OBJECTIVE:To study the stability of omeprazole in micro-pump by continuous administration.METHODS:RP-HPLC were used to determine the concentrations of omeprazole at different times in micro-pump after administrcotion24h by simulating the dose mode in clinical.RESULTS:Omeprazole for injection was stable in6h after administration.CON?CLUSIONS:The time of taking omeprazole via micro-pump should be controled in6h.

Animals ; Chronic Disease ; Heart Failure ; drug therapy ; Humans ; Hydroxymethylglutaryl-CoA Reductase Inhibitors ; adverse effects ; therapeutic use

Humans ; Occupational Diseases ; epidemiology ; prevention & control ; Risk Assessment

Objective To investigate the diagnostic value of the quantitative analysis parameters of dynamic contrast-enhanced MRI (DCE-MRI) for prostate cancer.Methods MR examination were performed in 26 patients and correlations were made with surgical pathology following radical prostatectomy.According to the localization of pathologic specimens,ROI were drawn on areas of cancerous regions,noncancerous regions in peripheral zone and central gland to measure the values of Ktrans,kep and Ve.The values of the three parameters in different tissue were compared with Kruskal-Wallis H and Mann-Whitney U.Results Twenty six patients had prostate cancer confirmed by pathology.Data from 468 assessable regions of prostate were acquired,including 115 cancerous regions and 142 noncancerous regions in central gland,68 cancerous regions and 143 noncancerous regions in peripheral zone.Prostate cancer showed a multifocal distribution.The K,kep and Ve values were (1.04 ± 0.26)/min,(1.43 ± 0.46)/min,(0.76 ±0.12) respectively for cancerous regions in central gland,and (0.82 ±0.19)/min,(1.12 ±0.26)/min,(0.75 ± 0.14) respectively for noncancerous regions in central gland,(0.95 ±0.31)/min,(1.31 ±0.51)/min,(0.76 ± 0.13) respectively for cancerous regions in peripheral zone and (0.32 ± 0.07)/min,(0.52 ± 0.13)/min,(0.64 ± 0.14) respectively for noncancerous regions in peripheral zone.The differences among the three parameters were statistically significant (x2 =316.008,297.985,63.681,P ＜0.01).The Ktrans,kep values of cancerous regions were significantly higher than the corresponding values of noncancerous regions,respectively.Conclusion Quantitative analysis parameters of DCE-MRI contribute to the diagnosis of prostate cancer,including cancer located in central gland.

Humans ; Occupational Diseases ; diagnosis ; Occupational Health ; Occupational Health Services ; United Kingdom

Adult ; Benzene ; poisoning ; China ; Cross-Sectional Studies ; Female ; Humans ; Male ; Middle Aged ; Occupational Exposure ; adverse effects ; statistics & numerical data ; Young Adult

OBJECTIVE: To investigate the feasibility and results of laryngeal functional preservation surgery for piriform sinus carcinoma with paraglottic space involvement. METHOD: Fourteen cases of piriform sinus carcinoma with paraglottic space involvement were reviewed. Laryngoplasty was performed after tumor was resected, bilater al selective neck dissections were performed at the same stage. Postoperative chemoradiotherapy was applied to 11 patients while the other 3 patients did not receive chemotherapy nor radiotherapy. The follow-up time ranged from 6 months to 5 years, and the mean follow-up time was three and a half years. RESULT: Twelve cases healed primarily while 2 cases experienced delayed heal because of pharyngeal fistula. Postoperative swallow bucking occurred in all patients, the longest gastric feeding time was 2 months. For the patients underwent postoperative chemoradiotherapy, the tumor did not recur in ten cases during the 3 years follow-up, while recurred in another case and the patient died without further treatment. Among those 3 cases without postoperative radiotherapy or chemotherapy, the tumor recurred in 2 cases during the following 6 months and chemoradiotherapy was applied, no recurrence presented in one patient, another one lost of follow-up. For the patient with recurred tumor 8 months after surgery, total laryngectomy was employed with postoperative chemoradiotherapy, the case died of tumor recurrence one and half year after the first surgery. The 3-year survival rate was 78.6%. For the vocal cord at lesion side, the mobility was noticeable in 6 patients, and visible anatomic landmark was lost in the other 8 patients. CONCLUSION Laryngeal function preservated surgery could be performed in selected cases of piriform sinus carcinoma with para-glottic space involvement in order to achieve better clinical results and quality of life.
Aged ; Carcinoma ; surgery ; Female ; Follow-Up Studies ; Glottis ; Humans ; Hypopharyngeal Neoplasms ; surgery ; Larynx ; physiology ; Male ; Middle Aged ; Organ Sparing Treatments ; Pyriform Sinus ; pathology ; Retrospective Studies ; Treatment Outcome

Objective To evaluate the anti-tumour effect of 60℃ LipiodoI in the embolization of VX_2 hepatocarcinoma in rabbits.Methods VX_2 carcinoma cells were surgically implanted into the left liver lobe in 30 male New Zealand white rabbits,which were randomly divided into 3 groups by figure and table method with 10 rabbits in each group.Physiological saline,Lipiodol(37℃),and Lipiodol(60℃)were injected in each group via hepatic artery and liver cancer was embolized.The volume of tumour and serum level of aspartate aminotransferase(AST)were observed after one week,and the survival period of VX_2 rabbits was also observed.Results In the group of Lipiodol(60℃),the growth rate of tumour(0.92? 0.21)was significantly lower than that of control group(3.48?1.17)and Lipiodol(37℃)groups (1.69?0.26),respectively(F=34.95,P0.05),but was significantly higher than the control group(68.6?6.6)U/L(t=19.24,P

Objective To explore the experiences of the diagnosis and treatment of urothelial tumor in multiple organs.Methods Clinical data of 10 patients with urothelial tumor in multiple organs were retrospectively reviewed.Urothelial tumors were found in two or more organs at the same time by B ultrasound,IVU,R-P,CTU,MRU,cystoscopy,ureteroscopy and so on before operation.Results 6 cases were operated by radical total nephroureterectomy and partial cystectomy,3 cases were operated by radical total nephroureterectomy and cystectomy with urinary diversion,1 case was operated by partial ureterectomy and total cystectomy.8 of them were alive,1 case was operated by total urethrectomy because of tumor recurrence in the posterior urethra,one died of metastasis tumor 18 months after operation,and the other died 32 month after operation.Conclusions Combined use of various kinds of the diagnostic means (ultrasound,IVU,R-P,CTU,MRU,cystoscopy,ureteroscopy) are important for the diagnosis of urothelial tumor in multiple organs.It needs to select the operate mode according to the tumor staging and grade and the patient's condition.Reinforcement surveillance and close follow up is required after operation.

Objective To evaluate the relationship between combined muhigene detection and response to chemotherapy and prognosis in epithelial ovarian carcinomas(EOCS).Methods A total of 80 ovarian tissue samples taken from the surgical specimens of patients with EOCS of our hospital in the last two decades who had received chemotherapy "after surgery were paraffin-embedded.The samples were divided into 2 groups,good prognosis group(patients who survived more than 2 years,n=46)and poor prognosis group(patients who survived less than 2 years,n=34).The expression levels of ToPo-Ⅱ,Ki-67,MGMT, PCNA,p27,p53,pl6,P-gp,LRP,GST-?,bcl-2,C-myc,Fas,bax,MSH2,MRP and BCRP were investigated by the combination of tissue arrays and immunohistoehemical streptavidin-biotin peroxidase(SP) method in all samples.Data were analysed with SPSS 12.0 for windows.Results There were statistically significant differences in the positive expression levels of P-gp,BCRP,MGMT,MSH2,p27 and p16(62%, 50% and 50% in poor prognosis group vs 33%,28% and 28% respectively,P