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Ranitidine for prevention of postoperative suppression of delayed hypersensitivity.

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Cell-mediated immunity was assessed by skin testing with seven delayed-type common antigens in 20 patients undergoing major abdominal surgery and in 20 nonoperative control subjects. The 20 surgical patients were randomized to perioperative ranitidine (50 mg every 6 hours for 72 hours) or no ranitidine. The 20 control subjects received either no ranitidine or ranitidine in the same dosage as the surgical patients. Skin tests were performed 2 days before and 1 day after operation with the same time schedule in the control subjects. Postoperatively, the diameter of the positive skin test area decreased in each of 10 patients without ranitidine (p less than 0.006) but increased in 9 and was unchanged in 1 of the ranitidine-treated patients (p less than 0.01). The skin test changes were similar during the two tests in ranitidine-treated surgical patients and the nonoperative control subjects. Ranitidine did not amplify the response in the nonoperated group. The potential role of histamine blockade in reversal of other aspects of postoperative immunosuppression and reduction in the risk of infection should be explored.
Bidragets oversatte titelRanitidine for prevention of postoperative suppression of delayed hypersensitivity.
OriginalsprogEngelsk
TidsskriftAmerican Journal of Surgery
Vol/bind157
Udgave nummer3
Sider (fra-til)291-294
Antal sider4
ISSN0002-9610
StatusUdgivet - 1989

ID: 32517499