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1: J Am Coll Cardiol. 2005 May 3;45(9):1513-6.Click here to read Links
Comment in:
J Am Coll Cardiol. 2006 Feb 7;47(3):690-1; author reply 691.

Cardiovascular manifestations of moderate to severe carbon monoxide poisoning.

Satran D, Henry CR, Adkinson C, Nicholson CI, Bracha Y, Henry TD.

Division of Cardiology, University of Minnesota, Minneapolis, Minnesota, USA.

OBJECTIVES: We describe the cardiovascular manifestations of carbon monoxide (CO) poisoning. BACKGROUND: Carbon monoxide poisoning is a common cause of toxicologic morbidity and mortality. Although the neurologic sequelae of CO poisoning have been well described, the cardiovascular consequences are limited to isolated case reports. METHODS: We reviewed the cardiovascular manifestations of 230 consecutive patients treated for moderate to severe CO poisoning in the hyperbaric oxygen chamber at Hennepin County Medical Center (HCMC), a regional center for treatment of CO poisoning. RESULTS: The mean age was 47.2 years with 72% men. Ischemic electrocardiogram (ECG) changes were present in 30% of patients, whereas only 16% had a normal ECG. Cardiac biomarkers (creatine kinase-MB fraction or troponin I) were elevated in 35% of patients. In-hospital mortality was 5%. CONCLUSIONS: Cardiovascular sequelae of CO poisoning are frequent, with myocardial injury assessed by biomarkers or ECG in 37% of patients. Patients admitted to the hospital with CO poisoning should have a baseline ECG and serial cardiac biomarkers.

PMID: 15862427 [PubMed - indexed for MEDLINE]