When should video and EMG be added to urodynamics in children with lower urinary tract dysfunction and is this

Ralf Anding1, Phillip Smith2, Tom de Jong3

  • 1Department of Neuro-Urology, University Hospital, Bonn, Germany.

Insights

Evidence for adding video and electromyography (EMG) to urodynamics in children is insufficient. Standardized protocols are needed to improve diagnostic accuracy and define the risk-benefit of X-ray exposure.

Area of Science:

  • Pediatric Urology
  • Diagnostic Imaging
  • Urodynamic Studies

Background:

  • A 2014 ICI-RS Think Tank convened to evaluate the evidence for integrating video imaging and electromyography (EMG) with urodynamics (UDS) in pediatric lower urinary tract dysfunction (LUTD).
  • The primary objective was to identify evidence gaps and propose recommendations for clinical and research protocols.
  • The current body of evidence supporting the addition of video (X-ray) and EMG to UDS in children is limited and insufficient.

Framework:

  • Systematic literature analysis of X-ray (video) and EMG studies combined with UDS in pediatric LUTD.
  • Critical review of the technical aspects of these combined diagnostic modalities.
  • Assessment of existing standards, which are noted as poor and variable, leading to practice dominated by expert opinion.

Implementation:

  • The Think Tank recommended adopting standardized ALARA (As Low As Reasonably Achievable) principles for video-urodynamics in children.
  • Standardization of image evaluation and analysis of its association with pressure changes is crucial.
  • Standardization and technical improvement of children's pelvic muscle surface EMG technique are necessary.

Implications:

  • Further research is required to better evaluate and define the risk-benefit balance of X-ray exposure in pediatric video-urodynamics.
  • Standardized diagnostic approaches will enhance the reliability and reproducibility of UDS findings in children.
  • Improved technical execution and evaluation of EMG in pediatric UDS can lead to more accurate diagnosis and management of LUTD.
Abstract

Related Concept Videos

Urodynamic Studies: Uroflowmetry01:19

Urodynamic Studies: Uroflowmetry

Uroflowmetry is a non-invasive urodynamic test designed to measure various aspects of urination, including volume, flow rate, and the time to void. This test is crucial for diagnosing and assessing conditions such as bladder outlet obstruction, bladder dysfunction, incomplete bladder emptying, incontinence, and urinary tract blockages caused by benign prostatic hyperplasia (BPH) and urethral strictures.Pre-Test Instructions:Before a uroflowmetry test, patients are typically advised to drink...
7.2K
Anatomy of the Genitourinary System II: Bladder and Urethra01:19

Anatomy of the Genitourinary System II: Bladder and Urethra

The lower urinary system consists of the urinary bladder and urethra, which are essential in storing and expelling urine from the body. Together with the internal and external sphincters, these structures work together to regulate urination effectively.Anatomy of the BladderThe urinary bladder is a muscular, stretchable organ behind the pubic bone and in front of the rectum. In females, the bladder is positioned anterior to the vagina and inferior to the uterus, while in males, it is located...
2.6K
The Micturition Reflex01:26

The Micturition Reflex

Urination, or micturition involves the coordination of the bladder's detrusor muscle and two sphincters to ensure controlled bladder emptying.
The process begins with bladder filling, where the bladder wall stretches as urine accumulates. This stretching activates the urine storage reflex, mediated by the sacral spinal segments and the pontine storage center. Efferent sympathetic impulses stimulate the detrusor muscle to relax and the internal urethral sphincter to contract, facilitating...
3.5K
Imaging Studies VI: Voiding Cystourethrography and Cystography01:22

Imaging Studies VI: Voiding Cystourethrography and Cystography

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...
3.5K
Urologic Endoscopic Procedure: Cystoscopic Examination01:28

Urologic Endoscopic Procedure: Cystoscopic Examination

Meaning of Cystoscopic Examination:Cystoscopy is an essential diagnostic tool in urology that is used to assess the structure and function of the genitourinary system. It provides a direct view of the urethra, bladder, and, in some cases, the ureteral openings. This procedure helps detect structural abnormalities, infections, cancers, and blockages in the urinary tract. There are two types of cystoscopy:Flexible cystoscopy is commonly performed in outpatient settings due to its less invasive...
5.1K
Microbiota of the Urogenital Tract01:28

Microbiota of the Urogenital Tract

The human urogenital system, once thought to be sterile in healthy individuals, is now recognized as a complex microbial habitat. Advancements in molecular sequencing techniques have revealed that even in healthy adults, the kidneys and bladder harbor microbial populations similar to those found in the distal urethra, albeit in much lower abundance. These resident microorganisms, while generally innocuous, can become opportunistic pathogens under conditions that alter the urogenital...
21