1.Application and Deliberation of Secondary Database Management System for Medical Consumables
Yuanfeng ZHANG ; Yi ZHANG ; Limei XIE
Chinese Health Economics 2013;(11):93-94
The charge management of medical consumables is the difficulty and weakness of price management in medical institutions. The establishment and application of the secondary database management system has realized precise management for materials fees. It has positive significance in ensuring the quality of medical charge and proving awareness and ability of cost management for departments.
2.Determination of Ferulic Acid and Gastrodin in Drug Delivery System of Dachuanxiong by HPLC/DAD
Yuanfeng WEI ; Ning ZHANG ; Yi FENG
Chinese Journal of Information on Traditional Chinese Medicine 2006;0(07):-
Objective To set up a RP-HPLC method for determining gastrodin and ferulic acid in drug delivery system of Dachuanxiong simultaneously. Methods ODS-2 Hypersil column was used with methanol-1% glacial acetic acid as solution gradient elution. The flow rate was 1 mL/min and column temperature was 25 ℃. The wavelength of detector of gastrodin was 270 nm, and ferulic acid was 322 nm. Results Gastrodin and ferulic acid can be separated well with other components within 40 minutes. The linear range of gastrodin was 0.092~1.840 ?g (r =1.000 0), and ferulic acid was 0.122~2.440 ?g (r =1.000 0). The average recovery rate of gastrodin was 99.50% with RSD=1.23% (n =5), and ferulic acid was 101.5% with RSD=1.52% (n=5). Conclusion The method is simple, rapid, accurate and reliable, and can be used for determining gastrodin and ferulic acid in drug delivery system of Dachuanxiong simultaneously.
3.A study on cryopreservation of human fetal islet
Hongde ZHANG ; Shengrong ZHONG ; Yuanfeng HU
Chinese Journal of Diabetes 1994;0(02):-
A study on the ideal method for cryopreserving human fetal islet tissues was carried out. The viability and the secretory function of fetal islets cryopreserved with 1.0,1.5,and 2.0 mol/L DMSO and with balancing for 30 and 60 minutes under room temperature and 4℃ as well as the influence of different cooling rates were compared. The results of the study showed that the viability of islets cryopreserved with slow cooling rate at 0.3℃/min, was the best and the insulin content of the media and the amount of insulin secretion of the insulin releasing test were significantly higher than those of the control group.In addition,morphologic examination with HE and immunocytochemical staining showed that the morphology of the islets cryopreserved with 1.5 mol/L DMSO,balancing under 4℃ for 60 minutes and slow cooling rate was much better,i.e.the acinar cells appeared to be degenerated and necrosed,clusters of islets with insulin-positive cells and the ductule-like cells were clearly visible.
4.Kidney sparing operation in the surgical treatment of calculous pyonephrosis
Yuanfeng RUAN ; Qinghua ZHANG ; Haicheng LI
Chinese Journal of Urology 2001;0(10):-
Objective To investigate the feasibility of kidney sparing operation in the surgical treatment of calculous pyonephrosis. Methods 31 cases of calculous pyonephrosis were treated by nephrolithotomy or ureterolithotomynephropyelostomy with a double J catheter stent in the ureter.23 cases have been followed up and evaluate. Results The renal function returned to some extent in 78.3%(18/23).However,renal atrophy was observed in 21.7%(5/23) one year after and stone recurrence in 13%(3/23). Conclusions Calculous pyonephrosis of short course on reliving the obstruction would cause the return of renal blood circulation and renal function in near 80.0% of the cases.Thickness of the remaining renal cortex might not be the sole parameter to keep the kidney or not.To save the kidney in calculous pyonephrosis of short course might be feasible.
5.Comparative Study of Effects of Spleen-strengthening Recipes on Water-Electrolyte Metabolism and Water Transport in Rats with Spleen-deficiency Syndrome
Guangxia ZHANG ; Jing ZHAO ; Biyuan LIU ; Yuanfeng ZHANG ; Ming XIE
Journal of Guangzhou University of Traditional Chinese Medicine 2016;(1):51-55
Objective To compare the effects of different spleen-strengthening recipes on water-electrolyte metabolism and water transport in rat model of spleen-deficiency syndrome. Methods The male Wistar rats were randomly assigned into the normal group and spleen-deficiency model group. The rat model of spleen-deficiency was established by overstrain plus disordered diet method. On the 15th modeling day, the model rats were randomly assigned into model group , Buzhong Yiqi Tang(BYT) group, Si Junzi Tang(SJT) group, Shenling Baizhu San(SBS) group, and the rats except for the model group were treated with gastric gavage of the corresponding medicine in the dosage of 4.05 g·kg-1·d-1. Rats of normal group and model group were given equal volume of normal saline. The medication lasted for 14 days. On the 29th experimental day, we detected serum Na+ and K+, plasma antidiuretic hormone(ADH) and aldosterone(ALD), aquaporin 3(AQP3) in the small intestine and colon, and renal AQP2. Results Compared with the normal group, plasma ADH and ALD levels, serum Na+ level, renal AQP2 content in the model rats were increased significantly, serum K+ and AQP3 content of small intestine and colon mucosa was decreased significantly(P<0.01). Compared with the model group, plasma ADH and ALD levels, serum Na+ level, renal AQP2 content in the three medication groups were decreased significantly, serum K+level and AQP3 in the small intestine and descending colon mucosa was increased significantly(P<0.05 or P<0.01). Of the three medication groups, SBS group had lower ADH, ALD, Na+levels, and higher serum K+level and AQP3 in the small intestine and descending colon mucosa than BYT group and SJT group(P<0.01); SBS group and BYT group had lower renal AQP2 than SJT group(P<0.05 or P<0.01). Conclusion Rat model with spleen-deficiency syndrome has disordered water-electrolyte metabolism and abnormal water transport. The spleen-strengthening recipes, which have the actions of strengthening spleen, strengthening spleen to drain dampness, strengthening spleen to elevate yang, can improve the disorder of water metabolism to some degrees, and SBS has the best effect.
6.Long-term reproductive consequences of no-scalpel vasectomy in beagles.
Yuanfeng, ZHANG ; Xinggang, WANG ; Zonglin, CHEN ; Xunbin, HUANG
Journal of Huazhong University of Science and Technology (Medical Sciences) 2012;32(6):899-905
The effects of vasectomy on the reproductive organs in various species are controversial. This study investigated the morphological change and apoptosis of the testis, epididymis, and vas deferens in beagle dogs 12 months after vasectomy. The male beagles were divided into two groups: vasectomized and sham-operated groups (n=5 in each). Histopathological, ultrastructural, and TUNEL evaluation of the changes in the testis, epididymis, and ductus deferens of each animal were conducted 12 months after surgery. The mean lumen diameter, cellular thickness, mean interstitial distance, and lumen area fraction of each seminiferous tubule and ductus epididymis were measured by stereological analysis. The results showed that, compared with the sham-operated group, the seminiferous tubular epithelial cells of the testes in the vasectomized group were disorderly arranged and scattered. Significant atrophy and apoptosis were found in the endothelial cells, and a range of ultrastructural variations were observed in the cells of testes, epididymis, and vas deferens in vasectomized group. It was concluded that complete obstruction of the vas deferens as a traditional contraception method is not absolutely safe in terms of the reversal of fertility in the long run. Techniques of relieving the inner pressure in the vas deferens while maintaining the efficacy of male contraception need to be explored.
8.Islet autoantibodies and type 1 diabetes mellitus
Weiping DONG ; Yuanfeng HU ; Yufei WANG ; Aifang ZHANG ; Lijuan WANG
Chinese Journal of Endocrinology and Metabolism 1986;0(04):-
The positive rate of autoantibodies was 29.7% in 1617 diabetic patients. The positive rate of monoautoantibody was lower than that of combined assay with 3 autoantibodies. Combined assay of multiple autoantibodies may enhance the positivity of early diagnosis of type 1 diabetes mellitus. Glutamic acid decarboxylase antibody (GADA) may be a better screening test for predicting insulin dependency, the prediction of GADA combined with protein tyrosine phosphatase antibody may approximate to 100%, whereas islet cell antibody assay may be needed in the adolescent patients.
9.Inreasing Efficacy and Decreasing foxicity of Chinese Medicine Combined with Oxaliplatin in the Treatment of Cancer
Yuanfeng ZHANG ; Tuo SHI ; Ming XIE ; Chenglong LI
China Pharmacist 2017;20(7):1218-1223
Oxaliplatin, a third-generation platinum-based compound with significant activity against tumors, has become pivotal for the therapy of cancer after cisplatin and carboplatin.The digestive tract reaction, myelosuppression and nephrotoxicity have been alleviated, however, oxaliplatin induced neurotoxicity occurs prominently.Therefore, how to effectively eliminate and prevent chemotherapy-induced side and toxic effects becomes a great challenge for oncologists.plenty of evidence has hinted that combination of Chinese herbal medicine and oxaliplatin can not only reduce the toxicity, but also improve the actual efficacy, clinical research and experimental researches on increasing off cacy and decresing foxcity of Chinese herbal medicine combined with oxali-platin in the treatment of cancer in recent years were rewewed.to provide reference for the clinical use of oxaliplatin-based chemotherapy regimen.
10.Design and implementation of medical assets management system
Xuezhong TONG ; Chuanxin ZHANG ; Yuanfeng DAI ; Yang YUAN
Chinese Medical Equipment Journal 2017;38(4):54-57,61
Objective To develop a medical assets management system involving in early warning information platform,barcoding technology and whole-life management.Methods The system was developed based on requirement analysis as well as the technologies of Web,mobile communication,mobile application and etc.Real-time monitoring of the flows of assets and funds were realized by information flow so as to master dynamic information on medical assets.Results Real-time and dynamic management of hospital fixed and circulatory assets were executed with a department,a system and a set of reports,and the problems were solved resulting from over-centralized authority for purchase,warehousing,reporting and etc.Conclusion The system gains advantages in cost control,assets utilization efficiency and etc.