Related Experiment Video
Updated: Jul 13, 2026

Recurrent Escherichia coli Urinary Tract Infection Triggered by Gardnerella vaginalis Bladder Exposure in Mice
Published on: December 4, 2020
Urea-splitting urinary tract infection contributing to hyperammonemic encephalopathy
Maarten Albersen1, Steven Joniau, Hein Van Poppel
1Department of Urology, University Hospital Leuven, Leuven, Belgium.
Severe neurological symptoms were caused by high ammonia levels (hyperammonemia) due to a urinary tract infection. Prompt treatment of the infection and ammonia levels is crucial for recovery.
Area of Science:
- Urology
- Neurology
- Infectious Diseases
Background:
- Presents a case study of severe neurological sequelae.
- Highlights the link between urinary tract infections (UTIs) and hyperammonemia.
- Focuses on UTIs caused by urea-splitting bacteria.
Observation:
- Patients presented with severe neurological symptoms.
- Hyperammonemia was identified as the underlying cause.
- The condition was secondary to a urinary tract infection.
Findings:
- Diagnostic investigations included blood analysis, urinalysis, urine culture, abdominal ultrasonography, cystography, and CT scans.
- Confirmed hyperammonemia resulting from urinary tract infection with urea-splitting bacteria.
- Management involved urinary tract desobstruction, bladder/pouch rinsing, antibiotics, and nitrogen load reduction.
Implications:
- Emphasizes the importance of identifying and treating urea-splitting bacterial UTIs to prevent neurological complications.
- Suggests a multidisciplinary approach for managing hyperammonemia secondary to UTIs.
- Underscores the need for prompt diagnosis and intervention to improve patient outcomes.
Related Concept Videos
Urea Cycle
Hepatic Encephalopathy
Urinary Tract Infection II: Pathophysiology
Urinary Tract Infection I: Introduction
Urinary Tract Infection III: Diagnostic Studies and Interprofessional Care
Microbiota of the Urogenital Tract

