1.Research of reoxygenation injury in cardiopulmonary bypass of cyanotic congenital heart disease
Chinese Journal of Thoracic and Cardiovascular Surgery 2013;29(9):532-536
Objective To investigate the effect and safety of different PaO2 to the reoxygenation injury of cyanotic congenital heart disease through controlling the FiO2 when initiating cardiopulmonary bypass (CPB).Methods Thirty patients with cyanotic congenital heart disease were divided into 3 equal groups according the PaO2 when initiating cardiopulmonary bypass:group 1 (G1,PaO2 < 120 mm Hg) ; group 2 (G2,PaO2 120-180 mm Hg),group 3 (G3,PaO2 180-250 mm Hg),and ten patients with acyanotic congenital heart disease were group 4 (G4,PaO2 > 200 mm Hg).Serum CK-MB,cTnI,IL-6,TNF-α,SOD,8-ISO and S100β were measured before CPB、5 minute after CPB,10 minute after CPB,5 minute after cross clamp releasing,2 hours and 24 hours post operation with intemal jugular vein blood samples.Clinical results were also recorded.Results CK-MB,cTnI,IL-6,TNF-α,8-ISO and S100β3 were all normal without significant differences between them before CPB.After initiation of CPB,their levels in all groups increased,reached the peak before or after the stop of CPB,then gradually declined.At each time point,the levels of these indexes were G3 > G2 > G1 > G4 with significant difference between them (P < 0.05) ; The serum SOD levels of G4 were higher than the other three groups with significant difference(P < 0.05).They all declined after initiation of CPB,reached lowest after cross clamp releasing,then gradually increased.At 5 minute after CPB,10 minute after CPB,5 minute after cross clamp releasing,2 hours post operation,there were significant differences between four groups (P < 0.05),and at 24 hours post operation,the SOD levels of G4 were higher than the other three groups with significant difference (P < 0.05).There were no significant difference between G1,G2 and G3 in SvO2,Lac,positive vasoactive drugs、ventilation time and ICU time.All patients were alive.Conclusion Low reoxygenation concentration can reduce the reoxygenation injury of cyanotic congenital heart disease,though there may be some potential influence to cerebral oxygen metabolism.Further studies about oxygen supplymethodsare necessary in deep hypothermia and long-time CPB.
2.Analysis of the Utilization of Oral Hypoglycemic Agents in 34 Hospitals from Wuhan Area during 2011-2013
China Pharmacy 2015;(26):3635-3639
OBJECTIVE:To analyze the utilization and variation tendency of oral hypoglycemic agents in Wuhan area,and to provide reference for drug selection and enterprise production and sale. METHODS:The utilization of oral hypoglycemic agents in 34 hospitals from Wuhan area during 2011-2013 was analyzed statistically in respects of consumption sum,DDDs and DDC etc. RESULTS:The consumption sum and DDDs of oral hypoglycemic agents increased by 20% and 7% respectively year by year. Acarbose had a market share of over 40%. The drug use frequency of metformin ranked the second place only to acarbose. DPP-4 inhibitor had a promising future,with a consumption sum proportion of more than 10%,while the market share of traditional Chi-nese medicine had fallen below 3%. Except for repaglinide,gliclazide,glimepiride,Xiaoke pills,etc.,the selling of other medica-tions are consistent with the user. CONCLUSIONS:The utilization of oral hypoglycemic drugs is basically rational in 34 hospitals from Wuhan area during 2011-2013.
3.Measurement of Perihematomal Cerebral Blood Flow in Intracerebral Hemorrhage
International Journal of Cerebrovascular Diseases 2006;0(11):-
Neuroimaging technology is the major means in the study of cerebral blood flow. This article reviews all kinds of neuroimaging technologies in identification of perihematomal penumbra in intracerebral hemorrhage,as well as the research status of perihematomal cerebral blood flow in intracerebral hemorrhage.
4.Advances of Research on Ataxia Telangiectasia Mutated Gene and Risk Factors of Cardiovascular Disease.
Xiang DING ; Yi DING ; Jirong YUE ; Hengyi XIAO ; Birong DONG
Journal of Biomedical Engineering 2015;32(2):475-479
Cardiovascular disease is a severe threat to human health and life. Among many risk factors of cardiovascular disease, genetic or gene-based ones are drawing more and more attention in recent years. Accumulated evidence has demonstrated that the loss or mutation of ataxia telangiectasia mutated (ATM) gene can result in DNA damage repair dysfunctions, telomere shortening, decreased antioxidant capacity, insulin resistance, increased lipid levels, etc., and thus can promote the occurrence of cardiovascular risk factors, such as aging, atherosclerosis and metabolic syndrome. In this review, we discusses the possible mechanisms between ATM gene and cardiovascular risk factors, which could be helpful to the related research and clinical application.
Aging
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Ataxia Telangiectasia Mutated Proteins
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genetics
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Cardiovascular Diseases
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genetics
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DNA Damage
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DNA Repair
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Humans
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Mutation
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Risk Factors
7.Posterior lumbar interbody fusion in treatment of upper lumbar disc herniation
Wenyuan DING ; Xiaoming GUAN ; Yuchang DONG
Orthopedic Journal of China 2006;0(19):-
[Objective]To evaluate the effectiveness of posterior lumbar interbody fusion(PLIF) in the treatment of upper lumbar disc herniation.[Method]Twenty six patients of upper lumbar disc herniation underwent posterior lumbar interbody fusion,lumbago VAS and the pain in waist and lower extremities grades were tested before operation,all patients had an average follow-up period of 20.8 months,then lumbago VAS and the pain in waist and lower extremities grades were tested at last follow-up,lumbago VAS and the pain in waist and lower extremities grades were compared through paired t-test.[Result]All 26 patients had a followed-up.Postoperative VAS had significant lower than preoperative,statistical analysis has remarkable significance(P
8.MRI Diagnosis of Intraventricular Meningioma
Peng HU ; Dong CHEN ; Haoyuan DING
Chinese Journal of Medical Imaging 2013;(10):741-744
Purpose To investigate the MRI characteristics and differential diagnosis of intraventricular meningioma. Materials and Methods The clinical manifestation and MRI characteristics was retrospectively analyzed in the 11 patients with confirmed intraventricular meningioma by pathology. Results The intraventricular fibrocellular meningioma (7 cases) showed iso- and slightly short T1 signal and short and heterogeneously iso-T2 signal. The syncytial (1 case) and mixed (1 case) miningioma in the fourth ventricle, the syncytial meningioma in the third ventricle, and endothelial meningioma in the septum pellucidum (1 case) all showed slightly long T1 and slightly long T2 signal. Pathology results showed that 7 cases of fibrocellular meningioma in lateral ventricle, 1 case of syncytial meningioma and mixed type in the fourth ventricle, 1 case of syncytial meningioma in the third ventricle, 1 case of endothelial meningioma in septum pellucidum Conclusion The fibrocellular type was commonly encountered for the lateral ventricle meningioma, and hypointensity on T2WI could be regarded as its typical MRI characteristics, and it is diffcult for the differential diagnosis for the other intraventrical meningiomas.
9.Isolation and culture methods of bone marrow stromal stem cells from the skull
Dong DING ; Jun LIANG ; Jifei ZHANG
Chinese Journal of Tissue Engineering Research 2014;(32):5103-5107
BACKGROUND:PA6 cells are bone marrow stromal stem cells from the mouse skul , and scientists have found that PA6 cells co-cultured with some kinds of stem cells have shown neural differentiation, based on which, PA6 cells can be used for repair of nerve injury. Therefore, researchers give more and more attentions to PA6, but few studies have addressed isolation and culture methods of bone marrow stromal stem cells from the skul . OBJECTIVE:To isolate and culture bone marrow stromal stem cells from the skul of Sprague-Dawley rats and to observe cellular morpholopy in vitro and perform immunofluorescence identification. METHODS:Under sterile conditions, newborn Sprague-Dawley rat’s skul was cut into pieces. Smal skul pieces were washed using Dulbecco’s modified Eagle’s medium containing 10%fetal bovine serum. Single cellsuspension was made, and placed in culture flask. The culture medium was changed many times for cellpurification. The second passage of cells was obtained for morphology observation under an inverted microscope. cellsurface markers were detected by using immunofluorescence staining. RESULTS AND CONCLUSION:After the primary culture for 24 hours, cells exhibited adherent growth;after 3 days, cells were increased in number, and presented with irregular shapes, such as polygon, triangle, spindle and flat shape. After passage, cells were uniform in morphology, arranged in radial and bunch patterns, and exhibited strong adherent ability. Some cells grew in cluster, and proliferated faster than primary cells. Immunofluorescence staining showed that cells were positive for CD105, CD73, CD44, CD90, but negative for CD45, D34,CD14, HLA-DR. Results indicate that this method can obtain bone marrow stromal stem cells.
10.Meta-analysis of the efficacy of Bifidobacterium preparation in Helicobacter pylori eradication therapy
Jiayue DONG ; Liming WANG ; Jin DING
Chinese Journal of Biochemical Pharmaceutics 2016;36(4):207-212
Objective To systematic review the efficacy of Bifidobacterium preparation in Helicobacter pylori ( HP ) eradication therapy. Methods We systematically reviewed clinical research about the efficacy of probiotics in Helicobacter pylori eradication in multiple data-base( PubMed, EMBASE, Medline, OVID, Web of Science); After screening and assessing the quality of the data, we used RevMan 5.3.5 software and Stata 12.0 software for data analysis, then we used GRADE pro3.6.1 software assessing the quality of results.Results Six studies were included with 1396 patients,there were 690 patients in experimental group and 706 patients in control group.Compared with control group, the eradication rates calculated by per-protocol analysis [RR=1.19,95%CI(1.12,1.26),Z=5.87 (P<0.00001)]and intention-to-treat analysis[RR=1.18,95%CI(1.07,1.31),Z=3.33(P=0.0009)]in experimental group was higher,the number of diarrhea[RR=0.43,95%CI(0.23,0.79),Z=2.73(P=0.006)]/the number of nausea[RR=0.67,95%CI(0.56,0.81),Z=4.19 (P<0.0001)]/the number of taste disorders[RR=0.61,95%CI(0.32,1.13),Z=1.57(P=0.12)]in experimental group was lower.The quality of results:the eradication rates calculated by per-protocol analysis was high quality, intention-to-treat analysis and the number of nausea and the number of diarrhea was moderate quality,the number of taste disorders was low quality.Egger’s test showed there was no evidence of substantial publication bias.Conclusion Bifidobacterium preparations during standard triple HP therapy may improve the eradication rate and reduce adverse reactions.