At a glance
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Analyzing Retinal Microanatomy in Retinopathy of Prematurity to Improve Care (BabySTEPS)
In Brief
An observational study evaluating Swept Source OCT, Magnetic Resonance Imaging, and 1 other intervention for Retinopathy of Prematurity and 2 related conditions. Completed, enrolled 191 participants across 4 sites.
Detailed Summary
Retinopathy of prematurity (ROP) is a disorder of development of the neural retina and its vasculature that may impact vision in vulnerable preterm neonates for a lifetime. This study utilizes new technology to determine visual and neurological development of very preterm infants in the intensive care nursery, during a period of rapid growth of the retina, optic nerve and brain. The long-term goal of this study is to help improve preterm infant health care via objective bedside imaging and analysis that characterizes early critical indicators of poor vision, neurological development and ROP, which will rapidly translate to better early intervention and improved future vision care.
Study Details
Timeline
Interventions
The swept source optical coherence tomography device was developed at Duke University as the result of collaboration between the Departments of Ophthalmology and Biomedical Engineering. The SSOCT system has a 100kHz repetition rate, 1050nm-centered swept-source light source (Axsun Technologies). This swept-source system allows near real-time OCT imaging during movement while imaging and it provides better OCT imaging of the choroid. The SSOCT system is a non-contact device and therefore does not touch the eye.
Non-sedated research brain MRI: Magnetic resonance imaging (MRI) is a minimal risk procedure that uses a magnet and radio waves to make diagnostic medical images of the body. There have been no ill effects reported from exposure to the magnetism or radio waves used in this test. However, it is possible that harmful effects could be recognized in the future. A known risk is that the magnet could attract certain kinds of metal. Therefore, we will carefully ask about metal within the body. If there is any question about potentially hazardous metal within the body, MRI imaging will not be performed. We will also keep the examining room locked so that no one carrying metal objects can enter while the child is in the scanner.
Serum/plasma (residual in the laboratory) collected as part of clinically indicated care will be shipped to the University of Florida for neuroinflammatory biomarker testing to identify central nervous system cellular injury.