活血化瘀补肾法治疗妇女更年期冠心病稳定型劳累性心绞痛15例疗效观察

目的:观察活血化瘀补肾法治疗妇女更年期冠心病稳定型劳累性心绞痛的临床疗效。方法:将30例患者随机分为2组。治疗组15例,以六味地黄汤(处方:熟地黄、山茱萸、山药、泽泻、牡丹皮、茯苓)合复方丹参滴丸治疗;对照组15例,以复方丹参滴丸治疗。4周为1疗程。结果:心绞痛总有效率治疗组为93.3%,对照组为66.7%,2组比较,差异有非常显著性意义(P<0.01)。心电图总有效率治疗组为73.3%,对照组为40.0%,2组比较,差异有显著性意义(P<0.05)。2组心绞痛发作次数、持续时间、硝酸甘油消耗量治疗前后比较,差异有非常显著性意义或显著性意义(P<0.01,P<0.05);治疗组与对照组治疗后比较,差异有显著性意义(P<0.05)。结论:活血化瘀补肾法治疗妇女更年期冠心病稳定型劳累性心绞痛起效快、持续时间长,对缓解心绞痛、减少发作以及心电图ST段回升均有明显改善作用。     

Calreticulin binding and other biological activities of survival peptide Y-P30 including effects of systemic treatment of rats

Neuron survival-promoting peptide Y-P30, purified from oxidatively stressed neural cell lines, inhibits the appearance of microglia and rescues neurons 1 week after direct application to lesions of the rat cerebral cortex (7). Y-P30 affinity matrices treated with solubilized membranes from a variety of cell lines including human neuroblastoma SY5Y, mouse hippocampal cells HN 33.1, and human promonocytes HL-60, as well as with cerebral cortex tissue from both humans and rats, showed highly specific binding to calreticulin, a ubiquitous calcium binding protein that may be critical for integrin function. Treatment of cultures with 0.1 nM Y-P30 stabilized all these cell types whether differentiated or not, while 1 microM peptide also inhibited the morphological differentiation of the HL-60 cells into macrophages. Western analysis of the medium of SY5Y cell cultures suggested Y-P30-stimulated release of calreticulin, a result consistent with its other biological activities. Likewise, single dose systemic application of Y-P30 in unoperated rats and in rats with cerebral cortex lesions produced significant reductions in cerebral cortex membrane-associated calreticulin. Both direct and intravenous treatment with peptide also reduced cortical neuron atrophy 4 days after these lesions but only direct application consistently inhibited the appearance of ED-1(+) monocyte derivatives. We suggest that in vitro and in vivo mechanisms of Y-P30 effects are similar and involve the targeting of calreticulin. The results also suggest that some of these activities are apparent in the cerebral cortex after systemic application of this peptide.     

广东省中医院人际氛围调查研究

本研究对广东省中医院的人际沟通,以及群体内聚力进行初步调查,了解了管理者的人际沟通、组织内聚力的现状与特点,以及可能存在的问题,为探讨在综合医院,加强员工的凝聚力,挖掘内部潜力,期望为进一步制定有效的管理改善方案,提高医院管理水平,改善组织沟通,增强组织内聚力等提供科学依据.     

Firebird冠脉涂膜支架系统生物学安全性评价研究

依据国家标准GB/T16175-1996,选择10项试验对Firebird冠脉涂膜支架系统进行生物学安全性评价[1],结果表明该支架系统的血液相容性良好,无全身毒性和细胞毒性,无热源性、致敏性、刺激性,也无遗传毒性,组织相容性尚可,是一种生物相容性优良的Firebird冠脉涂膜支架系统.     

Factors influencing turnover and retention of midwives and consultants: a literature review.

This study is a review of literature on the factors affecting the retention and turnover of hospital consultants and midwives. While there is widespread concern and acknowledgement of staff retention problems for professional occupations within the NHS, far less research has analysed the causes of the staff retention problems for the occupations in question. This study shows that there is a dearth of literature in this area and that systematic comparative analysis of retention and turnover factors through both primary and secondary research is urgently required in order that policy-making can take place on the basis of informed choice. Tentative initial findings were that lack of appreciation or perceptions of not being valued are key factors influencing turnover for both occupations. Working hours, workload and work schedules are also common concerns to both groups. In addition, career development, promotion and appreciation of contribution were important retention factors for midwives, while a supportive professional environment, reduction in workload and working hours and more flexible work patterns were important to consultants.     

骶管阻滞麻醉在选择性绿激光前列腺切除术的应用

目的:探讨经尿道选择性绿激光前列腺切除术治疗高危高龄前列腺增生症的简单可行麻醉方法。方法:56例高危高龄前列腺增生症患者,应用2%利多卡因单次骶管阻滞麻醉,施行选择性绿激光前列腺切除术(PVP),采用疼痛分级问卷调查表及根据术中情况判断麻醉效果。结果:除1例患者术中改为硬膜外麻醉外,55例患者在骶管麻醉下成功施行手术,麻醉止痛作用起效时间:5 m in 22例;10 m in 29例;15 m in 4例。麻醉持续时间:60 m in 38例;60~180 m in 17例。疼痛抑制效果满意,麻醉满意评分为:0度48例;I度5例;II度2例。其中4例出现轻微的头晕、心慌、耳鸣等症状,其余未见明显麻醉并发症。结论:单次骶管阻滞麻醉是施行PVP的一种简单、安全和有效的麻醉方法,费用低,使PVP可在门诊完成。     

夜间哮喘患者呼吸功能及白三烯昼夜节律的研究

目的:观察夜间哮喘患者通气功能的昼夜节律,并探讨炎症介质白三烯与夜间哮喘的关系。方法:于4、8、16、22时测定哮喘夜间发作组(n=20)、哮喘非夜间发作组(n=22)和健康对照组(n=20)的用力呼气流速峰值(PEF)、1s用力呼气量占预计值百分比(FEV1%)及呼吸驱动指标口腔阻断压(P0.1);同时动态监测尿液中白三烯E4(LTE4)浓度。结果:哮喘夜间发作组PEF、FEV1%于16时达峰值,凌晨4时降到低谷;且其夜间PEF、FEV1%的降低与P0.1的升高呈显著负相关(P<0.01)。哮喘夜间发作组LTE4浓度(pg/mgcreatinine)21:01～次日9:00段(324.22±222.51)显著高于哮喘非夜间发作组(194.95±76.52)及健康对照组(201.11±68.57)(P均<0.05);且哮喘夜间发作组21:01～次日9:00段显著高于9:01～15:00段(P<0.01)。结论:夜间哮喘患者通气功能具有昼夜节律;白三烯多肽的昼夜变化与夜间哮喘的发生密切相关。     

病案室自动化系统中数据库资源的优化与合理应用

目前,病案室自动化系统已成为病案室工作模式,数据库的资源十分充实;本文从数据库资源建设、开发、合理使用中提出注意要点,以便更好的利用病案的内在信息,为医教研、现代医院管理服务。     

IGF-I及IGF-I受体与视网膜新生血管的研究

本文介绍了IGF-I及IGF-I受体的结构特征、生物功能、及影响因素,以及它们对视网膜新生血管的影响。     

Vitapex糊剂在儿童年轻恒牙根尖诱导成形术中的应用

目的探讨Vitapex糊剂和氢氧化钙糊剂用于儿童年轻恒牙根尖诱导成形术的治疗效果。方法对85例儿童,98颗牙根尖发育未完成,牙髓病变已波及根髓、牙髓已坏死或并发根尖周炎的年轻恒牙分为2组,分别用Vitapex糊剂和氢氧化钙糊剂进行根尖诱导成形术,观察其根尖发育情况。结果Vitapex糊剂组总有效率为91.84%。氢氧化钙组总有效率为77.55%。2者疗效在统计学比较存在显著性。结论Vitapex糊剂作为一种根尖诱导成形剂具有良好的治疗效果。值得在临床推广应用。