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Effect of collagen vascular disease-associated interstitial lung disease on the outcomes of lung cancer surgery.

ABSTRACT: This study compared the effect of collagen vascular disease-associated interstitial lung disease (CVD-ILD) with that of idiopathic interstitial pneumonias (IIPs) on the outcomes of lung cancer surgery.This study retrospectively reviewed the medical records of patients who underwent surgery for non-small cell lung cancer (NSCLC) and compared the data of 16 patients with CVD-ILD with those of 70 patients with IIPs. The patterns of interstitial lung disease (ILD) on chest computed tomography were classified into usual interstitial pneumonia (UIP) and non-specific interstitial pneumonia (NSIP) patterns.The numbers of UIP and NSIP patterns were 10 (62.5%) and 6 (37.5%) patients in CVD-ILD group, and 62 (88.6%) and 8 (11.4%) patients in IIPs group, respectively. A postoperative acute exacerbation (AE) appeared in 1 patient (6.3%) in the CVD-ILD group and 6 patients (8.6%) in the IIPs group. No significant differences in the incidence of postoperative AE and mortalities were observed between the two groups. The five-year overall survival rates of the CVD-ILD and IIPs groups were 37.5 and 49.2%, respectively.Surgery for NSCLC in CVD-ILD patients appear to cause no increase in postoperative AE and mortality in comparison to that seen in IIPs patients. Similar to IIPs, CVD-ILD might therefore affect the prognosis of resected NSCLC.

SUBMITTER: Maeda H

PROVIDER: S-EPMC5532416 | biostudies-other | 2017 Sep

REPOSITORIES: biostudies-other

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Project description:IntroductionInterstitial lung disease (ILD) is a heterogeneous group of diseases characterized by varying degrees of lung inflammation and/or fibrosis. We investigated biomarkers to infer whether patients with collagen vascular diseases associated ILD (CVD-ILD) and interstitial pneumonia with autoimmune features (IPAF) benefit from immunosuppressive therapy.Materials and methodsWe retrospectively investigated patients with CVD-ILD, IPAF, and idiopathic pulmonary fibrosis (IPF) between June 2013 and May 2017 at our department. First, we assessed differences in serum and bronchoalveolar lavage fluid (BALF) levels of cytokines between groups. Second, we assessed the associations of patient's clinical variables with serum and BALF levels of those cytokines that were different between groups. Finally, we assessed the associations of diagnosis and response to immunosuppressive therapy with serum levels of those cytokines that were different between groups.ResultsWe included 102 patients (51 with IPF, 35 with IPAF, and 16 with CVD-ILD). Serum and BALF levels of CXCL9, CXCL10, and CXCL11 were significantly elevated in patients with IPAF or CVD-ILD compared with those in patients with IPF. BALF levels of CXCL9 and CXCL10 were correlated with the percentages of lymphocytes and macrophages in BALF. Serum levels of CXCL9 and CXCL10 were correlated with BALF levels. Serum levels of CXCL9, CXCL10, and CXCL11 were correlated C-reactive protein, percent predicted forced vital capacity, alveolar-arterial oxygen difference, and the percentages of lymphocytes and macrophages in BALF. Serum levels of CXCL9, CXCL10, and CXCL11 showed moderate accuracy to distinguish patients with CVD-ILD from those with IPAF and IPF. Pre-treatment serum levels of CXCL9 and CXCL11 showed strong positive correlations with the annual forced vital capacity changes in patients with IPAF and CVD-ILD treated with immunosuppressive drugs.ConclusionsSerum CXCL9, CXCL10, and CXCL11 are potential biomarkers for autoimmune inflammation and predictors of the immunosuppressive therapy responses in ILD with background autoimmunity.

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Effect of collagen vascular disease-associated interstitial lung disease on the outcomes of lung cancer surgery.

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