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Hematological Parameters Predicting Mortality in Patients with COPD Admitted to ICUs
Badi A Alotaibi1,2, Mohmad H Alsabani2,3, Abdulrhman S Alghamdi2,4
1Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Saud Bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia.
Saudi Journal of Medicine & Medical Sciences
|February 12, 2025
Summary
In patients with chronic obstructive pulmonary disease (COPD) exacerbation admitted to intensive care units, older age increases mortality risk, while low mean corpuscular hemoglobin concentration (MCHC) may decrease it. Further research is needed to confirm these findings.
Area of Science:
- Pulmonary Medicine
- Critical Care Medicine
- Hematology
Background:
- Chronic obstructive pulmonary disease (COPD) prevalence is rising in Saudi Arabia.
- Limited research exists on using routine hematological parameters to predict COPD mortality.
- This study addresses the need for predictive markers in COPD exacerbations.
Purpose of the Study:
- To identify hematological parameters that predict mortality in intensive care unit (ICU) patients with COPD exacerbation.
- To establish predictive thresholds and assess the diagnostic accuracy of identified parameters.
Main Methods:
- A multicenter retrospective study of 323 COPD patients admitted to ICUs in Saudi Arabia (2016-2021).
- Analysis of hematological parameters for mortality prediction using multivariate analysis.
- Receiver Operating Characteristic (ROC) curve analysis to determine optimal cut-off values, sensitivity, and specificity.
Main Results:
- Overall mortality rate was 37.2% among the study cohort.
- Independent predictors of mortality included older age (OR: 1.029) and low mean corpuscular hemoglobin concentration (MCHC) (OR: 0.985).
- ROC analysis identified a MCHC cut-off of 320.5 g/L (AUC: 0.576) associated with mortality risk.
Conclusions:
- Older age is associated with increased mortality risk in COPD exacerbations requiring ICU admission.
- Low MCHC may be associated with decreased mortality risk, warranting further investigation.
- Larger scale studies are recommended to validate these hematological predictors in COPD mortality.
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