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Published on: February 7, 2025
The Role of Monocyte Distribution Width (MDW) in the Prediction of Death in Adult Patients with Sepsis
Dimitrios Theodoridis1, Angeliki Tsifi2, Emmanouil Magiorkinis3
1Hematology Laboratory, Konstantopoulio General Hospital, 14233 Nea Ionia, Greece.
Abstract:
Sepsis is a life-threatening condition; it is a major cause of hospital mortality worldwide and it constitutes a global health problem. This research investigates the use of MDW as a predictor for septic patients. This was a double-center prospective cohort study of adult septic patients. Septic patients were identified and were categorized into two categories: those who improved and those who died. Blood was drawn from the patients three times, on the first, third, and fifth day of their admission to the hospital. MDW was evaluated as a biomarker to predict patient outcome. In addition, existing inflammatory markers were recorded in all patients. The MDW was able to predict patient's outcome. The average MDW was found to be significantly higher in patients who died in all records. For example, an MDW value of 28.4 on the first day of admission to the hospital was shown to be the best cut-off value in determining fatal outcomes; receiver operating characteristic (ROC) analysis revealed an area under the curve value of 0.71 (95% Confidence Interval-CI: 0.57-0.84) with a sensitivity of 64.7% and a specificity of 88.2%. In conclusion, MDW, in addition to being a marker that can quickly detect sepsis more effectively than other biomarkers, which is proven by numerous studies, could also be used as an indicator to predict patient outcome. This work is an attempt in that direction.
Insights
Monocyte Distribution Width (MDW) can predict sepsis patient outcomes. Higher MDW levels in sepsis patients correlate with increased mortality risk, offering a potential prognostic biomarker.
Area of Science:
- Critical Care Medicine
- Biomarker Discovery
- Clinical Pathology
Background:
- Sepsis is a leading cause of global hospital mortality.
- Effective prediction of sepsis patient outcomes remains a clinical challenge.
- Existing inflammatory markers have limitations in predicting sepsis prognosis.
Purpose of the Study:
- To investigate Monocyte Distribution Width (MDW) as a predictive biomarker for sepsis patient outcomes.
- To compare the predictive value of MDW against existing inflammatory markers.
- To determine the efficacy of MDW in identifying patients at higher risk of mortality.
Main Methods:
- A prospective, double-center cohort study involving adult septic patients.
- Categorization of patients into improved and deceased groups.
- Serial blood sampling and measurement of MDW on days 1, 3, and 5 of admission.
- Analysis of existing inflammatory markers alongside MDW.
Main Results:
- MDW demonstrated significant predictive capability for patient outcomes.
- Patients who died exhibited significantly higher average MDW values across all recorded days.
- An MDW cut-off of 28.4 on day 1 showed an AUC of 0.71 for predicting fatal outcomes (Sensitivity: 64.7%, Specificity: 88.2%).
Conclusions:
- MDW serves as a valuable indicator for predicting sepsis patient mortality.
- MDW offers rapid sepsis detection and prognostic assessment, potentially outperforming other biomarkers.
- This study supports the utility of MDW as a prognostic tool in sepsis management.
