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[ACE Index in patients with respiratory failure]
Masui. the Japanese Journal of Anesthesiology
|September 1, 1992
Summary
The novel ACE index, which accounts for cardiac output, shows greater promise than the standard angiotensin converting enzyme (ACE) in detecting early pulmonary endothelial injury and repair in respiratory failure patients.
Area of Science:
- Pulmonary Medicine
- Cardiovascular Physiology
- Biomarker Research
Background:
- Assessing pulmonary endothelial injury and repair is crucial in respiratory failure.
- The standard angiotensin converting enzyme (ACE) marker's utility may be limited by pulmonary perfusion.
- A novel ACE index, excluding pulmonary perfusion influence, was proposed.
Observation:
- ACE, ACE index, and PaO2.FIO2-1 ratio were monitored in two ICU patients with respiratory failure.
- The ACE index demonstrated a strong correlation with the patients' clinical respiratory status.
- A significant correlation was also observed between the ACE index and the PaO2.FIO2-1 ratio.
Findings:
- The ACE index exhibited a closer relationship to the clinical course of respiratory condition (r = 0.806).
- The ACE index showed a strong correlation with the PaO2.FIO2-1 ratio (r = 0.889).
- These correlations were stronger compared to the standard ACE measurements.
Implications:
- The ACE index may serve as a more sensitive early marker for pulmonary endothelial injury and repair.
- This finding could lead to improved monitoring and management strategies for respiratory failure.
- Further research is warranted to validate the ACE index in larger patient cohorts.