نتایج جستجو برای: perfusion

تعداد نتایج: 48571  

Imatinib is an orally administered tyrosine kinase inhibitor which inhibits the Bcr-Abl protein-tyrosine kinase with high selectivity. Imatinib is rapidly absorbed from the gut, after oral intake and has an almost absolute bioavailability of 98%. The metabolism of imatinib is mediated by the cytochrome P450 (CYP) isoenzymes in the liver and gut wall. CGP74588 is a major active metabolite of ima...

Journal: :iranian journal of nuclear medicine 2012
farzaneh shariati vahid reza dabbagh kakhki ramin sadeghi

nuclear medicine imaging is routinely used for evaluation of perfusion and function of the transplanted kidneys. at present, the radiopharmaceutical of choice for this study in our center is tc 99m-ec. complications of the kidney graft are demonstrable in the early and delayed images. one of these complications is vesicoureteral reflux to the graft or to the native kidneys. we present a 27 year...

جوهری دها, فریبا, رسانه, سمیرا,

Background and Objective: In nuclear medicine, lung perfusion scintigraphy is performed by radiolabeled particles, 99 mTc-albumin macroaggregated. Synthesizing of the particles has some difficulties. In order to resolve this problem, chitosan microparticles were used as an alternative choice.  Materials and Methods: The qualitative control tests including: the determining particles size...

توکلی, محمودرضا, حسینی, محمود, شکیبی, زینب, عنانی سراب, غلامرضا, غلامی ملکشاهی, رضا, مصباح‌زاده, بهزاد,

Background and Aim: As more people are at risk of cardiovascular diseases the demand for screening them is increasing. Myocardial perfusion imaging (MPI),due to not being aggressive, is used for the detection of coronary diseases and ,moreover, for the finding of the extent, severity, and location of ischemia. In the present study,myocardial perfusion scans were assessed. Materials and Methods:...

Journal: :The Journal of Thoracic and Cardiovascular Surgery 2021

ObjectivesEx vivo lung perfusion provides an innovative method to assess and repair donor lungs. The current Toronto ex protocol can reliably reproducibly preserve lungs for 12 hours. A longer preservation time could enable the application of more advanced therapies rescue transplant. Our objective was achieve stable 24-hour normothermic perfusion.MethodsWe systematically examined 3 modificatio...

Journal: :IFAC-PapersOnLine 2021

Electrical Impedance Tomography (EIT) is mainly used to display information about the respiration of a patient. However, also cardiac-related signals are present, and, although they have small amplitude, can be distinguished by their frequencies. In this contribution, we report method based on harmonic analysis separate and perfusion. These described summation amplitude-modulated at different W...

Journal: :Medicinskaâ vizualizaciâ 2023

Oxygen metabolism is a key factor in the life of living organism. The article first part review methods for measuring oxygen metabolism. Purpose. aim this to present an insight into evolution way from global local measurement brain perfusion. role 15 O isotope as “gold standard” using positron emission tomography (PET) described. We also provide case report tumor perfusion measurements our clin...

Journal: :Microvascular research 2014
S Morteza Seyed Jafari Megir Schawkat Dimitri Van De Ville Maziar Shafighi

We used real-time LDI to study regional variations in microcirculatory perfusion in healthy candidates to establish a new methodology for global perfusion body mapping that is based on intra-individual perfusion index ratios. Our study included 74 (37 female) healthy volunteers aged between 22 and 30 years (mean 24.49). Imaging was performed using a recent microcirculation-imaging camera (EasyL...

Journal: :Scilight 2022

Sensing technology provides quantitative characterization of blood flow, hydration, perfusion, skin temperature, and thermal transport properties.

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