CO and particle pollution of indoor air in Beijing and its elemental analysis

Three representative types of houses in Beijing were selected and, in each type, smoking and nonsmoking households were compared, IP, RP, and CO concentrations in the living room and kitchen were monitored during each season, and the level of COHb in the heads of the households were measured. The study showed that indoor air pollution was rather severe, especially during winter, when particulate concentrations markedly exceeded the standard and CO concentration was as high as 47 ppm. Indoor air pollution was closely related to the type of house, particularly to the mode of heating. In houses, of the same type, pollution improved greatly after central heating facilities were installed. Analysis of 30 elements revealed that pollution was typically caused by coal burning, aggravated by dusty wind, but high indoor Pb levels were probably due to the use of LPG for cooking. In our study the effect of cigarette smoking was sometimes masked by the severe indoor pollution.     

Segmental fixation with U-shaped rod in the treatment of spondylolisthesis

Summary From 1987 to 1990 the authors treated 20 cases of spondylolisthesis by an improved operative procedure including excision of the medial part of the superior articular processes of the slipped vertebra, excision of the soft tissue between the ununited isthmi, and excision of the ligamentum flavum between the intervertebral space above the slipped segment. In some instances the lower portion of the lamina over the slipped vertebra should be resected. A U-shaped rod was used to hold sublaminar fixation of two segments above and below the slipped vertebra, with the slipped vertebra spared. Utilizing the U-shaped rod as support, bone strips were placed along the lateral and anterior sides of the rod to bridge the gap between the laminae of the displaced vertebra. Other bone grafts were focused on the facet joints. The patients were allowed ambulation early postoperatively. 19 cases could be evaluated at preliminary follow-up. All showed satisfactory results.     

胃癌腹腔脱落细胞检查及临床意义

腹膜转移是胃癌常见的转移形式。为在肉眼可见转移前发现亚临床的转移现象,自1981年3月至1982年4月,我们共对胃癌病人142例进行了腹腔脱落细胞检查及临床随诊,发现有腹腔脱落细胞阳性者76例(53.5％)。5年随诊结果发现,腹腔脱落细胞阳性者无一例生存>3年;而腹腔脱落细胞阴性的66例中生存5年者有11例。可见,腹腔脱落细胞检查,对胃癌的诊断,治疗和预后判断有一定价值。     

透刺法配合按摩治疗周围性面神经麻痹病人的临床观察及护理

周围性面神经麻痹称之面瘫，以口眼向一侧歪斜为主症，俗称口眼歪斜。本病如果治疗不及时或治疗不当，则久治不愈，给病人造成极大痛苦。若单用针刺治疗疗程较长，疗效不显著。我科在运用针灸按摩治疗本病的同时，对病人实施了针对性的全面的护理措施。现介绍如下。