ABSTRACT
Objective To describe the analgesic effect of low-flow rate oxygen inhalation with intravenous mannitol injection for patients after nasal operation and seek for effective method for allevia-tion of pain.Methods 160 patients were divided into group A,B,C and D with 40 cases in each group.Group A received intravenous injection of 125 ml of 20%mannitol and group B got low-flow rate oxygen inhalation through nasal canulas.While group C were given the combination of treatment in that of group A and group B.Group D was named the control group and only adopted routine nursing.The pain alleviation effect was observed by McGill pain evaluation method.Results The score of pain in group C was lower than those in group A and B.While the scores of pain in group A and B were lower than that in group D(P<0.01).Conclusion The nasal swelling in group C lightened compared with those of group B (P<0.01)and group A(P<0.05).The nasal swelling in group A was lighter than that of group D but no difference Was seen between group B and group D