Robert Camuto, the Wine Spectator editor who interviewed me about his COVID-19-related smell loss, has a new piece up at the magazine. He surveys the experiences of sommeliers who have had the illness and how the olfactory disturbances have impacted their professional lives.
I thought of Camuto a few days ago when I found a paper in The Laryngoscope by a multi-European group of clinicians including Thomas Hummel and Carl Philpott. The study examined recovery from post-infectious olfactory dysfunction (PIOD) among patients who undertook olfactory training—a regimen formulated by Hummel and others which has shown promise in speeding the return of smell. The new paper, based retrospectively on 153 PIOD patients, finds that the presence of parosmia—altered smell impressions—at the initial visit is, somewhat paradoxically, a marker of better eventual recovery in odor identification and discrimination.
The study discussed here is “Parosmia is associated withrelevant olfactory recovery after olfactory training,” by David T. Liu, Maha Sabha, Michael Damm, Carl Philpott, Anna Oleszkiewicz, Antje Hähner, and Thomas Hummel, published in The Laryngoscope 131:618, 2021. The paper is available for free download at the link.
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