نتایج جستجو برای: dose area product

تعداد نتایج: 1137676  

Introduction: Coronary angiography is the most common angiographic procedure for diagnosis and treatment of the heart diseases. Herein, we aimed to evaluate the entrance surface dose (ESD), dose area product (DAP), as well as cancer risk in interventional cardiology procedures. Materials and Methods: This study was conducted during July-December 2015 at Shahid Madani Heart Center in Khorramabad...

2017
Ljubisa Borota Lars Jangland Per-Erik Åslund Elisabeth Ronne-Engström Christoffer Nyberg Ehab Mahmoud Takuya Sakaguchi Andreas Patz

Background Increased interest in radiation dose reduction in neurointerventional procedures has led to the development of a method called "spot fluoroscopy" (SF), which enables the operator to collimate a rectangular or square region of interest anywhere within the general field of view. This has potential advantages over conventional collimation, which is limited to symmetric collimation cente...

Journal: :Circulation 2005
Klaus Bacher Evelien Bogaert Régine Lapere Daniël De Wolf Hubert Thierens

BACKGROUND Because of the higher radiosensitivity of infants and children compared with adults, there is a need to evaluate the doses delivered to pediatric patients who undergo interventional cardiac procedures. However, knowledge of the effective dose in pediatric interventional cardiology is very limited. METHODS AND RESULTS For an accurate risk estimation, a patient-specific Monte Carlo s...

Journal: :Radiation protection dosimetry 2013
V Antic O Ciraj-Bjelac M Rehani S Aleksandric D Arandjic M Ostojic

Workers involved in interventional cardiology procedures receive high eye lens dose if protection is not used. Currently, there is no suitable method for routine use for the measurement of eye dose. Since most angiography machines are equipped with suitable patient dosemeters, deriving factors linking staff eye doses to the patient doses can be helpful. In this study the patient kerma-area prod...

2011
J Urairat S Asavaphatiboon S Singhara Na Ayuthaya N Pongnapang

PURPOSE This study was carried out to assess the radiation dose to patients undergoing interventional radiology procedures at Ramathibodi Hospital, Bangkok, Thailand. METHODS Data were collected from 60 patients under transarterial oily-chemoembolisation (TOCE) and femoral angiography performed with the Toshiba Infinix model VC-i FPD single plane system. Data were also collected from 60 patie...

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