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Diffuse idiopathic skeletal hyperostosis(DISH) is a kind of ankylosing spinal disease, which usually occurs in the middle-aged and elderly. It is mainly manifested as ossification and calcification of ligaments and tendon attachment points. It is a bone disease that mainly involves the spine but is not accompanied by severe intervertebral disc degeneration or sacroiliac joint and intervertebral facet joint ankylosis. DISH combined with thoracolumbar fracture has a high rate of delayed diagnosis and neurological deterioration, so this kind of fracture should be diagnosed and treated in time. However, there are different conclusions on the choice of treatment methods and postoperative efficacy, and there are still disputes in some academic aspects.The author consulted the relevant literature and reviewed the treatment methods of DISH combined with thoracolumbar fracture in order to provide reference for the clinical treatment of this kind of fracture.
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Objective@#To understand the influencing factors underlying physical exercise behavior among children and adolescents aged 9-18 years in Ningxia, China, in 2019, and to provide suggestions for physical exercise among children and adolescents by adopting a social ecological model.@*Methods@#Based on data related to 12 018 children and adolescents in Ningxia aged 9-18 years old which were obtained from the National Survey on Students Constitution and Health in 2019, the survey questions scored based on the four levels of the social ecological model.@*Results@#The proportion of children and adolescents who engaged in physical exercise for less than 1 hour a day accounted for 55.97% of the total number of people in Ningxia. Regardless of whether they were able to engage in enough physical activity, individual factors played a dominant role in influencing the behavior of the children and adolescents, and an interaction was found between influencing factors at different levels( r=-0.01, 0.01, -0.08, 0.04, P <0.01). The results of the stepwise regression analysis showed that the personal factors e.g. sports makes me healthy, I don t have enough time, muscle strength exercise, I have no movement of any relationship partner, sports make me know partner, policy in the number of physical education, number of sports meeting in a school year, the average daily lesson hold number all affect children s sports activities in time( B =-0.05-0.16, P <0.01).@*Conclusions@#The lack of physical exercise among children and adolescents in Ningxia is the result of multiple factors. Comprehensive and diversified intervention should be administered from a socio ecological framework to promote the formation of physical exercise habits among children and adolescents.
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@#The lymphatic system is the main way of tumor metastasis and diffusion. Esophageal cancer is one of the typical cancers that are prone to metastasis through the lymphatic system. At present, an increasing number of studies show that the interaction between tumor cells and lymphatic endothelial cells is the first step in tumor lymphatic metastasis, but the underlying molecular mechanism is unclear. This article reviews the role and changes of tumor-related lymphatic vessels and lymphatic endothelial cells in the process of tumor lymphatic metastasis, which lays a foundation for further study of the specific molecular mechanism of esophageal cancer lymphatic metastasis and provides a new treatment direction for esophageal cancer patients.
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Objective:To investigate the correlation between food-specific IgG (sIgG) antibodies and phenotypes of chronic spontaneous urticaria (CSU) .Methods:Serum samples were collected from outpatients with active CSU, symptomatic dermographism (SD) , or acute urticaria (AU) , and healthy controls from 5 third-grade class-A hospitals such as the First Hospital of China Medical University between April 2014 and March 2015. Enzyme-linked immunosorbent assay was conducted to detect serum levels of 90 food-sIgG antibodies and total IgE, Western blot analysis to detect levels of 20 allergen-specific IgE antibodies, and chemiluminescent microparticle immunoassay to detect levels of anti-thyroid peroxidase IgG antibodies and anti-thyroglobulin IgG antibodies. Comparisons of normally distributed quantitative data between two groups and among several groups were performed by t test and one-way analysis of variance, respectively; comparisons of non-normally distributed quantitative data between two groups were performed by Mann-Whitney U test; for comparisons of proportions, chi-square test and Fisher′s exact test were used. Results:A total of 248 patients with CSU, 22 with SD, 15 with AU and 13 healthy controls were recruited. The cut-off level for sIgG positivity was 100 U/ml (at least 2+) , and the positive rate of food-sIgG antibodies was slightly higher in the patients with CSU (176/248, 70.97%) , SD (15/22, 68.18%) and AU (11/15) than in the healthy controls (7/13; χ2 = 1.80, P = 0.615) . Among the 248 CSU patients, the proportion of patients with family history of allergic diseases was significantly higher in the sIgG-positive group (71/176, 40.34%) than in the sIgG-negative group (19/72, 26.39%; χ2 = 4.30, P = 0.042) , while no significant difference was observed in the 1-day urticaria activity score (UASday) between the two groups ( Z = 0.18, P = 0.859) . Totally, 177 CSU patients completed 12- to 40-week treatment; their condition could be completely controlled by second-generation H1-antihistamines, and there was no significant difference in the required dosage of second-generation H1-antihistamines between the sIgG-positive group (128 cases) and sIgG-negative group (49 cases; Z = -1.06, P = 0.298) . Conclusions:The prevalence of family history of allergic diseases was relatively high in food-sIgG-positive patients with CSU. However, food-sIgG could not be used as an indicator to reflect the disease activity of CSU and treatment response.
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Objective:To investigate the clinical application value of modified prescription of Bushen Huoxue Decoction combined with Zhengguling Capsule after surgical treatment of osteoporotic fracture. Methods:Eighty patients undergoing surgical treatment of osteoporotic fractures in Jiamusi Orthopedic Hospital from January 2019 to January 2021 were included in this study. They were randomly divided into a control group ( n = 40, receiving routine western medicine treatment) and a study group ( n = 40, receiving adjuvant treatment with modified prescription of Bushen Huoxue Decoction combined with Zhengguling Capsule based on routine western medicine treatment). All patients were treated for 6 consecutive months. The Fugl-Meyer Assessment scale score of motor function, traditional Chinese medicine symptom score, modified Barthel Index (MBI) score, bone mineral density T value at different treatment time points, clinical efficacy, and incidence of adverse reactions were compared between the two groups before and after treatment. Results:At 1, 2, 3 and 6 months of treatment, the T value of bone mineral density in the study group was significantly higher than that in the control group (all P < 0.001). At the end of treatment, the modified Barthel Index and the Fugl-Meyer Assessment scale score in the study group were (78.05 ± 4.26) points and (88.53 ± 2.35) points, which were significantly greater than (70.02 ± 6.58) points and (82.75 ± 2.44) points in the control group ( t = 6.49, 13.92, both P < 0.05). At the end of treatment, the symptom score in the study group was significantly lower than that in the control group ( P < 0.001). Total response rate in the study group was significantly higher than that in the control group [97.5% (39/40) vs. 80.0% (32/40), χ2 = 6.14, P < 0.05]. There was no significant difference in incidence of adverse reactions between the two groups ( P > 0.05). Conclusion:Modified prescription of Bushen Huoxue Decoction combined with Zhengguling Capsule can effectively improve motor ability and increase bone mineral density T value in patients after surgical treatment for osteoporotic fracture.
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Objective:To explore the effects of diabetic enteral nutrition preparation with whey protein addition on blood glucose levels in acute stroke patients with type 2 diabetes mellitus (T2DM).Methods:A total of fifty-six acute stroke patients with T2DM were enrolled in this study from January 2020 to May 2021. These patients were randomly divided into the experimental group or the control group. Enteral nutrition were initiated within 24~48 hours after admission. Both groups were given diabetic enteral nutritional preparation while whey protein power was added at 15 g per 500 ml nutrient solution only in the experimental group. Fasting plasma glucose (FPG), 2 hour postprandial blood glucose (2h-PBG), serum albumin, lymphocyte counts, insulin dose, hypoglycemia incidence and the maximal fluctuation of blood glucose were compared between groups before and after intervention.Results:Compared with the control group, 2h-PBG [9.85 (5.9) mmol/L vs 12.95 (2.2) mmol/L, P=0.049] on Day 7 , FPG [(9.71±1.94) mmol/L vs (11.01±2.19) mmol/L, P=0.029] and 2h-PBG [(10.75±2.16) mmol/L vs (12.23±2.21) mmol/L, P=0.019] on Day 15 in experimental group were significantly decreased. The levels of serum albumin [(34.93±4.37) g/L vs (30.11±5.97) g/L, P=0.002] and lymphocyte counts [(1.12±0.50)×10 9 /L vs (0.86±0.29)×10 9 /L, P=0.025] in experimental group were increased significantly. While Insulin usage [2.5 (6) d vs 9 (11) d, P<0.001] and dose [0.06 (0.17) U/(kg·d) vs 0.19 (0.17) U/(kg·d), P=0.002] as well as maximal fluctuation of blood glucose [6.0 (2.1) mmol/L vs 8.4 (6.6) mmol/L, P=0.003] were significantly lower. Conclusion:Increasing the proportion of protein in diabetic enteral nutrition can improve serum albumin level and is beneficial to blood glucose control in acute stroke patients with T2DM, but the underlying mechanisms and effects on long-term prognosis need further exploration.
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Objective:To explore the value of competency-oriented training mode in the training of professional postgraduate students of thoracic surgery.Methods:A total of 71 professional postgraduate students, who entered thoracic surgery department for rotation training, were divided into experimental group and control group. Among them, 33 students in experimental group accepted competency-oriented training, including medical theoretical knowledge, clinical skills, clinical thinking, scientific information and interpersonal communication, while 38 students in control group received traditional training. Before leaving the department, the two groups of students had a unified assessment, and their results were compared and analyzed. SPSS 19.0 was used to make statistical analysis on the students' assessment results, and the comparison of the two groups of students' results was made by two independent samples t test. Results:The experimental group performed better in theoretical knowledge, clinical skills, clinical thinking and total scores than control group [(14.21±2.03) points vs. (12.97±2.06) points, (24.30±2.35) points vs. (22.37±3.10) points, (24.00±1.85) points vs. (22.71±3.17) points, (78.09±3.53) points vs. (73.34±5.25) points], with significant differences (all P<0.05). Conclusion:Competency-oriented training model can significantly enhance the training quality of professional postgraduates of thoracic surgery. We should make rational use of new media means and various teaching platforms, and give full play to the characteristics and advantages of the discipline, which facilitates to improving the clinical post competence of trainees.
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Objective@#To understand the nutritional status and physical quality of children and adolescents aged 6-18 in Ningxia in 2019, so as to provide scientific basis for health promotion children and adolescents.@*Methods@#A total of 16 076 children and adolescents aged 6-18 years old from Ningxia were selected by multi stage stratified cluster random sampling. Weight, height and physical fitness indexes (50 m running, standing long jump, sitting forward flexion) were measured and analyzed. The Chi square test was carried out to compare differences between groups, and the relationship between nutritional status and physical fitness was assessed by Logistic regression models.@*Results@#In 2019, detection rate of stunting loss rate, overweight and obesity rate of children and adolescents aged 6-18 in Ningxia were 6.9%, 12.6% and 8.7%, respectively. The below average rates of sitting forward flexion, 50 m running and standing long jump were 10.0%, 8.6% and 26.7%, respectively, while the passing rates were 63.5%, 63.7% and 55.5%, respectively. The good rates were 14.7%, 11.7% and 12.3%, and the excellent rates were 11.8%, 16.0 % and 5.5%, respectively. The passing rates of sitting forward flexion, 50 m running and standing long jump in stunting group were lower than those in the normal weight group ( OR=0.75, 0.72, 0.77, P ＜0.05); the passing rates of 50 m run and standing long jump in the overweight group was lower than that of normal weight group ( OR=0.79, 0.52, P ＜0.05); the passing rates of sitting forward flexion, 50 m running and standing long jump in the obese group were lower than those in the normal weight group ( OR=0.73, 0.52, 0.32, P ＜0.05).@*Conclusion@#In 2019, children and adolescents in Ningxia have the doublel burden of stunting, overweight and obesity. Physical fitness is associated with nutritional status, suggesting weight control might be helpful to keep fitness among children and adolescents.
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Objective@#To explore the correlation between obesity and first ejaculation in boys aged 11-18 years old in Ningxia in 2019, and to provide the theoretical reference for puberty development among obese boys.@*Methods@#Using the method of stratified random cluster sampling, 5 240 boys aged 11- 18 were selected from Yinchuan, Zhongwei, Wuzhong and Guyuan in Ningxia Hui Autonomous Region. Height, weight, and first ejaculation were obtained.Body mass index (BMI) was calculated to determine nutritional status, and the χ 2 test was used to compare the differences between groups of nutritional status; the probability unit regression method was used to calculater the soth percentile age at ejaculation, and the U test was applied to compare the differences in age at ejaculation between groups.@*Results@#The rates of overweight and obesity among boys aged 11 to 18 years in Ningxia Hui Autonomous Region in 2019 were 15.5% and 8.8%. The detection rate of overweight and obesity among urban boys was 17.8% and 10.5% and the detection rate of overweight and obesity among rural boys was 12.9% and 6.9%,respectively. The 50 th percentile age at half ejaculation among urban boys aged 11 to 18 years was 14.94 years; the 50 th percentile age at ejaculation among rural boys was 15.33 years( P <0.01). The 50 th percentile age at ejaculation was 15.61, 15.10, 15.05 and 15.05 years for boys in the wasted, normal weight, overweight and obese groups, respectively.@*Conclusion@#Nutritional status was not associated with age at first ejaculation in the present study,but warrants farther investigation.
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@#Objective To compare the pain relief and rehabilitation effect of intercostal nerve block and conventional postoperative analgesia in patients undergoing thoracoscopic surgery. Methods China National Repository, Wanfang Database, VIP, China Biomedical Literature Database, Web of Science, Clinicaltrials.gov, Cochrane Library, EMbase and PubMed were searched from establishment of each database to 10 Febraray, 2022. Relevant randomized controlled trials (RCTs) of intercostal nerve block in thoracoscopic surgery were collected, and meta-analysis was conducted after data extraction and quality evaluation of the studies meeting the inclusion criteria. Results A total of 21 RCTs and one semi-randomized study were identified, including 1 542 patients. Performance bias was the main bias risk. Intercostal nerve block had a significant effect on postoperative analgesia in patients undergoing thoracoscopic surgery. The visual analogue scale (VAS) score at 12 h after surgery (MD=–1.45, 95%CI –1.88 to –1.02, P<0.000 01), VAS score at 24 h after surgery (MD=–1.28, 95%CI –1.67 to –0.89, P<0.000 01), and VAS score at 48 h after surgery significantly decreased (MD=–0.90, 95%CI –1.22 to –0.58, P<0.000 01). In exercise or cough state, VAS score at 24 h after surgery (MD=–2.40, 95%CI –2.66 to –2.14, P<0.000 01) and at 48 h after surgery decreased significantly (MD=–1.89, 95%CI –2.09 to –1.69, P<0.000 01). In the intercostal nerve block group, the number of compression of the intravenous analgesic automatic pump on the second day after surgery significantly reduced (SMD=–0.78, 95%CI –1.29 to –0.27, P=0.003). In addition to the analgesic pump, the amount of additional opioids significantly reduced (SMD=–2.05, 95%CI –3.65 to –0.45, P=0.01). Postoperative patient-controlled intravenous analgesia was reduced (SMD=–3.23, 95%CI –6.44 to –0.01, P=0.05). Patient satisfaction was significantly improved (RR=1.31, 95%CI 1.17 to 1.46, P<0.01). Chest tube indwelling time was significantly shortened (SMD=–0.64, 95%CI –0.84 to –0.45, P<0.001). The incidence of analgesia-related adverse reactions was significantly reduced (RR=0.43, 95%CI 0.33 to 0.56, P<0.000 01). Postoperative complications were significantly reduced (RR=0.28, 95%CI 0.18 to 0.44, P<0.000 01). Two studies showed that the length of hospital stay was significantly shortened in the intercostal nerve block group, which was statistically different (P≤0.05), and there was no statistical difference in one report. Conclusion The relief of acute postoperative pain and pain in the movement state is more prominent after intercostal nerve block. Intercostal nerve block is relatively safe and conforms to the concept of enhanced recovery after surgery, which can be extensively utilized in clinical practice.
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The etiology and pathogenesis of autoimmune liver diseases has always been a hot area of research. Pathogen infections can elicit an autoimmune response and often become the key pathogenic factor of immune diseases. Based on the literature data and the author's clinical experience, this review will briefly introduce the role and influence of pathogen infections in the development and progression of autoimmune liver diseases from the aspects such as molecular mimicry mechanism, in order to further understand the pathogenesis of autoimmune liver diseases.
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Through big data, this paper reviews the national research projects and the academic papers published in China and globally in the field of autoimmune liver diseases in China from 2001 to 2020, revealing the development trend in the past two decades. This paper also introduces the updates of the newly issued guidelines for the diagnosis and treatment of autoimmune liver diseases, and reviews the development of autoantibody detection technology and analyzes its progress.
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Objective:To learn about the iodine nutritional status of pregnant women in Suqian City, Jiangsu Province, and to provide evidence for scientific supplementation of iodine of pregnant women.Methods:From May 2016 to July 2020, five sampling districts were divided in each county (district) of Suqian City according to the oriation of east, west, south, north and center each year. One township (street) was selected from each district, and 20 pregnant women who lived in the local area for more than half a year were selected from each township (street). The 30 g of household salt samples of pregnant women and 5 ml of urine samples at random once were collected to test the salt iodine and urinary iodine content.Results:A total of 2 483 household salt samples of pregnant women were tested, and the median salt iodine was 23.9 mg/kg; among them, 2 454 were iodized salt, and the coverage rate of iodized salt was 98.8%; the qualified iodized salt was 2 383, the qualified rate of iodized salt was 97.1%, and the consumption rate of qualified iodized salt was 96.0%. There were statistically significant differences in coverage rate of iodized salt, qualified rate of iodized salt and consumption rate of qualified iodized salt between different years (χ 2 = 10.55, 13.23, 11.37, P < 0.05). A total of 2 483 urine samples of pregnant women were tested, and the median urinary iodine was 167.6 μg/L, which was at the appropriate iodine level. However, the median urinary iodine of pregnant women in 2020 was 146.7 μg/L, lower than the WHO/UNICEF/ICCIDD recommendation standard (150 μg/L). The differences of median urinary iodine of pregnant women in different years, pregnancy periods and regions were statistically significant ( H = 26.08, 8.17, 19.87, P < 0.05). Conclusions:The coverage rate of iodized salt, qualified rate of iodized salt and consumption rate of qualified iodized salt in Suqian City , meet the national standard for eliminating iodine deficiency disorders. Iodine nutrition of pregnant women in Suqian City is at an appropriate iodine level, but some pregnant women may have iodine deficiency.
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Objective:To investigate the application value of standard operation procedure (SOP) of thoracentesis in clinical skills training for undergraduates.Methods:In this study, 63 undergraduates were randomized into two groups, with 29 students in experimental group receiving SOP training, and 34 students in control group trained by traditional teaching methods. The performance of the two groups at different stages of thoracentesis were compared after the training. SPSS 19.0 was used to analyze the assessment data.Results:The experimental group was significantly superior to the control group in the stages of "puncture operation" and "post-puncture operation" [(33.76±2.46) points vs. (31.91±3.60) points, P=0.02; (7.93±1.53) points vs. (6.79±1.84) points, P=0.01], as well as the total scores [(82.59±4.14) points vs. (79.26±4.94) points, P=0.01]. Conclusion:It's suggested that application of SOP may improve the effectiveness of thoracentesis training, and organized teaching methods are essential for clinical skills training.
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Objective:To analyze routine blood test results of pregnant women at different periods of pregnancy and evaluate the health status of pregnant women.Methods:A total of 240 pregnant women with anemia who underwent antenatal care or delivery in Department of Obstetrics and Gynecology, The People's Hospital of Yuhuan from January 2018 to June 2019 were included in this study. They were divided into three groups according to different periods of pregnancy with 80 women in each group: first trimester, second trimester, and third trimester. Additional 80 non-pregnant women who concurrently received health examination were included as controls. Routine blood test results were compared among groups. The incidence of microcytic anemia and macrocytic anemia at different periods of pregnancy was determined.Results:The incidence of microcytic anemia in the third trimester group [3.75% (3/80)] was significantly lower than that in the first trimester group [26.25% (21/80)] and the second trimester group [25.00% (20/80), χ2 = 15.882, 14.675, both P < 0.05]. The incidence of macrocytic anemia in the third trimester group [22.50% (18/80)] was significantly higher than that in the first trimester group [1.25% (1/80)] and the second trimester group [3.75% (3/80), χ2 = 17.260, 12.333, both P < 0.05]. Red blood cell count and hemoglobin and hematocrit levels in the peripheral blood of pregnant women in the first, second and third trimester groups were significantly lower compared with the control group ( t = 8.579, 16.781, 13.964, 10.154, 15.891 and 15.512, all P < 0.05). Red blood cell count, hemoglobin and hematocrit levels in the second trimester group were significantly lower than those in the other three groups (all P < 0.05). In the first, second and third trimester groups, white blood cell count and percentage of neutrophils were increased, and platelet count was decreased ( t = 23.085, 24.187, 27.941, 15.722, 22.153, 13.277, 31.517, 32.901, 32.227, all P < 0.05) compared with the control group. The increases in white blood cell count and percentage of neutrophils in the second trimester group were significantly greater than those in the first and third trimester groups, and platelet count in the third trimester group was significantly lower than that in the first and second trimester groups (all P < 0.05). Conclusion:Monitoring routine blood indexes can help assess the health status of pregnant women. Adjusting nutrition program in time can decrease the incidence of adverse pregnancy outcomes.
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Autoantibodies have an important value in the diagnosis, typing, and differential diagnosis of autoimmune hepatitis (AIH); however, the autoantibodies of AIH lack specificity and have various types and inconsistent results, which brings confusions to clinical diagnosis. With reference to the literature data and the author’s clinical experience, this article reviews the application value and research advances in the main autoantibodies in AIH and introduces the recommendations for autoantibody detection methods in related guidelines.
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Objective:To propose a new grading system-the posterior ligament-bone injury classification and severity (PLICS) score for subaxial cervical spine injury, and evaluate its value in guiding the approach selection for subaxial cervical fracture and dislocation.Methods:All of 394 cases of subaxial cervical fracture and dislocation who received single anterior reduction and fixation in our hospital from January 2002 to December 2015 were retrospectively analyzed. According to the inclusion and exclusion criteria, 354 cases were finally included in this study. The Patients experienced internal fixation failure, postoperative kyphosis or interspinal process space dilation during follow-up were included into the failure group. Other patients were included into the successful group. The difference of visual analogue scale (VAS), neck disability index (NDI), ASIA score and PLICS score before and after surgery between the two groups was compared respectively. The PLICS score is composed of left, right and posterior columns. The injury of the posterior column was classified into mild, moderate and severe degrees, with 1-3 points respectively. The evaluation of lateral column injury included ligament and bone structure. The evaluation of ligament injury included: 1 point for the subluxation of the facet joint, 2 points for the dislocation or the facet joint; Fractures of the lateral column was classified into mild, moderate and severe degrees, with 1-3 points respectively. For the evaluation of the lateral column, the highest score of ligament or bone structure injury was reflected as the score of posterior column injury and was taken into the calculation of the final PLICS score.Results:All 354 patients had complete follow-up data, and the average follow-up time was 18.0±4.0 months, including 339 patients of successful group and 15 patients of failure group. At the 12 month follow-up, the average VAS score of the patients in the successful group decreased from 6.9±0.6 before the operation to 1.9±0.6 ( t=22.481, P<0.0001), and the average VAS score of the patients in the failure group decreased from 5.6±1.0 to 1.1±0.3 ( t=77.252, P<0.0001). The difference between the two groups was statistically significant. The NDI score of the successful group was significantly lower than that of the failure group (7.1%±1.2% vs 15.7%±2.7%, t=24.993, P<0.0001). PLICS score in two groups of patients were analyzed. There was a significant difference in PLICS scores between the two groups ( t=8.777, P<0.0001). According to the PLICS score, the ROC operating curve of the failure of internal fixation after anterior-only surgery was determined. The area under the curve was 0.981, and the 95% confidence interval was 0.943, 1.000. When the PLICS score was 6.5, the maximum value of the Jordan index was 0.927, the sensitivity was 0.994, and the specificity was 0.067. Considering the clinical practicality of PLICS score and the different clinical outcomes of the sub-classification groups of the PLICS score=7, we finally set the threshold as PLICS score=7 with the unilateral severe lateral mass fracture. Conclusion:The PLICS score is based on the anatomy of the posterior three-column structure of the subaxial cervical spine. It gives consideration to the bony structures, including bilateral lateral mass, spinous process, lamina, and the ligament structures. What's more, the overall damage severity of the posterior three columns of the subaxial cervical spine was quantified according to the evaluation of the injury characteristics of each column of ligament-bone structure. In this study, PLICS score and clinical efficacy were compared between two groups of patients, and it was finally determined that when PLICS score ≥7 with the unilateral severe lateral mass fracture, the risk of internal fixation failure is higher for anterior-only approach surgery alone. For these patients, anterior and posterior approach surgery may be considered.
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Objective:To explore the risk factors of residual back pain (RBP) in patients undergone PVP within 1 month and further analyze the correlation.Methods:Between March 2013 and January 2015, 1 316 patients with OVCF were treated by PVP. RBP after PVP was defined as a visual analogue scale (VAS) score of > 4 both 1 week and 1 month post-operatively. According to the pain relief, the patients were divided into two groups, the satisfied group and the unsatisfied group. All patients were scheduled for follow-up at1 week, 1 month, 3 months, and 1 year post-operatively, during which radiography and magnetic resonance imaging (T1-weighted, T2-weighted, and short time inversion recovery (STIR) sequences) were recommended to detect the existence of secondary OVCF. VAS scores and Oswestry disability index (ODI) were recorded. Demographic data, surgical information, anesthesia method, number of OVCF, injection amount of cement of single vertebral bone, imaging data and other comorbidity informations of patients in the two groups were analyzed by Logistic regression for the factors related to RBP after PVP.Results:Among 1 316 patients, 60 cases complained RBP, and the prevalence was 4.6%. VAS score and ODI of the two groups were significantly different at 1 week, 1 month and 3 months after surgery, suggesting there was a certain degree of residual pain in the lower back of patients in the unsatisfied group, which was more severe than that in the satisfied group. However, the above differences disappeared in the follow-up of 12 months after surgery.Univariate analysesshowed that preoperative bone mineral density (BMD), number of fracture, cement distribution and volume injected per level and lumbodorsal fascia contusion were associated with RBP after PVP ( P< 0.01, retrospectively). Multivariate analysis revealed that the absolute value of pre-operative BMD(odds ratio ( OR)=3.577, P=0.029), combined withlumbodorsal fascia contusion ( OR=3.805, P=0.002), number of fracture ( OR=3.440, P<0.001), satisfactory cement distribution ( OR=3.009, P=0.013) and combined with depression ( OR=3.426, P=0.028) were positively correlated with RBP after PVP, and these were risk factors. The injection amount of cement of single vertebral bone ( OR=0.079, P<0.001) was negatively correlated with RBP after PVP, which was a protective factor. Conclusion:Pre-operative low BMD, lumbodorsal fascial injury, multiple segment OVCF, insufficient cement injected volume, unsatisfactory cement distribution and depression were risk factors associated with RBP after PVP in patients with OVCF.
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Objective@#To analyze the serological characteristics of anti-mitochondrial antibody M2 subtype (AMA-M2) in patients with drug-induced liver injury (DILI) and primary biliary cholangitis (PBC), in order to provide reference for clinical differential diagnosis.@*Methods@#Laboratory data of 2802 DILI cases who visited the hospital between January 2011 and December 2017 were retrospectively collected. AMA-M2 positive patients were analyzed with respect to laboratorical findings, and serum data of 120 patients with primary biliary cholangitis (PBC) at the same period was taken as a control. A chi-square test was used for group comparisons. One-way ANOVA and rank sum tests was used for ALT, AST, ALP, GGT and three groups of immunoglobulin M.@*Results@#Among 2802 DILI patients, AMA-M2 positive rate was 5.1% (144/2 802), 77.1% (111/144) was DILI alone, 22.2% (32/144) was DILI with PBC, and 0.7% (1/144) was DILI with Sjogren's syndrome. An AMA-M2 level in DILI alone group was mostly mild and moderate than the PBC group and the DILI combined with the PBC group. There was significant difference between the two groups (P < 0.05).There was no significant difference in AMA-M2 levels between DILI group combined with PBC group and PBC group (P > 0.05). ALT and AST levels of DILI alone group and DILI combined with PBC were (585.92 ± 653.04) U/L, (501.45 ± 512.67) U/L and (373.47 ± 502.60) U/L, (335.97 ± 513.96) U/L, respectively, which were significantly higher than PBC group [(106.33 + 134.08) U/L, (112.59 + 152.20) U/L]. There were statistically significant differences between the two groups (P < 0.05).The ALP level of DILI alone group was (152.58 + 81.46) U/L, which was lower than PBC group (237.86 + 215.09). The difference was statistically significant (P < 0.05). The level of immunoglobulin M in the DILI alone group was (1.76 ± 1.16) g/L, which was lower than PBC group (4.74 ± 5.74) g/L and the DILI combined with the PBC group (3.31 ± 1.68) g/L. There was significant difference between the two groups. During follow-up, 2.7% of patients with DILI had cirrhosis, 42.3% had lower AMA-M2 titer, 14.4% had lower AMA-M2 titer, 13.5% had higher AMA-M2 titer and five cases developed PBC.@*Conclusion@#AMA-M2 is not only positive in patients with PBC, but also low-to-medium or even high-level AMA-M2 may be detected in DILI patients. For AMA-M2-positive DILI patients, it is necessary to identify whether they are associated with PBC. Secondly, the levels of ALT, AST and ALP should be analyzed, and the patients should be on regular follow up for early and timely detection of drug-induced PBC.
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Objective@#To explore the safety and effectiveness of a novel percutaneous self-expanding forceful reduction screw system in the treatment of thoracolumbar fracture with severe vertebral height loss.@*Methods@#Thirty-eight patients of thoracolumbar fracture with more than 50%vertebral height loss were treated with the novel percutaneous self-expanding forceful reduction screw between March 2014 and June 2015. The screw system is a single plane screw with a reduction angle of 0,3,6,9 degrees. During the operation, the fracture vertebral body was automatically restored during the locking process of the top cap. All the patients were single vertebral fractures. Percutaneous screw fixation and reduction was used in the operation. Two groups of screws were used to fix the two adjacent vertebrae of the injured vertebra and to restore the injured vertebral body, without fusion treatment. The vertebral body index (VBI), height of the anterior margin of fractured vertebra (HAMFV), vertebral body angle (VBA), bisegmental Cobb angle (BCA), visual analog scale (VAS) and Oswestry disability index (ODI) of the patients before and after operation, 6 months after operation, and at the end of the follow-up were compared. The scoring results were compared using a t test.@*Results@#The operation was completed successfully in 38 cases. A total of 152 screws were placed. The accuracy rate of CT evaluation was 98.7%. The average operation time was 90.7±21.9 min, and the average intraoperative bleeding amount was 89.2±31.9 ml. The patients' preoperative VBI, HAMFV, VBA, BCA, VAS and ODI scores were 0.38±0.07, 0.38±0.06, 25.45°±4.54°, 18.66°±8.57°, 7.76±1.02, and 44.58%±2.33%, respectively. The postoperative measurements were 0.93±0.03, 0.95±0.02, 3.71°± 1.35°, 5.84°±6.80 °, 4.29±1.16 and 24.37%±1.88%. At the last follow-up, the measurements were 0.92±0.03, 0.94±0.02, 3.89° ±1.31°,6.05°±7.00°, 1.71±0.65 and 5.95%±2.67%. There was significant difference between the preoperative and postoperative data, as well as the preoperative and the last follow-up data (P<0.05).@*Conclusion@#In the treatment of thoracolumbar fractures with severe loss of vertebral height, the novel percutaneous self-expanding forceful reduction screw system has achieved satisfactory vertebral height restoration and kyphosis correction.