心室肌脂肪:一个意想不到的远期生存生物标志物?

正目的非增强CT常常观察到心肌脂肪,但对其认识不足,本文旨在探究心肌内脂肪与全因死亡率的关系,无论是否有心肌梗死病史。方法本回顾性队列研究收集了不     

参苓白术散对慢性阻塞性肺疾病稳定期肺脾两虚患者运动耐力及氧化应激水平的影响

目的观察参苓白术散对慢性阻塞性肺疾病稳定期肺脾两虚患者运动耐力及氧化应激水平的影响。方法将58例COPD稳定期患者随机分为对照组29例和治疗组29例。两组均给予常规基础治疗,治疗组在常规基础治疗上加用参苓白术散(党参、茯苓、白术、薏苡仁等)治疗,疗程均为4周,比较两组患者治疗前后的6分钟步行距离、肺功能和氧化应激水平。结果与治疗前相比,治疗组治疗后6MWD明显增加,且与对照组治疗后相比,具有明显差异(P0.05);治疗组FEV1%和FEV1/FVC治疗后较治疗前有所改善,但无统计学意义,治疗后两组FEV1/FVC间有差异(P0.05);两组治疗后的SOD含量较治疗前明显升高,而MDA含量显著降低,具有统计学意义(P0.05);与对照组治疗后比较,治疗组的氧化应激水平明显减轻(P0.05)。结论参苓白术散可提高慢性阻塞性肺疾病稳定期肺脾两虚患者运动耐力,其作用机制可能与其减轻氧化应激反应有关,具体分子生物机制有待于进一步研究。     

美国≥65岁女性的数字二维乳腺摄影与断层成像对比

正摘要虽然乳腺癌的发病率和死亡率随着年龄的增长而增加,但有关老年妇女筛查乳腺X线检查的益处和风险,以及老年妇女二维数字乳腺X线摄影(DM)和数字乳腺断层成     

Significant impact of cryopreserved amniotic membrane on acute ocular Stevens-Johnson syndrome and toxic epidermal necrolysis

The ocular surface is covered by an epithelium encompassing an area including the cornea,the limbus and the conjunctiva bordered by the upper and lower lids.The healthy state of the ocular surface epithelium depends on a stable and protective preocular tear film when the eye is open.A stable preocular tear film is governed by sound ocular surface defense that involves effective neuroanatomic integration of compositional and hydrodynamic factors by two neural reflexes (1).     

某三甲综合医院医务人员血源性职业暴露现状分析

目的:了解深圳市第二人民医院医务人员血源性职业暴露现状及职业暴露发生特点,为制定有效防护措施提供依据。方法:通过信息化系统进行管理与追踪职业暴露不良事件,数据汇总包括2016年1月至2018年12月3年数据。结果:全院3年共发生职业暴露368人次,发生职业暴露的职业类别构成比中,护士38.04%,医生37.23%;职业暴露发生率中,实习护士、医生职业暴露发生率相对较高,分别为11.47%、5.11%;发生职业暴露的人员主要集中在工作不满1年的医务人员;职业暴露发生地点主要在病房占33.70%,其次为手术室占32.34%。结论:医生的职业暴露更应引起重视;手术室是发生职业暴露的高发区域;低年资人员仍是职业暴露的主要人员;需加强入职安全教育与培训。     

Glial regenerative response in the imaginal discs of Drosophila melanogaster

<正>Glial cells play a key role during nervous system development and actively participate in all the cellular processes involved in maintaining its structural robustness and functional plasticity.In response to neuronal damage,glial cells proliferate,migrate to the injured region and change their morphology,function,and behavior     

Tandem pore TWIK-related potassium channels and neuroprotection

TWIK-related potassium channels(TREK) belong to a subfamily of the two-pore domain potassium channels family with three members, TREK1, TREK2 and TWIK-related arachidonic acid-activated potassium channels. The two-pore domain potassium channels is the last big family of channels being discovered, therefore it is not surprising that most of the information we know about TREK channels predominantly comes from the study of heterologously expressed channels. Notwithstanding, in this review we pay special attention to the limited amount of information available on native TREK-like channels and real neurons in relation to neuroprotection. Mainly we focus on the role of free fatty acids, lysophospholipids and other neuroprotective agents like riluzole in the modulation of TREK channels, emphasizing on how important this modulation may be for the development of new therapies against neuropathic pain, depression, schizophrenia, epilepsy, ischemia and cardiac complications.     

多参数MR成像全肿瘤直方图分析三阴性乳腺癌与其他亚型的鉴别

正摘要目的利用多参数MR成像图谱和全肿瘤直方图分析三阴性(TN)乳腺癌与其他分子亚型鉴别的影像学生物标志。方法本回顾性研究包括134例浸润性导管癌病人。从     

高渗盐水在重型颅脑损伤合并休克的早期治疗

目的:探讨高渗盐水在重型颅脑损伤合并休克的早期治疗价值.方法:收集我院重型颅脑损伤合并休克的患者,外伤类型为车祸伤、坠落伤、暴力击打伤等.分为:研究组(接受高渗盐水降压)和对照组(接受甘露醇降压).结果:(1)两组治疗前颅内压、中心静脉压、平均动脉压、脑灌注压比较无差异(P＞0.05);两组治疗4小时颅内压、中心静脉压、平均动脉压、脑灌注压比较有差异(P＜0.05). (2)两组治疗前、治疗4小时血钠、氯化物、钾对比较无差异(P＞0.05);两组治疗4小时血钠、氯化物、钾比较无差异(P＞0.05).结论:相对于甘露醇,高渗盐水在重型颅脑损伤合并休克降压效果肯定,对改善脑灌注压持久、安全.     

慢性血栓栓塞性肺动脉高压病人在球囊血管成形术前后的肺灌注血容量CT、肺灌注SPECT、肺血管造影的临床及预测价值比较

正摘要目的使用双能量CT计算肺灌注血容量(PBV)诊断肺血栓栓塞已被广泛接受。本研究评价慢性血栓栓塞性肺高压(CTEPH)病人在球囊肺血管成形术(BPA)前、后的肺