| Abstrakt: |
Background: The most common radiological tests of the GI tract are barium meal and barium enema, which are performed using conventional fluoroscopy and digital fluoroscopy, all of which result in high radiation doses to patients. And it is carries some risks like the other X-ray procedures. The object of this research is to estimation of effective dose and a Cancer incidence risk associated with barium meal and barium enema in some hospitals in Erbil City-Kurdistan region/Iraq. Material & Material & Methods: The dosimetric survey was carried out on 120 patients. The procedures were performed by two equipments, the first was a Siemens unit which is a conventional fluoroscopy, and the second was Shimadzo which was a digital unit Beside BMI, patient exposures factors (mAs, kVp, exposure time, and air kerma) were measured. Organ doses, effective dose with per cent (%) of Risk of exposure-induced death (REID) were estimated by using PCXMC 2.0 software. Results: The mean±S.D for DAP values found in the present study are 25.20±2.41 Gy.cm2 and 12.80±0.68 Gy.cm2 for BaMC and BaMD, respectively, with significant differences p= 0.001 And, 32.13±0.25 Gy.cm2 and 25.0±2.68 Gy.cm2 for BaEC and BaED, respectively with significant differences p= 0.0001. the value of effective dose for BaMC and BaMD are (5.73±1.93,5.49±1.89)mSv and (2.72±1.22, 2.62±1.16)mSv, respectively. But for BaEC and BaED are (6.04±1.60, 7.07±1.86)mSv and (4.17±1.41, 4.90±1.63)mSv, respectively . The first and second values in the brackets correspond to the ICRP103 and ICRP60. The type of cancer received the high value of REID% for BaMC and BaMD is the Colon cancer (0.0128%, 0.069%) respectively, for male patients, but for female patients are Lung cancer (0.264%, 0.123%) respectively. Also, the high value of REID% for BaEC and BaED are the Colon cancer (0.283%, 0.174%) respectively, for male patients, but for female patients are the bladder cancer (0.275%, 0.183%) respectively Conclusion: From this study concluded that digital systems give a lower dose-areaproduct than non-digital systems for both examinations BaM and BaE. Also, the DAP for BaE is higher than that recorded for BaM. The three organs that received higher dose in both examination and both system are the same (Stomach, Liver and Colon ) Also, concluded that The REID% values for female patients were slightly higher than the corresponding values for males for both examination groups, and the REID% are higher from conventional procedure than that record for digital system. [ABSTRACT FROM AUTHOR] |
