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Cui ZL, Shou JB, Liu B, Wang HH, Lin YY, Zeng JX, Long ZZ, Chen YB, Zhang XM. [Clinical effect of X-N advancement flap in repairing pressure ulcer on the buttock or back]. ZHONGHUA SHAO SHANG ZA ZHI = ZHONGHUA SHAOSHANG ZAZHI = CHINESE JOURNAL OF BURNS 2020; 36:476-479. [PMID: 32594706 DOI: 10.3760/cma.j.cn501120-20191011-00399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To explore the clinical effect of X-N advancement flap in repairing pressure ulcer on the buttock or back. Methods: From June 2018 to June 2019, 20 patients with grade Ⅳ pressure ulcers on the buttock or back were hospitalized and treated in the Department of Traumatology, Burns and Plastic Surgery of Fourth Affiliated Hospital of Guangxi Medical University, including 15 males and 5 females, aged 48-89 years. The area of the patient's wound was 8 cm×5 cm-15 cm×12 cm after debridement, and all were repaired with the X-N advancement flap designed by the author. The flap was designed according to the direction of skin relaxation on both sides of the wound, and the skin was incised in X-shape and sutured in N-shape. The width and advancement distance of the flap were recorded, and the ratio of the advancement distance to the width of the flap was calculated. The flap survival, complication, and follow-up were observed and recorded. Results: The width of the flap was (5.9±1.2) cm, the advancement distance of the flap was (10.3±2.5) cm, and the ratio of the advancement distance to the width of the flap was 1.8±0.4. All the flaps survived, and none of the flaps had blood flow disorder. Local dehiscence occurred in the flap of one patient 1 week after surgery, which was healed after laying on the floating bed, strengthened care, and wound dressing change. The flap of one patient developed infection 5 days after surgery, which was healed after partial suture removal, smooth drainage, and replacement with sensitive antibiotics. The wounds of the remaining 18 patients were all cured. After 3 months of follow-up, the flaps survived well with good elasticity and texture. Conclusions: The X-N advancement flap can make the skin and soft tissue move forward effectively. It is simple and effective to repair pressure ulcers on the back or buttock of patients with this flap, which is worthy of clinical promotion and application.
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Chen LY, Zhang XM, Han BQ, Dai HB. Long Noncoding RNA SNHG12 Indicates the Prognosis and Accelerates Tumorigenesis of Diffuse Large B-Cell Lymphoma Through Sponging microR-195. Onco Targets Ther 2020; 13:5563-5574. [PMID: 32606771 PMCID: PMC7305849 DOI: 10.2147/ott.s249429] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2020] [Accepted: 05/11/2020] [Indexed: 12/21/2022] Open
Abstract
Background Small nucleolar RNA host gene 12 (SNHG12) expression is associated with multiple cancers, including renal cell carcinoma, prostate cancer, cervical cancer, nasopharyngeal carcinoma, colorectal cancer, and hepatocellular carcinoma. However, SNHG12 biological function is unclear in diffuse large B-cell lymphoma (DLBCL). Methods SNHG12 expression and associated clinicopathological characteristics were evaluated in DLBCL tissues. CCK-8 and transwell assay were used to analyze the in vitro role of SNHG12 in DLBCL progression. The xenograft model was used to explore the in vivo role of SNHG12 in DLBCL growth. The physical interaction between SNHG12 and miR-195 was confirmed using bioinformatics analysis and a dual luciferase assay. Results SNHG12 expression was upregulated in DLBCL tissues and correlated with patients’ prognosis. SNHG12 downregulation inhibited cell growth, migration, and invasion of DLBCL cells in vitro, while its overexpression promoted these cellular processes. Moreover, SNHG12 knockdown repressed tumorigenesis of DLBCL cells in vivo. Further experiments demonstrated that miR-195 is a target of SNHG12 in DLBCL and that their expression negatively correlates in DLBCL. SNHG12 functioned as a competing endogenous RNA for miR-195 in DLBCL cells and miR-195 upregulation abolished the effects of SNHG12 on of DLBCL progression. Conclusion SNHG12 predicts poor clinical outcome and serves as a novel oncogene in DLBCL via miR-195 sponging. We also suggest that SNHG12 can be used as a potential therapeutic candidate for DLBCL patients.
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Wu WS, Li YG, Wei ZF, Zhou PH, Lyu LK, Zhang GP, Zhao Y, He HY, Li XY, Gao L, Zhang XM, Liu H, Zhou N, Guo Y, Zhang XM, Zhang D, Liu J, Zhang Y. [Investigation and analysis on characteristics of a cluster of COVID-19 associated with exposure in a department store in Tianjin]. ZHONGHUA LIU XING BING XUE ZA ZHI = ZHONGHUA LIUXINGBINGXUE ZAZHI 2020; 41:489-493. [PMID: 32133830 DOI: 10.3760/cma.j.cn112338-20200221-00139] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Objective: To describe the epidemiological characteristics of a cluster of COVID-19 cases reported in Baodi district of Tianjin as of 18 February, 2020, which might be associated with the exposure in a local department store, and provide suggestions for prevention and control strategy development. Methods: The basic characteristics, time and area distributions, clinical manifestations, epidemiological history and transmission mode of the COVID-19 cases associated with the department store exposure were analyzed. Results: A total of 40 COVID-19 cases were associated with the department store exposure, accounting for 75.47% of the total confirmed cases (53 cases) reported in Baodi district. The cases were mainly at the age of 60 years or older (35.00%) and farmers (40.00%). The main clinical manifestations included fever (95.00%), cough (35.00%), and diarrhea (15.00%). The proportion of confirmed severe cases was 32.50%. The incidence curve showed that the incidence peak occurred on 31 January, 2020. Among the 40 cases, 6(15.00%) were department store employees, 19 (47.50%) were customers and 15 (37.50%) were close contacts (secondary cases). The first case occurred on 21 January, 2020, this case was a department store employee who had a purchasing history at whole sale markets in other provinces and cities before the onset, and 3 employees were still on duty after symptom onsets. The median of the incubation period of customer cases was 6 days, and the median of the interval between onset and medical treatment of customer cases was 7 days. Conclusion: This was a cluster epidemic of COVID-19, which might be associated with the exposure in the department store. By now, the current prevention and control measures have achieved satisfied effects.
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Han XA, Jie HY, Wang JH, Zhang XM, Wang J, Yu CX, Zhang JL, He J, Chen JQ, Lai KF, Sun EW. Necrostatin-1 Ameliorates Neutrophilic Inflammation in Asthma by Suppressing MLKL Phosphorylation to Inhibiting NETs Release. Front Immunol 2020; 11:666. [PMID: 32391007 PMCID: PMC7194114 DOI: 10.3389/fimmu.2020.00666] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2019] [Accepted: 03/24/2020] [Indexed: 11/26/2022] Open
Abstract
Neutrophilic inflammation occurs during asthma exacerbation, and especially, in patients with steroid-refractory asthma, but the underlying mechanisms are poorly understood. Recently, a significant accumulation of neutrophil extracellular traps (NETs) in the airways of neutrophilic asthma has been documented, suggesting that NETs may play an important role in the pathogenesis. In this study, we firstly demonstrated that NETs could induce human airway epithelial cell damage in vitro. In a mouse asthmatic model of neutrophil-dominated airway inflammation, we found that NETs were markedly increased in bronchoalveolar lavage (BAL), and the formation of NETs exacerbated the airway inflammation. Additionally, a small-molecule drug necrostatin-1 (Nec-1) shown to inhibit NETs formation was found to alleviate the neutrophil-dominated airway inflammation. Nec-1 reduced total protein concentration, myeloperoxidase activity, and the levels of inflammatory cytokines in BAL. Finally, further experiments proved that the inhibition of Nec-1 on NETs formation might be related to its ability to inhibiting mixed lineage kinase domain-like (MLKL) phosphorylation and perforation. Together, these results document that NETs are closely associated with the pathogenesis of neutrophilic asthma and inhibition of the formation of NETs by Nec-1 may be a new therapeutic strategy to ameliorate neutrophil-dominated airway inflammation.
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Yu B, Li XR, Zhang XM. Mesenchymal stem cell-derived extracellular vesicles as a new therapeutic strategy for ocular diseases. World J Stem Cells 2020; 12:178-187. [PMID: 32266050 PMCID: PMC7118288 DOI: 10.4252/wjsc.v12.i3.178] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/27/2019] [Revised: 02/22/2020] [Accepted: 03/22/2020] [Indexed: 02/06/2023] Open
Abstract
Mesenchymal stem cells (MSCs) have attracted considerable attention for their activity in the treatment of refractory visual disorders. Since MSCs were found to possess the beneficial effects by secreting paracrine factors rather than direct differentiation, MSC-derived extracellular vesicles (EVs) were widely studied in various disease models. MSCs generate abundant EVs, which act as important mediators by exchanging protein and genetic information between MSCs and target cells. It has been confirmed that MSC-derived EVs possess unique anti-inflammatory, anti-apoptotic, tissue repairing, neuroprotective, and immunomodulatory properties, similar to their parent cells. Upon intravitreal injection, MSC-derived EVs rapidly diffuse through the retina to alleviate retinal injury or inflammation. Due to possible risks associated with MSC transplantation, such as vitreous opacity and pathological proliferation, EVs appear to be a better choice for intravitreal injection. Small size EVs can pass through biological barriers easily and their contents can be modified genetically for optimal therapeutic effect. Hence, currently, they are also explored for the possibility of serving as drug delivery vehicles. In the current review, we describe the characteristics of MSC-derived EVs briefly, comprehensively summarize their biological functions in ocular diseases, and discuss their potential applications in clinical settings.
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Zhang XM. [Monitoring of major occupational diseases and analysis of occupational group's health status of Jining in 2018]. ZHONGHUA LAO DONG WEI SHENG ZHI YE BING ZA ZHI = ZHONGHUA LAODONG WEISHENG ZHIYEBING ZAZHI = CHINESE JOURNAL OF INDUSTRIAL HYGIENE AND OCCUPATIONAL DISEASES 2020; 38:41-44. [PMID: 32062895 DOI: 10.3760/cma.j.issn.1001-9391.2020.01.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To analyze the major occupational disease surveillance and the occupational health examination of Jining in 2018, provide the basis for the government department formulating occupational disease prevention measures. Methods: In January 2019, collecting data of the occupational disease and Occupational Health Information Surveillance Network in Jining from January 1 to December 31, 2018, 37295 workers were collected, and 37295 workers who were exposed to key occupational disease risk factors and underwent occupational health check-up during their working period. The contact of occupational Hazard Factors and occupational health examination were analyzed. SPSS 22.0 was used to set up the database for statistical analysis. Results: Workers exposed to major occupational hazards were more exposed to noise (56.34%, 39935/70883) , coal dust (15.65%, 11095/70883) , welding fume (10.25%, 7262/70883) , silicon dust (5.61%, 3975/70883) . In 2018, 24 cases (38.71%, 2462) of coal worker's pneumoconiosis, 21 cases (33.87%, 2162) of silicosis, 8 cases (12.90%, 82) of noise deafness and 8 cases (12.90%, 862) of brucellosis were the major occupational diseases reported. The abnormal rate of lung function examination was 14.87% (461/3100) , and the abnormal rate of high frequency hearing threshold examination was 4.56% (1492/32731) in workers exposed to coal dust (coal-silica dust) , the difference was statistically significant (P<0.01) . Conclusion: Jining should strengthen the supervision of enterprises with key occupational disease hazards, formulate classified supervision and management methods, and improve the occupational health inspection rate of workers.
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Ding L, Fu WJ, Di HY, Zhang XM, Lei YT, Chen KZ, Wang T, Wu HF. Expression of long non-coding RNAs in complete transection spinal cord injury: a transcriptomic analysis. Neural Regen Res 2020; 15:1560-1567. [PMID: 31997824 PMCID: PMC7059563 DOI: 10.4103/1673-5374.274348] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Long non-coding RNAs (lncRNAs) are abundantly expressed in the central nervous system and exert a critical role in gene regulation via multiple biological processes. To uncover the functional significance and molecular mechanisms of lncRNAs in spinal cord injury (SCI), the expression signatures of lncRNAs were profiled using RNA sequencing (RNA-seq) technology in a Sprague-Dawley rat model of the 10th thoracic vertebra complete transection SCI. Results showed that 116 of 14,802 detected lncRNAs were differentially expressed, among which 16—including eight up-regulated (H19, Vof16, Hmox2-ps1, LOC100910973, Ybx1-ps3, Nnat, Gcgr, LOC680254) and eight down-regulated (Rmrp, Terc, Ngrn, Ppp2r2b, Cox6a2, Rpl37a-ps1, LOC360231, Rpph1)—demonstrated fold changes > 2 in response to transection SCI. A subset of these RNA-seq results was validated by quantitative real-time PCR. The levels of 821 mRNAs were also significantly altered post-SCI; 592 mRNAs were up-regulated and 229 mRNAs were down-regulated by more than 2-fold. Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) analyses showed that differentially expressed mRNAs were related to GO biological processes and molecular functions such as injury and inflammation response, wound repair, and apoptosis, and were significantly enriched in 15 KEGG pathways, including cell phagocytosis, tumor necrosis factor alpha pathway, and leukocyte migration. Our results reveal the expression profiles of lncRNAs and mRNAs in the rat spinal cord of a complete transection model, and these differentially expressed lncRNAs and mRNAs represent potential novel targets for SCI treatment. We suggest that lncRNAs may play an important role in the early immuno-inflammatory response after spinal cord injury. This study was approved by the Administration Committee of Experimental Animals, Guangdong Province, China.
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Zhang XM, Li K, Ma HY, Liu Q, Zhu JY. Non-Gaussianity in a general kind noncanonical warm inflation. Int J Clin Exp Med 2019. [DOI: 10.1103/physrevd.100.123521] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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109
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Zhang XM, Yu JY, Yang Y, Feng CP, Lyu J, Xu SL. A flipped classroom method based on a small private online course in physiology. ADVANCES IN PHYSIOLOGY EDUCATION 2019; 43:345-349. [PMID: 31305152 DOI: 10.1152/advan.00143.2018] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
A small private online course (SPOC) supports blended learning on a small scale, enabling students to have a more comprehensive and deeper learning experience. It also provides instructors with a flexible and feasible model to better understand the students' learning needs and to supervise students' learning behaviors. In this study, we adopted SPOC flipped classroom blended teaching in the physiology course for clinical undergraduate students of Kunming Medical University. Compared with the control group [lecture-based learning (LBL)], the SPOC flipped classroom method significantly increased the scores of students in the preclass test (65.13 ± 12.45 vs. 53.46 ± 8.09, SPOC vs. LBL) and postclass test (80.43 ± 14.29 vs. 69.01 ± 12.81, SPOC vs. LBL), which is induced by students' increased interest in self-learning. More importantly, the significant difference between the preclass scores of the two groups suggested that the video lecture-based preview is more effective than the textbook-based preview. The study indicated that the SPOC flipped classroom was effective in enhancing the examination scores of students, reflecting an improved learning efficiency and a deeper understanding of the knowledge. In summary, the flipped classroom based on SPOC improves learning outcomes compared with LBL and has a wide application in the learning of basic medical courses.
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Yang J, Wang F, Han X, Yuan J, Yao P, Liang Y, Wei S, Zhang XM, Guo H, Yang HD, He MA. [Different anthropometric indices and incident risk of hypertension in elderly population: a prospective cohort study]. ZHONGHUA YU FANG YI XUE ZA ZHI [CHINESE JOURNAL OF PREVENTIVE MEDICINE] 2019; 53:272-278. [PMID: 30841666 DOI: 10.3760/cma.j.issn.0253-9624.2019.03.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To explore the relationship between anthropometric indices and the incident risk of hypertension, compare novel anthropometric indices with traditional indices in hypertension prediction and establish hypertension prediction models among elderly Chinese. Methods: A total of 27 009 retirees from the Dongfeng Motor Corporation were recruited at baseline in 2008 and the first follow-up was conducted in 2013. After the exclusion of participants less than 60 years old, participants with hypertension, coronary heart disease, stroke, cancer, and those with missing data, a total of 6 784 elderly participants were enrolled in this study. A multivariate logistic regression model was used to analyze the relationship between traditional anthropometric indices, body mass index (BMI), waist circumference (WC), waist-to-height ratio (WHtR), novel anthropometric indices, visceral adiposity index (VAI), body shape index (ABSI), body roundness index (BRI), and the incident risk of hypertension. Meanwhile, a multivariate logistic regression model was used to establish hypertension prediction models. Receiver operating characteristic (ROC) curve was applied to compare the prediction ability of different models. Results: A total of 1 787 incident cases of hypertension were identified, with the incidence of hypertension about 27.59%. Significant positive associations were detected between BMI, WC, WHtR, VAI, BRI and the incident risk of hypertension after adjusting for potential confounders (all P values<0.05). In men, the OR (95%CI) (upper tertile vs lower tertile) was 1.45 (1.22-1.73) for VAI, and 1.86 (1.55-2.23) for BRI. In women, the OR (95% CI) (upper tertile vs lower tertile) was 1.55 (1.22-1.96) for VAI, and 1.60 (1.27-2.01) for BRI. For ABSI, no significant association was observed in either men (OR (95%CI): 1.07 (0.90-1.28)) or women (OR (95%CI): 1.03 (0.82-1.29), both P values >0.05). The basic hypertension prediction model included age, drinking (only in men), education status (only in men), systolic blood pressure (SBP), diastolic blood pressure (DBP), and fasting blood glucose levels. Based on the basic prediction model, BMI (in men: AUC=0.697) and BRI (only in men: AUC=0.696) improved area under ROC curve (AUC) significantly (P<0.05). BMI was the strongest predictor in both men (AUC=0.697) and women (AUC=0.685) in the extended model. Conclusion: Significant positive associations were detected between BMI, WC, WHtR, VAI, BRI and the incident risk of hypertension among elderly Chinese. BMI was the strongest predictor in hypertension prediction model compared with other anthropometric indices.
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111
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Lu YL, Zhang XM. [Experimental research on mesenchymal stem cells (MSCs) therapy for autoimmune uveitis]. [ZHONGHUA YAN KE ZA ZHI] CHINESE JOURNAL OF OPHTHALMOLOGY 2019; 54:712-715. [PMID: 30220187 DOI: 10.3760/cma.j.issn.0412-4081.2018.09.018] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Autoimmune uveitis is a major cause of visual disability. Treatment of chronic and recurrent uveitis can be extremely difficult, as various complications of it could impede the long-term usage of corticosteroids and immunosuppressants. Mesenchymal stem cells are of both immunosuppressive and neurotrophic effect, and can enhance the antimicrobial ability of the body, thereby hold great promise in clinical application for treating uveitis. (Chin J Ophthalmol, 2018, 54: 712-715).
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Huang L, Liu T, Ji H, Yang S, Sui J, Yang WS, Liang GY, Zhang XM. Expression pattern of estrogen receptor β and its correlation with multidrug resistance in non-small cell lung cancer. Neoplasma 2019; 66:847-857. [PMID: 31288527 DOI: 10.4149/neo_2018_181120n872] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2018] [Accepted: 04/10/2019] [Indexed: 11/08/2022]
Abstract
The aim of this work was to determine the expression of the ERβ (estrogen receptor β) and multidrug resistance, namely MDR1 (P-glycoprotein, P-gp), in 152 samples of non-small cell lung cancer. The expression pattern of ERβ and MDR1 were assessed by the quantitative reverse-transcriptase polymerase chain reaction (qRT-PCR) and immunohistochemistry. We also analyzed the correlation between ERβ and MDR1 with clinical and pathological data. The co-expression pattern of ERβ and individual MDR1 proteins was assessed by correspondence analysis and chi-squared tests. In the present study, we found that patients with tumor stage I-II showed higher ERβ mRNA expression levels and decreased expression of ERβ protein with increasing tumor grade, which is opposite to MDR1 expression. In addition, an opposite co-expression pattern of ERβ and individual MDR1 proteins was also observed. In conclusion, the results can be used to better understand the expression control of MDR1 and may allow for the establishment of new cancer chemistry strategies that will control P-gp expression in NSCLC.
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Wang F, Zhang LY, Zhang P, Cheng Y, Ye BZ, He MA, Guo H, Zhang XM, Yuan J, Chen WH, Wang YJ, Yao P, Wei S, Zhu YM, Liang Y. Effect of Physical Activity on Hospital Service Use and Expenditures of Patients with Coronary Heart Disease: Results from Dongfeng-Tongji Cohort Study in China. Curr Med Sci 2019; 39:483-492. [PMID: 31209822 DOI: 10.1007/s11596-019-2063-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2017] [Revised: 11/30/2018] [Indexed: 01/09/2023]
Abstract
The intervention of behaviors, including physical activity (PA), has become a strategy for many hospitals dealing with patients with chronic diseases. Given the limited evidence available about PA and healthcare use with chronic diseases, this study explored the association between different levels of PA and annual hospital service use and expenditure for inpatients with coronary heart disease (CHD) in China. We analyzed PA information from the first follow-up survey (2013) of the Dongfeng-Tongji cohort study of 1460 CHD inpatients. We examined factors such as PA exercise volume and years of PA and their associations with the number of inpatient visits, number of hospital days, and inpatient costs and total medical costs. We found that the number of hospital days and the number of inpatient visits were negatively associated with intensity of PA level. Similarly, total inpatient and outpatient costs declined when the PA exercise volume levels increased. Furthermore, there were also significant associations between the number of hospital days, inpatient costs or total medical costs and levels of PA years. This study provides the first empirical evidence about the effects of the intensity and years of PA on hospital service use and expenditure of CHD in China. It suggests that the patients' PA, especially the vigorous PA, should be promoted widely to the public and patients in order to relieve the financial burden of CHD.
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Hu XL, Xu ST, Wang XC, Luo JL, Hou DN, Zhang XM, Bao C, Yang D, Song YL, Bai CX. Development and validation of nomogram estimating post-surgery hospital stay of lung cancer patients: relevance for predictive, preventive, and personalized healthcare strategies. EPMA J 2019; 10:173-183. [PMID: 31258821 PMCID: PMC6562016 DOI: 10.1007/s13167-019-00168-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2018] [Accepted: 04/26/2019] [Indexed: 12/25/2022]
Abstract
OBJECTIVE In the era of fast track surgery, early and accurately estimating whether postoperative length of stay (p-LOS) will be prolonged after lung cancer surgery is very important, both for patient's discharge planning and hospital bed management. Pulmonary function tests (PFTs) are very valuable routine examinations which should not be underutilized before lung cancer surgery. Thus, this study aimed to establish an accurate but simple prediction tool, based on PFTs, for achieving a personalized prediction of prolonged p-LOS in patients following lung resection. METHODS The medical information of 1257 patients undergoing lung cancer surgery were retrospectively reviewed and served as the training set. p-LOS exceeding the third quartile value was considered prolonged. Using logistic regression analyses, potential predictors of prolonged p-LOS were identified among various preoperative factors containing PFTs and intraoperative factors. A nomogram was constructed and subjected to internal and external validation. RESULTS Five independent risk factors for prolonged p-LOS were identified, including older age, being male, and ratio of residual volume to total lung capacity (RV/TLC) ≥ 45.0% which is the only modifiable risk factor, more invasive surgical approach, and surgical type. The nomogram comprised of these five predictors exhibited sufficient predictive accuracy, with the area under the receiver operating characteristic curve (AUC) of 0.76 [95% confidence interval (CI) 0.73-0.79] in the internal validation. Also its predictive performance remained fine in the external validation, with the AUC of 0.70 (95% CI 0.60-0.79). The calibration curves showed satisfactory agreements between the model predicted probability and the actually observed probability. CONCLUSIONS Preoperative amelioration of RV/TLC may prevent lung cancer patients from unnecessary prolonged p-LOS. The integrated nomogram we developed could provide personalized risk prediction of prolonged p-LOS. This prediction tool may help patients perceive expected hospital stays and enable clinicians to achieve better bed management after lung cancer surgery.
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Li JP, Zhang XM, Zhang YS, Zheng LH, Liu YJ. The prognostic value of the 8th edition of the American Joint Committee on Cancer (AJCC) staging system in triple-negative breast cancer. Neoplasma 2019; 66:810-817. [PMID: 31129969 DOI: 10.4149/neo_2019_190107n26] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2019] [Accepted: 02/27/2019] [Indexed: 11/08/2022]
Abstract
The American Joint Committee on Cancer (AJCC) released its 8th edition of cancer staging implemented in early 2018. This study aims to compare anatomic staging (AS) with prognostic staging (PS) based on the updated AJCC 8th edition staging manual. A retrospective single-center analysis of 313 triple-negative breast invasive ductal carcinoma patients who received surgery at department of breast surgery in the Fourth Hospital of Hebei Medical University from 01/2010 -12/2012 was performed. All cases were restaged using the AJCC 8th edition AS and PS system. The 7-year disease-free survival (DFS) and the 7-year overall survival (OS) rates were 76.30% and 78.27%, respectively. Applying the PS system, 277 (88.5%) patients of the AS groups were upstaged to the PS groups, 31 cases with IIIC and 5 cases with IV unchanged (11.5%) and no cases downstaged. Both 7-year DFS and 7-year OS were significantly different in the different AS and PS groups (all, p<0.001). The PS system was found to provide better prognostic information in patients with AS group IIB. A total of 43 patients with AS group IIB were upstaged by PS system, in which 30 patients were +2 upstaged to PS IIIB, and 13 patients were +3 upstaged to PS IIIC. PS IIIB and IIIC from AS IIB had significant differences in 7-year DFS (χ2=5.628, p=0.014) and 7-year OS (χ2=6.037, p=0.018). Both AS and PS systems proposed in the 8th edition of the AJCC breast cancer staging manual had prognostic value in TNBC. Moreover, the PS system predicts clinical outcomes of TNBC patients more accurately than the traditional AS system.
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Zhang XM, Pang F. [Where is the road for hypopharyngeal surgery of OSA--hypopharyngeal surgery of OSA progress and confusion]. LIN CHUANG ER BI YAN HOU TOU JING WAI KE ZA ZHI = JOURNAL OF CLINICAL OTORHINOLARYNGOLOGY, HEAD, AND NECK SURGERY 2019; 33:289-291. [PMID: 30970394 DOI: 10.13201/j.issn.1001-1781.2019.04.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Subscribe] [Scholar Register] [Received: 11/07/2018] [Indexed: 11/12/2022]
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Zhang XM, Pang F, Huang JY, Tan Y, Liu J, Deng WM. [The efficacy of the improved tongue base suspension surgery combined with UPPP in the treatment of severe OSA]. LIN CHUANG ER BI YAN HOU TOU JING WAI KE ZA ZHI = JOURNAL OF CLINICAL OTORHINOLARYNGOLOGY, HEAD, AND NECK SURGERY 2019; 33:313-318. [PMID: 30970400 DOI: 10.13201/j.issn.1001-1781.2019.04.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 11/15/2018] [Indexed: 11/12/2022]
Abstract
Objective:This study was designed to show the preliminary efficacy and safety of the improved tongue base suspension surgery in severe obstructive sleep apnea(OSA) patients classified as Friedman Ⅱand Friedman Ⅲ. Method:The severe OSA patients diagnosed by PSG as Friedman Ⅱ type and Ⅲ type underwent surgery treatment. The tongue base of the patient was implanted with titanium plate and fixed on the chin of mandible. The UPPP surgery was performed with reference to H-UPPP. After surgery, the patients were followed up, PSG was re-examined and the change of various subjective and objective indicators of rehabilitation and adverse reactions were observed and recorded.Result: One hundred and two patients with severe OSA who were not tolerant or unwilling to use CPAP treatment were treated by the above surgical method. All the patients underwent surgery successfully and generally recovered about 1 month after the surgery without obvious tongue base pain, foreign body sensation or other discomfort. Eating and speaking function were as usual, the wound was healed well, and no serious infection or rejection was observed. The main postoperative adverse reactionwas tension line fracture(3 cases). Sixty-seven patients completed follow-up. At 3 to 6 months after surgery, the AHI, ESS sleepiness score and snore index were lower than those before surgery, while LSaO₂and CT 90% were higher than those before surgery(P<0.01). The AHI before surgery was 60.5± 22.4, and the average AHI after surgery was 27.8± 22.4. The effective rate of the surgery was 71.6% and the success rate was 58.2%. The AHI has dropped by an average of 54.0%, and snore improved by 63.9%. Conclusion: After preliminary clinical observation, the study suggests that the improved tongue base suspension with UPPP has satisfactory curative effect and feasibility for the treatment of severe OSA patients classified as Friedman Ⅱ type and Ⅲ type.
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Luo RM, Zhang XM, Du ZL, Wang Y, Chen W, Gu WJ, Si YJ, Xing GS, Wang Y, Hu B, Da WM. [Haploidentical hematopoietic stem cell transplantation in the treatment of acquired aplastic anemia in children: a single center retrospective analysis]. ZHONGHUA ER KE ZA ZHI = CHINESE JOURNAL OF PEDIATRICS 2019; 56:529-533. [PMID: 29996187 DOI: 10.3760/cma.j.issn.0578-1310.2018.07.011] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To investigate the safety and efficacy of haploidentical hematopoietic stem cell transplantation with different intensity conditioning regimen in the treatment of childhood aplastic anemia (AA) . Methods: Thirty-seven AA patients who underwent haploidentical transplantation in BaYi Children's Hospital Affiliated to PLA Army General Hospital from January 2013 to January 2017 were enrolled. According to the dosage of conditioning regimen, 34 patients excluding 3 other conditioning regimens were divided into high-dosage group (regimen 2, 22 cases) and low-dosage group (regimen 3, 12 cases). The data of Engraftment, graft-vs-host disease (GVHD), hematopoietic reconstitution, relapse, infection, overall survival (OS) were analyzed. The comparison between the two groups was tested by χ(2) test. Results: A total of 35 of 37 patients achieved primary engraftment; 2 cases died of regimen-related toxicity and severe infection before the infusing of the grafts. The activation rate of CMV and EBV was 60% (21/35) . Post-transplant lymphocyte disease (PTLD) of lung occurred in one case. The cumulative incidences of acute GVHD grade Ⅰ-Ⅳ and chronic GVHD were 29% (10/35) and 34% (12/35) respectively and the incidence of extensive chronic GVHD was 6% (2/35) . The median follow-up time was 18.8 (2.9-44.1) months, the OS was 92% (34/37) .All survived patients were no longer dependent on blood transfusion and none of them had recurrence. Comparing the rates of overall survival(86%(19/22) vs.100%(12/12)) and rates of chronic GVHD(40%(8/20) vs. 17%(2/12)) in regimen 2 and regimen 3 group, there were no significant difference (χ(2)=1.742, 1.841, all P>0.05) . Significant difference was found at the incidence of Ⅰ-Ⅳ acute GVHD (10% (2/20) vs. 50% (6/12) ,χ(2)=6.200, P=0.013). Conclusions: Haploidentical hematopoietic stem cell transplantation is effective and safe. It is suitable for patients who are not eligible for matched donor transplantation. Application of reduced dose preconditioning in haploid transplantation is worth exploring.
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Luo YD, Ding X, Du HM, Wu YN, Li HQ, Wu HM, Zhang XM. FOXM1 is a novel predictor of recurrence in patients with oral squamous cell carcinoma associated with an increase in epithelial‑mesenchymal transition. Mol Med Rep 2019; 19:4101-4108. [PMID: 30942437 PMCID: PMC6471394 DOI: 10.3892/mmr.2019.10094] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2018] [Accepted: 01/22/2019] [Indexed: 12/25/2022] Open
Abstract
Although forkhead box protein M1 (FOXM1) is markedly upregulated in human premalignant and oral squamous cell carcinoma (OSCC) tissues and cultured cells, the association of FOXM1 expression with OSCC prognosis is not well understood. The present study investigated the possible association of FOXM1 expression in patients with OSCC with their clinicopathological characteristics and clinical outcomes. The expression of FOXM1 protein in OSCC tissues from 119 patients was evaluated by immunohistochemistry, and the results demonstrated that FOXM1 overexpression in patients with OSCC was associated with tumour recurrence and poor prognosis. To study the in vitro effects of FOXM1, its expression was decreased by small interfering RNA (siRNA) in OSCC cell lines, and FOXM1 knockdown decreased the proliferative, migratory and invasive capacities of cells. FOXM1 inhibition by siRNA gave rise to reduced expression of vimentin and increased expression of E‑cadherin. The present study reported FOXM1 as a novel predictor of tumour recurrence in patients with OSCC and its potential involvement in epithelial‑mesenchymal transition in OSCC cells.
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Du J, Lin L, Li Z, Sun JB, Yuan N, Zhao X, Li F, Zhang J, Zhang XM, Ji LN. [The influence of different thyroid stimulating hormone cut-offs to diagnose subclinical hypothyroidism during the first trimester of pregnancy]. ZHONGHUA YI XUE ZA ZHI 2019; 99:120-123. [PMID: 30669750 DOI: 10.3760/cma.j.issn.0376-2491.2019.02.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Objective: To analyze the influence of different thyroid stimulating hormone (TSH) cut-offs to diagnose subclinical hypothyroidism (SCH) in the first trimester of gestation. Methods: A total of 896 pregnant women were enrolled in Peking University International Hospital between October 2016 and March 2018. Among them, 421 pregnant women with single fetus who were conformed to the criteria of National Academy of Clinical Biochemistry (NACB), without adverse pregnancy outcomes and obstetric complications, were selected to establish their self-sequential longitudinal reference ranges of thyroid function. Then, SCH was diagnosed in the first trimester, using different TSH cutoffs, such as the upper limit of the first trimester-specific reference range, 4.0 mU/L recommended by the 2017 Guidelines of American Thyroid Association (ATA), 5.17 mU/L (Roche reagent) recommended by 2012 Guidelines of Chinese Society of Endocrinology and Chinese Society of Perinatal Medicine, and 2.5 mU/L recommended by 2011 Guidelines of ATA, respectively. Results: The TSH reference range was 0.12-4.16 mU/L in the first trimester. Using TSH>4.16, 4.0, 5.17 and 2.5 mU/L to diagnose SCH in the first trimester, the prevalence rates were 4.35% (39/896), 5.92% (53/896), 1.56% (14/896) and 20.87% (187/896), respectively. There was no statistically significant difference between the prevalence rates of SCH using the TSH upper reference limit of 4.0 mU/L and 4.16 mU/L (P=0.134). When TSH was defined as>4.0 mU/L to diagnose SCH, the sensitivity, specificity and Youden index was 97.4%, 98.2%, and 0.956, respectively. Conclusions: The TSH upper reference limit of 4.0 mU/L recommended by 2017 Guidelines of ATA can be used as a cut-off to diagnose SCH in first trimester for the areas without trimester-specific reference ranges for TSH in China.
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Xu P, Long ZH, Zhang XM, Liu XQ, Xie WG. [One case of refractory gout with high fever]. ZHONGHUA SHAO SHANG ZA ZHI = ZHONGHUA SHAOSHANG ZAZHI = CHINESE JOURNAL OF BURNS 2019; 35:224-227. [PMID: 30897871 DOI: 10.3760/cma.j.issn.1009-2587.2019.03.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
On 17th June 2017, a 50 years old man with refractory gout was admitted in our hospital. During the treatment, he was accompanied by intermittent fever (39 to 40 ℃) of unknown origin for 60 days and gastrointestinal bleeding, with difficult wound repair. After comprehensive treatment of thorough debridement, vacuum sealing drainage, skin graft, skin flap repair, and drug administration, the patient was discharged fully recovered on post hospitalization day 104.
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Xu RY, Zhou YQ, Zhang XM, Wan YP, Gao X. A two-year study of parental obesity status and childhood obesity in China. Nutr Metab Cardiovasc Dis 2019; 29:260-267. [PMID: 30642789 DOI: 10.1016/j.numecd.2018.11.004] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/09/2018] [Revised: 11/13/2018] [Accepted: 11/14/2018] [Indexed: 11/15/2022]
Abstract
BACKGROUND AND AIMS We evaluated the association between parental obesity and their children's obesity parameters [e.g., percentage of body fat (PBF)] over time. METHODS AND RESULTS The study included 2066 Chinese parents-children trios (n = 1001 girls and 1065 boys, aged 6-14 years). Children's height, weight, waist circumference (WC) and PBF (bioelectrical impedance analysis) were annually assessed from 2014 (baseline) to 2016. Information on parental height and body weight, and children's diet and physical activity was collected in 2014. The association between parental obesity and changes in their children's PBF during follow-up was analyzed using a mixed effects model. We also examined changes in children's BMI and WC in secondary analyses. Baseline mean BMI, WC, and PBF for children were 17.6 ± 3.5 kg/m2, 60.5 ± 9.6 cm, and 16.6 ± 6.5%, respectively. We observed that maternal, but not paternal, obesity was associated with a greater increase in children's PBF during the follow-up. An adjusted mean difference in annual increase of PBF was 0.41% [95% confidence interval (CI): 0.01%, 0.84%] for children with obese mothers, compared with those with normal-weight mothers. Both maternal and paternal obesity was associated with a greater increase in their children's BMI and WC (p trend<0.01 for both); however, the associations were stronger in mother-children pairs than those in father-children pairs. CONCLUSIONS Maternal obesity was associated with a greater increase in PBF in Chinese school-aged children.
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OuYang PY, Zhang XM, Qiu XS, Liu ZQ, Lu L, Gao YH, Xie FY. A Pairwise Meta-Analysis of Induction Chemotherapy in Nasopharyngeal Carcinoma. Oncologist 2019; 24:505-512. [PMID: 30782977 DOI: 10.1634/theoncologist.2018-0522] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2018] [Accepted: 01/08/2019] [Indexed: 11/17/2022] Open
Abstract
BACKGROUND Locoregionally advanced nasopharyngeal carcinoma has high risk of distant metastasis and mortality. Induction chemotherapy is commonly administrated in clinical practice, but the efficacy was quite controversial in and out of randomized controlled trials. We thus conducted this pairwise meta-analysis. MATERIALS AND METHODS Trials that randomized patients to receive radiotherapy or concurrent chemoradiotherapy with or without induction chemotherapy were identified via searches of PubMed, MEDLINE, and ClinicalTrials.gov. RESULTS A total of ten trials (2,627 patients) were included. The pooled hazard ratios (HRs) based on fixed effect model were 0.68 (95% confidence interval [CI] 0.56-0.80, p < .001) for overall survival (OS) and 0.70 (95% CI 0.61-0.79, p < .001) for progression-free survival (PFS), which strongly favored the addition of induction chemotherapy. The absolute 5-year survival benefits were 8.47% in OS and 10.27% in PFS, respectively. In addition, based on the available data of eight trials, induction chemotherapy showed significant efficacy in reducing locoregional failure rate (risk ratio [RR] = 0.81, 95% CI 0.68-0.96, p = .017) and distant metastasis rate (RR = 0.69, 95% CI 0.58-0.82, p < .001). CONCLUSION This pairwise meta-analysis confirms the benefit in OS, PFS, and locoregional and distant controls associated with the addition of induction chemotherapy in nasopharyngeal carcinoma. IMPLICATIONS FOR PRACTICE According to the results of this meta-analysis of ten trials, induction chemotherapy can prolong overall survival and progression-free survival and improve locoregional and distant controls for nasopharyngeal carcinoma.
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Yang QH, Zhang Y, Zhang XM, Li XR. Prevalence of diabetic retinopathy, proliferative diabetic retinopathy and non-proliferative diabetic retinopathy in Asian T2DM patients: a systematic review and Meta-analysis. Int J Ophthalmol 2019; 12:302-311. [PMID: 30809489 DOI: 10.18240/ijo.2019.02.19] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Accepted: 12/07/2018] [Indexed: 12/19/2022] Open
Abstract
AIM To investigate the pooled prevalence of diabetic retinopathy (DR), proliferative DR (PDR) and nonproliferative DR (NPDR) in Asian type 2 diabetes mellitus (T2DM) patients. METHODS We performed a systematic search online search using PubMed, EMBASE, Web of Science, the Cochrane Library, and China WeiPu Library to identify eligible studies that reported the prevalence of DR, PDR and NPDR in Asian T2DM patients. Effect size (ES) with 95% confidence interval (CI) was used to evaluate the prevalence of DR, PDR and NPDR in Asian T2DM patients, respectively. RESULTS There were 41 references and 48 995 T2DM patients involved in this study. The prevalence of DR, PDR, and NPDR was 28%, 6%, and 27% in T2DM patients, respectively; while the prevalence of PDR and NPDR in DR patients was 17% and 83%, respectively. Subgroup analysis showed that prevalence of DR in T2DM patients from Singaporean, Indian, South Korean, Malaysian, Asian, and Chinese was 33%, 42%, 16%, 35%, 21% and 25%, respectively. In T2DM patients with NPDR from Indian, South Korean, Malaysian, Asian, Chinese, higher prevalence was found than that in PDR patients (45% vs 17%, 13% vs 3%, 30% vs 5%, 23% vs 2% and 22% vs 3%), as well as in DR patients (74% vs 26%, 81% vs 19%, 86% vs 14%, 92% vs 8% and 85% vs 15%). The prevalence of PDR in T2DM from India was higher than patients from other locations of Asia, and the same results were also observed in NPDR patients. CONCLUSION In either T2DM Asian patients or DR patients, NPDR is more common than PDR. Based on our results, we should pay more attention to NPDR screening and management in T2DM patients, and we also recommend suitable interventions to prevent its progression.
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Zhang XM. [The evidential research on the versions of Shanghan Lun Ben Zhi]. ZHONGHUA YI SHI ZA ZHI (BEIJING, CHINA : 1980) 2019; 49:29-33. [PMID: 30970422 DOI: 10.3760/cma.j.issn.0255-7053.2019.01.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Shanghan Lun Ben Zhi(, Essential intention of Treatise on Febrile Diseases Caused by Cold) have many versions: the edition of Yanshan bookstore was published in the 16th year of Daoguang (1836); the edition of Juwentang was published during the Tongzhi period; the lithographic printing of Licheng Sanyou Yizhai was published in the 1st year of Xuantong (1909); the Qiu Jisheng's edition was published in the 8th year of the Republic of China (1919); the lithographic printing of Shaoxing Moruntang book court was published in the 18th year of the Republic of China (1929); the photocopy of lithographic printing of Licheng Sanyou Yizhai in the 1st year of Xuantong (1909) was published by Taiwan Freedom Press in 1973; the photocopy of Juwentang's edition during the Tongzhi period was published through Xuxiu Siku Quanshu(, Continuation of Complete Library of Four Branches of Literature) by Shanghai Ancient Books Publishing House in 2002; the photocopy of Tongzhi's edition was published through Zhongyi Guji Zhenben Jicheng (, Integration of Ancient Books of Traditional Chinese Medicine: continued) by Hunan Science and Technology Publishing House in 2014; the point collation edition of Xuxiu Siku Quanshu Shanghan Lei Yizhu Jicheng(, Continuation of the Integration of Typhoid Medical Works in Complete Library of Four Branches of Books) was published by Jiangsu Science and Technology Press in 2010. The description of Sibu Zonglu Yiyao Bian(, Four general catalogues medical editorial) was recorded in Daoguang's 16th year (1836) of Yanshan bookstore as "the edition of Qing Daoguang's 15th year Yiwei" ; in addition, Zhongguo Zhongyi Guji Zongmu(, Chinese traditional medicine ancient books general catalogue) was recorded in Daoguang's 16th year (1836) of Yanshan bookstore as "the Yanshan bookstore engraved edition in Qingdaoguang's 15th year Yiwei (1835)" , but they were both errors. The photocopy Tongzhi edition of Xuxiu Siku Quanshu was mistakenly entitled "edition of Qing Daoguang Lithography of Yanshan Bookstore Print" . The description of Shanghan Lun Ben Zhi in Zhongguo Zhongyi Guji Zongmu had the edition of Qing Daoguang's 9th year Jichou (1829) and the edition of Guangdong Dasheng pharmaceutical bureau of the Republic of China.
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