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Evaluation of venous pathology of the lower extremities with triggered angiography non-contrast-enhanced magnetic resonance imaging

Yao-Kuang Huang, Yuan-Hsi Tseng, Chih-Hung Lin, Yuan-Hsiung Tsai, Yin-Chen Hsu, Shih-Chung Wang, Chien-Wei Chen
2019 BMC Medical Imaging  
To explore the diagnostic performance of triggered angiography non-contrast-enhanced magnetic resonance imaging (TRANCE-MRI) for the evaluation of venous pathology of the lower extremity.  ...  Y-KH, Y-HT, S-CW, Y-CH and C-WC are involved with writing the manuscript. Y-KH and C-WC were responsible for the study conception, design, data analysis and drafting of the manuscript.  ...  Authors' contributions Y-KH, Y-HT, C-HL and C-WC designed the study. Y-KH, Y-HT, C-HL, S-CW, Y-CH and CWC are involved with methodology and data analysis.  ... 
doi:10.1186/s12880-019-0395-4 pmid:31847822 pmcid:PMC6918566 fatcat:iqaiodnu3zcd5pzl35cot5m7yu

Stasis Leg Ulcers: Venous System Revises by Triggered Angiography Non-Contrast-Enhanced Sequence Magnetic Resonance Imaging

Chien-Wei Chen, Yuan-Hsi Tseng, Min Yi Wong, Chao-Ming Wu, Bor-Shyh Lin, Yao-Kuang Huang
2020 Diagnostics  
To fill this gap, we assessed the effectiveness of triggered angiography non-contrast-enhanced (TRANCE)-magnetic resonance imaging (MRI) in determining the venous status of patients with stasis leg ulcers  ...  The distribution of venous pathology in stasis leg ulcers is unclear. The main reason for this uncertainty is the lack of objective diagnostic tools.  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/diagnostics10090707 pmid:32957628 pmcid:PMC7554685 fatcat:llxdxehddze7rcglinv2py4pni

Novel Diagnostic Options without Contrast Media or Radiation: Triggered Angiography Non-Contrast-Enhanced Sequence Magnetic Resonance Imaging in Treating Different Leg Venous Diseases

Chien-Wei Chen, Yuan-Hsi Tseng, Chien-Chiao Lin, Chih-Chen Kao, Min Yi Wong, Bor-Shyh Lin, Yao-Kuang Huang
2020 Diagnostics  
Objectives: Venous diseases in the lower extremities long lacked an objective diagnostic tool prior to the advent of the triggered angiography non-contrast-enhanced (TRANCE) technique.  ...  Materials: Between April 2017 and June 2019, 66 patients were evaluated for venous diseases through TRANCE-magnetic resonance imaging (MRI) and were grouped according to whether they had occlusive venous  ...  Conflicts of Interest: The authors declare no conflict of interest. Diagnostics 2020, 10, 355  ... 
doi:10.3390/diagnostics10060355 pmid:32485855 fatcat:hnnxa3mfq5bszdwmqpiuifbsxu

Usefulness of non-contrast-enhanced magnetic resonance venography in assessing Klippel-Trenaunay syndrome in an adult patient with renal insufficiency: a case description

Chien-Wei Chen, Kai-Hao Lin, Teng-Yao Yang, Pang-Yen Chen, Yin-Chen Hsu, Yao-Kuang Huang
2021 Quantitative Imaging in Medicine and Surgery  
MRV, magnetic resonance venography; TRANCE, triggered angiography non-contrastenhanced. Figure 3 3 Figure 3 Axial image of the affected lower limb.  ...  Ultrasonography is considered to be the first-line imaging tool for the evaluation of lower extremity venous disease.  ... 
doi:10.21037/qims-21-671 pmid:35284268 pmcid:PMC8899930 fatcat:o7d5erwverg6rcu3ntpdahhsse

Superficial Venous Reflux Intervention Guided by Triggered Angiography Non-Contrast-Enhanced Sequence Magnetic Resonance Imaging: Different QFlow Pattern from Health Controls

Chien-Wei Chen, Yuan-Hsi Tseng, Yueh-Fu Fang, Min Yi Wong, Yu-Hui Lin, Yao-Kuang Huang
2021 Journal of Personalized Medicine  
(1) Background: To assess the effectiveness of triggered angiography non-contrast-enhanced (TRANCE)-magnetic resonance imaging (MRI) in superficial venous reflux and its difference from health controls  ...  QFlow pattern of superficial venous reflux (QFlow GSV/PV MF ratio > 1) was compared with the duplex scan (SFJ reflux) using Cohen's kappa coefficient at 0.967.  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/jpm11080751 pmid:34442395 pmcid:PMC8398290 fatcat:ns3cgufofjfyflevtvjoyqtxci

Using Non-Contrast MRA to Discriminate between Obstructive and Nonobstructive Venous Diseases of the Legs

Chien-Wei Chen, Yuan-Hsi Tseng, Min Yi Wong, Yu-Hui Lin, Teng-Yao Yang, Yin-Chen Hsu, Bor-Shyh Lin, Yao-Kuang Huang
2021 Diagnostics  
Methods: One hundred and twenty patients with lower extremity venous disease were evaluated anatomically using TRANCE MRI.  ...  Venous interventions of the legs are less predictable owing to a lock of objective tools.  ...  The triggered angiography non-contrast-enhanced (TRANCE) technique records differences in the vascular signal intensity during the cardiac cycle for the subsequent image subtraction and produces vascular  ... 
doi:10.3390/diagnostics11081392 fatcat:27k4ndtml5e4df3hpvcpya7rny

Deep Vein Thrombosis Detection

Kostaki G. Bis, Anil N. Shetty
2002 Current Protocols in Magnetic Resonance Imaging  
Current developments in magnetic resonance imaging, especially time-of-flight (TOF) techniques and contrast enhanced MR venography have been successful in the study of venous pathology noninvasively without  ...  Among the available TOF techniques, a non-ECG triggered sequential 2-D TOF with a traveling saturation band is well suited for venous MRA in the pelvis and lower extremity.  ...  Arterial first-pass 3-D contrast enhanced pulmonary and lower extremity imaging followed by steady state imaging to demonstrate the lower extremity venous anatomy is shown in Fig. A13.2. 3.  ... 
doi:10.1002/0471142719.mia1302s04 fatcat:gl4ica3coraftbm3ularxbnlhi

Novel, non-gadolinium-enhanced magnetic resonance imaging technique of pedal artery aneurysms

J. Devin B. Watson, Beatrice Grasu, Rajiv Menon, Raymond Pensy, Robert S. Crawford, Taehoon Shin
2017 Journal of Vascular Surgery Cases and Innovative Techniques  
Non-gadolinium-enhanced magnetic resonance angiography (nMRA) is a noninvasive, contrast-free imaging modality used for visualizing pedal arterial anatomy.  ...  We report application of the nMRA technique for detailed arterial imaging in a patient with dorsalis pedis aneurysm.  ...  magnetic resonance angiography (MRA) has been increasingly used as a noninvasive alternative; however, gadolinium-enhanced MRA involves the risk of nephrogenic systemic fibrosis and venous image contamination  ... 
doi:10.1016/j.jvscit.2016.12.003 pmid:29349385 pmcid:PMC5757774 fatcat:il3afhbrkfgrdcyxaaseud7lhe

Free-breathing non-contrast flow-independent cardiovascular magnetic resonance angiography using cardiac gated, magnetization-prepared 3D Dixon method: assessment of thoracic vasculature in congenital heart disease

Alexander Isaak, Julian A. Luetkens, Anton Faron, Christoph Endler, Narine Mesropyan, Christoph Katemann, Shuo Zhang, Patrick Kupczyk, Daniel Kuetting, Ulrike Attenberger, Darius Dabir
2021 Journal of Cardiovascular Magnetic Resonance  
Background To evaluate a non-contrast respiratory- and electrocardiogram-gated 3D cardiovascular magnetic resonance angiography (CMRA) based on magnetization-prepared Dixon method (relaxation-enhanced  ...  angiography without contrast and triggering, REACT) for the assessment of the thoracic vasculature in congenital heart disease (CHD) patients.  ...  Tim Leiner served as the JCMR Guest Editor for this manuscript.  ... 
doi:10.1186/s12968-021-00788-3 pmid:34275486 pmcid:PMC8287681 fatcat:hsc355frrbelva3hcafbpudbkq

Vascular magnetic resonance angiography techniques

Anderson H. Kuo, Prashant Nagpal, Brian B. Ghoshhajra, Sandeep S. Hedgire
2019 Cardiovascular Diagnosis and Therapy  
Magnetic resonance angiography (MRA) denotes a unique option for the evaluation of peripheral vasculature due to its noninvasive nature, lack of ionizing radiation exposure, potential for non-contrast  ...  Understanding the technical underpinnings of the various MRA methods helps with recognition of common imaging issues and artifacts and rendering clinically relevant interpretations.  ...  Ethical Statement: The authors are accountable for all aspects of the work in ensuring that questions related to the accuracy or integrity of any part of the work are appropriately investigated and resolved  ... 
doi:10.21037/cdt.2019.06.07 pmid:31559152 pmcid:PMC6732109 fatcat:esiopmrlljatvfkfoh6sxflvn4

Discriminating Reflux from Non-Reflux Diseases of Superficial Veins in Legs by Novel Non-Contrast MR with QFlow Technique

Yuan-Hsi Tseng, Chien-Wei Chen, Min Yi Wong, Teng-Yao Yang, Bor-Shyh Lin, Hua Ting, Yao-Kuang Huang
2021 Journal of Personalized Medicine  
Among them, 53 with unilateral leg venous diseases underwent a QFlow scan and were classified into the reflux and non-reflux groups according to the status of the great saphenous veins.  ...  The SD, MV, and FFV have better ability to discriminate a reflux from non-reflux group than the SV and MF. Conclusions: QFlow may be used to verify the reflux of superficial veins in the legs.  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/jpm11040242 pmid:33810500 fatcat:mywrspzjgvfrhmglizyb2tcevm

Mapping of Autogenous Saphenous Veins as an Imaging Adjunct to Peripheral MR Angiography in Patients with Peripheral Arterial Occlusive Disease and Peripheral Bypass Grafting: Prospective Comparison with Ultrasound and Intraoperative Findings

Ann-Marie Bintu Munda Jah-Kabba, Guido Matthias Kukuk, Dariusch Reza Hadizadeh, Frank Träber, Arne Koscielny, Mustapha Sundifu Kabba, Frauke Verrel, Hans Heinz Schild, Winfried Albert Willinek, Alberto Aliseda
2014 PLoS ONE  
This study investigated mapping of the great saphenous vein as an adjunct to peripheral MR angiography using a blood pool contrast agent in patients who were referred for evaluation of peripheral arterial  ...  A suitable saphenous vein was diagnosed in 25 and non-usability was diagnosed in 2 of the 27 patients based on MR angiography/duplex ultrasound, respectively.  ...  Contrast-enhanced magnetic resonance angiography (CE-MRA) is considered an alternative to digital subtraction angiography (DSA) in the diagnosis and assessment of patients with peripheral arterial occlusive  ... 
doi:10.1371/journal.pone.0112340 pmid:25405867 pmcid:PMC4236072 fatcat:kmbuv6shpbglrpsxcispgadwai

Update on state of the art magnetic resonance angiography techniques

Phillip Young, Waleed Brinjikji
2015 Journal of Vascular Diagnostics  
Time-resolved magnetic resonance angiography of the lower extremities with high spatial and temporal performed using Cartesian acquisition with projectionlike reconstruction.  ...  Notes: (A) Contrast-enhanced magnetic resonance angiography with 1.8 mm slice thickness demonstrates a subtle dissection flap (red arrowheads).  ... 
doi:10.2147/jvd.s73647 fatcat:ivy74io6pbhuxbjzsphb4u2vda

Blood Flow Analysis of the Great Saphenous Vein in the Su-Pine Position in Clinical Manifestations of Varicose Veins of Different Severities: Application of Phase-Contrast Magnetic Resonance Imaging Data

Yuan-Hsi Tseng, Chien-Wei Chen, Min-Yi Wong, Teng-Yao Yang, Yu-Hui Lin, Bor-Shyh Lin, Yao-Kuang Huang
2022 Diagnostics  
This study investigated changes in lower-limb venous blood flow using phase-contrast magnetic resonance angiography. Data were collected on veins from 141 legs.  ...  The progression of clinical manifestations of lower-limb varicose veins remains unclear.  ...  Acknowledgments: We thank the staff at the radiology department of our hospital for providing detailed imaging data. Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/diagnostics12010118 pmid:35054283 pmcid:PMC8774923 fatcat:qbdhlxajoneapdiho72pt5lkii

Detection of infragenual arterial disease using non-contrast-enhanced MR angiography in patients with diabetes

Xin Liu, Na Zhang, Zhaoyang Fan, Fei Feng, Qi Yang, Hairong Zheng, Pengcheng Liu, Debiao Li
2013 Journal of Magnetic Resonance Imaging  
Materials and Methods-Forty-five patients with diabetes who underwent routine CE-MRA of lower extremities were recruited for NCE-MRA at the calf on a 1.5T MR system.  ...  Purpose-To evaluate the diagnostic performance of a newly developed noncontrast-enhanced MR angiography (NCE-MRA) technique using flow-sensitive dephasing (FSD) prepared steadystate free precession (SSFP  ...  Contrast-enhanced magnetic resonance angiography (CE-MRA) (a) and noncontrastenhanced MRA (NCE-MRA) (b) MIP images and x-ray angiography image (c) of right upper calf in a 65-year-old woman with diabetes  ... 
doi:10.1002/jmri.24477 pmid:24925770 pmcid:PMC4059779 fatcat:guwv7vauu5aclfd547lfafy5ri
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