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Heparin-induced Anaphylaxis shock.

Anas Mohamed1, Amro Abdelrahman1, Khalid Y Fadul1

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This summary is machine-generated.

A rare case of anaphylaxis, a severe allergic reaction, was triggered by heparin in a patient undergoing hemodialysis for end-stage renal disease. Early recognition and management are crucial for this potentially fatal condition.

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Area of Science:

  • Medicine
  • Allergy and Immunology
  • Nephrology

Background:

  • Anaphylaxis is a life-threatening condition requiring prompt diagnosis and management.
  • Immediate-type hypersensitivity reactions to heparin are exceptionally rare, with few documented cases.
  • End-stage renal disease (ESRD) patients on hemodialysis are particularly vulnerable to various complications.

Purpose of the Study:

  • To report a rare case of heparin-induced anaphylaxis in a patient undergoing hemodialysis.
  • To highlight the importance of considering heparin as a potential trigger for anaphylaxis in susceptible patients.
  • To contribute to the limited literature on heparin-induced anaphylaxis.

Main Methods:

  • Case report of a 53-year-old male patient with ESRD on hemodialysis.
  • Observation of a severe reaction minutes after the administration of a taurolidine/heparin lock.
  • Clinical assessment and management including epinephrine, hydrocortisone, and diphenhydramine.

Main Results:

  • The patient experienced rapid onset of anaphylaxis symptoms including vomiting, restlessness, severe hypotension, urticarial hives, and rash.
  • Initial intramuscular epinephrine was ineffective, necessitating an epinephrine infusion for stabilization.
  • The patient stabilized after receiving emergency medical treatment, with heparin-induced anaphylaxis presumed.

Conclusions:

  • This case adds to the scarce documented instances of heparin-induced anaphylaxis.
  • Healthcare providers should maintain vigilance for heparin as a potential cause of anaphylaxis, especially in hemodialysis patients.
  • Further research is warranted to elucidate the mechanisms underlying this rare hypersensitivity reaction.