Prevention of Nausea and Vomiting with Tandospirone in Adults After Tympanoplasty

We have hypothesized that the 5-hydroxytrypta-mine-1A receptor agonist tandospirone reduces postoperative nausea and vomiting (PONV). In a double-blinded, randomized design, 3 groups of 30 patients each received 1 of the following oral medications 90 min before arrival in the operating room, together with famotidine 20 mg: 1) placebo (P group), 2) tandospirone 10 mg (T10 group), or 3) tandospirone 30 mg (T30 group). Standard anesthetic regimens and techniques were applied for all patients. All episodes of PONV were recorded during the following time intervals: 0–3 h and 3–24 h after the end of general anesthesia. The incidence of a complete response, defined as no PONV and no need for other rescue antiemetics, was significantly more frequent in the T30 group than in the P group during 0–24 h (P = 0.019), especially during 3–24 h (P = 0.007) after general anesthesia. In conclusion, premedication with oral tandospirone is effective against PONV in patients undergoing tympanoplasty under general anesthesia.

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