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Herat failure

Y A Akova, M Onat, S Duman
PURPOSE: To evaluate the efficacy of long-term and low-dose prophylactic oral acyclovir therapy in preventing the recurrence of herpetic infection and increasing graft survival in patients who undergo penetrating keratoplasty (PK) for herpes simplex keratitis (HSK). PATIENTS AND METHODS: Nineteen patients were included in the study, who underwent PK for herpes keratitis from July 1993 to November 1995, received oral acyclovir, and were followed at least 12 months...
March 1999: Ocular Immunology and Inflammation
M C Shu, J M Gross, K M Johnson
Increasingly, transcranial Doppler (TCD) systems are being considered as potential tools to determine the thrombogenicity of herat valve prostheses and/or to serve as early warnings of impending thromboembolic strokes. TCD is thought to detect the presence of intracranial arterial microemboli based on high intensity signals (HITS). While the exact cause of these HITS is not known, it has been theorized that they are due in part to mechanical valve induced cavitation. To determine if this is correct, in vitro experiments were conducted to find if TCD could detect mechanical valve induced cavitation bubbles...
September 1995: Journal of Heart Valve Disease
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