目的观察线缆钢板内固定治疗Vancouver B1型股骨假体周围骨折的临床疗效。方法回顾性分析自2013年6月至2016年9月在解放军463医院骨科采用切开复位、Cable-ready past system线缆钢板内固定治疗的18例Vancouver B1型股骨假体周围骨折患...目的观察线缆钢板内固定治疗Vancouver B1型股骨假体周围骨折的临床疗效。方法回顾性分析自2013年6月至2016年9月在解放军463医院骨科采用切开复位、Cable-ready past system线缆钢板内固定治疗的18例Vancouver B1型股骨假体周围骨折患者的临床资料。所有患者随访12~18个月,对未次随访情况行髋关节功能评分,评价临床效果。结果所有患者均顺利完成手术,术后常规抗生素预防感染,早期行非负重功能练习,2~3周后下床扶拐部分负重,3~6个月后逐渐脱拐正常行走。随访过程中,未见感染、内固定松动、骨折移位、骨折不愈合或延迟愈合、假体松动移位等并发症。未次随访髋关节功能Harris评分:优9例,良7例,可2例,优良率88.9%。结论线缆钢板内固定治疗Vancouver B1型股骨假体周围骨折方法简单,固定牢固可靠,临床效果满意。展开更多
目的:探讨微创内固定系统(LISS)结合唑来膦酸治疗股骨粗隆间骨折经股骨近端防旋髓内钉(PFNA)术后发生的Vancouver C型骨折的临床疗效。方法:回顾性分析2017年6月至2019年4月我院收治的26例股骨粗隆间骨折PFNA术后Vancouver C型骨折患者...目的:探讨微创内固定系统(LISS)结合唑来膦酸治疗股骨粗隆间骨折经股骨近端防旋髓内钉(PFNA)术后发生的Vancouver C型骨折的临床疗效。方法:回顾性分析2017年6月至2019年4月我院收治的26例股骨粗隆间骨折PFNA术后Vancouver C型骨折患者的临床资料。按照治疗方式分为观察组(14例,经皮LISS结合唑来膦酸)和对照组(12例,单纯经皮LISS)。评估2组患者下床活动时间(术后卧床至初次进行床下活动时间)、骨折愈合时间,术后1年血清钙、碱性磷酸酶浓度,术后1年2组患者股骨近端骨密度(bone mineral density,BMD)、VAS评分及膝关节功能评分(Hospital for Special Surgery,HSS)及并发症发生情况。结果:观察组患者下床活动时间和骨折愈合时间均明显低于对照组(P<0.05)。术后1年,观察组VAS评分低于对照组(P<0.05),HSS评分高于对照组(P<0.05),血清钙和碱性磷酸酶浓度明显低于对照组(P<0.05),BMD高于对照组(P<0.05);2组患者并发症情况相比较,差异无统计学意义(P>0.05)。结论:经皮LISS结合唑来膦酸治疗股骨粗隆间骨折PFNA术后Vancouver C型骨折能够有效促进骨折愈合,抑制骨量丢失,具有临床指导价值。展开更多
Stable isotope analysis was used to determine the relative dietary importance of kelp-derived detritus to plankton and benthic organisms along a gradient of kelp abundance driven by recovering sea otter populations al...Stable isotope analysis was used to determine the relative dietary importance of kelp-derived detritus to plankton and benthic organisms along a gradient of kelp abundance driven by recovering sea otter populations along the west coast of Vancouver Island (WCVI), Canada. The study used region-specific kelp isotope values (<i>δ</i><sup>13</sup>C and <i>δ</i><sup>15</sup>N) and season-specific phytoplankton isotope values to model dietary contributions of kelp-derived detritus (KDD). In general, KDD contributions were moderate to high in most plankton size fractions during the summer and decreased during the winter, particularly in the kelp sparse region. Hypothesized regional and spatial (distance from the coast) differences in kelp detritus contributions to zooplankton w<span style="white-space:normal;"><span style="font-family:;" "="">ere</span></span><span style="white-space:normal;"><span style="font-family:;" "=""> not evident. Modeled estimates of the KDD contribution to benthic invertebrates w</span></span><span style="white-space:normal;"><span style="font-family:;" "="">ere</span></span><span style="white-space:normal;"><span style="font-family:;" "=""> high (>40%) and independent of the organism size, among regions and between seasons, with the exception of <i>Astraea gibberosa</i> in the kelp abundant region. Local oceanography, natural kelp isotope signature variation, and significant overlap between kelps’ and blooming phytoplankton isotope values led to a large uncertainty in the assessed KDD contributions in benthic organisms. These results highlighted the importance of the KDD as a widespread and stable year-round food source in coastal kelp populated regions.</span></span>展开更多
文摘目的:探讨微创内固定系统(LISS)结合唑来膦酸治疗股骨粗隆间骨折经股骨近端防旋髓内钉(PFNA)术后发生的Vancouver C型骨折的临床疗效。方法:回顾性分析2017年6月至2019年4月我院收治的26例股骨粗隆间骨折PFNA术后Vancouver C型骨折患者的临床资料。按照治疗方式分为观察组(14例,经皮LISS结合唑来膦酸)和对照组(12例,单纯经皮LISS)。评估2组患者下床活动时间(术后卧床至初次进行床下活动时间)、骨折愈合时间,术后1年血清钙、碱性磷酸酶浓度,术后1年2组患者股骨近端骨密度(bone mineral density,BMD)、VAS评分及膝关节功能评分(Hospital for Special Surgery,HSS)及并发症发生情况。结果:观察组患者下床活动时间和骨折愈合时间均明显低于对照组(P<0.05)。术后1年,观察组VAS评分低于对照组(P<0.05),HSS评分高于对照组(P<0.05),血清钙和碱性磷酸酶浓度明显低于对照组(P<0.05),BMD高于对照组(P<0.05);2组患者并发症情况相比较,差异无统计学意义(P>0.05)。结论:经皮LISS结合唑来膦酸治疗股骨粗隆间骨折PFNA术后Vancouver C型骨折能够有效促进骨折愈合,抑制骨量丢失,具有临床指导价值。
文摘Stable isotope analysis was used to determine the relative dietary importance of kelp-derived detritus to plankton and benthic organisms along a gradient of kelp abundance driven by recovering sea otter populations along the west coast of Vancouver Island (WCVI), Canada. The study used region-specific kelp isotope values (<i>δ</i><sup>13</sup>C and <i>δ</i><sup>15</sup>N) and season-specific phytoplankton isotope values to model dietary contributions of kelp-derived detritus (KDD). In general, KDD contributions were moderate to high in most plankton size fractions during the summer and decreased during the winter, particularly in the kelp sparse region. Hypothesized regional and spatial (distance from the coast) differences in kelp detritus contributions to zooplankton w<span style="white-space:normal;"><span style="font-family:;" "="">ere</span></span><span style="white-space:normal;"><span style="font-family:;" "=""> not evident. Modeled estimates of the KDD contribution to benthic invertebrates w</span></span><span style="white-space:normal;"><span style="font-family:;" "="">ere</span></span><span style="white-space:normal;"><span style="font-family:;" "=""> high (>40%) and independent of the organism size, among regions and between seasons, with the exception of <i>Astraea gibberosa</i> in the kelp abundant region. Local oceanography, natural kelp isotope signature variation, and significant overlap between kelps’ and blooming phytoplankton isotope values led to a large uncertainty in the assessed KDD contributions in benthic organisms. These results highlighted the importance of the KDD as a widespread and stable year-round food source in coastal kelp populated regions.</span></span>