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Comprehensive assessment of respiratory complications in patients with common variable immunodeficiency.

常见变异型免疫缺陷患者呼吸系统并发症的综合评估.

  • 影响因子:2.00
  • DOI:10.1016/j.anai.2020.01.019
  • 作者列表:"Moazzami B","Mohayeji Nasrabadi MA","Abolhassani H","Olbrich P","Azizi G","Shirzadi R","Modaresi M","Sohani M","Delavari S","Shahkarami S","Yazdani R","Aghamohammadi A
  • 发表时间:2020-05-01
Abstract

BACKGROUND:Common variable immunodeficiency (CVID) is a heterogeneous group of disorders, characterized by recurrent upper and lower respiratory tract infections and some noninfectious clinical complications. OBJECTIVE:To provide a detailed evaluation of respiratory presentations and complications in a cohort of Iranian patients with CVID. METHODS:A retrospective cohort study was conducted on 245 CVID patients who were recorded in the Iranian primary immunodeficiency disorders registry network. Respiratory manifestations were evaluated by reviewing clinical hospital records, immunologic findings, pulmonary function tests (PFT), and high-resolution computed tomography (HRCT) scans. RESULTS:Most of the patients (n = 208, 85.2%) had experienced at least 1 episode of acute respiratory manifestation, and pneumonia was observed in 31.6 % (n = 77) of cases as a first disease manifestation. During the follow-up, pneumonia, sinusitis, and otitis media were documented in 166 (68.6%), 125 (51.2%), and 103 (42.6%) cases, respectively. Abnormal PFT measurements were documented in 53.8% of patients. Among these patients, 21.5% showed restrictive changes, whereas 18.4% of patients showed an obstructive pattern. Bronchiectasis was the most frequent radiological finding, confirmed in 27.2% of patients. Patients with bronchiectasis were older at the time of immunodeficiency diagnosis (P < .001) and had longer diagnosis delay (P < .001) when compared with patients without bronchiectasis. CONCLUSION:This study highlights the importance of monitoring the respiratory tract system even in asymptomatic patients. Pulmonary function tests and CT scans are the most commonly used techniques aiming to identify these patients early, aiming to reduce the rate of long-term respiratory complications.

摘要

背景: 常见的可变免疫缺陷 (CVID) 是一组异质性的疾病,其特征是反复的上、下呼吸道感染和一些非感染性的临床并发症。 目的: 在伊朗CVID患者队列中提供呼吸表现和并发症的详细评估。 方法: 对伊朗原发性免疫缺陷病登记网络中记录的 245 例CVID患者进行回顾性队列研究。通过查阅临床医院记录、免疫学检查结果、肺功能检查 (PFT) 和高分辨率计算机断层扫描 (HRCT) 来评估呼吸系统表现。 结果: 大多数患者 (n = 208,85.2%) 经历过至少 1 次急性呼吸道表现,31.6% (n = 77) 观察到肺炎的病例作为首发疾病的表现。随访期间,肺炎、鼻窦炎和中耳炎分别为 166 (68.6%) 、 125 (51.2%) 和 103 (42.6%) 例。在 53.8% 的患者中记录到异常PFT测量。在这些患者中,21.5% 显示限制性改变,而 18.4% 的患者显示阻塞性模式。支气管扩张是最常见的放射学发现,在 27.2% 的患者中得到证实。与无支气管扩张的患者相比,支气管扩张患者在免疫缺陷诊断时年龄较大 (P <.001),诊断延迟较长 (P <.001)。 结论: 本研究强调了监测呼吸道系统甚至在无症状患者中的重要性。肺功能检查和ct扫描是最常用的技术,旨在早期识别这些患者,旨在降低长期呼吸并发症的发生率。

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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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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.

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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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