Zobrazeno 1 - 10
of 52
pro vyhledávání: '"D. S. Semenov"'
Publikováno v:
Вестник рентгенологии и радиологии, Vol 105, Iss 2, Pp 58-74 (2024)
Background. Cardiovascular diseases remain a pressing issue associated with great economic burden and loss of earning capacity. Among them, thoracic aortic aneurysms pose a serious threat as they commonly develop asymptomatically. Patients with aneur
Externí odkaz:
https://doaj.org/article/652967e973564f62ac0740d1605438cb
Autor:
A. V. Petraikin, Z. R. Artyukova, N. D. Kudryavtsev, D. S. Semenov, A. K. Smorchkova, S. S. Repin, E. S. Akhmad, F. A. Petriaikin, L. A. Nisovtsova, A. V. Vladzimirskyy
Publikováno v:
Вестник рентгенологии и радиологии, Vol 104, Iss 1, Pp 21-29 (2023)
Objective: to conduct the study of age distribution of bone mineral density (BMD) by the database of dualenergy X-ray absorptiometry (DXA) and to compare it with datа of population NHANES study. Material and methods. We used data from the densitomet
Externí odkaz:
https://doaj.org/article/d44eb6ee9729489fbe1ff5f9383e61e0
Autor:
A. V. Petraikin, N. V. Toroptsova, O. A. Nikitsinskaya, S. Yu. Kuznetsov, L. A. Nisovtsova, E. S. Akhmad, Z. R. Artykova, D. S. Semenov, K. A. Sergunova, A. V. Vladzymyrskyy, S. P. Morozov
Publikováno v:
Научно-практическая ревматология, Vol 60, Iss 3, Pp 360-368 (2022)
The aim – to determine the possibility of identifying individuals with osteoporosis using asynchronous computed quantitative tomography (CT) of the proximal femur by comparison with dual-energy X-ray absorptiometry (DХA).Materials and methods. The
Externí odkaz:
https://doaj.org/article/52ba4be856ae45cd970d7169e4e306fe
Autor:
A. V. Petraikin, F. A. Petriaikin, К. A. Sergunova, L. A. Nizovtsova, E. S. Akhmad, D. S. Semenov, N. S. Polishchuk, S. P. Morozov, A. V. Vladzymyrskyy
Publikováno v:
Вестник рентгенологии и радиологии, Vol 100, Iss 5, Pp 270-277 (2019)
Objective. To compare bone mineral density (BMD) values derived during one-year asynchronous quantitative computed tomography (QCT) in two urban polyclinics (UPs).Material and methods. The investigation enrolled women aged 40 to 85 years: 694 and 724
Externí odkaz:
https://doaj.org/article/ea6f45e4866d4b9584ca515d1d5d95e7
Autor:
A. A. Shelepa, A. V. Petraikin, Z. R. Artyukova, L. R. Abuladze, N. D. Kudryavtsev, E. S. Ahmad, D. S. Semenov, A. A. Zakharov, M. G. Belyaev
Publikováno v:
Digital Diagnostics, Vol 3, Iss 1S, Pp 23-24 (2022)
Externí odkaz:
https://doaj.org/article/0440aa1757304b039bd8cd4e832e7ec9
Autor:
A. V. Petraikin, M. Ya. Smoliarchuk, F. A. Petryaykin, L. A. Nisovtsova, Z. R. Artyukova, K. A. Sergunova, E. S. Akhmad, D. S. Semenov, A. V. Vladzymyrsky, S. P. Morozov
Publikováno v:
Travmatologiâ i Ortopediâ Rossii, Vol 25, Iss 3, Pp 124-134 (2019)
Purpose of the study — to assess the accuracy of dual energy x-ray absorptiometry (DXA ) for measurements of mineral bone density, bone mineral content, area of selected spine zone of examination as well as impact of subcutaneous fat layer and corr
Externí odkaz:
https://doaj.org/article/4510f167b4be4bfcaf2901e1c50234ce
Autor:
Y. A. Vasilev, M. Y. Marusina, D. S. Semenov, V. A. Yatseev, E. S. Akhmad, A. V. Petryaikin, Y. N. Vasileva
Publikováno v:
Naučno-tehničeskij Vestnik Informacionnyh Tehnologij, Mehaniki i Optiki, Vol 19, Iss 1, Pp 173-180 (2019)
Subject of study. Magnetic resonance imaging (MRI) is one of the most common and popular methods of medical imaging, based on the phenomenon of nuclear magnetic resonance. Despite the absence of ionizing radiation, there are some risk factors for the
Externí odkaz:
https://doaj.org/article/2aabfcd5c63f4070a152a9ef7de85a40
Autor:
Z. R. Artyukova, N. D. Kudryavtsev, A. V. Petraikin, L. R. Abuladze, A. K. Smorchkova, E. S. Akhmad, D. S. Semenov, M. G. Belyaev, Zh. E. Belaya, A. V. Vladzimirskyy, Yu. A. Vasiliev
Publikováno v:
Medical Visualization. 27:125-137
Goal: To develop a method for automated assessment of the volumetric bone mineral density (BMD) of the vertebral bodies using an artificial intelligence (AI) algorithm and a phantom modeling method.Materials and Methods: Evaluation of the effectivene
Autor:
O. Yu. Panina, A. I. Gromov, E. S. Akhmad, A. V. Petraikin, D. A. Bogachev, D. S. Semenov, A. V. Vladzymyrskyy, Yu. A. Vasilev
Publikováno v:
Medical Visualization. 26:147-158
Objective. Quantitative assessment of Dixon two-point and three-point technologies operation using phantom modeling in the range from 0 to 70%.Materials and methods. To simulate substances with different concentrations of the fat phase we chose direc
Autor:
V. O. Ripp, P. E. Menshchikov, D. A. Kupriyanov, P. A. Bulanov, K. A. Sergunova, D. S. Semenov, T. P. Berezovskaya, S. A. Ivanov, A. D. Kaprin
Publikováno v:
Meditsinskaya Fizika. 94:76-84
Additional suppression of the background signal in diffusion-weighted images (DWIBS) allows to get more contrast images to highlight areas with restricted diffusion, for example, in many malignant primary and metastatic tumors. Due to fundamental dif