Michael D Van Hal

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STUDY OBJECTIVE To define the various factors that influence the rate of effective preoxygenation. DESIGN Prospective, randomized study. SETTING Procedure room in a teaching hospital. SUBJECTS 14 ASA physical status I volunteers who performed 4 sessions of breathing in random order. Of these volunteers, 7 performed two extra sessions using vital(More)
STUDY DESIGN In total, 496 patients of a single surgeon cohort examining the surgical-site infection (SSI) rates with the addition of vancomycin powder in both diabetic and revision spine surgery cases. A historical control group of 652 patients were compared from the same surgeon over an earlier time period before the inception of using vancomycin powder(More)
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