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Prognostic value of blood pressure drops during the first 24 h after hospital admission for risk stratification of community-acquired pneumonia: a retrospective cohort study.

入院后 24 h内血压下降对社区获得性肺炎危险分层的预后价值: 一项回顾性队列研究。

  • 影响因子:2.48
  • DOI:10.1007/s15010-020-01391-x
  • 作者列表:"Schulte-Hubbert B","Meiswinkel N","Kutschan U","Kolditz M
  • 发表时间:2020-04-01
Abstract

OBJECTIVES:Current risk stratification in community-acquired pneumonia (CAP) does not incorporate the dynamic nature of CAP evolution. Study aim was to evaluate the predictive value of early blood pressure (BP) drop and its consideration within the CRB-65 score. METHODS:We performed a retrospective cohort study including consecutive adult hospitalized CAP patients 2013-2014 without documented treatment limitations or direct ICU admission. The CRB-65 score was calculated initially and re-calculated including any BP below the threshold (BP drop) within the first 24 h (CRB-65[BP24]). The primary endpoint was need for mechanical ventilation or vasopressors (MVVS) occurring after 24 h. Prognostic values were evaluated by uni- and multivariate and ROC curve analyses. RESULTS:28/294 patients (9.5%) met the primary endpoint. Only 3 (11%) of them showed an initial BP of < 90 mmHg systolic or ≤ 60 mmHg diastolic, but 21 (75%) developed a BP drop within the first 24 h. 24/178 (13%) with and only 4/116 (3%) without any low BP during the first 24 h needed MVVS (p = 0.004). After multivariate analysis, the predictive value of BP drop was independent of other score parameters and biomarkers (all p < 0.01). In ROC analysis, the new CRB-65(BP24) showed a better prediction than the CRB-65 score (AUC 0.69 vs. 0.62, p = 0.04). 7/13 patients (54%) with MVVS despite an admission CRB-65 of 0 or 1 showed a BP drop. CONCLUSIONS:In the evaluated cohort, BP drop within the first 24 h was significantly associated with more need for MVVS in CAP, and its consideration improved the prognostic value of the CRB-65 score.

摘要

目的: 目前社区获得性肺炎 (CAP) 的危险分层没有纳入CAP演变的动态性质。研究目的是评估早期血压 (BP) 下降的预测价值及其在CRB-65 评分内的考虑。 方法: 我们进行了一项回顾性队列研究,包括 2013-2014 连续成人住院CAP患者,但无治疗限制或直接入住ICU。最初计算CRB-65 评分并重新计算,包括前 24 小时内任何低于阈值的BP (BP下降) (CRB-65[BP24])。主要终点是需要机械通气或 24 小时后发生的血管加压药 (MVVS)。通过单变量和多变量和ROC曲线分析评估预后值。 结果: 28/294 例患者 (9.5%) 符合主要终点。其中只有 3 名 (11%) 显示初始血压收缩压 <90 mmhg或舒张压 ≤ 60 mmhg,但 21 名 (75%) 在最初 24 小时内出现血压下降。24/178 (13%) 和仅 4/116 (3%) 在第一个 24 小时内没有任何低BP需要MVVS (p   =   0.004)。经多变量分析,BP下降的预测值独立于其他评分参数和生物标志物 (p均 <0.01)。在ROC分析中,新的CRB-65(BP24) 显示出比CRB-65 评分更好的预测 (AUC 0.69 对 0.62,p   =   0.04)。7/13 例MVVS患者 (54%),尽管入院CRB-65 为 0 或 1,但显示BP下降。 结论: 在评估的队列中,前 24 小时内的BP下降与CAP中更多的MVVS需求显著相关,并且其考虑改善了CRB-65 评分的预后价值。

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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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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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