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[Clinical characteristics and risk factors affecting outcomes of elderly patients with non-small cell lung cancer complicated by chronic obstructive pulmonary disease].

ABSTRACT: OBJECTIVE:To investigate the clinical features, treatment strategy and risk factors affecting the prognosis of elderly patients with non-small cell lung cancer (NSCLC) complicated by chronic obstructive pulmonary disease (COPD). METHODS:We retrospectively analyzed the data of elderly patietns (>60 years) with newly diagnosed NSCLC complicated by COPD at the Geriatric Institution of General Hospital of PLA between January, 2000 and June, 2015. The clinical data collected included history of smoking, pulmonary function test results, initial treatments, TNM stage, chief complaints, comorbidities and laboratory tests. The Cox proportional hazards regression model was used to explore the prognostic factors in these patients. RESULTS:A total of 200 NSCLC patients were reviewed, of which 107 (53.5%) patients had the co-morbidity of COPD as confirmed by spirometry using bronchodilator test. The median survival of the patients with NSCLC complicated by COPD was 45.8 months with 1-, 3-, 5-, and 10-year survival rates of 80.4%, 55.4%, 41.0% and 20.0%, respectively. Stratification analysis showed that patients with COPD Gold grades 1 and 2 had a significant longer median overall survival (51.7 and 43.1 months, respectively) than those with grade 3/4 (16.9 months; P=0.020 and 0.043, respectively). Univariate and multivariate analyses using Cox proportional hazards regression model showed that an older age, a higher Gold grade, advanced disease stage (stages III and IV), squamous cell carcinoma, nonsurgical initial treatment, coughing and an elevated serum CEA level were independent risk factors for shorter survival of the patients. CONCLUSION:Multiple prognostic factors can affect the outcomes of elderly patients with NSCLC complicated by COPD, and a higher COPD Gold grade that fails to respond to treatment within 3 months is the independent risk factor for survival of the patients.

SUBMITTER: Wang P

PROVIDER: S-EPMC6765511 | biostudies-literature | 2017 Jul

REPOSITORIES: biostudies-literature

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[Clinical characteristics and risk factors affecting outcomes of elderly patients with non-small cell lung cancer complicated by chronic obstructive pulmonary disease].

Wang Peng P Zhang Dong D Guo Xue-Guang XG Sun Bao-Jun BJ Fang Xiang-Qun XQ Qu Ge-Ping GP Liu Chang-Ting CT

Nan fang yi ke da xue xue bao = Journal of Southern Medical University 20170701 7

<h4>Objective</h4>To investigate the clinical features, treatment strategy and risk factors affecting the prognosis of elderly patients with non-small cell lung cancer (NSCLC) complicated by chronic obstructive pulmonary disease (COPD).<h4>Methods</h4>We retrospectively analyzed the data of elderly patietns (>60 years) with newly diagnosed NSCLC complicated by COPD at the Geriatric Institution of General Hospital of PLA between January, 2000 and June, 2015. The clinical data collected included h ...[more]

PMID: 28736363

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Project description:The present study investigated the clinical effect of antibiotic de-escalation therapy in elderly patients with chronic obstructive pulmonary disease (COPD) complicated with severe pneumonia. According to the parity method of hospitalization number, 86 cases were selected and divided into the observation and control group with 43 cases each. Based on empirical antibiotic application, levofloxacin and cephalosporin antibiotics were used in the control group. After treatment for 3 days, the regimen was adjusted to antibiotics active against Gram-positive (G+) and Gram-negative (G-) bacteria such as the third or fourth generation cephalosporin antibiotics, combined with aminoglycoside, or macrolide antibiotics according to their effects. The treatment effects were re-evaluated after 3-7 days. Finally, broad-spectrum antibiotics such as imipenem were chosen or adjusted by bacterial cultures and drug sensitivity results in the control group. Patients in the observation group were treated according to the principle of antibiotic de-escalation therapy. Antibiotics active against G+ and G- bacteria were chosen as the first round of medication. After 3 days, broad-spectrum antibiotics such as imipenem were added to the treatment regimen. After 7 days, the treatment was changed to narrow spectrum antibiotic administration if the disease was in remission, and the antibiotic regimen was adjusted based on bacterial culture and drug sensitivity results. The treatment results were compared. The mechanical ventilation rate, antibiotic courses, number of antibiotics used, and mortality of the observation group were significantly lower than those in the control group (P<0.05). After treatment, lung function improved, partial pressure of oxygen and blood oxygen saturation increased, and partial pressure of carbon dioxide decreased in both groups. The improvement of all of the above parameters were more significant in the observation group (P<0.05). After treatment, the ratio of neutrophils over white blood cells and C-reactive protein levels of the two groups decreased, respiratory failure index (RFI) increased, and the changes were significantly more pronounced in the observation group (P<0.05). In conclusion, following the antibiotic de-escalation principle to treat older patients with COPD complicated with severe pneumonia can reduce the number of antibiotics required, improve lung function and clinical effects, and is safe and effective.

Dataset Information

[Clinical characteristics and risk factors affecting outcomes of elderly patients with non-small cell lung cancer complicated by chronic obstructive pulmonary disease].

Publications

[Clinical characteristics and risk factors affecting outcomes of elderly patients with non-small cell lung cancer complicated by chronic obstructive pulmonary disease].

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