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Published on: November 5, 2019
The heart in sickle cell disease
Maria Tsironi1, Athanasios Aessopos
1First Department of Internal Medicine, University of Athens, Medical School, Laiko Hospital, Athens, Greece. gpoyl@otenet.gr
Insights
Sickle cell disease strains the cardiovascular system, increasing oxygen demand and impacting blood vessels. This review examines the ambiguous evidence for specific heart muscle damage in sickle cell anemia patients.
Area of Science:
- Hematology
- Cardiology
- Internal Medicine
Background:
- Sickle cell disease (SCD) is a chronic anemia associated with significant cardiovascular complications.
- Increased tissue oxygen extraction and cardiac output are common physiological responses in SCD.
- Endothelial activation, red blood cell sickling, and vaso-occlusion exacerbate cardiovascular strain.
Purpose of the Study:
- To review the existing literature on cardiac involvement in sickle cell anemia.
- To clarify the evidence regarding specific myocardial lesions attributable to SCD.
Main Methods:
- Literature review of studies investigating cardiac abnormalities in sickle cell disease.
- Analysis of evidence for myocardial pathology in SCD.
Main Results:
- Cardiovascular abnormalities are frequently observed in sickle cell disease.
- The specific nature and extent of myocardial lesions in SCD remain incompletely understood and debated in the literature.
Conclusions:
- Sickle cell disease imposes a significant burden on the cardiovascular system.
- Further research is needed to definitively characterize myocardial lesions in sickle cell anemia.
Abstract:
Cardiovascular abnormalities are often apparent in sickle cell disease, as in other chronic anaemias. Tissue oxygen extraction and cardiac output are increased, while the activated endothelium along with the sickling process and the vaso-occlusion of the small blood vessels strain further the cardiovascular system. Evidence for a specific myocardial lesion attributable to the sickle cell disease is ambiguous through different studies. This article attempts to review the literature about cardiac disease in sickle cell anaemia.
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