1.Protective effects of left-handed pantoprazole sodium on the rat model of gastric ulcer generated by pyloric ligation
Yujuan TAN ; Yukui MA ; Chao FANG
Chinese Journal of Comparative Medicine 2015;(8):54-57
Objective The aim of this study was to investigate the effect of left-handed pantoprazole sodium on rat models of gastric ulcer generated by pyloric ligation .Methods The rat models induced by pylorus ligation were treated with a single intravenous injection of left-handed pantoprazole sodium .The gastric ulcer inhibition rate , volume of gastric juice, activity of pepsin, and level of serum gastrin were determined and gastric mucosa tissue was examined by pathology . Results The gastric ulcer index , volume of gastric juice , activity of pepsin and level of serum gastrin in the rats pretreated with left-handed pantoprazole sodium (0.9, 1.8, 3.6 mg/kg, i.v.) were significantly lower than those in the model group .The lesions of gastric mucosa were also improved in the pantoprazole-treated groups .Conclusions Left-handed pantoprazole sodium has remarkable protective effects on the gastric mucosa in rat models of gastric ulcer induced by pyloric ligation.
2.Diagnostic value of thoracoscopy routine pleural biopsy combined with frozen biopsy for pleural effusion
Yujuan MA ; Xiaopeng HE ; Yan DANG
China Journal of Endoscopy 2017;23(4):81-84
Objective To investigate the diagnostic value and safety of thoracoscopy routine pleural biopsy combined with frozen biopsy for pleural effusion. Methods A retrospective analysis was made on the pathological diagnosis rate of pleural effusion. Results 120 cases in thoracoscopy, 103 cases were confirmed with routine biopsy specimens (85.8%), 16 cases found in the lesions with conventional clamp not satisfactory tissue specimens, combined with frozen cut obtained satisfactory specimens, the diagnostic accuracy rate of 16 cases of cryobiopsy was 100.0%, and the total diagnostic accuracy rate of medical thoracoscopy combined with pleural biopsy and cryobiopsy was 95.0%. There was significant difference between conventional biopsy and cryobiopsy (P < 0.05). Conclusion Medical thoracoscopy combined with pleural biopsy and cryobiopsy can achieve a higher rate of pathological diagnosis, and the complications are mild, so it is worthy of clinical promoting.
3.Psychological Intervention on Nosohemic Patient during Hematopoietic Stem Cell Collection
Yujuan WU ; Yingchun MA ; Juying TANG
Chinese Journal of Rehabilitation Theory and Practice 2011;17(5):424-425
Objective To observe the effect of psychological intervention on nosohemia patients during hematopoietic stem cell collection technique. Methods 44 perioperative nosohemia patients were assigned to experiment group and control group. The experiment group took a psychological intervention. Results Anxiety and depression in the experiment group improved better than in the control group (P<0.05) while there was no significant difference in anxiety and depression in the control group after psychological intervention (P>0.05). Conclusion Psychological intervention could effectively reduced the negative emotion of perioperative nosohemia patients during hematopoietic stem cells collection.
4.The teaching experiences in improving the cooperation skills of operating room nurses with anesthesiologists
Dongmei LI ; Ruiqin ZHANG ; Yujuan MA ; Haijing SUI ; Wenzhi LI
Chinese Journal of Medical Education Research 2011;10(9):1102-1104
The good cooperation between the operating room nurses and anesthesiologists is benefitial to improving working efficiency and can make the patients uneventful during operating period.As an anesthesiologist,the author taught the basic anesthesia knowledge such as the commonly used anesthesia methods,the prevention and treatment of complications and gave advice to the nurses of the nursing trainning group.The cooperations before anesthesia,during anesthesia,after anesthesia were analyzed and the significance of nursing cooperation with anesthesiologist was discussed.
5.Combined detection of pleural biopsy under medical thoracoscopy and serum tumor markers in diagnosis of pleural effusion with unknown reason
Ting GAO ; Xiaopeng HE ; Yan DANG ; Yujuan MA ; Bo ZHU
China Journal of Endoscopy 2016;22(12):20-25
Objective To discuss combined detection of pleural biopsy under medical thoracoscopy and pulmonary serum tumor markers in diagnosis of pleural effusion with unknown reason.Methods 76 patients with pleural effusion caused by unknown reason from January 2014 to March 2016 were retrospectively analyzed. Pleural biopsy was conducted under medical thoracoscopy and sent for pathological examination, and 10 ml venous blood was collected from these patients upon admission for testing serum tumor markers (CEA, SCC-AG, ProGRP and CYFRA21-1).Results Among the 76 patients, there were 32 cases with benign lesions (14 with pulmonary tuberculosis, 9 with inlfammatory lesions, 6 with granulomatous inlfammation, 2 with empyema and 1 with hamartoma) and 44 cases with malignant lesions (18 with adenocarcinoma, 13 with squamous carcinoma, 6 with small cell lung cancer, 3 with adeno-squamous carcinoma, 2 with mesothelioma, 1 with large cell carcinoma and 1 with thymoma). The detection of serum tumor markers showed statistically significant differences in the levels of CEA, SCC-AG, ProGRP and CYFRA21-1 in serum between the malignant pleural effusion group and benign pleural effusion group (P = 0.021,P = 0.006,P = 0.003 andP = 0.010). The levels of various serum tumor markers in the malignant pleural effusion group were obviously higher than those in the benign pleural effusion group. According to the pathological results, patients with pleural effusions not caused by lung cancer (2 with mesothelioma and 1 with thymoma) were eliminated from 44 patients with malignant pleural effusions. The rest 41 patients with pleural effusions caused by lung cancer were divided into non-small cell lung cancer and small cell lung cancer according to the pathological types. The results showed that there were statistically signiifcant differences in the levels of CEA, ProGRP and CYFRA21-1 between non-small cell lung cancer and small cell lung cancer (P = 0.036,P = 0.005 andP = 0.008), while there was no statistically signiifcant difference in the level of SCC-AG (P = 0.811).Conclusions Due to high detection rate and high accuracy in detecting pleural effusions caused by unknown reason, medical thoracoscopy is of great signiifcance, especially for the diagnosis of malignant pleural effusions of pleural metastases. However, serum indicators may provide important reference values for us before the pathological results are available. Thus, it is an important means of diagnosing malignant pleural effusions caused by lung cancer and should be promoted in clinic.
6.Clinical implications of plasma omentin levels in patients with polycystic ovary syndrome
Xinhong LU ; Haiyan YANG ; Zuojie LUO ; Yujuan FAN ; Yan MA
Chinese Journal of Endocrinology and Metabolism 2015;31(10):880-882
This paper was to explore the relationship between plasma omentin and obesity and insulin resistance in patients of polycystic ovary syndrome(PCOS).The results showed that there were statistically significant differences in serum omentin levels among control group,PCOS-normal weight group,and PCOS-overweight group [(115.29 ± 33.92),(111.12 ± 34.50),and (42.85 ± 19.39) pg/ml,P< 0.05].Omentin were negatively correlated with homeostasis model assessment for insulin resistance(HOMA-IR) and body mass index(BMI).In the multiple stepwise regression analysis,only omentin was negatively correlated with BMI.Omentin may be involved in the development of PCOS by affecting obesity.
7.The risk factors of deep vein thrombosis in the lower extremities among acute spinal cord injury patients
Yujuan MA ; Liushuan CAO ; Xiguo CAI ; Weisheng ZHUANG ; Yang YANG ; Lili ZOU ; Baoyan QIAN
Chinese Journal of Physical Medicine and Rehabilitation 2014;36(12):918-920
Objective To identify the risk factors for deep vein thrombosis(DVT) in the lower extremities during hospitalization for acute spinal cord injury(SCI).Methods Retrospective data analyses were performed for 49 SCI patients admitted within a week after they were diagnosed.The patients were divided into a DVT-free(n =40) group and a DVT group(n =9) according to their lower limbs' color Doppler ultrasound results.And the subjects' gender,age,chronic diseases (diabetes,hypertension and hyperlipidemia,etc.),complications (pulmonary infection,urinary tract infections and pressure sores,etc.),the history of cancer,smoking history and lower extremity fractures were recorded.Intermittent pneumatic compression treatment,the early rehabilitation intervention,antithrombotic therapy,history of venous catheterization,operative intervention,blood transfusion history,muscle strength of lower extremity and time from onset to being transfered to rehabilitation department were also recorded Single factor analysis,was conducted,followed by Binary logistic regression to pick out the risk factors for DVT.Results The result of the binary logistic regression analysis showed that gender (OR 6.87 ; 95% CI 1.09-43.22 ;P < 0.05) and intermittent pneumatic compression treatment (OR 12.47 ; 95% CI 1.09-142.36 ; P < 0.05) were significant predictors of DVT.Conclusion Gender and intermittent pneumatic compression treatment are related with DVT risk for patients with acute SCI.
8.Surface functional electrical stimulation combined with electroacupuncture in treating neurogenic bladder after the spinal cord injury
Xiguo CAI ; Baoyan QIAN ; Liushuan CAO ; Yang YANG ; Weisheng ZHUANG ; Yujuan MA ; Lili ZOU
Chinese Journal of Physical Medicine and Rehabilitation 2015;37(8):610-613
Objective To observe the therapeutic effect of surface functional electrical stimulation combined with electroacupuncture on neurogenic bladder after the spinal cord injury.Methods Forty cases of neurogenic bladder after the spinal cord injury were randomly divided into a control group (n =20) and a combination group (n =20).The combination group was treated with surface functional electrical stimulation combined with electroacupuncture on the basis of internal urethral catheterization,while the control group was treated with surface functional electrical stimulation on the basis of internal urethral catheterization.The bladder urination was tested using urodynamic study before and after two months of treatment.Results There was no significant difference between the 2 groups in the average maximum bladder capacity,detrusor pressure at filling time,maximal urethral closure pressure,maximum urine flow rate and residual urine volume before the treatment.After the treatment,however,the average maximum bladder capacity,maximal urethral closure pressure and maximum urine flow rate in the combination group were significantly higher than those of the control group,while the average detrusor pressure at filling time and the residual urine volume of the combination group were significantly lower than the control group.Conclusion Surface functional electrical stimulation combined with electroacupuncture could remarkably improve bladder function of patients with the neurogenic bladder after the spinal cord injury.
9.The A-204C Polymorphism in CYP7A1 Gene Affects Its Promoter Activity
Yujuan CHEN ; Sizhong ZHANG ; Cuiying XIAO ; Dachang TAO ; Guoping HE ; Yingcheng WANG ; Yunqiang LIU ; Yongxin MA
Chinese Journal of Biochemistry and Molecular Biology 2006;22(6):450-453
cholesterol 7α-hydroxylase gene ( CYP7A 1 ) plays a key role in the catabolism of cholesterol into bile acids. To investigate whether the A-204C polymorphism in CYP7A1 gene affects the gene expression,using luciferase as the reporter gene, four recombinants were constructed by inserting forward or reverse sequence with A or C allele at the polymorphism site into the promoter-less vector pGL3-basic. The constructs were then transfected into four cell lines and the luciferase activity of each expression vector was examined by dual luciferase reporter gene assay system. The results showed that activities of the forward sequence of both genotypes were higher than that of reverse sequence. Promoter activity of the recombinants with A allele was about one third lower than that with C allele. According to the analysis with TRANSFAC database, there may exist a Zic3 binding site when there is the C allele at -204. Our study indicates that the A-204 C polymorphism in CYP7A1 promoter region decreases its promoter activity and thus represses the gene expression, possibly due to the lack of a potential Zic3 binding site.
10.Effects of high-frequency repetitive transcranial magnetic stimulation on the ultrastructure of an ischemic brain penumbra and the expression of brain-derived neurotrophic factors in rats
Jie HUANG ; Yujuan MA ; Zhengyu FANG ; Yufei CHONG ; Yanfang SUI ; Chunjing YOU
Chinese Journal of Physical Medicine and Rehabilitation 2011;33(10):736-740
Objective To investigate the effects of high-frequency repetitive transcranial magnetic stimulation (rTMS) at different intensities on the ultrastructure of an ischemic brain penumbra and the expression of brainderived neurotrophic factor (BDNF) using rats with permanent middle cerebral artery occlusion (MCAO).Methods Forty-two rats were randomly divided into a blank control group,an MCAO model control group,a sham stimulation control group and an rTMS group.The rTMS group was divided further into 3 subgroups:an 80% of motor threshold (MT) subgroup,a 100% of MT subgroup and a 120% of MT subgroup.The cerebral infarction model was established by right MCAO.rTMS treatment was given 24 hours after the MCAO model was successfully established.The rTMS group and sham stimulation control group were given 20 Hz rTMS with the planned intensities.The MCAO model control group was not given any stimulation.After 14 days of treatment,transmission electron microscopy,immunohistochemical and Western blotting ( WB ) methods were used to investigate the ultrastructure of the ischemic penumbra and the expression of BDNF.Results Damage reflected in the ultrastructure in the 3 rTMS subgroups was less than in the model control group and the sham stimulation control group.Expression of BDNF protein increased significantly in 100% of the MT group and blank control group rats as compared with that in the sham stimulation control group,while the blank control group and the 3 rTMS subgroups had no statistically significant difference in comparison with the MCAO model control group.The expression of BDNF protein had no statistically significant difference between any of the groups.Conclusion 20 Hz rTMS might,especially at 100% of the MT,promote the recovery of the ultrastructure of neural tissues in the ischemic penumbra after acute cerebral infarction and enhance the expression of BDNF in the ipsilesional hemisphere.This may be one of the important mechanisms of rTMS's effectiveness in the treatment of ischemic stroke.