Cerebral proton magnetic resonance spectroscopy in children with diabetic ketoacidosis. Export

@article{citeulike:1298162, abstract = {BACKGROUND AND PURPOSE: Subclinical cerebral edema occurs in many, if not most, children with diabetic ketoacidosis (DKA) and may be an indicator of subtle brain injury. Brain ratios of N-acetylaspartate (NAA) to creatine (Cr), measured by proton MR spectroscopy, decrease with neuronal injury or dysfunction. We hypothesized that brain NAA/Cr ratios may be decreased in children in DKA, indicating subtle neuronal injury. MATERIALS AND METHODS: Twenty-nine children with DKA underwent cerebral proton MR spectroscopy during DKA treatment (2-12 hours after initiating therapy) and after recovery from the episode (72 hours or more after the initiation of therapy). We measured peak heights of NAA, Cr, and choline (Cho) in 3 locations within the brain: the occipital gray matter, the basal ganglia, and periaqueductal gray matter. These regions were identified in previous studies as areas at greater risk for neurologic injury in DKA-related cerebral edema. We calculated the ratios of NAA/Cr and Cho/Cr and compared these ratios during the acute illness and recovery periods. RESULTS: In the basal ganglia, the ratio of NAA/Cr was significantly lower during DKA treatment compared with that after recovery (1.68 +/- 0.24 versus 1.86 +/- 0.28, P < .005). There was a trend toward lower NAA/Cr ratios during DKA treatment in the periaqueductal gray matter (1.66 +/- 0.38 versus 1.91 +/- 0.50, P = .06) and the occipital gray matter (1.97 +/- 0.28 versus 2.13 +/- 0.18, P = .08). In contrast, there were no significant changes in Cho/Cr ratios in any region. CONCLUSIONS: NAA/Cr ratios are decreased in children during DKA and improve after recovery. This finding suggests that during DKA neuronal function or viability or both are compromised and improve after treatment and recovery.}, address = {Department of Pediatrics, University of California, Davis School of Medicine, Sacramento, Calif.}, author = {Wootton-Gorges, S. L. and Buonocore, M. H. and Kuppermann, N. and Marcin, J. P. and Barnes, P. D. and Neely, E. K. and Dicarlo, J. and McCarthy, T. and Glaser, N. S.}, citeulike-article-id = {1298162}, citeulike-linkout-0 = {http://view.ncbi.nlm.nih.gov/pubmed/17494665}, citeulike-linkout-1 = {http://www.hubmed.org/display.cgi?uids=17494665}, issn = {0195-6108}, journal = {AJNR Am J Neuroradiol}, keywords = {dka}, month = {May}, number = {5}, pages = {895--899}, posted-at = {2007-05-15 21:39:09}, priority = {3}, title = {Cerebral proton magnetic resonance spectroscopy in children with diabetic ketoacidosis.}, url = {http://view.ncbi.nlm.nih.gov/pubmed/17494665}, volume = {28}, year = {2007} }

TY - JOUR ID - citeulike:1298162 L3 - citeulike-article-id:1298162 N2 - BACKGROUND AND PURPOSE: Subclinical cerebral edema occurs in many, if not most, children with diabetic ketoacidosis (DKA) and may be an indicator of subtle brain injury. Brain ratios of N-acetylaspartate (NAA) to creatine (Cr), measured by proton MR spectroscopy, decrease with neuronal injury or dysfunction. We hypothesized that brain NAA/Cr ratios may be decreased in children in DKA, indicating subtle neuronal injury. MATERIALS AND METHODS: Twenty-nine children with DKA underwent cerebral proton MR spectroscopy during DKA treatment (2-12 hours after initiating therapy) and after recovery from the episode (72 hours or more after the initiation of therapy). We measured peak heights of NAA, Cr, and choline (Cho) in 3 locations within the brain: the occipital gray matter, the basal ganglia, and periaqueductal gray matter. These regions were identified in previous studies as areas at greater risk for neurologic injury in DKA-related cerebral edema. We calculated the ratios of NAA/Cr and Cho/Cr and compared these ratios during the acute illness and recovery periods. RESULTS: In the basal ganglia, the ratio of NAA/Cr was significantly lower during DKA treatment compared with that after recovery (1.68 +/- 0.24 versus 1.86 +/- 0.28, P < .005). There was a trend toward lower NAA/Cr ratios during DKA treatment in the periaqueductal gray matter (1.66 +/- 0.38 versus 1.91 +/- 0.50, P = .06) and the occipital gray matter (1.97 +/- 0.28 versus 2.13 +/- 0.18, P = .08). In contrast, there were no significant changes in Cho/Cr ratios in any region. CONCLUSIONS: NAA/Cr ratios are decreased in children during DKA and improve after recovery. This finding suggests that during DKA neuronal function or viability or both are compromised and improve after treatment and recovery. IS - 5 JF - AJNR Am J Neuroradiol SN - 0195-6108 AD - Department of Pediatrics, University of California, Davis School of Medicine, Sacramento, Calif. EP - 899 TI - Cerebral proton magnetic resonance spectroscopy in children with diabetic ketoacidosis. VL - 28 SP - 895 KW - dka AU - Wootton-Gorges, SL AU - Buonocore, MH AU - Kuppermann, N AU - Marcin, JP AU - Barnes, PD AU - Neely, EK AU - Dicarlo, J AU - McCarthy, T AU - Glaser, NS PY - 2007/05// UR - http://view.ncbi.nlm.nih.gov/pubmed/17494665 ER -