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Multidrug-resistant community-acquired urinary tract infections in a northern region of Morocco: epidemiology and risk factors.

Introduction
Urinary tract infection is very common and is the second most frequent reason for consultation in office-based practice. The incidence varies from one country to another. The diffusion of MDR in the community complicates therapeutic management. The objective of this study was to describe the bacterial epidemiology and to determine the risk factors for the acquisition of MDR in community urinary tract infections in our region.


Methods
This was a retrospective case-control study conducted in the bacteriology laboratory of the Mohammed V Military Teaching Hospital over an 8-month period from 01 October 2015 to 31 May 2016. Cases were defined as patients with community-acquired urinary tract infection with MDR and controls were defined as patients with a urinary tract infection without MDR.


Results
Out of 373 isolates, enterobacteria represented 80%. E. coli represented 59.2%, followed by K. pneumoniae at 15%. The rate of MDR represented 13.4% of which ESBL enterobacteria represented 12.1%. Univariate analysis showed a statistically significant association between male sex (p=0.001), age >65 years (p=0.007), urban origin (p=0.003), previous hospitalization within 3 months (p=0.001) and antibiotic therapy within 6 months (p=0.001) with MDR community-acquired urinary tract infection. On the other hand, multivariate analysis by logistic regression showed that age >65 years (OR=8.4, CI: 2.1-42), previous hospitalization within 3 months (OR=13.4, CI: 3.3-140.2) and antibiotic therapy within 6 months (OR=9.2, CI: 4.1-60.1) were significantly associated to MDR community-acquired urinary tract infection.


Conclusions
The increase in resistance to enterobacteria in the community prompts a review of the list of antibiotics prescribed for probabilistic management of these infections in our region.