Publications by authors named "Mark N Welch"

Purpose: Determine if raising the pH of 2% lidocaine with epinephrine 1:100 000 to a physiologic level decreases pain perception during periocular, subcutaneous anesthesia.

Design: Double-blind, prospective, randomized study. Simultaneous unilateral injections of buffered and unbuffered lidocaine solutions were given before surgery to patients having bilateral, periocular surgery.

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Purpose: The purpose of this study was to describe a patient who presented with a Purtscherlike retinopathy and subsequent diagnosis of primary hypereosinophilic syndrome.

Methods: Observational case report.

Patient: A 39-year-old woman presented with a 10-day history of blurry vision and urticarial skin rash.

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