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Related Concept Videos

Microbiota of the Urogenital Tract01:28

Microbiota of the Urogenital Tract

The human urogenital system, once thought to be sterile in healthy individuals, is now recognized as a complex microbial habitat. Advancements in molecular sequencing techniques have revealed that even in healthy adults, the kidneys and bladder harbor microbial populations similar to those found in the distal urethra, albeit in much lower abundance. These resident microorganisms, while generally innocuous, can become opportunistic pathogens under conditions that alter the urogenital...
Urinary Tract Infection III: Diagnostic Studies and Interprofessional Care01:30

Urinary Tract Infection III: Diagnostic Studies and Interprofessional Care

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...
Urinary Tract Infection II: Pathophysiology01:25

Urinary Tract Infection II: Pathophysiology

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...
Urinary Tract Infection IV: Nursing Management01:17

Urinary Tract Infection IV: Nursing Management

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 like...
Urine Studies II: Urine Culture and Sensitivity Test01:26

Urine Studies II: Urine Culture and Sensitivity Test

A urine culture and sensitivity test is a diagnostic procedure used to identify urinary tract bacterial infections and determine the most effective antibiotics for treatment. This test is generally preferred when a patient shows manifestations of a urinary tract infection, such as frequent or painful urination, cloudy or foul-smelling urine, or lower abdominal pain.Purpose of the TestThe primary goals of a urine culture and sensitivity test are to:Determine the specific bacteria causing the...
Acute Pyelonephritis II: Diagnostic Studies and Management01:28

Acute Pyelonephritis II: Diagnostic Studies and Management

Introduction:For diagnosing acute pyelonephritis, a comprehensive patient history is collected to identify symptoms such as dysuria, frequent or urgent urination, flank pain, or costovertebral angle (CVA) tenderness that may suggest a kidney infection.Physical ExaminationDuring the physical examination, CVA tenderness is assessed. This involves gentle percussion over the costovertebral angle, where tenderness often indicates a kidney infection.Diagnostic TestsUrinalysis: Used to identify white...

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Related Experiment Video

Updated: Jun 22, 2026

Recurrent Escherichia coli Urinary Tract Infection Triggered by Gardnerella vaginalis Bladder Exposure in Mice
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Recurrent Escherichia coli Urinary Tract Infection Triggered by Gardnerella vaginalis Bladder Exposure in Mice

Published on: December 4, 2020

Asymptomatic bacteriuria during pregnancy.

Eyal Sheiner1, Efrat Mazor-Drey, Amalia Levy

  • 1Faculty of Health Sciences, The Department of Obstetrics and Gynecology, Soroka University Medical Center, Be'er-Sheva, Israel. sheiner@bgu.ac.il

The Journal of Maternal-Fetal & Neonatal Medicine : the Official Journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians
|June 17, 2009
PubMed
Summary

Asymptomatic bacteriuria in pregnant patients is linked to preterm delivery. Early detection and management are crucial for better perinatal outcomes.

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Recurrent Escherichia coli Urinary Tract Infection Triggered by Gardnerella vaginalis Bladder Exposure in Mice
08:53

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Published on: December 4, 2020

A Murine Model of Group B Streptococcus Vaginal Colonization
10:19

A Murine Model of Group B Streptococcus Vaginal Colonization

Published on: November 16, 2016

Area of Science:

  • Obstetrics and Gynecology
  • Infectious Diseases
  • Neonatal Health

Background:

  • Asymptomatic bacteriuria (ASB) during pregnancy affects 2-10% of expectant mothers.
  • Untreated ASB is associated with adverse perinatal outcomes, including preterm delivery and low birth weight.
  • Antibiotic treatment is recommended for ASB in pregnancy, but its impact on outcomes requires further investigation.

Purpose of the Study:

  • To evaluate the association between ASB in pregnant patients and perinatal outcomes.
  • To identify common bacterial pathogens and risk factors for ASB in pregnancy.
  • To assess the impact of antibiotic treatment for ASB on pregnancy outcomes.

Main Methods:

  • Retrospective population-based study comparing singleton pregnancies with and without ASB.
  • Exclusion of patients with symptomatic urinary tract infections.
  • Multivariable logistic regression analysis to control for confounding factors.

Main Results:

  • ASB was present in 2.5% of deliveries; E. coli was the most common pathogen (78.6%).
  • Patients with ASB had higher rates of preterm delivery (13.3% vs. 7.6%) and low birth weight neonates (13.3% vs. 7.9%).
  • ASB was independently associated with preterm delivery, fertility treatments, hypertensive disorders, and other pregnancy complications.

Conclusions:

  • Asymptomatic bacteriuria is an independent risk factor for preterm delivery.
  • ASB management in pregnancy is critical for reducing adverse perinatal outcomes.
  • Further research into optimal ASB treatment strategies is warranted.