Abstract
Sickle hepatopathy is a severe and not rare complication of sickle cell disease (SCD), showing mainly a cholestatic pattern. So far, no effective approaches to prevent or treat this condition have been recognized. We conducted a single-center observational study in 68 adult sickle cell patients, encompassing 17 with sickle cell anemia (SCA), 38 with sickle cell thalassemia (HbS/β-Thal), and 13 with HbSC disease. The aim of our study was to assess liver damage in the three main forms of SCD, through the evaluation of clinical, laboratory, and imaging findings. In our population, the role of hepatotropic viruses, high BMI, and alcohol consumption in liver damage was ruled out. SCA and HbS/β-Thal patients with lower Hb (p < 0.001), higher HbS (p < 0.001), and frequent vaso-occlusive crises showed functional (GGT values: SCA and HbS/β-Thal vs HbSC p = 0.047 and p = 0.009, respectively) and structural liver abnormalities, defined by abdominal ultrasound and vibration-controlled transient elastography (liver stiffness values: SCA and HbS/β-Thal vs HbSC p 0.022 and p 0.19, respectively), more severe than HbSC patients. Through univariate and multivariate analyses, male sex, SCA genotype, lower HbF, frequent transfusions, increased GGT values, and abnormal liver ultrasound and stiffness were identified as potentially early markers of sickle hepatopathy.
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The authors are grateful to all patients and nurses of Rare Diseases Center.
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This study was partially supported by the Italian Ministry of Health and Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico [RC_2019].
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Bortolotti, M., D’Ambrosio, R., Fraquelli, M. et al. Liver damage and sickle cell disease: genotype relationship. Ann Hematol 99, 2065–2072 (2020). https://doi.org/10.1007/s00277-020-04113-3
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DOI: https://doi.org/10.1007/s00277-020-04113-3