1.Analysis of bifid mandibular canal via cone beam computed tomography.
Yi GUO ; Qiaohong ZHANG ; Xiaoqian HAN
West China Journal of Stomatology 2015;33(2):158-160
OBJECTIVEThe purpose of this study is to analyze the incidence and the type of the bifid mandibular canal (BMC) by using cone beam computed tomography (CBCT) images.
METHODSA total of 216 patients (104 female and 112 male) who underwent CBCT were included in this study. The CBCT images were evaluated for the incidence and the type of the BMC.
RESULTSBMC was observed in 39 (18.06%) of 216 patients and 50 (11.57%) of 432 sides, female 18 (17.31 %) and male 21 (18.75%). BMC were classified into four types: type I 17 sides (3.94%), type II 11 sides (2.55%), type III 20 sides (4.63%), and type IV 2 sides (0.46%).
CONCLUSIONBMC is detected at a high rate by using CBCT. When doctors perform surgical procedures in the mandible, they should pay attention to the anatomical variations of BMC of the mandibular canals.
Cone-Beam Computed Tomography ; Female ; Humans ; Incidence ; Male ; Mandible ; pathology
2.The new resuscitation strategy for hemorrhagic shock
Jianying GUO ; Xiaoqian YU ; Hongyuan LIN
Medical Journal of Chinese People's Liberation Army 2001;0(07):-
For uncontrolled hemorrhagic shock the traditional method and target of resuscitation may be harmful. The existing data supported a strategy of less aggressive interventions to those shock with uncontrolled hemorrhage until a decisive surgery begin. The choice of liquor for resuscitation remains in controversy. A combined application of crystalloid and colloid liquor seems to be reasonable and may be accepted by most physicians. It should be noted that the new resuscitation strategy may not be suitable to some kinds of trauma, such as traumatic brain injury, and its long-term effects on to the prognosis should be further evaluated.
3.Application of disease screening with magnetically controlled capsule endoscopy
Yulan GAO ; Xiaoqian WU ; Leilei GUO ; Qian NIE
China Journal of Endoscopy 2017;23(7):60-65
Objective To study the clinical value of magnetically controlled capsule endoscopy in diseases screening. Method We retrospectively analyzed 61 cases which were evaluated by magnetically controlled capsule endoscopy from March 2015 to December 2016. The items include operating time, the divergence rate score and cleanliness score of stomach. The consistency was compared between magnetically controlled capsule endoscopy and gastric duodenal endoscopy. Results 61 upper gastrointestinal tract studies were included. The mean age was (49.4 ± 11.6) years. No capsule retention, perforation or bleeding occurred. There was 98.4% patients, which cleanliness of stomach was good. There was 68.9% patients, which filling degree of stomach was good. The concordance rate of the two tests of gastrduodenoscopy and magnetically controlled capsule endoscopy was 89.9% (80/89). The concordance rate of the two tests was 78.9% (15/19) in esophageal and cardia, 92.9% (52/56) in stomach, 92.9% (13/14) in duodenum. Conclusion Our experience shows that magnetically controlled capsule endoscopy is a safe and useful tool for the diagnosis of upper gastrointestinal tract disease. The detection rate is similar to gastrduodenoscopy.
4.Phenylpropanoid constituents from the roots of Euphorbia hylonoma Hand-Mazz
Zengjun GUO ; Jianfeng ZUO ; Xiaoqian BO ; Lin TAN ; Ying XU
Journal of Xi'an Jiaotong University(Medical Sciences) 2004;0(05):-
Objective To study the phenylpropanoid constituents from the roots of Euphorbia hylonoma Hand-Mazz. Methods The chemical constituents were isolated and purified by silica gel and Sephadex LH-20 column chromatography,and the structures were elucidated on the basis of chemical properties and spectral data. Results Three phenylpropanoid constituents were isolated from the acetone extracts of the roots of Euphorbia hylonoma Hand-Mazz,which were hexadecyl-3-methoxy-4-hydroxybenzeneacrylate Ⅰ,ethyl brevifolincarboxylate Ⅱ and(+) 3′-angeloyl-4′-isovalerylcis-khellactone peuformosin Ⅲ. Conclusion The above compounds were isolated from Euphorbia hylonoma Hand-Mazz for the first time,and the compound Ⅲ was the first obtained from the Euphorbiaceae.
5.Effect of Jinfeng particles on MMP-1/TIMP-1 expression in articular cartilage of gouty arthritis in rabbits
Xiaoqian WANG ; Xin LI ; Jiansheng GUO ; Kejian ZHU
Chinese Journal of Immunology 2015;(6):774-777,784
Objective:To explore the effect of Jinfeng particles on the expression of MMP-1/TIMP-1 in cartilage of gout arthritis rabbit′s articular,to explicit treatment mechanism of gouty arthritis. Methods:Perfusion of ethambutol and adenine,inject MSU into joint cavity of rabbits to copy the model of gouty arthritis. After successful mode,were randomly divided into model group,Jinfeng granules in high,medium and low dose group(19. 6,9. 8,4. 9 g/kg),allopurinol group(0. 028 g/kg),Tongfengding group(0. 448 g/kg) ,another blank group. Administered for 7 days. 2 h after the last administration,were taken and painted articular cartilage tissue,to observe the changes of the pathological morphology;and the use of immune cell detection of the expression of TIMP-1,MMP-1,MMP-1/TIMP-1 ratio calculation. Results: Jinfeng granule could obviously reduce the articular cartilage of rats with inflammatory cells infiltration,hyperemia, swelling and necrosis, could significantly inhibit the expression of MMP-1 ( P< 0. 05 ) , stimulate TIMP-1 activation(P< 0. 01),and significantly reduce the ratio of MMP-1/TIMP-1(P< 0. 05). Conclusion: Jinfeng particles can effectively inhibit the pathological damage of gouty arthritis,upside the expression of TIMP-1 and its mechanism may be related to the inhibition of MMP-1,regulated the balance of MMP-1/TIMP-1,and then exert anti-inflammatory effects.
6.Drug Susceptibility and Detection of Mycoplasma in 1198 Cases
Yulin YANG ; Haiying WANG ; Yanmei GUO ; Xiaoqian ZHANG
Chinese Journal of Nosocomiology 2009;0(15):-
OBJECTIVE To study the characteristics of drug resistance and infection of mycoplasma. METHODS The mycoplasma was detected by culture,with an observation of drug susceptibility to 10 antibiotics. RESULTS The total positive rate of mycoplasma was 36.79%;of them Ureaplasma urealyticum(Uu) was 76.71%,Uu+ Mycoplasma hominis(Mh) was 19.87%,and Mh was 3.42%.The resistance rates to other antimicrobials were over 50.00% except JOS,CLA,MIN,DOX and OFL which were lower.The resistant rate to antibiotics for the mixed infection of Uu+Mh was significantly higher than Uu affection alone,from them to 6 antibiotics was over 60.00%. CONCLUSIONS The detection of mycoplasma infection and its drug resistance play an important guide role in the clinical treatment of urogential tract infection.
7.Establishment of hepatic stellate cell activated model by acetaldehyde in precision-cut liver slices
Xiaoqian WU ; Hui WANG ; Yu GUO ; Zhangxiu LIAO ; Yong WU
Chinese Journal of Clinical Pharmacology and Therapeutics 2004;0(08):-
AIM: To activate hepatic stellate cells (HSC) in vitro in precision-cut liver slices (PCLS) stimulated by acetaldehyde for studying and screening anti-fibrotic drugs. METHODS: PCLS were prepared by the vibratome, and incubated with 700 ?m?L~-1 acetaldehyde for 0, 2, 4 and 6 h. The medium and homogenate were retained to determine glutathione S-transferase (GST) activity, lactate dehydrogenase (LDH) leakage and hydroxyproline (Hyp) content. PCLS were prepared for paraffin sections. The expression of ?-smooth muscle actin (?-SMA) was evaluated by immunohistochemistry, and the result was analyzed with image analysis software. RESULTS: The leakages of GST and LDH were increased significantly compared with those in 0 h group (P
8.Mechanism of promoting wound healing by modified autologous blood transfusion in diabetic mice: relationship with MALAT1
Xiaoqian LIU ; Huan WANG ; Lishuang DUAN ; Hanwei WEI ; Nana ZHU ; Jianrong GUO
Chinese Journal of Anesthesiology 2021;41(1):80-84
Objective:To evaluate the relationship between the mechanism of promoting wound healing by modified autologous blood transfusion and metastasis-associated lung adenocarcinoma transcript 1 ( MALAT1) in diabetic mice. Methods:Twenty SPF ICR mice, weighing 21-25 g, in which the diabetic model was successfully established, were divided into 2 groups ( n=10 each) using a random number table method: modified preservation group (group I) and ordinary preservation group (group O). Peripheral venous blood samples were collected and stored in the corresponding preservation solution for 7 days.The platelet aggregation rate, blood glucose, serum glycosylated hemoglobin (GHB) and phosphodiesterase (DPG) concentrations and WBC were measured.Autologous blood was transfused back immediately after the wound model was established.The percentage of wound healing area was calculated at 7, 10 and 14 days after autologous blood transfusion.The expression of hypoxia-inducible factor-1α, vascular endothelial growth factor, matrix metalloproteinase-9, β-actin, type Ⅰ collagen (Col Ⅰ), Col Ⅲ protein and mRNA and MALAT1 was determined by Western blot, immunohistochemistry and quantitative real-time polymerase chain reaction respectively, at 14 days after transfusion. Results:Compared with group O, the blood glucose, serum concentrations of GHB and DPG, and WBC were significantly decreased, platelet aggregation rate was increased, the percentage of wound healing area was increased, the positive staining rate of Col Ⅰ and Col Ⅲ was increased, and the expression of hypoxia-inducible factor-1α, vascular endothelial growth factor, matrix metalloproteinase-9, ColⅠ, Col Ⅲ and β-actin protein and mRNA and MALAT1 was up-regulated in group I ( P<0.05). Conclusion:The mechanism by which modified autologous blood transfusion promotes wound healing may be related to up-regulating MALAT1 expression in diabetic mice.
9.Different effects of lipid components on insulin secretion in patients with type 2 diabetes and subjects with normal glucose metabolism
Wen GUO ; Jie LI ; Yamei WANG ; Xiaoqian CHEN ; Haiyan SHANGGUAN ; Bing XIN
Chinese Journal of Endocrinology and Metabolism 2015;(7):599-600
[Summary] The effects of lipid components on insulin secretion in patients with type 2 diabetes(T2DM) and control subjects were explored. The results demonstrated that in control group, disposal index( DI)0 was positively correlated with high density cholesterol(HDL-C), while DI30 was negatively correlated with total cholesterol(TC), triglycerides( TG) and low density cholesterol ( LDL-C), and DI120 was also negatively correlated with TC and LDL-C. In T2DM group, DI0 was negatively correlated with TC and LDL-C, DI30 was negatively correlated with TC, TG, LDL-C and TG/ HDL-C, DI120 was negatively correlated with TC, TG, LDL-C and TG/ HDL-C.
10.Association of thyroid hormones and insulin resistance in elderly patients with type 2 diabetes mellitus
Bing XIN ; Wen GUO ; Jie LI ; Yamei WANG ; Xiaoqian CHEN ; Haiyan SHANGGUAN
Journal of Medical Postgraduates 2015;(1):61-63
Objective The variation of serum thyroid hormones within the euthyroid range may be associated with insulin sensitivity.The study was to investigate whether the variation of thyroid hormones within the euthyroid range could influence insulin sensitivity in elderly patients with type 2 diabetes mellitus (T2DM). Methods 200 elderly inpatients and outpatients with type 2 diabetes were collected from September 2013 to May 2014 in our hospital for T2DM group.150 normal controls with normal glucose metabolism were taken as the control group.Blood samples were collected after 75g oral glucose tolerance test(OGTT) on all the re-search objects.Questionaire survey, physical examination and related metabolic index test were also done on them .Chemilumines-cence method were applied to detect their insulin, thyroid stimulating hormone(TSH), FT3 and FT4. Results FT3 levels were significantly lower in T2DM group than in control group[(4.05 ±0.27 )pmol/L vs (4.61 ±0.5)pmol/L), P<0.05].TSH levels were significantly higher in T2DM group than in control group[(2.75 ±1.07) IU/mL vs (2.28 ±0.89) IU/mL, P<0.05], while there was no significant difference as to FT4 levels between these two groups.All subjects were divided into three groups according to the tertiles of FT3 level, Matsuda index of high FT3 level group were significantly higher in comparison to middle and low FT3 level groups, while there was no significant difference as to HOMA-IR in the three groups.FT3 levels were negatively correlated with HO-MA-IR and positively correlated with Matsuda index .After stepwise regression analysis, there was significant positive association be-tween FT3 and Matsuda index. Conclusion Thyroid hormone especially FT3 is significantly associated with insulin resistance .FT3 may participate in the development of type 2 diabetes, which pro-vides a new treatment for T2DM.