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Indian Journal of Critical Care Medicine
Medknow Publications on behalf of the Indian Society of Critical Care Medicine
ISSN: 0972-5229
EISSN: 1998-359x
Vol. 13, No. 2, 2009, pp. 59-65
Bioline Code: cm09015
Full paper language: English
Document type: Research Article
Document available free of charge

Indian Journal of Critical Care Medicine, Vol. 13, No. 2, 2009, pp. 59-65

 en Left atrial function for outcome prediction in severe sepsis and septic shock: An echocardiographic study
Omar, Amr S; ur Rahman, Masood & Abuhasna, Said

Abstract

Left ventricular function and B-type natriuretic peptide (BNP) assessments are used to predict mortality in septic patients. Left atrial function has never been used to prognosticate outcome in septic patients.
Objectives: To assess if deterioration of left atrial function in patients with severe sepsis and septic shock could predict mortality.
Methods: We studied 30 patients with severe sepsis or septic shock with a mean age of 49.8±16.17. Echocardiographic parameters were measured on admission, Day 4, and Day 7, which comprised left ventricular ejection fraction (EF), and atrial function that is expressed as atrial ejection force (AEF). All patients were subjected to BNP assay as well. Multivariate analyses adjusted for APACHE II score was used for mortality prediction.
Results: The underlying source for sepsis was lung in 10 patients (33%), blood in 7 patients (23.3%), abdomen in 7 patients (23.7%), and 3 patients (10%) had UTI as a cause of sepsis. Only one patient had CNS infection. In-hospital mortality was 23.3% (7 patients). Admission EF showed a significant difference between survivors and non survivors, 49.01±6.51 vs.. 56.44±6.93% ( P < 0.01). On the other hand, admission AEF showed insignificant changes between the same groups, 10.9±2.81 vs. 9.41±2.4 k/dynes P=0.21, while BNP was significantly higher in the non survivors, 1123±236.08 vs. 592.7±347.1 pg/ml (P< 0.001). The predicatable variables for mortality was Acute Physiology and Chronic Health Evaluation II score, BNP, then EF.
Conclusion: In septic patients, left atrial function unlike the ventricular function and BNP levels can not be used as an independent predictor of mortality.

Keywords
Left atrial function, mortality, septic shock

 
© Copyright 2009 Indian Journal of Critical Care Medicine.
Alternative site location: http://www.ijccm.org/

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