ArticleBMJ open2025
Hepatic and renal functions of paediatric patients with thalassaemia: a cross-sectional study from two large thalassaemia centres in Sri Lanka.
Article in BMJ open, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectivesThalassaemia is a genetic disorder of haemoglobin synthesis characterised by life-long chronic anaemia. Although the endocrine and cardiac complications of thalassaemia are well-studied, hepatic and renal complications are understudied. This study aims to describe the hepatic and renal functions and to understand their determinants among paediatric patients with β-thalassaemia.
designCross-sectional study.
settingTwo largest thalassaemia centres in Sri Lanka.
participantsAll haematologically confirmed patients with β-thalassaemia aged 1-16 years attending the study sites were recruited between 1 January and 31 March 2023. Data were collected by interviewing parents and patients, performing physical examinations and perusing clinical records.
results72 children (girls 52.8%) were recruited. The mean age was 7.3 years (SD 3.8). A majority (44 (61.1%)) had β-thalassaemia major, while 22 (30.6%) had haemoglobin E β-thalassaemia. 55 children (76.4%) were transfusion dependent. Hepatomegaly was found in 47 (65.3%), while 28 (38.9%) had elevations of both alanine and aspartate transaminases. Haemoglobin E β-thalassaemia type (OR 13.6, 95% CI 2.0 to 92, p=0.008) and high ferritin above 1000 ng/mL (OR 6.2, 95% CI 1.0 to 38, p=0.047) were independent factors associated with high transaminases. 11 (15.5%) patients had an estimated glomerular filtration rate (eGFR) below 90 mL/min. The proportion of children with low eGFR was higher in β-thalassaemia major (23.3%), transfusion-dependent (18.5%) and deferasirox treatment (18.5%) groups.
conclusionsElevation of hepatic transaminases is common among children with thalassaemia, especially among the subset of patients with haemoglobin E β-thalassaemia and those with high ferritin. Milder reductions in eGFR are noted in some patients with transfusion-dependent β-thalassaemia major.
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