[Discussion on the use of occupational contraindication cardiovascular disease in Technical Specifications for Occupational Health Surveillance (GBZ 188-2014)].

Technical Specifications for Occupational Health Surveillance (GBZ 188-2014) has played an important role in screening occupational contraindications and preventing occupational diseases since its implementation. However, during the use of occupational health examination, we found that the use of occupational contraindication on cardiovascular disease was not "homogenized" due to the differences in the understanding of various physical examination institutions. Therefore, this paper mainly discussed the connotation and quantitative standards of organic heart disease, arrhythmia, hypertension in the occupational contraindication cardiovascular disease in the specification for "homogenization".

[Large communicated intra- and extramural tumors: report of 5 cases].

Five cases of large communicated intra- and extramural cranial tumors in more than 3 anatomic cavities were subjected to total tumor removal under general anesthesia. All patients recovered uneventfully after operation without complications and sequelae. The operational procedures and curative effects are discussed.