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, 85 (10), 831-3

Leg Ulcers in Sickle Cell Disease

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Leg Ulcers in Sickle Cell Disease

Caterina P Minniti et al. Am J Hematol.

Abstract

Sickle cell disease is a single amino acid molecular disorder of hemoglobin leading to its pathological polymerization, red cell rigidity that causes poor microvascular blood flow, with consequent tissue ischemia and infarction. The manifestations of this disease are protean.Among them, leg ulcers represent a particularly disabling and chronic complication, often associated with a more severe clinical course.Despite the fact that this complication has been recognized since the early times of SCD, there has been little improvement in the efficacy of its management and clinical outcome over the past 100 years. Recently, vasculopathic abnormalities involving abnormal vascular tone and activated, adhesive endothelium have been recognized as another pathway to end organ damage in sickle cell disease. Vasculopathy of sickle cell disease has been implicated in the development of pulmonary hypertension, stroke, leg ulceration and priapism, particularly associated with hemolytic severity, and reported in other severe hemolytic disorders. The authors present the proceedings from the Educational Session on Chronic leg ulcers in Sickle cell disease, held during the 4th Annual Sickle Cell Disease Research and Educational Symposium, on February 17, 2010 in Fort Lauderdale, Fla.

Figures

Figure 1
Figure 1
Prevalence of elevated TRV among study participants by History of leg ulcers. P value from chi-square test of independence between grouped TRV and history of leg ulcers (yes/no).
Figure 2
Figure 2
Kaplan-Meier Survival Curve by History of leg ulcers.

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