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The effect of treatment for sleep apnoea on determinants of blood pressure control
European Respiratory Journal ( IF 24.3 ) Pub Date : 2017-11-01 , DOI: 10.1183/13993003.01261-2017
Raquel Casitas , Elisabet Martínez-Cerón , Raúl Galera , Carolina Cubillos-Zapata , María Jesús González-Villalba , Isabel Fernández-Navarro , Begoña Sánchez , Aldara García-Sánchez , Ester Zamarrón , Francisco García-Río

Our aim was to assess the effect of continuous positive airway pressure (CPAP) on the nocturnal evolution of peripheral chemosensitivity, renin–angiotensin–aldosterone system activity, sympathetic tone and endothelial biomarkers in obstructive sleep apnoea (OSA) patients with isolated nocturnal hypertension (INH) or day–night sustained hypertension (D-NSH). In a crossover randomised trial, 32 OSA patients newly diagnosed with hypertension and without antihypertensive treatment were randomly assigned to 12 weeks of CPAP or sham CPAP. Peripheral chemosensitivity was evaluated before and after sleep using the hypoxic withdrawal test (%ΔVI). At baseline, D-NSH patients showed higher %ΔVI before sleep and higher levels of aldosterone and diurnal catecholamines. CPAP only reduced the nocturnal increase of %ΔVI in INH patients (6.9%, 95% CI 1.0–12.8%; p=0.026). CPAP-induced change from baseline in %ΔVI after sleep was 7.5% (95% CI 2.6–12.2%, p=0.005) in the INH group and 5.7% (95% CI 2.2–9.3%, p=0.004) in the D-NSH group. In contrast, %ΔVI before sleep only decreased with CPAP in the D-NSH patients (3.0%, 95% CI 0.5–5.6%; p=0.023). In conclusion, CPAP reduces the nocturnal increase of peripheral chemosensitivity experienced by INH patients and corrects the high daytime sensitivity of patients with D-NSH. Differences in response to CPAP between these patients can help better understand the mechanisms of perpetuation of hypertension in sleep apnoea. Peripheral chemosensitivity justifies differences in nocturnal–diurnal blood pressure in patients with sleep apnoea http://ow.ly/ntYr30eFU0b

中文翻译:

睡眠呼吸暂停治疗对血压控制决定因素的影响

我们的目的是评估持续气道正压通气 (CPAP) 对阻塞性睡眠呼吸暂停 (OSA) 患者孤立性夜间高血压 (INH) 外周化学敏感性、肾素-血管紧张素-醛固酮系统活性、交感神经张力和内皮生物标志物的夜间演变的影响。 ) 或昼夜持续性高血压 (D-NSH)。在一项交叉随机试验中,32 名新诊断为高血压且未接受降压治疗的 OSA 患者被随机分配到 12 周的 CPAP 或假 CPAP。使用缺氧戒断试验 (%ΔVI) 评估睡眠前后的外周化学敏感性。在基线时,D-NSH 患者在睡前表现出更高的 %ΔVI,以及更高水平的醛固酮和昼夜儿茶酚胺。CPAP 仅减少 INH 患者夜间 %ΔVI 的增加(6.9%,95% CI 1.0–12.8%;p=0.026)。CPAP 诱导的睡眠后 %ΔVI 相对于基线的变化在 INH 组中为 7.5%(95% CI 2.6-12.2%,p=0.005),在 D 组中为 5.7%(95% CI 2.2-9.3%,p=0.004) -NSH 组。相比之下,D-NSH 患者睡前 %ΔVI 仅随 CPAP 降低(3.0%,95% CI 0.5-5.6%;p=0.023)。总之,CPAP 减少了 INH 患者外周化学敏感性的夜间增加,并纠正了 D-NSH 患者白天的高敏感性。这些患者对 CPAP 反应的差异有助于更好地了解睡眠呼吸暂停中高血压持续存在的机制。外周化疗敏感性证明睡眠呼吸暂停患者夜间 - 昼夜血压差异的合理性 http://ow.ly/ntYr30eFU0b 005) 在 INH 组和 5.7% (95% CI 2.2–9.3%, p=0.004) 在 D-NSH 组。相比之下,D-NSH 患者睡前 %ΔVI 仅随 CPAP 降低(3.0%,95% CI 0.5-5.6%;p=0.023)。总之,CPAP 减少了 INH 患者外周化学敏感性的夜间增加,并纠正了 D-NSH 患者白天的高敏感性。这些患者对 CPAP 反应的差异有助于更好地了解睡眠呼吸暂停中高血压持续存在的机制。外周化疗敏感性证明睡眠呼吸暂停患者夜间 - 昼夜血压差异的合理性 http://ow.ly/ntYr30eFU0b 005) 在 INH 组和 5.7% (95% CI 2.2–9.3%, p=0.004) 在 D-NSH 组。相比之下,D-NSH 患者睡前 %ΔVI 仅随 CPAP 降低(3.0%,95% CI 0.5-5.6%;p=0.023)。总之,CPAP 减少了 INH 患者外周化学敏感性的夜间增加,并纠正了 D-NSH 患者白天的高敏感性。这些患者对 CPAP 反应的差异有助于更好地了解睡眠呼吸暂停中高血压持续存在的机制。外周化疗敏感性证明睡眠呼吸暂停患者夜间 - 昼夜血压差异的合理性 http://ow.ly/ntYr30eFU0b CPAP 减少了 INH 患者夜间外周化学敏感性的增加,并纠正了 D-NSH 患者白天的高敏感性。这些患者对 CPAP 反应的差异有助于更好地了解睡眠呼吸暂停中高血压持续存在的机制。外周化疗敏感性证明睡眠呼吸暂停患者夜间 - 昼夜血压差异的合理性 http://ow.ly/ntYr30eFU0b CPAP 减少了 INH 患者夜间外周化学敏感性的增加,并纠正了 D-NSH 患者白天的高敏感性。这些患者对 CPAP 反应的差异有助于更好地了解睡眠呼吸暂停中高血压持续存在的机制。外周化疗敏感性证明睡眠呼吸暂停患者夜间 - 昼夜血压差异的合理性 http://ow.ly/ntYr30eFU0b
更新日期:2017-11-01
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