1.Diagnostic significance of PCT for neonatal sepsis
Weizhou QIAO ; Tingting YANG ; Yunyun YANG
International Journal of Laboratory Medicine 2015;(7):913-914,917
Objective To determine the special diagnostic superiority of PCT test over CRP and WBC count test for neonatal sepsis .Methods 46 newborn inpatients diagnosed neonatal sepsis in the neonatal department of Dalian Central Hospital from Janu‐ary 2013 to January 2014 and contemporaneous 50 uninfected neonatal inpatients as control group were collected .The PCT and CRP concentrations and WBC count were simultaneously measured at admission .Results The WBC count had no statistical difference between the two groups ,but the PCT and CRP detection showed the statistical difference between the two groups (P<0 .01) ,the sensitivity of PCT test was 87% ,which was significantly higher than 63% of CRP test ,but the specificity of PCT test was 87% , which was slightly lower than 90% of CRP test .The Youden index of PCT test was obviously higher than that of CRP test and WBC count .Conclusion PCT is superior to CRP and WBC count in diagnosing neonatal sepsis .
2.Mechanisms of sperm quality decline induced by psychological stress: a review
YANG Tianfeng ; SHEN Yunyun ; XU Fangzhong
Journal of Preventive Medicine 2024;36(8):683-686
Abstract
Psychological stress is a significant contributing factor for the decline in male sperm quality. In terms of the psychological mechanism, the decline of sperm quality due to psychological stress is associated with increased perceived stress and different coping strategies. External sources of stress can elevate stress perception, then affect sperm quality, while coping strategies may modulate the impact of stress perception on sperm quality. In terms of the physiological mechanism, psychological stress disrupts the normal functioning of the sympathoadrenal system, hypothalamic-pituitary-adrenal axis and hypothalamic-pituitary-gonadal axis, leading to disturbances in the essential endocrine environment for sperm production. This review synthesizes the psychological and physiological mechanisms through which psychological stress influences male sperm quality, providing insights into the prevention and treatment of male infertility.
3.MRI findings of chromophobe renal cell carcinoma and literature review
Jingang HAO ; Hongjiang ZHANG ; Yunyun SHANG ; Feifei YANG ; Jun TAN
Journal of Practical Radiology 2014;(11):1845-1847
Objective To evaluate the diagnostic value and limitation of MRI for chromophobe renal cell carcinoma.Methods MRI features of 5 cases with pathology proved chromophobe renal cell carcinoma were analyzed retrospectively.Results All tumors showed homogenous isoin-tensity or slightly hypointensity on T1 weighted images and isointensity or slightly hyperintensity on T2 weighted images.Slightly hyperintensity were showed on DWI images,the mean ADC value of tumors was 1.42×10-3 mm2/s.On the contrast enhanced images,all the mass showed slight to moderate enhancement ,1 case had spoke-wheel-like enhancement,1 case showed flowed out blood vessels in the tumor.Conclusion The preoperative diagnosis is difficult for chromophobe renal cell carcinoma,MRI is a valuable method which could provide useful information for qualitative diagnosis.
4.Proifling on Invention Patents ofXi-Xinin China
Yang DAN ; Yunyun MA ; Zhiyi SUN ; Haibo LIU
World Science and Technology-Modernization of Traditional Chinese Medicine 2015;(7):1355-1360
Xi-Xin, a commonly used traditional Chinese herbal medicine, was regarded as one of the top grade materia medica since ancient time. The main medical parts were the root and stem. TheChinese Pharmacopeiaregulated the types ofAsarum heterotropoidesvar. mandshuricum,A. sieboldiivar. seoulense, andA. sieboldii. Analysis onXi-Xin related invention and patent information was an important aspect to understand the patent application condition and development tendency. It will also promote the research, development and industrialization of this medicine and promote its scientific result transformation. The Kongfz Patent Search Engine was used in the patent searching. Python and R languages were used in the collection, screening, classification, statistics, digging and analysis. In-depth analysis was made on the domesticXi-Xin related medical invention, patent application condition and development tendency. It provided references for the development ofXi-Xin. The results showed that an ever-increasing number of patents onXi-Xin were available. TheXi-Xin related inventions and patent applications were mainly from China, Republic of Korea, Japan, Russia, the U.S.A., etc. The main clinical applications were common cold, cough, headache, rheumatism and arthralgia, antibiosis, antiphlogosis, and cardiovascular diseases.Xi-Xin was mostly combined with herbal medicine with the effects of invigorating blood circulation and removing blood stasis, relieving exterior syndrome, and tonifying deficiency.
5.Development Analysis ofGinkgo Bilobain the Perspective of Invention Patent
Yunyun MA ; Yang DAN ; Zhiyi SUN ; Haibo LIU ; Yong PENG
World Science and Technology-Modernization of Traditional Chinese Medicine 2015;(7):1349-1354
Ginkgo bilobaL. is one of the most common used medicinal plants worldwide. The mainly medicinal parts are dry leaf and dry seed. Root and stem also have medicinal value. It has been only found in the wild in Tianmu Mountain, Zhejiang Province, China, while cultivated in a much wider area. Since ginkgo is an important plant resources, a comprehensive overview is necessary, which can help understand the current status and the development trends. In this study, the patent information fromEspacenet and World Traditional Medicine Databaseis used to outline the technology development of ginkgo in the perspective of invention patents. The results showed that ginkgo development currently in the early or mid-term maturity period. Ginkgo got the best development in China. Most international exchange of intellectual property happened in United States. More attention has been paid to the development ofG. biloba leaf. Ginkgo’s medicinal application and compatibility were also analyzed in this study.
6.Bicyclol versus diammonium glycyrrhizinate for the treatment of drug-induced hepatic injury in patients with severe psoriasis: a randomized controlled trial
Xiaoyong ZHOU ; Xueyuan YANG ; Yunyun SUN ; Xinyu LI
Chinese Journal of Dermatology 2015;48(4):245-247
Objective To investigate the protective effect of bicyclol tablets on drug-induced hepatic injury in patients with severe psoriasis.Methods One hundred and six patients with severe psoriasis and drug-induced hepatic injury were enrolled in this study,and randomly divided into 2 groups:bicyclol group (53 cases) treated with oral bicyclol tablets (25 mg thrice a day) for 8 weeks,diammonium glycyrrhizinate group (53 cases) treated with diammonium glycyrrhizinate capsules (150 mg thrice a day) for 8 weeks.Serum biochemical indices of hepatic function were measured before and after treatment,therapeutic efficacy was evaluated,and adverse reactions were observed and recorded after treatment.Intergroup and intragroup differences in these parameters were assessed.Results During the treatment,3 patients were lost to follow up.After treatment,serum biochemical indices of hepatic function markedly improved in both the bicyclol group (52 cases) and diammonium glycyrrhizinate group (51 cases) (both P < 0.01),and the bicyclol group showed a better treatment response than the diammonium glycyrrhizinate group (P < 0.01).The marked response rate was 71.15% and 47.06% (P < 0.05),and the response rate was 84.62% and 66.67% (P < 0.05),respectively,in the bicyclol group and diammonium glycyrrhizinate group.No adverse reactions related to tested drugs were observed in either of the two groups.Conclusion Bicyclol can attenuate antipsoriatic drug-induced hepatic injury with good safety.
7.Distribution of basic fibroblast growth factor and its receptor in minipig heart after myocardial infarction
Yunyun XU ; Jianming XIAO ; Ruiyun ZHANG ; Min ZHANG ; Baihui YANG
Journal of Third Military Medical University 2003;0(14):-
Objective To investigate the distribution and changes of basic fibroblast growth factor (bFGF) and fibroblast growth factor receptor-1 (FGFR-1) in normal heart or heart after myocardial infarction (MI),and to explore beneficial effects of bFGF on heart after MI. Methods Eleven adult minipigs were randomly divided into 2 groups,control (n=5) and MI group (n=6). MI was induced by ligating the left anterior descending coronary artery. Sham-operation was carried out on the animals of control. bFGF-like-immunoreactivity (bFGF-ir) and FGFR-1-like-immunoreactivity (FGFR-1-ir) in heart tissues were detected by immuno-histochemistry and image analysts in 4 weeks after surgery. Results In controls,bFGF-ir and FGFR-1-ir in the atrium showed a considerable high level compared with 2 ventricles (P
8.On antipsychotic effects of l-Scoulerine
Yunyun GAO ; Guiyun MI ; Shuai LIU ; Zheng YANG
Chinese Pharmacological Bulletin 2016;(1):103-108,109
Aim To study the antipsychotic effects of l-Scoulerine ( l-SLR) . Methods NMDAreceptorantag-onist MK-801 was used to induce the positive and neg-ative symptoms of schizophrenia and cognitive impair-ment in animal models. The effects of l-SLR were eval-uated on schizophrenia induced by MK-801 and on ex-trapyramidal system. Results l-SLR (10,15 mg · kg - 1 , ip) could suppress pre-pulse inhibition damage in rats induced by MK-801 (0. 3 mg·kg - 1 , ip); l-SLR(30 mg·kg - 1 , ip) could inhibit climbing behav-iors in mice induced by apomorphine, which suggested that l-SLR had significant inhibiting effects on the posi-tive symptoms of schizophrenia by MK-801 and apo-morphine. l-SLR could also induce social contact inhi-bition and cognitive impairment induced by MK-801 (0. 2 mg · kg - 1 , ip), which proposed that l-SLR could improve the negative symptoms and cognitive im-pairment by MK-801. Catalepsy in mice could be caused by the treatment dose of haloperidol (0. 8 mg· kg - 1 , ip), not by that of l-SLR(30 mg·kg - 1 , ip). Conclusion I-SLR has significant effects on the posi-tive and negative symptoms of schizophrenia and cogni-tive impairment and, the effect of l-SLR under effective dose on extrapyramidal system is obviously much less than that of haloperidol and l-SPD.
9.GC-MS Analysis on Fat-soluble Components in Yao Medicine Angiopteris fokiensis
Yunyun ZHANG ; Haichuan YANG ; Jia LI ; Pingchuan JIANG
China Pharmacy 2015;(18):2544-2545,2546
OBJECTIVE:To provide reference for chemical composition analysis in Angiopteris fokiensis. METHODS:The fat-soluble components in A. fokiensis were extracted and separated. The separated fat-soluble compounds were analyzed and identi-fied by GC-MS after methyl esterification. RESULTS & CONCLUSIONS:Totally 52 compounds were detected and 43 of those were identified. They were mainly organic acids and sterols compounds. The 43 components are first identified in A. fokiensis.
10.Analysis on bacterial drug resistance in Hechuan District People's Hospital during 2016
Mingshuang LI ; Linyun YANG ; Yunyun TANG ; Tiantian WANG
Chongqing Medicine 2017;46(18):2521-2524
Objective To analyze the clinically isolated bacterial distribution and drug resistance characteristics in the our hospital during 2016 to provide the pathogenic drug resistance monitoring data for rational bacterial drugs use in clinic.Methods The clinicaly submitted samples were performed the pathogenic bacterial isolation according to the routine method.The isolated pathogens were identified by the Vitek2-Compact system and the drug susceptibility test was performed by adopting the MIC and KB methods.The results were statistically analyzed by adopting the WHONET5.6 software.Results A total of 2 214 non-repeat strains of bacteria were isolated in 2016,including 1 614 strains of Gram-negative bacilli,accounting for 72.9%,600 strains of Gram-positive bacteria,accounting for 27.1 %.The top five isolated bacteria were Klebsiella pneumoniae,Escherichia coli,Pseudomonas aeruginosa,Acinetobacter baumannii and Staphylococcus aureus.The detection rates of ESBLs producing Escherichia coli and Klebsiella pneumoniae were 51.8% and 27.6% respectively.The detection rates of methicillin-resistant Staphylococcus aureus (MRSA) was 26.5%.No vancomycin or linezolid resistant staphylococcal strains were found.Conclusion The main isolated pathogens in our hospital are dominated by Gram-negative bacteria.Hospital should strengthen reasonable and standardized use of antibacterial drugs to reduce the generation of drug resistant bacterial strains.