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Randomized Controlled Trial
. 2024 Nov;113(11):1589-1603.
doi: 10.1007/s00392-024-02518-y. Epub 2024 Sep 11.

Insights on prevalence and incidence of anemia and rapid up-titration of oral heart failure treatment from the STRONG-HF study

Jelena Čelutkienė  1 , Kamilė Čerlinskaitė-Bajorė  2 , Gad Cotter  3   4   5 , Christopher Edwards  5 , Marianna Adamo  6 , Mattia Arrigo  7 , Marianela Barros  5 , Jan Biegus  8 , Ovidiu Chioncel  9 , Alain Cohen-Solal  3   10 , Albertino Damasceno  11 , Rafael Diaz  12 , Gerasimos Filippatos  13 , Etienne Gayat  3   14 , Antoine Kimmoun  15 , Valentine Léopold  3   14 , Benjamin Deniau  3   14 , Marco Metra  6 , Maria Novosadova  5 , Matteo Pagnesi  6 , Peter S Pang  16 , Piotr Ponikowski  8 , Hadiza Saidu  17 , Karen Sliwa  18 , Koji Takagi  5 , Jozine M Ter Maaten  19 , Daniela Tomasoni  6 , Carolyn S P Lam  20   21   22 , Adriaan A Voors  19 , Alexandre Mebazaa  3   14 , Beth Davison  3   4   5
Affiliations
Randomized Controlled Trial

Insights on prevalence and incidence of anemia and rapid up-titration of oral heart failure treatment from the STRONG-HF study

Jelena Čelutkienė et al. Clin Res Cardiol. 2024 Nov.

Abstract

Background: Anemia is one of the most frequent comorbidities in patients with heart failure (HF), which potentially can interfere with the effect of guideline-recommended HF medical therapy and can be associated with the use of neurohormonal blockers.

Aim: The aim of this analysis was to determine the prevalence and changes of anemia status in the STRONG-HF study, its association with clinical endpoints, and possible interaction of the presence of anemia with the efficacy and safety of high-intensity HF treatment.

Methods: The design and main results of the study have been previously described. Patients were randomized within 2 days prior to anticipated hospital discharge after HF worsening in a 1:1 fashion to either high-intensity care (HIC) or usual care (UC). Baseline characteristics, clinical and safety outcomes, and treatment effect of HIC vs. UC on the primary and secondary outcomes were compared in groups based on baseline anemia. In addition, dynamics of hemoglobin during the study follow-up and predictors of incident anemia at 90 days were investigated.

Results: The proportion of anemia in 1077 STRONG-HF patients at enrollment was 27.2%, while at 90 days, it changed to 32.1%. The primary composite outcome occurred in 18.2% of patients without baseline anemia, and 22.5% of patients with baseline anemia (unadjusted HR 1.27; 95% CI 0.90-1.80), a difference that did not reach statistical significance. However, patients with baseline anemia had significantly less improvement of EQ-VAS questionnaire values from baseline to day 90 (adjusted LS-Mean difference -2.34 (-4.37, -0.31), P = 0.02). During the study, anemia developed in 19.4 and 14.6% in HIC and UC groups, respectively. The opposite phenomenon-recovery of anemia-occurred in 27.6 and 28.8% in HIC and UC groups (P = 0.1379). The predictors of incident anemia at 90 days were male sex, geographical region other than Europe, ischemic etiology, higher glucose, and elevated uric acid at baseline. The percentages of optimal doses of renin-angiotensin system inhibitors, beta-blockers, and mineralocorticoid receptor antagonists were not different between anemic and non-anemic patients. High-intensity care strategy did not increase rate of incident anemia at 90 days and reduced the rate of primary and secondary endpoints regardless of baseline hemoglobin.

Conclusion: Hemoglobin level and status of anemia have a dynamic nature in the acute HF patients in the post-discharge period dependent on multiple factors. High-intensity HF treatment is safe and beneficial regardless of baseline hemoglobin level and presence of anemia. The improvement of quality of life is significantly lower in anemic HF patients implying specific attention to correction of this condition.

Keywords: Anemia; Guideline-directed medical therapy; Heart failure.

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