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Epidemiology and treatment outcome of pneumonia: Analysis based on Japan national database.

流行病学及治疗转归肺炎: 基于日本国家数据库里.

  • 影响因子:1.67
  • DOI:10.1016/j.jiac.2019.07.001
  • 作者列表:"Igari H","Yamagishi K","Yamazaki S","Murata S","Yahaba M","Takayanagi S","Kawasaki Y","Taniguchi T
  • 发表时间:2020-01-01
Abstract

:Pneumonia is the third leading cause of death in Japan. Mortality increases at an accelerating rate in elderly patients aged ≥65 years. Elderly patients tend to have underlying conditions affecting pneumonia treatment. The national database (NDB) associated with medical services under Japanese universal health insurance is available for research purposes. Our NDB randomly sampled 10% of hospitalized patients every October from 2011 to 2014. In this NDB, we analyzed pneumonia epidemiology in patients aged ≥15 years and 30-day mortality in Japanese hospitals. This study also investigated the factors affecting treatment outcome. A total of 9386 patients were entered. The number of patients from age 65 years and older increased greatly, representing 85% of the total. The thirty-day mortality rate among all patients was 11.7%. Mortality rates at age 15-64, 65-74, 75-84, and ≥85 years were 9.5%, 12.0%, 8.3%, and 14.9%, respectively, showing significant differences (P < 0.001). The underlying conditions varied among age groups. Male gender, age, heart failure, chronic kidney disease (CKD), consciousness disorder, shock and respiratory failure are risk factors for 30-day mortality. Pneumonia develops mainly in people aged 65 years and older in Japan, and treatment outcome is generally poor in elderly patients. The underlying conditions were seen to affect the 30-day mortality rate. CURB-65 and ADROP, a modification of CURB-65 in Japan, have already estimated these risk factors, and heart failure and CKD might be additional factors for estimating pneumonia severity.

摘要

: 肺炎是日本第三大死因。年龄 ≥ 65 岁的老年患者死亡率增加速度加快。老年患者往往有影响肺炎治疗的潜在条件。与日本全民健康保险下的医疗服务相关的国家数据库 (NDB) 可用于研究目的。我们的NDB从 2011 年至 2014 年每年 10 月随机抽样 10% 的住院患者。在这个NDB中,我们分析了日本医院 ≥ 15 岁和 30 天死亡率患者的肺炎流行病学学。本研究还调查了影响治疗结果的因素。共输入 9386 例患者。65 岁及以上的患者数量大大增加,占总数的 85%。所有患者的 30 天死亡率为 11.7%。15 ~ 64 岁、 65 ~ 74 岁、 75 ~ 84 岁和 ≥ 85 岁的死亡率分别为 9.5% 、 12.0% 、 8.3% 和 14.9%,显示显著性差异 (P <0.001)。不同年龄组的基础疾病不同。男性、年龄、心力衰竭、慢性肾脏病 (CKD) 、意识障碍、休克和呼吸衰竭是 30 天死亡的危险因素。在日本,肺炎主要发生在 65 岁及以上的人群中,老年患者的治疗效果通常较差。潜在的条件被认为会影响 30 天的死亡率。CURB-65 和ADROP (日本对CURB-65 的修改) 已经估计了这些风险因素,心力衰竭和CKD可能是估计肺炎严重程度的额外因素。

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影响因子:14.71
发表时间:2020-02-01
来源期刊:Nature immunology
DOI:10.1038/s41590-019-0571-2
作者列表:["Adrover JM","Aroca-Crevillén A","Crainiciuc G","Ostos F","Rojas-Vega Y","Rubio-Ponce A","Cilloniz C","Bonzón-Kulichenko E","Calvo E","Rico D","Moro MA","Weber C","Lizasoaín I","Torres A","Ruiz-Cabello J","Vázquez J","Hidalgo A"]

METHODS::The antimicrobial functions of neutrophils are facilitated by a defensive armamentarium of proteins stored in granules, and by the formation of neutrophil extracellular traps (NETs). However, the toxic nature of these structures poses a threat to highly vascularized tissues, such as the lungs. Here, we identified a cell-intrinsic program that modified the neutrophil proteome in the circulation and caused the progressive loss of granule content and reduction of the NET-forming capacity. This program was driven by the receptor CXCR2 and by regulators of circadian cycles. As a consequence, lungs were protected from inflammatory injury at times of day or in mouse mutants in which granule content was low. Changes in the proteome, granule content and NET formation also occurred in human neutrophils, and correlated with the incidence and severity of respiratory distress in pneumonia patients. Our findings unveil a 'disarming' strategy of neutrophils that depletes protein stores to reduce the magnitude of inflammation.

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翻译标题与摘要 下载文献
影响因子:2.81
发表时间:2020-01-05
DOI:10.3390/ijerph17010356
作者列表:["Yang LC","Suen YJ","Wang YH","Lin TC","Yu HC","Chang YC"]

METHODS::Pneumonia is a common respiratory infectious disease that involves the inflammation of the pulmonary parenchyma. Periodontal disease is widespread and correlated with pneumonia. However, the relationship between periodontal treatment and clinical infectious outcomes in patients with pneumonia has remained undetermined. The aim of this study was to investigate the association between periodontal treatment and the risk of pneumonia events in the Taiwanese population. A nationwide population-based cohort study was conducted using data from the Taiwanese National Health Insurance Research Database (NHIRD). A total of 49,400 chronic periodontitis patients who received periodontal treatment from 2001 to 2012 were selected. In addition, 49,400 healthy individuals without periodontal diseases were picked randomly from the general population after propensity score matching according to age, gender, monthly income, urbanization, and comorbidities. The Cox proportional hazard regression analysis was adopted to assess the hazard ratio (HR) of pneumonia between the periodontal treatment cohort and the comparison cohort. The average ages of the periodontal treatment and comparison groups were 44.25 ± 14.82 years and 44.15 ± 14.5 years, respectively. The follow up durations were 7.66 and 7.41 years for the periodontal treatment and comparison groups, respectively. We found 2504 and 1922 patients with newly diagnosed pneumonia in the comparison cohort and the periodontal treatment cohort, respectively. The Kaplan-Meier plot revealed that the cumulative incidence of pneumonia was significantly lower over the 12 year follow-up period in the periodontal treatment group (using the log-rank test, p < 0.001). In conclusion, this nationwide population-based study indicated that the patients with periodontal treatment exhibited a significantly lower risk of pneumonia than the general population.

翻译标题与摘要 下载文献
影响因子:2.89
发表时间:2020-04-01
DOI:10.1016/j.ijid.2020.01.038
作者列表:["Ngocho JS","Horumpende PG","de Jonge MI","Mmbaga BT"]

METHODS:OBJECTIVE:To describe the treatment of community-acquired pneumonia (CAP) in children under five years in Tanzania. METHODS:Between January and December 2017, children aged 2-59 months with chest radiography-confirmed CAP were enrolled. The parents were interviewed to collect information on the patients and home-based medication. Clinical information was derived from the patient files. Nasopharyngeal swab and blood samples were collected for isolation of the causative pathogens. Swab samples were analysed by quantitative PCR whereas blood samples were tested using BacT/Alert 3D. RESULTS:Overall, 109 children with CAP were included in this analysis. Provision of care to most children was delayed (median = 4.6 days). A quarter (26.6%) were given unprescribed/leftover antibiotics at home. Only one child had positive bacterial culture. Referrals were associated with nasopharyngeal carriage of Streptococcus pneumoniae (p = 0.003) and Haemophilus influenzae (p = 0.004). Of all admitted children, more than a quarter (n = 29) did not need to be hospitalised and inappropriately received injectable instead of oral antibiotics. CONCLUSION:We found high rates of home treatment, particularly with antibiotics. Appropriate health care was delayed for most children because of home treatment. Efforts are needed at the community level to improve awareness of antimicrobial resistance.

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肺炎方向

肺炎是指终末气道、肺泡和肺间质的炎症。可由细菌、病毒、真菌、寄生虫等致病微生物,以及放射线、吸入性异物等理化因素引起。临床主要症状为发热、咳嗽、咳痰、痰中带血,可伴胸痛或呼吸困难等。

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