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Medical Journal of Islamic Republic of Iran، جلد ۲۸، شماره ۱، صفحات ۹۷۵-۹۸۲
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عنوان انگلیسی X-ray radiation and the risk of multiple sclerosis: Do the site and dose of exposure matter?
چکیده انگلیسی مقاله Background: The sporadic cases of radiation-activated multiple sclerosis (MS) has been previously described, with a few studies focused on the relationship between radiation and the risk of MS. The aim of our study was to evaluate the association between history of X-ray radiation and MS. Methods : This case-control study was conducted on 150 individuals including 65 MS patients and 85 age- and sex-matched healthy controls enrolled using non-probability convenient sampling. Any history of previous X-ray radiation consisted of job-related X-ray exposure, radiotherapy, radiographic evaluations including chest X-ray, lumbosacral X-ray, skull X-ray, paranasal sinuses (PNS) X-ray, gastrointestinal (GI) series, foot X-ray and brain CT scanning were recorded and compared between two groups. Statistical analysis was performed using independent t test, Chi square and receiver operating characteristics (ROC) curve methods through SPSS software. Results : History of both diagnostic [OR=3.06 (95% CI: 1.32-7.06)] and therapeutic [OR=7.54 (95% CI: 1.59-35.76) X-ray radiations were significantly higher among MS group. Mean number of skull X-rays [0.4 (SD=0.6) vs. 0.1 (SD=0.3), p=0.004] and brain CT scanning [0.9 (SD=0.8) vs. 0.5 (SD=0.7), p=0.005] was higher in MS group as well as mean of the cumulative X-ray radiation dosage [1.84 (SD=1.70) mSv vs. 1.11 (SD=1.54) mSv p=0.008]. Conclusion : Our study was one of the first to show higher history of X-ray radiation in patients with MS compared to healthy controls. A possible association was also found between the dose and the site exposed to X-ray radiation and risk of developing MS.
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نویسندگان مقاله محمدرضا معتمد | mohammad reza motamed
department of neurology, firoozgar hospital, iran university of medical sciences; tehran, iran.

سازمان اصلی تایید شده: دانشگاه علوم پزشکی ایران (Iran university of medical sciences)

سید محمد فرشته نژاد | seyed mohammad fereshtehnejad
division of clinical geriatrics, department of neurobiology, care sciences, and society nvs , karolinskainstitutet, stockholm, sweden amp;firoozgar clinical research development center fcrdc , firoozgar hospital, iran university of medical sciences; te

سازمان اصلی تایید شده: دانشگاه علوم پزشکی ایران (Iran university of medical sciences)
سازمان های دیگر: KarolinskaInstitutet, Stockholm, Sweden &Firoozgar Clinical Research Development Center (FCRDC),

مریم عباسی | maryam abbasi
medical students research committee, shahed university of medical sciences; tehran, iran.

سازمان اصلی تایید شده: دانشگاه شاهد (Shahed university)

مستانه صانعی | mastaneh sanei
department of radiology, iran university of medical sciences; tehran, iran.

سازمان اصلی تایید شده: دانشگاه علوم پزشکی ایران (Iran university of medical sciences)

مینا عباسلو | mina abbaslou
department of neurology, firoozgar hospital, iran university of medical sciences; tehran, iran.

سازمان اصلی تایید شده: دانشگاه علوم پزشکی ایران (Iran university of medical sciences)

سمیه میثمی | somayeh meysami
department of neurology, firoozgar hospital, iran university of medical sciences; tehran, iran

سازمان اصلی تایید شده: دانشگاه علوم پزشکی ایران (Iran university of medical sciences)

نشانی اینترنتی http://mjiri.iums.ac.ir/browse.php?a_code=A-10-1-758&slc_lang=en&sid=en
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