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Last Updated: 11/29/2022

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Comparison of Imaging Quality Between Spectral Photon Counting Computed Tomography (SPCCT) and Dual Energy Computed Tomography (DECT)

Summary: This pilot study wants to determine to which extent SPCCT allows obtaining images with improved quality and diagnostic confidence when compared to standard Dual Energy CT (DECT), both with and without contrast agent injection. Depending on the anatomical structures/organs to be visualized during CT examinations, different scanning protocols are performed with quite variable ionizing radiation dose...

Comparison of Two Validated Endovascular Strategies for Refractory Vasospastic Stenosis After Non-traumatic Intracranial Haemorrhage Leading to Severe Brain Hypoperfusion: Chemical Versus Chemical and Mechanical Angioplasty

Summary: This is a monocentric randomized prospective trial comparing 2 different endovascular strategies of intracranial arterial angioplasty in case of refractory intracranial arterial vasospastic stenosis : chemical angioplasty chemical and mechanical angioplasty

Transvenous Approach for the Treatment of Cerebral Arteriovenous Malformations (TATAM): A Randomized Controlled Trial and Registry

Summary: A new endovascular route for the treatment of brain AVMs may be possible in some cases: Trans-Venous Embolization (TVE). The technique uses microcatheters to navigate to the draining veins of AVM, to reach and then fill the AVM nidus retrogradely with liquid embolic agents until the lesion is occluded. This technique has the potential to improve on some of the problems with the arterial approach t...

A Prospective, Multi-center, Randomized Parallel Controlled Study on the Safety and Effectiveness of the Non-adhesive Liquid Embolic System in the Embolization of Cerebral Arteriovenous Malformations

Summary: This clinical trial is to verify the safety and effectiveness of the Non-adhesive Liquid Embolic System(NALES) produced by Suzhou Hengrui Hongyuan Medical Technology Co., Ltd. in the process of clinical use to support the application of the National Medical Products Administration ( NMPA) product registration approval.

Biology of Cerebral Arteriovenous Malformations : Study of the Link Between Blood Biomarkers and the Haemorrhagic Prognosis of Cerebral Arteriovenous Malformations

Summary: The cerebral arteriovenous malformations correspond to the formation of an entanglement of morphologically abnormal vessels called nidus, which shunt the blood circulation directly from the arterial circulation to the venous circulation. The cerebral arteriovenous malformations are an important cause of hemorrhagic stroke. The hypothesis is that cerebral haemorrhage associated with a cerebral arte...

Fetal Treatment of Galenic Malformations

Summary: This is a prospective, single-arm non-randomized interventional study of fetuses to assess the safety and efficacy of fetal embolization of Vein of Galen Malformation (VOGM). Subjects will receive a one-time study intervention of fetal embolization. Follow-up assessments will be collected every 4 weeks until delivery, as per standard of care. After delivery, neurological assessments will be perfor...

Rapid Ventricular Pacing During Cerebral Aneurysm Surgery: a Study Concerning the Safety for Heart and Brain

Summary: Rapid ventricular pacing (RVP) is a technique to obtain flow arrest for short periods of time during dissection or rupture of the aneurysm. RVP results in an adequate fall in blood pressure which presents as an on-off phenomenon. However it is not clear whether repetitive periods of pacing are harmless for the patient. Silent cardiac and cerebral infarcts may be undetected. The investigators will ...

Hereditary Hemorrhagic Telangiectasia (HHT) Research Outcomes Registry

Summary: The goal of this study is to better understand HHT, the symptoms and complications it causes (outcomes) and how the disease impacts people's lives. The investigators are aiming to recruit and gather information together in the Registry from 1,000 HHT patients from four HHT Centres of Excellence in North America. The Investigators will collect long-term information about the people in the Registry,...

MRI Evaluation of Nidus Occlusion After Gamma Knife Radiosurgery of Cerebral Arteriovenous Malformations - A Prospective Preliminary Study

Summary: Cerebral arteriovenous malformations (AVMs) are abnormal vessels, connecting cerebral arteries and veins. They form a bundle which is called nidus. Rupture of an AVM leads to intracranial hemorrhage often causing neurological impairment or even death. As treatment can be associated with high rates of morbidity and mortality, AVMs still remain a considerable challenge for neurosurgeons. For smaller...

Study of PHIL® Embolic System in the Treatment of Intracranial Dural Arteriovenous Fistulas in the Pediatric Population

Summary: The purpose of this study is to collect information about how the PHIL® Embolic System works in the treatment of intracranial dural arteriovenous fistulas. Data collected in this study will be used to evaluate the safety and probable benefits in treating DAVFs. The PHIL® Embolic System is a Humanitarian Use Device (HUD). The U.S. Food and Drug Administration (FDA) approved the use of the PHIL Embo...

Study on the Long-term Outcomes of High-level Cerebral Arteriovenous Malformation

Summary: Arteriovenous malformations (AVMs) are complex and rare cerebral vascular dysplasia. The main purpose of treatment is to avoid the neurological impairment caused by hemorrhagic stroke. The Spetzler-Martin (SM) grading system is widely used to estimate the risk of postoperative complication based on maximum AVM nidus diameter, pattern of venous drainage, and eloquence of location. Generally, grade ...

Differences of Long-term Neurofunctional Outcomes in Pediatric and Adult Eloquent Region Cerebral Arteriovenous Malformation

Summary: Cerebral Arteriovenous malformations (AVMs) are abnormal tangles which are usually believed congenital. AVM can cause different symptoms depending on where it is located, but the most common symptoms are intracranial hemorrhage and seizure. Outcomes of AVM patients can be very different due to factors like the location of lesion, age, sex etc. Generally, more early the intervention was taken, the ...

Showing 1-12 of 13

Last Updated: 11/29/2022