排序方式: 共有43条查询结果,搜索用时 15 毫秒
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目的:评估经皮囊内入路电切去顶术治疗单纯性肾囊肿的疗效,以探讨低侵袭性、彻底的肾囊肿治疗方式。方法:我院于2011年4月~2013年12月采用经皮肾穿刺囊肿去顶术治疗单纯性肾囊肿患者16例。患者平均年龄59(23~78)岁;囊肿位于左肾13例,右肾3例。囊肿直径平均8.2(5.2~12.8)cm。术中在超声定位下应用经皮肾穿刺技术配合双极电切镜切除游离于肾脏外侧的囊壁,术后留置引流管2d。结果:14例患者手术顺利完成,囊肿完全消失。意外发现1例肾细胞癌,二期行肾部分切除术;1例因出血中转开放手术。平均手术时间68(15~125)min。平均随访15(1~32)个月,未见复发。结论:单纯性肾囊肿可以用经皮肾穿刺去顶术安全解决。此技术优于腹腔镜肾囊肿去顶减压术,避免了多个trocar的安置及广泛的肾周剥离,降低了手术难度。 相似文献
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目的探讨特拉唑嗪在治疗老年原发性顽固性高血压的临床疗效。方法将我院收治的80例顽固性高血压患者随机分成两组,均为原发性高血压。对照组36例使用拜新同及安博诺治疗,治疗组44例在对照组的基础上加用特拉唑嗪治疗,两组疗程均为6周。结果治疗组的总有效率明显高于对照组,两组相比较差异有统计学意义(P〈0.05);两组治疗后的收缩压与舒张压均较治疗前有明显下降,治疗前后差异具有统计学意义(P〈0.05),治疗组的降压效果明显优于对照组。结论盐酸特拉唑嗪联合多种降压药治疗老年顽固性高血压效果良好,副作用少,值得临床推广。 相似文献
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Objective:Side population cells(SP cells)are a new type of stem cells.They mainly express ABCG2/BCRP1 and have the ability to eliminate DNA dye Hoechst33342.Many studies showed that side population cells were able of self-renewal,differentiation and carcinogenesis in cancers.Our investigation aimed at isolation of side population cells and ABCG2 positive subpopulation from colon cancer cell line SW480 and identification of their characteristics of cancer stem cells.Methods:side population cells and non-side population cells of colon cancer cell line SW480 were isolated with DNA dye Hoechst33342 and their cell cycles were measured by flow cytometry.Expression of ABCG2 of SW480 was measured by immunohistochemistry and immunofluorescence,and its proportion was measured by flow cytometry.Results:SW480 contained 2.29% side population cells.The fraction of side population cells decreased greatly to 0.40% by treatment with verapamil.The fraction of side population cells in S-G2M cell cycle was 16.14%,which was much lower than the fraction(34.05%)of non-side population cells in S-G2M.In SW480,ABCG2 positive cells,which proportion was 9.66%,were small,circular or oval,lack of psuedopods,similar to poor differentiation.On the contrary,the ABCG2 negative cells were large,polygonal,with many psuedopods,similar to high differentiation.Conclusion:our assay identified that side population cells did exist in SW480 and had a quiescence characteristic of stem cells.ABCG2 positive subpopulation occupied about 9.66% of SW480 and may have the ability to promote cell self-renewal and inhibit cell differentiation.Therefore,to isolate ABCG2 positive subpopulation from side population cells may be an alternative to study colorectal cancer stem cells. 相似文献
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目的评价自体牙本质颗粒结合富血小板纤维蛋白治疗Ⅱ度根分叉病变的临床效果。方法牙周基础治疗的下颌第一磨牙Ⅱ度根分叉病变患者共32例,16例患者的16颗牙,用自体牙本质颗粒结合PRF植入骨缺损区并覆PRF膜,对照组的16例患者的16颗牙,用Bio-Oss植入骨缺损区并覆盖胶原膜,术后3、6、12个月回访,通过临床检查及X线检查评定疗效。结果两组术后牙周袋深度(PD)、附着丧失(AL)、根分叉水平探入深度(HPD)均明显减少,有显著性差异(P<0.05),两组术后根分叉区骨密度显著增加,且有显著性差异(P<0.05)。结论自体牙本质颗粒结合PRF治疗Ⅱ度根分叉病变临床效果明显。 相似文献
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根分叉病变发生于多根牙.引起该病的主要原因是由于牙周袋波及多根牙的根分叉与根间隔顶之间的区域.我科于1990年以来对25例根分叉病变患者施行断根术.随访3年,疗效满意,报道如下:临床资料1病例选择:男性17人,女性8人,年龄32~55岁,平均48.2... 相似文献
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剪口结扎结合痔上黏膜环切术治疗混合痔的临床研究 总被引:1,自引:0,他引:1
目的评价剪口结扎结合痔上黏膜环切(PPH)术治疗混合痔的有效性与安全性。方法将300例符合纳入标准的病例分为剪口结扎结合PPH组、剪口结扎组、PPH组各100例,分别行剪口结扎结合PPH术、剪口结扎术及PPH术,通过直肠彩色多普勒超声检测3组术后痔血管的最大峰值流速(PSV)、最小峰值流速(EDV)、阻力指数(RI)、搏动指数(PI)及观察有无残留赘皮、有无内痔回缩不良、手术时间、愈合时间与疗效进行比较,并观察术后直肠阴道瘘、直肠尿道瘘、术后大出血、急性尿潴留等发生情况,以及肛门狭窄、肛门失禁发生情况,直肠肛管测压对肛门功能进行评价。结果3组术后均没有发生直肠阴道瘘和直肠尿道瘘,剪口结扎结合PPH组在肛门狭窄、肛门失禁和术后大出血方面均明显低于剪口结扎组(P〈0.01),在肛门狭窄、肛门失禁方面低于PPH组(P〈0.05),直肠肛管测压均优于剪口结扎组(P〈0.01)和PPH组(P〈0.05)。3组术后急性尿潴留发生情况差异无统计学意义(P〉0.05)。剪口结扎结合PPH组在术后PSV、EDV、RI、PI等方面明显低于其余2组(P〈0.05),术后残留赘皮、术后内痔回缩不良的发生例数明显少于PPH组(P〈0.05),在手术时间及愈合时间方面明显少与剪口结扎组(P〈0.05),在疗效方面优于其余2组(P〈0.05)。结论剪口结扎结合PPH术治疗混合痔有效地保护了肛垫组织,保持了肛管正常的解剖结构,不仅有更高的安全性而且具有更好有效性。 相似文献
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