Abstract
BackgroundData regarding new onset atrial fibrillation (nAF) in general, non-cardiac, intensive care unit (ICU) patients are limited. However, it has been suggested that nAF is associated with worse clinical outcome in these patients. ObjectiveThe purpose of the present work was to study the prognostic impact of nAF, in this setting. MethodsWe prospectively studied all patients admitted to a single ICU for a period of 12 months. Patients admitted for brief post-operative monitoring, patients with chronic, intermittent atrial fibrillation and atrial fibrillation present upon admission, were excluded. Death during ICU stay (ICUD) was the pre-specified study end-point. Length of stay (LOS) for survivors was also reported. A number of factors related to the occurrence of nAF and the present disease were recorded for each patient. ResultsThe study population was comprised of 133 patients. Twenty (15%) of them manifested nAF. The end-point of ICUD was observed in 27.1% of the patients. The median LOS reported was 8 days. Patients with nAF seemed to have significantly worse prognosis, compared to those who did not manifest nAF (OR=3.35, 95%CI:1.26–8.92; P=0.016). Additionally, nAF patients appear to require significantly extended LOS (P=0.01). Nevertheless, when the effect of nAF on ICUD was adjusted for sepsis, there was no statistically significant difference between those that manifested nAF and the rest of the patients. ConclusionPatients suffering nAF seem to have worse prognosis during ICU stay. However, a direct impact of nAF on mortality was not documented.
Published Version
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