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find Author "于学忠" 3 results
  • CORRELATION OF CLINICAL OUTCOME AND SPINOPELVIC SAGITTAL ALIGNMENT AFTER SURGICAL POSTERIOR INTERVERTEBRAL FUSION COMBINED WITH PEDICLE SCREW FIXATION FOR LOW-GRADE ISTHMIC LUMBAR SPONDYLOLISTHESIS

    Objective To investigate the effect of the sagittal alignment of the spine and pelvis after surgical posterior intervertebral fusion combined with pedicle screw fixation for low-grade isthmic lumbar spondylolisthesis, and to assess the effectiveness. Methods Between October 2009 and October 2011, 30 patients with low-grade isthmic spondylolisthesis underwent surgical posterior intervertebral fusion combined with pedicle screw fixation, and the clinical data were retrospectively reviewed. There were 14 males and 16 females with an average age of 56.7 years (range, 48-67 years). The pre- and post-operative radiographic parameters, such as percentage of slipping (PS), intervertebral space height, angle of slip (AS), thoracic kyphosis (TK), thoracolumbar junction angle (TLJ), sagittal vertical axis (SVA), lumbar lordosis (LL), spino-sacral angle (SSA), sacral slope (SS), pelvic tilt (PT), and pelvic incidence (PI) were measured. The functional evaluation was made using the Oswestry Disability Index (ODI). Pearson correlation were used to investigate the association between all parameters and ODI score. Results PS, intervertebral space height, AS, and ODI were improved significantly compared with properative ones (P lt; 0.05). Significant differences were found in the other parameters between pre- and post-operation (P lt; 0.05) except TLJ and TK. The alteration of SVA showed significant correlation with the changes of PS, PI, PT, LL, SS, AS, SSA, and ODI. The alteration of SSA showed significant correlation with the changes of PS, PI, LL, SS, AS, PT, and ODI. Conclusion Surgical posterior intervertebral fusion combined with pedicle screw fixation for low-grade isthmic spondylolisthesis can effectively improve and maintain the spinal sagittal parameters. SVA and SSA are adequate to evaluate pre-and post-operative balance. The good clinical outcome is closely related with the improved of SVA and SSA.

    Release date:2016-08-31 04:05 Export PDF Favorites Scan
  • Analysis of long-term effect on cardiopulmonary resuscitation skills in medical students with different training methods

    ObjectiveTo analyze the long-term effect on cardiopulmonary resuscitation skill between video-led and scene simulation training and traditional instructor-led courses in medical student with eight-year program.MethodsNinety-nine medical students with eight-year program who studied in Peking Union Medical College were trained in cardiopulmonary resuscitation skill from January to February 2018. They were randomly divided into two groups, 53 students participated in basic life support course training, which belonged to video-led and scene simulation training as the trial group, and 46 students were trained by traditional instructor-led courses as the control group. In January 2019, the above 99 students were re-evaluated for cardiopulmonary resuscitation, and the outcome of cardiopulmonary resuscitation skill test in total scores and sub-items scores between two groups were compared. The data were analyzed using t test and Wilcoxon rank sum test.ResultsThe total average scores of the trial group (8.02±1.11) was higher than that of the control group (6.85±1.50) (P<0.05). The sub-items scores of the trial group in the three aspects of on-site assessment, chest compressions and simple respirators (1.64±0.37, 3.38±0.46, 1.52±0.58) were higher than those of the control group (1.33±0.45, 2.80±0.76, 1.19±0.58) (P<0.05). In terms of opening airway, there was no significant difference in scores between the two groups (1.02±0.47 vs. 1.10±0.45, P>0.05). The excellent rate of the trial group (60.3%) was significantly higher than that of the control group (30.4%) (P<0.05), and the unqualified rate (5.6%) was significantly lower than that of the control group (21.7%) (P<0.05).ConclusionsThe video-led and scene simulation training has a better effect on cardiopulmonary resuscitation skills acquisition and long-term maintenance than traditional instructor-led courses for medical student with eight-year program.

    Release date:2019-12-12 04:12 Export PDF Favorites Scan
  • 呼气末二氧化碳监测技术在无效腔分析中的应用:从基础到临床

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