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2 de julio de 2021 / en Scientific Article

Resumen

Background

The treatment of acute asthma exacerbations is usually based on a clinical scoring system. It cannot be performed on small children. However, there is a method called Oscillometry that uses a handheld device to measure respiration. Oscillometry has an objectivity that other assessments of lung function lack. Studies also suggest that it can produce accurate results in children in outpatient care. However, there have not been many evaluations of the effectiveness of Oscillometry in an ED setting. This study aims to determine whether Oscillometry is feasible in the emergency department.

Methods

The study was performed on 20 children between the age of 4 and 18 who had been admitted to an ED for acute asthma exacerbations. Assessments of vital signs, pulmonary asthma score, and Respiritory Impedence were collected with Oscillometry three times: Before treatment, immediately after treatment, and two hours after treatment.

Conclusion

The results of the study demonstrate that Oscillometry is feasible, responsive, and safe for children who are admitted to the Emergency Department for acute asthma exacerbations.

Palabras claves
Asthma, oscillometry, acute asthma
Fuente

Navanandan N, Hamlington KL, Mistry RD, Szefler SJ, Liu AH. Oscillometry for acute asthma in the pediatric emergency department: A feasibility study. Ann Allergy, Asthma Immunol [Internet]. 2020 [cited 2020 Aug 12];125(5):607–9

Other resources of interest

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9 de junio de 2022
Longitudinal monitoring of asthma in the clinic using respiratory oscillometry
Asthma guidelines emphasize the importance of assessing lung function and symptoms. The forced oscillation technique (FOT) and its longitudinal relationship with spirometry and symptoms are unresolved. We examined concordance between longitudinal spirometry, FOT and symptom control, and determined FOT limits of agreement in stable asthma.
9 de junio de 2022
Criteria for Airway Oscillometry Reversibility in Asthma
We read with interest the article in the June 2020 issue of CHEST from Cottee et al,1 examining 52 patients with asthma, which concluded that bronchodilator response to albuterol 400 mg using forced oscillation technique (airway oscillometry [AO]) with Thorasys Tremoflo was more sensitive than spirometry at identifying poor disease control with the asthma control test.1 This pattern was observed for reactance area (AX) and reactance at 5Hz but not for resistance at 5Hz (R5).
2 de mayo de 2022
Effects of Renewable Diesel Exhaust on Lung Function and Self-rated Symptoms for Healthy Volunteers in a Human Chamber Exposure Study
Diesel engine exhaust causes adverse health effects. Meanwhile, the impact of renewable diesel exhaust on human health is less known. In this study, nasal patency, pulmonary function, and self-rated symptoms were assessed in 19 healthy volunteers after two separate 3-hour exposures to renewable diesel (hydrotreated vegetable oil [HVO]) exhaust, and exposure to filtered air (FA) for comparison.
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