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Asthma rehabilitation at high vs. low altitude: randomized parallel-group trial

机译:高海拔和低海拔的哮喘康复:随机平行分组试验

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To investigate the effect of asthma rehabilitation at high altitude (3100?m, HA) compared to low altitude (760?m, LA). For this randomized parallel-group trial insufficiently controlled asthmatics (Asthma Control Questionnaire (ACQ) ?0.75) were randomly assigned to 3-week in-hospital rehabilitation comprising education, physical-&breathing-exercises at LA or HA. Co-primary outcomes assessed at 760?m were between group changes in peak expiratory flow (PEF)-variability, and ACQ) from baseline to end-rehabilitation and 3?months thereafter. 50 asthmatics were randomized [median (quartiles) LA: ACQ 2.7(1.7;3.2), PEF-variability 19%(14;33); HA: ACQ 2.0(1.6;3.0), PEF-variability 17%(12;32)]. The LA-group improved PEF-variability by median(95%CI) -7%(??14 to 0, p?=?0.033), ACQ ??1.4(??2.2 to ??0.9, p??0.001), and after 3?months by ??3%(??18 to 2, p?=?0.103) and???0.9(??1.3 to ??0.3, p?=?0.002). The HA-group improved PEF-variability by ??10%(??21 to ??3, p?=?0.004), ACQ ??1.1(??1.3 to ??0.7, p??0.001), and after 3?months by ??9%(??10 to ??3, p?=?0.003) and???0.2(??0.9 to 0.4, p?=?0.177). The additive effect of HA vs. LA directly after the rehabilitation on PEF-variability was ??6%(??14 to 2), on ACQ 0.3(??0.4 to 1.1) and after 3?months ??5%(??14 to 5) respectively 0.4(??0.4 to 1.1), all p?=?NS. Asthma rehabilitation is highly effective in improving asthma control in terms of PEF-variability and symptoms, both at LA and HA similarly. Clinicaltrials.gov: NCT02741583, Registered April 18, 2016.
机译:研究高海拔(3100?m,HA)与低海拔(760?m,LA)相比哮喘康复的效果。对于该随机平行组试验,将控制不充分的哮喘患者(哮喘控制调查表(ACQ)> 0.75)随机分配到3周的院内康复治疗中,包括教育,在LA或HA进行体育锻炼和呼吸运动。在760?m评估的共同主要结局是在从基线到康复期以及此后3个月的最大呼气流量(PEF)变异性和ACQ的组间变化之间。 50名哮喘患者被随机分配[中位数(四分位数);洛杉矶:ACQ 2.7(1.7; 3.2),PEF变异性19%(14; 33); HA:ACQ 2.0(1.6; 3.0),PEF差异17%(12; 32)]。 LA组将PEF变异性提高了中位数(95%CI)-7%(Δθ14至0,p?=?0.033),ACQΔθ1.4(Δ2.2至?? 0.9,p?<?0.001 ),并在3个月后分别乘以3%(18到2,p?= 0.103)和0.9(1.3到0.3,p = 0.002)。 HA组将PEF的变异性提高了10%(21到3,p = 0.004),ACQ了1.1(1.3-0.7,p <0.001),和3个月后分别增加9%(10到3,p = 0.003)和0.2(0.9到0.4,p = 0.177)。康复后HA与LA对PEF变异性的累加效应分别为?6%(?? 14至2),对ACQ 0.3(?? 0.4至1.1)和3个月后≥5%(?)。 α14〜5)分别为0.4(α0.4〜1.1),全部p 1 =ΔNS。洛杉矶和HA的哮喘康复在PEF变异性和症状方面对改善哮喘控制非常有效。 Clinicaltrials.gov:NCT02741583,2016年4月18日注册。

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