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Fluoroscopic-based algorithm for commissural alignment assessment after transcatheter aortic valve implantation.
Rev Esp Cardiol (Engl Ed)
February 2022
Departamento de Cardiología, Hospital Clínico Universitario, Valladolid, Spain; Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERCV), Spain.
Commissioning of a fluoroscopic-based real-time markerless tumor tracking system in a superconducting rotating gantry for carbon-ion pencil beam scanning treatment.
Med Phys
April 2019
Toshiba Energy System & Solutions Corporation, Kanagawa, 212-8585, Japan.
Purpose: To perform the final quality assurance of our fluoroscopic-based markerless tumor tracking for gated carbon-ion pencil beam scanning (C-PBS) radiotherapy using a rotating gantry system, we evaluated the geometrical accuracy and tumor tracking accuracy using a moving chest phantom with simulated respiration.
Methods: The positions of the dynamic flat panel detector (DFPD) and x-ray tube are subject to changes due to gantry sag. To compensate for this, we generated a geometrical calibration table (gantry flex map) in 15° gantry angle steps by the bundle adjustment method.
A REVIEW OF TWO METHODS USED IN THE USA TO ASSESS HE DURING FLUOROSCOPIC-BASED RADIOLOGY.
Radiat Prot Dosimetry
September 2016
Landauer, Inc., 2 Science Road, Glenwood, IL 60425, USA.
Dosemeter results for ∼81 500 people performing fluoroscopic and interventional radiology procedures were examined to identify differences between groups monitored either by using two dosemeters, one placed at the collar above the apron and a second placed under the apron on the torso (EDE1) or by using one single dosemeter placed at the collar above the apron (EDE2). The median annual HE was 0.17 mSv for those monitored using the EDE1 protocol and 0.
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