Advantages of Reduced Prophylaxis after Tubularized Incised Plate Repair of Hypospadias


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Abstract

Purpose:Concerns about antibiotic resistance, adverse drug reactions and questionable medical benefits have led to changes in prophylactic antibiotic management in hypospadias repair at our clinic. In March 2010 our guidelines were changed from continuous prophylaxis for 14 days to 1 dose preoperatively and another at removal of the stent. We analyze the effects of this new regimen.Materials and Methods:We performed a prospective journal cohort study of all our hypospadias operations from June 2008 to December 2011. We collected data from consecutive patients undergoing primary tubularized incised plate repair and postoperative stent. Patients operated on before March 2010 were compared to those operated on later. End points were postoperative infection requiring antibiotics and any complication that required redo surgery.Results:The study included 113 primary tubularized incised plate repairs with postoperative stents. Patient distribution was the same in both groups. Of 58 patients in the group receiving continuous antibiotic prophylaxis 17 had a complication and/or infection, compared to 9 of 55 patients receiving 2-dose prophylaxis. The infection rate was 5% in the continuous prophylaxis group and 4% in the 2-dose group. In contrast to our expectations, a lower complication rate was observed in the group with lower antibiotic dose without an increased risk of infection.Conclusions:There is little documented evidence concerning benefits of antibiotic prophylaxis for postoperative complications, which gives rise to large variations in clinical practice. In our study lower antibiotic dose did not increase the number of infections, but rather decreased complication rates. We advocate antibiotic prophylaxis with only a 2-dose regimen.

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