[Current aspects in pediatric urolithiasis treatment]

W L Strohmaier1

  • 1Regiomed-Klinikum Coburg, Regiomed Medical School Coburg, Universität Split, Ketschendorfer Str. 33, 96450, Coburg, Deutschland. walter.strohmaier@klinikum-coburg.de.

Der Urologe. Ausg. A
|February 2, 2020
PubMed

Insights

Pediatric urolithiasis, or urinary stones in children, is rare but treatable with various modalities. Treatment selection for pediatric urinary stones considers unique anatomical and functional differences, favoring less invasive options when possible.

Area of Science:

  • Pediatric Urology
  • Nephrology
  • Surgical Technology

Background:

  • Urolithiasis (urinary stones) is significantly less common in children than adults, accounting for 1-2% of all cases.
  • While adult treatment modalities are applicable, pediatric anatomical and functional peculiarities necessitate distinct therapeutic indications.
  • Asymptomatic renal stones in children are typically managed conservatively with observation due to a higher likelihood of spontaneous passage compared to adults.

Purpose of the Study:

  • To outline the current therapeutic approaches for pediatric urolithiasis.
  • To highlight the differential indications for various treatment modalities in children.
  • To emphasize the safety and efficacy of minimally invasive techniques in pediatric stone management.

Main Methods:

  • Review of established and emerging treatment modalities for pediatric urolithiasis.
  • Analysis of factors influencing treatment selection, including stone size, location, and composition.
  • Discussion of surgical interventions, including extracorporeal shock wave lithotripsy, endoscopic techniques, percutaneous nephrolithotomy (PCNL), ureteroscopy, and open/laparoscopic surgery.

Main Results:

  • Spontaneous stone passage is more frequent in children than adults.
  • Noninvasive and minimally invasive techniques are preferred when spontaneous passage does not occur.
  • Extracorporeal shock wave lithotripsy is often the primary choice; endoscopic methods are safe even in infants.
  • Percutaneous nephrolithotomy (PCNL) is indicated for large or specific stone compositions (cystine, whewellite); ureteroscopy is preferred for distal ureteral stones.
  • Laparoscopic and open surgeries are reserved for complex cases or associated pathologies.
  • Transurethral or suprapubic lithotripsy is used for bladder calculi.

Conclusions:

  • Treatment strategies for pediatric urolithiasis must account for the unique characteristics of the pediatric population.
  • Minimally invasive approaches, including extracorporeal shock wave lithotripsy and endoscopic procedures, are highly effective and safe for pediatric urinary stones.
  • Percutaneous nephrolithotomy (PCNL) and ureteroscopy represent key interventions for specific stone burdens and locations, while open surgery is rarely necessary.

Related Concept Videos

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)...
145
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...
277
Urinary Tract Calculi IV: Nutrition Therapy and Prevention01:27

Urinary Tract Calculi IV: Nutrition Therapy and Prevention

Management of renal calculi focuses on effective strategies like tailored nutrition and hydration therapy. Adjusting diet and fluid intake reduces stone formation and recurrence, making these interventions simple yet powerful in kidney stone prevention and management.Understanding Kidney StonesKidney stones form when calcium, oxalate, uric acid, and cystine concentrate and crystallize in urine. Factors contributing to their formation include genetic predisposition, certain medical conditions,...
312
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...
222
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...
327
Imaging Studies V: Intravenous Urography and Retrograde Pyelography01:22

Imaging Studies V: Intravenous Urography and Retrograde Pyelography

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...
845