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Adherence to European Association of Urology Guidelines on Prophylactic Antibiotics: An Important Step in Antimicrobial Stewardship.

Abstract：

BACKGROUND:The evolution of resistant pathogens is a worldwide health crisis and adherence to European Association of Urology (EAU) guidelines on antibiotic prophylaxis may be an important way to improve antibiotic stewardship and reduce patient harm and costs. OBJECTIVE:To evaluate the prevalence of antibiotic-resistant bacterial strains and health care costs during a period of adherence to EAU guidelines in a tertiary referral urologic institution. DESIGN, SETTING, AND PARTICIPANTS:A protocol for adherence to EAU guidelines for antibiotic prophylaxis for all urologic procedures was introduced in January 2011. Data for 3529 urologic procedures performed between January 2011 and December 2013 after protocol introduction were compared with data for 2619 procedures performed between January 2008 and December 2010 before protocol implementation. The prevalence of bacterial resistance and health care costs were compared between the two periods. OUTCOME MEASUREMENTS AND STATISTICAL ANALYSIS:The outcome measures were the proportion of resistant uropathogens and costs related to antibiotic consumption and symptomatic postoperative infection. We used χ2 and Fisher's exact tests to test the significance of differences. RESULTS AND LIMITATIONS:The proportion of patients with symptomatic postoperative infection did not differ (180/3529 [5.1%] vs. 117/2619 [4.5%]; p=0.27). A total of 342 isolates from all patients with symptomatic postoperative infections were analysed. The rate of resistance of Escherichia coli to piperacillin/tazobactam (9.1% vs. 5.4%; p=0.03), gentamicin (18.3% vs. 11.2%; p=0.02), and ciprofloxacin (32.3% vs. 19.1%; p=0.03) decreased significantly after protocol introduction. The defined daily dose (DDD) use of ciprofloxacin fell from 4.2 to 0.2 DDD per 100 patient-days after implementation (p<0.001). Antibiotic drug costs (€76,980 vs. €36,700) and costs related to postoperative infections (€45,870 vs. €29,560) decreased following introduction of the protocol (p<0.001). CONCLUSIONS:Adherence to EAU guidelines on antibiotic prophylaxis reduced antibiotic usage without increasing post-operative infection rate and lowered the prevalence of resistant uropathogens. PATIENT SUMMARY:We analysed the impact of adherence to European Association of Urology guidelines on antibiotic prophylaxis for all surgical urologic procedures on the prevalence of infections and resistant bacterial strains and on costs. We found that adherence to the guidelines reduced the rate of bacterial resistance, in particular against piperacillin/tazobactam, gentamicin, and ciprofloxacin, and reduced costs without increasing the risk of postoperative infection after urologic procedures. We recommend adherence to the guidelines as an important part of antibiotic stewardship programmes.

journal_name

Eur Urol

journal_title

European urology

authors

Cai T,Verze P,Brugnolli A,Tiscione D,Luciani LG,Eccher C,Lanzafame P,Malossini G,Wagenlehner FM,Mirone V,Bjerklund Johansen TE,Pickard R,Bartoletti R

doi

10.1016/j.eururo.2015.05.010

subject

Has Abstract

pub_date

2016-02-01 00:00:00

pages

276-83

issue

eissn

0302-2838

issn

1873-7560

pii

S0302-2838(15)00412-1

journal_volume

pub_type

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Adherence to European Association of Urology Guidelines on Prophylactic Antibiotics: An Important Step in Antimicrobial Stewardship.