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Iranian Journal of Nuclear Medicine، جلد ۲۱، شماره ۲، صفحات ۶۰-۶۴
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عنوان انگلیسی Gated 99mTc-MIBI myocardial perfusion SPECT in patients with right bundle branch block but without evidence of coronary artery disease
چکیده انگلیسی مقاله Introduction: We aimed to investigate the effect of right bundle branch block (RBBB) on perfusion and functional parameters in dipyridamole stress/rest Tc99m-MIBI gated myocardial perfusion SPECT (GSPECT) which may be helpful in interpretation of myocardial perfusion imaging. Methods: We studied 73 patients with low pre-test likelihood of coronary artery disease in two groups: 38 patients with RBBB and 35 subjects with normal ECG. Both groups underwent two-day dipyridamole stress–rest Tc99m-MIBI GSPECT. Two groups were matched. There was no significant difference in sex and age variable between two groups. Results: Visual calculated SSS and SRS in all patients were between 0 and 3. Regarding the prone images, diaphragmatic attenuation and breast attenuation, all patients GSPECT findings were within normal limits. There was no significant difference in TID ratio between two groups: RBBB group: TID ratio= 1.02±0.16 and control group: TID ratio= 0.96±0.14 (P=0.09). There was no significant difference in left ventricular end-systolic volume, end-diastolic volume, ejection fraction, summed stress and rest motion & thickening scores between RBB patients group and control group. No regional LV wall motion abnormality was noticed in any patient in either group. Conclusion: High normality rate of the LV myocardial perfusion and functional indices in the presence of RBBB was noticed in gated Dipyridamole stress/rest Tc-99m sestamibi myocardial perfusion SPECT. No remarkable false positive perfusion findings or abnormal LV functional indices acquired by GSPECT in this group of patients.
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نویسندگان مقاله رامین صادقی |
nuclear medicine research center, ghaem hospital, faculty of medicine, mashhad university of medical sciences, mashhad, iran
سازمان اصلی تایید شده: دانشگاه علوم پزشکی مشهد (Mashhad university of medical sciences)

وحید رضا دباغ کاخکی | vahid reza dabbagh kakhki
nuclear medicine research center, ghaem hospital, faculty of medicine, mashhad university of medical sciences, mashhad, iran
سازمان اصلی تایید شده: دانشگاه علوم پزشکی مشهد (Mashhad university of medical sciences)

سید رسول زکوی | seyed rasoul
nuclear medicine research center, ghaem hospital, faculty of medicine, mashhad university of medical sciences, mashhad, iran
سازمان اصلی تایید شده: دانشگاه علوم پزشکی مشهد (Mashhad university of medical sciences)

مهدی رضا عمادزاده | mahdi reza
department of cardiovascular, imam reza hospital, mashhad university of medical sciences, mashhad, iran
سازمان اصلی تایید شده: دانشگاه علوم پزشکی مشهد (Mashhad university of medical sciences)

مریم ترابیان کاخکی | torabian kakhki
faculty of veterinary medicine, ferdowsi university of mashhad, mashhad, iran
سازمان اصلی تایید شده: دانشگاه فردوسی (Ferdowsi university)

ندا شفیع زاده |
nuclear medicine research center, ghaem hospital, faculty of medicine, mashhad university of medical sciences, mashhad, iran
سازمان اصلی تایید شده: دانشگاه علوم پزشکی مشهد (Mashhad university of medical sciences)

نشانی اینترنتی http://irjnm.tums.ac.ir/article_3243_526ba25f537a4f250639004bc3e7a5dd.pdf
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