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Related Concept Videos

Urine Studies II: Urine Culture and Sensitivity Test01:26

Urine Studies II: Urine Culture and Sensitivity Test

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

Urinary Tract Infection III: Diagnostic Studies and Interprofessional Care

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

Urinary Tract Infection IV: Nursing Management

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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...
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Acute Pyelonephritis II: Diagnostic Studies and Management01:28

Acute Pyelonephritis II: Diagnostic Studies and Management

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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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Urine Studies I: Urinalysis01:29

Urine Studies I: Urinalysis

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Urinalysis is a widely used diagnostic test that analyzes urine's physical, chemical, and microscopic characteristics. Healthcare providers use it to detect and monitor various health conditions, including renal disease, urinary tract infections (UTIs), diabetes, and metabolic or systemic disorders.Components of UrinalysisUrinalysis consists of three primary components: physical, chemical, and microscopic examination. Each provides unique insights into the urine sample and, by extension, the...
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Sputum Studies II: Culture and Sensitivity01:20

Sputum Studies II: Culture and Sensitivity

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Description
Sputum culture and sensitivity is a medical procedure used to diagnose bacterial infections in the respiratory tract and select the most appropriate antibiotics for treatment. This process involves analyzing sputum samples of thick and opaque secretions produced in the lungs and airways. These samples are collected from patients and then sent to the laboratory for analysis.
The test can identify various pathogens responsible for respiratory infections, including Streptococcus,...
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An In Vitro Bladder Model of Catheter-Associated Urinary Tract Infection
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Sustained decrease in urine culture utilization after implementing a reflex urine culture intervention: A multicenter

Jessica R Howard-Anderson1, Shanza Ashraf2, Elizabeth C Overton2

  • 1Division of Infectious Diseases, Department of Medicine, Emory University School of Medicine, Atlanta, Georgia.

Infection Control and Hospital Epidemiology
|January 31, 2020
PubMed
Summary
This summary is machine-generated.

Implementing a urinalysis with reflex to urine culture algorithm reduced unnecessary urine cultures in hospitalized patients. This diagnostic stewardship approach helps avoid unnecessary antibiotic treatment for asymptomatic bacteriuria.

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Area of Science:

  • Infectious Diseases
  • Clinical Diagnostics
  • Antimicrobial Stewardship

Background:

  • Accurate diagnosis of urinary tract infections (UTIs) in hospitalized patients is challenging due to nonspecific symptoms.
  • Urine cultures are frequently overused, particularly in catheterized patients, often leading to unnecessary antibiotic treatment of asymptomatic bacteriuria (ASB).
  • Guidelines recommend against routine screening for ASB, yet indiscriminate urine culture ordering persists.

Purpose of the Study:

  • To evaluate the impact of a diagnostic stewardship intervention on urine culture ordering practices.
  • To assess the effect of a urinalysis (UA) with reflex to urine culture (UC) algorithm on diagnostic efficiency.
  • To determine the influence of this reflex intervention on the diagnosis and treatment of UTIs.

Main Methods:

  • A quasi-experimental design was employed to assess the intervention's impact.
  • The study focused on the implementation of a UA with reflex to UC algorithm.
  • Data were collected on urine culture ordering, diagnostic findings, and UTI diagnoses.

Main Results:

  • The reflex intervention significantly altered urine culture ordering practices.
  • Diagnostic efficiency related to UTI diagnosis was improved.
  • The study provided insights into the reduction of inappropriate urine cultures and subsequent antibiotic use.

Conclusions:

  • Implementing a UA with reflex to UC algorithm is an effective diagnostic stewardship strategy.
  • This approach can reduce unnecessary urine cultures and antibiotic prescriptions for ASB.
  • Optimizing urine culture utilization improves diagnostic accuracy and antimicrobial stewardship in hospitalized patients.