Found 134 clinical trials
Epidemiologic and Clinical Characteristics of Optic Neuritis in China
This will be a hospital-based retrospective multi-center study on epidemiologic and clinical characteristics of optic neuritis among Chinese. The investigation will cover about 29 provinces or municipalities all around China.
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- 19 Feb, 2024
- 1 location
DeBakey Cardiovascular Magnetic Resonance Study
While advancements in cardiac magnetic resonance (CMR) have improved image quality, it is unclear how these improvements are connected to the clinical evaluation of individuals with cardiovascular disease. The aim of this large prospective registry revolves around 4 key principles: 1) utilize CMR to gain additional pathophysiologic insights into cardiovascular …
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- 19 Feb, 2024
- 1 location
Foot/Ankle at 7T MRI
To evaluate standard clinical sequences for 7 Tesla MRI of the foot and/or ankle to improve detailed depiction of the complex anatomy of this region. To evaluate various pathologies of the foot and/or ankle (plantar plate tears, Morton neuroma, tendon tears, ligament tears etc.).
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- 19 Feb, 2024
- 1 location
Barriers to Screening Breast MRI Utilization Among Patients at Elevated Risk
This study seeks to develop an explanatory framework for breast MRI utilization to inform future interventions. The Health Services Utilization Model (HSUM) will guide the selection of specific participant-level factors for examination, including predisposing characteristics (knowledge, health/cultural beliefs), enabling resources (social support, cost/insurance coverage), and perceived need (perceived susceptibility, provider …
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- 19 Feb, 2024
- 2 locations
DWIBS-MRI: An Adjunct to the Traditional Diagnostic Breast Imaging Evaluation
1.1. Primary Objectives To determine if MRI DWIBS can accurately identify suspicious lesions previously categorized on mammography and sonography as potentially malignant.
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- 19 Feb, 2024
- 1 location
CT-guided Stereotactic Body Radiation Therapy and MRI-guided Stereotactic Body Radiation Therapy for Prostate Cancer MIRAGE Study
Imaging modalities for image-guided SBRT can be either computed tomography imaging (CT), magnetic resonance imaging (MRI), or a combination of the two. This research is being done to help determine whether there are benefits to MRI-guidance over CT-guidance in patients who are receiving the same radiation dose by SBRT to …
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- 19 Feb, 2024
- 1 location
Cardiac and Thoracic Imaging in Pediatric Patients With Evidence of Systemic Inflammation COVID19 Linked
To perform comprehensive cardiac and thoracic non invasive imaging assessment by MRI and/or CT scan including cardiac functional evaluation and myocardial tissue characterization of COVID_19 related disease in pediatric patients with cardiac involvement.
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- 19 Feb, 2024
- 1 location
Aortic Dissection With 4-dimensional Phase-contrast Magnetic Resonance Imaging
We prospectively collected information on consecutive patients who had been evaluated using 4D PC-MRI for aortic pathology in a tertiary hospital between April 2018 and Feb 2020. Patients were eligible for inclusion in the study if they had a clinical indication for CTA of aortic dissections.
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- 19 Feb, 2024
- 1 location
Advanced Sensor Based Functional ASsessmenTs in Axial Spondyloarthritis
This is an observational study using IMU sensors to measure the effects of biological therapy on spinal mobility and function in axial spondyloarthritis. Participants will undergo MRI scans before and after therapy in parallel to the sensor tests to establish correlation between changes in inflammatory signs and changes in spinal …
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- 19 Feb, 2024
- 1 location
Attentional Performance in Parkinson Disease
Participants may have functional and structural magnetic resonance imaging (MRI). MRI uses a strong magnetic field and radio waves to take pictures of the brain. During the MRI, participants will lie on a table that slides in and out of the MRI scanner.
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- 19 Feb, 2024
- 1 location