Patient dose during videofluoroscopy swallowing studies in a Hong Kong public hospital. Radiation exposure from videofluoroscopic swallow studies in children with a type 1 laryngeal cleft and pharyngeal dysphagia: a retrospective review. Hersh C, Wentland C, Sally S, de Stadler M, Hardy S, Fracchia MS, Liu B, Hartnick C. Change in patient doses from radiological examinations at the Vancouver General Hospital, 1991–2002. Effective doses in radiology and diagnostic nuclear medicine: a catalog. Mettler FA Jr., Huda W, Yoshizumi TT, Mahesh M. Radiation risks to adult patients undergoing modified barium swallow studies. 2019 124:736–44.īonilha HS, Huda W, Wilmskoetter J, Martin-Harris B, Tipnis SV. Protecting sensitive patient groups from imaging using ionizing radiation: effects during pregnancy, in fetal life and childhood. Tomà P, Bartoloni A, Salerno S, Granata C, Cannatà V, Magistrelli A, Arthurs OJ. IAEA Safety standards for protecting people and the environment. Radiation Protection and Safety of Radiation Sources: International Basic Safety Standards. MBS measurement tool for swallow impairment-MBSImp: establishing a standard. Martin-Harris B, Brodsky MB, Michel Y, Castell DO, Schleicher M, Sandidge J, Maxwell R, Blair J. Clinical utility of the modified barium swallow. Martin-Harris B, Logemann JA, McMahon S, Schleicher M, Sandidge J. However, as an X-ray exam that uses ionizing radiation, the principles of ALARA and radiation safety must still be applied. The distinction of MBSS as a low dose exam will assuage most clinician’s fears, allowing them to utilize this tool to gather clinically significant information about swallow function. This value serves as a general estimate for adults undergoing MBSSs and can be used to compare other sources of radiation (environmental and medical) to help clinicians and patients assess the risks of conducting an MBSS. These results categorize a typical adult MBSS as a low dose examination. The average effective dose per exam was 0.32 ± 0.23 mSv. Average kVs were 63 kV, 77 kV, 78.3 kV, and 94.3 kV, for the lateral, upper, middle, and lower PA projections, respectively. While 100% of patients underwent the exam in the lateral projection, 72% were imaged in the upper posterior-anterior (PA) projection and approximately 25% were imaged in the middle and lower PA projection. We examined the MBSSs of 200 consecutive adult patients undergoing clinically indicated exams and used kilovoltage (kV) and Kerma Area Product to calculate the effective dose. This study reports the average radiation dose in routine clinical MBSSs, to aid the evidence-based decision-making of clinical providers and patients. Since MBSSs use ionizing radiation, it is important to understand the radiation exposure associated with the exam. Modified Barium Swallow Studies (MBSSs) are important tests to aid the diagnosis of swallowing impairment and guide treatment planning.
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