Hypercapnia: An Aggravating Factor in Asthma.

Hypercapnia: An Aggravating Factor in Asthma.
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DOI:
10.3390/jcm9103207
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发表时间:
2020-10-05
影响因子:
3.9
通讯作者:
Sznajder JI
Sznajder JI
中科院分区:
医学2区
文献类型:
--
作者:
Shigemura M;Homma T;Sznajder JI

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哮喘是一种常见的慢性呼吸系统疾病,在适当的维持治疗下,大多数患者的结局相对较好。然而,在少数情况下,患者可能会出现严重哮喘伴呼吸衰竭和高碳酸血症,需要入住重症监护室。高碳酸血症是由于肺泡通气不足和从血液中去除二氧化碳(CO2)不足而发生的。虽然轻度高碳酸血症在哮喘患者中通常耐受良好,但越来越多的证据表明,CO2水平升高可作为气体信号分子,引发各种器官(如肺,骨骼肌和先天免疫系统)的有害影响。本文就高碳酸血症的病理生理学研究进展作一综述,并讨论高碳酸血症对哮喘患者的潜在危害。
Asthma is a common chronic respiratory disorder with relatively good outcomes in the majority of patients with appropriate maintenance therapy. However, in a small minority, patients can experience severe asthma with respiratory failure and hypercapnia, necessitating intensive care unit admission. Hypercapnia occurs due to alveolar hypoventilation and insufficient removal of carbon dioxide (CO2) from the blood. Although mild hypercapnia is generally well tolerated in patients with asthma, there is accumulating evidence that elevated levels of CO2 can act as a gaso-signaling molecule, triggering deleterious effects in various organs such as the lung, skeletal muscles and the innate immune system. Here, we review recent advances on pathophysiological response to hypercapnia and discuss potential detrimental effects of hypercapnia in patients with asthma.
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发表时间: 2015-05
期刊: Pflugers Archiv : European journal of physiology
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