排序方式: 共有58条查询结果,搜索用时 0 毫秒
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目的探讨防旋股骨近端髓内钉(PFNA)治疗老年骨质疏松性股骨转子间骨折的初期疗效。方法对31例老年骨质疏松性股骨转子间骨折患者行PFNA治疗,其中闭合复位28例,切开复位3例。结果2例术后3个月内死于非内植物相关原因,另29例获5-28(14.2±7.5)个月随访,其中26例患肢基本恢复到伤前功能,3例较伤前减退。骨折均获临床愈合,愈合时间(11.9±1.6)周。1例术后早期出现大腿近端疼痛,1例肺部感染。末次随访时Harris髋关节评分(85.8±5.4)分。结论PFNA治疗老年骨质疏松性股骨转子问骨折具有操作简单、创伤小、内固定牢靠、可早期功能锻炼及术后并发症少等优点,疗效满意。 相似文献
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BACKGROUND: The pathogenesis of knee intraarticular adhesion is yet unknown. Excessive proliferation of fibroblasts is considered to cause knee intraarticular adhesion.
OBJECTIVE: To study the preventive effects of methotrexate on knee intraarticular adhesion through fibroblast apoptosis induced by endoplasmic reticulum stress.
METHODS: The viability of the cultured fibroblasts treated with methotrexate (10-5-10-9mol/L) or PBS was determined after 24 hours. Fibroblast apoptosis was detected by Hoechst33342 staining. Endoplasmic reticulum stress- and apoptosis-related proteins, including cleaved-PARP, CHOP, Bax and Bcl-2, were determined by western blot assay. Eighteen healthy male New Zealand white rabbits were used to establish the knee intraarticular adhesion models, and equally randomized into three groups, and received topical application of 2 or 1 g/L methotrexate, or normal saline (control). The preventive effects of methotrexate on knee intraarticular adhesion and CHOP expression in scar tissue were observed.
RESULTS AND CONCLUSION: Methotrexate inhibited the proliferation and viability of fibroblasts in a dose-dependent manner. The number of apoptotic fibroblasts was significantly increased compared with control group. Protein expression of cleaved-PARP, CHOP, and bax was increased, while protein expression of bcl-2 was decreased with time. The animal experiment showed that preventive effects of 2 g/L methotrexate on knee intraarticular adhesion were superior to 1 g/L methotrexate treatment. CHOP expression in the scar tissue in the methotrexate groups was higher than the control group and that was higher in high-dose methotrexate group. Our results suggest that methotrexate prevents knee intraarticular adhesion via endoplasmic reticulum stress-induced fibroblast apoptosis.
中国组织工程研究杂志出版内容重点:组织构建;骨细胞;软骨细胞;细胞培养;成纤维细胞;血管内皮细胞;骨质疏松;组织工程 相似文献
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背景:浮肩损伤在创伤疾病中较罕见,关于其治疗方法存在较多争议,至今仍无权威性的临床指导供学者达成共识。
目的:对采取保守与手术治疗浮肩损伤的疗效进行系统评价。
方法:通过计算机检索CNKI数据库,Web of Science数据库,以“floating shoulder”或“浮肩损伤”为关键词。收集所有相关对照试验,并评价纳入研究的方法学质量。采用RevMan4.2软件进行Meta分析,观察森林图显示的分析特征和结果。
结果与结论:无论保守还是手术治疗均可取得满意的治疗效果;两种治疗方法相比较,在疗效获优方面,手术治疗稍占优势;在总体疗效优良方面,保守与手术治疗两者效果相当。 相似文献
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背景:浮肩损伤在创伤疾病中较罕见,关于其治疗方法存在较多争议,至今仍无权威性的临床指导供学者达成共识。
目的:对采取保守与手术治疗浮肩损伤的疗效进行系统评价。
方法:通过计算机检索CNKI数据库,Web of Science数据库,以“floating shoulder”或“浮肩损伤”为关键词。收集所有相关对照试验,并评价纳入研究的方法学质量。采用RevMan4.2软件进行Meta分析,观察森林图显示的分析特征和结果。
结果与结论:无论保守还是手术治疗均可取得满意的治疗效果;两种治疗方法相比较,在疗效获优方面,手术治疗稍占优势;在总体疗效优良方面,保守与手术治疗两者效果相当。 相似文献