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Patterns of intensive care unit admissions in patients hospitalized for heart failure: insights from the RO-AHFS registry.

AIM: The present study aims to describe the epidemiology, baseline clinical characteristics, in-hospital management, and outcome of patients hospitalized for heart failure admitted directly or transferred to the ICU.METHODS AND RESULTS: The Romanian Acute Heart Failure Syndromes (RO-AHFS) registry prospectively enrolled 3224 consecutive patients between January 2008 and May 2009 admitted with a primary diagnosis of heart failure. Participants were classified by ICU admission status (i.e. ICU+/ICU-). Independent clinical predictors of ICU admission and in-hospital mortality were identified using multivariable logistic regression analysis. Overall, 10.7% of patients required ICU level care, 32% as a direct ICU admission, with 68% as an ICU transfer during hospitalization. Patients admitted to the ICU had a mean age of 68.1 ± 11.3 years, 61% were men, 67% had an ischemic cause, and 44% presented with de-novo heart failure. ICU+ patients more frequently presented with low SBP and pulse pressure and abnormal renal function. Mechanical ventilation was required in 32.7% and intravenous inotropes were administered to 56.7% of ICU+ patients. ICU+ patients had higher in-hospital mortality compared to ICU- patients (17.3 vs. 6.5%). Patients admitted directly to the ICU had a 15.3% mortality rate compared to 18.4% in those transferred after admission. Age, serum sodium, SBP below 110 mmHg, and left-ventricular ejection fraction less than 45% were predictive of ICU admission, whereas for ICU+ patients, age, vasopressor, and mechanical ventilation utilization were predictive of mortality.CONCLUSIONS: Patients admitted directly or transferred to the ICU are at a high risk of in-hospital mortality. Clinical variables commonly measured at the time of admission may facilitate disposition decision-making including early triage to the ICU.

Authors: Chioncel, Ovidiu O; Ambrosy, Andrew P AP; Filipescu, Daniela D; Bubenek, Serban S; Vinereanu, Dragos D; Petris, Antoniu A; Collins, Sean P SP; Macarie, Cezar C; Gheorghiade, Mihai M;

Journal of cardiovascular medicine (Hagerstown, Md.). 2015 May 01;16(5):331-40. Epub 2014-04-15.

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