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ST2 Predicts Mortality In Patients With Acute Hypercapnic Respiratory Failure Treated With Noninvasive Positive
Brynja Jónsdóttir1,2,3, Marie Ziebell Severinsen4, Fredrik von Wowern1,3
1Department of Clinical Sciences Malmo, Faculty of Medicine, Lund University, Lund, Sweden.
International Journal of Chronic Obstructive Pulmonary Disease
|November 8, 2019
Summary
The protein ST2 is a significant predictor of mortality in patients with Acute Hypercapnic Respiratory Failure (AHRF) receiving Noninvasive Positive Pressure Ventilation (NPPV). ST2 levels can help identify patients at higher risk for short-term and long-term death.
Area of Science:
- Critical Care Medicine
- Respiratory Medicine
- Biomarker Research
Background:
- Acute Hypercapnic Respiratory Failure (AHRF) presents a clinical challenge due to patient heterogeneity.
- Noninvasive Positive Pressure Ventilation (NPPV) is a common treatment for AHRF, but predicting outcomes remains difficult.
- Novel biomarkers are needed to guide treatment decisions and prognosticate for AHRF patients.
Purpose of the Study:
- To evaluate the protein ST2 as a biomarker for predicting mortality in AHRF patients treated with NPPV.
- To assess the prognostic value of baseline ST2 levels and ST2 changes within 12 hours of NPPV initiation.
- To investigate the association between ST2 and treatment outcomes in AHRF.
Main Methods:
- A cohort of 46 AHRF patients treated with NPPV was studied.
- Clinical data and blood samples were collected at various time points.
- ST2 levels were analyzed for their predictive value of mortality over an 18-month follow-up period using Cox proportional hazard models.
Main Results:
- ST2 was identified as an independent predictor of both short-term (28-day) and long-term (18-month) mortality.
- A significant association was observed between higher ST2 levels and increased mortality risk, particularly in patients with Acute Exacerbation of COPD.
- Changes in ST2 levels within the first 12 hours of NPPV treatment did not predict treatment outcomes.
Conclusions:
- The protein ST2 shows promise as a prognostic biomarker for short-term mortality in AHRF patients undergoing NPPV.
- Further research into ST2 as a predictive tool in this patient population is warranted.
- ST2 may aid in risk stratification and clinical decision-making for AHRF management.
Keywords:
acute hypercapnic respiratory failurechronic obstructive pulmonary diseaseheart failurenoninvasive positive pressure ventilationMore Related Videos
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