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The diagnosis of renal calculi involves several imaging techniques, including non-contrast CT scans and ultrasound. These methods help visualize kidney stones, assess their size and location, and detect possible obstructions. Additionally, Measuring urine pH is useful for diagnosing specific stone types, such as struvite (alkaline pH) and uric acid stones (acidic pH). Cystine stones are primarily linked to cystinuria, a genetic condition. A urinalysis helps detect blood in the urine (hematuria)...
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Procedures for Kidney StonesMedical intervention is necessary when kidney stones or renal calculi are too large to pass spontaneously (typically greater than 5 millimeters) when stones are accompanied by symptomatic infection (such as fever or pyelonephritis), when they impair kidney function, or when they cause persistent symptoms like severe pain, nausea, or urinary retention. Additionally, patients with only one kidney or those who cannot be treated with medical management also require...
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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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Imaging Studies V: Intravenous Urography and Retrograde Pyelography01:22

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IntroductionIntravenous Urography (IVU) and Retrograde Pyelography (RP) are important diagnostic imaging techniques used to evaluate the urinary system. These methods help identify structural abnormalities, obstructions, and functional issues in the kidneys, ureters, and bladder. Both procedures use iodine-based contrast media to enhance the visibility of urinary tract structures on X-ray images, though they differ in their methods and indications.1. Intravenous Urography (IVU)Intravenous...
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Voiding Cystourethrography (VCUG) and Cystography are specialized radiographic procedures used to examine the structure and function of the bladder and urethra.Voiding Cystourethrography (VCUG)A Voiding Cystourethrogram (VCUG) is a diagnostic imaging procedure that assesses the anatomy and function of the lower urinary tract. It focuses on the bladder, bladder neck, and urethra, helping detect abnormalities such as vesicoureteral reflux (VUR)—the backward or reverse flow of urine into the...
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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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Combination Intravesical Therapy.

Nathan A Brooks1, Michael A O'Donnell1

  • 1Department of Urology, The University of Iowa Hospitals and Clinics, 200 Hawkins Drive, Iowa City, IA, USA.

The Urologic Clinics of North America
|November 24, 2019
PubMed
Summary
This summary is machine-generated.

Salvage intravesical therapy offers a bladder-sparing option for nonmuscle invasive bladder cancer patients after Bacillus Calmette-Guerin (BCG) treatment failure. This approach may preserve the bladder for 6-24 months, avoiding cystectomy.

Keywords:
BCG failureIntravesical therapyNonmuscle invasive bladder cancerSalvage therapy

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Area of Science:

  • Urology
  • Oncology
  • Immunotherapy

Background:

  • Bacillus Calmette-Guerin (BCG) is a standard treatment for nonmuscle invasive bladder cancer.
  • Treatment failure with BCG necessitates alternative therapeutic strategies.
  • Radical cystectomy is often considered but carries significant morbidity.

Purpose of the Study:

  • To explore salvage intravesical therapies as a bladder-sparing alternative after BCG failure.
  • To identify promising combination regimens for nonmuscle invasive bladder cancer management.
  • To provide hope for patients unwilling or unfit for cystectomy.

Main Methods:

  • Review of current literature on salvage intravesical therapies post-BCG failure.
  • Analysis of combination regimens including immunotherapy and chemotherapy.
  • Consideration of novel agents in clinical trials.

Main Results:

  • A 6- to 24-month window exists for effective salvage intravesical therapy.
  • Combination therapies show promise in preserving the bladder.
  • Various regimens, including BCG with immune agents, chemotherapy, and novel drugs, are under investigation.

Conclusions:

  • Salvage intravesical therapy is a viable bladder-sparing option for nonmuscle invasive bladder cancer after BCG failure.
  • Combination approaches represent a promising strategy for managing these patients.
  • Further research and clinical trials are crucial for optimizing these treatments.