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White clot syndrome associated with renal failure
D L Somers1, C Sotolongo, J A Bertolatus
1Department of Internal Medicine, University of Iowa Hospitals and Clinics, Iowa City 52242.
Journal of the American Society of Nephrology : JASN
|August 1, 1993
Summary
Heparin can cause low platelets (heparin-associated thrombocytopenia), leading to dangerous blood clots. This case shows white clot syndrome can also cause acute kidney injury.
Area of Science:
- Cardiovascular Medicine
- Hematology
- Nephrology
Background:
- Heparin is a common anticoagulant used to prevent blood clots.
- A rare but serious complication of heparin therapy is heparin-associated thrombocytopenia (HAT).
- HAT can lead to heparin-induced thrombocytopenia and thrombosis (HITT), also known as white clot syndrome.
Observation:
- White clot syndrome is an immune reaction targeting heparin-platelet complexes.
- This condition can result in severe thromboembolic events, including limb ischemia.
- A specific case presented acute renal failure in a patient with heparin treatment and thrombocytopenia.
Findings:
- The study provides evidence linking white clot syndrome to the observed acute renal failure.
- Antibodies to heparin-platelet complexes are implicated in the pathogenesis.
- This highlights a potential, severe extra-vascular manifestation of HITT.
Implications:
- Early recognition of white clot syndrome is crucial for managing heparin-associated complications.
- Prompt cessation of heparin and alternative anticoagulation are vital.
- Consideration of HITT in patients with unexplained renal failure during heparin therapy is warranted.