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Correlation Between Early Serum Myoglobin Levels and the Incidence and Prognosis of Intensive Care Unit-Acquired
1People's Hospital of Qiandongnan Miao and Dong Autonomous Prefecture, Kai Li, Department of Intensive Care Unite, 556000, Gui Zhou, China.
Abstract:
Intensive Care Unit-acquired weakness (ICU-AW) is a common complication that significantly impedes patient recovery. In the study, we investigated the correlation between early serum myoglobin levels in patients with septic shock due to pneumonia, and the incidence of ICU-AW, duration of mechanical ventilation, and prognosis. Patients were classified based on the development of ICU-AW within the first 10 days of ICU admission. We measured serum myoglobin levels upon ICU entry, and analyzed demographic data, APACHE II scores, use of mechanical ventilation, and clinical outcomes, including mortality and duration of mechanical ventilation. The results indicated significantly elevated serum myoglobin levels in the ICU-AW group, correlated with prolonged mechanical ventilation and increased mortality. ROC analysis revealed myoglobin as a promising biomarker for predicting ICU-AW, with an area under the curve of 0.843 (95% CI: 0.819~0.867), demonstrating a sensitivity of 76.00% and specificity of 82.30%. These findings underscored serum myoglobin as a predictive biomarker for early ICU-AW in septic shock patients, highlighting its potential to guide clinical decision-making.
Insights
Early serum myoglobin levels can predict Intensive Care Unit-acquired weakness (ICU-AW) in septic shock patients. Elevated myoglobin indicates a higher risk of prolonged ventilation and mortality, aiding clinical decisions.
Area of Science:
- Critical Care Medicine
- Biomarkers
- Neuromuscular Disorders
Background:
- Intensive Care Unit-acquired weakness (ICU-AW) is a frequent complication hindering patient recovery.
- Septic shock, particularly due to pneumonia, presents a significant risk for developing ICU-AW.
- Early identification of patients at risk for ICU-AW is crucial for timely intervention.
Purpose of the Study:
- To investigate the association between early serum myoglobin levels and ICU-AW incidence in septic shock patients.
- To evaluate myoglobin's predictive value for mechanical ventilation duration and mortality.
- To explore myoglobin as a potential early biomarker for ICU-AW.
Main Methods:
- Serum myoglobin levels were measured upon Intensive Care Unit (ICU) admission.
- Patients were categorized based on ICU-AW development within 10 days.
- Demographic data, APACHE II scores, mechanical ventilation use, and clinical outcomes were analyzed.
- Receiver Operating Characteristic (ROC) analysis was performed to assess myoglobin's predictive performance.
Main Results:
- Patients who developed ICU-AW exhibited significantly higher serum myoglobin levels.
- Elevated myoglobin levels correlated with prolonged mechanical ventilation duration and increased mortality.
- ROC analysis showed myoglobin as a promising predictor for ICU-AW (AUC: 0.843), with 76.00% sensitivity and 82.30% specificity.
Conclusions:
- Serum myoglobin is a valuable early predictive biomarker for ICU-AW in septic shock patients.
- Myoglobin levels can help identify patients at higher risk for adverse outcomes.
- These findings suggest myoglobin's potential utility in guiding clinical management strategies for septic shock.
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