Purpose
We estimated the prevalence of fluoroquinolone resistant Escherichia coli in patients undergoing repeat transrectal ultrasound guided prostate needle biopsy and identified high risk groups.
Materials and Methods
From January 2009 to March 2010 rectal swabs of 136 men from 3 institutions undergoing transrectal ultrasound guided prostate needle biopsy were obtained. There were 33 men with no previous biopsy who served as the controls. Participants completed questionnaires and rectal swab culture was obtained just before performing the prostate biopsy. Selective media was used to specifically isolate fluoroquinolone resistant E. coli and sensitivities were obtained. The patients were contacted via telephone 7 days after the procedure for a followup questionnaire.
Results
A total of 30 patients had cultures positive for fluoroquinolone resistant bacteria for an overall rate of 22% (95% CI 15, 29). Patients with diabetes and Asian ethnicity had higher risks of resistant rectal flora colonization (OR 2.3 and 2.8, respectively). However, differences did not reach statistical significance (p = 0.09 and p = 0.08, respectively). Patients with no prior biopsy had a positive rate of 15% (5 of 33) compared to 24% (25 of 103) in those with 1 or more prior biopsies (OR 1.8, p = 0.27). Five patients (3.6%) had post-biopsy fever while only 1 of those patients had a positive rectal swab.
Conclusions
Using selective media to isolate fluoroquinolone resistant E. coli from the rectum before transrectal ultrasound guided prostate biopsy, we isolated organisms in 22% of patients with a wide resistance pattern. This protocol may be used to provide information regarding targeted antibiotic prophylaxis before transrectal prostate biopsies.
We reviewed 82 consecutive infertile men with varicoceles and 1 teenage boy with a painful varicocele, all of whom underwent a total of 111 internal spermatic vein ligations (55 unilateral and 28 bilateral) by the suprainguinal approach (Palomo method). Of these patients 3 who underwent unilateral and 3 bilateral internal spermatic vein ligations subsequently suffered a total of 8 hydroceles after an average postoperative interval of 18.2 months. The protein concentration of the hydrocele fluid in the 2 most recent patients was consistent with lymphatic obstruction.
The targeted prophylaxis protocol enabled physicians to avoid using more than 1 broad-spectrum empirical antibiotic while simultaneously achieving an overall rate of sepsis similar to the rate seen with empirical prophylaxis.
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