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Risk index for death by infective endocarditis: a multivariate logistic model
Mário Augusto Cray da Costa1, Darley Rugery Wollmann, Antonio Carlos Ligoski Campos
1Hospital de Clínicas, Federal University in Paraná- Brazil Rua General Carneiro,181, Curitiba. drmarioaugusto@uol.com.br
Summary
A new mortality risk index for infective endocarditis accurately predicts in-hospital death. Higher scores indicate increased risk, aiding clinical decision-making for this serious infection.
Area of Science:
- Cardiology
- Infectious Diseases
- Medical Statistics
Background:
- Infective endocarditis (IE) poses a significant risk of in-hospital mortality.
- Accurate prediction of mortality is crucial for patient management and resource allocation.
Purpose of the Study:
- To identify variables predictive of in-hospital mortality in IE patients.
- To develop and validate a mortality risk index for IE using a Receiver Operating Characteristic (ROC) curve analysis.
Main Methods:
- A retrospective study of 186 confirmed IE cases.
- Multivariate analysis to determine odds ratios for mortality predictors.
- Calculation of a mortality risk index based on identified factors.
Main Results:
- Key predictors of mortality included advanced age, severe heart failure/shock, uncontrolled sepsis, conduction disorders, arrhythmias, extensive valve damage/prosthesis, and large vegetation.
- A risk index was created, with scores from 0-10 correlating to 5.26% mortality and scores over 20 to 78.9% mortality.
Conclusions:
- The developed mortality risk index effectively estimates in-hospital mortality risk in IE patients.
- The index can serve as a valuable tool for clinical assessment and prognosis in infective endocarditis.
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