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The role of partial splenectomy in children with thalassemia
A H al-Salem1, I al-Dabbous, P Bhamidibati
1Department of Surgery, Qatif Central Hospital, Saudi Arabia.
Insights
Partial splenectomy in children with thalassemia reduced blood transfusion needs. Preserving part of the spleen maintained function and avoided infections, offering a beneficial, temporary solution.
Area of Science:
- Pediatric Surgery
- Hematology
- Genetics
Background:
- Thalassemia necessitates frequent blood transfusions.
- Splenomegaly in thalassemia patients increases transfusion requirements.
- Partial splenectomy is explored to manage transfusion needs.
Purpose of the Study:
- To evaluate the efficacy of partial splenectomy in reducing blood transfusion requirements in pediatric thalassemia patients.
- To assess spleen function and safety post-partial splenectomy.
- To determine optimal candidates for this procedure.
Main Methods:
- Partial splenectomy performed on 12 pediatric patients (9 beta-thalassemia major, 3 Hb H disease).
- Indication: splenomegaly and rapid hemoglobin drop (>0.5 g/week).
- Follow-up ranged from 1.1-5.5 years, assessing transfusion frequency and spleen function.
Main Results:
- Two of three Hb H disease patients achieved transfusion independence; the third had reduced frequency.
- Majority of beta-thalassemia major patients showed decreased transfusion needs, especially in the first 1-2 years.
- Preserved spleen portion (approx. 1/3) remained functional with no significant infections, stable IgM, and no Howell-Jolly bodies.
Conclusions:
- Partial splenectomy is a beneficial option for reducing transfusion burden in pediatric thalassemia.
- Recommended as a primary treatment for Hb H disease.
- Considered a temporary measure for beta-thalassemia major, particularly in younger children (<5 years) due to sepsis risk.
Abstract:
Partial splenectomy was performed on 12 patients with thalassemia (9 beta-thalassemia major and 3 Hb H disease) to reduce blood transfusion requirements. The indication for partial splenectomy was the presence of splenomegaly and increased blood transfusion requirements (i.e. Hb drop > 0.5 g per week). Their ages ranged from 3 to 10 years (mean 6.9 years). On follow-up, ranging from 1.1-5.5 years (mean 2.6 years), two of the three patients with Hb H disease required no more blood transfusions while the third continued to receive blood transfusions, but at a lower frequency. For those with beta-thalassemia major, the transfusion requirements and Hb drop per week decreased in the majority of patients. This is specially so during the first 1-2 years following partial splenectomy. In all, about 1/3 of the size of the normal spleen was preserved (either upper or lower pole) which was judged functional as there has been no significant infection in any of the patients, no change in IgM level, no Howell-Jolly bodies and visualization on scintigraphy. Partial splenectomy is recommended to start with for those with Hb H disease. For patients with beta-thalassemia major, partial splenectomy is beneficial as a temporary measure and in those children who are less than 5 years of age, as they are at greater risk of post splenectomy sepsis.