Journal of The Korean Society of Clinical Toxicology (대한임상독성학회지)

Korean society of Clincal Toxicology (대한임상독성학회)
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Enteral nutrition in mechanically ventilated patients after organophosphate poisoning

  • Sang U Bark (Department of Emergency Medicine, Chonnam National University Hospital) ;
  • Jeong Mi Moon (Department of Emergency Medicine, Chonnam National University Medical School) ;
  • Byeng Jo Chun (Department of Emergency Medicine, Chonnam National University Hospital)
  • Received : 2024.01.06
  • Accepted : 2024.02.08
  • Published : 2024.06.30
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Abstract

Purpose: Nutritional therapy is a crucial component of therapy for critically ill patients, but there is a lack of nutritional support guidelines for organophosphate (OP) poisoning, likely due to the gastrointestinal effects of atropine, the main antidote for OP. This study investigated whether enteral nutrition (EN) during atropinization is acceptable for mechanically ventilated patients after OP poisoning. Methods: This retrospective study classified 82 patients with OP poisoning according to whether they were fed during atropinization while on mechanical ventilation (MV). Data on the baseline characteristics, nutritional support, and clinical outcomes were compared. Univariate and multivariate regression models were constructed to analyze the associations between atropine administration for OP poisoning and feeding intolerance-related EN after adjustment for risk factors. Results: Eighty-two patients received EN after 72 hours on MV, and 40 of them simultaneously received 2 mg/hr atropine for the first 120 hours after EN initiation. The overall incidence of feeding intolerance was 57.3% during the first 12 days after EN initiation and did not differ according to atropine administration. Appropriate atropinization during EN in regression model 1 and the dosage of atropine administered during EN and the duration of EN during atropinization in model 2 were not associated with feeding intolerance in patients on MV after OP poisoning. Conclusion: Appropriate atropinization is not associated with feeding intolerance after EN provision in patients on MV after OP poisoning. This study will help establish nutritional guidelines for OP poisoning patients. More research on nutritional support is needed to validate our results.

Keywords

References

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