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[Blue toe syndrome--a rare but possible complication of anticoagulant therapy]

Juha Varis1, Kristiina Kuusniemi, Maija Heiro

  • 1TYKS:n sisätautien klinikka, Turku.

Duodecim; Laaketieteellinen Aikakauskirja
|July 16, 2011
PubMed

Insights

Cholesterol microembolization syndrome (CMS) is a multiorgan ischemic disorder caused by cholesterol crystals blocking small vessels. Patients on anticoagulants with toe symptoms require examination for potential CMS.

Area of Science:

  • Vascular Medicine
  • Cardiology
  • Nephrology

Background:

  • Cholesterol microembolization syndrome (CMS) is a serious condition affecting multiple organs.
  • It arises from cholesterol crystals obstructing small blood vessels, originating from atherosclerotic plaques.

Observation:

  • The clinical presentation of CMS depends on where the cholesterol crystals travel.
  • Distribution to the lower extremities characteristically results in a "blue toe" appearance.

Findings:

  • Vascular procedures can dislodge cholesterol crystals, triggering CMS.
  • Continuous anticoagulant therapy is also identified as a predisposing factor for CMS.

Implications:

  • CMS requires careful consideration in patients undergoing vascular procedures.
  • Prompt evaluation of minor toe symptoms in patients on anticoagulants is crucial for diagnosing CMS.

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