Efficacy of High-Dose Trimethoprim-Sulfamethoxazol Prophylaxis on Early Urinary Tract Infection After Renal Transplantation

H. T. Khosroshahi, A. N. Mogaddam, Mohammadali Mohajel Shoja

Research output: Contribution to journalArticle

38 Scopus citations

Abstract

Urinary tract infection (UTI), a major cause of morbidity in renal transplant recipients, has also been found to increase mortality. The first month post-kidney transplantation is considered the critical time, with most UTI episodes during this period. The aim of this study was to compare the efficacy of various doses of trimethoprim-sulfamethoxazole (TMP/SXT) for the prophylaxis of the posttransplant UTI within the first month after kidney transplantation. In a prospective, double-blind, randomized, clinical trial, 95 kidney allograft recipients were divided into two groups: group 1 (n = 63) received low to moderate doses of TMP/SXT (either 80/400 mg or 160/800 mg, daily) and group 2 (n = 32), high doses of TMP/SXT (320/1600 mg, daily in two divided doses). These groups were comparable regarding age, gender, type of donor, and ureteral anastomosis and immunosuppressive therapy. UTI was defined as a urine culture containing more than 105 colonies. The mean age of the patients was 37 ± 12.2 years with a male/female ratio of 0.98/1. The urine culture was positive in 39 patients (41.1%). UTI was more common among female than male patients (P = .003). Escherichia coli was the most common isolated organism in both groups (53.8%). UTI was observed in about 25% of patients on the high-dose versus 49.2% of those on low- to moderate-dose prophylaxis (P < .05). In conclusion, prophylaxis with high-dose TMP/SXT (320/1600 mg, daily) is preferred for renal transplant recipients during the first month posttransplantation.

Original languageEnglish (US)
Pages (from-to)2062-2064
Number of pages3
JournalTransplantation Proceedings
Volume38
Issue number7
DOIs
StatePublished - Sep 1 2006
Externally publishedYes

ASJC Scopus subject areas

  • Surgery
  • Transplantation

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