Cholesterol crystal embolization to the digestive system: characterization of a common, yet overlooked presentation

Shomron Ben-Horin1, Eytan Bardan, Iris Barshack

  • 1Department of Medicine F, Sheba Medical Center, Tel Hashomer, and Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel.

Insights

Cholesterol crystal embolism (CCE) frequently affects the digestive system, often presenting with abdominal pain and GI bleeding. Early consideration of CCE is crucial in patients with atherosclerosis and recent vascular procedures.

Area of Science:

  • Cardiovascular Medicine
  • Gastroenterology
  • Pathology

Background:

  • Cholesterol crystal embolism (CCE) is a systemic condition affecting multiple organs.
  • The digestive system is the third most commonly affected system in CCE but is underrepresented in medical literature.
  • This study aims to clinically characterize digestive system involvement in CCE.

Observation:

  • A 7-year review identified 14 CCE cases, with 5 (36%) involving the digestive system.
  • All affected patients had established atherosclerosis; precipitating factors included vascular manipulations or anticoagulation.
  • Manifestations ranged from acute multiorgan failure to chronic gastrointestinal (GI) disease.

Findings:

  • Common GI symptoms included abdominal pain, GI bleeding, fever, and diarrhea.
  • Pathological findings involved bowel infarction, mucosal ulcerations, hepatocellular dysfunction, and pancreatitis.
  • CCE presents with diverse clinical manifestations, impacting the GI tract significantly.

Implications:

  • CCE should be considered in gastroenterological patients with atherosclerosis, especially after vascular procedures or anticoagulation.
  • Recognizing CCE's GI manifestations can lead to earlier diagnosis and management.
  • Further research is needed to fully understand CCE's impact on the digestive system.

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