BMC geriatrics · 2024
Prevalence of iron deficiency in patients admitted to a geriatric unit: a multicenter cross-sectional study.
Клиническое исследованиеСтатьяМногоцентровое исследованиеПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Fougère Bertrand, Puisieux François, Chevalet Pascal, Annweiler Cédric, Michel Emeline, Joly Laure, Blanc Frédéric, Azouzi Abdelghani El, Desré-Follet Valérie, Cacoub Patrice, CARENFER PA study group*
Аннотация
BACKGROUND: Iron deficiency (ID) is often associated with other comorbidities in older patients and is a factor of morbimortality. However, the prevalence of ID remains poorly documented in this population.
METHODS: The CARENFER PA study was a French multicenter cross-sectional study whose objective was to evaluate ID in patients (> 75 years) admitted to a geriatric unit. The primary endpoint was the ID prevalence defined as: serum ferritin < 100 µg/L and/or transferrin saturation coefficient (TSAT) < 20%. The Short Physical Performance Battery (SPPB) test was used to identify older patients at high risk of adverse events (e.g., disability, falls, hospitalization, death).
RESULTS: A total of 888 patients (mean age, 85.2 years; women, 63.5%) from 16 French centers were included from October 2022 to December 2022. The prevalence of ID was 57.6% (95% CI, 54.3-60.9) in the cohort of older patients (62.6% in anemic and 53.3% in non-anemic patients; p = 0.0062). ID prevalence increased significantly with the presence of more than three comorbidities (65.6% vs. 55.9%; p = 0.0274), CRP ≥ 12 mg/L (73.0% vs. 49.3%; p < 0.001) and treatment that may influence ID/anemia (60.5% vs. 49.6%; p = 0.0042). In multivariate analysis, only CRP ≥ 12 mg/L was an independent predictive factor of ID (odds ratio, 2.78; 95% CI, 1.92-4.08; p < 0.001). SPPB scores were low (0-6) in 60.5% of patients with ID versus 48.6% of patients without ID (p = 0.0076).
CONCLUSION: More than half of older patients had ID, including non-anemic patients. ID was associated with the presence of inflammation and a low SPPB score.
TRIAL REGISTRATION: NCT05514951.
METHODS: The CARENFER PA study was a French multicenter cross-sectional study whose objective was to evaluate ID in patients (> 75 years) admitted to a geriatric unit. The primary endpoint was the ID prevalence defined as: serum ferritin < 100 µg/L and/or transferrin saturation coefficient (TSAT) < 20%. The Short Physical Performance Battery (SPPB) test was used to identify older patients at high risk of adverse events (e.g., disability, falls, hospitalization, death).
RESULTS: A total of 888 patients (mean age, 85.2 years; women, 63.5%) from 16 French centers were included from October 2022 to December 2022. The prevalence of ID was 57.6% (95% CI, 54.3-60.9) in the cohort of older patients (62.6% in anemic and 53.3% in non-anemic patients; p = 0.0062). ID prevalence increased significantly with the presence of more than three comorbidities (65.6% vs. 55.9%; p = 0.0274), CRP ≥ 12 mg/L (73.0% vs. 49.3%; p < 0.001) and treatment that may influence ID/anemia (60.5% vs. 49.6%; p = 0.0042). In multivariate analysis, only CRP ≥ 12 mg/L was an independent predictive factor of ID (odds ratio, 2.78; 95% CI, 1.92-4.08; p < 0.001). SPPB scores were low (0-6) in 60.5% of patients with ID versus 48.6% of patients without ID (p = 0.0076).
CONCLUSION: More than half of older patients had ID, including non-anemic patients. ID was associated with the presence of inflammation and a low SPPB score.
TRIAL REGISTRATION: NCT05514951.