PubMed · 11711845
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R Hitchings. 2001. Traumatic glaucoma.. https://doi.org/10.1097/00061198-200110000-00014
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We conducted a trial of oral acetazolamide for the treatment of cryptococcal meningitis in 22 Thai adults with headache and an opening cerebrospinal fluid pressure of >/=200 mm H(2)0. The trial was terminated prematurely because patients who received acetazolamide developed significantly lower venous bicarbonate levels and higher chloride levels and had more-frequent serious adverse events than did subjects who received placebo.
APP23 transgenic mice overexpressing amyloid precursor protein (APP751) reproduce neuropathological changes associated with Alzheimer's disease such as high levels of amyloid plaques, cerebral amyloid angiopathy, and associated vascular pathologies. Functional magnetic resonance imaging (fMRI) was applied to characterize brain functionality in these mice through global pharmacological stimulation. The cerebral hemodynamic response to infusion of the GABA(A) antagonist bicuculline was significantly reduced in aged APP23 mice compared with age-matched wild-type littermates. This is in part attributable to a compromised cerebrovascular reactivity, as revealed by the reduced responsiveness to vasodilatory stimulation by acetazolamide. The study shows that fMRI is a sensitive tool to phenotype genetically engineered animals modeling neuropathologies.
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