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Objective:To study the early effect of arthroscopy in the treatment of obsolete traumatic subscapularis tears.Methods:A retrospective case series study was used to analyze the clinical data of 28 patients with obsolete traumatic subscapularis tears admitted to Second People 's Hospital of Changzhou City from July 2017 to July 2020，including 16 males and 12 females，aged 47-72 years［（60.5±6.3）years］. According to Lafosse classification，the injury size was upper one third tear in 9 patients，upper half tear in 18 and complete tear in 1. According to Patte classification of the degree of retraction，4 patients were with no retraction，7 with retraction to the level of the lesser tuberosity，14 with retraction to the level of the humeral head，and 3 with retraction to the level of the glenoid. According to Goutallier classification，the level of fatty infiltration was at grade 0-1 in 17 patients，at grade 2 in 10 and at grade 3-4 in 1. All patients were repaired by arthroscopic surgery. The wound healing was observed at 2 weeks postoperatively. The visual analogue score（VAS），University of California at Los Angeles（UCLA）shoulder rating score，shoulder active forward elevation（AFE），active external rotation（AER），active internal rotation（AIR）were assessed before operation and at 3 months and 6 months postoperatively. Six months after operation，reexamination of the front and side view of the shoulder and MRI of the shoulder were performed to assess the recovery of the subscapular tendon. Results:All patients were followed up for 6-12 months［（8.7±1.3）months］. All wounds healed 2 weeks after operation，with no infection occurred. The VAS was（3.5±0.7）points and（2.6±0.5）points at 3 months and 6 months postoperatively，lower than（6.3±1.2）points before operation（ P<0.01）. The UCLA score was（20.4±2.5）points and（25.6±6.2）points at 3 months and 6 months postoperatively，higher than（9.5±1.7）points before operation（ P<0.01）. The preoperative range of motion of the affected shoulder in AFE，AER and AIR was（80.2±12.6）°，（52.5±7.6）°，（3.7±1.2）°，respectively. Three months after operation，the range of motion was（113.2±7.5）°，（60.1±6.3）°，（6.8±1.6）°，respectively. Six months after operation，the range of motion was（122.3±15.2）°，（65.6±10.5）°，（7.8±2.3）°，respectively. The range of motion of the affected shoulder at 3 months and 6 months postoperativley was better than that before operation（ P<0.01）. Six months after operation，MRI showed good recovery in 27 patients，while a small re-tear in 1 patient（Goutallier classification grade 3）. Conclusion:For patients with obsolete traumatic subscapularis tears，arthroscopic repair can significantly relieve the pain，and recover range of motion and function of the joint.
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Objective@#To analyze the treatment effect of patients with glioblastoma (GBM) and explore prognostic factors.@*Methods@#The clinical data of 635 patients diagnosed as GBM at Neurosurgical Oncology Department Ⅳ of Beijing Tiantan Hospital, Capital Medical University from January 2007 to March 2018 were retrospectively reviewed. There were 386 males and 249 females with an age of (48.7±11.8) years (range: 18-75 years). Patients were divided into three groups according to the time of admission: 2007-2010 group(n=174), 2011-2014 group (n=237) and 2015-2018 group (n=224). Kaplan-Meier plot was used to analyze the effects of different treatment periods, treatment schemes and clinical factors on the survival of patients with GBM. Cox proportion hazard regression analysis was used to identify independent prognostic factors.@*Results@#The median progression-free survival (PFS) and overall survival (OS) of patients in 2007-2010 group, 2011-2014 group, 2015-2018 group was 9.0 months (95% CI: 7.5-10.5), 10.0 months (95% CI: 8.8-11.2), 12.0 months (95% CI: 10.7-13.3) and 17.0 months (95% CI: 13.2-20.8), 20.0 months (95% CI: 16.9-23.1), 23.0 months(95% CI: 17.5-28.5), respectively. The PFS and OS of patients improved significantly over the years (χ2=9.693, P=0.008 and χ2=8.616, P=0.013). Multivariate survival analysis showed that age, extent of resection, radiotherapy and tumor distant dissemination were independent prognostic factors (all P<0.05).@*Conclusions@#With the continuous development of clinical treatment regimen, the therapeutic effect of Chinese GBM patients has improved remarkably. Age, extent of resection, radiotherapy and tumor distant dissemination are independent prognostic factors associated with survival time.