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Related Concept Videos

Urinary Tract Infection I: Introduction01:26

Urinary Tract Infection I: Introduction

589
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...
589
Urinary Tract Infection II: Pathophysiology01:25

Urinary Tract Infection II: Pathophysiology

598
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...
598
Urinary Tract Infection IV: Nursing Management01:17

Urinary Tract Infection IV: Nursing Management

446
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...
446
Urinary Tract Infection III: Diagnostic Studies and Interprofessional Care01:30

Urinary Tract Infection III: Diagnostic Studies and Interprofessional Care

265
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...
265
Urinary Tract Calculi I: Introduction01:28

Urinary Tract Calculi I: Introduction

430
Renal calculi, or kidney stones, are solid deposits of minerals and salts formed inside the kidneys. In medical terminology, "calculus" refers to the stone itself, while "lithiasis" describes the process of stone formation. Depending on their location within the urinary system, these stones may be classified as either urolithiasis, when situated within the urinary tract, or nephrolithiasis, when located within the kidneys. Each term signifies the specific impact of the stone.Predisposition...
430
Urinary Tract Calculi V: Nursing Management01:28

Urinary Tract Calculi V: Nursing Management

280
AssessmentSubjective Data: Obtain a detailed health history, including any recent or chronic urinary tract infections, periods of immobilization, previous episodes of renal calculi, and medical conditions such as gout, benign prostatic hyperplasia, or hyperparathyroidism. Review the medication history for drugs that may influence stone formation, including allopurinol, analgesics, loop diuretics, or thiazide diuretics. Document the use of long-term indwelling catheters and any past surgical...
280

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Related Experiment Video

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Transurethral Induction of Mouse Urinary Tract Infection
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Using Proteomics to Identify Inflammation During Urinary Tract Infection.

Yanbao Yu1, Rembert Pieper2

  • 1The J. Craig Venter Institute, Medical Center Drive, Rockville, MD, USA. yayu@jcvi.org.

Methods in Molecular Biology (Clifton, N.J.)
|July 17, 2019
PubMed
Summary

This study explores advanced proteomic techniques for diagnosing urinary tract infections (UTIs). These methods offer deeper insights into inflammation and immune responses, complementing traditional UTI diagnostic approaches.

Keywords:
FASPInflammationLC-MS/MSMass spectrometryMetaproteomicsPathogen identificationProteomicsUrinary tract infectionUrine

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Area of Science:

  • Microbiology
  • Immunology
  • Proteomics

Background:

  • Urinary tract infections (UTIs) are common bacterial infections diagnosed using culture, microscopy, and molecular tests.
  • Matrix-assisted laser desorption/ionization-time of flight (MALDI-TOF) is increasingly used for microbial identification in UTIs.
  • Current diagnostics do not routinely assess inflammation or immune responses in UTIs.

Purpose of the Study:

  • To describe advanced proteomic and molecular methods for UTI diagnosis.
  • To gain insights into inflammation and immune responses in UTI patients.
  • To profile causative agents and examine immune effector mechanisms.

Main Methods:

  • Utilizing shotgun proteomics to analyze urine for inflammation and immune cell markers.
  • Applying MALDI-TOF for microbial identification.
  • Analyzing urine sediments and urethral catheter biofilms directly.

Main Results:

  • Proteomics can quantify inflammation and identify immune effectors in urine.
  • These methods aid in understanding UTI pathogenesis and antimicrobial mechanisms.
  • Applicable to catheter-associated UTIs and vaginal infections.

Conclusions:

  • Advanced proteomic and molecular techniques offer comprehensive UTI diagnostics.
  • These methods provide deeper insights into host-pathogen interactions in UTIs.
  • The described protocols enable direct analysis of clinical specimens for UTI investigation.