指按法动力学参数的量化测定与比较分析

目的:通过对不同组别人群指按法动力学参数的量化测定与比较分析,观察其操作是否具有一致性,为指按法的量化与规范化、临床教学提供一定的依据。方法:应用MFF多点薄膜压力测试系统,检测并记录3组不同推拿年限的操作者进行手法操作过程中的动态图形,并保存分析相应的参数数据。结果:3组指按法的平均作用力为本科生组轻度(5.99±2.47)N,中度(14.54±3.38)N,重度(23.57±6.31)N;研究生组轻度(12.60±2.08)N、中度(22.45±3.36)N、重度(36.43±5.07)N;教师组轻度(14.42±1.45)N、中度(28.81±2.77)N、重度(43.48±3.94)N。学生组每同一按压力度类型的比较中,同组男生的平均作用力要大于同组的女生;研究生组男生的平均作用力要大于本科生组的男生;研究生组女生的平均作用力要大于本科生组的女生。结论:利用MFF多点薄膜压力测试系统,可以体现出不同组别对指按法的操作具有不一致性,相对而言教师组的个体差异较小,力量把握较平稳、持久,对轻、中和重力度的把握更加准确。     

密穗马先蒿对耐力运动小鼠红细胞参数、抗氧化和免疫功能的影响

目的:研究密穗马先蒿对耐力运动小鼠红细胞形态参数、红细胞抗氧化和免疫黏附功能的影响。方法:4周龄昆明种小鼠随机分为对照组、运动组、阳性对照组、密穗马先蒿组。运动组、阳性对照组和密穗马先蒿组进行6周的游泳训练,最后一次进行力竭游泳。力竭游泳后采用眼球取血,EDTA抗凝,测定红细胞参数、红细胞抗氧化功能及红细胞免疫黏附功能等指标。结果:实验6周后,密穗马先蒿组小鼠RBC、Hb、HCT、RBC-SOD活性和RBC-C3bR明显高于运动组(P<0.05),而MCV、RDW、RBC-ICR和RBC-MDA含量低于运动组(P<0.05)。结论:密穗马先蒿具有改善耐力运动引起的小鼠红细胞的损伤,保护小鼠红细胞的完整性,提高耐力运动小鼠红细胞的抗氧化能力和免疫功能等作用。     

针刺小鼠安全刺激量探析

小鼠实验是研究针刺作用机制的主要方式,文章从针刺小鼠安全刺激量入手,探讨针刺过程中如何保障小鼠的生命安全。总结分析了针具、选穴、针刺量学参数、得气等与安全刺激量之间的关系。探讨量学研究的主流观点及对实验的指导意义,强调开展针刺小鼠安全刺激量研究的必要性,减少实验动物无谓的牺牲,科学、合理、人道地使用实验动物。     

Sperm ubiquitination and DNA fragmentation in men with occupational exposure and varicocele

Assessment of sperm ubiquitination and DNA fragmentation as sperm functional markers are proposed to complement routine semen analysis. This study focuses on the evaluation of these markers in infertile men with varicocele or exposed to occupational background. The results were compared with normozoospermic men. Semen parameters in both groups were lower than those in the control group. Ubiquitination median, as a marker for functionality of the ubiquitin–proteasome system, was also lower in both groups. The ubiquitination median showed a significant positive correlation with motility in both groups, while it showed only a negative correlation with sperm morphology in the varicocele group. DNA fragmentation showed a significant correlation with semen parameters, in total varicocele and also total exposure groups. In conclusion, significant difference of sperm ubiquitination between normal and study groups further validates that sperm ubiquitination as a potential molecular marker for sperm evaluation in addition to routine semen analysis in clinical laboratories.     

Antioxidant effect of manganese on the testis structure and sperm parameters of formalin‐treated mice

Manganese inhibits oxidative stress damage. The aim of this study was to investigate the protective role of manganese on testis structure and sperm parameters in adult mice exposed to formaldehyde (FA). Twenty adult male NMRI mice were selected and randomly divided into four groups: (i) control; (ii) sham; (iii) ‘FA’‐exposed group; and (iv) ‘FA and manganese chloride’‐exposed group. The FA‐exposed groups received 10 mg kg^?1 FA daily for 14 days, and manganese chloride was just injected intraperitoneally 5 mg kg^?1 on 2nd weeks. Mice were sacrificed, and spermatozoa were collected from the cauda of the right epididymis and analysed for count, motility, morphology and viability. The other testicular tissues were weighed and prepared for histological examination upon removal. Seminiferous tubules, lumen diameters and epithelium thickness were also measured. The findings revealed that FA significantly reduced the testicular weight, sperm count, motility, viability and normal morphology compared with control group (P ≤ 0.05). In addition, seminiferous tubules atrophied and seminiferous epithelial cells disintegrated in the FA group in comparison with the control group (P ≤ 0.05). However, manganese improved the testicular structure and sperm parameters in FA‐treated mice testes (P ≤ 0.05). According to the results, manganese may improve and protect mice epididymal sperm parameters and testis structure treated with FA respectively.     

影响术后机械通气患者撤机的相关参数分析

目的：探讨影响术后机械通气患者呼吸机撤离的相关参数,寻找具有预测价值的指标,为指导临床撤机时机提供依据。方法：选择术后机械通气后准备撤机的患者68例,记录撤机开始时的血流动力学指标,包括心率（HR）、收缩压（SBP）、舒张压（DBP）、平均动脉压（MAP）;呼吸力学指标,包括呼吸频率（RR）、潮气量（VT）、分钟通气量（MV）、浅快呼吸指数（RSBI）、肺顺应性（Crs）、气道峰压（Ppeak）、气道闭合压（P0.1）;血气分析指标,包括血乳酸浓度（lac）、动脉血pH值（pHa）、动脉血氧分压（PaO2）、动脉血二氧化碳分压（PaCO2）、动脉血氧饱和度（SaO2）,并计算氧合指数（PaO2/FiO2）;胃黏膜酸度包括胃黏膜pH值（pHi）、胃黏膜二氧化碳分压（PgCO2）。低水平（5-8 cmH2O）压力支持通气下行60 min自主呼吸实验,按撤机结果分为撤机成功组和撤机失败组。应用SPSS12.0软件包对数据进行统计学分析,采用χ2检验和t检验筛选与撤机有关的阳性指标,采用Logistic回归分析阳性指标中与撤机相关的参数。结果：68例术后机械通气患者完成了本实验,其中撤机成功患者42例,撤机成功率为61.8%。单因素分析表明,RR、VT、RSBI、Ppeak、pHi、PgCO2是与撤机有关的阳性指标（P〈0.05）。Logistic多因素回归分析表明,RSBI、P0.1、pHi是影响撤机的相关参数（P〈0.05）。结论：RR、VT、RSBI、Ppeak、pHi、PgCO2是与撤机有关的阳性指标,而RSBI、P0.1、pHi是影响撤机的相关参数。     

Prognostic value of the activated partial thromboplastin time after orthotopic liver transplantation

Summary In this prospective study, we evaluated the predictive value of activated partial thromboplastin time on day 8 post transplantation for event-free survival in patients who had had orthotopic liver transplants; both death and retransplantation within 6 months were the events considered. In a 4-year period, 109 patients had orthotopic liver transplants in our hospital, and 104 were eligible for the study since they survived and were not given new transplants within 8 days. The activated partial thromboplastin time was significantly longer in patients who survived event-free for less than 6 months than in those with longer event-free survivals. Kaplan-Meier curves showed that patients with normal activated partial thromboplastin times were nine times more likely to survive more than 6 months without events than patients with prolonged values. The positive predictive value of activated partial thromboplastin time for event-free survival was 88% and the negative predictive value was 54%, indicating that the test is useful for predicting patient outcome. We suggest that activated partial thromboplastin time be performed on day 8 post transplantation to predict the medium-term event-free survival.     

50例肺癌患者中西医结合治疗后舌脉象参数的变化

目的:观察肺癌患者中西医结合治疗后其舌脉象参数变化情况,探讨舌脉象参数变化在肺癌患者中西医结合治疗过程中的临床意义。方法:于2015年1月至2016年4月,选取该阶段内我院采取中西医结合疗法治疗的50例肺癌患者作为此次研究的对象,分别于治疗前、治疗后1个月、治疗后2个月,采用舌脉象数字化分析仪对肺癌患者的舌象图片和关部脉图进行检测,比较治疗前、治疗后1个月、治疗后2个月患者的舌象参数、脉象参数。结果:与治疗前相比,治疗后1个月、治疗后2个月肺癌患者脉象参数中的PSR1明显增高(P0.05),PSR2明显降低(P0.05);与治疗后1个月相比,治疗后2个月肺癌患者脉象参数中的PSR1明显降低(P0.05),PSR2、PSR3均明显增高(P0.05);治疗前与治疗后相比,肺癌患者的脉象参数CSR1、CSR2、CSR3均未出现明显改变(P0.05)。与治疗前相比,治疗后1个月肺癌患者的舌象润燥指数、腐腻指数、裂纹指数均明显增高(P0.05),厚薄指数明显降低(P0.05);与治疗后1个月相比,治疗后2个月肺癌患者的裂纹指数明显降低(P0.05),厚薄指数明显增高(P0.05),润燥指数和腐腻指数未发生明显改变(P0.05)。结论:在肺癌患者采用中西医结合疗法治疗的过程中,舌脉象参数的变化可有效反映肺癌患者的中西医结合治疗效果,可作为中西医结合治疗肺癌的疗效评估指标。