The usefulness of a 28-item Therapeutic Intervention Scoring System (TISS-28) in critically ill obstetric patients to

Jose Rojas-Suarez1, Jeniffer González-Hernández2, Diana Borre-Naranjo2

  • 1Intensive Care and Obstetric Research Group (GRICIO), Universidad de Cartagena, Cartagena, Colombia; Corporación Universitaria Rafael Núñez, Cartagena, Colombia.

Abstract

Insights

The 28-item Therapeutic Intervention Scoring System (TISS-28) effectively identifies multiorgan dysfunction (MOD) in critically ill obstetric patients. TISS-28 offers valuable insights for risk stratification and resource allocation in obstetric intensive care units.

Area of Science:

  • Critical Care Medicine
  • Obstetrics
  • Health Services Research

Background:

  • Critically ill obstetric patients require accurate severity assessment.
  • Existing models like SOFA and MPM II may not fully capture care intensity.
  • The 28-item Therapeutic Intervention Scoring System (TISS-28) is evaluated for its utility in this population.

Purpose of the Study:

  • To evaluate the effectiveness of TISS-28 in detecting multiorgan dysfunction (MOD) in critically ill obstetric patients.
  • To compare TISS-28's predictive performance against SOFA and MPM II.
  • To assess TISS-28's utility in risk stratification and resource allocation.

Main Methods:

  • Prospective multicentre cohort study in Colombian ICUs.
  • Included 93 obstetric patients (pregnant to 42 days postpartum).
  • TISS-28, SOFA, and MPM II scores collected within 24h of ICU admission; MOD defined by WHO near-miss criteria.

Main Results:

  • TISS-28 showed a significantly higher area under the ROC curve (0.83) compared to SOFA (0.66) and MPM II (0.59) (p=0.001).
  • A TISS-28 cut-off score ≥21 demonstrated 83.2% sensitivity and 71.2% specificity for MOD.
  • TISS-28 yielded a positive predictive value of 47.3% and a negative predictive value of 93.2% for MOD.

Conclusions:

  • TISS-28 is a robust tool for identifying MOD in critically ill obstetric patients.
  • TISS-28 complements physiological scores by reflecting care intensity.
  • TISS-28 aids in risk stratification and resource allocation for this patient group.

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