Publications by authors named "Andrew W O'Keefe"

It is reported that 6% of children and 3% of adults have food allergies, with studies suggesting increased prevalence worldwide over the last few decades. Despite this, our diagnostic capabilities and techniques for managing patients with food allergies remain limited. We have conducted a systematic review of literature published within the last 5 years on the diagnosis and management of food allergies.

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Introduction: Food allergy is the most common cause of anaphylaxis in children and recent studies suggest increased prevalence of both food allergy and anaphylaxis. Among foods, fruits are rarely implicated as the cause of anaphylaxis. Furthermore, anaphylaxis to fruit in the first months of life is rare.

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We describe a case of recurrent oropharyngeal angioedema in a 16-year-old boy with a history of sickle cell disease and thrombocytopenia and with no family history of angioedema. Emergency treatment of angioedema with C1-esterase inhibitor (C1-INH) provided immediate relief, avoiding the placement of a surgical airway. Further evaluation has shown C1-INH to be normal in quantity and function, with normal complement studies during acute attacks.

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