Which patients with sickle cell disease (SCD) are at an increased risk for avascular necrosis (AVN)?

Updated: May 12, 2021
  • Author: Joseph E Maakaron, MD; Chief Editor: Emmanuel C Besa, MD  more...
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Vascular occlusion can result in avascular necrosis (AVN) of the femoral or humeral head and subsequent infarction and collapse at either site. AVN of the femoral head presents a greater problem because of weight bearing. Patients with high baseline hemoglobin levels are at increased risk. Approximately 30% of all patients with SCD have hip pathology by age 30 years.

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