目的探讨常规松解髌骨外侧支持带对保留髌骨型全膝关节置换术疗效的影响。方法本研究采用随机数字表法分为两组,本治疗组43例采用外侧支持带松解术,对照组为42例患者均未采取松解术治疗。对两组膝前痛、患者的满意程度、美国膝关节外科...目的探讨常规松解髌骨外侧支持带对保留髌骨型全膝关节置换术疗效的影响。方法本研究采用随机数字表法分为两组,本治疗组43例采用外侧支持带松解术,对照组为42例患者均未采取松解术治疗。对两组膝前痛、患者的满意程度、美国膝关节外科协会(Knee Surgery Society,KSS)膝评分和功能评分、髌骨评分以及手术后的并发症发生率等进行评估。结果在术后24个月的随访结果中发现,治疗组明显降低了膝前痛的发生率(P<0.05)。此外,两组在手术后的满意度、并发症的发生率、KSS膝评分、KSS功能评分以及髌骨评分等多个方面进行了比较,差异均无统计学意义(P>0.05)。结论常规松解髌骨外侧支持带对保留髌骨型全膝关节置换术能够减轻膝前疼痛,同时不增加手术后并发症的风险。展开更多
The mathematical model of migration of total petroleum hydrocarbons in unsaturated media was described,including convection,molecular diffusion,mechanical dispersion and adsorption,and chemical reactions.By finite ele...The mathematical model of migration of total petroleum hydrocarbons in unsaturated media was described,including convection,molecular diffusion,mechanical dispersion and adsorption,and chemical reactions.By finite element method,a numerical model of evaluating petroleum hydrocarbon migration through contaminated soils was created and applied to the environmental investigations of a relocated mechanical factory in Shanghai.The model consisted of three compacted soil layers:plain fill,sandy silt and silty clay.The results showed that pollutants in the sandy silt traveled faster than that in the plain fill and silty clay.The same decreasing trend of migration velocity was observed in all of the three soil layers.After 180 d,the concentrations of pollutants in the sandy silt can be as low as 40% of the original maximum,while its counterpart in the silty clay is 64%.展开更多
目的评估关节镜下治疗肘关节骨性关节炎伴关节僵硬的近期临床疗效。方法回顾分析2016年3月至2020年12月我们收治的20例肘关节骨关节炎伴僵硬患者,均行关节镜下关节清理和松解手术。术前、术后6个月及末次随访检查肘关节屈曲、伸直、内...目的评估关节镜下治疗肘关节骨性关节炎伴关节僵硬的近期临床疗效。方法回顾分析2016年3月至2020年12月我们收治的20例肘关节骨关节炎伴僵硬患者,均行关节镜下关节清理和松解手术。术前、术后6个月及末次随访检查肘关节屈曲、伸直、内旋、外旋活动度,采用视觉模拟评分(visual analogue score,VAS)、Mayo肘关节功能评分(Mayo elbow performance score,MEPS)、肘关节HSS评分(The hospital for special surgery scoring system,HSS)进行功能评定。结果术后所有患者获得随访,时间为9~34个月,平均22.5个月。术后随访时VAS、MEPS、HSS较术前显著改善,差异有统计学意义(P<0.05)。术后患侧肘关节伸屈、旋转功能较术前明显提高,差异有统计学意义(P<0.05)。结论关节镜下治疗肘关节骨性关节炎伴关节僵硬近期临床疗效确切,患侧肘关节功能改善明显。展开更多
文摘目的探讨常规松解髌骨外侧支持带对保留髌骨型全膝关节置换术疗效的影响。方法本研究采用随机数字表法分为两组,本治疗组43例采用外侧支持带松解术,对照组为42例患者均未采取松解术治疗。对两组膝前痛、患者的满意程度、美国膝关节外科协会(Knee Surgery Society,KSS)膝评分和功能评分、髌骨评分以及手术后的并发症发生率等进行评估。结果在术后24个月的随访结果中发现,治疗组明显降低了膝前痛的发生率(P<0.05)。此外,两组在手术后的满意度、并发症的发生率、KSS膝评分、KSS功能评分以及髌骨评分等多个方面进行了比较,差异均无统计学意义(P>0.05)。结论常规松解髌骨外侧支持带对保留髌骨型全膝关节置换术能够减轻膝前疼痛,同时不增加手术后并发症的风险。
文摘The mathematical model of migration of total petroleum hydrocarbons in unsaturated media was described,including convection,molecular diffusion,mechanical dispersion and adsorption,and chemical reactions.By finite element method,a numerical model of evaluating petroleum hydrocarbon migration through contaminated soils was created and applied to the environmental investigations of a relocated mechanical factory in Shanghai.The model consisted of three compacted soil layers:plain fill,sandy silt and silty clay.The results showed that pollutants in the sandy silt traveled faster than that in the plain fill and silty clay.The same decreasing trend of migration velocity was observed in all of the three soil layers.After 180 d,the concentrations of pollutants in the sandy silt can be as low as 40% of the original maximum,while its counterpart in the silty clay is 64%.
文摘目的评估关节镜下治疗肘关节骨性关节炎伴关节僵硬的近期临床疗效。方法回顾分析2016年3月至2020年12月我们收治的20例肘关节骨关节炎伴僵硬患者,均行关节镜下关节清理和松解手术。术前、术后6个月及末次随访检查肘关节屈曲、伸直、内旋、外旋活动度,采用视觉模拟评分(visual analogue score,VAS)、Mayo肘关节功能评分(Mayo elbow performance score,MEPS)、肘关节HSS评分(The hospital for special surgery scoring system,HSS)进行功能评定。结果术后所有患者获得随访,时间为9~34个月,平均22.5个月。术后随访时VAS、MEPS、HSS较术前显著改善,差异有统计学意义(P<0.05)。术后患侧肘关节伸屈、旋转功能较术前明显提高,差异有统计学意义(P<0.05)。结论关节镜下治疗肘关节骨性关节炎伴关节僵硬近期临床疗效确切,患侧肘关节功能改善明显。
