Zobrazeno 1 - 10
of 133
pro vyhledávání: '"Ahmad Bitarafan"'
Autor:
Ghasem Hajianfar, Maziar Sabouri, Yazdan Salimi, Mehdi Amini, Soroush Bagheri, Elnaz Jenabi, Sepideh Hekmat, Mehdi Maghsudi, Zahra Mansouri, Maziar Khateri, Mohammad Hosein Jamshidi, Esmail Jafari, Ahmad Bitarafan Rajabi, Majid Assadi, Mehrdad Oveisi, Isaac Shiri, Habib Zaidi
Publikováno v:
Zeitschrift für Medizinische Physik, Vol 34, Iss 2, Pp 242-257 (2024)
Purpose: Whole-body bone scintigraphy (WBS) is one of the most widely used modalities in diagnosing malignant bone diseases during the early stages. However, the procedure is time-consuming and requires vigour and experience. Moreover, interpretation
Externí odkaz:
https://doaj.org/article/cccc61770cac4092a0a24471db76c9f3
Autor:
Seyed Mohammad Zamani-Aliabadi, Salah D. Qanadli, Seyed Hasan Fatehi-Feyzabad, Mohsen Ghasemnezhad, Hamidreza Ghaemi, Arshid Azarine, Ali Mohammadzadeh, Ahmad Bitarafan-Rajabi, Hojjat Mortezaeian, Kiara Rezaei-Kalantari
Publikováno v:
Frontiers in Cardiovascular Medicine, Vol 11 (2024)
ObjectivesThe percentage of shunt fraction significantly impacts the management of patients with congenital shunts, influencing strategic choices such as surgical or interventional procedures. This study compared the estimated shunt fraction (the rat
Externí odkaz:
https://doaj.org/article/2ff12bed4dee4068850003619a635ea0
Autor:
Maziar Sabouri, Ahmad Bitarafan Rajabi, Ghasem Hajianfar, Omid Gharibi, Mobin Mohebi, Atlas Haddadi Avval, Nasim Naderi, Isaac Shiri
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-13 (2023)
Abstract This study intends to predict in-hospital and 6-month mortality, as well as 30-day and 90-day hospital readmission, using Machine Learning (ML) approach via conventional features. A total of 737 patients remained after applying the exclusion
Externí odkaz:
https://doaj.org/article/89827c97c14548ed8c61a170af6964e5
Autor:
Khadijeh Bamneshin, Seied Rabi Mahdavi, Ahmad Bitarafan-Rajabi, Parham Geramifar, Payman Hejazi, Majid Jadidi
Publikováno v:
Journal of Biomedical Physics and Engineering, Vol 12, Iss 5, Pp 497-504 (2022)
Background: Respiratory movement and the motion range of the diaphragm can affect the quality and quantity of prostate images.Objective: This study aimed to investigate the magnitude of respiratory-induced errors to determine Dominant Intra- prostati
Externí odkaz:
https://doaj.org/article/f6d570ec9b654c73a99fc140028abb80
Autor:
Khadijeh Bamneshin, Seied Rabi Mahdavi, Ahmad Bitarafan-Rajabi, Parham Geramifar, Payman Hejazi, Fereshteh Koosha, Majid Jadidi
Publikováno v:
Journal of Biomedical Physics and Engineering, Vol 12, Iss 4, Pp 369-376 (2022)
Background: Patients diagnosed with dominant intraprostatic lesions (DIL) may need radiation doses over than 80 Gy. Dose-painting by contours (DPC) is a useful technique which helps the patients. Dose-painting approach need to be evaluated. Objective
Externí odkaz:
https://doaj.org/article/e7c7154df92d43ec97ee44793c6ca804
Autor:
Naser Mohtavinejad, Maliheh Hajiramezanali, Mehdi Mehdi Akhlaghi, Ahmad Bitarafan-Rajabi, Nazila Gholipour
Publikováno v:
Iranian Journal of Basic Medical Sciences, Vol 24, Iss 11, Pp 1488-1499 (2021)
Objective(s): Myocardial infarction caused by ischemia of heart tissue is the main reason for death worldwide; therefore, early detection can reduce mortality and treatment costs. Erythropoietin (EPO) has protection effects on ischemic tissue due to
Externí odkaz:
https://doaj.org/article/3b00bc8b4ea44dab8aec1503739cbc19
Publikováno v:
Frontiers in Biomedical Technologies, Vol 10, Iss 1 (2022)
Purpose: The use of ionizing radiation in medical research, treatment, and diagnosis is inevitable and expanding day by day. Meanwhile, in two modes of Computed Tomography (CT) and Single Photon Emission Computed Tomography (SPECT) imaging, the dose
Externí odkaz:
https://doaj.org/article/27f0037897c94145902b2a502351f5f6
Autor:
Adnan Honardari, Ahmad Bitarafan-Rajabi, Razieh Solgi, Mahsa Shakeri, Kiara Rezaei-Kalantari, Hossein Ghadiri
Publikováno v:
Frontiers in Biomedical Technologies, Vol 8, Iss 4 (2021)
Purpose: This study aimed at evaluating the image quality characteristics of advanced noise-optimized and traditional virtual monochromatic images compared with conventional 120-kVp images from second-generation Dual-Source CT. Materials and Metho
Externí odkaz:
https://doaj.org/article/dd13e2bd001a451799b5d42f105b66da
Publikováno v:
Iranian Journal of Medical Physics, Vol 16, Iss 6, Pp 430-438 (2019)
Introduction: Myocardial perfusion imaging is a nuclear medicine imaging method that is used to detect coronary artery diseases. One of the main sources of error in this imaging method is the detection of Compton scattered photons in the photopeak en
Externí odkaz:
https://doaj.org/article/134bd7216b6f459bb342407522edc857
Autor:
Ghazal Mehri-Kakavand, Hadi Hasanzadeh, Rouzbeh Jahanbakhsh, Maryam Abdollahi4,, Reza Nasr, Ahmad Bitarafan-Rajabi, Majid Jadidi, Amir Darbandi-Azar, Alireza Emadi
Publikováno v:
Oman Medical Journal, Vol 34, Iss 2, Pp 147-155 (2019)
Objectives: Carbon nanotubes (CNTs) are allotropes of carbon with a length-to-diameter ratio greater than 106 with the potential uses as medical diagnostic or therapeutic agents. In vitro studies have revealed that gadolinium (Gd) nanoparticle-cataly
Externí odkaz:
https://doaj.org/article/5f951adac9be491593ecbddebd482761