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Breathlessness and incidence of COPD, cardiac events and all-cause mortality: A 44-year follow-up from middle age throughout life.
PLOS ONE ( IF 2.9 ) Pub Date : 2019-03-18 , DOI: 10.1371/journal.pone.0214083
Jacob Sandberg 1 , Gunnar Engström 2 , Magnus Ekström 1
Affiliation  

BACKGROUND Breathlessness is prevalent in the general population and may be associated with adverse health outcomes. This study aimed to evaluate the association of breathlessness with Chronic Obstructive Pulmonary Disease (COPD) events, cardiac events and all-cause mortality from middle-age throughout life. METHODS Breathlessness was measured in 699, 55-year old men residing in Malmö, Sweden using modified Medical Research Council (mMRC). COPD events (hospitalisation, death or diagnosis) cardiac events and all-cause mortality was assessed using The Swedish Causes of Death Register and Hospital Discharge Register. Data was analyzed using Cox- and competing risks (Fine-Gray) regression analysis. RESULTS 695 (99%) of 699 participants died and four emigrated during follow up. Eighty-seven (12%) had mMRC = 1 and 19 (3%) had mMRC≥2. Breathlessness was associated with COPD events; adjusted Sub-Hazard Ratio 2.1 (95% CI, 1.2-3.6) for mMRC = 1 and 7.5 (2.6-21.7) for mMRC ≥ 2 but not associated with cardiac events when adjusting for competing events and confounding. Breathlessness was associated increased all- cause mortality (Hazard Ratios of 1.4 (1.1-1.7) (mMRC = 1) and 3.4 (2.1-5.6) (mMRC ≥ 2)). CONCLUSION Breathlessness is associated with increased risk of COPD events and increase in all-cause mortality from age 55 until death.

中文翻译:


呼吸困难和 COPD、心脏事件和全因死亡率的发生率:从中年到一生的 44 年随访。



背景技术呼吸困难在普通人群中普遍存在并且可能与不良的健康结果相关。本研究旨在评估呼吸困难与中年期间慢性阻塞性肺疾病 (COPD) 事件、心脏事件和全因死亡率的关系。方法 使用改良的医学研究委员会 (mMRC) 对居住在瑞典马尔默的 699 名 55 岁男性进行了呼吸困难测量。使用瑞典死亡原因登记册和医院出院登记册评估慢性阻塞性肺病事件(住院、死亡或诊断)心脏事件和全因死亡率。使用 Cox 风险和竞争风险(Fine-Gray)回归分析对数据进行分析。结果 699 名参与者中有 695 名(99%)在随访期间死亡,四人移民。 87 名 (12%) 的 mMRC = 1,19 名 (3%) 的 mMRC≥2。呼吸困难与慢性阻塞性肺病事件有关; mMRC = 1 时调整后的子危险比为 2.1 (95% CI, 1.2-3.6),mMRC ≥ 2 时调整后的子危险比为 7.5 (2.6-21.7),但在调整竞争事件和混杂因素时与心脏事件无关。呼吸困难与全因死亡率增加相关(风险比为 1.4 (1.1-1.7) (mMRC = 1) 和 3.4 (2.1-5.6) (mMRC ≥ 2))。结论 呼吸困难与 COPD 事件风险增加以及 55 岁至死亡期间全因死亡率增加相关。
更新日期:2019-03-19
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