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Related Concept Videos

Urinary Tract Infection I: Introduction01:26

Urinary Tract Infection I: Introduction

833
Urinary tract infections (UTIs) impact various parts of the urinary system, including the kidneys, ureters, bladder, and urethra. These infections are generally bacterial, with Escherichia coli being the most common causative agent, often originating from the gastrointestinal tract. However, other bacteria, such as Staphylococcus saprophyticus, Klebsiella pneumoniae, and Proteus mirabilis, are also known to cause UTIs. The type, location, and underlying complexity of the UTI guide both...
833
Urinary Tract Infection III: Diagnostic Studies and Interprofessional Care01:30

Urinary Tract Infection III: Diagnostic Studies and Interprofessional Care

368
A healthcare provider can diagnose a urinary tract infection (UTI) through several methods:Medical History and Symptoms: The provider will take a detailed medical history and ask about symptoms such as frequent urination, burning sensation during urination, and lower abdominal pain.Urinalysis: A clean-catch urine sample is collected in a sterile container and tested for the presence of bacteria, white blood cells (leukocytes), nitrites, blood, and protein. The presence of leukocytes and...
368
Urinary Tract Infection II: Pathophysiology01:25

Urinary Tract Infection II: Pathophysiology

899
The pathophysiology of urinary tract infections (UTIs) encompasses several progressive stages, beginning with bacterial colonization and culminating in potential systemic complications if untreated. UTIs are primarily initiated by bacteria, such as Escherichia coli, which often originate from the gastrointestinal tract and migrate to the urinary system through the periurethral area. This migration can occur via several routes, including improper hygiene practices, sexual activity, or...
899
Urinary Tract Infection IV: Nursing Management01:17

Urinary Tract Infection IV: Nursing Management

538
In managing urinary tract infections (UTIs) in nursing, a comprehensive assessment is essential. Begin by gathering subjective data, such as the patient’s complaints of dysuria (painful urination), urinary frequency, urgency, suprapubic pain, and any lower abdominal discomfort. This information can be complemented by questions regarding previous UTIs, sexual activity, and personal hygiene practices, which can provide insight into risk factors. Objective assessment should focus on signs...
538
Disorders of the Urinary System01:20

Disorders of the Urinary System

1.4K
The urinary system is responsible for eliminating waste and excess fluids from the body. However, disorders of the urinary system can arise due to various reasons like infections, stress, age, congenital abnormalities, and lifestyle.
Urinary tract infections (UTIs) are one of the most common urinary system disorders. They are caused by bacteria that enter the urethra and can spread to the bladder resulting in cystitis. Pyelonephritis is the result of a UTI that has ascended to the level of the...
1.4K
Acute Pyelonephritis I: Introduction01:27

Acute Pyelonephritis I: Introduction

856
Pyelonephritis is a bacterial infection that primarily affects the renal parenchyma and collecting system, including the renal pelvis, tubules, and interstitial tissue of one or both kidneys. It can be classified as either acute—a sudden, severe infection—or chronic, which refers to long-term or recurrent kidney infections.The primary cause of acute pyelonephritis (APN) is bacterial infection, with Escherichia coli accounting for approximately 70-80% of cases. Other bacteria, such...
856

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Related Experiment Video

Updated: Feb 28, 2026

Establishment and Characterization of UTI and CAUTI in a Mouse Model
08:40

Establishment and Characterization of UTI and CAUTI in a Mouse Model

Published on: June 23, 2015

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Urinary tract infections in children.

Preeti P John1, Laura Mike2, Indira U Mysorekar3

  • 1The Kidney and Urinary Tract Center, Abigail Wexner Research Institute at Nationwide Children's Hospital, Columbus, OH, USA.

Nature Reviews. Urology
|February 26, 2026
PubMed
Summary

Pediatric bacterial urinary tract infections (UTIs) pose challenges in diagnosis and management. Further research into host-pathogen interactions and microbiota is crucial for preventing recurrence and improving outcomes in children.

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Transurethral Induction of Mouse Urinary Tract Infection
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Area of Science:

  • Pediatric infectious diseases
  • Microbiology
  • Urology

Background:

  • Bacterial urinary tract infections (UTIs) are common in children and adolescents, presenting unique diagnostic and management challenges.
  • Uropathogenic Escherichia coli (UPEC) is the primary cause of UTIs, with ongoing research into host-pathogen interactions and defense mechanisms.
  • The gut, vaginal, and urinary microbiota play a role in UTI risk and recurrence.

Purpose of the Study:

  • To review current knowledge on pediatric UTIs, identify knowledge gaps, and highlight areas for future research.
  • To emphasize the need for standardized clinical pathways for consistent, evidence-based management of pediatric UTIs.
  • To underscore the importance of integrating host, microbial, and clinical insights for optimized UTI prevention and treatment.

Main Methods:

  • Literature review of recent discoveries in host-pathogen interactions, host defense mechanisms, and microbiota.
  • Analysis of risk factors for UTI recurrence and potential adverse sequelae in pediatric populations.
  • Discussion of emerging evidence on the role of microbiota in UTI susceptibility.

Main Results:

  • Significant advancements have been made in understanding UPEC pathogenesis and host immune responses.
  • The influence of the microbiota on UTI risk and recurrence is increasingly recognized.
  • Persistent knowledge gaps remain in pediatric UTI pathogenesis, susceptibility, and optimal management strategies.

Conclusions:

  • Standardized clinical pathways can improve care consistency and outcomes for pediatric UTIs.
  • Future research should integrate host, microbial, and clinical data to optimize prevention and treatment strategies.
  • Addressing knowledge gaps is essential for improving the long-term health of children affected by UTIs.