Anti-Inflammatory Agents ; therapeutic use ; Colitis, Ulcerative ; diagnosis ; drug therapy ; Drug Therapy, Combination ; Drugs, Chinese Herbal ; therapeutic use ; Humans ; Integrative Medicine

Objective To prepare chitosan (CS)-compound Yizhihao-nanoparticles (NP) and to investigate its antibacterial activity. Methods CS NPs were formed by the incorporation of CS and Na3PO4. CS-compound Yizhihao NPs were prepared by ion-cross-linking. The particle sizes and surface charges of CS NPs were determined by Malvern Zetasizer 1000-HAS and atomic force microscope (AFM), respectively. The antibacterial acitivity of CS-compound Yizhihao-NPs was studied in vitro and compared with that of compound Yizhihao powder. Results Malvern Zetasizer 1000-HAS and AFM demonstrated that the diameter of CS-compound Yizhihao NPs was (137.00±14.28)nm and CS NPs had (16.90±1.32)mV positive surface charges. The minimal inhibitory concentrations (MIC) of CS-compound Yizhihao NPs on Staphylococcus aureus,Pneumococcus,β-hemolytic streptococcus, and Escherichia coli were 1:32,1:32,1:16,and 1:2,respectively. The minimal bactericidal concentrations (MBC) of CS-compound Yizhihao-NPs on Staphylococcus aureus,Pneumococcus,β-hemolytic streptococcus, and Escherichia coli were 1:16,1:16,1:8, and 1:2,respectively. The antibacterial efficacy of CS-compound Yizhihao-NPs to Staphylococcus aureus,Pneumococcus,and β-hemolytic streptococcus had been improved significantly (P<0.05). Conclusion CS-compound Yizhihao-nanoparticles have obvious antibacterial activity to the Staphylococcus aureus,Pneumococcus,and β-hemolytic streptococcus,which lays the experimental foundation for new preparation of traditional Chinese medicine in future research.

Obstructive sleep apnea (OSA),the most common type of sleep disordered breathing was closely associated with the occurrence of ischemic stroke.It has been demonstrated that OSA is an independent risk factor for ischemic stroke.Its pathogenic mechanism includes atherosclerosis,coagulation abnormalities and cerebral hemodynamic changes caused by long-term periodic hypoxia hypoxemia and hypercapnia.The prognosis of ischemic stroke patients with OSA is poor.Therefore,it needs to be treated early to avoid further damage to brain tissue and reduce the mortality.

Objective To observe the clinical efficacy of intratympanic dexamethasone injection for patients with sudden sensorineural hearing loss (SSNHL). Methods Forty-four SSNHL cases (44 ears) which failed to respond to regular treatments were divided into two groups. The intratympanic injection group (24 eases) were injected dexamethasone 2.5 mg to the tympanic cavity every two days,4 times in all. The control group (20 eases) were treated with B1,B12 and triphosaden. Pure tone average (PTA) was tested before and 3 days after treatment. Results The total effective rate of intratympanic injection group was higher than that of control group [37.5%(9/24) vs 10.0%(2/20)] (P < 0.05). In intratympanic injection group, PTA of post-injection was significantly lower than the pre-injection[ (52.75±20.14) dB vs (70.26±20.76) dB ] (P < 0.05). PTA of post-injection in intratympanic injection group was significantly better than that in control group[(52.75±20.14) dB vs (63.55±19.36) dB](P< 0.05). Conclusion Intratympanic dexamethasone injection can be applied to SSNHL patients who failed to respond to systemic corticosteroid treatment and it can avoid the side effects brought on by high dose systemic corticosteroid treatment.

Adult ; Aluminum ; adverse effects ; Electrolysis ; Fluoride Poisoning ; epidemiology ; Humans ; Male ; Occupational Exposure ; adverse effects ; Workplace ; Young Adult

Altitude Sickness ; diagnosis ; Humans ; Occupational Diseases ; diagnosis ; Reference Standards

The development of medical institutes needs not only marvelous hardware construction,but also software strength,such as the hospital culture,brand establishment,etc.Only by the persistent and coordinated development of hardware strength and software strength,can hospital's comprehensive strength and core competitiveness be effectively improved.To enhance hospital software strength,it is necessary to cultivate hospital culture with unique features,emphasize brand establishment,devise long-term development blueprint of medical institutes and activate hospital's potential for further development.

Objective] Summarize the experience of diagnosis and treatment of plasma cell mastitis by Gu ’s surgery department. [Method] By collecting medical records, from the teachers, pathogenesis, to summarize the inheritance and development of diagnosis and treatment of plasma cell mastitis by Gu ’s surgery department three generations, according to the present situation, analysis of the problems existing in the treatment of the disease. [Results] The disease was first discovered and reported by Dr.Gu Bohua in the domestic.Gu’s surgery department gradually gropes for a set of solution method in treatment of plasma cell mastitis after three generations from the treatment based on the external therapies in the initial, to later, internal and external therapies, at present based on the internal therapies. Clinical studies have found that the internal and external therapies have advantages of high cure rate, short treatment time, but the scar is larger, while the internal therapies in the long treatment cycle achieve the same cure rate, but the scar is smaller, less expensive. But the exploration of the cause of the disease, diagnosis and standardized treatment is still fraught with problems. [Conclusion]Developing by three generations, Gu ’s surgery department provides a more complete mentality and pragmatic value in treating plasma cell mastitis.

Large amounts of clinical studies and epidemiological data have confirmed that obesity is closely related to the development and progression of endometrial cancer.The mechanism of the endometrial cancer may be involved estrogen,insulin,insulin-like growth factor,leptin,adiponectin,resistin fat factor, inflammatory factors and so on.

Bioisosterism is one of the most common strategies in drug structure optimization. With the development of medicinal and organic chemistry, more and more classic and non-classical bioisosteres are used in the design of novel drugs. In recent years, fluorinated groups as a bioisostere have been paid more and more attention by pharmaceutical chemists. This paper briefly reviews the physicochemical properties, chemical preparation methods of difluoromethyl (CF₂H) group, and its application in drug design to provide references for drug discovery researchers.