Radiation dose in interventional fluoroscopic procedures

Geise, Richard A.; O'Dea, Thomas J.

doi:10.1016/s0969-8043(98)00046-3

Cited by 53 publications

(29 citation statements)

References 28 publications

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“…If it is worn on minimum exposure areas, such as on the waist under the lead apron, then the reading may be drastically lower than the actual exposure rate. 17 If worn near the neck line of the lead apron, then it has the advantage of being able to obtain the exposure rate of the head area, but the entire exposure rate could be exaggerated. Therefore, a study is needed to obtain data on the appropriate position of the dosimeter when practicing ERCP.…”

Section: Discussionmentioning

confidence: 99%

Lack of Radiation Protection for Endoscopists Performing Endoscopic Retrograde Cholangiopancreatography

Son

Lee

Kim

et al. 2011

Korean J Gastroenterol

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Background/Aims: ERCP using fluoroscopy should be practiced with an adequate radiation protection. However, the awareness of gastrointestinal endoscopists to radiation protection was considered insufficient. In Korea, a country with a rapid increase the number of ERCP procedures, there is no data about radiation protection practices for gastrointestinal endoscopists. The purpose of this study was to investigate current clinical practices and the awareness on radiation protection in ERCP performing physicians in Korea. Methods: An anonymous questionnaire regarding radiation protection practices was mailed to 100 members of Korean Pancreatobiliary Association who was porforming ERCP. The questionnaire included ERCP volume of each endoscopist, use of protection devices such as apron, thyroid shield, lead glasses and any mobile shield for scattered radiation, and whether they monitored their own radiation exposure dosage. Results: All respondents wore lead aprons during ERCP. While 52.5% of endoscopists answered that they always wear thyroid guards, 26.9% rarely or never wore it. Only 14% wore lead glasses during the procedure and 69% never wore it. The preparation rates of mobile shields or lead curtains were only 14% and 24%, respectively. Only 10% of endoscopists attached an X-ray badge and 66.7% never used it. Moreover, 75% of endoscopists responded that they did not monitor their own exposure dose to radiation during ERCP. Conclusions: The lack of radiation protection of ERCP endoscopists in Korea was seemed serious. Awareness of radiation hazard should be more concerned and educated in parallel with the preparation of radiation protection equipments. (Korean J Gastroenterol 2011;58:93-99)

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Section: Discussionmentioning

confidence: 99%

Lack of Radiation Protection for Endoscopists Performing Endoscopic Retrograde Cholangiopancreatography

Son

Lee

Kim

et al. 2011

Korean J Gastroenterol

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“…Even these estimates are subject to considerable error as real endoscopic spine procedures are often complex and require dynamic changes in field size, geometry, position, and kilovolt peak. 4,6,13,19 Radiation exposure doses also depend on a number of factors intrinsic to the fluoroscopy machine, the body composition of the patient, and the user setup, such as collimation and source-to-skin distance. 4,6,13,19 And although the data on patient radiation exposure during endoscopic lumbar discectomy procedures presented here represent calculated approximations, we conclude that 1) patient radiation exposure during endoscopic spine surgery is small, 2) L5-S1 discectomies are significantly longer in duration than discectomies at other lumbar levels and require longer fluoroscopy times, and 3) the surgeon learning curve involved in endoscopic spine procedures also has an impact on patient radiation exposure.…”

Section: Discussionmentioning

confidence: 99%

Patient radiation exposure during transforaminal lumbar endoscopic spine surgery: a prospective study

Iprenburg¹,

Wagner

Godschalx³

et al. 2016

FOC

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OBJECTIVE The aim of this study was to describe patient radiation exposure during single-level transforaminal endoscopic lumbar discectomy procedures at levels L2–5 and L5–S1. METHODS Radiation exposure was monitored in 151 consecutive patients undergoing single-level transforaminal endoscopic lumbar discectomy procedures. Two groups were studied: patients undergoing procedures at the L4–5 level or above and those undergoing an L5–S1 procedure. RESULTS For the discectomy procedures at L4–5 and above, the average duration of fluoroscopy was 38.4 seconds and the mean calculated patient radiation exposure dose was 1.5 mSv. For the L5–S1 procedures, average fluoroscopy time was 54.6 seconds and the mean calculated radiation exposure dose was 2.1 mSv. The average patient radiation exposure dose among these cases represents a 3.5-fold decrease compared with the senior surgeon's first 100 cases. CONCLUSIONS Transforaminal lumbar endoscopic discectomy can be used as a minimally invasive technique for the treatment of lumbar radiculopathy in the setting of a herniated lumbar disc without the significant concern of exposing the patient to harmful doses of radiation. One caveat is that both the surgeon and the patient are likely to be exposed to higher doses of radiation during a surgeon's early experience in minimally invasive endoscopic spine surgery.

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“…High energy radiation, such as X-rays, is known as ionizing radiation because it has enough energy to break chemical bonds and knock electrons (negatively charged particles) out of atoms. Photon is generated from the high-energy electron accelerators (LINAC) where an electron beam can be accelerated up to about 20 MeV [3][4][5][6][7][8][9]. When electron beam impinged into thin metal photon is created via bremsstrahlung processes in medical hospital.…”

Section: Methodsmentioning

confidence: 99%

Photoneutron Dose Measurement in Radiotherapy Room

2015

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Cancer is one of the main disease to threat for human health. Besides surgery and medical treatment (chemotherapy), radiotherapy is commonly used treatment method to kill cancer cell. For this method high energy photon is required. Clinic Lineer Accelerator (cLINAC) relatively lower energy than other LINAC has been used to obtain photon via bremsstrahlung processes. When accelerated electron beam impinges to the thin target bremsstrahlung occurs and photon can be created. Those photons can be focused on cancer cell and kill cancer. In order to focus photon beam collimator materials in LINAC head generally contains heavy elements is used and the interaction of bremsstrahlung photon with the such heavy nuclei the neutron can be produced inside the treatment rooms. The threshold of the neutron production for those materals is about 10 MeV. As the neutron is more dangerous than photon it is important to determine neutron dose during radiotherapy treatment. In this study neutron dose rate has been measured and simulated in radiotherapy room.

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Radiation dose in interventional fluoroscopic procedures

Cited by 53 publications

References 28 publications

Lack of Radiation Protection for Endoscopists Performing Endoscopic Retrograde Cholangiopancreatography

Lack of Radiation Protection for Endoscopists Performing Endoscopic Retrograde Cholangiopancreatography

Patient radiation exposure during transforaminal lumbar endoscopic spine surgery: a prospective study

Photoneutron Dose Measurement in Radiotherapy Room

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