右美托咪定对脑缺血再灌注损伤大鼠大脑皮质Wnt/β-catenin蛋白表达的影响

目的 观察右美托咪定对脑缺血再灌注损伤大鼠大脑皮质Wnt/β-catenin 蛋白表达的影响。方法 将48 只雄性SD 大鼠按随机区组的原则分为三组：对照组、模型组和右美托咪定组,每组各16 只。采用大脑中动脉阻塞（Middle cerebral artery occlusion,MCAO）法制造大鼠脑缺血再灌注损伤模型。右美托咪定组于缺血1 h 即刻经尾静脉注射1 μg/kg 右美托咪定作为负荷剂量,持续10 min,随后以0.5 μg/（kg·h）的速率静脉输注至脑缺血2 h。对照组和模型组大鼠按相同方法给予生理盐水。再灌注24 h 时进行神经功能评分后处死大鼠取出脑组织,各组取8 只大鼠脑组织行TTC 染色法测定脑梗死体积,另8 只大鼠采用Western blot 法检测大脑皮质β-catenin 蛋白表达量。结果 与对照组相比,模型组大鼠神经行为学评分明显增加[（3.00±0.82） vs （0±0）,P＜0.05]、脑梗死体积明显增加[（64.23±6.72）% vs （0±0）%,P＜0.05],β-catenin 蛋白表达量明显减少（0.46±0.14 vs 1.12±0.23,P＜0.05）。与模型组相比,右美托咪定组大鼠神经行为学评分（1.69±0.71 vs 3.00±0.82,P＜0.05）、脑梗死体积明显减少[（45.13±8.29）% vs （64.23±6.72）%,P＜0.05],β-catenin 蛋白表达量明显增加[（0.82±0.23） vs （0.46±0.14）,P＜0.05]。结论 右美托咪定能减轻大鼠脑缺血再灌注损伤,其机制可能与增加大脑皮质中β-catenin 蛋白表达量有关。     

不同时机电针阿是穴对腓肠肌钝挫伤大鼠腓肠肌高频超声成像评分和血清肌酸激酶的影响研究

背景　阿是穴是针灸治疗骨骼肌损伤的常用穴位。然而,其在急性骨骼肌损伤后的干预时机尚未有相关报道。目的　观察不同时机电针阿是穴对腓肠肌钝挫伤大鼠腓肠肌高频超声成像评分、血清肌酸激酶（CK）水平的影响。方法　2017年9月,将清洁级健康成年雄性SD大鼠60只随机分为空白组（n=6）、模型组（n=18）、24 h电针组（n=18）、72 h电针组（n=18）。除空白组外,模型组、24 h电针组、72 h电针组均参照本课题组前期研究的方法建立腓肠肌急性钝挫伤模型,并采用超声成像技术进行评定。由于动物无言语表达能力,研究中阿是穴的选取以局部病灶（即腓肠肌肌腹的中点,辅以超声进行病灶定位）作为针刺部位。除空白组外,各组造模后3、5、7 d分别抓取不同的6只大鼠进行以下操作：24 h电针组在钝挫伤后24 h进行1次针刺治疗,72 h电针组在钝挫伤后72 h进行1次针刺治疗。模型组与2个电针组同步抓取与固定,但不做电针干预。空白组不做任何处理。记录各组大鼠造模后3、5、7 d超声分级评分表评分。评分后处死,记录各组大鼠造模后3、5、7 d血清CK水平。结果　模型组、24 h电针组、72 h电针组大鼠造模后即刻、3、5、7 d超声分级评分表评分比较,差异均无统计学意义（P>0.05）。造模后3 d、24 h电针组大鼠不同时间点造模后即刻超声分级评分表评分与干预后超声分级评分表评分差值大于模型组、72 h电针组（P<0.05）。模型组大鼠造模后3、5、7 d血清CK水平均高于空白组（P<0.05）;24 h电针组大鼠造模后5、7 d血清CK水平均高于空白组（P<0.05）;72 h电针组大鼠造模后3 d血清CK水平低于模型组,5、7 d血清CK水平均高于空白组（P<0.05）。结论　电针阿是穴能有效促进大鼠腓肠肌钝挫伤后的组织修复,损伤后24 h电针阿是穴治疗能较早地促进组织修复。     

溪黄草有效成分Nodosin保留灌注对供肝缺血期的保护作用

目的：研究肝脏保留灌注中药有效成分Nodosin对大鼠供肝缺血期的保护作用和作用机制。方法：将实验雄性Wistar大鼠随机分为6组(n=3)：空白对照组(乳酸钠林格氏液LR组)、实验组(低浓度NL组、中浓度NM组、高浓度NH组)和阳性对照组(Copp组)、阴性对照组(Znpp组)。实验动物经门静脉灌注实验药物,于灌注后0h、1h、2h时相点取肝脏组织标本,用比色法测定肝脏SOD酶活性和MDA含量,Banff标准评价损伤的病理表现,胆红素生成试验测定HO-1酶活性。结果：实验组高浓度NH组和阳性对照组(Co组)肝脏保留灌注2h后,MDA含量（NH-2h vs LR-2h, 12.80±1.54 vs 23.50±1.92 nmol/ml）和Banff评分（NH-2h vs LR-2h,1.33±0.58 vs 2.67±0.58）明显低于空白对照组(LR组) (p<0.05),SOD酶活性（NH-2h vs LR-2h,561.71±38.21 vs 335.62±15.32 UN/ml）和HO-1酶活性（NH-2h vs LR-2h,85±1.8 vs 72±1.9nmol/(h×L)）明显高于空白对照组(LR组) (p<0.05);阴性对照组(Zn组) 肝脏保留灌注2h后,MDA含量（Zn-2h vs LR-2h,30.33±2.87 vs 23.50±1.92 nmol/ml）明显高于空白对照组(LR组) (p<0.05),SOD酶活性（Zn-2h vs LR-2h,301.21±13.23 vs 335.62±15.32 UN/ml）和HO-1酶活性（Zn-2h vs LR-2h,60±2.7 vs 72±1.9nmol/(h×L)）明显低于空白对照组(LR组) (p<0.05)。结论：保留灌注中药有效成分Nodosin可以提高大鼠供肝抗氧化能力,减轻肝脏组织缺血期损伤,其作用可能是通过诱导肝脏组织HO-1酶表达上调来实现的。     

低强度聚焦超声促进SD大鼠慢性骨骼肌损伤修复

目的：探讨低强度聚焦超声（low intensity focused ultrasound,LIFU）对大鼠慢性骨骼肌损伤的修复作用。方法：用重力打击器构建大鼠慢性骨骼肌损伤模型,构建成功后模型分为超声组和对照组,超声组采用LIFU每天1次,连续辐照患处14 d,对照组假治疗。2组分别于治疗第3、10、21天取损伤区域组织,采用苏木精-伊红（hematoxylin and eosin,HE）染色法观察组织变化,免疫组化定量生肌决定因子（Myf-5）和辅肌动蛋白（α-actinin）表达强度并使用图像分析软件进行平均光密度（average opti－cal density,AOD）分析,实时荧光定量多聚酶链反应（real-time quantitative polymerase chain reaction,qRT-PCR）分析肌分化因子（MyoD）mRNA表达水平,对组织修复情况进行评价。结果：HE染色图片提示超声组坏死肌纤维逐渐被新生排列整齐肌纤维取代;对照组纤维组织形成,炎症细胞浸润,肌纤维萎缩明显。治疗开始的第3、10、21天,超声组α-actinin（3 d=0.270±0.026,t=2.963,P=0.018;10 d=0.244±0.011,t=2.865,P=0.027;21 d=0.222±0.031,t=1.073,P=0.317）、Myf-5（3 d=0.291±0.050,t=2.691,P=0.027;10 d=0.246±0.015,t=2.726,P=0.032;21 d=0.166±0.021,t=0.369,P=0.722）、MyoD mRNA（3 d=5.613±0.379,t=4.679,P=0.002;10 d=3.276±0.261,t=2.377,P=0.048;21 d=1.810±0.200,t=0.634,P=0.546）的表达均高于对照组α-actinin（3 d=0.234±0.008;10 d=0.214±0.020;21 d=0.203±0.023）、Myf-5（3 d=0.225±0.023;10 d=0.211±0.025;21 d=0.161±0.016）、MyoD mRNA（3 d=4.465±0.397;10 d=2.807±0.356;21 d=1.712±0.280）,且在第3、10天差异有统计学意义（P<0.05）。结论：LIFU能促进大鼠慢性骨骼肌损伤再生修复,改善组织结构。     

黄芩苷对惊厥持续状态幼年大鼠海马IL-lβ、NF-κB表达的影响

目的观察幼年大鼠惊厥持续状态（SC）后海马CA1区神经细胞凋亡以及IL-1β和NF-κB蛋白、MicroRNA表达变化,并了解黄芩苷（BC）对其影响。方法将195只19d龄SD雄性大鼠随机分成生理盐水对照组（NS组）、惊厥持续状态组（SC组）和黄芩苷预处理组（BC组）,每组65只;各组按处死时间点随机分为4、12、24、48和72h组。采用氯化锂-匹鲁卡品化学点燃法制备幼年大鼠SC模型;采用免疫组化法检测大鼠海马中IL-lβ、NF-κB蛋白表达,RT-PCR法检测NF-κBMicroRNA表达,TUNEL法检测神经细胞凋亡数。结果IL-lβ：与NS组（12、24、48和72h分别为11.47±2.51、12.49±2.58、13.19±2.39和12.79±5.30）比较,SC组（12、24、48和72h分别为29.38±5.18、40.09±5.16、35.32±6.59和27.98±4.16）表达增强（均P＜0.01）;与SC组比较,BC组（12、24和48h组分别为21.19±4.54、29.78±4.39和25.91±5.64）表达降低（均P＜0.05）。NF-κB：与NS组（4、12、24、48和72h组分别为45.76±15.41、41.26±6.28、50.61±12.54、51.72±6.52和52.65±7.65）比较,SC组（4、12、24、48和72h组分别为64.06±6.18、71.16±6.49、79.34±11.76、67.07±6.58和65.12±9.66）表达增强（均P＜0.05）;与SC组比较,BC组（4、12和24h组分别为52.65±5.73、56.68±5.37和67.01±9.08）表达降低（均P＜0.05）。NF-κBMicroRNA表达与蛋白表达相似。SC组在惊厥后12h海马CA1区神经细胞凋亡数为（11.38±2.35）个,高于NS组的（6.19±1.48）个（P＜0.01）,48h达到高峰（28.28±5.17）个;BC组在12、24、48和72h时神经细胞凋亡数分别为（8.96±2.21）、（13.07±2.47）、（20.51±4.39）和（17.36±4.12）个,均低于SC组（均P＜0.05）,但高于NS组（6.19±1.48）、（6.59±1.66）、（6.79±1.15）和（6.31±1.47）个（均P＜0.05）。结论幼年大鼠SC后海马CA1区IL-1β和NF-κB表达增强,神经细胞凋亡增加;BC预处理能抑制早期IL-1β和NF-κB蛋白、MicroRNA表达,减少神经细胞凋亡,对幼年鼠SC后脑损伤具有一定的保护作用。     

高危OPCAB患者术前预防性置入IABP的效果分析

目的：研究中国冠状动脉旁路移植手术风险评估系统（SinoSCORE）评分高危患者（SinoSCORE≥6分）在行非体外循环冠状动脉旁路移植术（OPCAB）术前预防性置入主动脉内球囊反搏（IABP）的临床效果。方法：纳入本中心行OPCAB术且SinoSCORE≥6分置入IABP的患者30例,其中术前预置入IABP患者15例（A组）,术中及术后紧急置入IABP患者15例（B组）;分析两组患者术后并发症、临床指标、住院30 d病死率。两组患者随访时间均＞3个月并比较其预后。结果：与B组比较,A组术后IABP使用时间[（78.66±28.83）h vs. （207.80±132.92）h]、呼吸机辅助时间[（36.86±35.13）h vs. （144.13±180.25）h]、正性肌力药物辅助时间[（119.86±42.73）h vs. （296.66±191.84）h]、ICU监护时间[（69.06±42.90）h vs. （250.93±232.84）h]、术后住院时间[（10.73±2.49）d vs. （20.40±17.26）d]均短,住院总费用较少[（201 321.29±37 240.54）元] vs. （271 071.89±105 901.14）元],术后并发症发生率较低[（13.3% vs. 60.0%）],差异均有统计学意义（P<0.05）;而两组搭桥支数[（3.86±0.91）支 vs. （4.26±0.96）支]、术后引流量[（1 141.33±448.12）mL vs. （1 433.33±802.70）mL]无差别,住院30d病死率无明显差异（6.7% vs. 20.0%）。结论：SinoSCORE评分高危患者行OPCAB术前预防性置入IABP获益更多。     

丹红注射液对老龄大鼠麻醉术后早期 认知功能障碍的影响

目的 探讨丹红注射液对老龄大鼠麻醉术后早期认知功能障碍的影响。方法 选取30只SPF级、健康、老龄、雄性SD大鼠,采用随机区组法随机分为对照组、术后认知功能障碍（post operative cognitive dysfunction,POCD）组和实验组,每组各10只。POCD组和实验组大鼠通过探查腹腔脏器的方法建立POCD模型,实验组大鼠于手术结束前30min及术后第1、2天分别予2ml/kg丹红注射液（Danhong injection,DHI）,POCD组大鼠在相同时间点予相同剂量的生理盐水,对照组不进行手术,但在相同时间点予相同剂量的生理盐水。采用Morris水迷宫实验评价大鼠的认知功能;采用酶联免疫吸附试验（enzyme–linked immunoadsordent assay,ELISA）检测血清S–100β蛋白、神经元特异性烯醇化酶（neuron specific enolase,NSE）、肿瘤坏死因子–α（tumor necrosis factor–α,TNF–α）、白细胞介素–6（interleukin–6,IL–6）和白细胞介素–1β（interleukin–1β,IL–1β）水平。结果 DHI能够缩短POCD大鼠的逃逸潜伏期,增加穿越平台次数,提高POCD大鼠的学习记忆能力;同时不同实验组S–100β蛋白水平[术后6h（1.05±0.03）、术后24h（0.98±0.15）、术后48h（0.79±0.05）]较POCD组[（术后6h（1.39±0.22）、术后24h（1.24±0.13）、术后48h（1.19±0.15）]降低,实验组NSE水平[术后6h（15.71±5.12）、术后24h（13.35±4.64）、术后48h（12.59±4.22）]低于POCD组[术后6h（25.49±4.82）、术后24h（20.71±5.12）、术后48h（18.43±3.72）];POCD组中TNF–α（112.6±16.7）、IL–6（39.6±6.5）、IL–1β（39.5±6.7）水平均较实验组TNF–α（71.2±15.3）、IL–6（30.4±5.6）、IL–1β（23.0±5.6）高。结论 DHI能够提高POCD大鼠的学习记忆能力,减轻POCD大鼠的神经系统损伤及POCD导致的炎性反应,改善老龄大鼠麻醉术后早期认知功能障碍。     

脂质体介导胶质细胞生长因子2基因治疗颅脑损伤的实验研究

目的探讨胶质细胞生长因子2(GGF2)对大鼠液压打击颅脑损伤的神经保护作用。方法采用侧方液压打击装置制备大鼠颅脑损伤模型。将 pEGFP-N1-GGF2表达质粒或 pEGFP-N1载体质粒与阳离子脂质体混合后,脑内直接注射转染大鼠脑组织。将34大鼠随机分为4组,分别为治疗组(pEGFP-N1-GGF2+脂质体,n=10)、载体对照组(pEGFP-N1载体+脂质体,n=10)、脂质体对照组(脂质体,n=10)和假手术组(n=4)。伤后连续观察爬坡、平衡和行走试验,于伤后第10天处死大鼠取脑组织,进行 HE、尼氏及 MBP、NSE、GFAP 免疫组化染色。结果伤后第5d,治疗组大鼠行为学指标的恢复优于载体对照组和脂质体对照组[爬坡试验(角度):66.25±3.54 vs 58.31±3.72、57.21±3.93,P<0.05;平衡试验(评分):2.59±0.21 vs 3.41±0.25、3.24±0.22,P<0.05;行走试验(s):20.15±2.59 vs 27.00±3.47、27.80±3.00,P<0.05],以行走实验改善最为明显。伤后第10天,治疗组大鼠的皮层、海马神经元计数多于载体对照组和脂质体对照组(皮层外颗粒和外锥体层:98±10 vs 75±7、67±8,P<0.05;皮层内锥体层:37±4 vs 19±3、23±4,P<0.05;海马 CA1区:102±11 vs67±8、58±9,P<0.01),皮层、皮层下白质 MBP 染色信号强于对照组。结论阳离子脂质体介导GGF2基因治疗能有效地促进大鼠颅脑损伤后的恢复。     

热射病大鼠死亡危险因素及心肌损伤的实验研究

复制热射病（HS）大鼠模型,探讨HS大鼠死亡危险因素及心肌损伤情况。方法雄性无特定病原体级SD 大鼠48 只,随机分为对照组、HS 组、维生素E 组（HS 维生素E 处理）、缬沙坦组（HS 缬沙坦处理）,每组12 只;除对照组外,余组给予40℃、（65±1）%湿热打击,达复制模型标准后终止;心肌苏木精- 伊红染色法（HE）染色及透射电镜观察病理变化。结果对照组体重变化率与其余3 组比较,差异有统计学意义（p <0.05）,HS 组血清乙酰胆碱（Ach）含量为（9.958±4.283）μg/ml,对照组为（15.734±4.987）μg/ml,两组比较,差异有统计学意义（p <0.05）;HE 染色和透射电镜结果显示,HS 大鼠存在心肌损伤,且维生素E 组、缬沙坦组大鼠心肌损伤程度较HS 组减轻。结论死亡事件主要发生在发病后24 h内,且低体温和较长打击时间是大鼠死亡的主要危险因素,但相对较高的体重变化率是大鼠存活的保护因素;HS 大鼠存在心肌损伤,其潜在机制可能是氧化应激和血管紧张素Ⅱ诱导的心肌细胞凋亡。     

载BDNF基因阳离子超声微泡联合超声靶向微泡破裂技术治疗大鼠急性不完全脊髓损伤的实验研究

目的：探讨超声靶向破裂技术介导载脑源性神经营养因子（brain-derived neurotrophic factor,BDNF）基因阳离子微泡（brain-derived neurotrophic factor-loaded cationic nanobubbles,BDNF/CNBs）治疗大鼠急性不完全脊髓损伤的可行性及效果。方法：96只成年雄性SD大鼠构建急性不完全脊髓损伤模型（Allen法）后随机分为4组：生理盐水（normal saline,NS）组;载BDNF基因阳离子微泡（BDNF/CNBs）组;BDNF基因+超声（brain-derived neurotrophic factor + ultrasound,BDNF+US）组;载BDNF基因阳离子微泡+超声（BDNF/CNBs + US）组,每组24只。经大鼠尾静脉注射药物后再按上述分组进行处理,在不同时间点采用HE染色观察脊髓损伤后的病理变化;Nissl染色观察神经元存活及再生情况;TUNEL染色法检测神经元凋亡情况;采用RT-PCR和Western blot检测BDNF基因和蛋白的表达情况;通过倒置荧光显微镜观察偶联绿色荧光蛋白的表达情况;最终采用BBB法（Basso,Beattie,and Bresnahan test,BBB）评估大鼠神经功能恢复情况。结果：本实验所制备的BDNF/CNBs阳离子超声微泡的平均粒径为（339.8±210.3） nm,Zeta电位为（24.30±6.24） mV。BDNF/CNBs + US治疗组能有效减轻脊髓组织损伤,明显增加BDNF基因及BDNF蛋白的表达（0.61±0.10 vs. 0.70±0.13 vs. 0.83±0.15 vs. 1.55±0.19,P=0.000;31.65±1.30 vs. 45.62±1.50 vs. 49.55±1.20 vs. 75.83±2.10,P=0.000）;与对照组相比,BDNF/CNBs + US治疗组尼氏小体数量明显增多（51.00±4.95 vs. 90.80±6.87 vs. 99.60±7.50 vs. 159.40±8.56,P=0.000）,神经元凋亡数明显减少（60.19±1.84 vs. 54.97±2.40 vs. 36.70±2.23 vs. 17.08±1.42,P=0.000）;且最终促进脊髓损伤后神经功能的恢复,即表现为明显增高的BBB评分（10.10±0.33 vs. 10.60±0.43 vs. 11.70±0.36 vs. 17.20±0.45,P=0.000）。结论：载BDNF阳离子超声微泡联合超声靶向微泡破裂治疗能有效地将BDNF基因转染入损伤脊髓组织,并能促进脊髓损伤的功能恢复。以BDNF/CNBs为基础的超声辐照联合基因治疗在治疗脊髓损伤及其他中枢神经系统疾病方面有广阔的应用前景,为脊髓损伤的治疗提供了一种新型、安全的方法。     

Value of D-Dimers in patients with acute aortic dissection

Objective: To evaluatel the value of D-dimers in patients with acute aortic dissection (AAD). Methods: This study consisted of 16 patients with AAD and 27 non-AAD patients. Serum D-dimets were measured by Sta-Liatest D-DI immunoturbidimetric assay. Results: D-dimer level was higher (P ＜ 0.001) in patients with AAD(7.91 ± 5.52 μg/ml) than that in non- AAD group(1.57±1.24 μg/ml). D-dimer was positive (＞0.4 μg/ml) in all patients with AAD and in 10 control group patients (37%). Among patients with acute AAD, D-dimers tended to be higher in Stanford A than in Stanford B (8.67 ± 4.31 μg/ml vs. 3.24±1.27 μg/ml, P ＜0.01). D-dimer values tended to be higher in more extended disease(3.84 ± 1.65 μg/ml, 8.57 ± 3.58 μg/ml and 11.87 ± 5.69 μg/ml in thoracic aorta, thoracic and abdominal aorta, thoracic and abdominal aorta and iliacal arteries, respectively, P ＜ 0.05 for both 8.57 ± 3.58 and 11.87 ± 5.69 vs. 3.84 ± 1.65 ). Including the control group into the analysis, we found a sensitivity of 100%, a negative predictive value of 100%, and a specificity of 66% and a positive predictive value of 64% for D-dimer in diagnosis of AAD in our patients with suspected AAD. Conclusion: D-dimer was elevated in patients with AAD. A negative D-dimer test result could be useful in excluding AAD.     

Research of combined liver-kidney transplantation model in rats

Objective： To set up a simple and reliable rat model of combined liver-kidney transplantation. Methods： SD rats served as both donors and recipients. 4℃ sodium lactate Ringer＇s was infused from portal veins to donated livers,and from abdominal aorta to donated kidneys, respectively. Anastomosis of the portal vein and the inferior vena cava （IVC） inferior to the right kidney between the graft and the recipient was performed by a double cuff method, then the superior hepatic vena cava with suture. A patch of donated renal artery was anastomosed to the recipient abdominal aorta. The urethra and bile duct were reconstructed with a simple inside bracket. Results： Among 65 cases of combined liver-kidney transplantation, the success rate in the late 40 cases was 77.5%. The function of the grafted liver and kidney remained normal. Conclusion： This rat model of combined liver-kidney transplantation can be established in common laboratory conditions with high success rate and meet the needs of renal transplantation experiment.     

Development on Adjustable Calibration Marker for Shock Wave Focus

Shock wave lithotripsy （SWL） is a treatment of choice for upper urinary stones. However, this procedure is inappropriate for obese patients because the focus is often unable to reach the target owing to the limited focal distance in shock wave source. Although treating such patients in a blast path may increase the application length of shock wave source, it＇s difficult to find this path on the lithotripter monitor. For this reason, we invented an adjustable calibration marker in order to set an effective focus in the shock wave hath.     

Study on the TCM Pathogenesis of Angiopathic Complications of Type II Diabetes

Excess production of reactive oxygen species(ROS)of mitochondrion mediated by hyperglycemia is the common pathogenesis of angiopathic complications of diabetes.TCM holds that the damp from the dysfunction of spleen.kidney and liver is the causative factor of complications of diabetes.This is similar to the mechanism of Ros resulting in angiopathic complications of diabetes.When the angiopathic complications of type II diabetes mellitus(T2DM)are difierentiated as caused by turbid damp in TCM can be explained as ROS.Since the obstruction of pathogenic damp in channels and collaterals is said to be the main pathogenesis,the treating principle should be dissolving the damp to remove the obstruction.     

Leptin, Ghrelin and TNF-α before and after Hypo-caloric Traditional Chinese Diet and Auricular Acupuncture

INTRODUCTION Obesity is a complex emergent problem, which can be possibly solved not only by the diet but also by the life style and promotion of a constant physical exercise. 1, 2 No doubt careful attentions must be given to the nutritional condition of obese people, the dietary habits, the somatic build (i.e. distribution of fat mass) and the organic functions linked to formation of the fat mass. All the parameters should be constantly monitored before, during and after a diet treatment. 3, 4, 5     

Relationship between Dysglycemia and Carotid Atherosclerosis in Tibetan Population

People with dysglycemia are at high risk for atherosclerotic diseases. This study aims at investigating the atherosclerotic vascular damage in dysglycemia and its metabolic origin in Tibetan population.     

安心颗粒对急诊经皮冠状动脉介入术后生活质量影响的研究

目的：评价使用安心颗粒对急诊经皮冠状动脉介入术（PPCI）术后生活质量的影响.方法：将160例接受PPCI的急性ST段抬高型心肌梗死患者随机分为安心颗粒组（术前顿服安心颗粒8.8g,术后安心颗粒4.4 g/次,每日2次）和对照组（仅接受基础药物治疗）.所有患者均服用阿司匹林、氯吡格雷和阿托伐他汀.分别在入院时、出院前1d、出院后180 d时,应用心肌梗死多维度量表（MIDAS）、中文版SF-36评价量表对患者生活质量评分.并观察术后30 d以内的出血并发症、血小板减少症发生情况.结果：入院时和出院前1d,两组患者的心肌梗死MIDAS、SF-36量表评分比较无差异（P＞0.05）;出院后180 d时,与对照组比较,安心颗粒组MIDAS、SF-36评分明显减低（P＜0.05）;组内与入院时比较,两组出院前1d、出院后180 d时,MIDAS、SF-36评分均降低（P＜0.05）.两组患者在随访期间均无大量出血、少量出血、重度和极重度血小板减少症发生,安心颗粒组有4例、对照组有7例发生不明显出血（P＞0.05）.两组发生轻度血小板减少症的患者数比较无差异（P＞0.05）.结论：PPCI使用安心颗粒,能改善急性ST段抬高型心肌梗死患者的生活质量,且不增加出血风险.     

APPLICATION OF LORNOXICAM TO PATIENT-CONTROLLED ANALGESIA IN PATIENTS UNDERGOING ABDOMINAL SURGERIES

FOR anesthesiologis s ,treatingpostoperativepainhas alwaysbeen a problem.Althoughopioidshave been provedtobe effective,theirsideeffectscouldnotbeignored.With thedevelopmentofscienceand pharmacology,many drugs with aspectsof satisfactoryanalgesicefficacyand couldbe welltoleratedby patientshave been developed.And lornoxicamisone of them, which isa non-steroidalanti-inflammatorydrug (NSAID ), with analgesic, anti-infl-ammatory,andantipyreticproperties.Itseliminationhalf-time(3 to 5 hours) isle…     

The comparative studies of the influences of Urapidil and Nicardipine on sino-atrial node function, atrio-ventricular node function and hemodynamics

Objective:To investigate the influences of urapidil and nicardipine on rabbit sinus function,atrio-ventricular node function and hemodynamics.Methods:Thirty-two Angora's rabbits were selected and randomly divided into four groups.U1 group:urapidil 0.25 mg/kg;U2 group:urapidil 0.5 mg/kg;N1 group:nicardipine 10 μg/kg;N2 group:nicardipine 20 μg/kg.All these medicine were administrated within 30 seconds.Measurements were taken before and after the administration of urapidil or nicardipine for the following data:mean blood pressure(MAP),heart rate(HR),sino-atrial conduction time(SACT),maximal sinoatrial recovery time(SNRTmax)corrected sinus node recovery time(CSNRT),index of sinus node recovery time(SNRTI),Wenckebach A-V conduction frequency (WB),and P-R interval.Results:Significant MAP and HR changes were identified in all of the four groups before and after administration of both urapidil and nicardipine.No significant changes could be found in the rest of the parameters.Intergroup analysis showed that SACT and CSNRT of N1 and N2 groups were shorter than those of the U2 group(P＜0.01);the MAP decreased(P＜0.01)and the HR increased drastically(P＜0.01).Conclusions:Neither urapidil(0.25 mg/kg,0.5 mg/kg)nor nicardipine(10μg/kg,20μg/kg)has any significant influence on rabbit sinus function or rabbit atrio-ventricular node function.Nicardipine could be a better choice than urapidil for parafunctional sinus node patients.     

CLINICAL SIGNIFICANCE OF SERUM CYTOKINES IL-1β,sIL-2R,IL-6,TNF-α,AND IFN-v IN ACUTE CORONARY SYNDROME

Objectives To explore serum cytokines levels (including IL-1 β, sIL-2R, IL-6, TNF-α, and IFN-v) and their significance in patients with acute coronary syndrome (ACS) and the subsequent follow-ups, with attempt to estimate the role of various serum inflammatory markers in the diagnosis and assessment of ACS.Methods The study population include 40 patients with acute myocardial infarction (AMI), 40 patients with unstable angina pectoris (UAP), and 40 controls. Among the 80 patients, 60 patients attended a follow up 4 months later. Serum inflammatory markers including IL-1 β, sIL-2R, IL-6, TNF-α, and IFN-v were measured by enzyme linked immunosorbent assay.Results Serum IL- 1 β, sIL-2R, IL-6, TNF-α were significantly higher in AMI group or UAP group compared to the control group and became significantly lower 4 months later in the follow-up patients. Serum levels of IFN-v shows no significant difference between AMI group or UAP group and controls, also showing no significant change when measured in follow up patients. There was no correlation between serum creatine kinase-MB isoenzyme levels and serum inflammatory markers either in UAP or AMI group. Furthermore, when divided into two subgroups using Wagner's QRS scoring system in the AMI group, there is no difference of each serum inflammatory marker between ≤ 6 scores group and ＞ 6 scores group.Conclusion Serum levels of certain inflammatory markers may have some diagnostic value for ACS, and can be a useful marker reflecting disease stability.