conclusion <p>Among sepsis patients, initial NIV is linked to increased in-hospital survival rates and reduced mortality risk, particularly in patients without concurrent MT, lower SOFA scores, and higher PO<sub>2</sub>/FiO<sub>2</sub>.</p>

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Impact of initial ventilation strategies on in-hospital mortality in sepsis patients: insights from the MIMIC-IV database

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年4月1日

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  • Yuxin Lu,
  • Jingtao Zhang,
  • Wanglin Zhang,
  • Hongwei Shi,
  • Kanlirong Wang,
  • Ziang Li,
  • Liqun Sun

摘要

Background

This study evaluates the impact of different initial ventilation strategies on in-hospital mortality among sepsis patients.

Methods

We included hospitalized sepsis patients who underwent mechanical ventilation from the Medical Information Mart for Intensive Care IV (MIMIC-IV) database and categorized them into groups based on their initial ventilation strategy: non-invasive ventilation (NIV) and invasive mechanical ventilation (IMV). The main endpoint analyzed was in-hospital mortality. A propensity score matching model was employed to address confounding factors, and Cox survival analysis was performed in the matched cohort. Subgroup analyses were conducted to evaluate population heterogeneity.

Results

Among 19,796 patients who received mechanical ventilation, 10,073 (50.8%) initially received NIV. The analysis included 2935 matched pairs. Patients initially receiving NIV exhibited a higher survival rate (P = 0.009) and a 24% lower risk of in-hospital mortality compared to those initially receiving IMV (P < 0.001). Subgroup analysis indicated significant survival benefits with initial NIV for patients without malignant tumor (MT), or lower Sequential Organ Failure Assessment (SOFA) scores and higher PO2/FiO2.

Conclusion

Among sepsis patients, initial NIV is linked to increased in-hospital survival rates and reduced mortality risk, particularly in patients without concurrent MT, lower SOFA scores, and higher PO2/FiO2.