{"title":"Comparative study of MRI and arthroscopy in diagnosis of chondral abnormalities in patellofemoral pain patients","authors":"张峻, 王友, 侯筱魁, 史定伟","doi":"10.3760/CMA.J.ISSN.1008-634X.2007.01.013","DOIUrl":"https://doi.org/10.3760/CMA.J.ISSN.1008-634X.2007.01.013","url":null,"abstract":"目的 探讨核磁共振成像(MRI,SPIR/3D T1-FFE序列)在诊断膝前疼痛患者软骨病变中的价值.方法 74例髌股关节疼痛患者(78膝)进行MRI检查和关节镜手术.选择SPIR/3D T1-FFE序列对软骨进行成像,按照Recht分级标准对软骨的病变进行诊断.关节镜下按照Outerbridge分级标准进行诊断,分析MRI分级和关节镜分级的相关性和SPIR/3D T1-FFE诊断软骨病变的敏感性及特异性.结果 通过MRI(SPIR/3D T1-FFE序列)可以较好显示髌骨软骨的4层结构.MRI和关节镜对软骨病变分级之间存在正相关(U=3.97,P<0.01).同关节镜相比,MRI对Ⅰ级软骨诊断的敏感度为58.30%,特异度为97.83%;对Ⅱ级软骨诊断的敏感度为67.61%,特异度为95.94%;对Ⅲ级软骨诊断的敏感度为93.58%,特异度为97.48%;对Ⅳ级软骨诊断的敏感度为91.80%,特异度为98.02%.MRI诊断软骨损伤总体敏感度为93.87%,特异度为95.63%.结论 MRI(SPIR/3D T1-FFE序列)是诊断软骨病变的理想序列,MRI和关节镜检查对关节软骨的评价各有特色,两者存在着较高的相关性和互补性,MRI在诊断早期软骨内部病变方面比关节镜有优势.将两者结合起来,可以更好地对髌股关节软骨病变作出诊断。","PeriodicalId":189947,"journal":{"name":"Journal of Modern Clinical Medical Bioengineering","volume":"111 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-02-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129357260","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"原发性肝癌的CT灌注成像研究进展","authors":"田晞, 吴梅, 陈胜利","doi":"10.3760/CMA.J.ISSN.1008-634X.2007.01.018","DOIUrl":"https://doi.org/10.3760/CMA.J.ISSN.1008-634X.2007.01.018","url":null,"abstract":"灌注(perfusion)是血流通过毛细血管网将携带的氧和营养物质输送给组织细胞的重要功能.通过影像学技术直观显示活体灌注过程和作定量或半定量分析的方法称为灌注成像(perfusion imaging)。","PeriodicalId":189947,"journal":{"name":"Journal of Modern Clinical Medical Bioengineering","volume":"266 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-02-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132470582","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Correlation between volume dependence of respiratory mechanics and intrinsic positive end-expiratory pressure in COPD patients mechanically ventilated","authors":"刘晓青, 黄河, 李寅环","doi":"10.3760/CMA.J.ISSN.1008-634X.2007.01.008","DOIUrl":"https://doi.org/10.3760/CMA.J.ISSN.1008-634X.2007.01.008","url":null,"abstract":"目的 探讨慢性阻塞性肺疾病(COPD)患者机械通气时呼吸力学非线性分析时呼吸系统弹性和阻力的容积依赖性系数(Evd/Rvd)与内源性呼气末正压(PEEPi)的相关性.方法 2004年1月-2005年1月本院英东重症监护医学中心收治的25例COPD机械通气患者,分别以呼吸力学的线性和非线性模型分析其压力(P)、流量(V')和容量(V)数据,比较二者的拟合效率指标决定系数(R2)和根均方差(RMSD);以呼气末阻断法测定PEEPi,分析弹性容积依赖性系数(Evd)、阻力容积依赖性系数(Rvd)以及Evd×Rvd与PEEPi的相关性.结果 非线性分析所得的RMSD值(1.47±0.81)cm H2O小于线性分析所得(2.36±1.18)cm H2O;非线性分析所得的R2值(0.97±0.02)大于线性分析(0.89±0.08),差异均有统计学意义(P均<0.05);Evd、Rvd以及Evd×Rvd与PEEPi的相关系数分别为0.90、0.82和0.95(P均<0.01).结论 呼吸力学的非线性模型比线性模型更加适合COPD患者机械通气时呼吸力学分析.Evd和Rvd,特别是Evd×Rvd与PEEPi之间具有良好的相关性,或可用于COPD患者机械通气时PEEPi的无创性持续监测。","PeriodicalId":189947,"journal":{"name":"Journal of Modern Clinical Medical Bioengineering","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-02-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134355852","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Prospective study on the treatment for the infertile by fallopian tube obstruction with fallopian tube recanalization and blood-activating-dispersing traditional Chinese medicine","authors":"严英, 周伟生, 罗颂平, 何蓉","doi":"10.3760/CMA.J.ISSN.1008-634X.2007.01.009","DOIUrl":"https://doi.org/10.3760/CMA.J.ISSN.1008-634X.2007.01.009","url":null,"abstract":"目的 研究介入再通配合活血化瘀中药对输卵管阻塞性不孕症的治疗效果.方法 前瞻性研究经子宫输卵管造影(HSG)检查证实为输卵管近段完全阻塞511例,随机分为试验组和对照组,两组均经输卵管介入再通术疏通阻塞输卵管,试验组术中术后加活血化瘀中药治疗,对照组为经典介入再通术,不予中药治疗.失访病例72例,实际纳入研究病例439例.经12个月和24个月随访,评价输卵管通畅度、宫内妊娠率和输卵管妊娠率.结果 介入后12个月和24个月,试验组的输卵管完全通畅率明显高于对照组,再闭塞率及通而不畅率显著低于对照组;输卵管妊娠率显著低于对照组.结论 介入再通配合活血化瘀中药治疗输卵管阻塞性不孕具有良好的临床疗效。","PeriodicalId":189947,"journal":{"name":"Journal of Modern Clinical Medical Bioengineering","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-02-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129982881","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Effect of cryotherapy on large filtering bleb with thin wall after trabeculectomy","authors":"黄圣松, 余敏斌, 方敏, 李劲嵘","doi":"10.3760/CMA.J.ISSN.1008-634X.2007.01.015","DOIUrl":"https://doi.org/10.3760/CMA.J.ISSN.1008-634X.2007.01.015","url":null,"abstract":"目的 探讨滤过泡冷冻术治疗巨大薄壁滤过泡的安全性和疗效.方法 采用滤过泡冷冻术治疗小梁切除术后滤过功能过强的巨大薄壁滤过泡14例16只眼.手术均在表面麻醉下进行,术后随访3~36个月,平均(24.4±11.1)个月.结果 16只眼均顺利完成手术.术前眼压1~5 mmHg,平均(3.25±1.13)mm Hg;术后眼压5~14 mm Hg,平均(8.81±2.95)mm Hg,手术前后眼压变化差异具有统计学意义(t=9.52,P=0.000).手术前有7只眼存在黄斑水肿,手术后消失.术后有6只眼视力上升2行以上,手术前后视力差异具有统计学意义(Z=-2.226,P=0.026).术后滤过泡无渗漏,无滤过泡感染等并发症.结论 滤过泡冷冻术治疗巨大薄壁滤过泡具有手术时间短、简单易行、并发症少,疗效确切的优点。","PeriodicalId":189947,"journal":{"name":"Journal of Modern Clinical Medical Bioengineering","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-02-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126225480","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"儿童阻塞性睡眠呼吸暂停低通气综合征的临床诊断学研究概况","authors":"仇书要, 刘大波","doi":"10.3760/CMA.J.ISSN.1008-634X.2007.01.017","DOIUrl":"https://doi.org/10.3760/CMA.J.ISSN.1008-634X.2007.01.017","url":null,"abstract":"阻塞性睡眠呼吸暂停低通气综合征(obstructive sleep apnea-hypopnea syndrome,OSAHS)是睡眠医学目前研究的热点.近年来关于成人OSAHS的研究很多,而有关儿童OSAHS的研究远不如成人广泛、深入。","PeriodicalId":189947,"journal":{"name":"Journal of Modern Clinical Medical Bioengineering","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-02-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125383152","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Study of cerebrovascular hemodynamics in patients with transient ischemic attack","authors":"祁风, 余科, 韦朝霞, 何家驹, 刘祖佑","doi":"10.3760/CMA.J.ISSN.1008-634X.2007.01.016","DOIUrl":"https://doi.org/10.3760/CMA.J.ISSN.1008-634X.2007.01.016","url":null,"abstract":"目的 探讨短暂性脑缺血发作(TIA)的发病机制及血流动力学变化.方法 52例符合TIA诊断标准的患者入选试验组,40例健康人作对照组.对上述受检者依次进行(1)经颅多普勒超声(TCD)检查:观察颅内血管有无狭窄、闭塞、侧支循环代偿状况;(2)彩色多普勒血流显像(CDFI)检查:了解颈动脉血管有无狭窄及斑块形态改变;(3)随访1年.结果 52例TIA患者中,TCD检查发现40例(76.92%,40/52)有颅内动脉狭窄,其中多发动脉狭窄(两条或两条以上血管狭窄)26例(50%,26/52),单发动脉狭窄14例(26.92%,14/52),无狭窄10例(19.23%,10/52).CDFI检查发现35例(67.31%,35/52)有1侧或双侧颈动脉狭窄.随访1年,48例完成随访的TIA患者中,13例有脑血管事件再发(27.08%,13/48),其中颅内外血管高度狭窄者脑血管事件再发率高于中度狭窄者(P<0.05);颈动脉软斑型粥样硬化狭窄患者脑血管事件再发率高于硬斑型粥样硬化患者(P<0.05).结论 TIA的发生与颅内外动脉狭窄有关,颅内外血管狭窄程度越高,脑血管事件再发的危险性也越大.颈动脉软斑型粥样硬化斑块比硬斑型斑块更不稳定,易引起脑缺血事件。","PeriodicalId":189947,"journal":{"name":"Journal of Modern Clinical Medical Bioengineering","volume":"158 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-02-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121970065","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Expression of vascular endothelial growth factor C,it's receptor VEGFR-3 and count of lymph vessel in different parts of gastric cancer","authors":"姚宏亮, 杨竹林, 李永国","doi":"10.3760/CMA.J.ISSN.1008-634X.2007.01.004","DOIUrl":"https://doi.org/10.3760/CMA.J.ISSN.1008-634X.2007.01.004","url":null,"abstract":"目的 观察胃癌原发灶、淋巴结转移灶及癌旁组织中血管内皮生长因子C(VEGF-C)及其受体(VEGFR-3)表达水平和淋巴管(LV)计数,探讨3者的相互关系及其临床病理意义.方法 49例胃癌手术切除原发灶、36例淋巴结转移灶标本和20例癌旁组织常规制作石蜡包埋切片,VEGF-C、VEGFR-3和LV染色方法均为SP免疫组化法.结果 胃癌原发灶组织VEGF-C、VEGFR-3阳性表达率及LV计数明显高于癌旁组织[(61.2%比25.0%,P<0.01;57.1%比25.0%,P<0.05;(13.8±5.2)个/HP比(6.8±3.2)个/HP,P<0.01].胃癌淋巴结转移灶组织VEGF-C、VEGFR-3表达阳性率及LV计数亦明显高于癌旁组织[61.1%比25.0%,P<0.01;58.3%比25.0%,P<0.05;(11.2±4.9)个/HP比(6.8±3.2)个/HP,P<0.01].组织学分级Ⅱ级、侵袭深度T1~T2、无区域淋巴结转移、N1站淋巴结转移及无远处转移胃癌VEGF-C、VEGFR-3表达阳性率及LV计数均明显低于组织学分级Ⅲ~Ⅳ级、侵袭深度T3~T4、区域淋巴结转移、N2~N3站淋巴结转移及远处转移病例(P<0.05或P<0.01).VEGF-C、VEGFR-3表达呈高度一致性(P<0.01).胃癌原发灶及淋巴结转移灶中VEGF-C、VEGFR-3阳性病例LV计数明显高于阴性病例(P<0.01).结论 VEGF-C、VEGFR-3和LV可能是反映胃癌发生发展、侵袭潜力、转移发生及预后的重要生物学标记物.VEGF-C通过与VEGFR-3结合具有促胃癌淋巴管生成作用。","PeriodicalId":189947,"journal":{"name":"Journal of Modern Clinical Medical Bioengineering","volume":"58 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-02-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128554926","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Impact of arterial perfusion with anticancer drug on the blood supply in axial-pattern flap","authors":"王肃生, 冀航, 梁刚, 张志华, 丁海曙","doi":"10.3760/CMA.J.ISSN.1008-634X.2007.01.007","DOIUrl":"https://doi.org/10.3760/CMA.J.ISSN.1008-634X.2007.01.007","url":null,"abstract":"目的 探讨抗癌药物动脉灌注对局部轴型皮瓣血液供应的影响.方法 在猪腹部双侧腹壁上动脉插管灌注入抗癌药,10d后在猪腹部双侧设计以腹壁上血管为蒂的岛状皮瓣,观察灌注区域轴型血管供养的岛状皮瓣成活率.以近红外光谱作皮瓣组织氧含量指数(TOI)的测定.用组织学检查和血管铸型透明标本研究其血管结构及构筑的变化.结果 抗癌药物局部动脉灌注后两个实验组局部轴型皮瓣的成活率及TOI数值均有下降,与对照组间差异有统计学意义.组织学检查和血管铸型标本显示实验组支配血管有损伤表现、血管网分布范围缩小约1/5,岛状皮瓣远段的血供显著降低.结论 抗癌药物动脉灌注可影响局部轴型皮瓣的血运,使皮瓣血供的安全范围缩小。","PeriodicalId":189947,"journal":{"name":"Journal of Modern Clinical Medical Bioengineering","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-02-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121098754","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Influence of calcining temperature on crystal structure and morphology of hydroxyapatite nanopowders","authors":"吉建新, 成晓玲, 廖伟娇, 匡同春, 朱伯平","doi":"10.3760/CMA.J.ISSN.1008-634X.2007.01.011","DOIUrl":"https://doi.org/10.3760/CMA.J.ISSN.1008-634X.2007.01.011","url":null,"abstract":"目的 探讨煅烧温度对羟基磷灰石结晶性能、晶粒尺寸、形貌的影响.方法 以四水硝酸钙和五氧化二磷为原料,无水乙醇为溶剂,采用溶胶-凝胶法制备出羟基磷灰石(HAP)纳米粉体.利用X射线衍射分析(XRD)和红外光谱(FTIR)研究煅烧温度对羟基磷灰石结晶性能、晶粒尺寸、形貌的影响.采用扫描电镜(SEM)观察制备粉体的表面形貌和尺寸.结果 500℃可初步形成结晶度不太高的HAP;650℃则晶化程度提高;到800℃时晶化程度更高.凝胶HAP经500℃煅烧后,颗粒以团聚为主,边界不清;650℃时结晶粒度大小为48 nm,800 ℃时为78 nm.结论 采用溶胶凝胶法,650℃处理可得到结晶性能良好、分散均匀、50 nm左右大小的羟基磷灰石粉体.煅烧温度对羟基磷灰石粉体的制备有重要影响,温度过低,晶化程度差,晶粒尺度小,提高煅烧温度有利于HAP晶化程度的提高。","PeriodicalId":189947,"journal":{"name":"Journal of Modern Clinical Medical Bioengineering","volume":"429 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-02-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124608723","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}