高中生常见心理问题及对策

高中阶段是青少年身心发展的重要时期,是青少年思想品质、人生观、自我意识、情绪情感、个性、人格等形成的关键时期。处于这个时期的高中生,其心理的发展具有成熟和幼稚、独立和依赖、自觉和盲动等诸多矛盾并存的特点,易产生各种各样的心理和行为问题。近几年来,中学生的心理健康问题,已引起了全社会的关注,对高中生心理问题的研究也越来越多。大量调查研究证实:高中生心理问题的检出率在10%~30%之间[1],高中生心理健康问题不容忽视。1高中生常见心理问题1·1自我认知不正确自我认知是指正确客观的认识和评价自我,是自我意识的主要内容。心…     

上海市长宁区社区居民健康行为咨询点状况评估

目的了解社区居民健康行为咨询点现况,以进一步规范咨询点工作,为居民提供一流健康服务。方法采用资料法、现场观察法及问卷调查方法,对全区所有咨询点的硬件、软件配备情况、工作开展情况和规范程度以及咨询点服务对象对咨询点知晓情况、满意度进行综合评估。结果60.5%的咨询点工作完全达标;99.2%的居民知晓服务信息;97.8%的居民接受过咨询服务,居民对咨询点服务满意率达97.2%;分别有25.7%的咨询员、50.4%的居委干部、23.2%的居民提出增加服务时间、内容,改善服务条件等建议。结论调查对象对健康行为咨询点服务满意度逐年上升,但咨询点的整体服务水平还有待提高,特别在服务时间、服务内容以及服务条件等方面,还有待完善。     

Liver and lung resection for colorectal metastasis

Aim: To examine the survival benefit of liver and lung resection for colorectal metastasis and the potential prognostic factors that affect patient survival. Methods: All patients who had resection of lung or liver metastasis for colorectal metastasis in Queen Elizabeth Hospital, Hong Kong from 1995 to 2004 were retrospectively reviewed. The overall and disease‐free survival was analysed, in particularly between liver and lung metastasis. All factors that may have affected the survival were entered into Cox's proportional hazards regression model to identify significant variables associated with survival. Results: At 5 years, the overall survival of patients who had resection of lung and liver metastasis was 44% and 38%, respectively; the disease‐free survival was 26% and 24%, respectively. Overall and disease‐free survival of patients with resection of lung metastasis was comparable to those with resection of liver metastasis. The differentiations of primary tumour and time to metastasis were shown to be significant prognostic factors influencing overall survival. Those patients with systemic chemotherapy after resection of colorectal metastasis demonstrated a significantly higher probability of overall survival. Conclusion: Resection of lung and liver metastases from colorectal origin was safe and both procedures improved survival. The use of chemotherapy after resection of metastasis significantly improved the overall survival.     

妊娠高血压综合征尿蛋白的丢失对新生儿出生体重的影响

目的: 几乎没有研究报道妊娠高血压综合征 (妊高征 ) 患者尿蛋白对新生儿出生体重的影响, 该研究欲探讨妊高征患者不同水平尿蛋白对新生儿出生体重的影响关系。方法: 1997年 1月 ~2004年 6月期间, 住院分娩患中、重度妊高征产妇 136例, 对新生儿出生体重与各种因素进行回归分析及t检验分析。结果: 单变量回归分析尿蛋白、孕龄分别与新生儿出生体重有高度显著性关系 (P<0. 01); 尿蛋白和孕龄一起进入多元回归分析, 校正影响因素, 尿蛋白和孕龄仍然是影响新生儿出生体重显著性因素 (P<0 .01); 与妊高征尿蛋白 ( +) 比较, 尿蛋白 无显著性影响新生儿出生体重 (P>0. 05), 尿蛋白 有显著性影响新生儿出生体重 (P<0. 01)。结论: 新生儿出生体重与妊高征患者尿蛋白丢失有关, 尿蛋白 丢失将严重影响新生儿出生体重。     

骨性AngleⅡ类2分类错正畸治疗前后硬组织的变化

目的:采用直丝弓矫治器矫治成年患者骨性AngleⅡ类2分类错牙合,以研究正畸治疗前后牙、颌硬组织变化,评价正畸矫治效果。方法:本文选择了8例AngleⅡ类2分类错牙合成年患者,男3例,女5例,年龄19~27岁,平均23.6岁。拔除双侧上颌第一双尖牙,运用直丝弓矫治器进行治疗,拍摄治疗前后X线头颅定位侧位片,进行治疗前后的X线头影测量研究。结果:治疗后SNA角减小,ANB角减小,U1-SN角增大,L1-MP角增大,U1-L1角减小。上颌切牙牙根及上颌基骨明显腭向移动,减小了上颌骨突度;下颌切牙牙冠明显唇向倾斜,代偿了下颌骨后缩。结论:骨性AngleⅡ类2分类错牙合患者经过上颌拔牙矫治后,面形有所改善,取得了理想的矫治效果。     

Hematopoietic effects in mice exposed to arsine gas

Arsine gas is a potent hemolytic agent. Concern about semiconductor workers prompted an in-depth study of arsine at the National Institute of Environmental Health Sciences to determine the hematopoietic effects of prolonged exposure to this gas. Female B6C3F1 mice were exposed by inhalation to 0, 0.5, 2.5, and 5 ppm arsine, 6 hr/day for 14 days. Body weights of exposed mice were comparable to those of controls, but a marked, concentration-related splenomegaly was observed. Higher level arsine exposure produced statistically significant decreases in red blood cells, hematocrit and hemoglobin, with increases in white blood cell counts and mean corpuscular volume of red blood cells. Erythropoiesis as measured by quantitation of erythroid precursors in culture revealed a marrow reduction of colony-forming unit erythroids/femur cells for all treated groups on Day 3 postexposure and only at the 5 ppm dose group on 24 days postexposure, while splenic erythropoiesis increased at higher concentrations of arsine. There was no alteration in bone marrow cellularity and a less significant effect on granulocyte-macrophage progenitors. A 12-week study of arsine at 0, 0.025, 0.5, and 2.5 ppm (6 hr/day) by inhalation showed similar effects on hematopoiesis in mice. In conclusion, arsine exposure at low concentrations produces a stress on the hematopoietic system characterized by hemolysis, which persists for a prolonged period following exposure.     

Observations on pathological and histochemical changes in piglet livers infected with Taenia saginata asiatica

To study the pathological and histochemical characteristics of lesions in piglet livers infected with Taenia saginata asiatica (T. saginata asiatica) throughout the different stages, piglets were fed with eggs of T. saginata asiatica and raised in isolation in an animal center to establish the T. saginata asiatica infection model with normal piglets as control. The pathological changes in the piglet livers were observed after the infection using liver sections stained with hematoxylin and eosin. Histochemical methods were used to check the changes in lipid, glycogen and protein content in the liver. The data collected by image analysis were analyzed statistically with Statistical Package for the Social Science. The results show that T. saginata asiatica-exposed piglets were indeed infected. Inflammatory reactions began on the fourth day and progressed rapidly. Kupffer cell hyperplasia, hepatic hydropic degeneration and ballooning degeneration were found in the 10th–20th days after infection. Hepatic central veins and hepatic sinusoids were dilated and congested. Spotty necrosis occurred in some local liver tissues. In the 40th–60th days, granulomatous reactions and mild hepatocirrhosis were the main lesions. In the 70th–80th days, hepatocirrhosis and bile duct proliferation were observed in the liver. In the different stages, lipid drops were increased while glycogen and protein levels were decreased to some degree. There was a significant difference in metabolism between the infected group and the control group (P < 0.01). It is concluded that pigs are the favorable intermediate host of T. saginata asiatica and its infection can result in serious pathological and histochemical lesions in host organs. Translated from Journal of Guiyang Medical College, 2006, 31(4): 296–300 [译自: 贵阳医学院学报]     

葡立胶囊与抗骨增生胶囊联用治疗颈椎病的临床研究

目的 了解、观察葡立胶囊与抗骨增生胶囊联用治疗颈椎病对血清SOD含量及疼痛功能评分的影响。方法 对一组神经根型颈椎病患者，用葡立胶囊与抗骨增生胶囊联合应用治疗3个月，测定血清SOD含量及疼痛功能评分变化。结果 颈椎病患者治疗组血清SOD含量与治疗前相比明显升高，疼痛功能评分治疗前相比明显降低。结论 葡立胶囊与抗骨增生胶囊联合应用可明显缓解症状，提高血清SOD活力，延缓颈椎间盘退变，对治疗颈椎病有明显疗效。     

牙本质黏结剂增强根管倒充填材料密闭性能的实验研究

目的观察在使用MTA进行根尖倒封闭术时,牙本质粘结剂对其密闭抗微渗漏的影响.方法取40颗离体单根恒牙,分别用MTA、MTA 牙本质粘结剂进行根尖倒封闭术,用染料渗透法检测根尖微渗漏的情况.结果MTA 牙本质粘结剂组的根尖密闭效果明显优于单纯使用MTA组,其差别具有统计意义(P<0.05).结论在使用MTA进行根尖倒封闭术时,使用牙本质粘结剂可提高充填体的密闭效果.     

抗生素联合非那雄胺治疗血精症的临床观察

目的探讨及评价抗生素联合非那雄胺选择性治疗炎症性血精症的有效性。方法选择炎症性血精症50例,随机分2组;其中28例联合用药组采用抗生素联合非那雄胺治疗3个月,22例对照组仅用抗生素治疗3个月。结果联合用药组26例血精消失(26/28,92.9%),对照组15例血精消失(15/22,68.2%),两组比较差异有显著性。对照组中7例血精复发,加用非那雄胺治疗3个月后,5例血精消失(5/7,71.4%)。结论血精症主要是下尿路生殖道的炎症,尤其是精囊和前列腺炎引起,联合抗生素和非那雄胺治疗是治疗炎症性血精症的有效方法。