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Acquired respiratory-digestive tract fistulas occur with abnormal communication between the airways and digestive tract, causing the interflow of gas and liquid. Despite advances in surgical methods and the development of multimodal therapy in recent years, patients with acquired respiratory-digestive tract fistulas continue to exhibit unfavorable clinical outcomes. Therefore, in order to guide clinical practice in China, the Respiratory and Cancer Intervention Alliance of the Beijing Health Promotion Association organized a group of experienced experts in the field to develop this consensus document. Based on a study of clinical application and expert experience in the diagnosis and management of acquired respiratory-digestive tract fistulas at home and abroad, an Expert Consensus was developed. The panelists recruited comprised experts in pulmonology, oncology, thoracic surgery, interventional radiology, and gastroenterology. PubMed, Chinese Biology Abstract, Chinese Academic Journal, and Wanfang databases were used to identify relevant articles. The guidelines address etiology, classification, pathogenesis, diagnosis and management of acquired respiratory-digestive tract fistulas. The statements on treatment focus on the indications for different procedures, technical aspects, and preprocedural, post-procedural and complication management. The proposed guidelines for the diagnosis and management of acquired respiratory-digestive tract fistulas are the first to be published by Chinese experts. These guidelines provide an in-depth review of the current evidence and standard of diagnosis and management.

Xixin Yan,1 Yuanlin Song,2,3 Ce Shen,4 Wenbing Xu,5 Liangan Chen,6 Jian Zhang,7 Huiguo Liu,8 Mao Huang,9 Guoxiang Lai,10 Guishen Qian,11 Jing Wang,12 Xianwei Ye,13 Jinping Zheng,14 Chunxue Bai21Department of Pulmonary and Critical Care Medicine, Second Hospital Affiliated to Hebei Medical University, Hebei, 2Department of Pulmonary Medicine, Zhongshan Hospital, Fudan University, 3Shanghai Respiratory Research Institute, 4Department of Pulmonary Medicine, Shanghai 6th People’s Hospital, Jiaotong University, 5Department of Respiratory Disease, Peking Union Hospital, Beijing, 6Department of Pulmonary and Critical Care Medicine, Beijing 301 Military Hospital, Beijing, 7Department of Pulmonary Medicine, Xijing Hospital, The Affiliated Hospital of Fourth Military Medical University, 8Department of Respiratory and Critical Care Medicine, Tongji Hospital, Huazhong University of Science and Technology, Wuhan, 9Department of Pulmonary Medicine, Jiangsu Province Hospital, First Affiliated Hospital of Nanjing Medical University, Nanjing, 10Department of Pulmonary and Critical Care Medicine, General Hospital of Fuzhou Military Region, Fuzhou, 11Department of Respiratory Medicine, Xinqiao Hospital, Third Military Medical University, Chongqing, 12Department of Respiratory Medicine, First Hospital Affiliated to Zhengzhou University, Zhengzhou, 13Department of Respiratory Medicine, People’s Hospital of Guizhou Province, Guizhou, 14Guangzhou Institute of Respiratory Disease, First Affiliated Hospital of Guangzhou Medical University, Guangzhou, People’s Republic ofChinaAbstract: Airway mucus hypersecretion is a frequent symptom associated with acute and chronic airway disease. Inhibition of mucus production or promotion of mucolysis not only relieved symptoms but also improved disease outcomes. There are numerous available mucoactive medicines for prescription, and how to select them properly for different diseases is important for clinical practice. So far, there is no one consensus or guideline reported. A group of Chinese pulmonary physicians worked together to complete this consensus based on literature review, summarized mechanism and usage of each classical mucoactive medicine. In general, antioxidant mucoactive medicines play an important role in chronic airway disease, including but not limited to airway mucus clearance, reduced acute exacerbation and improved pulmonary function.Keywords: sputum, chronic bronchitis, mucolysis

There are controversies on the association between interleukin-13 (IL-13) +1923C/T polymorphism (rs1295686) and the risk of asthma. We performed this study to assess the association by the method of meta-analysis. A systematic search current to October 16, 2012, was conducted using PubMed, EMBASE, and China National Knowledge Infrastructure (CNKI) and identified ten studies comprising 13698 cases and 38209 controls. The pooled odds ratios (ORs) with 95% confidence intervals (CIs) were calculated. There was a significant association between IL-13 +1923C/T polymorphism and asthma risk in codominant model. When stratified by ethnicity, IL-13 +1923C/T polymorphism remained significantly associated with higher asthma risk in Asians and Caucasians. In the subgroup analysis by study quality, a significantly increased asthma risk was observed in high quality studies. Sensitivity analysis and cumulative analysis further strengthened the validity of the results. No publication bias was found in this meta-analysis. In conclusion, results from this meta-analysis suggested that IL-13 +1923C/T polymorphism was a risk factor of asthma.