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Optimization of intravascular brachytherapy treatment planning in peripheral arteries

Zhengdong Zhou, Pascal Haigron, Huazhong Shu, Wenxue Yu, Cécile Moisan, Jean-Pierre Manens, Antoine Lucas, Limin Luo
2007 Computerized Medical Imaging and Graphics  
This work deals with the treatment planning optimization for intravascular brachytherapy (IVB) in peripheral arteries.  ...  The application of this optimization method to four different CT data sets including patient data, phantom and animal models showed that the treatment plan can be improved when the actual vessel geometry  ...  Introduction Intravascular brachytherapy (IVB) constitutes a new therapeutic solution to avoid iterative redilations practiced after minimally invasive treatment of peripheral arterial stenoses.  ... 
doi:10.1016/j.compmedimag.2007.03.001 pmid:17574815 fatcat:whashw57y5getovl6ybygtot5u

A Study of Intravascular Brachytherapy Treatment Planning in Peripheral Arteries

Zhengdong Zhou, P. Haigron, O. Acosta, Huazhong Shu, Wenxue Yu, Liming Luo, J. Manens, A. Lucas
2005 2005 IEEE Engineering in Medicine and Biology 27th Annual Conference  
A two-step method to determine the seed parameters for the planning of peripheral intravascular brachytherapy, which took the actual vessel geometry into consideration, was developed.  ...  Application of the method to a phantom model and three animal models of stenosis shows that promising result could be obtained, and the planning of peripheral intravascular brachytherapy should take actual  ...  This work deals with the optimization of the treatment plan for IVB in peripheral arteries.  ... 
doi:10.1109/iembs.2005.1616929 pmid:17282698 pmcid:PMC3367905 fatcat:n7w3mwofnfck3e6snipfo4c27e

Intravascular brachytherapy physics: Report of the AAPM Radiation Therapy Committee Task Group No. 60

Ravinder Nath, Howard Amols, Charles Coffey, Dennis Duggan, Shirish Jani, Zuofeng Li, Michael Schell, Christopher Soares, James Whiting, Patricia E. Cole, Ian Crocker, Robert Schwartz
1999 Medical Physics (Lancaster)  
In late 1995 the American Association of Physicists in Medicine ͑AAPM͒ formed a task group to investigate these issues and to report the current state of the art of intravascular brachytherapy physics.  ...  Several delivery systems of intravascular brachytherapy have been developed to deliver radiation doses in this range with minimal normal tissue toxicity.  ...  planning of intravascular brachytherapy.  ... 
doi:10.1118/1.598496 pmid:10076966 fatcat:uho4t6ihz5dlhcepit6sh3qy7m

Basic Rules of Dosimetry in Endovascular Brachytherapy

2000 Journal of interventional cardiology  
Endovascular brachytherapy after percutaneous coronary intervention (PCI), is becoming a standard approach for the treatment and prevention of restenosis.  ...  The pitfalls and solutions for the optimization of dosimetry are discussed.  ...  on the use of external irradiation to prevent restenosis, especially in peripheral artery diseasesz1-" or on the use of "soft" X rays endoluminally.  ... 
doi:10.1111/j.1540-8183.2000.tb00323.x fatcat:2a56npmoovfrlktph5ytrqo2rq

Effects of Percutaneous Transluminal Angioplasty and Endovascular Brachytherapy on Vascular Remodeling of Human Femoropopliteal Artery by Noninvasive Magnetic Resonance Imaging

R. Wyttenbach
2004 Circulation  
MRI allows in vivo noninvasive assessment of the vascular effects of such treatment strategies. We sought to elucidate the vascular effect of PTA and PTAϩEVBT by serial MRI.  ...  Brachytherapy prevents inward remodeling and induces an increase in lumen area but partially prevents healing of disrupted vessel surface.  ...  Acknowledgments This study was supported in part by an academic grant of the Swiss Heart Foundation.  ... 
doi:10.1161/01.cir.0000140672.70862.5b pmid:15326071 fatcat:cbrjw6l3sbbd5pbc6kdvxgolkq

125I Brachytherapy Seeds Implantation for Inoperable Low-Grade Leiomyosarcoma of Inferior Vena Cava

Yuliang Li, Yongzheng Wang, Bin Liu, Zheng Li, Wujie Wang
2013 Korean Journal of Radiology  
Contrast enhanced CT showed a mass of 9 × 6 × 5.5 cm in size with almost complete obliteration of the inferior vena cava and massive extension to the extravascular space.  ...  The patient underwent 125 Iodine seeds implantation in two sessions, and another balloon cavoplasty.  ...  Vascular leiomyosarcomas arise predominantly in the inferior vena cava (IVC), and less commonly in the pulmonary arteries or veins or other peripheral vessels (1) .  ... 
doi:10.3348/kjr.2013.14.2.278 pmid:23482299 pmcid:PMC3590340 fatcat:jorfpkhiybf3jj2o4u3utlbrya

External Beam Radiation to Prevent Restenosis After Superficial Femoral Artery Balloon Angioplasty

E. Therasse
2005 Circulation  
The authors thank Andrée Cliche, RN, and Jocelyne Lavoie, RT, for their invaluable help during the course of this study and Ovid Da Silva and Dr Mark Eisenberg for editing this manuscript.  ...  External beam radiation (EBR), in comparison with brachytherapy, may present many advantages in the prevention of restenosis after PTA for peripheral arterial disease.  ...  technical success rate for the treatment of coronary and peripheral arterial obstructive diseases, but the long-term results are poor, mainly because of restenosis.  ... 
doi:10.1161/circulationaha.104.502179 pmid:15956130 fatcat:bd2nx65rbrexvfm6w2s6dhelxi

Changing Paradigms in the Management of Peripheral Vascular Disease: The Need for Integration of Knowledge, Imaging, and Therapeutics [chapter]

Mark G. Davies, Daynene Vykoukal
2009 Computational Surgery and Dual Training  
Several mechanical atherectomy devices have been used in the treatment of peripheral vascular disease.  ...  Results suggest that intravascular brachytherapy is effective at improving the patency of femoropopliteal arteries undergoing PTA in the short term, particularly in nondiabetics with long occlusions (>  ... 
doi:10.1007/978-1-4419-1123-0_2 fatcat:mnkxdjegonh2xiqokz5ieok5o4

Endovascular Therapies for Peripheral Arterial Disease

Christopher J. White, William A. Gray
2007 Circulation  
Peripheral arterial disease is one manifestation of systemic atherosclerosis. The prevalence of peripheral arterial disease increases with the age of the population.  ...  It is important to remember the significant association of coincident coronary artery disease, which is the major cause of mortality in these patients.  ...  Optimal treatment of tibioperoneal disease requires appropriate patient and lesion selection for treatment.  ... 
doi:10.1161/circulationaha.106.621391 pmid:17984390 fatcat:3c4voi4tmbcgtpmdayhcuxd4wm

Oral Rapamycin to Reduce Intimal Hyperplasia After Bare Metal Stent Implantation - A Prospective Randomized Intravascular Ultrasound Study [chapter]

Carmelo Cernigliaro, Mara Sansa, Federico Nardi, Eugenio Novelli
2012 Intravascular Ultrasound  
An optimization of the dosage regimen is still necessary.  ...  It provides a silhouette of the intravascular space of coronary arteries.  ... 
doi:10.5772/21198 fatcat:yzjc4oylv5cqfpg35l2uv3uvdu

Intracoronary radiation therapy: an evidence-based analysis

Medical Advisory Secretariat
2001 Ontario health technology assessment series  
The dose should be prescribed at 2 mm from the source for intracoronary brachytherapy, and at an average luminal radius of + 2 mm for peripheral to determine the long-term outcome from vascular brachytherapy  ...  de novo lesions in native coronary arteries of 181 patients.  ... 
pmid:23074385 pmcid:PMC3387751 fatcat:hpa3e5m4erdfbhuqv3szy7hlaa

A Model for Online Interactive Remote Education for Medical Physics Using the Internet

Milton K Woo, Kwan-Hoong Ng
2003 Journal of Medical Internet Research  
Prevention of restenosis by irradiation has been demonstrated in coronary and peripheral arteries, in humans and animal models.  ...  Our institution has developed a real-time, three-dimensional (3-D) treatment planning system (iPlan ) for intravascular brachytherapy using intravascular ultrasound (IVUS) data.  ...  of 9%, which lies in the range of values for actual arteries of this size.  ... 
doi:10.2196/jmir.5.1.e3 pmid:12746208 pmcid:PMC1550549 fatcat:tsyf45yusza2jiglkq62rgo3qm

Atherosclerotic Peripheral Vascular Disease Symposium II: Executive Summary

M. A. Creager, C. J. White, W. R. Hiatt, M. H. Criqui, S. C. Josephs, M. J. Alberts, W. H. Pearce, B. H. Gray, K. J. Rocha-Singh
2008 Circulation  
Peripheral Artery Disease CTA or MRA is used frequently to determine the vascular anatomy and to plan treatment of patients with PAD who have lifestyle-altering claudication or critical limb ischemia.  ...  of any treatment strategy. (2) Knowledge gaps remain with regard to optimal stroke-prevention strategies in the elderly, in women, and in asymptomatic patients.  ...  the voting stock or share of the entity, or owns $10 000 or more of the fair market value of the entity.  ... 
doi:10.1161/circulationaha.108.191170 pmid:19106402 fatcat:lnm32rmuqvfczewiem4irkvue4

Living the Dream of No Restenosis

Paul S. Teirstein
2001 Circulation  
Today, optimism for drug-coated stents can be credited to the efforts of a very large number of researchers. Our understanding of restenosis evolved slowly.  ...  Current plans for 18-and 24-month angiographic follow-up in this first group of sirolimus-stented patients will provide important long-term surveillance data.  ... 
doi:10.1161/circ.104.17.1996 fatcat:y6qzm4rqgvfsppwciximqlcmt4

Current Approach to the Diagnosis and Treatment of Femoral-Popliteal Arterial Disease. A Systematic Review

Christos Kasapis, Hitinder S. Gurm
2009 Current Cardiology Reviews  
Peripheral arterial disease (PAD) is a common manifestation of atherosclerosis affecting 5 million adults in the United States, with an age-adjusted prevalence of 4% to 15% and increasing up to 30% with  ...  In this article we focus on lower extremity PAD and specifically on the superficial femoral and proximal popliteal artery (SFPA), which are the most common anatomic locations of lower extremity atherosclerosis  ...  Overall treatment strategy for peripheral arterial disease.  ... 
doi:10.2174/157340309789317823 pmid:21037847 pmcid:PMC2842962 fatcat:q7crvi6avvevjom5l5cea3yngy
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