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Periodontitis increases the risk of respiratory disease mortality in older patients.
Experimental Gerontology ( IF 3.9 ) Pub Date : 2020-02-25 , DOI: 10.1016/j.exger.2020.110878 Yifeng Qian 1 , Weijun Yuan 1 , Nianrou Mei 2 , Jiaqing Wu 2 , Qingyu Xu 2 , Haixia Lu 3 , Xudong Wang 1
Experimental Gerontology ( IF 3.9 ) Pub Date : 2020-02-25 , DOI: 10.1016/j.exger.2020.110878 Yifeng Qian 1 , Weijun Yuan 1 , Nianrou Mei 2 , Jiaqing Wu 2 , Qingyu Xu 2 , Haixia Lu 3 , Xudong Wang 1
Affiliation
Evidence for an association between periodontitis and respiratory disease in the older patients is limited. Additionally, little information exists regarding the role of potential effect modifiers. The aim of this study is to examine whether periodontitis increases the risk of respiratory disease mortality in older patients. Between January 2010 and December 2014, 1385 patients aged 75 years and above who underwent radiographic examination in the largest dental hospital in Shanghai, China were included in this retrospective cohort study. The dental examination was made with the panoramic radiographs. Demographic information and comorbid health conditions were collected from local health authorities. Participant follow up was continued until either the occurrence of mortality, or the end of the study on December 31, 2018. Cox proportional hazards regression and competing risk hazard models were performed to examine the association between periodontitis and respiratory disease mortality. We found that periodontitis was associated with total respiratory disease mortality. Compared with healthy participants, the hazards ratio and 95% confidence interval for total respiratory disease mortality in patients with severe periodontitis was 2.72(1.04,7.11) after adjusting for relevant confounding variables. With increasing severity of periodontitis, risks for chronic obstructive pulmonary disease (COPD) mortality also increased significantly (P = .038). Smokers and participants with body mass index (BMI) < 25 kg/m2 were at increased risk. Loss of teeth was not associated with either total respiratory disease or COPD mortality. Although the present study cannot ascertain causal association, it provides substantial evidence that poor periodontal health is associated with respiratory disease in the older patients, particularly in smokers and patients with BMI < 25 kg/m2.
更新日期：2020-02-12
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