- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03501901
Urinary Tract Infections Caused by ESBL-producing Enterobacteria
Characteristics of Hospital- and Community-acquired Urinary Tract Infections Caused by ESBL-producing Enterobacteria in a Tertiary-care Hospital
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
The aim of this study was to compare the etiologic agents, the antimicrobial resistance rates, and the risk factors associated with a HA-UTI and CA-UTI among complicated and uncomplicated UTI patients in a tertiary-care hospital in Mexico.
This study was performed according to the principles expressed in the Declaration of Helsinki with the approval of the Local Ethics Committee of the School of Medicine of the Universidad Autónoma de Nuevo León (UR14-004).
All patients with a UTI and a positive urine culture (> 100,000 UFC/mL) from March to October 2015 were included. The study was carried out at the Hospital Universitario "Dr. José Eleuterio González" hospital, a tertiary-care teaching hospital in Monterrey, Mexico. This hospital has 500 beds, serves a population of approximately 5 million people, and has an average of 250,000 medical consultations and 22,000 hospitalizations annually.
A UTI was defined as the presence of symptoms related to the urinary tract, pyuria (≥10 leucocytes per high-power field) and a positive urine culture (≥105 CFU/mL) of one uropathogen according to the guidelines of the Infectious Diseases Society of America (IDSA) and the European Association of Urology (EAU). Patients with urine cultures with significative counts of two or more bacterial species were excluded.
Patients' charts were reviewed for clinical and demographic characteristics. The classification of UTIs as either complicated or uncomplicated, and hospital-acquired or community-acquired, was based on the IDSA and EAU criteria. Cases which could not be classified due to insufficient clinical information were excluded.
Urine cultures were performed according to standard protocols. Species identification of all isolates was performed using MALDI-TOF mass spectrometry (Microflex, Bruker Daltonics, Billerica, MA). The drug resistance profile of all E. coli isolates was determined using the broth microdilution method for gentamicin, amoxicillin-clavulanic acid, aztreonam, ceftriaxone, ertapenem, ciprofloxacin, levofloxacin, nitrofurantoin, trimethoprim/sulfamethoxazole, and colistin; except fosfomycin, in which the agar dilution method was used. The results were interpreted according to the Clinical and Laboratory Standards Institute (CLSI) criteria.
Multidrug resistance (MDR) was defined as non-susceptibility to at least one agent in three or more antimicrobial categories. All isolates with resistance to at least one third-generation cephalosporin were evaluated for production of ESBL in E. coli using the double-disc test according to the CLSI.
Categorical variables were expressed as frequencies and percentages. Numerical variables were expressed as a mean and standard deviation. Clinical and demographic characteristics were analyzed using the χ2 test for categorical variables and the t-test (or Mann-Whitney test in the absence of normal distribution) for continuous variables. Statistical significance was set at p <0.05. Statistical analysis was performed with the SPSS software version 20.0 (IBM Corp, Armonk, NY).
Study Type
Enrollment (Actual)
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria:
- All patients (> 18 years old) with a UTI and a positive urine culture (> 100,000 UFC/mL) from March to October 2015 were included
Exclusion Criteria:
-
Study Plan
How is the study designed?
Design Details
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Antibiotic resistance
Time Frame: 7 month
|
Antibiotic resistance test were perfomed to all Escherichia coli isolates
|
7 month
|
Collaborators and Investigators
Collaborators
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- UR14-004
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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