Most preterm infants have episodes of apnea (cessation of breathing), bradycardia (low heart rate), and desaturations (low levels of oxygen in the blood) or what is collectively called as ABD events. The resolution of such ABD episodes depends to a large extent on the maturation of the central nervous system (CNS).The electroencephalogram (EEG) is the only reliable and noninvasive tool required for recording from the CNS, and determining electrographic markers that could predict recurrence or resolution of ABD episodes. Despite such obvious need, standard EEG is not constantly available in most Neonatal Intensive Care Units (NICUs). The main obstacles to its routine availability in NICUs include high cost of standard EEG machines, inability of most standard machines to operate in electrically-noisy environments such as the NICU, and more importantly the absence of full-time coverage neurologists for prompt EEG interpretation. There is an obvious unmet need for routine EEG availability in the NICU, not only for identification of maturation of brain electrical activity in infants with ABD events, but also for identification of seizures, evaluation of treatment response, and prognosticating high-risk neonates in the choice of early neuroprotective treatments. Allowing for routine EEG availability in the NICU requires the innovation of a product capable of overcoming the aforementioned impediments, particularly allowing for immediate EEG assessment by remote neurologists, without compromising the quality of EEG's generated in that setting. We propose, first, to determine the feasibility of obtaining an artifact-free EEG in the NICU with accurate detection of background rhythm abnormalities. For this purpose we will leverage the performance of our existing digital wireless telemetry unit, the """"""""microEEG"""""""" for the NICU, particularly in prolonged recordings. Secondly, we propose to finalize the development of an inexpensive system to record an artifact free EEG in the NICU, and develop a case management system for obtaining a centralized network of EEG interpretation from off-site neurologists. Finally, we will examine the level of agreement between the various EEG interpretations provided by the neurologists, and therefore set up consensus guidelines for low agreement EEG interpretations.

Public Health Relevance

Most infants born prematurely have episodes in which they stop breathing (apnea), have low heart rate (bradycardia) and low levels of oxygen in the blood (desaturations). We propose to study the maturation of brain electrical activity in these infants using """"""""microEEG"""""""", a wireless, non-invasive device with numerous advantages over current technology. This investigation will allow us to better understand the etiology and treatment of ABD events, while investigating the feasibility and reliability of centralized EEG interpretation.

National Institute of Health (NIH)
Eunice Kennedy Shriver National Institute of Child Health & Human Development (NICHD)
Small Business Technology Transfer (STTR) Grants - Phase I (R41)
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Special Emphasis Panel (ZRG1-SBIB-V (90))
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Raju, Tonse N
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Bio-Signal Group Corporation
New York
United States
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Ibrahim, Z H; Chari, G; Abdel Baki, S et al. (2016) Wireless multichannel electroencephalography in the newborn. J Neonatal Perinatal Med 9:341-348
Zehtabchi, Shahriar; Abdel Baki, Samah G; Falzon, Louise et al. (2014) Tranexamic acid for traumatic brain injury: a systematic review and meta-analysis. Am J Emerg Med 32:1503-9