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Showing 3 results for Angiography

Seyed Abedein Hosseini, Ali Akbar Abdollahi, Naser Behnampour, Aref Salehi,
Volume 6, Issue 5 (1-2013)
Abstract

Background and Aim: Despite the information regarding CAD risk factors, there isn't agreement between the relation of this risk factors and coronary artery diseases. This study was done for determination of related factors with vessels involved in coronary artery angiography.

Materials and Methods: In this descriptive and analytical study, 2390 patients' .were selected via census sampling from Kosar Angiography center in the Golestan province. Data gathering form included data such as age, gender, body mass index (BMI), blood pressure, diabetes, smoking and opiates addiction history. Vessels involved were determined by angiography. Data analysis was done with one way ANOVAs and logistic regression using SPSS 16 soft ware.

Results: Mean and standard deviation of patient's age was 57.9±10. 58.2 percent of them were male. There were significant correlations between age, gender and BMI with numbers of vessels involved. Male gender(OR=1.329), hypertension (OR=1.25) and diabetes(OR=1.20) increased the probability of more than one vessels involvement. Regression analysis showed there were no significant correlations between age, BMI, smoking and opiates addiction history with more than one vessels involvement.

Conclusion: Our finding confirmed that male gender, hypertension and diabetes are the main risk factors in involvement of more than one vessel.


Vahid Changizi, Fereidoun Mianji, Fereshteh Ghaderbeygizad, Fereshteh Mohammadi,
Volume 12, Issue 5 (1-2019)
Abstract

Background and Aim: Coronary angiography (CA) is a diagnostic and therapeutic procedure for cardiac complexity, that has a high dose and high fluoroscopy time. The effective dose of eye lens as a radiosensitive organ in long-term exposure to CA must be evaluated.
Materials and Methods: A cross-sectional study was performed with Siemens under-bed machine in Imam Hossein Hospital of Mehran, Ilam Province of Iran, in January and February 2016. In this study, TLD was used as personal dosimeter. To measure the effective doses, TLD was put on the external side of cardiologists’ eyes under lead glasses. Data were analyzed by spss22 at a significant level (p<0.05). 
Results: The mean fluoroscopy time in the radial route was 3.17±2.11 and in the femoral route was 12.65±6.97 minutes (p=0.003). The mean effective doses of cardiologists’ right and left eyes in radial and femoral angiography were 0.003, 0.005 (p=0.02) and 0.008, 0.011 (p=0.748), respectively. The mean effective dose of eye lens in the use of radial route was obtained less than that of femoral route. The mean effective doses in right and left eyes were not significantly different in the use of radial and femoral routes.
Conclusion: Fluoroscopy time and the distance of source are the main factors of more radiation on cardiologists.

Zahra Danaei, Elahe Jazayeri Gharehbagh, Seyed Mahdi Hosseini Pooya, Samaneh Baradaran,
Volume 14, Issue 5 (1-2021)
Abstract

Background and Aim: In angiography, the lens of the eye may be exposed to radiation and cause cataracts. In Iran, at present, only a single film dosimeter is used under the lead-apron to evaluate individual doses. The aim of this study was to investigate the status of occupational radiation as well as the validity of measuring the dose of the whole body of individuals and eye lenses using a single film dosimeter.
Materials and Methods: In this study, the dose of the whole body and eye lenses were measured using a combination of film and thermoluminescence dosimeters for 35 employees of the angiography departments in three selected hospitals under the auspices of Tehran University of Medical Sciences(TUMS). To measure the eye lens dose, three thermoluminescence dosimeter pellets were used on the forehead, and left and right eyes; and to measure the whole body dose using the two-dosimetry method, a TLD card mounted on the chest and on the lead apron and a film dosimeter on the chest and under the lead apron were used.
Results: The angiography personnel's monthly dose mean of the eye lenses and the whole body were approximately 240.6±6.4 μSv and 120.3±3.3 μSv, 
respectively(the corresponding amount for the annual dose is less than the levels recommended by international authorities). In addition, the dose ratio of film badge to whole body and eye  lens was 0.35 and 0.51, with correlation coefficients of 0.97 and 0.5, respectively. Also, the ratio of eye lens dose to depth dose(TLD) on the lead apron was 1.18 with a correlation coefficient of 0.79.
Conclusion: Using a single film dosimter under the lead apron to estimate the dose of the whole body is almost accurate but this dosimeter alone is not suitable for the assessment of the lens dose of the eye; it is necessary to use an individual dosimeter on the lead apron.
 


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