Patient Dose Variation Investigated in Four Irish Hospitals for Barium Meal and Barium Enema Examinations

Carroll, Enda; Brennan, Patrick C.

doi:10.1093/oxfordjournals.rpd.a006674

Radiation Protection Dosimetry

2001

DOI: 10.1093/oxfordjournals.rpd.a006674

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Patient Dose Variation Investigated in Four Irish Hospitals for Barium Meal and Barium Enema Examinations

Enda Carroll¹,

Patrick C. Brennan²

Abstract: Four hospitals have been studied, intra- and inter-hospital variations examined and the mean DAP values recorded for barium enemas and barium meals. Mean DAP values for barium meals and barium enemas at 11.4 Gy x cm2 and 20.1 Gy x cm2 respectively have been shown. Differences between individual examinations for barium meals varied by up to a factor of 185 and for barium enemas, up to a factor of 19, with hospital means for barium meal and enema examinations each differing by up to a factor of 3. The data provi… Show more

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Radiation doses to patients undergoing barium meal and barium enema examinations

Delichas

Hatziioannou²,

Papanastassiou³

et al. 2004

Radiation Protection Dosimetry

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The radiation doses received by patients during 41 barium meal (BM) and 42 barium enema (BE) examinations in two Greek hospitals are presented. Radiation dose was measured in terms of the dose area product (DAP). The effective dose and doses to certain organs were estimated using the ODS-60 software. Mean total DAP values were found to be 25 +/- 11 Gy cm2 for BM and 60 +/- 35 Gy cm2 for BE examinations, whereas the estimated mean values of effective dose were 8.6 +/- 4.0 and 24 +/- 16 mSv respectively. DAP to effective dose conversion coefficients were estimated to be 0.34 mSv per Gy cm2 for BM and 0.41 mSv per Gy cm2 for BE.

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Radiation doses to patients undergoing barium meal and barium enema examinations

Delichas

Hatziioannou²,

Papanastassiou³

et al. 2004

Radiation Protection Dosimetry

View full text Add to dashboard Cite

show abstract

Initial Investigation of Factors Influencing Radiation Dose to Patients Undergoing Barium-Based Fluoroscopy Procedures in Tanzania

Ngaile

Msaki

Kazema

et al. 2016

Radiat Prot Dosimetry

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The aim of this study was to investigate the nature and causes of radiation dose imparted to patients undergoing barium-based X-ray fluoroscopy procedures in Tanzania and to compare these doses to those reported in the literature from other regions worldwide. The air kerma area product (KAP) to patient undergoing barium investigations of gastrointestinal tract system was obtained from four consultant hospitals. The KAP was determined using a flat transparent transmission ionization chamber. Mean values of KAP for barium swallow (BS), barium meal (BM) and barium enema (BE) were 2.79, 2.62 and 15.04 Gy cm2, respectively. The mean values of KAP per hospital for the BS, BM and BE procedures varied by factors of up to 7.3, 1.6 and 2.0, respectively. The overall difference between individual patient doses across the four consultant hospitals investigated differed by factors of up to 53, 29.5 and 12 for the BS, BM and BE procedures, respectively. The majority of the mean values of KAP was lower than the reported values for Ghana, Greece, Spain and the UK, while slightly higher than those reported for India. The observed wide variation of KAP values for the same fluoroscopy procedure within and among the hospitals was largely attributed to the dynamic nature of the procedures, the patient characteristics, the skills and experience of personnel, and the different examination protocols employed among hospitals. The observed great variations of procedural protocols and patient doses within and across the hospitals call for the need to standardize examination protocols and optimize barium-based fluoroscopy procedures.

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Effective Doses in Radiology and Diagnostic Nuclear Medicine: A Catalog

Mettler¹,

Huda²,

Yoshizumi³

et al. 2008

Radiology

1,746

975

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Medical uses of radiation have grown very rapidly over the past decade, and, as of 2007, medical uses represent the largest source of exposure to the U.S. population. Most physicians have difficulty assessing the magnitude of exposure or potential risk. Effective dose provides an approximate indicator of potential detriment from ionizing radiation and should be used as one parameter in evaluating the appropriateness of examinations involving ionizing radiation. The purpose of this review is to provide a compilation of effective doses for radiologic and nuclear medicine procedures. Standard radiographic examinations have average effective doses that vary by over a factor of 1000 (0.01-10 mSv). Computed tomographic examinations tend to be in a more narrow range but have relatively high average effective doses (approximately 2-20 mSv), and average effective doses for interventional procedures usually range from 5-70 mSv. Average effective dose for most nuclear medicine procedures varies between 0.3 and 20 mSv. These doses can be compared with the average annual effective dose from background radiation of about 3 mSv.

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Patient Dose Variation Investigated in Four Irish Hospitals for Barium Meal and Barium Enema Examinations

Cited by 5 publications

References 0 publications

Radiation doses to patients undergoing barium meal and barium enema examinations

Radiation doses to patients undergoing barium meal and barium enema examinations

Initial Investigation of Factors Influencing Radiation Dose to Patients Undergoing Barium-Based Fluoroscopy Procedures in Tanzania

Effective Doses in Radiology and Diagnostic Nuclear Medicine: A Catalog

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