Analysis of Hematological Indices and Splenectomy Rates in 2,130 Patients with Hemoglobin H Diseases or β-Thalassemia

Author:

Li Yaoyun,Zhang Yaqing,Qin Lang,Shang Hangning,Li Pingping,Xiao Bin,Ye Yuhua,Xu Xiangmin,Zhang Xinhua,Wang Li

Abstract

<b><i>Introduction:</i></b> Splenomegaly and hypersplenism are common complications of thalassemia patients due to the excessive clearance of defective red blood cells from the spleen. To date, splenectomy has been considered one of the most effective treatments for splenomegaly, reducing clinical severity among thalassemia patients. Thus, we aim to investigate the differences in splenectomy rates and hematological indices among thalassemia patients with different genotypes. <b><i>Method:</i></b> In this study, we analyzed the clinical data of thalassemia in 2,130 patients admitted to the 923rd Hospital of the People’s Liberation Army from January 2006 to December 2020, and the statistical software SPSS 26.0 was applied to analyze the data. <b><i>Result:</i></b> Of the 2,130 patients with thalassemia, 265 patients underwent splenectomy. It was determined that significantly more patients with hemoglobin H (HbH) disease, a form of α-thalassemia, have undergone splenectomy than β-thalassemia patients (20% vs. 7%). Further, HbH disease patients were diagnosed at a significantly older age than β-thalassemia patients. <b><i>Conclusion:</i></b> The greater probability of HbH disease patients undergoing splenectomy is likely influenced by multiple factors, including their lower dependency on transfusion, leading to high spleen compensatory stress on the spleen, and the destruction of defective erythrocytes. In contrast, β-thalassemia is clinically more severe and less tolerant of hemoglobin fluctuations. Based on these findings, clinicians are suggested to pay more attention to HbH disease patients as many of them are still under-transfused, which could lead to chronic hemolysis and more severe hepatosplenomegaly. These results might offer insight for improving the clinical management of patients with different types of thalassemia.

Publisher

S. Karger AG

Subject

Hematology,General Medicine

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