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A randomised clinical trial of feedback on inhaler adherence and technique in patients with severe uncontrolled asthma
European Respiratory Journal ( IF 16.6 ) Pub Date : 2018-01-01 , DOI: 10.1183/13993003.01126-2017
Imran Sulaiman , Garrett Greene , Elaine MacHale , Jansen Seheult , Matshediso Mokoka , Shona D'Arcy , Terence Taylor , Desmond M. Murphy , Eoin Hunt , Stephen J. Lane , Gregory B. Diette , J. Mark FitzGerald , Fiona Boland , Aoife Sartini Bhreathnach , Breda Cushen , Richard B. Reilly , Frank Doyle , Richard W. Costello

In severe asthma, poor control could reflect issues of medication adherence or inhaler technique, or that the condition is refractory. This study aimed to determine if an intervention with (bio)feedback on the features of inhaler use would identify refractory asthma and enhance inhaler technique and adherence. Patients with severe uncontrolled asthma were subjected to a stratified-by-site random block design. The intensive education group received repeated training in inhaler use, adherence and disease management. The intervention group received the same intervention, enhanced by (bio)feedback-guided training. The primary outcome was rate of actual inhaler adherence. Secondary outcomes included a pre-defined assessment of clinical outcome. Outcome assessors were blinded to group allocation. Data were analysed on an intention-to-treat and per-protocol basis. The mean rate of adherence during the third month in the (bio)feedback group (n=111) was higher than that in the enhanced education group (intention-to-treat, n=107; 73% versus 63%; 95% CI 2.8%–17.6%; p=0.02). By the end of the study, asthma was either stable or improved in 54 patients (38%); uncontrolled, but poorly adherent in 52 (35%); and uncontrolled, but adherent in 40 (27%). Repeated feedback significantly improved inhaler adherence. After a programme of adherence and inhaler technique assessment, only 40 patients (27%) were refractory and adherent, and might therefore need add-on therapy. On a period of monitored adherence only 27% of patients were refractory and adherent and thus need add-on therapy http://ow.ly/ddQr30gTpmb

中文翻译:

重度未控制哮喘患者吸入器依从性和技术反馈的随机临床试验

在严重的哮喘中,控制不佳可能反映了药物依从性或吸入器技术的问题,或者病情难治。本研究旨在确定对吸入器使用特征的(生物)反馈干预是否能识别难治性哮喘并提高吸入器技术和依从性。患有严重未控制哮喘的患者接受分层随机区组设计。强化教育组接受了吸入器使用、依从性和疾病管理方面的反复培训。干预组接受了相同的干预,并通过(生物)反馈指导的培训得到加强。主要结果是实际吸入器依从率。次要结果包括对临床结果的预定义评估。结果评估者对组分配不知情。数据在意向治疗和符合方案的基础上进行分析。(生物)反馈组(n=111)第三个月的平均依从率高于强化教育组(意向治疗,n=107;73% vs 63%;95% CI 2.8%–17.6%;p=0.02)。到研究结束时,54 名患者 (38%) 的哮喘病情稳定或有所改善;52 人(35%)不受控制,但依从性差;并且不受控制,但在 40 (27%) 中坚持。重复反馈显着提高了吸入器的依从性。在依从性和吸入器技术评估计划后,只有 40 名患者 (27%) 难治且依从,因此可能需要附加治疗。在依从性监测期间,只有 27% 的患者难治和依从,因此需要附加治疗 http://ow.ly/ddQr30gTpmb (生物)反馈组(n=111)第三个月的平均依从率高于强化教育组(意向治疗,n=107;73% vs 63%;95% CI 2.8%–17.6%;p=0.02)。到研究结束时,54 名患者 (38%) 的哮喘病情稳定或有所改善;52 人(35%)不受控制,但依从性差;并且不受控制,但在 40 (27%) 中坚持。重复反馈显着提高了吸入器的依从性。在依从性和吸入器技术评估计划后,只有 40 名患者 (27%) 难治且依从,因此可能需要附加治疗。在依从性监测期间,只有 27% 的患者难治和依从,因此需要附加治疗 http://ow.ly/ddQr30gTpmb (生物)反馈组(n=111)第三个月的平均依从率高于强化教育组(意向治疗,n=107;73% vs 63%;95% CI 2.8%–17.6%;p=0.02)。到研究结束时,54 名患者 (38%) 的哮喘病情稳定或有所改善;52 人(35%)不受控制,但依从性差;并且不受控制,但在 40 (27%) 中坚持。重复反馈显着提高了吸入器的依从性。在依从性和吸入器技术评估计划后,只有 40 名患者 (27%) 难治且依从,因此可能需要附加治疗。在依从性监测期间,只有 27% 的患者难治和依从,因此需要附加治疗 http://ow.ly/ddQr30gTpmb 52 人(35%)不受控制,但依从性差;并且不受控制,但在 40 (27%) 中坚持。重复反馈显着提高了吸入器的依从性。在依从性和吸入器技术评估计划后,只有 40 名患者 (27%) 难治且依从,因此可能需要附加治疗。在依从性监测期间,只有 27% 的患者难治和依从,因此需要附加治疗 http://ow.ly/ddQr30gTpmb 52 人(35%)不受控制,但依从性差;并且不受控制,但在 40 (27%) 中坚持。重复反馈显着提高了吸入器的依从性。在依从性和吸入器技术评估计划后,只有 40 名患者 (27%) 难治且依从,因此可能需要附加治疗。在依从性监测期间,只有 27% 的患者难治和依从,因此需要附加治疗 http://ow.ly/ddQr30gTpmb
更新日期:2018-01-01
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