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  • Title: Prevention of postoperative intestinal adhesions with combined promethazine and dexamethasone therapy: experimental and clinical studies.
    Author: Replogle RL, Johnson R, Gross RE.
    Journal: Ann Surg; 1966 Apr; 163(4):580-8. PubMed ID: 5935011.
    Abstract:
    This study, combining experimental and clinical data, attempted to develop methods to prevent formation of adhesions in the highly susceptible infant undergoing abdominal surgery and to inhibit reformation of adhesions after surgical division of those which had appeared after some previous operation. Rats were treated with a combination of dexamethasone (Decadron) and promethazine (Phenergan). This series showed that the inflamma tory phase that follows trauma to intestinal serosa can be minimized and the organization of inflammatory exudate into fibrous adhesions can be delayed with this combination treatment (antihistamine plus adrenal cortex hormones). An addendum notes that so far 81 patients have been treated with the drug combination, and the results are characterized as very satisfactory, with no complications related to treatment. 2 points are emphasized: 1) since adhesion formation begins within minutes of peritoneal trauma, prevention requires a high level of drug saturation at the time of injury; and 2) large doses of drugs are required for maximum benefit. Experimentally, this study used 1 mg/kg of each drug, intramuscularly, 6-3 hours preoperatively, with dose repetetion via intraperitoneal saline as the abdomen is being closed for 2-36 hours postoperatively.
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