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Brain volumes predict neurodevelopment in adolescents after surgery for congenital heart disease.

von Rhein, M, Buchmann, A, Hagmann, C, Huber, R, Klaver, P, Knirsch, W and Latal, B (2014) Brain volumes predict neurodevelopment in adolescents after surgery for congenital heart disease. Brain, 137 (Pt 1). pp. 268-276.

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Patients with complex congenital heart disease are at risk for neurodevelopmental impairments. Evidence suggests that brain maturation can be delayed and pre- and postoperative brain injury may occur, and there is limited information on the long-term effect of congenital heart disease on brain development and function in adolescent patients. At a mean age of 13.8 years, 39 adolescent survivors of childhood cardiopulmonary bypass surgery with no structural brain lesions evident through conventional cerebral magnetic resonance imaging and 32 healthy control subjects underwent extensive neurodevelopmental assessment and cerebral magnetic resonance imaging. Cerebral scans were analysed quantitatively using surface-based and voxel-based morphometry. Compared with control subjects, patients had lower total brain (P = 0.003), white matter (P = 0.004) and cortical grey matter (P = 0.005) volumes, whereas cerebrospinal fluid volumes were not different. Regional brain volume reduction ranged from 5.3% (cortical grey matter) to 11% (corpus callosum). Adolescents with cyanotic heart disease showed more brain volume loss than those with acyanotic heart disease, particularly in the white matter, thalami, hippocampi and corpus callosum (all P-values < 0.05). Brain volume reduction correlated significantly with cognitive, motor and executive functions (grey matter: P < 0.05, white matter: P < 0.01). Our findings suggest that there are long-lasting cerebral changes in adolescent survivors of cardiopulmonary bypass surgery for congenital heart disease and that these changes are associated with functional outcome.

Item Type: Article
Divisions : Surrey research (other units)
Authors :
von Rhein, M
Buchmann, A
Hagmann, C
Huber, R
Knirsch, W
Latal, B
Date : January 2014
DOI : 10.1093/brain/awt322
Uncontrolled Keywords : adolescents, brain volume, cardiopulmonary bypass surgery, congenital heart disease, neurodevelopment, Adolescent, Adolescent Development, Brain, Cardiac Surgical Procedures, Child, Cognition, Cyanosis, Female, Heart Defects, Congenital, Humans, Image Processing, Computer-Assisted, Magnetic Resonance Imaging, Male, Neurologic Examination, Neuropsychological Tests, Predictive Value of Tests, Psychomotor Performance, Risk Factors
Related URLs :
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 10:39
Last Modified : 24 Jan 2020 19:47

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