Clinical Research Directory

Physiological Dead Space and Intensive Care Mortality in Mechanically Ventilated Patients

Sponsor: Karadeniz Technical University

Summary

This study investigates the relationship between physiological dead space and clinical outcomes, specifically mortality and discharge status, in adult patients receiving invasive mechanical ventilation in the intensive care unit (ICU). Physiological dead space refers to ventilated but non-perfused regions of the lungs and can be quantified using the Enghoff-modified Bohr equation based on capnographic and arterial CO₂ measurements. While volumetric capnography is a valuable tool in anesthesiology and perioperative care, its use in ICU settings remains limited. By continuously monitoring physiological dead space at the bedside, this study aims to provide real-time insight into ventilation-perfusion mismatch and assess its prognostic significance in critically ill patients.

Official title: Investigation of the Relationship Between Physiological Dead Space and Intensive Care Unit Mortality in Mechanically Ventilated Adult Patients: A Prospective Observational Study

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