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Complicated urinary tract infections
1Department of Urology, School of Medicine, University of Thessaly, Larisa, Greece. melekos@med.uth.gr
Abstract:
The term complicated urinary tract infection is usually used to convey an infection that occurs in a patient with a structural or functional abnormality impeding urine flow, or in a host with altered defences. The distinction between complicated and uncomplicated infections is important because, when complicating factors are present, antimicrobial resistance is more common and the response to therapy is often disappointing, even with agents active against the causative microbial pathogen. In addition, severe complications frequently occur which may lead to urosepsis, renal scarring or even end-stage disease. Drug treatment of complicated urinary tract infections often must be complemented with endoscopic and/or surgical intervention. Only a few well designed treatment studies have been published and therefore sources for definitive therapeutic guidelines remain inadequate.
Insights
Complicated urinary tract infections (cUTIs) occur with urinary abnormalities or weakened defenses, leading to higher antimicrobial resistance and disappointing treatment outcomes. Effective management often requires combined drug therapy with surgical interventions due to inadequate treatment guidelines.
Area of Science:
- Urology
- Infectious Diseases
- Pharmacology
Background:
- Complicated urinary tract infections (cUTIs) are defined by underlying urinary tract abnormalities or host defense issues.
- These infections present unique challenges, including increased antimicrobial resistance and poorer treatment responses compared to uncomplicated UTIs.
- Potential severe complications include urosepsis, renal scarring, and end-stage renal disease.
Purpose of the Study:
- To highlight the clinical significance of distinguishing between complicated and uncomplicated urinary tract infections.
- To underscore the challenges in treating cUTIs due to factors like antimicrobial resistance and treatment response.
- To emphasize the need for comprehensive management strategies beyond pharmacotherapy.
Main Methods:
- Review of existing literature on complicated urinary tract infections.
- Analysis of factors contributing to treatment challenges and complications.
- Discussion of current therapeutic approaches and their limitations.
Main Results:
- Complicating factors in UTIs are associated with higher rates of antimicrobial resistance.
- Treatment responses for cUTIs are often suboptimal, even with appropriate antimicrobial agents.
- Severe outcomes such as urosepsis and renal damage are frequent complications.
Conclusions:
- Distinguishing cUTIs is crucial for appropriate patient management.
- Pharmacological treatment of cUTIs frequently necessitates adjunctive endoscopic or surgical interventions.
- There is a significant need for more robust clinical studies to establish definitive therapeutic guidelines for cUTIs.