ヒスタミン呼吸道過敏反応と慢性閉塞性肺疾患による死亡率:コホート研究
J J Hospers1, D S Postma, B Rijcken
1Department of Epidemiology and Statistics, University of Groningen, The Netherlands.
Lancet (London, England)
|November 10, 2000
まとめ
呼吸道過剰反応性の増加は,慢性閉塞性肺疾患 (COPD) による死亡率を予測する. このリスクは,喫煙者や非喫煙者の両方に存在し,呼吸器の健康上の結果における重要な要因を強調しています.
科学分野:
- 呼吸器医学とは
- エピデミオロジー エピデミオロジー
- 肺内科 肺内科 肺内科
背景:
- 喫煙と呼吸道不活性性は,呼吸器系の症状のリスク要因として確立されています.
- また,喫煙は死亡率の増加とも関連しています.
- 呼吸道過敏反応,死亡率,喫煙との関係は,さらなる調査が必要である.
研究 の 目的:
- 呼吸道過剰反応が死亡率の増加と関連しているかどうかを判断する.
- この関連が喫煙と肺機能低下とは無関係であるかどうかを評価する.
主な方法:
- ヒスタミンチャレンジテストデータを持つ2008年住民の30年間のフォローアップ研究.
- オランダのコミュニティ (Vlagtwedde,Vlaardingen,Meppel) から収集されたデータ.
- 分析には,生存者1453人,死亡者526人が含まれており,死因が記録されています.
主要な成果:
- 慢性阻害性肺疾患 (COPD) による死亡率は,より高い呼吸道過敏反応率で有意に増加しました.
- COPDの死亡率に対する相対的なリスクは,低ヒスタミン値 (例えば,1g/Lで15.8) によりエスカレートした.
- 結果は,喫煙と肺機能を含む複数の混同要因に調整されました.
結論:
- ヒスタミンの高い呼吸道過敏反応は,COPDの死亡率の予測因子です.
- この予測的関係性は,喫煙者や禁煙者の両方で観察されました.
- 呼吸道過剰反応は,COPDに関連する死亡率の重要な要因です.
関連する概念動画
Chronic Obstructive Pulmonary Disease
COPD is defined as a heterogeneous lung condition marked by persistent respiratory symptoms such as dyspnea, cough, and sputum production, caused by abnormalities in the airways that cause airflow obstruction.
Smoking is a primary risk factor for COPD, with over 80% of patients having a history of it. Patients typically experience progressive dyspnea or labored breathing, frequent coughing, and recurrent pulmonary infections. Many eventually succumb to respiratory failure, characterized by...
Smoking is a primary risk factor for COPD, with over 80% of patients having a history of it. Patients typically experience progressive dyspnea or labored breathing, frequent coughing, and recurrent pulmonary infections. Many eventually succumb to respiratory failure, characterized by...
Chronic Obstructive Pulmonary Disease-II: Pathophysiology
Chronic Obstructive Pulmonary Disease (COPD) pathophysiology is intricate and multifaceted, involving a complex interplay of physiological processes. Understanding these mechanisms is crucial for effectively managing and treating COPD. Here is an in-depth look at the critical elements in the pathophysiology of COPD:
Chronic Inflammation
Chronic Inflammation
Chronic Obstructive Pulmonary Disease-III: Symptoms and Complications.
Understanding the variety of primary symptoms and systemic complications that characterize chronic obstructive pulmonary disease (COPD) is crucial for healthcare professionals.
Symptoms of COPD can be classified as primary or systemic. Primary symptoms relate to reduced airflow, while systemic or extrapulmonary symptoms relate to COPD's broader impact on the body.
Primary Symptoms of COPD:
Symptoms of COPD can be classified as primary or systemic. Primary symptoms relate to reduced airflow, while systemic or extrapulmonary symptoms relate to COPD's broader impact on the body.
Primary Symptoms of COPD:
Chronic Obstructive Pulmonary Disease I: Introduction
Chronic obstructive pulmonary disease is a common, preventable, and treatable respiratory disorder characterized by persistent symptoms and progressive airflow limitation. This limitation results from a combination of small-airway disease (obstructive bronchiolitis) and parenchymal destruction (emphysema), both driven by chronic inflammation from exposure to harmful particles or gases.The disease includes two main pathological entities: emphysema, marked by destruction of alveolar walls and...
Chronic Obstructive Pulmonary Disease II: Emphysema
Emphysema, a major phenotype of chronic obstructive pulmonary disease (COPD), is characterized by irreversible destruction of alveolar walls and permanent enlargement of distal airspaces. Unlike chronic bronchitis, which primarily affects the airways, emphysema predominantly involves the lung parenchyma, where structural damage leads to airflow limitation.PathophysiologyIt most commonly results from prolonged exposure to cigarette smoke and other toxic gases, particularly cigarette smoke.
Chronic Obstructive Pulmonary Disease III: Chronic Bronchitis Features
Chronic bronchitis is a key phenotype of chronic obstructive pulmonary disease (COPD), characterized by airway-centered inflammation and mucus overproduction. It develops from long-term exposure to harmful particles or gases, most commonly cigarette smoke, which triggers a persistent inflammatory response.Cellular and Structural ChangesInflammation initially affects the large bronchi and later the smaller airways, with infiltration by immune cells, including neutrophils, macrophages, and...


