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The effect of sensory intervention on swallowing and respiration through neurological maturation in preterm infants

Award Number: R01HD096881
ORGANIZATION: NATIONAL INSTITUTE OF CHILD HEALTH AND HUMAN DEVELOPMENT
OPDIV: NIH
AWARD CLASS: DISCRETIONARY
AWARD ACTIVITY TYPE: SCIENTIFIC/HEALTH RESEARCH (INCLUDES SURVEYS)
PERIOD OF PERFORMANCE START DATE: 05/01/2019
PERIOD OF PERFORMANCE END DATE: 04/30/2025

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The effect of sensory intervention on swallowing and respiration through neurological maturation in preterm infants - Sucking, swallowing, and their coordination with breathing, are often compromised in preterm infants, yet are critical to their long-term health outcomes. Current work suggests that external oral sensory stimuli induce rhythmic sucking, and that such stimuli hold potential as rehabilitation strategies. However, our understanding of the impact of these interventions on aerodigestive function is limited because human preterm infants are a fragile research population, with restrictions on experimental manipulations. We also do not know the role that the degree of prematurity and the subsequent neurological maturation of the preterm infant brain plays in determining the effectiveness of oral stimulation in facilitating feeding. Thus, the translation of these promising results into effective interventions for promoting sustained oral feeding in preterm infants is inadequate. Using an animal model of preterm infants, we propose to test how nutritive stimulation, in the form of rhythmic milk delivery, functions as an intervention for improving aerodigestive function. We will test two factors that may determine the success of this intervention: the duration of intervention and degree of prematurity. We will apply the intervention for either a short term (early infancy) or for a longer term (entire infancy prior to weaning). Within each treatment duration, there will be two independent age groups, defined by respiratory status at birth: (1) capable of independent respiration or (2) requiring bubble CPAP ventilation support. We will compare these infants to bottle fed individuals who receive only non-nutritive stimulation and to individuals who are only bottle fed. We have proven and validated this model for studying aerodigestive function in preterm infants, as well as the interventions proposed. The experimental methods will include high-speed biplanar videoflurography, electromyography and respiration, from which we will extract outcome variables assessing airway protection, rhythmicity of respiration, sucking and swallowing, and coordination amongst these behaviors. The significance of this work is the determination of how, and at what age, oral stimuli change the function and the underlying physiology of preterm infant feeding- respiration coordination. By testing the relationship between infant neuromotor maturation and the effectiveness of stimulation-based treatment, this work will provide a basis for the subsequent development of new therapeutic interventions for neurological and physiological complications which affect feeding in all infants.


Issue Date FY	Funding FY	Legal Entity Name	Legal Entity Address	Legal Entity City	Legal Entity State	Legal Entity Zip Code	Legal Entity COUNTY	Legal Entity COUNTRY	Assistance Listing	Award Code	Budget Year	Action Date	Action Type	Action Amount

Issue Date FY: 2025 ( Subtotal = $0 )
2025	2023	NORTHEAST OHIO MEDICAL UNIVERSITY	4209 STATE ROUTE 44	ROOTSTOWN	OH	44272	PORTAGE	USA	Child Health and Human Development Extramural Research	000	5	8/19/2025	NON-COMPETING CONTINUATION	$0
														Subtotal = $0

Issue Date FY: 2023 ( Subtotal = $570,077 )
2023	2023	NORTHEAST OHIO MEDICAL UNIVERSITY	4209 STATE ROUTE 44	ROOTSTOWN	OH	44272	PORTAGE	USA	Child Health and Human Development Extramural Research	000	5	4/10/2023	NON-COMPETING CONTINUATION	$570,077
														Subtotal = $570,077

Issue Date FY: 2022 ( Subtotal = $570,077 )
2022	2022	NORTHEAST OHIO MEDICAL UNIVERSITY	4209 SR 44	ROOTSTOWN	OH	44272	PORTAGE	USA	Child Health and Human Development Extramural Research	000	4	5/27/2022	NON-COMPETING CONTINUATION	$570,077
														Subtotal = $570,077

Issue Date FY: 2021 ( Subtotal = $570,077 )
2021	2021	NORTHEAST OHIO MEDICAL UNIVERSITY	4209 SR 44	ROOTSTOWN	OH	44272	PORTAGE	USA	Child Health and Human Development Extramural Research	000	3	5/5/2021	NON-COMPETING CONTINUATION	$570,077
														Subtotal = $570,077

Issue Date FY: 2020 ( Subtotal = $570,077 )
2020	2020	NORTHEAST OHIO MEDICAL UNIVERSITY	4209 SR 44	ROOTSTOWN	OH	44272	PORTAGE	USA	Child Health and Human Development Extramural Research	000	2	4/15/2020	NON-COMPETING CONTINUATION	$570,077
														Subtotal = $570,077

Issue Date FY: 2019 ( Subtotal = $624,518 )
2019	2019	NORTHEAST OHIO MEDICAL UNIVERSITY	4209 SR 44	ROOTSTOWN	OH	44272	PORTAGE	USA	Child Health and Human Development Extramural Research	000	1	4/25/2019	NEW	$624,518
														Subtotal = $624,518

Grand Total All Awards = $2,904,826

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The effect of sensory intervention on swallowing and respiration through neurological maturation in preterm infants

Award Number: R01HD096881

ORGANIZATION: NATIONAL INSTITUTE OF CHILD HEALTH AND HUMAN DEVELOPMENT

OPDIV: NIH

AWARD CLASS: DISCRETIONARY

AWARD ACTIVITY TYPE: SCIENTIFIC/HEALTH RESEARCH (INCLUDES SURVEYS)

PERIOD OF PERFORMANCE START DATE: 05/01/2019

PERIOD OF PERFORMANCE END DATE: 04/30/2025

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