II. Epidemiology

  1. Nephropathy occurs in 20% of SCA and is the most common complication of Sickle Cell Anemia
  2. Hematuria presents typically at age 20 to 30 years old
  3. Painless Gross Hematuria may also occur with Sickle Cell Trait

III. Pathophysiology

  1. Chronic RBC sickling results in renovascular Occlusion with secondary repeated ischemia and infarction
  2. Hematuria results from necrosis of tip of renal papillae and Medullary infarction

IV. Findings

  1. Gross, Painless Hematuria
  2. Renal Colic pain and Costovertebral Angle Tenderness may occur
  3. Fever may occur

V. Diagnosis

  1. Rule out other causes of Gross Hematuria

VI. Management

  1. Hematuria does not require hospitalization
  2. Aminocaproic Acid (EACA)

VII. Course

  1. Gross, Painless Hematuria often continues for weeks
  2. Hematuria typically resolves spontaneously

VIII. Complications

  1. End Stage Renal Disease
    1. May progress from extensive and repeated vaso-Occlusion
  2. Urinary Tract Infection
    1. Higher risk for Cystitis or Pyelonephritis

IX. References

  1. Dwyer, Kleinmann, Goswami and Lopez (2025) Crit Dec Emerg Med 39(1): 26-35

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