A National Survey: II. Performance of Medical Fluoroscopic X-Ray Systems in Greece

Hourdakis, C. J.; Papageorgiou, E.; Tritakis, P.; Manousaridis, G.; Hadjiantoniou, A.

doi:10.1093/oxfordjournals.rpd.a032587

Cited by 4 publications

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“…Measurement of the exposure dose in patients and medical personnel and their comparison with published data by ICRP and protocol of the National Radiological Protection Board (NRPB) regarding the safe range of exposure dose in a year will help reduce radiation side effects [7][8][9][10][11].…”

Section: Introductionmentioning

confidence: 99%

Patient exposure dose for chest and skull radiographies in Mazandaran hospitals

Etemadinezhad

Rahimi

2010

Journal of X-Ray Science and Technology

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Background and purpose: Radiographic techniques are essential methods of diagnosis, and their use has been increased, especially with the development of the new technologies. Inappropriate administration of these techniques may put both the patients and personnel at unnecessary risks. The objective of this research was to measure the skin dose of chest and skull radiographies used in Mazandaran hospitals and to compare these doses with national and international standards.Materials and methods: In this cross-sectional study, six X-ray generators at six hospitals affiliated to Mazandaran University of Medical Sciences were included. One hundred and twenty patients referred to the radiology wards for radiographic examinations of chest and skull with normal body mass index (BMI) were selected (20 patients for each radiography unit). The generators were matched for mAs, kvp, type of amplifier sheets, and technical conditions as much as possible. Calibrated thermo luminescence dosimeters (TLD-USA, Lif-100) were used to measure the skin dose by placing them on the patients' back and the absorbed doses by TLDs were read by a TLD reader (model: Harshuu, TLD3500, Japan).Results: The mean values of the skin dose were 0.51 mGray for posteroanterior (PA), chest X-ray (CXR), 3.36 mGray for lateral CXR, 7.25 mGray for anterroposterior (AP) or PA skull X-rays, and 7.59 mGray for lateral skull X-rays. The measured values were higher than the national and international standards.Conclusion: The results of this research revealed that the conditions of the X-ray generators should be monitored and modified periodically. Modifying the X-ray generators plus improving technicians' skills would, to some extent, reduce the radiation exposure of the patients.

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Section: Introductionmentioning

confidence: 99%

Patient exposure dose for chest and skull radiographies in Mazandaran hospitals

Etemadinezhad

Rahimi

2010

Journal of X-Ray Science and Technology

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“…From the above analysis, it is deduced that an improvement in the overall performance of fluoroscopic systems in Greece has been achieved. In the private sector, there was a 14.1% increase in the number of systems which are in full compliance with the Radiation Protection Regulations compared to the results of a similar study performed by Hourdakis et al (10) . Fluoroscopic equipment installed in the public sector shows better performance characteristics as a result of the frequent quality control checks performed by the medical physicists employed on a full time basis.…”

Section: Discussionmentioning

confidence: 49%

“…Comparison of the DRL values proposed by this study to those recommended by other countries and organisations for standard fluoroscopic procedures (10) . In Table 4, the results concerning private owned fluoroscopic systems are compared to those of a similar study (10) in the performance of fluoroscopic systems in Greece for the period 1995-1997. It is easily deduced that the percentage of systems that are in full compliance with the Radiation Protection Regulations increased from 45.2 to 59.3%.…”

Section: Patient Dose Assessmentmentioning

confidence: 92%

“…The phantom represents an average sized patient and consists of 45 mm of Al covered by 1.2 mm Cu sheets. It contains several holes of various diameters and regions of different Cu thicknesses from which the performance of fluoroscopic systems can be evaluated, regarding image uniformity, distortion and low-contrast detectability (10) .…”

Section: Methodsmentioning

confidence: 99%

“…C-arm type fluoroscopic systems often used in interventional procedures are not included in this survey. The results are compared to those of a similar study performed by Hourdakis et al (10) during the time period 1995-1997 and the derived conclusions are used as an index for the evaluation of the National Radiation Protection System. Moreover, the third quartile of the Entrance Surface Dose Rate (ESDR) distribution was estimated according to the Dose Reference Level (DRL) definition (11,12) .…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Image quality evaluation and patient dose assessment of medical fluoroscopic X-ray systems: a national study

Economides

Hourdakis

Kalivas

et al. 2007

Radiation Protection Dosimetry

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This study presents the results from a survey conducted by the Greek Atomic Energy Commission (GAEC), during the period 1998-2003, in 530 public and private owned fluoroscopic X-ray systems in Greece. Certain operational parameters for conventional and remote control systems were assessed, according to a quality control protocol developed by GAEC on the basis of the current literature. Public (91.5%) and private (81.5%) owned fluoroscopic units exhibit high-contrast resolution values over 1 lp mm(-1). Moreover, 88.5 and 87.1% of the fluoroscopic units installed in the public and private sector, respectively, present Maximum Patient Entrance Kerma Rate values lower than 100 mGy min(-1). Additionally, 68.3% of the units assessed were found to perform within the acceptance limits. Finally, the third quartile of the Entrance Surface Dose Rate distribution was estimated according to the Dose Reference Level definition and found equal to 35 mGy min(-1).

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Considering Dose Rate in Routine X-ray Examination by Thermoluminescent Dosimetry (TLD) in Radiology units of Mazandaran Hospitals

Rahimi

2008

IFMBE Proceedings

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A National Survey: II. Performance of Medical Fluoroscopic X-Ray Systems in Greece

Cited by 4 publications

References 0 publications

Patient exposure dose for chest and skull radiographies in Mazandaran hospitals

Patient exposure dose for chest and skull radiographies in Mazandaran hospitals

Image quality evaluation and patient dose assessment of medical fluoroscopic X-ray systems: a national study

Considering Dose Rate in Routine X-ray Examination by Thermoluminescent Dosimetry (TLD) in Radiology units of Mazandaran Hospitals

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