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Association between severe acute malnutrition in childhood and hematological disorders in adulthood: the Lwiro follow-up study in the Eastern Democratic Republic of the Congo

Article scientifique 2023 Anglais

Résumé

BACKGROUND: Despite growing evidence on the short-term deleterious effects of severe acute malnutrition (SAM) in childhood on hematopoiesis, little is known about the long-term hematological effects of SAM in low-income countries (LICs). Our study explored the association between childhood SAM and hematological disorders in adults 11 to 30 years after post-SAM nutritional rehabilitation. METHODS: This follow up study investigated 97 adults (mean age 32 years) treated for SAM during childhood in eastern Democratic Republic of the Congo (DRC) between 1988 and 2007. Participants were compared to 97 aged- and sex-matched adult controls living in the same community with no history of SAM. Outcomes of interest were hematological characteristics and disorders in adulthood, assessed by various biological markers. Logistic and linear regression models were used to estimate the association between SAM in childhood and risk of hematological abnormalities. RESULTS: ) [11.9 (8.1 to 17.9), p = 0.038] even after adjustment for food consumption in adulthood. No difference was observed in red blood cells (RBC), hemoglobin and erythrocytes parameters. With regard to the risk of hematological disorders, in contrast to the unexposed, exposed subjects had a risk of leukocytosis approximately three times higher [adjusted OR (95% CI): 2.98 (1.01 to 8.79), p = 0.048]. No difference was observed in terms of anemia, leukopenia, increased platelets and thrombocytopenia between the 2 groups. CONCLUSION: Adults with a history of SAM in childhood have hematological characteristics that would be markers associated with chronic low-grade inflammatory or infectious diseases in an environment with no nutritional transition. Larger cohort studies with bone marrow analyses could provide further understanding of the impact of SAM on the overall hematological profile in adult life.

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Bedha, A., Shindano, T., Hermans, M., Havelange, V., Makali, S., Minani, J., Ngaboyeka, G., Kunaba, E., Donnen, P., Dramaix, M., Bisimwa, G., Mwene‐Batu, P. (2023). Association between severe acute malnutrition in childhood and hematological disorders in adulthood: the Lwiro follow-up study in the Eastern Democratic Republic of the Congo. https://doi.org/10.1186/s40795-023-00783-0

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Auteur(s)

Aline Bedha Tony Akilimali Shindano Michel P. Hermans Violaine Havelange Samuel Lwamushi Makali Jimmy Minani Gaylord Ngaboyeka Edwige Kunaba Philippe Donnen M. Dramaix Ghislain Bisimwa Pacifique Mwene‐Batu

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