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  • Title: Morbid obesity impacts mortality in blunt trauma.
    Author: Christmas AB, Reynolds J, Wilson AK, Franklin GA, Miller FB, Richardson JD, Rodriguez JL.
    Journal: Am Surg; 2007 Nov; 73(11):1122-5. PubMed ID: 18092645.
    Abstract:
    Twenty-six per cent of adults in the Unites States are obese and trauma remains a major cause of death. We assessed the impact of morbid obesity on mortality in patients with blunt trauma. We reviewed the records of patients with a body mass index 40 kg/m2 or greater injured by blunt trauma from 1993 to 2003 and compared them with a 4:1 control population with a normal body mass index and matched for sex and constellation of injuries. For comparison, patients were categorized by Injury Severity Score 9 or less or Injury Severity Score 10 or greater. Student t test and chi2 were used for statistical analysis. P < 0.05 was considered significant. One hundred seven morbidly obese patients were identified and compared with 458 control subjects with a normal body mass index and matched for sex and constellation of injuries. Although the morbidly obese patients were found to be significantly younger, those who incurred multiorgan injury experienced a significantly longer hospital length of stay and displayed a greater than fourfold increase in mortality when compared with the control subjects. Furthermore, the number of morbidly obese patients admitted over the 10-year period significantly increased by fourfold (0.4% to 1.5%). Over the last decade, there has been a significant increase in morbidly obese patients cared for in our trauma center. Although these patients were significantly younger with a similar Glasgow Coma Score as that of the control population, morbid obesity significantly increased mortality when the injury from blunt trauma transitioned from a single to a multiorgan injury.
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