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Objective:To evaluate the efficacy of total laparoscopic surgery vs. open surgery for hilar cholangiocarcinoma. Methods:The clinical data of 45 patients undergoing laparoscopic radical resection of hilar cholangiocarcinoma and 42 patients by open surgery from Mar 2017 to Mar 2021 were retrospectively analyzed.Results:There was no significant difference in demographics, Bismuth classification and excision extension between the two groups (all P>0.05). The laparoscopic surgery used longer time ( t=-1.366, P<0.05). The intraoperative blood loss, number of lymph node dissection and postoperative hospital stay favored laparoscopic method( t=0.043, t=0.026, t=-1.852, P<0.05). R 0 radical resection rate,postoperative complications were also in favor of laparoscopic surgery ( χ2=3.216, χ2=2.566, all P<0.05). There was no significant difference in postoperative pathology and in hospital expenses (all P>0.05). The 1- and 3-year survival rate of the laparoscopic group was superior (all P<0.05). Conclusions:In spite of longer operational time,patients in laparoscopic hilar cholangiocarcinoma radical resection group have shorter postoperative in hospital stay and longer postoperative survival time.
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Repetitive transcranial magnetic stimulation (rTMS) is a safe and non-invasive technique. In recent years, many studies have demonstrated that rTMS can improve cognitive function in Alzheimer's disease (AD) patients and has potential as a therapeutic method for AD. However, the efficacy varies greatly with different rTMS treatment regimens, which is related to the frequency, type, location, duration, intensity and focusing power of stimulation. Recent studies have shown that high-frequency stimulation is superior to low-frequency stimulation; efficacy of intermittent theta burst stimulation (iTBS) is similar to that of conventional rTMS, but iTBS treatment session is shorter and might be more acceptable for AD patients; rTMS stimulation sites targeting AD-damaged brain regions or associated networks would be more effective; short-term intensive treatment combined with long-term maintenance treatment can gain long-term efficacy; dynamic adjustment of stimulus intensity combined with the degree of cognitive impairment can enhance the efficacy; functional connection based on functional magnetic resonance imaging may improve the focusing power of rTMS. In this article, we review the factors related to the efficacy of rTMS, to provide reference for feasible rTMS therapeutic regimens of AD.
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Humanos , Doença de Alzheimer/terapia , Encéfalo , Cognição , Imageamento por Ressonância Magnética , Estimulação Magnética TranscranianaRESUMO
@#Objective To study the clinical characteristics and differentiation between TS-AMCI and AF-AMCI.It aims to help clinicians better distinguish and treat patients with two diseases.Methods The clinical symptoms,imaging tests,prognostic data of 30 TS-AMCI (TS-AMCI group) and 39 AF-AMCI (AF-AMCI group) who received hospital treatment from June 2017 to June 2020 in Rizhao people’s Hospital were retrospectively analyzed.Results The proportion of hypertension,diabetes and stroke history in TS-AMCI group was lower than that in AF-AMCI group (P<0.05);But the plasma fibrinogen and D-dimer in TS-AMCI group were significantly higher than those in AF-AMCI group (P<0.001).The proportion of the number of cerebral infarction lesions less than 10 in DWI of TS-AMCI group was significantly lower than that in AF-AMCI group (P<0.001).The number of cerebral infarction lesions in bilateral anterior and posterior circulation in TS-AMCI group was significantly higher than that in AF-AMCI group(P<0.001),while,AF-AMCI group was characterized by unilateral anterior circulation,which was significantly higher than that in TS-AMCI group (P<0.001).The mRS score and the Death cases at 30 days of follow-up in TS-AMCI group were significantly higher than those in AF-AMCI group (P<0.05).Conclusion Compared with the AF-AMCI group.The traditional risk factors of stroke such as hypertension and diabetes in TS-AMCI group were more rare than those in AF-AMCI group.The plasma fibrinogen and D-dimer value increased more obviously and multiple small lesions in the blood supply area of multiple arteries were more common in TS-AMCI group.There was no significant difference in clinical manifestations at the onset of the disease between the two groups,but the prognosis of TS-AMCI group was poor at 30 days.
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Background@#Pseudorabies (PR), caused by the pseudorabies virus (PRV), is an endemic disease in some regions of China. Although there are many reports on epidemiological investigations into pseudorabies, information on PRV gI antibody dynamics in one pig farm is sparse. @*Objectives@#To diagnose PR and analyze the course of PR eradication in one pig farm. @*Methods@#Ten brains and 1,513 serum samples from different groups of pigs in a pig farm were collected to detect PRV gE gene and PRV gI antibody presence using real-time polymerase chain reaction and enzyme-linked immunosorbent assay, respectively. @*Results@#The July 2015 results indicated that almost all brain samples were PRV gE gene positive, but PRV gI antibody results in the serum samples of the same piglets were all negative.In the boar herd, from October 2015 to July 2018 three positive individuals were culled in October 2015, and the negative status of the remaining boars was maintained in the following tests. In the sow herd, the PRV gI antibody positive rate was always more than 70% from October 2015 to October 2017; however, it decreased to 27% in January 2018 but increased to 40% and 52% in April and July 2018, respectively. The PRV gI antibody positive rate in 100-day pigs markedly decreased in October 2016 and was maintained at less than 30% in the following tests. For 150-day pigs, the PRV gI antibody positive rate decreased notably to 10% in April 2017 and maintained a negative status from July 2017. The positive trend of PRV gI antibody with an increase in pig age remarkably decreased in three tests in 2018. @*Conclusions@#The results indicate that serological testing is not sensitive in the early stage of a PRV infection and that gilt introduction is a risk factor for a PRV-negative pig farm. The data on PRV gI antibody dynamics can provide reference information for pig farms wanting to eradicate PR.
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Background@#Pseudorabies (PR), caused by the pseudorabies virus (PRV), is an endemic disease in some regions of China. Although there are many reports on epidemiological investigations into pseudorabies, information on PRV gI antibody dynamics in one pig farm is sparse. @*Objectives@#To diagnose PR and analyze the course of PR eradication in one pig farm. @*Methods@#Ten brains and 1,513 serum samples from different groups of pigs in a pig farm were collected to detect PRV gE gene and PRV gI antibody presence using real-time polymerase chain reaction and enzyme-linked immunosorbent assay, respectively. @*Results@#The July 2015 results indicated that almost all brain samples were PRV gE gene positive, but PRV gI antibody results in the serum samples of the same piglets were all negative.In the boar herd, from October 2015 to July 2018 three positive individuals were culled in October 2015, and the negative status of the remaining boars was maintained in the following tests. In the sow herd, the PRV gI antibody positive rate was always more than 70% from October 2015 to October 2017; however, it decreased to 27% in January 2018 but increased to 40% and 52% in April and July 2018, respectively. The PRV gI antibody positive rate in 100-day pigs markedly decreased in October 2016 and was maintained at less than 30% in the following tests. For 150-day pigs, the PRV gI antibody positive rate decreased notably to 10% in April 2017 and maintained a negative status from July 2017. The positive trend of PRV gI antibody with an increase in pig age remarkably decreased in three tests in 2018. @*Conclusions@#The results indicate that serological testing is not sensitive in the early stage of a PRV infection and that gilt introduction is a risk factor for a PRV-negative pig farm. The data on PRV gI antibody dynamics can provide reference information for pig farms wanting to eradicate PR.
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Objective:To compare the embedding anastomosis with the intermittent eversion anastomosis on the pancreatic fistula rates after laparoscopic pancreaticoduodenectomy (LPD).Methods:The clinical data of 116 patients who underwent LPD at the Center Hospital of Xianyang City affiliated to Xi' an Jiaotong University Health Science Center from March 2016 to March 2020 were retrospectively studied. According to the method of pancreaticojejunostomy used, these patients were divided into the following two groups: the embedding anastomosis group ( n=55) and the intermittent eversion anastomosis group ( n=61). The duration of pancreaticojejunostomy, bilioenterostomy and gastrointestinal anastomoses, and the amounts of intraoperative blood loss and postoperative complication rates were compared between the two groups. Results:Of 116 patients in this study, there were 67 males and 49 females, with a median age of 61.5 years. No perioperative death occurred in the 2 groups. The operation time, digestive tract reconstruction time and pancreaticojejunostomy time in the embedded anastomosis group were (260±20), (65±15) and (35±15) min, respectively, which were significantly lower than those in the intermittent eversion anastomosis group (305±25), (81±25) and (45±12) min, (all P<0.05). The grade A and B pancreatic fistula rates in the embedded anastomosis group were 27.3%(15/55) and 21.8%(12/55), respectively, which were significantly higher than those in the intermittent eversion anastomosis group [8.2%(5/61) and 6.6%(4/61)], (all P<0.05). The postoperative hospital stay in the intermittent eversion anastomosis group (10.3±1.1) d was significantly lower than that in the embedding anastomosis group [(15.2±3.2) d, P<0.05]. Conclusion:In LPD, when compared with embedded pancreaticojejunostomy, intermittent eversion pancreaticojejunostomy reduced the postoperative pancreatic fistula rate and shortened the postoperative hospital stay.
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Objective@#To investigate the role of human papillomavirus (HPV) 16 early genes E2 and E6 and heterogeneous nuclear ribonucleoprotein (hnRNP) E2 and their interaction effects in the progression of the cervical cancer.@*Methods@#Women with normal cervix (NC), low cervical intraepithelial neoplasia (CIN Ⅰ) and high cervical intraepithelial neoplasia (CIN Ⅱ/Ⅲ) from the cervical lesions cohort in Jiexiu County of Shanxi Province from June 2014 to September 2014, and patients with cervical squamous cell carcinoma (SCC) treated at the Second Hospital of Shanxi Medical University in the same period were enrolled in this study. There were 257 participants, about 67 NC cases (26.07%), 69 CIN Ⅰ cases (26.85%), 68 CIN Ⅱ/Ⅲ cases (26.46%), and 53 SCC cases (20.62%), respectively. The information of demographic characteristics, life health habits and cervical lesions were collected by using the structured questionnaire. Cervical exfoliated cells and cervical biopsy tissues were collected to detect the infection of HPV16 and the protein expression levels of hnRNP E2, HPV16 E2 and E6. According to the median-value of the protein expression levels of hnRNP E2, HPV16 E2 and E6 and E2/E6 ratio in the NC group, the study participants were divided into the high and low expression groups/ratio groups. The multivariate logistic regression model was used to analyze the correlation between HPV16 early gene E2 and E6, hnRNP E2 and cervical cancer. The interaction effect was analyzed by using the generalized multifactor dimensionality reduction (GMDR) model.@*Results@#The ages of NC, CIN Ⅰ, CIN Ⅱ/Ⅲ and SCC groups were (47.00±9.07), (47.64±7.35), (46.37±8.67) and (51.26±8.03) years old, respectively. The multivariate logistic regression model analysis showed that the HPV16 E2 low expression, E6 high expression and E2/E6 low ratio could increase the risk of CIN Ⅱ/Ⅲ, about OR (95%CI) values 11.11 (1.63-75.56), 8.00 (1.28-50.04), and 9.75 (1.22-77.72), respectively and SCC, about OR (95%CI) values 14.22 (2.11-95.88), 10.33 (1.67-64.00), and 12.38 (1.56-97.91), respectively. The hnRNP E2 low expression could increase the risk of CIN Ⅱ/Ⅲ and SCC, about OR (95%CI) values 3.35 (1.39-8.10) and 5.53 (1.54-19.88). The result of GMDR showed that there were interaction effects of the hnRNP E2 low expression, HPV16 E2 low expression and HPV16 E6 high expression in both CIN Ⅱ/Ⅲ and SCC groups.@*Conclusion@#The HPV16 E2 low expression, HPV16 E6 high expression and hnRNP E2 low expression could increase the risk of high-grade cervical intraepithelial neoplasia and cervical cancer, and they might have an important interaction effect in the progression of the cervical cancer.
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Objective:To study the impact of traditional versus artery first approach in laparoscopic pancreaticoduodenectomy (LPD).Methods:The clinical data of 58 patients who underwent laparoscopic pancreaticoduodenectomy using the two different approaches from February 2016 to August 2018 at the Xianyang Central Hospital affiliated to Xi'an Jiaotong University Medical Department were retrospectively analyzed.Results:All 58 patients successfully underwent the complete laparoscopic Whipple operation using the Child digestive tract reconstruction and anastomosis. There was no conversion to laparotomy. The average operation times for the conventional approach group (35 cases) was (302.0±20.0) min and the digestive tract reconstruction time was (36.0±15.0) min. The intraoperative blood loss was (365.0±150.0) ml. Negative pathological resection margins on intraoperative frozen section examination were achieved in 33 patients. Early postoperative complications happened in 6 patients which included grade A pancreatic fistula in 3 patients (1 patient complicated with biliary fistula and 1 patient complicated with gastric emptying disorder), and grade B pancreatic fistula in 2 patients who were complicated with abdominal hemorrhage, successfully treated by conservative treatment. Postoperative pathological examination showed that 32 patients (91.4%) had R 0 resection and 3 patients (8.6%) had R 1 resection. The number of lymph node dissection was (7.5±5.5). On the other hand, the average operation time of the artery first access group (23 cases) was (355.0±25.0) min, and the reconstruction time of digestive tract was (41.0±12.0) min. The amount of bleeding was (410.0±200.0) ml. During the operation, 22 patients had negative resection margins shown on pathological frozen sections. Early postoperative complications occurred in 3 patients, including 1 patient with grade A pancreatic fistula which was complicated with gastric emptying disorder, and 2 patients with grade B pancreatic fistulas which were complicated with abdominal hemorrhage. The patients were successfully managed by conservative treatment. Postoperative pathological examination showed that 22 patients (95.7%) had R 0 resection and 1 patient (4.3%) R 1 resection. The number of lymph node dissection was (6.8±4.2). Conclusion:The LPD surgical approach was selected according to the general conditions of patients, locations of tumors, relationship of tumors with blood vessels, and technical skills of surgeons with the aims to achieve adequate lesion clearance, organ protection, damage control, and safety and efficiency of minimally invasive surgery.
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Objective To understand the situation of college students' knowledge, attitude and practice (KAP) of innovation and entrepreneurship activities and analyze their influencing factors, in order to provide a scientific basis for further promotion of innovation and entrepreneurship activities. Methods A self-administered questionnaire survey using cluster sampling method was conducted among 850 undergraduates in a medical university in May, 2018. The demographic characteristics and questions pertaining to the KAP of innovation and entrepreneurship activities were collected, The weighted scores of KAP were calculated using the Delphi method. Chi-square test, multivariate logistic regression and linear regression analysis were used to analyze the data. Results A total of 850 questionnaires were sent out and 800 valid questionnaires were collected. The average scores and pass rates for the knowledge, attitude and practice of the 800 college students were (0.54 ±0.14), 38.1%; (0.56 ±0.23), 51.5%; and (0.37 ±0.19), 12.6%, respectively. Knowledge: the pass rate for the concepts related to innovation and entrepreneurship was 70.5%, and the pass rate for the policies related to innovation and entrepreneurship was 17.2%. The pass rate of senior students and excellent students were higher than those of junior students and students of lower academic competence (P=0.000, P=0.004). Attitudes: the pass rate for attitude towards the relationship between innovation and entrepreneurship and personal development was 63.6%, the pass rate for attitudes towards participation in innovation and entrepreneurship was 49.8%, and the pass rate for attitudes towards the school continuing to carry out innovation and entrepreneurship related activities was 23.8%. Practice:the pass rates for participation in scientific research and academic activities and social practice , voluntary cultivation of innovation ability and self-employment were 8.5%, 62.9%, 11.9%and 27.3%, respectively. The pass rate of senior grades was higher than that of junior grades (P=0.001). Scores for knowledge and those of attitude are positively correlated. Scores for practice and those of knowledge and attitude are positively correlated. Conclusion The higher pass rates for medical college students' attitude toward innovation and entrepreneurship activities as compared to those for knowledge and practice indicates high eagerness toward participation in innovation and entrepreneurship activities; a high rate knowledge is conducive to the cultivation of attitudes and the improvement of participation in activities . Therefore , it is necessary to strengthen the efforts in carrying out innovation and entrepreneurship activities , improve publicity and education, and promote the awareness-raising of innovation and entrepreneurship.
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Clinical isolated syndrome (CIS) is the first episode of neurological symptoms caused by inflammatory demyelinating disease of central nervous system.About 85% patients with multiple sclerosis (MS) have CIS as onset;about 45% CIS patients convert to clinically definite MS (CDMS)within two years.Early disease modifying treatment is beneficial to those CIS patients who have high risk of converting to MS,so it is necessary to find predictors to predict CIS converting to MS.In recent years,there are many studies on predictors of CIS converting to MS in CSF,serology,clinical symptoms,and images.We review some recent advances in those studies.
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Objective@#To explore the effects of hnRNP E1 and both early genes E2 and E6 of HPV16 as well as their interactions in the progression of cervical carcinogenesis.@*Methods@#Subjects of this study included 56 women with normal cervix (NC), 58 patients with low-grade cervical intraepithelial neoplasm (CINⅠ) and 50 patients with high-grade cervical intraepithelial neoplasm (CINⅡ/Ⅲ) who were all recruited from the 'Cervical Lesions Study Cohort Project’ in Jiexiu of Shanxi province from June to September, 2014. Another 40 patients with cervical squamous cell carcinoma (SCC) were from the Shanxi Tumor Hospital during the same period. Information related to cervical lesions were collected, using a structured questionnaire, with cervical tissues and cervical exfoliated cells gathered from all the participants. HPV infection was detected by flow-through hybridization, while the levels of expression on hnRNP E1, HPV16 E2 and E6 protein were measured by Western Blot. Kruskal-Wallis H test, χ2 test, trend χ2 test were analyzed by SPSS 22.0 software, while interaction was evaluated by generalized multifactor dimensionality reduction (GMDR).@*Results@#The overall infection rates of HPV16 related to CINⅠ (15.52%, 9/58), CINⅡ/Ⅲ (40.00%, 20/50) and SCC (67.50%, 27/40) groups were all higher than that of the NC group (8.93%, 5/56) and with an increasing trend on the severity of cervical lesions (trend χ2=43.613, P<0.001). The levels of expression on hnRNP E1 protein were significantly different in the groups with different cervical lesions (H=9.98, P=0.019), showing a decreasing trend with the severity of cervical lesions (trend χ2=9.495, P=0.002). The levels of expression on HPV16 E2 (H=16.20, P=0.001) and HPV16 E6 (H=15.44, P=0.001) were significantly different in groups with different cervical lesions. Results of GMDR showed that the best interaction model in both groups of CINⅡ/Ⅲ and SCC appeared as hnRNP E1 low expression, HPV16 E2 low expression and HPV16 E6 high expression. However, no similar interaction was seen in CINⅠ (P>0.05).@*Conclusions@#Both low expressions of hnRNP E1 and abnormal expression of HPV16 E2 and E6 could increase the risk of high-grade CIN and cervical cancer. It seemed that they might have an important synergistic effect on the progression of cervical cancer.
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Objective To evaluate the effects of polycyclic aromatic hydrocarbons (PAHs) and high risk human papillomavirus (HR-HPV) infection and their interaction on the progression of cervical intraepithelial neoplasia.Methods A total of 486 patients,including 208 women with normal cervix (NC),154 patients with low-grade cervical intraepithelial neoplasm (CIN Ⅰ),124 patients with high-grade cervical intraepithelial neoplasm (CIN Ⅱ/Ⅲ),were selected from the cervical lesions cohort from June to December,2014.HR-HPV was detected by using flow-through hybridization technology and the urine concentration of 1-hydroxypyrene (1-OHP) was detected with high performance liquid chromatography.By using software SPSS 22.0,the x2 test,trend x2 test,Kruskal-Wallis H test,Nemenyi rank test and Spearman rank correlation analysis were performed.And the interaction effects were evaluated by additive model.Results The HR-HPV infection rates in NC,CIN Ⅰ and CIN Ⅱ/Ⅲ groups were 27.9%,37.0% and 58.9%,respectively.The urine concentrations of 1-OHP (pmol/molCr) were 0.07 ± 0.09,0.11 ± 0.10 and 0.17 ± 0.15,respectively.With increasing severity of the cervical lesions,the HR-HPV infection rate gradually increased (trend x2=29.89,P<0.001) and the high exposure rate of PAHs gradually increased (trendx2 =27.94,P<0.001).HR-HPV infection was positively correlated with 1-OHP exposure (r=0.680,P<0.001).There was a positive additive interaction between HPV infection and PAHs exposure in CIN Ⅱ/Ⅲ group,but it was not found in CIN Ⅰ group.Conclusion Both HR-HPV infection and high exposure of PAHs might increase the risk of cervical intraepithelial neoplasm,and might have a synergistic effect on the progression of high-grade cervical intraepithelial neoplasia.
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Objective To explore the relationship between abnormal expression of fragile histidine triad (FHIT) gene and methyl-CpG-binding protein 2 (MeCP2) as well as their interaction on cervical cancerization.Methods A total of 73 patients with cervical squamous cell carcinoma (SCC),113 patients with cervical intraepithelial neoplasia (CIN Ⅰ,n =45;CIN Ⅱ/Ⅲ,n=68) and 60 women with normal cervix (NC) were included in the study.Real time PCR and Western blot were performed to detect the expression levels of mRNA and protein about FHIT and MeCP2,respectively.The methylation status of FHIT gene CpG island was tested by methylation-specifc PCR (MSP).Kruskal-Wallis H test,x2 test,trend x2 test and Spearman correlation analysis were conducted with software SPSS 20.0.The interaction was evaluated by generalized multifactor dimensionality reduction (GMDR) model.Results With the deterioration of cervical lesion,the methylation rates of FHIT gene CpG island (x2=18.64,P<0.001;trendx2=18.08,P<0.001) increased gradually,while the expression levels of FHIT mRNA (H=27.32,P<0.001;trendx2=12.65,P<0.001) and protein (H=47.10,P<0.001;trendx2=29.79,P<0.001) decreased gradually.There was a negative correlation between the methylation rates of FHIT gene CpG island and the expression level of FHIT protein (r=-0.226,P<0.001).The levels of MeCP2 mRNA (H=26.19,P<0.001;trend x2=11.81,P=0.001) and protein (H=69.02,P< 0.001;trend x2 =47.44,P< 0.001) increased gradually with the aggravation of cervical lesions.There was a positive correlation between the expression level of MeCP2 protein and the FHIT mRNA Ct ratio (r=0.254,P<0.001).Expression of proteins were negatively correlated between MeCP2 and FHIT (r=-0.213,P=0.001).The results analyzed by GMDR model showed that there were interactions among high MeCP2 protein expression,the CpG island methylation of FHIT and mRNA and protein expression in CIN Ⅱ/Ⅲ group,and among high MeCP2 mRNA and protein expression,the CpG island methylation of FHIT and low mRNA and protein expression in SCC group.Conclusion High expression of MeCP2 mRNA and protein,the CpG island methylation and low mRNA and protein expression of FHIT could increase the risk of cervical carcinogenesis,and there might be a synergistic effect on cervical carcinogenesis.
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Objective To explore the relationship between male sexual function and daily exposure to bisphenol A (BPA) at a reproductive center in Taiyuan.Methods Male patients who were seeking treatment of infertility due to problems caused by either of the spouse were selected from the Shanxi reproductive center between September 2014 and April 2015.Information on general characteristics,sexual function and fasting venous blood samples were collected.Total scores of sexual function were evaluated by Delphi expert scoring method.Levels of serum BPA were measured by high-performance liquid chromatography.Data was analyzed by Spearman rank correlation,rank sum test,multivariate logistic regression analysis andx2 trend test.Relationship between BPA and sexual function was presented as OR and corresponding 95%CI.Results Among the 353 participants,45.0% was defined as sexual dysfunction with low sexual desire (47.3%) as the major reason.BPA was detected in all the 353 patients,with a range of concentration as 0.38-21.93 ng/ml and an average as 5.79 ng/ml.Results from the Spearman rank correlation analysis revealed significant negative correlations between serum BPA and sexual function,sexual desire,erectile ability and ejaculation intensity,while serum BPA was positively correlated with premature ejaculation.According to the four percentile of BPA concentration (ng/ml),the subjects were divided into four groups.Compared with the low concentration group (0.38-3.79 ng/ml),the risk of sexual dysfunction significantly increased in the groups with higher BPA levels.Particularly,in the highest BPA group (8.68-21.93 ng/ml),more obvious effects were seen on sexual dysfunction (OR=1.55,95%CI:1.00-3.23),reduced sexual desire (OR=4.75,95%CI:2.44-9.22),reduced erection ability (OR=2.40,95%CI:1.18-4.88),reduced ejaculation intensity (OR=2.53,95% CI:1.25-5.16) and premature ejaculation (OR=1.95,95% CI:1.02-3.72).Conclusion Low sexual desire appeared as the main type of male sexual dysfunction,the exposure to higher levels of BPA in daily life might lead to male sexual dysfunction.
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Objective To explore the effect of vaginal micro-environment alterations and HPV1 6 infection and their interaction in the progression of cervical intraepithelial neoplasia.Methods The participants of this study came from the cervical lesions study cohort in Shanxi province,including 623 women with normal cervical (NC),303 patients with pathogenically diagnosed low-grade cervical intraepithelial neoplasia (CIN Ⅰ) and 93 patients with pathogenieally diagnosed high-grade cervical intraepithelial neoplasia (CIN Ⅱ/Ⅲ).The data of the demographic characteristics of the study subjects and factors related to cervical intraepithelial neoplasia were collected,and HPV16 infection were detected by using flow-through hybridization technology and H2O2,β-glucuronidase,clotting enzyme,neuraminidase and leucocyte esterase in vaginal secretions were detected by using the combined detection kit of aerobic vaginitis and bacterial vaginosis.pH value and vaginal cleanliness were also detected at the same time.The database was established and analyzed by SPSS statistical software (version 22.0).Results The HPV16 infection rate (trend x2=55.45,P<0.001) and the abnormal rates of H2O2 (trend x2 =26.19,P<0.001),pH (trend x2=5.06,P=0.024),vaginal cleanliness (trend x2=19.55,P<0.001),β-glucuronidase (trend x2 =17.52,P<0.001) and neuraminidase (trend x2 =14.90,P< 0.001) increased gradually along with the severity of cervical intraepithelial neoplasia,but the abnormal rates of clotting enzyme and leucocyte esterase showed no same trend.The results of GMDR model analysis showed that there was interaction between HPV16 infection and abnormalities of H2O2,β-glucuronidase,clotting enzyme and neuraminidase in CIN Ⅰ group,and the interaction between HPV16 infection and the abnormalities of vaginal cleanliness,H2O2,β-glucuronidase and neumminidase in CIN Ⅱ/Ⅲ group.Conclusion Our findings indicated that the vaginal micro-environment alterations and HPV1 6 infection could increase the risk of cervical intraepithelial neoplasia,and they might have an important synergistic effect in the progression of cervical intraepithelial neoplasia.
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Objective To investigate the effect of heterogeneous nuclear ribonucleoprotein K (hnRNP K) and its interaction with human papillomavims 16 (HPV16) on cervical intraepithelial neoplasia (CIN).Methods The participants included 67 women with normal cervix (NC),69 women with CIN Ⅰ and 68 women with CIN Ⅱ/Ⅲ in a community cohort of pathologically diagnosed women established in Jiexiu of Shanxi province,from June 2014 to June 2015.A structured questionnaire was used to collect the demographic data of the subjects and the related factors of cervical lesions.Cervical exfoliated cells and cervical tissues from biopsy or surgery were selected.The infection status of HPV16 was detected by flow-through hybridization.The protein expression levels of hnRNP K were evaluated by Western blot.SPSS 23.0 software was used to collate and analyze the data.To study the differences in demographic characteristics,related factors,hnRNP K protein and HPV16 infection among NC,CIN Ⅰ and CIN Ⅱ / Ⅲ groups,X2 test,trend x2 test,and Kruskal-Wallis H test were conducted.Multiple comparisons of hnRNP K protein in three groups were completed by using the Bonferroni method.The OR and its 95%CI of hnRNP K,HPV16 and CIN were calculated by using the unconditional logistic regression models.Two-way interactions between hnRNP K protein and HPV16 infection on CIN were analyzed by using additive model and related indicators.Results HPV16 infection rates were 10.4% in women with normal cervix,14.5% in women with CIN Ⅰ and 41.2% in women with CIN Ⅱ/Ⅲ,respectively.The differences among three groups were significant (P<0.001).Moreover,the infection rates of HPV16 gradually increased with the increasing severity of CIN (trend x2=18.512,P<0.001).The differences in protein expression of hnRNP K among three groups were significant (H=48.138,P<0.001) and the expressionincreased with the development of cervical lesionss (trend x2=21.765,P<0.001).Results from the interaction analysis indicated that there were additive effects between high expression of hnRNP K protein and HPV16 in CIN Ⅱ/Ⅲ group compared with normal group (API=0.639,95%CI:0.083-1.196).In contrast,no such additive effect was found in CIN Ⅰ group.Conclusions HPV16 infection and over-expression of hnRNP K protein were associated with the increased risk of cervical intraepithelial neoplasia.There might be interaction between hnRNP K protein overexpression and HPV16 infection existed on the progress of CIN Ⅰ/Ⅲ.
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Objective To compare the efficacies of laparoscopic versus open splenectomy plus portaazygous devascularization in the treatment of patients with portal hypertension with recurrent upper gastrointestinal bleeding.Methods The clinical data of patients who underwent laparoscopic (n =60) versus open (n =52) splenectomy plus open portaazygous devascularization in the Department of Hepatobiliary Surgery,the Center Hospital of Xianyang City,Xi'an Jiaotong University Health Science Center from March 2014 to February 2017 were retrospectively analyzed.Results There was no perioperative death in the 2 groups.The amounts of intraoperative bleeding,the durations of the operation,the time of first flatus passed after operation and the duration of postoperative hospitalization were compared,and the differences were significantly different (t =3.288,2.533,3.325,2.823,P < 0.05).There was no significant difference in the total hospitalization expenses (t =0.651,P >0.05).The incidence of postoperative complications was significantly higher in the open surgery group (x2 =7.622,P < 0.05).At 1-month after surgery,color doppler flow imaging (CDFI) showed no significant difference on the portal blood flow between the two groups (t =0.625,P > 0.05).On gastroscopy,the esophageal and gastric varices were significantly improved,and there was no significant difference between the two groups (x2 =0.718,P > 0.05).Liver function was better in the laparoscopic group than the open group (x2 =3.765,P < 0.05).Comparison of the rebleeding rates and the incidences of hepatic encephalopathy for the two groups at 1 year after operation showed significantly better outcomes for the laparoscopic group (x2 =2.351,1.245,P < 0.05).The 1-year and 3-year survival rates after operation (x2 =0.218,0.361,P > 0.05) were not significantly different.Conclusion Compared with laparotomy,laparoscopic splenectomy plus portaazygous devascularization had the advantages of less trauma,better short-term and long-term efficacies.
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Objective To investigate the therapeutic effect of total laparoscopic vs open surgery for gallbladder carcinoma.Methods Clinical data of 51 cases of laparoscopic surgery and 41 cases of open operation for gallbladder cancer from Mar 2012 to Dec 2016 were analyzed retrospectively.Results There were no perioperative death in both groups.The blood loss during operation,operative time,the first anal exhaust after operation and the hospital stay were in favour of laparoscopic procedure (t =2.756,2.325,1.362,2.252,P < 0.05).There was no significant difference in total hospitalization expenses (t =0.655,P > 0.05),the short-term postoperative complications were in favor for laparoscopic surgery (x2 =5.522,P < 0.05).The 1,3,5-year survival rates of laparoscopic group and laparotomy group were comparable (x2 =0.356,0.428,0.388,P >0.05).Conclusion Laparoscopic radical surgery for gallbladder cancer is safe,feasible and less traumatic than open surgery,with long term survival comparable to open surgery.
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Objective To investigate the effect of percutaneous transhepatic gallbladder drainage(PTGBD) on different American Society of Anesthesiologists(ASA) grading of laparoscopic cholecystectomy in patients with acute cholecystitis. Methods The 324 patients with acute cholecystitis undeigoing laparoscopic cholecystectomy who were hospitalized in Department of Hepatobiliary Surgery, Xianyang Central Hospital from March 2010 to December 2014 were enrolled in the retrospective analysis. According to the history of the patients with or without PTGBD before laparoscopic cholecystectomy, all patients were divided into 2 groups. One hundred and eighty four patients who underwent directly laparoscopic cholecystectomy were the control group, and the other 140 patients who underwent PTGBD + elective laparoscopic cholecystectomy were the study group. The rates of conversion to laparotomy, total days of hospitalization, hospitalization days after cholecystectomy incidence, postoperative complications incidence, postoperative drainage were compared between two groups. The difference of clinical data between the two groups were compared under different ASA classification. Measurement data were expressed as ((x)±s) and t-test were used for comparison between groups. Count data were compared by X2 test. Results The rate of intraoperative laparotomy was 23.6%(33/140) in the study group and 20.7%(38/184) in the control group; the mean length of hospital stay was (7.3 ±3.3) days in the study group and (6.8 ±2.3) days in the control group; the postoperative complication rate was 2.8%(4/140) in the study group and 0.5%(1/184) in the control group; the abdominal cavity drainage rate was 80.0%(112/140) in the study group and 73.9%(136/184) in the control group; intraoperative laparotomy rate, postoperative hospital stay, postoperative complications incidence, and abdominal cavity drainage rate between the two groups had no significant difference(P> 0.05). The total length of hospital stay was(17.6 ±4.4) days in the study group and(10.6 ±3.0) days in the control group, and there was a statistically significant difference between the two groups(P <0.001). According to the subgroup analysis by ASA classification, the two groups of ASA-I patients in the experimental group were significantly higher than the control group in the temperature, C reactive protein and the total number of days of hospitalization, and the difference was statistically significant(P< 0.05). The two groups of ASA-Ⅱ patients in the experimental group were significantly higher than those of the control group in age, white blood cell count, C reactive protein and total hospitalization days, and the difference was statistically significant(P<0.05). In ASA-Ⅲ patients, the rate of intraoperative laparotomy was 28.3% (13/46) in the study group and 32.1% (9/28) in the control group; the mean hospital stay after surgery was(10.8 ± 3.7) days in the study group and(11.2±4.8) days in the control group; The total length of hospital stay was (19.7 ±7.2) days in the study group and (16.8 ± 8.6) days in the control group; the rate of intraoperative laparotomy, the mean length of hospital stay and postoperative hospital stay in the two groups of ASA-Ⅲ patients had no statistically significant difference(P>0.05). Conclusions PTGBD has different effects on laparoscopic cholecystectomy in patients with different ASA grading of acute cholecystitis. PTGBD combined with laparoscopic cholecystectomy is a safe and effective method that can turn emergent operation intoselective operation. It is worthy of extensive application.
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Objective: To evaluate the effects of polycyclic aromatic hydrocarbons (PAHs) and high risk human papillomavirus (HR-HPV) infection and their interaction on the progression of cervical intraepithelial neoplasia. Methods: A total of 486 patients, including 208 women with normal cervix (NC), 154 patients with low-grade cervical intraepithelial neoplasm (CINⅠ), 124 patients with high-grade cervical intraepithelial neoplasm (CINⅡ/Ⅲ), were selected from the cervical lesions cohort from June to December, 2014. HR-HPV was detected by using flow-through hybridization technology and the urine concentration of 1-hydroxypyrene (1-OHP) was detected with high performance liquid chromatography. By using software SPSS 22.0, the χ(2) test, trend χ(2) test, Kruskal-Wallis H test, Nemenyi rank test and Spearman rank correlation analysis were performed. And the interaction effects were evaluated by additive model. Results: The HR-HPV infection rates in NC, CINⅠ and CINⅡ/Ⅲ groups were 27.9%, 37.0% and 58.9%, respectively. The urine concentrations of 1-OHP (μmol/molCr) were 0.07±0.09, 0.11±0.10 and 0.17±0.15, respectively. With increasing severity of the cervical lesions, the HR-HPV infection rate gradually increased (trend χ(2)=29.89, P<0.001) and the high exposure rate of PAHs gradually increased (trend χ(2)=27.94, P<0.001). HR-HPV infection was positively correlated with 1-OHP exposure (r=0.680, P<0.001). There was a positive additive interaction between HPV infection and PAHs exposure in CIN Ⅱ/Ⅲ group, but it was not found in CIN Ⅰ group. Conclusion: Both HR-HPV infection and high exposure of PAHs might increase the risk of cervical intraepithelial neoplasm, and might have a synergistic effect on the progression of high-grade cervical intraepithelial neoplasia.