American College of Allergy, Asthma & Immunology, Nov. 10-14

The 2022 Annual Scientific Meeting of the American College of Allergy, Asthma & Immunology

The annual meeting of the American College of Allergy, Asthma & Immunology was held from Nov. 10 to 14 in Louisville, Kentucky, and attracted approximately 3,500 participants from around the world, including allergy and immunology specialists as well as other health care professionals. The conference featured presentations focusing on the latest advances in the prevention and treatment of asthma, food and medication allergies, immune dysfunction, and sleep apnea.

In one study, Stanley Fineman, M.D., of Atlanta Allergy & Asthma, and colleagues found that pollen counts are lowest in the early morning hours and start to rise at noon, peaking in the afternoon and evening.

The authors used an automated real-time pollen imaging sensor to monitor pollen counts throughout the day in three locations across the city of Atlanta for one week. The researchers found that pollen counts were lower between 4:00 a.m. and 12 noon, and higher between 2:00 p.m. and 9:00 p.m.

“This data is clinically relevant since we now can advise our pollen allergic patients to do their outdoor activities in the morning, when pollen is lower, to help minimize their exposure to allergenic pollen,” Fineman said.

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In another study, Ariel Leung, M.D., of Saint Agnes Medical Center in Fresno, California, and colleagues found that sexual activity can trigger asthma exacerbations.

The authors reviewed the literature for studies evaluating sexual intercourse as an underdiagnosed trigger for asthma exacerbations. The researchers found that cases of sexual activity inducing asthma exacerbations were limited, likely because many individuals may not realize that sexual activity can lead to exercise-induced asthma (EIA).

“When sexual intercourse-induced asthma is properly identified and treated, allergists are placed in a position where they can improve their patients’ quality of life and even their marriages,” Leung said. “The proper diagnosis and treatment of EIA has great implications on a patient’s quality of life and reproductive wishes. Building the bridge between sex, allergy, and the allergist should become part of the personal culture of clinical allergists and every clinician, in order to extend and improve their patient’s well-being, and possibly even marriage.”

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Hana Ruran, a student working with Peter Thorne, Ph.D., of the University of Iowa College of Public Health in Iowa City, and colleagues identified elevated levels of environmental toxins on smartphones, including allergens, β-D glucan (BDG; a mold component), and endotoxin (a gram-negative bacteria component).

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