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Liver involvement in sickle cell disease
Emel Gürkan1, Yilmaz Ergun, Suzan Zorludemir
1Department of Hematology, Cukurova University, School of Medicine, Adana, Turkey. egurkan@cu.edu.tr
Summary
Sickle cell disease patients often experience liver dysfunction due to multiple factors. Iron overload and viral hepatitis are key contributors to chronic liver injury in these individuals.
Area of Science:
- Hepatology
- Hematology
- Internal Medicine
Background:
- Sickle cell disease (SCD) can lead to liver complications from the disease itself or secondary causes like iron overload, viral hepatitis, and gallstones.
- Evaluating hepatic dysfunction and its causes in SCD patients is crucial for management.
Purpose of the Study:
- To determine the frequency of liver dysfunction in sickle cell disease patients.
- To identify the etiological factors contributing to liver involvement in sickle cell disease.
Main Methods:
- Clinical and laboratory investigations were performed on 48 SCD patients.
- Included liver function tests, viral hepatitis serology, abdominal ultrasonography, and liver biopsies in 13 patients.
Main Results:
- All biopsy specimens showed intrasinusoidal sickling and Kupffer cell hyperplasia.
- Hepatomegaly was universal; 27% had abnormal liver function tests. Gallstones occurred in 35%.
- Hemosiderosis was a significant finding; viral hepatitis markers were present in several patients.
Conclusions:
- Chronic liver injury in sickle cell disease is multifactorial.
- Overlapping factors, primarily iron overload and viral damage, are major contributors.
- The primary disease itself is less likely to be the sole cause of liver injury.