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Improvement of ARDS Ventilation-perfusion Matching by Prone Positioning Assessed by EIT

Acute Respiratory Distress Syndrome Clinical Trial

Official title:
Improvement of Acute Respiratory Distress Syndrome Ventilation-perfusion Matching by Prone Positioning Assessed by Electrical Impedance Tomography

Clinical Trial Summary

Acute Respiratory Distress Syndrome (ARDS) is a highly lethal disease with limited treatment options. In recent years, prone position ventilation has been shown to improve the mortality rate and lung injury of ARDS patients by promoting lung recruitment, improving ventilation/perfusion (V/Q) ratio, enhancing respiratory system compliance, promoting sputum drainage, and effectively avoiding overinflation of the dorsal lung. Electrical Impedance Tomography (EIT) technology has been used to evaluate the effect of prone position ventilation on lung V/Q matching, and some studies have confirmed that prone position ventilation can improve lung V/Q matching and oxygenation index. However, previous studies were mostly case reports or small-sample physiological studies that lacked dynamic changes in lung V/Q matching during repeated prone position ventilation. Therefore, this study hypothesizes that prone position ventilation can increase lung V/Q matching in ARDS patients, and its improvement is correlated with changes in oxygenation index, invasive ventilation time, and patient prognosis. Repeated prone position ventilation can maintain lung V/Q matching at a higher level, no longer affected by changes in body position, which can accelerate pulmonary function recovery and improve the prognosis of ARDS patients.

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT05765760
Study type Observational
Source Beijing Chao Yang Hospital
Contact Yu Zhao, Dr.
Phone +8618601342030
Email xuanben1985@163.com
Status Recruiting
Phase
Start date April 1, 2023
Completion date March 31, 2025
View Details
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