RESUMEN
Objective@#The incidence and mortality of gallbladder cancer from Chinese cancer registries in 2014 were analyzed to describe the prevalence of gallbladder cancer in China.@*Methods@#Incidence and mortality data of gallbladder cancer in 2014 derived from registration data in 2017, collected by the National Central Cancer Registry (NCCR). Qualified data from 339 cancer registries were calculated after evaluating. According to the national population data of 2014, the gallbladder cancer incidence and mortality of China in 2014 were stratified by the area, gender and age.The age composition of standard population of Chinese census in 2000 and Segi′s population were used for age-standardizes incidence and mortality in China and worldwide.@*Results@#339 cancer registries cover a total of 288 243 347 population including 146 203 891 males and 142 039 456 females (144 061 915 in urban and 144 181 432 in rural areas). The mortality to incidence ratio of gallbladder cancer was 0.74. The morphologically verified cases (MV%) and death certificate-only cases (DCO%) were 48.38% and 2.66%, respectively. Unclear diagnosis cases (UB%) was 0.48%. The crude incidence of gallbladder cancer in China in 2014 was 3.82/100 000, which accounted for 1.37% of new cancer cases (4.48/100 000 in urban areas and 3.01/100 000 in rural areas, 3.59/100 000 for male and 4.05/100 000 for female). Age-standardized incidence rates by Chinese standard population (ASR China) and world standard population (ASR world) were 2.38/100 000 and 2.37/100 000, respectively, and the cumulative incidence rate (0-74 age years old) was 0.27%.Besides, the crude mortality of gallbladder cancer was 2.86/100 000 (3.47/100 000 in urban areas and 2.12/100 000 in rural areas, 2.59/100 000 for male and 3.14/100 000 for female). Age-standardized mortality rates by ASR China and ASR world were 1.72/100 000 and 1.71/100 000, with a cumulative mortality rate (0-74 age years old) of 0.19%.@*Conclusion@#The incidence and mortality of gallbladder cancer were significantly different between the city and country, while not obviously different between the female and male.
RESUMEN
BACKGROUND:Laminoplasty and laminectomy are the most commonly used treatment methods for multilevel cervical spondylotic myelopathy, which is more common in elderly patients. C5 nerve root palsy is the common postoprative complication after posterior cervical repair. OBJECTIVE:To compare the incidence of C5 nerve root palsy after laminoplasty with mini-titanium plate fixation and laminectomy with internal fixation in repair of multilevel cervical spondylotic myelopathy. METHODS:Total y 134 patients with multilevel cervical spondylotic myelopathy from August 2010 to December 2014 were enrol ed, and then divided into laminoplasty group (n=45) and laminectomy group (n=89) owing to different ways of repair. Patients in the laminoplasty group were treated with laminoplasty with mini-titanium plate fixation, and patients in the laminectomy group were treated with laminectomy with internal fixation. C5 nerve root palsy condition after repair was recorded and evaluated. The cervical lordosis angle (Cobb angle) and cervical curvature index were compared. The Japanese Orthopaedic Association score was used for neurological assessment. RESULTS AND CONCLUSION:Al patients in both groups were fol owed up for more than 6 months. There were no significant differences in cervical lordotic angle and cervical curvature index at the first week before and after the treatment between these two groups (P>0.05). The Japanese Orthopaedic Association scores of patients after 6 months of treatment were significantly improved compared with that before treatment in these two groups (P<0.05). There were 2 cases of C5 nerve root palsy after the treatment of laminoplasty, the occurrence rate was 4%(2/45);there were 10 cases of C5 nerve root palsy after the treatment of laminectomy, the occurrence rate was 11%(10/89);there was significant difference between these two groups (P<0.05). These results suggest that compared with laminectomy fixation, the incidence of C5 nerve root palsy was lower after the laminoplasty with mini-trianium plate fixation, which can be widely used in decompression repair treatment of multilevel cervical spondylotic myelopathy.
RESUMEN
[Objective]Design the Static Three Dimensional Screw-Plate system(STDSP), bring a new instrument for the treatment of femoral neck fractures, which has good biome chanical features of axial loading and rotation stability and can reestablish the loss of support of the posterior neck of fracture with posterior comminution. [Method]Design the STDSP. To the fracture group,one femur of each pair was randomly selected to be stabilized by STDSP, and the other was fixed by the three cancellous lag screws(TCS). Then the constructions were tested with axial loading or rotation to failure. The intact group were fixed and then taken out with the two methods, then tested with axial loading. [Result] (1)Rotation test: Compare the loads of the same rotation angle and the loads of the same width the anterior gap of the osteotomy open, STDS group is bigger than TCS group(PTCS group (P