1.Study on the Quality Standard of Xiaoer Shengxue Granules
Xinhua GUO ; Weining NIU ; Yuxia HU
Chinese Journal of Information on Traditional Chinese Medicine 2006;0(03):-
Objective To establish a quality standard for Xiaoer Shengxue granules. Method SHU-Dihuang, yam, Chinese data in Xiaoer Shengxue granules were identified by TLC. Ferrous sulfate in the granule was determined by UV with wavelength at 509 nm. Results SHU-Dihuang, yam, Chinese data could be detected by TLC. Ferrous sulfate showed a good linear relationship at the range of 0.50~2.50 mg/mL, r=0.999 9. The average recovery was 101.3% and RSD was 1.48% (n=5). Conclusion The method is available with a good reproducibility and can be used for the quality control of Xiaoer Shengxue granule.
2.Monitoring depth of anesthesia and effect analysis in primary visual cortex of rats based on complexity of local field potential.
Xiaoyuan LI ; Li SHI ; Hong WAN ; Yuxia HU
Journal of Biomedical Engineering 2014;31(2):245-250
In the present study carried out in our laboratory, we recorded local field potential (LFP) signals in primary visual cortex (V1 area) of rats during the anesthesia process in the electrophysiological experiments of invasive microelectrode array implant, and obtained time evolutions of complexity measure Lempel-ziv complexity (LZC) by nonlinear dynamic analysis method. Combined with judgment criterion of tail flick latency to thermal stimulus and heart rate, the visual stimulation experiments are carried out to verify the reliability of anesthetized states by complexity analysis. The experimental results demonstrated that the time varying complexity measures LZC of LFP signals of different channels were similar to each other in the anesthesia process. In the same anesthesia state, the difference of complexity measure LZC between neuronal responses before and after visual stimulation was not significant. However, the complexity LZC in different anesthesia depths had statistical significances. Furthermore, complexity threshold value represented the depth of anesthesia was determined using optimization method. The reliability and accuracy of monitoring the depth of anesthesia using complexity measure LZC of LFP were all high. It provided an effective method of realtime monitoring depth of anesthesia for craniotomy patients in clinical operation.
Anesthesia
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methods
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Animals
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Evoked Potentials, Visual
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Microelectrodes
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Monitoring, Physiologic
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Nonlinear Dynamics
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Photic Stimulation
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Rats
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Reproducibility of Results
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Visual Cortex
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drug effects
3.Impact of mother's cognitive behavior intervention on premature infant-mother interaction
Minhui ZHAO ; Yan HU ; Chao CHEN ; Yuxia ZHANG
Chinese Journal of Perinatal Medicine 2011;14(1):49-54
Objective To examine the impact of cognitive behavior intervention (CBI) on mother-infant interaction in the neonatal department. Methods Low-risk appropriate for gestational age premature infants with gestational age 28-36 weeks, who were admitted to the neonatal intensive care unit in our hospital between August 2007 and May 2008, and their mothers were assigned to intervention group and control group respectively. Intervention group mothers (n = 19)participated in CBI. Control group mothers (n= 19) were asked to read educational materials. Mothers in the intervention group, all received 4 times interventions and 2 h for each time. The CBI process include assessment, plan, implementation and evaluation. Mothers were educated for knowledge about appearance and behavioral characteristics of preterm infants and were guided about how to take care of their babies and participate in nursing care process. Mothers completed measures on mother-infant interaction (Nursing Child Assessment Feeding Scale, NCAFS) in the first follow-up after infant discharge. Results The results showed that the scores of NCAFS and total scores of the mothers in the intervention mother-infant dyads were 46.4 ± 8.5 and 35.8±6.3,higher than in the control group (42.7±5.9 and 33.3 ± 5.6), respectively, but there were no statistic difference between the two groups (t = 1.55 and 1.28, P> 0. 05). The scores of "mother's response to distress" were significantly higher in the intervention mother-infant group (12. 2± 1.7) than in the control group (10.7±2.4)(t=2.10,P<0.05). Conclusions The levels of premature infant-mother interactions are low. CBI can improve mother's response to premature infant's distress. Further study is needed to investigate the effects of CBI in improving mother-infant interaction.
4.Role of polycyclic aromatic hydrocarbons and aryl hydrocarbon receptor in the development of tumor
Yuxia HU ; Fuhou CHANG ; Tuya BAI ; Xiaoli LV ; Wanjia YU
Chinese Journal of Biochemical Pharmaceutics 2015;(6):185-188
Polycyclic aromatic hydrocarbons ( PAHs) are ubiquitous environmental pollutants, whose carcinogenicity is determinated.The mechanism of their carcinogenicity: PAHs are able to combine with aryl hydrocarbon hydrocarbon receptor ( AhR ) , resulting in some toxicity and carcinogenicity.AhR is a ligand-dependent activation transcription factor, which is activated by a large variety of ligands, regulating the expression of a series of gene involved in metabolism, and participating in important biological processes, such as singal transduction, cell proliferation,differentiation and apoptosis,and so on.Besides, it's closely related with the tumor development.Thus, it will provide a new approach for cancer prevention and treatment to study the role of PAHs and AhR in the development of tumor.
5.Meta-analysis of the Efficacy and Safety of Shenxian Shengmai Oral Liquid in the Treatment of Slow Arrhyth-mia
Zhengbo HU ; Haibo LU ; Longshe ZHU ; Yuxia HAN
China Pharmacy 2015;(21):2953-2955
OBJECTIVE:To systematically review the efficacy and safety of Shenxian shengmai oral liquid in the treatment of slow arrhythmia,and provide evidence-based reference for clinical treatment. METHODS:Cochrane library,EMbase,PubMed, CJFD,CBM and VIP database were retrieved to collect the randomized controlled trails(RCT)of Shenxian shengmai oral liquid(tri-al group)vs.other Chinese medicines(control group)in the treatment of slow arrhythmia. After quality evaluation,the Meta-analysis was performed using Rev Man 5.14 software. RESULTS:A total of 13 RCTs were included,involving 1 023 patients. The results of Meta-analysis showed that the effective rate [RR=1.26,95%CI(1.18,1.35),P<0.001] and average heart rate [MD=5.80,95%CI (4.01,7.58),P<0.001] in test group were significantly higher than control group;there were no significant difference in the inci-dence of adverse reactions between test group and control group[OR=0.46,95%CI(0.17,1.22),P=0.12]. CONCLUSIONS:Shenx-ian shengmai oral liquid is effective with good safety in the treatment of slow arrhythmia. However,due to low quality of included studies,it remains to be further verified by high-quality and large-sample long-term RCT.
6.Homology of Carbapenem-resistant Klebsiella pneumoniae
Qingfeng HU ; Huoyang L ; Yuxia ZHANG ; Peiqiong SHEN ; Yongze ZHU
Chinese Journal of Nosocomiology 2006;0(12):-
OBJECTIVE To analyze the homology of carbapenem-resistant Klebsiella pneumoniae(KPN),offering help for clinical therapy and nosocomial infection control.METHODS The antimicrobial-resistant phenotype of forty carbapenem-resistant K.pneumoniae strains was analyzed by the WHONET 5.4 soft and the resistant genotypes were determined by plasmid profile analysis and pulse-field gel electrophoresis(PFGE).RESULTS Analyzing antimicrobial-resistant phenotype to usual eighteen clinical drugs,the main drug resistant profiles were pan-resistant and only sensitive to tobramycin among the eight antimicrobial-resistant profiles(72.5%).Additionally,the main strains were type Ⅰ and type Ⅱ among the five strains analyzed by plasmid profile(82.5%).When analyzed by PFGE,five types were identified and among these strains type Ⅰ was predominant in 34 strains(85.0%).CONCLUSIONS The strains used in this study exhibit higher homology.Therefore,clinical departments and nosocomial infection departments should pay more attention to these strains to avoid outbreak.
7.Personalized rehabilitation of children with cerebral palsy using three-dimensional gait analysis
Ling HU ; Yuxia CHEN ; Zhijiao WANG ; Kai LE ; Manli SUN ; Nong XIAO
Chinese Journal of Physical Medicine and Rehabilitation 2012;34(4):268-271
Objective To study the effectiveness of personalized rehabilitation treatments based on threedimensional gait analysis (3DGA) for improving the walking function of children with cerebral palsy (CP).MethodsA total of 21 spastic CP children with diplegia or hemiplegia,IQ scores >60,and an average age of 8.5 years received 3DGA.They then received personalized rehabilitation treatment designed according to the 3DGA results.After four weeks of treatment the children accepted 3DGA again.Their gait descriptors before and after treatment were compared. ResultsAfter the personalized rehabilitation the subjects'clinical foot dorsiflexion angle,clinical popliteal fossa angle,walking velocity,stride length,step length,peak ankle dorsiflexion in prime stance,peaking ankle plantar flexion in last stance,peak back ground reaction forces (GRFs) and peak vertical GRF in stance all had improved significantly.The cadence,total support time,swing phase,initial double support time,peak knee extension in stance and the peak forward GRF were not,however,significantly different compared with before the personalized rehabilitation treatment.Conclusion Under the guidance of 3DGA,the walking function of spastic CP children improved significantly after 4 weeks of personalized rehabilitation treatment.3DGA can play an important role in formulating personalized rehabilitation protocols and guiding rehabilitation treatment for CP children.
8.Clinical Retrospective Dermatology Study on 169 Cases of Chronic Actinic Dermatitis
Dongyun LEI ; Yuxia HU ; Yuxiao LI ; Lilei SU ; Xiang NONG ; Li HE
Journal of Kunming Medical University 2016;37(8):68-71
Objective To investigate clinical features of chronic actinic dermatitis (CAD) in Kunming of Yunnan Province.Methods From October 2008 to October 2013,CAD in-patients in our hospital were selected and their general conditions,outcomes of photo-sensitive test and photo-patch test were analyzed in details.Results (1) Among 169 CAD patients,gender ratio (male:female) was 8.9:1.The lesions were mainly distributed on the exposed areas.(2) Photo-sensitive tests of 93 patients showed that the average value of UVA-MPPDwas 7.39 JPcm2 and that of UVB-MED was 20.91 mJPcm2.(3) The results of photo-patch test in 83 patients showed that 48 patients (67.8%) had positive reactions in patch test,and the most common contactant was balsam peru.Fifty-eight patients (69.9%) had positive reactions in photo-patch test indicating that the most common contactant in photo-patch test was balsam peru.Conclusions CAD appears mostly in the middle aged and the aged males and the lesions are mainly distributed on exposed areas.The most common contactants in photo-patch test are balsam peru and perfumed compounds.
9.To investigate the relationship between P15INK4B gene promoter methylation degree and different types of MDS and prognosis
Guoyu HU ; Kui TAN ; Chaohui YUAN ; Chanjuan SHEN ; Jing LUO ; Yuxia LIU
Journal of Chinese Physician 2015;17(9):1339-1342
Objective To determine the methylation level of P15INK4B gene promoter in different types of myelodysplastic syndromes (MDS) and its correlation with its prognosis.Methods Methylation frequency of the P15INK4B gene promoter in 44 cases of MDS were determined by methylation-specific polymerase chain reaction (PCR) and pyrosequencing,and its correlation with clinical classification and characteristics of MDS were statistically analyzed.Results Frequency of P15INK4B gene promoter methylation in myelodysplastic syndromes-refractory anemia with excess blasts Ⅱ (MDS-RAEB Ⅱ) patients was (46.89 ± 15.41) %,significandy higher than that in other types of MDS (P < 0.05),but no difference in promoter methylation frequency was detected among the other types of MDS (P > 0.05) ; frequency of P15INK4B gene promoter methylation was found to be correlated with decline in platelet upon diagnosis (t =9.02,P < 0.01),but showed no significant correlation with drop of hemoglobin or leukopenia (P >0.05).As for the correlation between P15INK4B gene promoter methylation and MDS risk stratification,no significant difference was detected between the low-risk and very low-risk groups (P > 0.05),but significant differences were detected among the medium-risk,high-risk,and very high-risk groups (P < 0.05).In addition,frequency of P15INK4B gene promoter methylation was (49.21 ± 8.78)% in MDS patients that developed leukemia in the following two year,significantly higher than that in MDS patients who didn't (19.64 ± 6.24) % (P < 0.05).Conclusions P15INK4B gene promoter methylation frequency is a valuable indicator of prognosis of MDS patients.
10.Antioxidative effect of Tripterygium wilfordii polyglycosides on diabetic rats
Yuxia ZHANG ; Guoling LIU ; Jiaqin WANG ; Yichuan LI ; Lingwei HU ; Kun LU
Chinese Journal of Pharmacology and Toxicology 2014;(3):358-361
OBJECTIVE ToinvestigatethepossibleprotectiveeffectofTripterygiumwilfordiipolyg-lycoside (TWP ) on experi mental diabetic nephropathy (D N ) rats and its possible mechanis m. METHODS Thediabeticmodelwasinducedbyasingleintraperitonealinjectionofstreptozotocin (STZ)65 mg·kg -1 .Three weeks after modeling,TWP 4.5,9.0 and 1 8.0 mg·kg -1 was ig given to rats,once daily,for 8 consecutive weeks.During the experiment,the changes of body mass,hair, mental health of rats were observed.Two days before the end of the experi ment,the rats were placed into metabolic cages to collect 24 h urine in order to detect 24 h urinary albu min excretion rate (UAER). The rats were given TWP for 8 weeks and anesthetized with 1 0%chloral hydrate.The blood was collect-ed fro m the heart and centrifuged,seru m creatinine and urine creatinine were measured,and creatinine clearance (Clcr)was calculated.Blood urea nitrogen (BUN)and the serum catalase (CAT)activity were tested by optical method while the level of seru m superoxide oxygen anion(O2÷)was tested by col-orimetry.The level of malondialdehyde(MDA)was determined by thiobarbituric acid condensation,and glutathione peroxidase (GSH-Px)activity was tested by colorimetry.The right kidney was HE stained to observepathologicalchanges.RESULTS Comparedwithnormalcontrolgroup,theratsinmodel control group developed polydipsia,polyuria,polyphagia,body mass loss,unresponsiveness,brown hair,pale tail and apathy clammy.Besides,blood glucose,BUN and 24 h UAER were significantly higher (P<0.01 ),but Clcr was lower (P<0.01 ).The activity of serum CAT and GSH-Px in renal tissue was significantly lower(P<0.01 ),while the level of serum O2÷ and MDA in the renal tissue was significantly higher(P<0.01 ).Compared with model control group,TWP 9.0 and 18.0 mg·kg -1 could improve the general condition of rats.BUN and 24 h UAER were obviously reduced(P<0.01 ),Clcr and serum CAT were increased obviously(P<0.01 ),the level of MDA and O2÷ were reduced obviously(P<0.01 ),and GSH-Px level was increased(P<0.01 ).TWP 9.0 and 18.0 mg·kg -1 could significantly im-prove the renal histopathological changes of rats.TWP 4.5 mg·kg -1 had no significant effect on the aboveindicators.CONCLUSION TWPhasprotectiveeffectontherenalfunctionofexperimentalDN rats.The mechanis m may be related to inhibition of the oxidative stress and enhance ment of the body antioxidant capacity.