Neuroprotective Effects of Remote Ischemic Preconditioning (RIPC) During Infant Cardiac Surgery

Heart Defects, Congenital

Remote ischemic preconditioning, Heart defects, congenital, cardiac surgery, Neurodevelopmental outcomes

The purpose of this study is to look at whether the use of a simple technique before surgery, which involves inflating a blood pressure cuff on the infant's leg, can improve development of language, motor and thinking skills at 12 months of age. Some research has found that a brief shortage of blood supply to an organ (such as a leg) at level that does not cause harm may help the body to tolerate a longer and more severe shortage of blood (for example, during surgery).

The purpose of this study is to look at whether the use of a simple technique before surgery, which involves inflating a blood pressure cuff on the infant's leg, can improve development of language, motor and thinking skills at 12 months of age. Some research has found that a brief shortage of blood supply to an organ (such as a leg) at level that does not cause harm may help the body to tolerate a longer and more severe shortage of blood (for example, during surgery). Neurodevelopmental Assessment: The Bayley Scales of Infant and Toddler Development, Third Edition (Bayley-III)9 assesses the developmental functioning of infants and young children between the ages of 1 month and 42 months. Cognitive, language, and motor development are assessed through structured play activities. Social-emotional and adaptive functioning are assessed through parent questionnaires. Administration time is 45 - 60 minutes, depending on the child's performance and behavior. Psychometric properties are well defined and acceptable. Composite scores for cognitive, language, motor, social-emotional, and adaptive behavior are standardized with a mean of 100 and a standard deviation of 15. The Infant Development Inventory (IDI)10 will also be used to assess neurodevelopmental functioning, based on parent report. Parents are asked to rate their child's developmental skills in five domains: social, self help, gross motor, fine motor and language. Administration time is approximately 10 minutes. Infants are categorized as delayed or not delayed for each of the five domains.

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United States