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Traumatic brain injury (TBI) is associated with an almost immediate reduction in cerebral blood flow (CBF). Because cerebral perfusion pressure is often normal under these circumstances it was hypothesized that the reduction of post-traumatic CBF has to occur at the level of the microcirculation. The aim of the current study was to investigate whether(More)
The timing of decompressive craniectomy for the treatment of increased intracranial pressure (ICP) after traumatic brain injury (TBI) is a widely discussed clinical issue. Although we showed recently that early decompression is beneficial following experimental TBI, it remains unclear to what degree decompression craniectomy reduces secondary brain damage(More)
Leukocytes are believed to be involved in delayed cell death following traumatic brain injury (TBI). However, data demonstrating that blood-borne inflammatory cells are present in the injured brain prior to the onset of secondary brain damage have been inconclusive. We therefore investigated both the interaction between leukocytes and the cerebrovascular(More)
OBJECTS We designed several distraction devices and applied these instruments in 14 patients with varying types of craniosynostosis. The aim of this report is to clarify the advantages and disadvantages of these surgical methods and to discuss current concepts for the surgical strategy in the treatment of craniosynostosis. METHODS From January 2000 to(More)
BACKGROUND Subarachnoid hemorrhage (SAH) is the stroke subtype with the highest mortality and morbidity. Which molecular events mediate brain damage after SAH is not well understood. OBJECTIVE To investigate the role of proinflammatory bradykinin B(1) and B(2) receptors for the pathophysiology of SAH. METHODS B(1) and B(2) receptor knockout or wild-type(More)
Porous silicon (PSi) exhibiting dual optical properties, both Fabry-Pérot fringe and photolumincence, was developed and used as chemical sensors. PSi samples were prepared by an electrochemical etch of p-type silicon under the illumination of 300-W tungsten lamp during the etch process. The surface of PSi was characterized by cold field-emission scanning(More)
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