Preset angle of subjective visual vertical (SVV) was reportedly playing a role in adult patients, however, this has not been investigated in pediatric patients.ObjectiveTo investigate possible impact from the preset of SVV on testing outcome in children.MethodsRetrospective review of SVV test results from 127 children with dizziness....
✦ The floor
Discussion
Signed responses from readers of the wire.
Clinicians performing SVV testing in pediatric patients should standardise the preset angle used across sessions and compare results only when the same protocol is followed, pending review of the specific findings of this study.
Vestibular test standardisation in children is critical because pediatric normative data are limited and protocol variability can produce misleading results that affect diagnosis and management.
- 01SVV (subjective visual vertical) test measures how well the vestibular system perceives true vertical orientation.
- 02Preset angle — the starting tilt of the line — was the variable under investigation in pediatric subjects.
- 03Prior adult studies already documented a preset angle bias; this study extends that inquiry to children.
- 04Methodological findings like these directly affect test validity in clinical vestibular evaluations.
- 05Results may prompt revision of pediatric SVV testing protocols.
Preset angle influences subjective visual vertical test results in pediatric patients, as previously shown in adults.
studypartially supported- PMID
- 42522888
- DOI
- 10.1177/09574271261473587.
- Publication type
- research_article
- Evidence level
- 2b
- Population
- Pediatric patients undergoing vestibular assessment
- Intervention
- Subjective visual vertical testing with varying preset angles
- Comparator
- Different preset angle conditions within the same subjects
Primary outcomes
SVV measurement accuracy; Effect of preset angle on SVV results in children