两种骨龄标准推断女性14岁年龄的准确度

目的研究李果珍百分计数法和中国人手腕骨发育标准CHN法在推断女性14岁年龄时的准确度。方法在湖南娄底三所中学随机选择51名14岁女生,同一条件下拍摄左手腕X线片;按照上述两种方法由专业人员阅片;对比两种方法所得结果及其与真实年龄间的差异。结果计数法和CHN法测得的骨龄与研究对象的实际年龄间无显著性差异(P>0.05),两种方法比较也未见明显差异(P>0.05)。结论计数法和CNH法可用于湖南地区女性14岁年龄的推断。     

147例凶杀案的法医学分析

通过对上海地区中147例凶杀案尸检的分析,从案件情况、现场勘察及尸体检验等方面进行归纳,总结了此类案件的共同特点,以期为凶杀命案的检验、侦破提供参考。     

Heat stroke deaths caused by electric blankets: case report and review of the literature

Heat stroke is the most serious and potentially life-threatening condition of the heat-related illnesses. Heat stroke deaths caused by electric blanket are rarely reported. In this paper, we report 2 cases of fatal heat stroke caused by overheating from electric blankets in winter. One was a 41-year-old man who was found unresponsive in bed on an electric blanket. His wife shared the same bed with him and was found unconscious. The wife's axillary temperature was 40 degrees C (104 degrees C) when she was admitted to the hospital. She fully recovered after medical treatment. The husband was pronounced dead at scene, with rectal temperature at 41.2 degrees C (106.2 degrees C). The other was a 13-year-old girl who was found dead in bed on an electric blanket, with rectal temperature at 41 degrees C (105.8 degrees F). The literature is reviewed, and the pertinent findings, including scene investigations, postmortem examination, the risk and mechanism of fatal heat stroke caused by using electric blanket, are discussed.     

人脑挫伤后HSP70和iNOS表达研究

目的探讨人脑挫伤后不同时间内HSP70和iNOS表达的变化关系。方法应用免疫组织化学染色观察35例人脑挫伤组织HSP70和iNOS表达的变化规律。结果HSP70阳性细胞在即刻死亡组表达强度最大,伤后急剧下降,至24h达最低,以后逐渐恢复。iNOS阳性细胞表达强度在伤后48h升高至最大,以后逐渐下降,在伤后11d仍有弱表达。结论HSP70和iNOS免疫组化染色可以作为推断人脑挫伤经过时间的有效指标。     

精神病犯服刑能力评定量表研究

目的制订符合中国法律体系的精神病犯服刑能力评定量表。方法根据鉴定实践,结合中国法律,研究者首先创建了称为“精神病犯服刑能力评定量表”的评定工具,然后再回顾性运用该工具,通过诊断性实验,对该工具的信度、效度及实用性进行了检验。结果该量表同质性信度为0.8779,量表评定与专家评定一致性为0.909,除了阴性似然比为0.0683,其他诊断性指标均大于0.80。结论精神病犯服刑能力评定量表具有较好的实用性。     

Analysis of 15 STR loci in Chinese population from Sichuan in West China

Allele frequencies for 15 STR loci found in PowerPlex 16 System kit were determined in a sample of 200 unrelated individuals living in Sichuan area in west China. The values of observed heterozygosity (Ho), power of discrimination (PD), probability of paternity exclusion (PE) and polymorphism information content (PIC) were calculated. All loci were in accordance with Hardy-Weinberg equilibrium (p<0.05). The obtained frequency distributions were compared with other previously reported population data.     

小鼠皮肤切创愈合过程中磷酸化 p38MAPK 表达及其与时间的相关性

目的探讨小鼠皮肤切创愈合过程中损伤区磷酸化p38MAPK(p-p38MAPK)的表达情况,以及不同损伤时间p-p38MAPK的变化规律。方法应用免疫组织化学和Westernblot的方法检测33例小鼠皮肤切创后各个时间段p-p38MAPK表达情况。结果正常组织中有少量的p-p38MAPK表达。伤后3～12h损伤区p-p38MAPK主要表达于中性粒细胞中,1～5dp-p38MAPK阳性表达主要为单核细胞和成纤维细胞。7～14dp-p38MAPK阳性表达主要以成纤维细胞为主。阳性细胞率3～12h逐渐升高,1d有所下降,3、5d阳性细胞率保持在高水平,7～14d阳性细胞率逐渐降低。Westernblot显示各个时间段均有p-p38MAPK的表达。其中12h和3d为2个p-p38MAPK含量的高峰。结论在小鼠切创愈合过程中p-p38MAPK在损伤区对诱导中性粒细胞、单核细胞和成纤维细胞的凋亡起重要的作用,同时p-p38MAPK的规律性表达可用于损伤时间的推断。     

重型颅脑损伤患者P300与智商的相关性

目的研究重型颅脑损伤患者认知功能的改变以及事件相关电位(event-related potential,ERP)中的P300成分与智商的关系。方法对40例重型颅脑损伤患者进行听觉P300检查并用中国修订韦氏成人智力全量表测定智商,另外用40例正常成年人作为对照组也进行P300的检查。结果病例组P300潜伏期较正常组明显延长(P<0.01),病例组P300的潜伏期与操作智商和总智商之间呈显著负相关(r=-0.335、-0.344,均P<0.05)。结论ERP是测定重型颅脑损伤患者认知功能变化的一项客观指标。