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The value of serum Krebs von den lungen-6 as a diagnostic marker in connective tissue disease associated with interstitial lung disease

血清 Krebs-von-den lungen-6 在结缔组织病合并间质性肺病诊断中的价值

  • 影响因子:2.40
  • DOI:10.1186/s12890-019-1043-z
  • 作者列表:"Hua Ma","Junhui Lu","Yuanyuan Song","Huixuan Wang","Songlou Yin
  • 发表时间:2020-01-12
Abstract

Abstract Objectives The purpose of this study was to evaluate the value of serum krebs von den lungen-6 (KL-6) level as a diagnostic indicator for connective tissue disease associated with interstitial lung disease (CTD-ILD). Methods One hundred fifty five patients with newly diagnosed CTD in our hospital were enrolled and divided into two groups by their ILD manifestations, the CTD-ILD group and the CTD group. In parallel, 61 patients with pulmonary infection and 60 cases of healthy subjects were also enrolled into the study. The difference of serum KL-6 level among the four groups were compared. In CTD-ILD group, carbon monoxide diffusing capacity (DLCo) and high-resolution computed tomography (HRCT) of lung were also tested. The serum KL-6 level of 32 patients from the CTD-ILD group who received cyclophosphamide (CTX) pulse therapy were sampled and measured, by enzyme linked immunosorbent assay (ELISA), at three time points: before treatment, 3 months after treatment and 6 months after treatment. Results The serum KL-6 level in the CTD-ILD group (1004.9 (676.41738.1) IU/ml) is significantly higher than three other groups (χ 2  = 72.29, P  < 0.001). In the CTD-ILD group the level of serum KL-6 was positively correlated with disease severity on HRCT (r = 0.75, P < 0.001), while was negatively correlated with DLCo (r = − 0.50, P < 0.001). In 32 patients who received CTX pulse therapy, the level of serum KL-6 was gradually decreased in 20 cases whose lesions were absorbed within 6 months (F = 13.67, P < 0.001), whereas it remained unchanged in the rest of 12 patients (Z = -1.328, P = 0.198). Conclusions: Serum KL-6 level can potentially serve as a diagnostic marker for CTD-ILD and be utilized to evaluate the effectiveness of CTX pulse therapy. Keywords: Connective tissue disease, Interstitial lung disease, Connective tissue disease associated with interstitial lung disease, Krebs von den lungen-6

摘要

摘要: 目的: 本研究的目的是评估血清 krebs von den lungen-6 (KL-6) 的价值。水平作为间质性肺病 (CTD-ILD) 相关结缔组织病的诊断指标。方法选择我院初诊 CTD 患者 55 例,根据其 ILD 表现分为 CTD-ILD 组和 CTD 组。同时,61 例肺部感染患者和 60 例健康受试者也被纳入研究。比较四组血清 KL-6 水平的差异。CTD-ILD 组同时进行一氧化碳弥散量 (DLCo) 和肺高分辨率计算机断层扫描 (HRCT) 检查。采用酶联免疫吸附试验 (ELISA) 对 32 例接受环磷酰胺 (CTX) 冲击治疗的 CTD-ILD 患者的血清 KL-6 进行采样,测定三个时间点: 治疗前、治疗后 3 个月、治疗后 6 个月。结果 CTD-ILD 组血清 KL-6 (1004.9 (676.41738.1) IU/ml) 明显高于其他 3 组 (χ 2 = 72.29,p

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影响因子:3.51
发表时间:2020-01-28
DOI:10.1093/rheumatology/kez673
作者列表:["Vadillo C","Nieto MA","Romero-Bueno F","Leon L","Sanchez-Pernaute O","Rodriguez-Nieto MJ","Freites D","Jover JA","Álvarez-Sala JL","Abasolo L"]

METHODS:OBJECTIVES:To asses the clinical course in RA-related interstitial lung disease (RA-ILD) patients with and without rituximab (RTX). The influence of other variables was also evaluated. METHODS:A longitudinal multicentre study was conducted in RA diagnosed with ILD from 2007 until 2018 in Madrid. Patients were included in a registry [pNEumology RhEumatology Autoinmune diseases (NEREA)] from the time of ILD diagnosis. The main endpoint was functional respiratory impairment (FI), when there was a decline ≥5% in the predicted forced vital capacity compared with the previous one. Pulmonary function was measured at baseline and in follow-up visits every 6-12 months. The independent variable was therapy with RTX. Covariables included sociodemographic, clinical, radiological and other therapies. Survival techniques were used to estimate the incidence rate (IR) and 95% CI of functional impairment, expressed per 100 patient-semesters. Cox multivariate regression models were run to examine the influence of RTX and other covariates on FI. Results were expressed as the hazard ratio (HR) and CI. RESULTS:A total of 68 patients were included. FI occurred in 42 patients [IR 23.5 (95% CI 19, 29.1)] and 50% of them had FI within 1.75 years of an ILD diagnosis. A multivariate analysis showed that RTX exposure resulted in a lower risk of FI compared with non-exposure [HR 0.51 (95% CI 0.31, 0.85)]. Interstitial pneumonia, glucocorticoids, disease activity and duration also influenced FI. CONCLUSION:RA-ILD patients deteriorate over time, with the median time free of impairment being <2 years. Patients exposed to RTX had a higher probability of remaining free of FI compared with other therapies. Other factors have also been identified. Key words: rheumatoid arthritis, interstitial lung disease, observational study, rituximab and prognosis

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影响因子:4.40
发表时间:2020-01-01
DOI:10.1007/s00262-019-02431-8
作者列表:["Shibaki, Ryota","Murakami, Shuji","Matsumoto, Yuji","Yoshida, Tatsuya","Goto, Yasushi","Kanda, Shintaro","Horinouchi, Hidehito","Fujiwara, Yutaka","Yamamoto, Nobuyuki","Kusumoto, Masahiko","Yamamoto, Noboru","Ohe, Yuichiro"]

METHODS:The safety of anti-programmed cell death 1 (PD-1) antibody for patients with preexisting interstitial lung disease (ILD) remains unknown. The aim of this study was to evaluate the dependence of preexisting ILD on anti-PD-1 antibody-induced pneumonitis in non-small cell lung cancer (NSCLC) patients. We retrospectively reviewed the association of preexisting ILD with the incidence, radiographic pattern, and outcome of pneumonitis in NSCLC patients receiving anti-PD-1 antibody. A total of 331 patients were included in this study. Of these patients, 17 had preexisting ILD. The incidence of pneumonitis was higher among the patients with preexisting ILD than among those without preexisting ILD (29% vs. 10%, P  = 0.027). The distributions of the CT appearances at the onset of anti-PD-1 antibody-induced pneumonitis were as follows: for the patients with preexisting ILD, two patients (40%) had diffuse alveolar damage (DAD), one patient each with organizing pneumonia-like (OP), hypersensitivity pneumonitis (HP), and other patterns (20% each); for the patients without preexisting ILD, 19 patients (61%) had OP, 8 (26%) had HP, 3 (10%) had DAD, and 1 (3.2%) had other patterns. The median onset time from the initiation of anti-PD-1 antibody treatment until the development of pneumonitis was 1.3 months (range 0.3–2.1 months) for the patients with preexisting ILD and 2.3 months (range 0.2–14.6 months) for the patients without preexisting ILD. Careful attention to the development of pneumonitis is needed, especially within the first 3 months after the start of anti-PD-1 antibody treatment, when using anti-PD-1 antibody to treat patients with preexisting ILD.

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翻译标题与摘要 下载文献
影响因子:4.04
发表时间:2020-01-25
来源期刊:New biotechnology
DOI:10.1016/j.nbt.2019.08.006
作者列表:["Sousa SA","Soares-Castro P","Seixas AMM","Feliciano JR","Balugas B","Barreto C","Pereira L","Santos PM","Leitão JH"]

METHODS::Bacteria of the Burkholderia cepacia complex (Bcc) are ubiquitous multidrug resistant organisms and opportunistic pathogens capable of causing life threatening lung infections among cystic fibrosis (CF) patients. No effective therapies are currently available to eradicate Bcc bacteria from CF patients, as these organisms are inherently resistant to the majority of clinically available antimicrobials. An immunoproteomics approach was used to identify Bcc proteins that stimulate the humoral immune response of the CF host, using bacterial cells grown under conditions mimicking the CF lung environment and serum samples from CF patients with a clinical record of Bcc infection. 24 proteins of the Bcc strain B. cenocepacia J2315 were identified as immunoreactive, 19 here reported as immunogenic for the first time. Ten proteins were predicted as extracytoplasmic, 9 of them being conserved in Bcc genomes. The immunogenic Bcc extracytoplasmic proteins are potential targets for development of novel therapeutic strategies and diagnostic tools to protect patients against the onset of chronic Bcc lung infections.

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