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Browse 47,334 clinical trials for rheumatoid arthritis. Find studies that match your criteria and connect with research centers.
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NCT06759506
In this prospective, observational study, we aim to investigate whether routinely monitored Perfusion Index (PI) and cerebral oxygen saturation (NIRS) values in pediatric patients aged 0-6 undergoing congenital heart surgery are associated with Low Cardiac Output Syndrome. Pediatric patients aged 0-6 years undergoing congenital heart surgery will be followed primarily for Cerebral Near-Infrared Reflectance Spectroscopy, and Perfusion Index (PI) values both in the operating room during the operation, and in the Pediatric Cardiac Intensive Care Unit during the first 24 hours postoperatively. The patients with Low Cardiac Output Syndrome will be recorded, and the changes in Cerebral Near-Infrared Reflectance Spectroscopy, and Perfusion Index (PI) values will be evaluated to determine whether they can predict low cardiac output.
NCT06878573
This prospective study will include patients with neovascular age-related macular degeneration or diabetic macular edema, scheduled for intravitreal aflibercept. Ocular perfusion will be measured by Laser Speckle Flowgraphy (LSFG). The parameter Mean Blur Rate (MBR) reflects erythrocyte flow velocity and serves as an indirect marker of perfusion. MBR will be measured at the optic nerve head (ONH). The devices software can analyze MBR in areas of major retinal vessels (MV) and in microperfusion areas (MT) separately. Measurements will be conducted on the day of the planned intravitreal injection and one and four weeks post-injection.