1Influence of emergency crisis management mode on emergency treatment efficacy and incidence of crisis eventsHUANG Xiaoxia, KOU FeiORIGINAL ARTICLES241-243,2472Effects of lyophilized recombinant human brain natriuretic peptide in emergency treatment of acute heart failureMENG LingguangORIGINAL ARTICLES244-2473Effects of laparoscopic repair in patients with acute gastric perforationWU LinORIGINAL ARTICLES248-249,2584The value of endoscopic ultrasonography in the application of upper digestive tract lesionsZHANG Cheng, QU Yawei, ZHANG Na, LIU HaifengORIGINAL ARTICLES250-2525Effects of bronchoalveolar lavage under fiberoptic bronchoscope combined with antibiotics injection on levels of inflammatory factors in elderly patients with severe pneumoniaZHOU Yafeng, CHEN Wenchong, LUO JianliORIGINAL ARTICLES253-2556Effects of diet nursing in prevention of hepatic encephalopathy after TIPSS surgeryYU HuiORIGINAL ARTICLES256-2587Effects of gliclazide combined with metformin in treatment of elderly patients with type 2 diabetes mellitusCHEN Wenming, ZHUO Ming, LI Weijie, GUO Shisheng, WEN HemingORIGINAL ARTICLES259-2628Imaging features and application value of magnetic resonance imaging in diagnosis of renal cancerPEI Lin, WU Zhiqing, YU DafeiORIGINAL ARTICLES263-2659Correlations between levels of NT-proBNP,UA,Hcy levels and cardiac function in heart failure patients with preserved ejection fractionZHANG Lan, ZHOU Bo, MAI Mingjie, TANG YunyunORIGINAL ARTICLES266-267,27110Introduction on the training framework of the international emergency medical team and its enlightenment to the training of China's emergency medical teamHU HaiMONOGRAPH268-271 