• Int. J. Clin. Pract. · Apr 2021

    Observational Study

    Implicaciones pronosticas de la Anemia en pacientes con Insuficiencia Cardiaca Aguda atendidos en Servicios de Urgencias Hospitalarios. Estudio ANEM-ICA.

    • M de Los Ángeles Fernández-Rodríguez, B Prieto-García, J Vázquez-Álvarez, J Jacob, V Gil, O Miró, P Llorens, F J Martín-Sánchez, A Alquézar-Arbé, E Rodríguez-Adrada, R Romero-Pareja, P López-Diez, P Herrero-Puente, and ICA-SEMES group.
    • Servicio de Hematología y Hemoterapia, Hospital Universitario Central de Asturias, Oviedo, Spain.
    • Int. J. Clin. Pract. 2021 Apr 1; 75 (4): e13712.

    IntroductionThe presence of anaemia leads to a worse prognosis in patients with heart failure (HF). There are few data on the impact of anaemia on mortality in patients with acute heart failure (AHF), and the studies available are mainly retrospective, and include hospitalised patients.ObjectiveEvaluate the role of anaemia on 30-day and 1-year mortality in patients with AHF attended in hospital emergency departments (HEDs).MethodsWe performed a multicentre, observational study of prospective cohorts of patients with AHF. The study variables were: Anaemia (haemoglobin < 12g/dL in women and <13g/dL in men), mortality at 30 days and at 1 year, risk factors, comorbidity, functional impairment, basal functional grade for dyspnoea, chronic and acute treatment, clinical and analytical data of the episode, and patient destination.Statistical AnalysisBivariate analysis and survival analyses using Cox regression.ResultsA total of 13 454 patients were included, 7662 (56.9%) of whom had anaemia. Those with anaemia were older, had more comorbidity, a worse functional status and New York Heart Association class, greater renal function impairment, and more hyponatraemia. The mortality was higher in patients with anaemia at 30 days and 1 year: 7.5% vs 10.7% (P < .001) and 21.2% vs 31.4% (P < .001), respectively. The crude and adjusted hazard ratios of anaemia for 30-day mortality were: 1.46 (confidence interval [CI] 95% 1.30-1.64); P < .001 and 1.20 (CI 95% 1.05-1.38); P = .009, respectively, and 1.57 (CI 95% 1.47-1.68) and 1.30 (CI 95% 1.20-1.40) for mortality at 1 year. The weight of anaemia on mortality was different in each follow-up period.ConclusionsAnaemia is an independent predictor of mortality at 30 days and 1 year in patients with AHF attended in HEDs. It is important to study the aetiology of AHF since adequate treatment would reduce mortality.© 2020 John Wiley & Sons Ltd.

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