関連する実験動画
Updated: Jul 21, 2026
14:39
Bronchial Thermoplasty: A Novel Therapeutic Approach to Severe Asthma
Published on: November 4, 2010
呼吸法によるフルーセミドによる運動による筋収縮の予防
S Bianco1, A Vaghi, M Robuschi
1Institute of Lung Disease, University of Siena, Italy.
Lancet (London, England)
|July 30, 1988
まとめ
吸入されたフルーセミドは,喘息患者の運動誘発性肺縮を効果的に予防します. この利尿剤は,口服投与とは異なり,吸入すると用量依存の保護効果を示します.
科学分野:
- 肺内医学は肺内医学である.
- 薬理学 薬理学とは
背景:
- 運動誘発性筋縮 (EIB) は,喘息患者の一般的な症状です.
- ハイパロスモラリティ仮説は,呼吸道脱水が EIB に寄与することを示唆しています.
研究 の 目的:
- 吸入フルーセミドがEIBを予防する効果を調査する.
- EIBの予防のために,吸入フルーセミドと口服フルーセミドとプラセボを比較する.
主な方法:
- 3つの部分,ランダム化,ダブルブラインド,プラセボ対照試験が行われました.
- 運動後にFEV1が少なくとも20%低下した喘息患者も参加した.
- 吸入フルーセミド (14 mg,28 mg) と口服フルーセミド (20 mg) をプラセボと比較して試験した.
主要な成果:
- 吸入されたフルセミドは,EIBに対する有意な,用量依存の保護効果を示した.
- FEV1の平均最大パーセント低下は,プラセボと比較して,吸入フルーセミドで大幅に減少しました.
- 経口フルスメミドは,EIBに対する有意な保護効果を示さなかった.
結論:
- 吸入されたフルーセミドは,喘息における運動誘発性筋収縮の予防に効果的です.
- この結果は,EIBのハイパロスモラリティ仮説を裏付けている.
- 吸入フルーセミドは,EIBの管理のための新しい治療戦略を提供することができる.
関連する概念動画
01:17Drugs Used in Lower Respiratory Disorders: Overview
Lower respiratory tract disorders present challenges that often require skilled and nuanced approaches for effective management. Common ailments, such as asthma and chronic obstructive pulmonary disease (COPD), have prompted the development of intricate treatment strategies involving bronchodilators and anti-inflammatory drugs, each tailored to ease breathing and revitalize the lungs.
Bronchodilators, the first step of respiration enhancement, come in various forms, each with its own mechanism...
Bronchodilators, the first step of respiration enhancement, come in various forms, each with its own mechanism...
01:20Asthma: Pathogenesis and Management
Asthma is a chronic pulmonary condition involving inflammation of the airways, hyper-reactivity, and reversible obstruction of the airways. This condition can significantly impact a person's quality of life, making breathing difficult and leading to distressing symptoms.
Asthma is classified as allergic and non-allergic. Allergens such as dust mites, pollen, and pet dander trigger allergic asthma, while factors like cold air, intense emotions, or exercise can induce non-allergic asthma.
Asthma is classified as allergic and non-allergic. Allergens such as dust mites, pollen, and pet dander trigger allergic asthma, while factors like cold air, intense emotions, or exercise can induce non-allergic asthma.
01:25Antiasthma Drugs: β2-Adrenoceptor Agonists
Bronchodilators are critical in managing asthma, a chronic respiratory condition characterized by airway constriction due to inflammation and hyper-reactivity. Specifically, bronchodilators ease this constriction by relaxing the bronchial muscles, facilitating easier breathing.
One class of bronchodilators includes β2-adrenoceptor agonists. These agents target the β2-adrenoceptors located on bronchial smooth muscle cells. By stimulating these receptors, β2-agonists induce relaxation in these...
One class of bronchodilators includes β2-adrenoceptor agonists. These agents target the β2-adrenoceptors located on bronchial smooth muscle cells. By stimulating these receptors, β2-agonists induce relaxation in these...
01:24Antiasthma Drugs: Methylxanthines
Theophylline, a member of the methylxanthine class of bronchodilators, has long been used in asthma management. While its exact mechanism of action is not fully understood, it is believed to have multiple effects on various cellular processes.
Theophylline is thought to inhibit phosphodiesterase enzymes, increasing intracellular levels of cyclic adenosine monophosphate (cAMP) and cyclic guanosine monophosphate (cGMP). This rise in cAMP and cGMP concentrations stimulates cardiac function,...
Theophylline is thought to inhibit phosphodiesterase enzymes, increasing intracellular levels of cyclic adenosine monophosphate (cAMP) and cyclic guanosine monophosphate (cGMP). This rise in cAMP and cGMP concentrations stimulates cardiac function,...
01:20Antiasthma Drugs: Muscarinic Receptor Antagonists
Muscarinic receptor antagonists, also known as antimuscarinic agents, are a class of bronchodilators used to treat asthma, although they are more commonly used to treat COPD. They work by inhibiting the action of acetylcholine (ACh), a neurotransmitter, on muscarinic receptors found in the airways.
Antimuscarinic agents compete with ACh for the same binding site on the muscarinic receptors. By binding to these receptors, they inhibit the downstream effects of ACh and block the parasympathetic...
Antimuscarinic agents compete with ACh for the same binding site on the muscarinic receptors. By binding to these receptors, they inhibit the downstream effects of ACh and block the parasympathetic...
01:26COPD: Management Using Bronchodilators and Corticosteroids
Chronic obstructive pulmonary isease (COPD) involves a group of progressive lung disorders characterized by persistent airflow limitation and chronic respiratory symptoms. Asthma-COPD Overlap Syndrome (ACOS), encompassing features of both asthma and Chronic obstructive pulmonary disease (COPD), is a group of progressive lung disorders that includes chronic bronchitis, emphysema, and refractory (non-reversible) asthma. ACOS leads to complex clinical presentations that combine the inflammatory...