関連する実験動画
COPDの流行の国際的変動 (BOLD研究):人口ベースの流行研究である
A Sonia Buist1, Mary Ann McBurnie, William M Vollmer
1Oregon Health and Sciences University, Portland, OR 97239, USA. BOLD@kpchr.org
Lancet (London, England)
|September 4, 2007
まとめ
この世界的な研究では,高度な慢性阻害性肺疾患 (COPD) の罹患率は10.1%であった. 年齢と喫煙は主要な危険因子ですが,他の要因も世界中でCOPDの流行に寄与しています.
科学分野:
- 肺医学 肺医学について
- エピデミオロジー エピデミオロジー
- グローバル・ヘルス グローバル・ヘルス
背景:
- 慢性阻害性肺疾患 (COPD) は,罹病率と死亡率を引き起こす重要な世界的な健康問題です.
- 正確な罹患率データは,将来の疾病負担を予測し,リスク要因を特定し,医療サービスを計画するために不可欠です.
研究 の 目的:
- COPDの世界的な罹患率を決定する.
- COPDの危険因子としての年齢,性別,喫煙の役割を調査する.
- 各国におけるCOPDの流行の変動を調べる.
主な方法:
- 12の国際施設から9425人の参加者が,bronchodilator後スピロメトリーを受け,アンケートを記入しました.
- COPDの罹患率は,慢性阻害性肺疾患 (GOLD) のグローバルイニシアティブの基準を使用して推定され,ターゲット集団に調整されました.
- ロジスティック回帰とメタ分析を使用して,年齢とCOPDと喫煙パック年の関連性を評価し,調整されたオッズ比率 (OR) を計算しました.
主要な成果:
- ステージIIまたはそれ以上のCOPDの全体的な罹患率は10.1%であり,男性の罹患率は女性 (8.5%) よりも男性 (11.8%) よりも高い.
- 年齢は重要なリスク因子で,10年加減ごとに全体的なプールされたORは1.94でした.
- 喫煙パック年数は,女性ではCOPDとの有意な関連性を示した (総合OR=1.28) が,男性ではそうではなかった (総合OR=1.16).
結論:
- この研究は,これまでに報告された世界規模よりも高いCOPDの罹患率とより高度な疾患の段階を明らかにした.
- 年齢と喫煙が主な要因であるが,COPDの流行における観察された変動を完全に説明することはできず,他の未確認の要因の重要性を示している.
- これらの追加の要因を理解することは,世界的に,特に高齢化人口において,COPDに対する効果的な初次および二次予防戦略を開発するために不可欠です.
関連する概念動画
Chronic Obstructive Pulmonary Disease-IV: Assessement and Diagnostic Studies
Assessing and diagnosing Chronic Obstructive Pulmonary Disease (COPD) involves a detailed approach that includes a comprehensive review of medical history, physical examination, and a variety of diagnostic tests. This thorough evaluation is essential to ensure an accurate diagnosis and guide effective management strategies.
Medical History
Medical History
Chronic Obstructive Pulmonary Disease-I: Introduction
Chronic Obstructive Pulmonary Disease (COPD) is a long-lasting respiratory condition requiring continuous attention and care. It is a progressive lung disease that leads to breathing challenges due to airflow obstruction. It manifests as persistent respiratory symptoms and restricted airflow resulting from abnormalities in the airways and alveoli, usually due to long-term exposure to harmful particles or gases. COPD mainly consists of two primary conditions: emphysema and chronic bronchitis.
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 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...
COPD: Pathogenesis and Clinical Features
Chronic obstructive pulmonary disease (COPD) is a group of lung conditions that progressively worsen over time, including chronic bronchitis and emphysema. This cluster of diseases collectively leads to a gradual and irreversible decline in lung function over time.
The primary cause for the onset of COPD is cigarette smoking and exposure to air pollution. These hazardous factors initiate a chain reaction within the lungs, resulting in chronic inflammation, damage to the airways, and a...
The primary cause for the onset of COPD is cigarette smoking and exposure to air pollution. These hazardous factors initiate a chain reaction within the lungs, resulting in chronic inflammation, damage to the airways, and a...
Bias in Epidemiological Studies
Biases can arise at various stages of research, from study design and data collection to analysis and interpretation. Recognizing and addressing these biases is essential to ensure the validity and reliability of epidemiological findings.Broadly speaking, biases in epidemiology fall into three main categories: selection bias, information bias, and confounding. A more detailed description of possible biases is: