To investigate the efficacy and safety of losartan in the treatment of essential hypertension, 81 patients were randomly assigned to two groups. Patients in the first group(n =41) were given losartan 50 mg to 100 mg once a day; those in the second group( n = 40) were given benazepril 10 mg to 20 mg once a day. The treatment course lasted for a weeks. Ambulatory blood pressure, hepatic and renal functions, blood glucose were examined before and after therapy. Our results showed that the total efficacy rate in losartan group was 93％ while that in benazepril group was 90％. The efficacy was similar between the two groups. However, effect of 24 h blood pressure control by lossrtan was superior to than of benazepril. The adverse reaction of losartan was milder that that of benazepril. It is concluded that losartan is a safe, long-acting antihypertensive agent for mild and moderate hypertension with good patient tolerance and less adverse reactions.

Acupuncture Therapy ; Cardiomyopathies ; therapy ; Humans ; Meridians

Humans ; Labyrinth Diseases ; pathology ; therapy

The prolapse of a fallopian tube into the vagina is a rare complication of hysterectomy. We recently experienced a case of tubal prolapse after a laparoscopic hysterectomy in a 44-year-old woman. The vaginal examination showed a polypoid mass in the vaginal apex. Microscopically, the mass had the typical appearance of a fallopian tube with chronic inflammation. The cytologic finding of a vaginal vault smear was also described.
Adult ; Fallopian Tubes* ; Female ; Gynecological Examination ; Humans ; Hysterectomy* ; Inflammation ; Prolapse* ; Vagina

Objective To explore the pathogeny, pathology, ultrasonic and clinical expression of upper extremity deep venous flow obstruction and superior vena cava syndrome. Methods Retrospective analysis and summarize the disease changes of 10 cases in recent 5 years. Results 7 patients of 10 cases were superior vena cava syndrome, in which 4 cases caused by upper right lung malignant tumor, 3 cases caused by upper and media mediastinal malignant tumor. 2 patients of 10 cases were found thrombosis in right subclavian vein caused by duct of artificial pacemaker. The left 1 patient was no reason thrombosis in right axillary vein. Conclusion Ultrasonography combine with color and spectral Dopper image can evaluate the clinical development and therapeutic efficiency, which is a useful and effective non-invasive examination.

Central serous chorioretinopathy (CSC) is characterized by serous detachment of the sensory retina as a consequence of the focal leakage of fluid from the choriocapillaries to subretinal space through a defect of the retinal pigment epithelium(RPE). The exact cause of CSC is not well unknown. Psychological stress is thought to contribute to CSC, but the physiologic mechanisms are unclear. It is hypothesized that psychological stress can induce CSC through the mechanism of the hypothalamic-pituitary-adrenal (HPA) system. Psychological stress can adversely affect HPA axis and causes glucocorticoid levels to elevate. Increased glucocorticoids constrict choroid vessels, which leads to ischemia of choroids and damage vascular endothelial cells, thus causing vasopermeability to increase. RPE dysfunction will occur as a result of abnormalities in the choroidal circulation. The large molecules including protein may enter the subretinal space through the damaged vessels and RPE.

ObjectiveTo investigate the neuroprotective mechanism of edaravone for cerebral ischemia-reperfusion injury in rats.MethodsThirty-six healthy adult male SD rats were randomly divided into three groups: a sham operation group, an ischemic model group, and an edaravone group (n=12 in each group).A focal cerebral ischemia model was induced by the suture method.Reperfusion was resumed after 2 h of ischemia;then the animals were sacrificed at 24 h after reperfusion.Edaravone 3 mg/kg was injected intraperitoneally immediately after cerebral ischemia-reperfusion in the edaravone group.The rats in the model group were injected equal volume normal saline.HE staining was used to observe the pathological changes.TUNEL staining was used to detect apoptotic cells in the ischemic cortex.Western blot and immunofluorescent staining were used to detect the expression levels of LIM domain protein 4 (LMO4) and LMO4 positive cells.Results HE staining showed that cellular morphology was basically normal in the sham operation group;both the model group and edaravone group had cell necrosis, but the latter was less severe.The number of morphologically normal cells in the edaravone group was significantly more than that in the model group (P<0.01).TUNEL staining showed that no TUNEL positive cells in the sham operation group were observed.The TUNEL positive cells in the edaravone group was significantly less that in the model group (P<0.01).Immunofluorescence staining showed that the expression level of LMO4 in the ischemic cortex in the edaravone group was significantly higher than that in the model group (P<0.01).ConclusionsEdaravone can alleviate the cerebral ischemia-reperfusion injury and inhibit neuronal apoptosis.Its mechanism may be associated with the upregulation of LMO4 expression.

Objective To retrospectively compare the clinical results of locking plate of proximal humerus (LPPH) and traditional AO plates in treatment of proximal humerus fractures in aged osteoporotic population. Methods From July 2002 to May 2005, 37 old osteoporotic patients with humerus fractures were treated with LPPH and traditional AO plates respectively in our department. The results were compared retrospectively. Results Follow-ups were conducted six weeks, 12 weeks and one year postoperatively to assess shoulder scores, bone healing and necrosis of humerus head. Comparison showed that the results for LPPH group were statistically better than those for traditional AO plate group in rate of implant loosening and SPADI (shoulder pain and disability index) scores. Conclusion LPPH has an obvious advantage over traditional AO plate in treatment of proximal humerus fractures in aged osteoporotic people.

Objective To investigate the gene therapy of hypoparathyroidism (HPT) with hemopoietic stem cell s(HSCs) integrated with parathyroid hormone (PTH) gene.Methods Human PTH gene was amplified by polymerase chain reaction from pcDNA 3.1 -PTH templates and inserted into murine stem cell virus (MSCV) vectors. The plasmids recombinated with PTH gene were transfected into PA317 packaging cells and screened for positive clones with Geneticin. The condensed recombinant retroviruses were obtained and used to infect HSCs coming from umbilical cord blood. The infected HSCs were injected into the mice suffering from HPT. The change of symptoms and serum level of PTH and calcium in each group of mice was observed.Results Human PTH gene was proved to be inserted into MSCV vectors and the titres were up to 2?10 7 colony forming unit (CFU)/ml in condensed retroviral solution. The secretion of PTH reached 15 ng per 10 6 cells per 48 h. The wild type viruses were not detected by PCR amplification. The mice suffering from HPT recovered quickly and the serum level of calcium and PTH remained normal for about 3 months after the HSCs recombinated with PTH gene were injected into them. In the groups of mice subject to the injection of the recombinant retroviruses containing PTH gene, the serum level of PTH and Calcium was significantly increased in a short time, and then declined slowly. And the mice took on the manifestation of hypoparathyroidism again. The mice only subject to the implantation of HSCs were all dead within 20 days.Conclusion A long term therapeutic effect could be obtained by infusing the HSCs which were integrated with PTH gene into the mice suffered from hypoparathyroidism.

Objective To investigate a potential role for ORF50 promoter of human herpesvirus 8(HHV 8)in reactivation of HHV 8 in primary effusion lymphoma(PEL)BC 3 cells by HIV 1 related inflammatory cytokine,hepatocyte growth factor/scatter factor(HGF/SF). Methods The persistent stimulation of BC 3 was performed by recombinant HGF/SF and treated BC 3 cells were collected at the 3 rd and 7 th day after persistent stimulation respectively. Northern blot, quantitative PCR(real time PCR), and electron microscopy(EM)were carried out to detect the expression of mRNA of minor capsid protein ORF26 and the presence of viral particles of HHV 8 from treated BC 3 cells. Co transfection of BC 3 and human umbilical veil endothelial cells (HUVECs) with HHV 8 ORF50 promoter driven luciferase construct built previously by us and recombinant expression plasmid named pEV containing HIV 1 Tat coding gene was performed and stimulation of co transfected cells with recombinant HGF/SF and/or HIV 1 recombinant gp120 was conducted at 24 hours after transfection to induce luciferase gene expression. Then relative luciferase activity unit(RLU) was calculated at 24 hours after stimulation. In the meantime, stimulation of co transfected cells with 12 O tetradecanoylphorbol 13 acetate(TPA) was performed to be used as positive control. Results It was found that HGF/SF induced an 4.1 folds increase in mRNA expression of ORF26 when it was added individually to BC 3 cells at the 7 th day after persistent stimulation. Viral particles of HHV 8 were readily identified in BC 3 cells stimulated with HGF/SF at the 7 th day with EM analysis. Recombinant HGF/SF could upregulate promoter activity of HHV 8 ORF50 promoter in BC 3 and HUVECs cells and however, HIV 1 Tat and gp120 failed to act synergistically with HGF/SF to enhance ORF50 promoter activity in HUVECs. Conclusions The results show that HIV 1 related inflammatory cytokine HGF/SF is responsible for the induction of HHV 8 lytic cycle replication and the induction may be, at least partly mediated by ORF50 promoter of HHV 8.