目的分析经皮腰椎间盘切割术(PLD)治疗腰椎间盘突出症患者的远期疗效与生活质量,探讨影响PLD远期疗效的因素。方法采用查阅原始病案、信函、电话与走访相结合的随访方式,对2000年1月-2002年3月在我院接受PLD治疗的129例患者进行远期随...目的分析经皮腰椎间盘切割术(PLD)治疗腰椎间盘突出症患者的远期疗效与生活质量,探讨影响PLD远期疗效的因素。方法采用查阅原始病案、信函、电话与走访相结合的随访方式,对2000年1月-2002年3月在我院接受PLD治疗的129例患者进行远期随访研究。收集患者围手术期的临床资料,并对所有的患者通过Oswestry功能障碍指数(ODI)、JOA腰痛疗效评定标准以及SF-36量表进行问卷评分,对未回信者通过电话或走访进行问卷评分,使用Wilcoxon’s rank sum test、Chi-squaretest等统计方法对随访数据进行统计学分析。结果共随访到108例患者(随访率83.7%),有效问卷104份;平均随访期为(6.6±0.7)年,远期ODI均分为6.97分(总分45分),疗效优良率(ODI<20%)为71.2%;回信患者的JOA均分为(23.66±5.72)分(总分29分);所有患者的SF-36总均分为(75.88±25.57)分(总分100分),其中部分纬度的评分与ODI评分具有相关性;随访期内共有9例(8.3%)患者因疗效差而接受外科手术,未见与PLD相关的并发症;年龄、病程、出院时疗效等可能是影响远期疗效的因素。结论PLD治疗腰椎间盘突出症具有创伤小、恢复快、疗效好且稳定的特点,远期疗效及生活质量受较多因素的影响。展开更多
High pure CO2 gas was tested in different intensity through MAT253&GasBench to determine the relationship between CO2 intensity and its isotope ratio under different extractions.10 points’ trend lines show that r...High pure CO2 gas was tested in different intensity through MAT253&GasBench to determine the relationship between CO2 intensity and its isotope ratio under different extractions.10 points’ trend lines show that relative variations of 4544 are-0.06‰,-0.03‰ and-0.005‰ respectively,corresponding to the extraction values of 15%,50% and 95%,with sensitivity’s slight decreasing.The results show that extraction forms main influence on the linearity of gas isotope mass spectrometer,and that the best linearity can be found when using high percent value of extraction.Emission,trap voltage and electron energy are indirect factors to slightly affect linearity,extraction should properly match them to acquire better linearity,because they influence the ions ratio to some extent during the ionization.展开更多
文摘目的分析经皮腰椎间盘切割术(PLD)治疗腰椎间盘突出症患者的远期疗效与生活质量,探讨影响PLD远期疗效的因素。方法采用查阅原始病案、信函、电话与走访相结合的随访方式,对2000年1月-2002年3月在我院接受PLD治疗的129例患者进行远期随访研究。收集患者围手术期的临床资料,并对所有的患者通过Oswestry功能障碍指数(ODI)、JOA腰痛疗效评定标准以及SF-36量表进行问卷评分,对未回信者通过电话或走访进行问卷评分,使用Wilcoxon’s rank sum test、Chi-squaretest等统计方法对随访数据进行统计学分析。结果共随访到108例患者(随访率83.7%),有效问卷104份;平均随访期为(6.6±0.7)年,远期ODI均分为6.97分(总分45分),疗效优良率(ODI<20%)为71.2%;回信患者的JOA均分为(23.66±5.72)分(总分29分);所有患者的SF-36总均分为(75.88±25.57)分(总分100分),其中部分纬度的评分与ODI评分具有相关性;随访期内共有9例(8.3%)患者因疗效差而接受外科手术,未见与PLD相关的并发症;年龄、病程、出院时疗效等可能是影响远期疗效的因素。结论PLD治疗腰椎间盘突出症具有创伤小、恢复快、疗效好且稳定的特点,远期疗效及生活质量受较多因素的影响。
文摘High pure CO2 gas was tested in different intensity through MAT253&GasBench to determine the relationship between CO2 intensity and its isotope ratio under different extractions.10 points’ trend lines show that relative variations of 4544 are-0.06‰,-0.03‰ and-0.005‰ respectively,corresponding to the extraction values of 15%,50% and 95%,with sensitivity’s slight decreasing.The results show that extraction forms main influence on the linearity of gas isotope mass spectrometer,and that the best linearity can be found when using high percent value of extraction.Emission,trap voltage and electron energy are indirect factors to slightly affect linearity,extraction should properly match them to acquire better linearity,because they influence the ions ratio to some extent during the ionization.