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Most frequent errors in inhalation technique of patients with asthma treated at a tertiary care hospital

机译：三级医院治疗的哮喘患者吸入技术中最常见的错误

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Objective: To demonstrate the most frequent errors in inhalation technique in patients with asthma undergoing treatment at a tertiary care hospital. Methods: A cross-sectional study with a convenience sample of asthma patients aged 18 years or over, treated at a pulmonology outpatient clinic of a tertiary care hospital. The assessment of inhalation technique of users of the dry powder inhalers Aerolizer ? , Aerocaps and Diskus ? , or metered-dose inhalers was based on the manufacturer's instructions for use of each inhaler device. Patients demonstrated the inhalation technique with empty inhaler devices, and it was considered correct when all stages were performed properly, or when errors probably did not interfere with the treatment outcome. Results: Among 71 participants, 43 (60.5%) performed inhalation technique incorrectly. Among metered-dose inhalers and dry powder inhalers users, inhalation technique errors were found in 84.2% and 51.9%, respectively (p=0.013). Errors were more frequent at the exhalation stage (67.4%), followed by breathing in (58.1%) and apnea (51.2%). In the group using dry powder inhalers, the most common errors occurred during exhalation and, for those using metered-dose inhalers, the most compromised stage was aspiration. Conclusion: Errors were more frequent among those using metered-dose inhalers compared with dry powder inhalers. Misconceptions are more common at the expiration stage among users of dry powder inhalers and in aspiration among those on metered-dose inhalers.
机译：目的：证明在三级医院接受治疗的哮喘患者的吸入技术中最常见的错误。方法：一项横断面研究，在三级医院的肺科门诊就诊，对18岁或18岁以上哮喘患者的便利性样本进行研究。干粉吸入器Aerolizer？使用者的吸入技术评估，Aerocaps和Diskus？或定量吸入器是根据制造商对每种吸入器设备的使用说明进行使用的。患者演示了使用空的吸入器的吸入技术，当所有阶段均正确执行或错误可能不会干扰治疗结果时，该方法被认为是正确的。结果：71名参与者中，有43名（60.5％）错误地实施了吸入技术。在定量吸入器和干粉吸入器使用者中，吸入技术误差分别为84.2％和51.9％（p = 0.013）。呼气阶段的错误发生率更高（67.4％），其次是呼吸（58.1％）和呼吸暂停（51.2％）。在使用干粉吸入器的组中，最常见的错误发生在呼气过程中，而对于使用定量吸入器的组，最困难的阶段是抽吸。结论：与干粉吸入器相比，使用定量吸入器的错误发生率更高。在干粉吸入器的使用者到期时，误解更为常见，而在定量吸入器中的误解中则更为常见。

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