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Related Concept Videos

Urinary Tract Calculi II: Pathophysiology and Clinical Manifestations01:26

Urinary Tract Calculi II: Pathophysiology and Clinical Manifestations

Renal calculi, commonly termed kidney stones, are crystalline solid masses that form in the kidneys but can occur at any point within the urinary system, encompassing the kidneys, ureters, bladder, and urethra.The pathophysiology of renal stones involves several key factors: supersaturation of the urine with stone-forming constituents, changes in urine pH, a decrease in urine volume, and the presence of substances that promote or inhibit stone formation.Supersaturation of Urine: This is the...
Urinary Tract Calculi V: Nursing Management01:28

Urinary Tract Calculi V: Nursing Management

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

Urinary Tract Calculi VI: Surgical Management

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...
Urinary Tract Calculi III: Medical Management01:30

Urinary Tract Calculi III: Medical Management

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)...
Acute Kidney Injury III: Clinical Manifestations01:29

Acute Kidney Injury III: Clinical Manifestations

Acute Kidney Injury (AKI) progresses through distinct clinical phases: the oliguric, diuretic, and recovery phases, each marked by unique manifestations and challenges.Oliguric Phase:The oliguric phase is the initial stage of AKI, typically lasting 10 to 14 days. This phase is marked by a significant reduction in urine output, usually less than 400 mL per day, indicating decreased kidney function. Fluid retention is a prominent feature, leading to symptoms such as edema, hypertension, and...
Acute Pyelonephritis I: Introduction01:27

Acute Pyelonephritis I: Introduction

Pyelonephritis is a bacterial infection that primarily affects the renal parenchyma and collecting system, including the renal pelvis, tubules, and interstitial tissue of one or both kidneys. It can be classified as either acute—a sudden, severe infection—or chronic, which refers to long-term or recurrent kidney infections.The primary cause of acute pyelonephritis (APN) is bacterial infection, with Escherichia coli accounting for approximately 70-80% of cases. Other bacteria, such as Proteus,...

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Related Experiment Video

Updated: May 22, 2026

Improved Renal Denervation Mitigated Hypertension Induced by Angiotensin II Infusion
08:35

Improved Renal Denervation Mitigated Hypertension Induced by Angiotensin II Infusion

Published on: May 26, 2022

How does acute urolithiasis present after renal denervation?

Curtis Ross1, Michael C Carr, Pasquale Casale

  • 1Department of Urology, Children's Hospital of Philadelphia, 34th Street and Civic Center Boulevard, Philadelphia, PA 19107, USA.

Journal of Endourology
|May 9, 2012
PubMed
Summary
This summary is machine-generated.

Pediatric patients undergoing laparoscopic renal denervation may experience atypical urolithiasis symptoms, presenting as vague abdominal pain rather than typical flank discomfort. Vigilance for subtle signs is crucial for timely diagnosis and management.

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Last Updated: May 22, 2026

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Area of Science:

  • Pediatric Urology
  • Nephrology
  • Surgical Innovation

Background:

  • Laparoscopic renal denervation and nephropexy are utilized for intractable renal pain in pediatric patients.
  • Urolithiasis is a common condition, but its presentation post-renal denervation requires specific consideration.

Purpose of the Study:

  • To describe the acute presentation of urolithiasis in pediatric patients following laparoscopic renal denervation and nephropexy.
  • To highlight atypical pain patterns associated with kidney stones in this specific patient cohort.

Main Methods:

  • Retrospective case series of five pediatric patients (aged 8-16 years).
  • Patients presented with acute abdominal symptoms after undergoing laparoscopic renal denervation.
  • Diagnosis of obstructing urolithiasis was confirmed.

Main Results:

  • Twelve episodes of acute urolithiasis were observed across the five patients.
  • Patients reported periumbilical and epigastric discomfort on the side of the denervated kidney.
  • Symptoms included vomiting (60%), gross hematuria (80%), and microscopic hematuria (100%); flank pain was notably absent.

Conclusions:

  • Acute urolithiasis in pediatric patients post-laparoscopic renal denervation may not manifest with typical flank pain.
  • Vague abdominal discomfort should raise suspicion for urolithiasis in this population.
  • Awareness of these atypical presentations is essential for accurate diagnosis and treatment.