黄芪、女贞、旱莲合剂对小鼠免疫功能的影响

本文报道以黄芪、女贞子、墨旱莲三合剂(AFE)大小剂量(9g/kg、20g/kg)分别给予小鼠灌胃7天,观察其对机体细胞免疫及体液免疫功能的影响。结果表明,两种剂量的AFE均能非常明显地增加小鼠细胞免疫功能(P<0.01),促进其免疫器官正常发育(P<0.05),提高血清IgG水平(>40％)。增加小鼠免疫生化酶一腺苷脱氨酶(ADA)活性,其中大剂量组对ADA的影响具有非常显著性意义(P<0.01)。该合剂还具有恢复环磷酰胺对小鼠免疫器官所致的萎缩作用。提示.该中药合剂可保护、提高小鼠免疫功能。     

病人自控硬膜外镇痛泵治疗难治性腰椎间盘突出症临床观察

目的观察病人自控硬膜外镇痛（PCEA）泵治疗难治性腰椎间盘突出症的临床疗效。方法采用临床随机对照的方法，观察组和对照组分别应用病人自控硬膜外镇痛（PCEA）泵和用传统硬膜外注射术进行治疗，并对治疗结果进行统计分析。结果观察组痊愈31例（治愈率68．89％），好转11例（有效率93．33％），对照组痊愈18例（治愈率43．90％），好转16例（有效率82．93％）。两组治愈率比较P=0．019〈0．05，差异有显著性意义，有效率比较P=0．243〉0．05，差异无显著性意义。结论病人自控硬膜外镇痛（PCEA）泵治疗难治性腰椎间盘突出症治愈率要高于传统硬膜外注射术，在药物效应的基础上起液体剥离和持续给药的效果是其可能的作用机制。     

参芪扶正注射液对淋巴细胞的作用

目的:观察参芪扶正注射液对淋巴细胞的作用.方法:用参芪扶正注射液处理Jurkat淋巴细胞,通过台盘兰染色计数和流式细胞计观察其对淋巴细胞的作用,用参芪处理过的淋巴细胞分别加入化疗药和肝癌细胞,观察两种细胞的反应.结果:参芪扶正注射液处理过的淋巴细胞,细胞增殖快,有较强的抵抗化疗药诱导凋亡的能力,杀伤肝癌细胞的能力增强.结论:参芪扶正注射液具有多方面的免疫调节作用.     

小牛血清去蛋白注射液细菌内毒素检测方法的研究

目的：建立小牛血清去蛋白注射液的细菌内毒素检查方法。方法：根据2000年版《中国药典》进行试验。结果：小牛血清去蛋白注射液在2mg/ml浓度下进行细菌内毒素检查干扰现象，获得了可靠的数据和结果。结论：本品所采用的细菌内毒素检查方法灵敏、可靠。     

水蛭注射液对大白鼠血小板粘附和血小板聚集功能的影响

目的　探讨水蛭注射液对大白鼠血小板粘附性和聚集性的影响。方法　采用大白鼠 2 4只 ,随机分成两组 ,实验组给药 ,对照组以实验组同样的方法和剂量给予生理盐水 ,5d后由颈总动脉取血 ,做血小板粘附性和聚集性试验。结果　水蛭注射液对大鼠血小板粘附性和聚集性具有显著的抑制作用 ,实验组与对照组抑制率有显著的统计学意义 (P <0 0 0 1)。结论　水蛭注射液能够抑制大白鼠血小板的粘附和聚集。     

Action of intravenously administered talipexole on the rat striatal neurons receiving excitatory input from nigral dopamine neurons

Electrophysiological studies using rats anesthetized with chloral hydrate were performed to elucidate whether or not intravenously injected talipexole acted as a D₂ receptor agonist on the striatal neurons in comparison with the action of bromocriptine. The activities of the striatal neurons were extracellularly recorded using a glass microelectrode attached along a seven-barreled micropipette, each barrel of which was filled with talipexole, bromocriptine, SCH23390 (D₁ antagonist), domperidone (D₂ antagonist), glutamate or 2 M NaCl. These drugs were iontophoretically applied to the immediate vicinity of the target neuron being recorded. The effects of talipexole and bromocriptine were examined on the neurons, whose spikes (induced by the stimulation of the substantia nigra pars compacta) were inhibited by the iontophoretic application of domperidone. Iontophoretic application of talipexole or bromocriptine increased spontaneous firing of these neurons and this increase in firing was also inhibited by iontophoretically applied domperidone. In the same neurons, intravenously administered talipexole (0.01, 0.02 and 0.04 mg/kg) dose-dependently increased firing, and this increase was inhibited by microiontophoretically applied domperidone, but not by SCH23390. On the other hand, the intravenous injection of bromocriptine (0.1, 0.2 and 0.4 mg/kg) also increased the firing rate. However, the increase was not dose-dependent and fluctuated; the firing transiently decreased during the increase in firing with intravenously administered bromocriptine. However, the bromocriptine-induced increase in firing was also suppressed by domperidone, and decrease in firing was inhibited by SCH23390. These findings suggest that talipexole acts as a D₂ agonist on the striatal neurons receiving input from substantia nigra pars compacta and increases firing when intravenously applied. However, intravenously administered bromocriptine appears to act as both a D₂ agonist and probably as a D₁ agonist on the striatal neurons to increase and decrease firing, respectively.     

麝香注射液对脑梗死患者血液流变学及甲襞微循环的影响

目的 探讨麝香注射液对脑梗死患血液流变学及甲襞微循环的影响。方法 对60例脑梗死急随机分成治疗组和对照组，治疗组予麝香注射液，对照组予复方丹参、低分子右旋糖酐治疗。于治疗前后分别测定上述指标。结果 麝香注射液治疗后血液流变学检查各项指标均显下降，且甲襞微循环血液流速流态等均有显改善。结论 麝香注射液能明显改善血液流变学异常及微循环障碍，在防治脑梗死中有重要价值。     

黄芪多糖对红斑狼疮小鼠6种抗磷脂抗体的影响

目的 :观察黄芪多糖 (PG2 )对红斑狼疮小鼠抗心磷脂 (anticardiolipin ,aCL)、抗磷脂酰胆碱 (antiphosphatidylcho line ,aPC)、抗磷脂酰丝氨酸 (antiphosphatidylserine,aPS)、抗磷脂酰肌醇 (antiphosphatidylinositol,aPI)、抗磷脂酸 (antiphosphatidicacid ,aPA)和抗磷脂酰乙醇胺 (antiphosphatidylethanolamine ,aPE) 6种自身抗体的影响。方法 :19只雌性NZB×NZWF1小鼠随机分为黄芪I组 (2 5mg kg) 7只 ,黄芪II组 (5 0mg kg) 6只及生理盐水组 (0 2ml d) 6只 ,日一次腹腔注射 ;雌性BXSB及C5 7BL 6小鼠作对照 ,用酶联免疫吸附 (ELISA)法测定各组小鼠的 6种抗磷脂抗体A值进行比较。结果 :NZB×NZWF1小鼠黄芪II组各种抗磷脂抗体A均值比生理盐水组明显降低 (P <0 0 5或P <0 0 1) ,与BXSB ,C5 7BL 6小鼠比无统计学差异 ;黄芪I组与生理盐水组比有所升高 ;黄芪I组及生理盐水组与BXSB、C5 7BL 6比明显升高 (P <0 0 5或P <0 0 1)。结论 :黄芪多糖低剂量有使抗磷脂抗体升高的趋势 ,高剂量可明显抑制抗磷脂抗体的产生     

Intra-operative quick insulin assay to confirm complete resection of insulinomas guided by selective arterial calcium injection (SACI)

Background and aims Insulinomas are rare endocrine disorders. Pre-operatively, conventional imaging techniques often fail to localise the tumor. In addition, due to the lack of quick insulin assays, intra-operative confirmation of complete resection was impossible until recently. Materials and methods Six patients with biochemical evidence of an insulinoma underwent pre-operative localisation studies and selective arterial calcium injection (SACI). In addition, insulin was measured before surgery and every 10–15 min after resection of the tumor using a quick insulin assay. Results Pre-operative localisation studies identified the tumor correctly as follows: endosonography: three of four, magnetic resonance imaging: two of four and SACI: six of six. Tumors in the head and body were enucleated while those in the tail were resected (n = 2, each). Those three patients, in whom magnetic resonance imaging and/or endosonography could localise the tumors pre-operatively, underwent laparoscopic surgery while the remaining three patients underwent open surgery. Intra-operatively, insulin dropped to normal levels within 20 min in all cases. After a follow-up of 0.8–3 years, all patients remained biochemically cured. Conclusions Pre-operatively, SACI appears to be a very sensitive localisation technique and may be most helpful in guiding the surgeon if conventional imaging techniques fail to localise the tumor. Complete removal of an insulinoma can be reliably predicted using a quick insulin assay. This paper was presented at the 2nd Biennial Meeting of the European Society of Endocrine Surgeons (ESES), May 18–20, 2006, Krakow, Poland.     

Intravitreal injection of 0.3 ml of SF6 gas for persistent subfoveal fluid after scleral buckling for rhegmatogenous retinal detachment

Purpose  To determine the efficacy of intravitreal injection of sulphur hexafluoride (SF6) gas for reducing persistent subfoveal fluid after scleral buckling surgery for macula-off rhegmatogenous retinal detachments. Methods  We injected 0.3 ml of SF6 gas into the vitreous cavity of two eyes of two patients with persistent macular retinal detachment 3 and 5 months after successful scleral buckling. Optical coherence tomography was performed before and after surgery. Results  Subfoveal fluid was displaced peripheral to the fovea immediately after gas injection and the fluid was absorbed gradually in both eyes. Conclusions  Persistent subfoveal fluid after scleral buckling may be treated with intravitreal SF6 gas injection. The authors have no proprietary interest in any aspect of this report