1.Intratumor Injection of Gene-Immunotherapy Combined with Hyperthermia Treatment for Lung Carcinoma
Yuan ZHANG ; Jiaping ZHENG ; Yihong CHEN
Journal of Practical Radiology 2001;0(07):-
Objective To evaluate the feasibility and efficacy of percutaneous intratumor injection of gene-immunotherapy combined with capacitive radio-frequency hyperthermia treatment for advanced lung carcinoma under CT guided.Methods Thirty-one unresectable peripheric lung carcinomas(29 men and 2 women,10 squamous carcinomas,15 denocarcinoma and 6 alveolus carcinomas) in clinical Ⅲ~Ⅳ stage were undergone percutaneous intrastumor injection of H101 and ⅠL~Ⅱ under CT guided,and repeated at 8,29,35,57 and 64 d respectively as one course.During interventional therapy,radio-frequency hyperthermia carried out twice one week,totally 12 times per-patient.After one course 4 weeks later,the blood TSGF levels and CT changes of the tumors were observed.Results The short period effect included:CR in 0 case,PR in 22 cases,NC in 6 cases and PD in 3 cases,the total short-term efficacy rate was 71 percent(22/31).Significant statistical difference was found in the positive rate and quantitative level of the blood TSGF after on cycle(P
2.Effect of dexmedetomidine on brain injury in patients undergoing cardiac surgery with cardiopulmonary bypass
Sheliang SHEN ; Jiang QIAN ; Yihong XIE ; Yongjian CHEN ; Jiayin ZHENG
Chinese Journal of Anesthesiology 2015;35(11):1321-1324
Objective To evaluate the effect of dexmedetomidine on brain injury in the patients undergoing cardiac surgery with cardiopulmonary bypass (CPB).Methods Eighty patients of both sexes, aged 18-64 yr, with body surface area of 1.6-2.0 m2, with left ventricular ejection fraction>30%, of American Society of Anesthesiologists physical status Ⅱ or Ⅲ (New York Heart Association Ⅱ or Ⅲ), scheduled for elective cardiac surgery with CPB, were equally and randomly divided into control group (group C) and dexmedetomidine group (group D) using a random number table.Before induction of anesthesia, dexmedetomidine was given as a bolus of 1 μg/kg over 10 min followed by an infusion of 0.5 μg · kg-1 · h-1 throughout the surgery in group D, and the equal volume of normal saline was given in group C.After induction and before skin incision (T0) , at 30 min after beginning of CBP (T1) , at 30 min after the end of CBP (T2) , at the end of surgery (T3) , and at 24 and 72 h after surgery (T4.5) , blood samples from jugular bulb were drawn for determination of serum concentrations of tumor necrosis factor-alpha (TNF-α), interleukin-6 (IL-6), IL-10, S-100β protein and neuron-specific enolase (NSE).Results Compared with group C, the serum concentrations of TNF-α and S100β at T1-3 and IL-6 and NSE at T1.4 were significantly decreased, and the serum concentrations of IL-10 at T1-4 were increased in group D (P<0.05).Conclusion Dexmedetomidine given as a bolus of 1 μg/kg over 10 min followed by an infusion of 0.5 μg · kg-1 · h-1 throughout the surgery can reduce the brain injury in the patients undergoing cardiac surgery with CPB, and the mechanism is related to inhibited inflammatory responses.
3.Determination of metabolite of nicergoline in human plasma by high-performance liquid chromatography and its application in pharmacokinetic studies
Rong ZHENG ; Yihong WU ; Dexi JIANG ; Dan ZHANG
Journal of Pharmaceutical Analysis 2012;02(1):62-66
A fast,simple and sensitive high performance liquid chromatographic (HPLC) method has been developed for determination of 10α-methoxy-6-methyl ergoline-8β-methanol (MDL,a main metabolite of nicergoline) in human plasma.One-step liquid-liquid extraction (LLE) with diethyl ether was employed as the sample preparation method.Tizanidine hydrochloride was selected as the internal standard (IS).Analysis was carried out on a Diamonsil ODS column (150 mm × 4.6 mm,5 μm) using acetonitrile-ammonium acetate (0.1 mol/L) (15/85,v/v) as mobile phase at detection wavelength of 224 nm.The calibration curves were linear over the range of 2.288-73.2 ng/mL with a lower limit of quantitation (LLOQ) of 2.288 ng/mL.The intra- and inter-day precision values were below 13% and the recoveries were from 74.47% to 83.20% at three qtality control levels.The method herein described was successfully applied in a randomized crossover bioequivalence study of two different nicergoline preparations after administration of 30 mg in 20 healthy volunteers.
4.Vicissitudes of Clinically Isolated Pathogenic Bacteria and Their Drug Resistance Pattern
Xiaolan ZHENG ; Qiong WAN ; Yihong XIE ; Xiaofang WAN ; Chunhua LIU
Chinese Journal of Nosocomiology 1994;0(01):-
OBJECTIVE To comprehend the changes in the spectrum of clinically isolated pathogenic bacteria and their drug resistance,and to analyze their tendency.METHODS Totally 5746 pathogenic bacteria isolated from clinical samples of the inpatients in our hospital during 1997-2004 and their drug resistance was statistically(analyzed).RESULTS Most of clinically isolated pathogenic bacteria were Gram-negative.The detected rate of Gram-positive bacteria tended to rise,while the detected rate of fungi obviously increased year after year.Gram-positive cocci and Gram-negative bacilli were resistant to commonly used antibacterials in different degrees,(especially) to ampicillin.The sensitive rate of Gram-positive bacteria was high to vancomycin,while the sensitive rates of Escherichia coli and Klebsiella pneumoniae to imipenem were high.CONCLUSIONS The structure of(nosocomial) infection(pathogens) and their drug resistance patterns are changing continuously.It should be(emphasized) to inspect(bacterial) tolerance in order to select antibacterial reasonably.
5.Consecutive 6-year targeted monitoring on healthcare-associated infection in intensive care units in 176 hospitals
Hong ZHOU ; Yihong JIANG ; Yang LI ; Wei ZHENG ; Li SHEN
Chinese Journal of Infection Control 2017;16(9):810-815
Objective To understand the occurrence of healthcare-associated infection(HAI) in intensive care units (ICUs) in secondary and above hospitals in a province, and provide basis for HAI management.Methods HAI management quality control center in a province performed targeted monitoring on HAI in ICUs in secondary and above hospitals in a province from July 1, 2010 to June 30, 2015.Results ICUs in 176 hospitals were monitored, the incidence of HAI in ICUs for 6 consecutive years was 7.23%, case incidence of HAI was 9.72%;incidence of HAI showed a decreased trend in 6 years(P<0.001).The adjusted rate of HAI per 1 000 patient days in the general hospital ICUs was higher than that of special hospital ICUs (4.30‰ vs 3.53‰).Incidence of HAI in surgical ICUs and general ICUs were both relatively higher, adjusted rates of HAI per 1 000 patient days were 4.79‰ and 4.21‰ respectively.Respiratory tract, urinary tract, and bloodstream infection were major HAI in ICUs, accounting for 68.64%, 14.45%, and 10.09% respectively, the utilization rates of central venous catheter, ventilator, and urinary catheter were 49.86%, 39.16%, and 81.95% respectively, incidence of three catheter-associated infection were 1.74‰, 13.77‰, and 2.08‰ respectively, incidence of three catheter-associated infection decreased year by year (P<0.001).The utilization rates of ventilator, central venous catheter, and urinary catheter in different ICUs were not correlated with the incidence of infection(all P>0.05).A total of 36 223 strains of pathogens were isolated, the top 6 isolated pathogens were Acinetobacter baumannii(22.77%), Klebsiella pneumoniae (11.96%), Pseudomonas aeruginosa(11.94%), Staphylococcus aureus (8.08%), Candida albicans (5.63%), and Escherichia coli(5.55%).The isolation rates of carbapenem-resistant Klebsiella pneumoniae showed a increased tendency for 6 years(P<0.05).Conclusion Continuous targeted monitoring on HAI in ICUs, regular analysis on risk factors for HAI, and timely implementation of intervention measures can effectively decrease the incidence of HAI.
6.Compas technique in cerebral angiography
Lisha LIU ; Yushuang CHEN ; Yihong ZHENG ; Shaowu ZHUANG ; Xiaoyuan SHEN
Chinese Journal of Radiology 2001;0(07):-
Objective To evaluate the value of Compas technique( computed optimun method for profile angle of singht,Compas) in displaying intracranial aneurysms. Methods DSA images of 31 cases of subarachnoid hemorrhage diagnosed by CT were studied. The DSA images in routine A-P and Lateral projections were compared with the images obtained by Compas technique in the same equipment. Results 23 of 31 were diagnosed as intracranial aneurysms by Compas and confirmed by operation, while only 5 were diagnosed definitely with routine A-P & Lateral projections. The other 18 studies were discovered as blurred margin of the artery but indefinite for the diagnosis of aneurysms. There is a statistical difference between the two methods. ?~2=14.93,P
7.The comparison study of microscopic evacuation of intracranial hematoma and small bone flap approach microsurgical operation in treatment of hypertensive cerebral hemorrhage
Lingjiang JIN ; Yihong ZHENG ; Da LIN ; Wengen HE ; Zheng LIN ; Xianjun BAO
Chinese Journal of Postgraduates of Medicine 2011;34(17):15-17
Objective To compare and observe the clinical effects of microscopic evacuation of intraeranial hematoma and small bone flap approach mierosurgical operation in treatment of hypertensive cerebral hemorrhage.Methods From June 2008 to June 2010,116 cases of patients with hypertensive cerebral hemorrhage were classified into two groups with 58 cases in each by random digits table.Group A was treated with microscopic evacuation of intracranial hematoma and group B was treated with small bone flap approach microsurgical operation.The clinical efficacy and neurological impairment Scores were observed and compared between the two groups.Results The total effective rate in group A[87.9%(51/58)]was significantly higher than that in group B[72.4%(42,58)](P<0.05).After treatment 14 d and 28 d,the neurological impairment scores in group A were (22.1±6.2).(12.6±3.3)scores and in group B were (23.5±6.7),(18.6±5.1)scores.Compared with pre-treatment[group A:(41.9±8.1)scores;group B (41.7±7.9)scores],after treatment l4 d and 28 d,the neurological impairment scores in two groups were significantly decreased(P<0.05).Moreover,After treatment28 d,the neurological impairment scores in group A were significantly lower than those in group B(P<0.05).Conclusion Both microscopic evacuation of intracranial hematoma and small bone flap approach microsurgical operation are effective methods in hypertensive cerebral hemorrhage,but microscopic evacuation of intracranial hematoma can enhance the effect and improve the neurological function.
8.Combination of internal and external use of Chinese material medica with syndrome differentiation in treating 200 cases of acne vulgaris
Yuejun SHI ; Bo LI ; Yihong ZHENG ; Shunpeng SONG ; Cheng ZHAN ; Yinghua ZHU ; Qiao LI
China Journal of Traditional Chinese Medicine and Pharmacy 2005;0(06):-
Objective:To observe the effect of internal and external use of Chinese material medica with syndrome differentiation on acne vulgaris.Methods:200 patients with acne vulgaris were randomly divided into treatment group(110 cases)and control group(90 cases).Treatment group were given acne facial mask,oral medicine decoction,and the control group were treated with13-cis-Retinoic Acid Capsules,topical Clindamycin Gel,7 weeks for a course of treatment,the clinical effect were compared.Results:The effect on facial lesion in treatment group and control group had significant difference(P
9.Clinical study on 160 cases of herpes zoster treated by traditional Chinese medcine
Lidong ZHOU ; Bo LI ; Yihong ZHENG ; Yuejun SHI ; Shunpeng SONG ; Cheng ZHAN
International Journal of Traditional Chinese Medicine 2010;32(1):64-65
Objective To study the effects of treating herpes zoster with the combination of Chinese and western medicine.Methods 160 cases of herpes zoster were randomly recruited into a treatment group(n=80),and a control group (n=80).The control group was treated with westem medicine(acyclovir,ethacridine solvents,and vitamin B6 and B12).The treatment group was administrated with Chinese medicines,acupuncture and cupping on the basis of treats in the control group Results The total effective rate was 100%in the treatment group and 72.5%in the control group.There was significant difference between the two groups(χ~2=23.85,P<0.05).Conclusion The combination of Chinese and western medicine is effective in treating herpes zoster and worthy of generalization.
10.Morphology and Immunohistochemistry of Sarcomatoid Carcinoma of the Fallopian Tube
Guizhu WU ; Xiu ZHENG ; Linying CHEN ; Yihong CHENG ; Yilu ZOU ; Zhongqing JIANG
Acta Medicinae Universitatis Scientiae et Technologiae Huazhong 2009;38(6):779-783
Objective To investigate the pathologic morphology and immunohistochemical phenotypes of sarcomatoid carcinoma(SC) of the fallopian tube.Methods One case of SC of the fallopian tube was studied under the light microscopy for morphology.Immunohistochemistry was used to detect the expression of CK,EMA,S-100,Desmin,SMA,Leu-7,CD68,actin,and Vimentin in SC tissues.Pathologic features and biological behaviors of SC were analyzed in combination with the review of literature.Results Microscopically carcinomatous and sarcomatous elements co-existed.Usually the sarcomatous element formed the bulk of the lesion.In the sarcomatous tissues,there was no distinguishable bone,cartilage,rhadomyosarcoma,etc. Immunohistochemically the strong expression of CK7,EMA and Vimentin,and the partial expression of S-100,SMA,Leu7,CD68 and actin were detected.Conclusion SC of the fallopian tube is lack of specific symptoms,and its preoperative diagnosis is difficult.B-ultrasonography,CT and MRI are helpful to the staging of SC.Final diagnosis of SC depends on pathological examination and immunohistochemistry.SC is rare,and undergoes blood metastasis in early stage.Prognosis of SC is worst.Early detection of SC is the key to improve the prognosis.