1.Discussion on the Draft of Chinese Medicine Act
Chinese Journal of Information on Traditional Chinese Medicine 2017;24(1):5-7
Publishment of the draft of Chinese Medicine Act shows that the legislative work for TCM has achieved substantial progress. But after careful analysis on the legislative bills, there are some controversial questions, such as integration of traditional Chinese and western medicine, the setting of Chinese medicine clinics, Chinese medicine personnel training, the prescription-based processing Chinese medicine decoction pieces and dispensing Chinese materiamedica preparations by medical institutions. These all need to be further perfected.
2.Legislation on the Relief of Adverse Drug Reactions-induced Harm
China Pharmacy 1991;0(05):-
OBJECTIVE: To explore the ways to evolve the current domestic legislation on the relief of adverse drug reactions(ADR)-induced harm.METHODS: Suggestions on the improvement of the existing related legal systems were put forward by analyzing the status quo of the current legal regulations on the relief of ADR-induced harm.RESULTS & CONCLUSIONS: The relief pattern,liability principle,the scope of paying and the time limit of lawsuit etc should be given into full consideration in the legislation on the relief of ADR-induced harm.
3.Applications of polylactide and its copolymers in medical device fields.
Xuefei QI ; Xiubing PANG ; Kan WU
Chinese Journal of Medical Instrumentation 2014;38(4):274-277
Polylactide and its copolymers are a kind of biomedical material andhave been approved by U.S. Food and Drug Administration. This paper briefly introduces its applications in surgical suture, orthopedics, plastic surgery, ophthalmology and other medical device fields, and also analyzes its development in our country.
Biocompatible Materials
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Polyesters
4.An observation on interference mechanism of Shenfu injection on ghrelin in rats with severe sepsis
Wan WU ; Ronglin JIANG ; Kan OUYANG
Chinese Journal of Integrated Traditional and Western Medicine in Intensive and Critical Care 2015;(6):596-600
Objective To observe the effect of Shenfu injection on intestinal function in rats with sepsis. Methods Forty Sprague-Dawley (SD) rats were randomly divided into four groups: sham operation, sepsis model, low and high concentration Shenfu injection groups, each groupn = 10. The sepsis model was replicated by cecal ligation and puncture (CLP), while the rate in sham operation group just underwent abdominal incision without CLP. Ten minutes after CLP, the low and high dose Shenfu injection groups were given 5 mL/kg and 10 mL/kg Shenfu intravenous injection via a tail vein respectively. The rats in the model group were treated by intravenous injection of 10 mL/kg normal saline through a tail vein in 10 minutes after CLP. Twelve hours later, the rats were sacrificed. The levels of Ghrelin, Gastrin, tumor necrosis factor-α (TNF-α), high mobility group B1 protein (HMGB1), myeloperoxidase (MPO) and diamine oxidase (DAO) activity in serum were detected by enzyme linked immunosorbent assay (ELISA). The levels of protein of Ghrelin and gastrin receptor (GHSR) were detected by Western Blot. Under light microscope, the histopathological changes in intestinal mucosa were investigated, and Chiu score was determined, and the apoptosis index (AI) of intestinal mucosal epithelial cells was detected by terminal deoxynucleotidyl transferase-mediated dUTP nick end labeling (TUNEL).Results Compared with sham operation group, in model group, the levels of Ghrelin and Gastrin in serum were significantly decreased [Ghrelin (ng/L): 121.23±3.53 vs. 146.28±5.43, Gastrin (ng/L): 81.78±3.27 vs 102.78±4.07], the serum levels of TNF-α and HMGB1 were markedly increased [TNF-α (mg/L): 93.71±3.66 vs. 11.69±1.44, HMGB1 (mg/L): 76.25±4.12 vs. 22.41±3.08], the DAO activity and protein expressions of Ghrelin and GHSR of intestinal tissue were obviously decreased [DAO (U/mL): 14.64 ±0.68 vs. 25.13±1.98, Ghrelin (grey value): 0.12±0.02 vs. 0.23±0.04, GHSR (grey value): 0.18±0.02 vs. 0.32±0.03], the MPO activity in intestinal tissue, Chiu score of intestinal mucosa and AI of ileum mucosal epithelial cells were remarkably increased [MPO (mg/L): 175.98±6.95 vs. 45.64±4.48, Chiu score: 3.90±0.52 vs. 0.30±0.30, AI: 29.31±1.65 vs. 5.45±1.35, allP < 0.01]. Compared with model group, in low and high Shenfu injection groups, the levels of Ghrelin in serum and protein expressions of Ghrelin and GHSR in intestinal tissues were significantly increased (P < 0.05 orP < 0.01), the activity of DAO of intestinal tissues, the Chiu score and AI were significantly decreased, the degrees of changes being more significant in high Shenfu injection group than those in low Shenfu injection group [Ghrelin (ng/L): 143.54±3.89 vs. 136.58±4.91, TNF-α (mg/L): 75.13±4.69 vs. 83.70±4.40, HMGB1 (mg/L): 57.47±4.53 vs. 65.41±4.63, protein expression of Ghrelin (grey value): 0.18±0.03 vs. 0.15±0.03, protein expression of GHSR (grey value): 0.28±0.03 vs. 0.23±0.03, MPO (mg/L): 154.05±5.75 vs. 162.64 ±5.73, DAO (kU/L): 19.70±1.51 vs. 16.67±0.92, Chiu score: 2.30±0.52 vs. 3.20±0.48, AI: 20.38±1.34 vs. 26.40±1.32, allP < 0.05]. The levels of serum Gastrin in low and high Shenfu injection group were higher than those in model group, but no statistically significant differences were found (83.59±3.24, 86.54±5.93 vs. 81.78±3.27, bothP > 0.05). Under light microscope, the pathological changes were seen as follows: destruction and obvious edema of intestinal mucosal villi, ulcer formation, significant perivascular hemorrhage, presence of neutrophil infiltration and fracture of basement membrane in model group, while in low and high Shenfu groups, the intestinal villi had little defect, focal necrosis, small amounts of hemorrhage and neutrophil infiltration. Conclusions Shenfu injection can significantly improve the abnormal expressions of serum Ghrelin, reduce the levels of serum TNF-α and HMGB1, lowered MPO activity and enhance DAO activity in intestinal tissue, alleviate pathological changes in ileum mucosa, and decrease AI of ileum mucosal epithelial cells in rats with sepsis. And the degree of therapeutic effect is proportional to the Shenfu injection dose.
5.Clinical application of low energy intracardiac cardioversion of atrial fibrillation
Journal of Interventional Radiology 2001;0(06):-
Objective To evaluate the efficacy and safety of low energy intracardiac cardioversion in persistent atrial fibrillation. Methods Low energy intracardiac cardioversion was performed by delivering R wave synchronized biphasic shocks in 7 patients(4 men, 3 women) with persistent atrial fibrillation. Prior to the procedure, all patients underwent transesophageal echocardiographic examinations to rule out the presence of intracardiac thrombus and received subcutaneous injection of low molecular weight heparin for 3 5 days. Two custom made 6 Fr catheters(Rhythm Technologies of Getz, USA) were used for de fibrillation shock delivery. One catheter was positioned in the lower right atrium so that the majority of the catheter electrodes had firm contact with the right atrial free wall. The second catheter was placed randomly either in coronary sinus through right internal jugular vein or in the left pulmonary artery through femoral vein. In addition, a standard diagnostic 6 F quadropolar catheter was placed at the right ventricular apex for ventricular synchronization and postshock ventricular pacing. Shocks were delivered by Implant Support Device(Model 4510, Teleceronics). After conversion, all patients were treated with intravenous amiodarone in the first 24 hours followed by oral administration. Results In all 7 patients cardioversion of atrial fibrillation to sinus rhythm was successfully obtained. A mean of 2?1 shocks per patient has been delivered with a total amount of 13 shocks. The average delivered energy was 7.8?2.2 Joules. No complication occurred. At a mean follow up of 18?9 months, 4 of the 7 patients treated successfully showed sinus rhythm there after. Atrial fibrillation recurred in 3 patients at the second, fifth day and eighth month after cardioversion. Conclusions Low energy intracardiac cardioversion is effective and safe, and can be easily performed in patients without geneal anesthesia. It offers a new option for restoring sinus rhythm in patients with persistent atrial fibrillation.
6.Research Progress in the mechanism of histone deacetylase inhibitors as radiosensitizers
Kan WU ; Zhibing WU ; Xufeng CHENG ; Shenglin MA
Journal of International Oncology 2014;41(6):425-428
One leading research target of modern tumor radiotherapy is to increase radiosensitization of tumor and improve curative effect of radiotherapy.Histone deacetylase inhibitors are epigenetic drugs that can play a part in radiosensitization through means of induction of apoptosis,inhibition of repair of DNA doublestrand breaks,cell cycle arrest,improvement of tumor cell hypoxia and increase of reactive oxygen species.There is an urgent need to develop biomarkers based on these pathways,which can promote clinically individualized treatment.
7.CT-guided radiofrequency ablation for the treatment of advanced non- small cell lung cancer:observation of clinical short-term efficacy
Hui LI ; Minghui WU ; Xiaojing KAN ; Cuiyun CHEN ; Jingzhong WU
Journal of Interventional Radiology 2015;(4):320-322
Objective To investigate the short-term efficacy of CT-guided radiofrequency ablation (RFA) for the treatment of advanced non-small cell lung cancer. Methods During the period from June 2010 to June 2013, a total of 100 patients with advanced non-small cell lung cancer were admitted to authors’ hospital. The patients were equally and randomly divided into the study group (n=50) and the control group (n=50). The patients of the control group received concurrent radiotherapy and chemotherapy treatment, while the patients of the study group received CT-guided RFA. The clinical effect, changes in CT values after the treatment, the improvement of physical condition and postoperative complications were recorded, and the results were compared between the two groups. Results The remission rate of the disease in the study group was 86.0%, which was much higher than that in the control group (52.0%), and the difference between the two groups was statistically significant (P<0.05). After the treatment, the CT value of the study group was (14.1±3.9) HU, which was significantly lower than that of the control group (29.8±4.7 HU, P<0.05). The physical improvement rate of the study group (66.0%) was significantly higher than that of the control group (44.0%), the difference between the two groups was statistically significant (P<0.05). The occurrence of postoperative complications, such as pulmonary infection, chest pain, fever, thoracic effusion and gastrointestinal reaction, in the study group was strikingly lower than that in the control group (P<0.05). Conclusion For the treatment of advanced non-small cell lung cancer, CT-guided radiofrequency ablation is safe and less-invasive, it can improve the clinical short-term effect as well as the quality of life. Therefore, this technique should be recommended in clinical practice.
8.Clinical observation of sufentanil and midazolam assisted epidural anesthesia for cholecystectomy
Kan YANG ; Xiaodong PENG ; Zhonghou XU ; Qingling WU
Chinese Journal of Primary Medicine and Pharmacy 2011;18(3):329-331
Objective To investigate the effect of sufentanil and midazolam assisted epidural anesthesia for cholecystectomy on sedative effects,visceral pulling reaction and the functions of respiratory and circulatory system.MethodsFourty patients underwent cholecystectomy received informed consent, were randomly allocated to two groups:group A and group B( n =20 each). When the level of epidural block is appropriate,auxiliary medicine infusion was given 5min before the skin incision. In group A,first injection was sufentanil 0. lμg · kg-1 and midazolam 0. 02mg · kg-1 in 1-2 min, then continuous infusion of sufentanil and midazolam was given at the rate of 0. 2μg ·kg-1 · h-1 and 0. 04μg · kg-1 · h-1 respectively,and the infusion was stopped at the time of wound closure. Group B received slow intravenous injection of pethidine 1mg · kg-1 and droperidol 0. 5mg · kg-1. We recorded the differences of SBP、DBP、SpO2 、HR、Ransay score and visceral pulling reaction classification. Results SBP、DBP、HR after anesthesis,were decreased in different degree in the above groups,but there was no statistically significant difference( P >0. 05). According to Ramsay score,in group A there were 3 cases in grade Ⅱ、8 cases in Ⅲ and 9 cases in Ⅳ ,while in group B there were respectively 4 cases in Ⅱ、13 cases in Ⅲ and 3 cases inⅣ. By comparision,the differences had statistical significance ( u = 3.75, P < 0. 05 ); Group A according to visceral pulling reaction classification (0- Ⅲ ), were 9 cases in grade 0,9 cases in Ⅰ , 1 cases in Ⅱ and 1 cases in Ⅲ, while in group B there were respectively 4,5,7 and 4 cases. By comparision, the differences had statistical significance(u = 4. 01,P < 0. 01 ). Conclusion In the cholecystectomy,sufentanil and midazolam assisted epidural anesthesia,could improve the level of sedation ,prevent visceral pulling reaction ,and had a minor interference to respiratory and circulatory function.
9.Pinaverium bromide combined with bifid triple viable and doxepin therapy in diarrhea-dominant irritable bowel syndrome
Rong WU ; Jianmin SI ; Kan WANG ; Shujie CHEN
Chinese Journal of Postgraduates of Medicine 2011;34(19):1-4
Objective To evaluate the efficacy of stomach intestine power regulator, intestinal microecology preparation and tricyclic antidepressant treatment in irritable bowel syndrome (IBS), and to investigate its pathological mechanism. Methods From November 2006 to November 2010, 103 patients with diarrhea-dominant IBS (D-IBS), who fulfilled the Rome Ⅱ criteria and were excluded from organic disease by entewscope were divided into pinaverium bromide group (26 cases), pinaverium bromide + bifid triple viable group (28 cases), pinaverium bromide + doxepin group (25 cases) and pinaverium bromide +bifid triple viable + doxepin group(24 cases ) by random digits table. The symptom grade, intestinal flora and SCL-90 was tested before treatment and 4 weeks after treatment. Results The total effective rate of pinaverium bromide + bifid triple viable + doxepin group was 83.33%(20/24), significant higher than that in pinaverium bromide group [65.38%(17/26)], pinaverium bromide + bifid triple viable group [71.43%(20/28)], pinaverium bromide + doxepin group [68.00% ( 17/25 )] (P < 0.05 ). Five kinds of intestinal flora and psychiatric symptoms were improved in the four groups, and those in pinaverium bromide + bifid triple viable + doxepin group improved significantly. Conclusions To interfere the correlation factor of IBS can have better efficacy. There is a close relation between brain and gut in patients with IBS, which may be involved in the pathogenesis of IBS.
10.Anterior surgical treatment of type Ⅱ traumatic spondylolisthesis of the axis
Qionghua WU ; Weishan CHEN ; Qixin CHEN ; Kan XU ; Fangcai LI
Chinese Journal of Trauma 2009;25(5):399-402
Objective To evaluate the clinical efficacy of anterior C2-3 discectomy and fusion in treatment of type Ⅱ traumatic spondylolisthesis of the axis. Methods A total of 27 patients with type Ⅱ traumatic spondylolisthesis of the axis were treated with anterior C2-3 discectomy, fusion and plate fixa-tion. There were 19 males and 8 females, at average age of 38 years (22-67 years). The spinal cord function was at Fraukel D in four patients. Results Operation lasted for 75-95 minutes (mean 86 mi-nutes), with blood loss of 100-160 ml (mean 135 ml). Hospital stay was 9-12 days ( mean 10.8 days). Follow-up for 9-24 months (mean 14 months) showed that all patients achieved bony fusion within three months postoperatively, with no anterior displacement or kyphosis. The range of cervical movement was normal, with no chronic neck pain ocurred. Conclusions Anterior approach can minimize surgical trauma, shorten recovery time and hospital stay. Anterior C2-3 discectomy and fusion is a feasible and safe surgical technique and can get satisfactory therapeutic effect in treating type Ⅱ traumatic spondylolisthesis of the axis.