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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.
Aims:
An ICI-RS Think Tank in 2014 discussed and evaluated the evidence for adding video and EMG to urodynamics (UDS) in children and also highlighted evidence gaps, with the aim of recommending further clinical and research protocols.
Methods:
A systematic analysis of the relevant literature for both X-ray (video) studies and electromyography, in combination with UDS in children with lower urinary tract dysfunction (LUTD), is summarized in this manuscript. The technical aspects are also critically reviewed.
Results:
The body of evidence for the addition of X-ray (video) to filling and voiding cystometry and the evidence for the addition of pelvic muscle surface electromyography to urodynamics is scanty and insufficient. Standards are poor and variable so uncontrolled expert opinion dominates practice.
Conclusions:
The Think Tank has recommended that standardized ALARA ("As Low As Reasonably Achievable") principles should be adopted for video-urodynamics in children. The risk-benefit balance of X-ray exposure needs to be better evaluated and defined. Evaluation of images should be standardized and the association with pressure changes better analyzed and reported. Children's pelvic muscle surface electromyography technique should be standardized, technically improved, and its diagnostic relevance should be better evaluated.
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