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Arch Cardiovasc Dis ; 112(6-7): 410-419, 2019.
Article in English | MEDLINE | ID: mdl-31006624

ABSTRACT

BACKGROUND: Iron deficiency (ID) is common in heart failure (HF), and is associated with unfavourable clinical outcomes. Although it is recommended to screen for ID in HF, there is no clear consensus on the optimal timing of its assessment. AIM: To analyse changes in iron status during a short-term follow-up in patients admitted for acute HF. METHODS: Iron status (serum ferritin concentration and transferrin saturation) was determined in 110 consecutive patients (median age: 81 years) admitted to a referral centre for acute HF, at three timepoints (admission, discharge and 1 month after discharge). ID was defined according to the guidelines. RESULTS: The prevalence rates of ID at admission, discharge and 1 month were, respectively, 75% (95% confidence interval [CI] 67-83%), 61% (95% CI: 52-70%), and 70% (95% CI: 61-79%) (P=0.008). Changes in prevalence were significant between admission and discharge (P=0.0018). Despite a similar ID prevalence at admission and 1 month (P=0.34), iron status changed in 25% of patients. Between admission and discharge, variation in C-reactive protein correlated significantly with that of ferritin (ρ=0.30; P=0.001). Advanced age, anaemia, low ferritin concentration and low creatinine clearance were associated with the persistence of ID from admission to 1 month. CONCLUSIONS: Iron status is dynamic in patients admitted for acute HF. Although ID was as frequent at admission as at 1 month after discharge, iron status varied in 25% of patients.


Subject(s)
Anemia, Iron-Deficiency/blood , Heart Failure/blood , Iron/blood , Acute Disease , Aged , Aged, 80 and over , Anemia, Iron-Deficiency/diagnosis , Anemia, Iron-Deficiency/epidemiology , Biomarkers/blood , Comorbidity , Female , Ferritins/blood , France/epidemiology , Heart Failure/diagnosis , Heart Failure/epidemiology , Humans , Iron Deficiencies , Male , Middle Aged , Patient Admission , Patient Discharge , Prevalence , Risk Factors , Time Factors , Transferrin/metabolism
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