Objective To explore the protective effect of Sijunzi decoction and Danggui Buxue decoction on the immunological function in tumor-bearing mice treated by cyclophosphamide.Methods Transplantable carcinomas animal model were constructed by inoculating tumor cell to mice for 24 hours,and randomly divided into five groups.Tumor-bearing control group were reveived normal saline 0.2 mL per mice one day by intraperitoneal injection,and normal saline 0.4 mL per mice each day by intragastric administration.Cyclophosphamide group were reveived CTX 20 mg per kg weight each day,and normal saline 0.4 mL per mice each day.Sijunzi decoction and Danggui Buxue Decoction low dose group were reveived CTX 20 mg per kg weight each day and traditional Chinese medicine 0.1 g per mice each day.Sijunzi decoction and Danggui Buxue Decoction mediate dose group were reveived CTX 20 mg per kg weight each day and traditional Chinese medicine 0.2 g per mice each day.Sijunzi decoction and Danggui Buxue Decoction high dose group were reveived CTX 20 mg per kg weight each day and traditional Chinese medicine 0.4 g per mice each day.The weight indices of thymus gland and spleen,NK-cell activity and the proliferation of T-lymphocyte in five groups were measured after ten 10 days treatment.Results The weight indices of thymus gland and spleen,NK-cell activity and the proliferation of T- lymphocyte were increased in all three Sijunzi decoction and Danggui Buxue decoction groups,especially in Sijunzi decoction and Danggui Buxue decoction mediate and high dose group,the differences between them and CTX group were statistically significan(P<0.05,P<0.01).Conclusion Sijunzi decoction and Danggui Buxue decoction can antagonize the decrease of immunological function in tumor-bearing mice treated by chemotherapy.

Objective: To investigate the age related changes in cervical range of motion (CROM) and its relationship with cervical spondylosis in school students aged 12-18 in Nanyang City, to provide reference for prevention, early diagnosis and treatment evaluation of cervical spondylosis. Methods: Stratified sampling was adopted in 13 counties and districts of Nanyang City and 890 students aged 12-18 were assessed for CROM using the Coda Motion Analyzer. SPSS 19.0 was used to data analyze. Results: A decreasing trend was observed in CROM among boys and girls aged 12-18 years in Nanyang. For boys aged 15 and 18 years old, higher anterior flexion ( t =2.02, 2.70), posterior extension ( t =2.01, 2.81), left flexion ( t =3.51, 2.99), right flexion ( t =5.07, 2.66), sinistral ( t =2.28, 2.92) and dextral ( t =2.91,3.60) were found compared with younger age groups ( P <0.05). Similar findings were found in girls aged 15 and 18-years old [anterior flexion ( t =2.38, 2.20), posterior extension ( t =2.09,2.02), left flexion ( t =2.33, 2.55), right flexion ( t =7.34, 4.60), sinistral ( t =3.73, 2.35) and dextral ( t =2.31, 3.99, P <0.05). Except for the right flexion, the CROM of boys in was higher than that of girls at the same age group. The prevalence of cervical spondylosis showed an increasing trend (boys: χ 2 trend =13.93, girls: χ 2 trend =12.87, P <0.05). Except for 14-year-old group, the prevalence of cervical spondylosis in girls was higher than that in boys, with significant differences observed in 15 and 17-year-old groups ( χ 2=10.35, 9.64, P <0.05). Conclusion With the increase of age, the CROM of male and female students shows a downward trend in general. The prevalence of cervical spondylosis increases with the decrease of CROM. CROM measurement is conducive to the prevention, early diagnosis and treatment of juvenile cervical spondylosis.

Alzheimer's disease (AD) is a dementia-type neurodegenerative disease with an increasing incidence in elderly population and a poor prognosis. Therefore, the early diagnosis technology of AD urgently needs to be improved. In this paper, the laboratory diagnostic technologies of Alzheimer's disease were reviewed in the field of neuropsychological assessment, neuroimaging technology, and biomarker detection, including the simple intelligence state scale, the Montreal cognitive assessment scale, the memory and executive function screening scale, structural MRI, and functional MRI, positron emission computed tomography, MRI-based artificial intelligence analysis, and β amyloid (Aβ), homocysteine, S100B protein, Aβ 42, tau protein, urine AD-related neurofilament protein (AD7c-NTP) and Aβ plaques in the retinas. The limitations of these technologies were analyzed, and the development trends of the technologies were summarized. In order to improve the efficiency of AD screening, it is necessary to build an early diagnosis system for AD, in which multimodal diagnosis technology should be used to distinguish different types of AD.

Objective:To investigate the risk factors of refracture of the injured vertebrae after percutaneous vertebral augmentation for acute symptomatic thoracolumbar osteoporotic compression fractures (ASTOCFs).Methods:A case-control study was conducted to analyze the clinical data of 2 237 ASTOCFs patients admitted to three hospitals from January 2010 to January 2019. There were 569 males and 1 668 females, with age range of 50-85 years [(66.7±4.8)years]. The patients underwent percutaneous vertebroplasty (PVP) or percutaneous kyphoplasty (PKP). According to the radiographic outcomes, the patients were divided into refracture group ( n=315) and non-refracture group ( n=1 922). Data were recorded for the two groups, including basic demographics (gender, age, height and weight), personal habits (smoking and alcohol consumption), basic diseases (diabetes, hypertension, coronary heart disease and chronic obstructive pulmonary disease), preoperative bone mineral density, fracture segment, number of injured vertebrae, surgical method (PVP or PKP), surgical approach, bone cement viscosity, distance from cement to the upper and lower endplate, cement volume in injured vertebrae, cement leakage, postoperative exercise, and postoperative anti-osteoporosis treatment. The above data were analyzed to identify their correlation with postoperative refracture of the injured vertebrae by univariate analysis. The independent risk factors for postoperative refracture of the injured vertebrae were determined by multivariate Logistic regression analysis. Results:Univariate analysis showed that refracture of injured vertebrae was correlated with gender, age, diabetes, fracture segment, surgical method, distance from cement to the upper and lower endplate, postoperative exercise, and postoperative anti-osteoporosis treatment ( P<0.05 or 0.01), but there was no correlation with height, weight, smoking, alcohol consumption, hypertension, coronary heart disease, chronic obstructive pulmonary disease, preoperative bone mineral density, number of fractured vertebrae, surgical approach, bone cement viscosity, cement volume in injured vertebrae or cement leakage (all P>0.05). Multivariate Logistic regression analysis showed that female ( OR=1.92, 95% CI 1.34-2.64, P<0.01), age ≥80 years ( OR=1.21, 95%CI 1.17-1.25, P<0.01), diabetes ( OR=1.92, 95% CI 0.44-2.55, P<0.01), thoracolumbar fracture ( OR=1.46, 95% CI 1.82-7.51, P<0.05), PKP ( OR=4.56, 95% CI 0.86-1.44, P<0.05), no postoperative exercise ( OR=2.14,95% CI 0.27-0.38, P<0.01), and no postoperative anti-osteoporosis treatment ( OR=2.36,95% CI 0.13-0.47, P<0.05) were positively correlated with refracture of injured vertebrae. Conclusion:Female, age ≥80 years, diabetes, thoracolumbar fracture, PKP, no postoperative exercise, and no postoperative anti-osteoporosis treatment are independent risk factors for refracture of injured vertebrae after percutaneous vertebral augmentation for ASTOCFs.

Objective:To investigate whether there is a correlation between right bundle branch block (RBBB) and nonalcoholic fatty liver disease (NAFLD) in patients with type 2 diabetes mellitus.Methods:A retrospective analysis of 226 patients with type 2 diabetes mellitus who were admitted to the Fifth Affiliated Hospital of Zhengzhou University from March 2018 to July 2019 was performed. According to the results of electrocardiogram examination, they were divided into RBBB group ( n=58 patients) and non-RBBB group ( n=168 patients). The general clinical data of the two groups of patients were collected, blood lipids, liver function, renal function, coagulation function and other related indicators were measured on the fasting of the next morning. The diagnosis of NAFLD is based on ultrasound. Logistic regression analysis was performed on factors that may affect RBBB. Results:Of the 226 patients with type 2 diabetes mellitus, 127 (56.2%) were male and 99 (43.8%) were female. The composition of male, age, diabetes duration, hypertension, fibrinogen (FIB), serum creatinine (SCr), alanine aminotransferase (ALT), and NAFLD in the RBBB group was higher than that in the non-RBBB group ( P<0.05). The levels of total cholesterol (TC), low-density lipoprotein cholesterol (LDL-C) and albumin (ALB) in the RBBB group were lower than those in the non-RBBB group ( P<0.05). Logistic regression analysis showed that male ( OR=2.736, 95% CI: 1.075-5.251, P=0.032), advanced age ( OR=1.049, 95% CI: 1.009-1.090, P=0.016), higher serum creatinine levels ( OR=1.045, 95% CI: 1.021-1.070, P<0.001), and NAFLD ( OR=2.834, 95% CI: 1.166-6.891, P=0.022) were independent risk factors of RBBB in patients with type 2 diabetes mellitus. Conclusions:NAFLD may be associated with an increased risk of right bundle branch block in patients with type 2 diabetes.

Ankylosing spondylitis (AS) combined with lower cervical fracture is often categorized into unstable fracture, with a high incidence of neurological injury and a high rate of disability and morbidity. As factors such as shoulder occlusion may affect the accuracy of X-ray imaging diagnosis, it is often easily misdiagnosed at the primary diagnosis. Non-operative treatment has complications such as bone nonunion and the possibility of secondary neurological damage, while the timing, access and choice of surgical treatment are still controversial. Currently, there are no clinical practice guidelines for the treatment of AS combined with lower cervical fracture with or without dislocation. To this end, the Spinal Trauma Group of Orthopedics Branch of Chinese Medical Doctor Association organized experts to formulate Clinical guidelines for the treatment of ankylosing spondylitis combined with lower cervical fracture in adults ( version 2024) in accordance with the principles of evidence-based medicine, scientificity and practicality, in which 11 recommendations were put forward in terms of the diagnosis, imaging evaluation, typing and treatment, etc, to provide guidance for the diagnosis and treatment of AS combined with lower cervical fracture.