effect of melatonin on duration of delirium in organophosphorus compound poisoning patients: a double-blind randomised placebo controlled trial

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ID: 229799
2016
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Ranked #33 of 138 articles by views in Veterinary radiology & ultrasound : the official journal of the American College of Veterinary Radiology and the International Veterinary Radiology Association

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Abstract
Background and Aims: Organophosphate compound poisoning (OPCP) is associated with high incidence of delirium. Melatonin has been tried in the treatment of delirium and has shown a beneficial effect in OPCP. This study was conducted to know the effect of melatonin on duration of delirium and recovery profile in OPCP patients. Methods: Double-blind randomised placebo control trial in which 56 patients of OPCP confirmed by history and syndrome of OPCP with low plasma pseudocholinesterase, aged >18 years and weighing between 50 and 100 kg, and Acute Physiology and Chronic Health Evaluation II score of <20 were studied. Group M (n = 26) received tablet melatonin 3 mg and Group C (n = 30) received placebo tablet at 9 PM, every night throughout the Intensive Care Unit (ICU) stay. Delirium was assessed using the Confusion Assessment Method for ICU, thrice a day. Sedation was provided with injection midazolam, fentanyl and lorazepam. Duration of mechanical ventilation, vital parameters, ICU stay, sedative and atropine requirement, were recorded. Results: The time taken to be delirium free was significantly lower in Group M (6 ± 2.92 days) compared to Group C (9.05 ± 2.75 days) (P = 0.001) and prevalence of delirium was significantly decreased in Group M compared to Group C from day 3 onwards. The requirement of midazolam (Group M - 2.98 ± 4.99 mg/day, Group C - 9.68 ± 9.17 mg/day, P < 0.001) and fentanyl (Group M - 94.09 ± 170.05 μg/day, Group C - 189.33 ± 156.38 μg/day, P = 0.03) decreased significantly in Group M. There was no significant difference in the average atropine consumption (P = 0.27), duration of mechanical ventilation (P = 0.26), ICU stay (P = 0.21) and the number of patients requiring mechanical ventilation (P = 0.50). Conclusion: Orally given melatonin in organophosphate compound poisoning patients reduces the duration of delirium and the requirement of sedation and analgesia.
Reference Key
vijayakumar2016indianeffect Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;H N Vijayakumar;K Ramya;Devika Rani Duggappa;K M Veeranna Gowda;K Sudheesh;S S Nethra;R S Raghavendra Rao
Journal Veterinary radiology & ultrasound : the official journal of the American College of Veterinary Radiology and the International Veterinary Radiology Association
Year 2016
DOI
10.4103/0019-5049.193664
URL
http://www.ijaweb.org/article.asp?issn=0019-5049;year=2016;volume=60;issue=11;spage=814;epage=820;aulast=Vijayakumar
Keywords
delirium melatonin sedationanesthesiology

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