The contents of endogenous hormones and nutrients were determined for the ovary of normal chestnut and empty\|shell chestnut.the results showed that,the contents of endogenous GA 1+3 ,iPA\-S and the ratio of (GA 1+3 +...The contents of endogenous hormones and nutrients were determined for the ovary of normal chestnut and empty\|shell chestnut.the results showed that,the contents of endogenous GA 1+3 ,iPA\-S and the ratio of (GA 1+3 +iPA\-S)/ABA in normal chestnut ovary showed as a “Double peaks” pattern,while the content of endogenous ABA in ovary tended to reversely change by a small range.In contrast,the endogenous hormone contents and their ratio in empty\|shell chestnut ovary showed no obvious peak,the contents of endogenous GA 1+3 iPA\-s and the ratio of (GA 1+3 +iPA\-S)/ABA appeared a descending trend while the endogenous ABA content appeared an ascending trend during whole embryo developmental period.The contents of reducing sugar,starch,protein,amino acids,phosphorus and potassium in empty\|shell chestnut ovary started to decline or maintained in a declining state on the 45th day after bloom(early\|July),meanwhile,those in normal chestnut ovary tended to rise up or remained high level.It is suggested that the declines of endogenous GA 1+3 ,iPA\-S contents and the ascending of endogenous ABA content lead to the low levels of reducing sugar,starch,protein,amino acids,phosphorus and potassium in ovary,which consequently cause an empty\|shell formation.展开更多
目的探究脊柱爆裂性骨折患者外科治疗后椎体空壳体积改变的影响因素。方法回顾性分析2013年1月至2018年12月浙江省荣军医院收治的90例脊柱爆裂性骨折外科治疗后椎体空壳体积改变患者的临床资料,设为观察组。并回顾性分析同期收治的90例...目的探究脊柱爆裂性骨折患者外科治疗后椎体空壳体积改变的影响因素。方法回顾性分析2013年1月至2018年12月浙江省荣军医院收治的90例脊柱爆裂性骨折外科治疗后椎体空壳体积改变患者的临床资料,设为观察组。并回顾性分析同期收治的90例外科治疗后椎体空壳体积未改变的脊柱爆裂性骨折患者的临床资料,设为对照组。两组患者均经后路椎弓根钉棒系统复位内固定术治疗,采用单因素和logistic多因素分析脊柱爆裂性骨折患者外科治疗后椎体空壳体积改变的危险因素。结果单因素分析结果显示,观察组与对照组患者的年龄、体质量指数(body mass indeol,BMI)、合并慢性疾病、骨质疏松症、椎体压缩程度、骨折撑开复位、椎体复位程度和骨块再吸收率比较差异有统计学意义(χ~2=6.536、6.035、8.427、6.883、5.182、6.921、4.273、8.427,P均<0.05)。Logistic多因素分析结果显示,高龄、合并骨质疏松症、椎体压缩程度高、骨折过渡撑开为外科治疗后椎体空壳体积改变的危险因素(P<0.05)。结论高龄、合并骨质疏松症、椎体压缩程度高、骨折过渡撑开为外科治疗后椎体空壳体积改变的危险因素,临床应对高危患者加强监测,以积极采取治疗措施改善预后。展开更多
文摘The contents of endogenous hormones and nutrients were determined for the ovary of normal chestnut and empty\|shell chestnut.the results showed that,the contents of endogenous GA 1+3 ,iPA\-S and the ratio of (GA 1+3 +iPA\-S)/ABA in normal chestnut ovary showed as a “Double peaks” pattern,while the content of endogenous ABA in ovary tended to reversely change by a small range.In contrast,the endogenous hormone contents and their ratio in empty\|shell chestnut ovary showed no obvious peak,the contents of endogenous GA 1+3 iPA\-s and the ratio of (GA 1+3 +iPA\-S)/ABA appeared a descending trend while the endogenous ABA content appeared an ascending trend during whole embryo developmental period.The contents of reducing sugar,starch,protein,amino acids,phosphorus and potassium in empty\|shell chestnut ovary started to decline or maintained in a declining state on the 45th day after bloom(early\|July),meanwhile,those in normal chestnut ovary tended to rise up or remained high level.It is suggested that the declines of endogenous GA 1+3 ,iPA\-S contents and the ascending of endogenous ABA content lead to the low levels of reducing sugar,starch,protein,amino acids,phosphorus and potassium in ovary,which consequently cause an empty\|shell formation.
文摘目的探究脊柱爆裂性骨折患者外科治疗后椎体空壳体积改变的影响因素。方法回顾性分析2013年1月至2018年12月浙江省荣军医院收治的90例脊柱爆裂性骨折外科治疗后椎体空壳体积改变患者的临床资料,设为观察组。并回顾性分析同期收治的90例外科治疗后椎体空壳体积未改变的脊柱爆裂性骨折患者的临床资料,设为对照组。两组患者均经后路椎弓根钉棒系统复位内固定术治疗,采用单因素和logistic多因素分析脊柱爆裂性骨折患者外科治疗后椎体空壳体积改变的危险因素。结果单因素分析结果显示,观察组与对照组患者的年龄、体质量指数(body mass indeol,BMI)、合并慢性疾病、骨质疏松症、椎体压缩程度、骨折撑开复位、椎体复位程度和骨块再吸收率比较差异有统计学意义(χ~2=6.536、6.035、8.427、6.883、5.182、6.921、4.273、8.427,P均<0.05)。Logistic多因素分析结果显示,高龄、合并骨质疏松症、椎体压缩程度高、骨折过渡撑开为外科治疗后椎体空壳体积改变的危险因素(P<0.05)。结论高龄、合并骨质疏松症、椎体压缩程度高、骨折过渡撑开为外科治疗后椎体空壳体积改变的危险因素,临床应对高危患者加强监测,以积极采取治疗措施改善预后。