Vincent DeCrescito
New York University
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Featured researches published by Vincent DeCrescito.
Stroke | 1988
Wise Young; Joan C. Wojak; Vincent DeCrescito
U74006F is a member of a new family of steroid drugs called 21-aminosteroids, which are potent inhibitors of lipid peroxidation with little or no glucocorticoid or mineralocorticoid activity. We investigated the effects of U74006F on the early ionic edema produced by middle cerebral artery occlusion in rats. Intravenous doses of 3 mg/kg U74006F were given 10 minutes and 3 hours after occlusion. Tissue concentrations of Na+, K+, and water at and around the infarct site were measured by atomic absorption spectroscopy and by wet-dry weight measurements 24 hours after occlusion. Compared with vehicle treatment, U74006F treatment reduced brain water entry, Na+ accumulation, K+ loss, and net ion shift by 25-50% in most brain areas sampled in the frontal and parietal cortex. However, reductions of ionic edema were most prominent and reached significance (p less than 0.005, unpaired two-tailed t test) mostly in the frontoparietal and parietal cortex areas adjacent to the infarct site. Our findings suggest that a steroid drug without glucocorticoid or mineralocorticoid activity can reduce edema in cerebral ischemia but that the effects are largely limited to tissues in which collateral blood flow may be present.
Stroke | 1991
Joan C. Wojak; Vincent DeCrescito; Wise Young
The basilar artery is one of the three major sources of blood supply to the circle of Willis. To investigate the effects of basilar artery occlusion, we surgically exposed and coagulated the basilar artery in 25 rats. Basilar artery occlusion at any single point between the foramen magnum and the circle of Willis in 11 rats did not produce histologically detectable infarcts in the brain at 12-24 hours. Two-point occlusions of the basilar artery in 12 rats produced variable infarcts between the occlusion sites but no ischemic lesions elsewhere. After either single- or double-point occlusions, the proximal basilar artery refilled within 2-3 minutes. When the basilar artery was occluded above and below the origins of the anterior inferior cerebellar arteries, the artery segments between the occlusion points initially collapsed but refilled within 2-3 minutes in two rats. Basilar artery occlusions invariably suppressed cortical somatosensory evoked potentials by greater than 50%. Regardless of whether a brain stem infarct developed, somatosensory evoked potential amplitudes recovered to greater than baseline levels by 4 hours in seven of 17 rats and returned to baseline levels by 24 hours in every rat tested. We conclude that the occluded basilar artery receives extensive retrograde collateral blood flow and that somatosensory evoked potentials are exquisitely sensitive to basilar artery occlusion but are insensitive to whether brain stem infarcts develop.
Journal of Neurosurgery | 1981
Wise Young; Eugene S. Flamm; Harry B. Demopoulos; John J. Tomasula; Vincent DeCrescito
Journal of Neurosurgery | 1974
N. Eric Naftchi; Margaret Demeny; Vincent DeCrescito; John J. Tomasula; Eugene S. Flamm; James B. Campbell
Journal of Neurotrauma | 1989
Sophie Kwo; Wise Young; Vincent DeCrescito
Neurosurgery | 1982
Eugene S. Flamm; Wise Young; Harry B. Demopoulos; Vincent DeCrescito; John J. Tomasula
Journal of Neurosurgery | 1982
Wise Young; Vincent DeCrescito; John J. Tomasula
Journal of Neurosurgery | 1980
Diana Dow-Edwards; Vincent DeCrescito; John J. Tomasula; Eugene S. Flamm
Journal of Neurosurgery | 1974
James B. Campbell; Vincent DeCrescito; John J. Tomasula; Harry B. Demopoulos; Eugene S. Flamm; Bienvenido D. Ortega
Journal of Neurosurgery | 1980
Wise Young; Vincent DeCrescito; John J. Tomasula; Victor Ho