Will it Be Feasible to Insert Endoprostheses under Interventional MRI?

Stroman, Patrick W.; Roby, Patrice; Alikacem, N.; Martin, Louisette; Mayanloo, Mahmood; Formichi, Maxime; Guidoin, Robert

doi:10.1177/152660289600300407

Cited by 6 publications

(5 citation statements)

References 10 publications

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“…In those who have laboured breathing but do not require mechanical ventilation, elimination of respiratory motion artefacts can be difficult. Moreover, real‐time monitoring of interventional procedures by MRI is currently not feasible, although an in vitro experimental study is underway 22 . Technological advances in flexible bronchoscopy, allowing downsizing of the bronchoscope and angulation of the distal tip, widen the usability of this technique in infants and children with suspected airway disorders 6 .…”

Section: Discussionmentioning

confidence: 99%

Tracheobronchography and angiocardiography of paediatric cardiac patients with airway disorders

Cheung¹,

Lee²,

Leung³

et al. 2002

J Paediatrics Child Health

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Tracheobronchography is relatively safe in paediatric cardiac patients. Combined tracheobronchography and angiocardiography, a less operator-dependent imaging modality compared to bronchoscopy and MRI, delineated the airway and vascular anatomy in detail; facilitated preoperative planning; and permitted transcatheter tracheo-bronchial interventions. The dynamic capability of tracheobronchography supplements that of flexible bronchoscopy and MRI in the diagnosis of airway malacia.

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Section: Discussionmentioning

confidence: 99%

Tracheobronchography and angiocardiography of paediatric cardiac patients with airway disorders

Cheung¹,

Lee²,

Leung³

et al. 2002

J Paediatrics Child Health

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“…Stroman and co-workers demonstrated the feasibility of performing an MR-guided stent placement making use of a polyester sheath as a delivery device for a nitinol stent in vitro (Stroman et al 1996). Manke et al reported about the MR imaging characteristics of various stents and their delivery devices (Manke et al 2000).…”

Section: Placement Of Endoprosthesesmentioning

confidence: 99%

Endovascular interventional magnetic resonance imaging

Bartels

Bakker

2003

Phys. Med. Biol.

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Minimally invasive interventional radiological procedures, such as balloon angioplasty, stent placement or coiling of aneurysms, play an increasingly important role in the treatment of patients suffering from vascular disease. The non-destructive nature of magnetic resonance imaging (MRI), its ability to combine the acquisition of high quality anatomical images and functional information, such as blood flow velocities, perfusion and diffusion, together with its inherent three dimensionality and tomographic imaging capacities, have been advocated as advantages of using the MRI technique for guidance of endovascular radiological interventions. Within this light, endovascular interventional MRI has emerged as an interesting and promising new branch of interventional radiology. In this review article, the authors will give an overview of the most important issues related to this field. In this context, we will focus on the prerequisites for endovascular interventional MRI to come to maturity. In particular, the various approaches for device tracking that were proposed will be discussed and categorized. Furthermore, dedicated MRI systems, safety and compatibility issues and promising applications that could become clinical practice in the future will be discussed.

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“…The first MR‐monitored deployment of a nitinol stent in vitro was reported in 1996 111 . Later, animal models have been used to demonstrate the feasibility of MR‐guided percutaneous angioplasty in rabbit aorta and renal artery 112,113 and pig aorta and femoral artery 114,115 .…”

Section: Interventional Mrimentioning

confidence: 99%

Vascular MRI in the Diagnosis and Therapy of the High Risk Atherosclerotic Plaque

Wentzel

Aguiar

Fayad

2003

J Interven Cardiology

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Disruption of a high risk plaque is known as the primary cause of cardiovascular events. Characterization of arterial wall components has become an essential adjunct in the identification of patients with plaques prone to rupture. Magnetic Resonance Imaging (MRI) has been revealed as one of the noninvasive tools possibly capable of identifying and characterizing high risk atherosclerotic plaque. MRI may facilitate diagnosis, and guide and serially monitor interventional and pharmacological treatment of atherosclerotic disease. In addition, it permits the simultaneous assessment of the anatomy, morphology, and hemodynamics for the study of flow-induced atherogenesis. It possibly will identify asymptomatic patients with subclinical atherosclerosis. This has potential significance for the improvement of strategies in primary and secondary prevention. (J Interven Cardiol 2003;16:129-142) Address for reprints: Zahi A. Fayad, Ph.D., Mount more prevalent, for instance, in the inner curve of coronary arteries, 9,10 close to side branches, 11-14 aortic arch, and in the bulb of the carotid arteries. 15,16 These are sites of flow separation 17 and oscillating shear stress, 15 suggesting that shear stress plays a role in the distribution of plaques in the vascular system. 9 Our present challenge is to develop a reliable imaging modality, preferably noninvasive, capable of characterizing the components of the atherosclerotic plaque in the different vascular beds including coronary arteries. This will permit identification and treatment of plaques at high risk of rupture and thrombosis. 18 Some of the current imaging methods include thermography, [19][20][21] Raman spectroscopy, 22 computed tomography (CT) (electron-beam CT and spiral/helical CT), 23 intravascular ultrasound (US), [24][25][26][27] and near infrared spectroscopy. 28,29 High resolution Magnetic Resonance Imaging (MRI), however, has emerged as one of the leading noninvasive imaging modalities for plaque characterization. MRI allows serial repetitions without the risk of ionizing radiation, provides high resolution images of the arterial wall and lumen, and permits early visualization of the high risk plaque. Considering the heavy toll of lives that cardiovascular diseases take worldwide, it is important to be able to detect and treat these diseases early in their course.

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Will it Be Feasible to Insert Endoprostheses under Interventional MRI?

Cited by 6 publications

References 10 publications

Tracheobronchography and angiocardiography of paediatric cardiac patients with airway disorders

Tracheobronchography and angiocardiography of paediatric cardiac patients with airway disorders

Endovascular interventional magnetic resonance imaging

Vascular MRI in the Diagnosis and Therapy of the High Risk Atherosclerotic Plaque

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