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Iranian Heart Journal، جلد ۲۰، شماره ۲، صفحات ۴۷-۵۵
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عنوان انگلیسی Impact of Hypertension on the Phase Analysis Parameters of Gated Single-Photon Emission Computed Tomography Myocardial Perfusion Imaging
چکیده انگلیسی مقاله Background: We sought to evaluate the association between hypertension (HTN) and left ventricular (LV) mechanical synchrony parameters derived via the phase analysis of gated single-photon emission computed tomography (GSPECT) myocardial perfusion imaging (MPI). Methods: Ninety-nine patients with no known coronary heart disease (CHD) who underwent GSPECT MPI and had normal resting and post-stress scan with a recent normal echocardiographic examination and a positive history of HTN were recruited. The gated images were analyzed by Cedar–Sinai's quantitative GSPECT. The global and regional LV mechanical synchrony indices-including phase histogram bandwidth (PHB), phase standard deviation (PSD), and entropy-were derived and compared with the results of the control group, which had previously been defined with the same protocol for a group of 100 patients with a low likelihood for CHD. Results: Comparisons between the study and control groups revealed that neither global nor regional wall-based indices for PHB, PSD, and entropy were significantly different between the 2 groups (P> 0.05), whether or not HTN was accompanied by comorbid diabetes. Congruent with the control group, a significant difference was detected between the global LV phase parameters of the 2 genders (P< 0.05). Conclusions: HTN does not intrinsically have a significant impact on the mechanical synchrony indices of GSPECT MPI.
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نویسندگان مقاله Nahid Yaghoobi |
Rajaie Cardiovascular, Medical, and Research Center, Iran University of Medical Sciences, Tehran, IR Iran

Zahra Jamshidi Araghi |
Rajaie Cardiovascular, Medical, and Research Center, Iran University of Medical Sciences, Tehran, IR Iran

Hadi Malek |
Rajaie Cardiovascular, Medical, and Research Center, Iran University of Medical Sciences, Tehran, IR Iran

Hasan Firoozabadi |
Rajaie Cardiovascular, Medical, and Research Center, Iran University of Medical Sciences, Tehran, IR Iran

Fereydoon Rastgou |
Rajaie Cardiovascular, Medical, and Research Center, Iran University of Medical Sciences, Tehran, IR Iran

Hooman Bakhshande |
Rajaie Cardiovascular, Medical, and Research Center, Iran University of Medical Sciences, Tehran, IR Iran

Ahmad Bitarafan Rajabi |
Rajaie Cardiovascular, Medical, and Research Center, Iran University of Medical Sciences, Tehran, IR Iran

نشانی اینترنتی http://journal.iha.org.ir/article_85673_4df116749595384564b866d89db3036d.pdf
فایل مقاله اشکال در دسترسی به فایل - ./files/site1/rds_journals/162/article-162-1423835.pdf
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