Cited by 90Radiation Dose and ImagingDysphagia Assessment and ManagementRadiology practices and education

Radiation Exposure Time during MBSS: Influence of Swallowing Impairment Severity, Medical Diagnosis, Clinician Experience, and Standardized Protocol Use

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Bonilha, Heather Shaw, Humphries, Kate, Blair, Julie, Hill, Elizabeth G., McGrattan, Katlyn, Carnes, Brittni, Huda, Walter, Martin-Harris, Bonnie·2013·Dysphagia

Abstract

Guidelines and preventive measures have been established to limit radiation exposure time during modified barium swallow studies (MBSS) but multiple variables may influence the duration of the exam. This study examined the influence of clinician experience, medical diagnosis category, swallowing impairment severity, and use of a standardized protocol on fluoroscopy time. A retrospective review of 739 MBSSs performed on 612 patients (342 males/270 females; age range = 18-96 years) completed in 1 year at the Medical University of South Carolina was performed with IRB approval. All studies were completed by speech-language pathologists trained in the data collection protocol, interpretation, and scoring of the MBSImP™(©). Medical diagnosis category, swallowing impairment severity (MBSImP™(©) score), clinician experience, and fluoroscopy time were the variables recorded for analysis. Fluoroscopy time was not significantly associated with medical diagnosis category (p = 0.10). The severity of the MBSImP™(©) Oral Total and Pharyngeal Total resulted in statistically significant increases in fluoroscopy time (p < 0.05). Studies by novice clinicians had longer exposure times when compared to those of experienced clinicians (p = 0.037). Average radiation exposure time using the MBSImP™(©) approach was 2.9 min, with a 95 % confidence interval of 2.8-3.0 min, which was well within the range of exposure times reported in the literature. This study provides preliminary information regarding the impact of medical diagnosis category, swallowing impairment severity, and clinician experience on fluoroscopy time. These findings also suggest that a thorough, standardized protocol for MBSSs did not cause unnecessary radiation exposure time during the MBSS.

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Authors
Bonilha, H. S., Humphries, K., Blair, J., Hill, E. G., McGrattan, K., Carnes, B., Huda, W., & Martin-Harris, B.
Affiliations
Medical University of South Carolina (US)
Corresponding author
Bonilha, Heather Shaw
Venue
Dysphagia
Published
2012-06-13
Volume
28
Issue
1
Pages
77-85
ISSN
  • 0179-051X (ISSN-L)
  • 1432-0460
OpenAlex
W2014484741
Cited by
90
References
26
Citations by year
2026: 4 · 2025: 5 · 2024: 11 · 2023: 2 · 2022: 8 · 2021: 4 · 2020: 9 · 2019: 8 · 2018: 11 · 2017: 5 · 2016: 6 · 2015: 7 · 2014: 6 · 2013: 4
FWCI
4.11
Type
journal article
Language
en
Open access
Locations
  • Dysphagia (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • Medical University of South Carolina
  • National Institutes of Health (KL2TR000060, UL1TR000062)
  • National Cancer Institute (P30CA138313)
  • National Institute on Deafness and Other Communication Disorders (K23DC005764, K24DC012801)
  • National Center for Research Resources (UL1RR029882, KL2RR029880, KL2 UL1 RR029880)
  • National Center for Advancing Translational Sciences
Topics
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Radiation Dose and Imaging
  • Health Sciences › Health Professions › Speech and Hearing › Dysphagia Assessment and Management
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Radiology practices and education
Keywords
modified barium swallow, fluoroscopy time, radiation exposure, clinician experience, standardized protocols
MeSH terms
Adolescent, Adult, Aged, Aged, 80 and over, Barium Sulfate, Clinical Competence, Clinical Protocols, Contrast Media, Deglutition Disorders, Female, Fluoroscopy, Humans, Male, Middle Aged, Radiation Dosage, Retrospective Studies, Severity of Illness Index, Time Factors, Young Adult

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