1.Inhibition of visceral hypersensitivity in irritable bowel syndrome model rat by intrathecal administration of corticotrophin releasing factor
Yun SHAO ; Peng HAN ; Xumei WANG
Chinese Journal of Behavioral Medicine and Brain Science 2008;17(4):304-306
Objective To investigate whether intrathecal administration of corticotrophin releasing factor(CRF) has an efficacy on visceral hypersensitivity in irritable bowel syndrome model rat.Methods Thirty rats were randomly divided into three groups(n=10 ).After establishment of irritable bowel syndrome rat model were intrathecal injected with CRF or preemptive peritoneal injected with CP-154526,which is inhibitor of CRF-1 receptor,and the control group to give saline.After experiment all rat with the method of rectal balloon distention,the perception thresholds and the number of abdominal withdrawal reflexes (AWR) of different balloon volume were observed.Results The perception threshold of intrathecal administration of CRF group was(0.62±0.10)ml and higher than other two groups [(0.52±0.09)ml,(0.56±0.08)ml;F=3.25,P<0.05].At the same time,the number of AWR to the lower balloon content (1.0 ml) was(9.10±1.97)in intrathecal administration of CRF group slightly lower than other two groups[(14.4±1.71),(15.6±2.32);F=29.4,P<0.01],but no difference was found to the higher balloon content (1.5 ml and 2.0 ml).Besides,the areas and OD value of c-fos positive neurons in cornu posterius medullae spinalis in group with intrathecal administration of CRF were significantly lower than other two groups (P<0.05).Conclusion Intrathecal administration of CRF can degrade the visceral hyperensitivity in irritable bowel syndrome model rat,and lower expression of c-fos in CNS is probably involved in the process.
2.The curative effect of couple therapy for patients with postpartum depression
Yun SHAO ; Peng HAN ; Xumei WANG
Chinese Journal of Behavioral Medicine and Brain Science 2008;17(11):987-989
Objective To investigate curative effect thymoleptics with couple therapy for the patients with postpartum depression (PPD) Methods 27 patients first time diagnosed with PPD consistent with DSM-Ⅳwere randomly divided into study group and control group.The study group received regular thymoleptics with couple therapy,a control group were administered solo thymoleptics.Hamilton Depression Rating Scale(HAMD-17) and Edinburgh Postnatal Depression Scale (EPDS-10) and OLSON marriage quality questionnaire assessed the efficacy of each group before treatment and after 12 weeks treatment.Results (1) According to the total effective rate,there was no significantly differences in two groups after 12 weeks treatment from evaluation of HAMD-17>(P0.05),but complete remission of study group was higher than control group (78.6% ,46.2% ;P<0.05).(2) After 12 weeks treatment there were significantly differences in mean scores of HAMD-17 and EPDS-10 between two groups (P<0.05).The most decreased scores of HAMD-17 and EPDS-10 was found in the study group,and mean scores of each group was lower than pretherapy(P<0.05).(3) There was no significant difference on the scores of eight factors in OLSON marriage quality questionnaire between the two groups before treatment (P>0.05).After 12 weeks treatment the study group had higher score than control in seven factors in addition to sexual life factor (P<0.05).Conclusion Thymoleptics with couple therapy can improve the marriage quality and increase curative effects outstrip solo thymoleptics for the patients with postpartum depression.
5.Exploration of Elaborate Management of Application for National Natural Science Foundation of China in Chengdu Medical College
Yun PENG ; Tao HUANG ; Peng RUAN ; Lunan WANG
Chinese Journal of Medical Science Research Management 2014;27(3):296-299,303
Over the past few years,Cheng Medical College has made great progress in the fields of discipline construction,specialty construction,talent training,and scientific research.This paper illustrates the specific methods for application for National Natural Science Foundation as well as the project management,and explores the practice and use of elaborate management.According to this management requirements,Chengdu Medical College has determined goals,defined declare focus,enhanced the application quality,standardized and specified project management so much so that it has achieved remarkable results in recent years.
6.Research management of the hospital build a new way
Mei YANG ; Peng RUAN ; Weihua LIU ; Yun PENG ; Zhi WANG
Chinese Journal of Medical Science Research Management 2015;28(1):20-22
Hospital Research Branch to provide diversity of services should rely on a combination of different professionals composite research management department.This paper analyzes the current status of the hospital research management staff proposed the formation of complex multifunctional research subjects and their personnel training programs,and the staff have made short-term and long-term co-ordination of running countermeasures,as well as multi functional management functions method.
7.Diagnosis and Treatment of 6 Children with Anomalous Origin of the Left Coronary Artery from the Pulmonary Artery
hui, LIU ; xiao-feng, LI ; yun, PENG ; fang-yun, WANG
Journal of Applied Clinical Pediatrics 2006;0(19):-
Objective To analyze diagnostic experience of children with anomalous origin of the left coronary artery from the pulmonary artery (ALCAPA) and assess its surgical results.Methods Six children with ALCAPA had been diagnosed in our hospital from Mar. 2006 to Oct.2007 aged from 6 months to 10 years old(median 43.5 months).The medical data included common clinical presentations,the findings of electrocardiogram(ECG),the echocardiogram,ECG-gated 64-slice computed tomography,the digital subtraction angiogram (DSA),surgical records and the outcome.Results Diaphoresis,fantod,breathlessness and difficult feeding were commonly presented in 5 cases ALCAPA and the 5 children presented with left ventricular failure in infancy.The predominant ECG findings were Q waves and ST segment changes in the anterolateral chest leads in 4 cases,ST changes in 1 case,and normal ECG in 1 case.Cross-sectional echocardiography showed dilated left ventricles with poor contractility in 4 cases,medium mitral regurgitation in 2 cases and severe mitral regurgitation in 2 cases,aneurysmal dilatation of the right coronary artery(RCA) in 2 cases.CT and DSA examinations showed characteristic changes in these children.The surgical reestablishment of a two-coronary system was performed in 5 cases,direct reimplantation in 2 cases and creation of an autologous extrapulmonary tunnel in 3 cases.Simultaneous mitral annuloplasty was performed in 2 cases.After operation,the symptoms of 5 cases were all improved and none died.Conclusions Understanding the clinical manifestations and lab findings of ALCAPA is helpful to making an early diagnosis of ALCAPA.Early surgical treatment can improve the patients′ outcome.
8.Different doses of verteporfin photodynamic therapy for central exudative chorioretinopathy
Yu-lan, ZHANG ; Zhi-peng, YOU ; Chang-yun, WANG
Chinese Journal of Experimental Ophthalmology 2012;(11):1030-1035
Background The dosage of verteporfin photodynamic therapy (PDT) for central exudative chorioretinopathy(CEC) depends on the calculation formula of Treatment of Age-related Macular Degeneration with Photodynamic Therapy Study Group(TAP)and Verteporfin in Photodynamic Therapy Study Group(VIP).Some local adverse responses or normal tissue damage have been noted under the standard dose of verteporfin during the treatment of CEC.So it is necessary to explore an appropriate therapeutic dosage of verteporfin.Objective This clinical study aimed to observe and compare the clinical efficacy and safety of different doses of verteporfin PDT for CEC.Methods Ninety eyes of 90 patients with CEC were enrolled in this study with the approval of the Ethic Commission of Affiliated Second Hospital of Nanchang University.Written informed consent was obtained before PDT.The patients were randomly divided into standard dose group,half dose group and 1/3 dose group.All of the patients received PDT.Standard dose(6 mg/m2),3 mg/m2 or 2 mg/m2 of verteporfin was applied in the three groups respectively,with the laser intensity 50 J/cm2.The patients were followed-up for 3 months.Repeat treating regimen was performed in the same way in the patient with fundus fluorescein leakage after initial PDT.Results The BCVA(logMAR) value was 0.44±0.36 after PDT in the standard dose group.Visual acuity improved in 20 patients (66.67%),stabilized in 8 patients(26.67%)and decreased in 2 patients (6.67%).The BCVA showed a significant difference between the preoperative and postoperative BCVA (t =6.719,P =0.000).CNV disappeared in 19 patients (63.33%),obviously improved in 7 patients (23.33%),partially disappeared in 3 patients (10.00%) and unchanged in 1 patient (3.33%).The central fovea thickness (CFT)value was significantly declined in postoperation compared with preoperation (t =5.758,P =0.000).Eight patients received secondary PDT with the recurrence rate 26.67%.In the half dose group,visual acuity improved in 18 patients(60.00%),stabilized in 11 patients(36.67%)and decreased in 1 patient (3.33%).CNV disappeared in 16 patients (53.33%),obviously improved in 8 patients (26.67%),partially disappeared in 5 patients (16.67%) and unchanged in 1 patient (3.33 %).Significant difference was seen between the preoperative BCVA and postoperative BCVA(t=8.294,P =0.000).The decrease of C FT was significant in postoperation(t =8.493,P =0.000).Ten patients received secondary treatment with the recurrence rate 33.33%.In 1/3 dose group,visual acuity improved in 8 patients (26.67 %),stabilized in 12 patients (40.00%),decreased in 10 patient (33.3%).CNV disappeared in 8 patients (26.67%),obviously improved in 8 patients (26.67%),partially disappeared in 6 patients (20.00%) and unchanged in 8 patient (26.67%).There was no significant difference between the preoperative BCVA and postoperative BCVA (t =0.536,P =0.596).The difference between preoperative CFT and postoperative CFT was insignificant(t =0.942,P=0.354).Fourteen patients received secondary PDT and 8 patients received three times with the recurrence rate 73.33%.Conclusions 3 mg/m2 verteporfin PDT for CEC shows a similar clinical efficiency and safety to 6 mg/m2 verteporfin.3 mg/m2 verteporfin PDT can decrease cost,but the effect of 2 mg/m2verteporfin PDT is not satisfacted.
9.The hypolipidemic and liver protective effect of asiatic acid on hyperlipidemic golden hamsters
Limin LIN ; Yun ZHAO ; Lu PENG ; Yanyang WANG ; Yating GAI
Chinese Journal of Biochemical Pharmaceutics 2014;37(4):40-43,46
Objective To observe the protective effect of asiatic acid on hyperlipidemia golden hamsters induced by high fat diet and explore its mechanism.Methods Hyperlipidemic golden hamsters fed with high-fat diet were administered orally with asiatic acid (8,16,32 mg/kg)for 4 weeks.Levels of serum lipid content,liver histology,hepatic GSH-PX and SOD levels,serum ALT and AST activities were evaluated in golden hamsters,fluorescence quantitative polymerase chain reaction(RT-PCR)is using to examine the liver lecithin cholesterol fatty acyl transferase(LCAT) and class B typeⅠscavenger receptor(SR-BⅠ)mRNA expression. Results Compared with model group,the levels of TC,TG,LDL-C,TC/HDL,ALT and AST in low and mediate asiatic acid groups were all significantly decreased but the levels of SOD and GSH-PX were significantly increased(P<0.01).HE staining results showed that fat deposition in the liver were improved by administration of asiatic acid,and the expression of LCAT and SR-BⅠmRNA were increased.Conclusion Asiatic acid can effectively reduce blood lipid levels,and alleviate liver damage of the hyperlipidemia golden hamsters by lipid regulation and antioxidative ability augmentation.The increased levels of LCAT and SR-BⅠmRNA expression maybe involved in the mechanism of hypolipidaemic effect of asiatic acid.
10.Application of dexmedetomidine in general anesthesia of elderly patients with lumbar vertebra surgery
Qiujun LI ; Yun PENG ; Geng WANG ; Yingchun SONG
Chinese Journal of Biochemical Pharmaceutics 2015;(12):59-60,63
Objective To explore the effects of dexmedetomidine on analgesia of general anesthesia in elderly patients with lumbar vertebra surgery.Methods From August 2013 to for August 2014, 80 cases elderly patients with fracture of lumbar vertebra and prepared to have an surgery of pedicle screw internal fixation in Department of Anesthesiology in Beijing Jishuitan Hospital were admitted , and divided into control group and observation group.The control group were continuously-pumped with sufentanil and the observation group with dexmedetomidine for anesthesia.The anesthetic effect were compared between two groups.Results The rate of sedative satisfaction in observation group post-anesthesia was higher than that in control group (100.0%vs.75.0%;χ2 =11.429,P<0.05).The Ramesay score, awaking and extubation time perioperational period in observation group were lower than those in control group(P<0.05).The analgesic effect in observation group was higher than that in control group(100.0%vs. 90.0%;χ2 =4.211,P<0.05).Conclusion Dexmedetomidine has the obvious sedative and analgesic effect on elderly patients with lumbar vertebra surgery.