目的对比观察全膝关节置换术(TKA)中是否使用止血带的临床效果。方法回顾性分析2018年1月至2021年1月湘乡市人民医院收治的98例TKA术患者的临床资料。根据是否使用止血带将患者分为非止血带组(46例)和止血带组(52例)。比较两组围术期相...目的对比观察全膝关节置换术(TKA)中是否使用止血带的临床效果。方法回顾性分析2018年1月至2021年1月湘乡市人民医院收治的98例TKA术患者的临床资料。根据是否使用止血带将患者分为非止血带组(46例)和止血带组(52例)。比较两组围术期相关指标、术后视觉模拟评分法(VAS)评分、膝关节肿胀率、并发症发生率、膝关节功能及假体稳定性。结果两组手术时间、假体安放时间、骨水泥硬化时间及骨水泥渗入深度比较,差异未见统计学意义(P>0.05);与止血带组比较,非止血带组术中出血量较多,隐性失血量较少,术后3 d血红蛋白降幅较小(P<0.05);非止血带组术后1 d VAS评分低于止血带组,术后1、3 d膝关节肿胀率低于止血带组(P<0.05);非止血带组术后并发症发生率低于止血带组,但差异未见统计学意义(P>0.05);术后1个月,非止血带组美国特种外科医院评分高于止血带组(P<0.05);术后1个月、3个月、1年,X线复查显示两组均无假体松动出现。结论相对于止血带下TKA,TKA不采用止血带能有效减少术后隐性失血量,减轻术后膝关节疼痛及膝关节肿胀程度,且不会影响假体早期稳定性。展开更多
Global climate change and its possible ecological consequences have become the focused issue(IPCC,2007;Mann et al.,2008;Ding et al.,2009).The Holocene contains the analogous characteristic of future climatic change an...Global climate change and its possible ecological consequences have become the focused issue(IPCC,2007;Mann et al.,2008;Ding et al.,2009).The Holocene contains the analogous characteristic of future climatic change and the continuous agriculture activity,providing the ideal"similar pattern"for studying the climate change and human adaption and impact in the future.Based on the recent studies of stalagmite,ice core,ocean,and lake etc.,the paper introduces the new progress in the Holocene climate and agriculture research in China as follows:(1)Discuss the variability,amplitude,and unstable characteristic of climate,as well as the abrupt events and mechanisms of climate.(2)Analyze the botanical index records for studying the early agriculture.(3)Review the agricultural origin,expanding,and development.(4)Reveal the style and intensity of early agriculture and understand the agricultural impact and adaption to the environmental changes.(5)Introduce ongoing research projects in China and emphasize the significance of increasing the dating precision and the indicative effectiveness of proxies.(6)Realize how the ecosystem and environmental factors respond to the increasing temperature process,understand how the human adapt to the rapid climate change,and provide the scientific basis for assessing the effects of climate change and the human adaption in the future.展开更多
文摘目的对比观察全膝关节置换术(TKA)中是否使用止血带的临床效果。方法回顾性分析2018年1月至2021年1月湘乡市人民医院收治的98例TKA术患者的临床资料。根据是否使用止血带将患者分为非止血带组(46例)和止血带组(52例)。比较两组围术期相关指标、术后视觉模拟评分法(VAS)评分、膝关节肿胀率、并发症发生率、膝关节功能及假体稳定性。结果两组手术时间、假体安放时间、骨水泥硬化时间及骨水泥渗入深度比较,差异未见统计学意义(P>0.05);与止血带组比较,非止血带组术中出血量较多,隐性失血量较少,术后3 d血红蛋白降幅较小(P<0.05);非止血带组术后1 d VAS评分低于止血带组,术后1、3 d膝关节肿胀率低于止血带组(P<0.05);非止血带组术后并发症发生率低于止血带组,但差异未见统计学意义(P>0.05);术后1个月,非止血带组美国特种外科医院评分高于止血带组(P<0.05);术后1个月、3个月、1年,X线复查显示两组均无假体松动出现。结论相对于止血带下TKA,TKA不采用止血带能有效减少术后隐性失血量,减轻术后膝关节疼痛及膝关节肿胀程度,且不会影响假体早期稳定性。
基金supported by the CAS Strategic Priority Research Program(Grant No.XDA01020304)National Natural Science Foundation of China(Grant No.41172161)National Basic Research Program of China(Grant No.2010CB950204)
文摘Global climate change and its possible ecological consequences have become the focused issue(IPCC,2007;Mann et al.,2008;Ding et al.,2009).The Holocene contains the analogous characteristic of future climatic change and the continuous agriculture activity,providing the ideal"similar pattern"for studying the climate change and human adaption and impact in the future.Based on the recent studies of stalagmite,ice core,ocean,and lake etc.,the paper introduces the new progress in the Holocene climate and agriculture research in China as follows:(1)Discuss the variability,amplitude,and unstable characteristic of climate,as well as the abrupt events and mechanisms of climate.(2)Analyze the botanical index records for studying the early agriculture.(3)Review the agricultural origin,expanding,and development.(4)Reveal the style and intensity of early agriculture and understand the agricultural impact and adaption to the environmental changes.(5)Introduce ongoing research projects in China and emphasize the significance of increasing the dating precision and the indicative effectiveness of proxies.(6)Realize how the ecosystem and environmental factors respond to the increasing temperature process,understand how the human adapt to the rapid climate change,and provide the scientific basis for assessing the effects of climate change and the human adaption in the future.