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Related Concept Videos

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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Urinary Tract Calculi III: Medical Management01:30

Urinary Tract Calculi III: Medical Management

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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)...
169
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...
387
Acute Kidney Injury IV: Diagnostic Studies and Prevention01:30

Acute Kidney Injury IV: Diagnostic Studies and Prevention

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Accurate diagnosis and effective prevention are critical in managing Acute Kidney Injury (AKI), which is linked to high mortality rates ranging from 10% to 80%. Timely recognition of at-risk patients and careful monitoring can significantly reduce the likelihood of kidney damage.Diagnostic Assessments:The diagnostic process starts with a comprehensive medical history to identify prerenal, intrarenal, and postrenal causes.Prerenal causes, such as dehydration, hypotension, or blood loss, should...
238
Urinary Tract Calculi V: Nursing Management01:28

Urinary Tract Calculi V: Nursing Management

247
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...
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Urinary Tract Calculi VI: Surgical Management01:25

Urinary Tract Calculi VI: Surgical Management

325
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...
325

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Interventions for polyoma virus-associated hemorrhagic cystitis.

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Polyoma virus-associated haemorrhagic cystitis (PVA-HC) after stem cell transplants remains challenging. Current treatments focus on supportive care, with emerging options like intravesical cidofovir and T-cell therapies needing further study.

Keywords:
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Area of Science:

  • Hematology
  • Virology
  • Oncology

Background:

  • Polyoma virus-associated haemorrhagic cystitis (PVA-HC) is a severe complication following allogeneic hematopoietic stem cell transplantation (allo-HCT).
  • Characterized by hematuria and high BK-virus replication, its incidence is influenced by evolving donor sources like haploidentical grafts.
  • Clinical management is hindered by limited evidence and the absence of standardized treatment protocols.

Purpose of the Study:

  • To review existing literature on interventions for treating PVA-HC.
  • To examine evolving transplant protocols and their impact on PVA-HC incidence and management.
  • To identify current challenges and future directions in PVA-HC treatment.

Main Methods:

  • Literature review of interventions for PVA-HC.
  • Analysis of recent studies on supportive care, urological procedures, immunomodulation, intravesical cidofovir, adoptive T-cell therapies, and hyperbaric oxygen therapy.
  • Assessment of study limitations including small sample sizes, retrospective designs, and lack of control groups.

Main Results:

  • Supportive care is the cornerstone of PVA-HC treatment.
  • Emerging targeted therapies include intravesical cidofovir and virus-specific T-cell adoptive therapies.
  • Investigational approaches like hyperbaric oxygen therapy have also been explored, though evidence is limited.
  • Existing studies are often small, retrospective, and heterogeneous, lacking robust control groups.

Conclusions:

  • PVA-HC poses significant clinical challenges post-allo-HCT.
  • Novel antiviral and immunotherapy strategies show potential but require rigorous evaluation for efficacy and safety.
  • Multicenter trials and standardized protocols are crucial for guiding targeted treatments, risk stratification, and prevention.
  • A multidisciplinary approach is recommended for managing PVA-HC.