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Critical Reviews™ in Biomedical Engineering
SJR: 0.243 SNIP: 0.376 CiteScore™: 0.79

ISSN Imprimir: 0278-940X
ISSN On-line: 1943-619X

Volumes:
Volume 47, 2019 Volume 46, 2018 Volume 45, 2017 Volume 44, 2016 Volume 43, 2015 Volume 42, 2014 Volume 41, 2013 Volume 40, 2012 Volume 39, 2011 Volume 38, 2010 Volume 37, 2009 Volume 36, 2008 Volume 35, 2007 Volume 34, 2006 Volume 33, 2005 Volume 32, 2004 Volume 31, 2003 Volume 30, 2002 Volume 29, 2001 Volume 28, 2000 Volume 27, 1999 Volume 26, 1998 Volume 25, 1997 Volume 24, 1996 Volume 23, 1995

Critical Reviews™ in Biomedical Engineering

DOI: 10.1615/CritRevBiomedEng.v33.i1.10
pages 1-102

FUNCTIONAL ANGIOGRAPHY

Baruch B. Lieber
Department of Biomedical Engineering, College of Engineering; Department of Radiology, School of Medicine, University of Miami, Miami, Florida, USA
Chander Sadasivan
Department of Biomedical Engineering, College of Engineering, University of Miami, Miami, Florida, USA
Matthew J. Gounis
Department of Biomedical Engineering, College of Engineering, University of Miami, Miami, Florida, USA
Jaehoon Seong
Department of Biomedical Engineering, College of Engineering, University of Miami, Miami, Florida, USA
Laszlo Miskolczi
Department of Radiology, School of Medicine, University of Miami, Miami, Florida, USA
Ajay K. Wakhloo
Department of Biomedical Engineering, College of Engineering; Department of Radiology, School of Medicine; Department of Neurological Surgery, School of Medicine, University of Miami, Miami, Florida, USA

RESUMO

The discovery of X-rays over a century ago enabled noninvasive examination of the human body. Contrast agents that enhanced X-ray images were soon developed that advanced angiology by allowing exploration of the vascular tree. Starting as a diagnostic tool, angiography underwent technological transformations over the last century and became a basis for interventional therapy as well. Initially a static two-dimensional record of the vasculature on screen films, angiography has evolved to real-time two-dimensional display of the vasculature on television monitors, three-dimensional reconstruction from computerized tomographic (CT) scans, and, more recently, three-dimensional cone-beam reconstruction. Cinematographic angiography is referred to as dynamic angiography in current terminology, but it essentially provides no more than images of vascular structures and changes therein.
Although dynamic angiography has facilitated advances in image-guided interventions, the evaluation of blood flow rate, or perfusion, and blood flow velocity using angiography remains elusive. Many lines of research have been pursued toward enabling such evaluations, but none have found their way into clinical practice. This article reviews angiographic flow assessment methods attempted over the past several decades and explores some new avenues that may facilitate the transfer of such methods into the clinical practice of diagnostic and interventional angiography and, eventually, contribute to better patient care.


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