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Hydroxocobalamin Administration After Inhalation Injury Is Not Associated With Mesenteric Ischemia.

A J Engwall1, A Blache2, A Lintner2

  • 1Michigan State University, Lansing, Michigan, USA.

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PubMed
Summary
This summary is machine-generated.

Hydroxocobalamin is a safe cyanide antidote. This study found no increased risk of acute mesenteric ischemia (AMI) in burn patients receiving hydroxocobalamin, despite prior concerns.

Keywords:
acute mesenteric ischemiacyanide toxicityhydroxocobalamininhalation injury

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Area of Science:

  • Emergency Medicine
  • Toxicology
  • Burn Care

Background:

  • Hydroxocobalamin is an established antidote for cyanide toxicity, a common complication of smoke inhalation.
  • A recent study suggested a potential link between hydroxocobalamin and acute mesenteric ischemia (AMI) in critically ill patients.
  • No contraindications currently exist for hydroxocobalamin use.

Purpose of the Study:

  • To investigate the potential correlation between hydroxocobalamin administration and the development of AMI in adult burn patients.
  • To characterize the risk of AMI associated with hydroxocobalamin in this patient population.

Main Methods:

  • Retrospective review of adult burn patients administered hydroxocobalamin over a two-year period.
  • Data collection included injury characteristics, demographics, and outcomes, specifically focusing on the presence of AMI.
  • AMI was defined by CT scan findings (pneumatosis, perforation) or laparotomy results (necrotic bowel).

Main Results:

  • The study included 17 patients with confirmed inhalation injuries.
  • None of the patients who received hydroxocobalamin exhibited signs of AMI, including pneumatosis/perforation on CT or necrotic bowel.
  • Patients had a median age of 60, TBSA of 8.5%, and ABSI of 6.

Conclusions:

  • Based on this study, hydroxocobalamin administration does not appear to increase the risk of acute mesenteric ischemia in adult burn patients.
  • Further research may be warranted, but current findings suggest hydroxocobalamin remains a safe antidote for cyanide toxicity.