1.Analysis of cardiovascular events and risk of tumor in aged patients with diabetes mellitus
Chinese Journal of cardiovascular Rehabilitation Medicine 2015;24(2):143-145
Objective:To observe cardiovascular events and risk of tumor in aged patients with diabetes mellitus (DM) .Methods :A total of 2743 DM patients ,who visited to our department of endocrinology from 2004 to 2010 , were enrolled as DM group ,another 2642 people without glucose metabolic disorder ,who visited to our hospital dur‐ing the same period with the same age ,were regarded as normal control group .Incidence rates of cardiovascular dis‐eases and morbidity of malignant tumor ,levels of tumor markers were compared between two groups (both groups were followed up for 2~7 years) .Results:Follow‐up found that cardiovascular disease rate in DM group was signif‐icantly higher than that of normal control group (21.47% vs .6.43% , P<0.05 );tumor marker CA19‐9 level in DM group was significantly higher than that of normal control group [ (17.89 ± 3.61) kU/L vs .(9.78 ± 2.64) kU/L ,P=0.001] ,and incidence rate of malignant tumor was significantly higher than that of normal control group (18.34% vs .8.18% , P=0.001) .Conclusion:Incidence rate of cardiovascular events and tumor in aged patients with diabetes mellitus is significantly higher than that of people without glucose metabolic disorder of same age .
2.Clinical study of pelvic autonomic nerve preservation in curative excision of male patients with rectal cancer
Bin CHEN ; Kuisheng LIN ; Jinqu CHEN ; Bin PU ; Huidong HONG
Clinical Medicine of China 2011;27(12):1316-1318
Objective To evaluate the effects of pelvic autonomic nerve preservation (PANP) during the radical resection of rectal carcinoma on the sexual and urinary function of male patients.Methods The sexual and urinary dysfunction rates from 45 male patients who undergone PANP and 45 control patients who did not undergo PANP during radical resection of rectal carcinoma were analyzed.Results In the PANP group,the incidences of erectile dysfunction,ejaculatory dysfunction and urinary dysfunction were 26.67%,24.44% and 28.89%,respectively.But in control group,the above three rates were 57.78%,60.00% and 62.22% in order.The rates of these three dysfunctions significantly were different between the two groups ( x2 =8.92,11.66,10.08,P < 0.01 ).Conclusion PANP during radical resection of rectal carcinoma could reduce the post-operative sexual dysfunction and urinary dysfunction.
3.Effect of methazolamide in patients with refractory uveitic macular edema
Yun-Bin, JIANG ; Hong, ZHU ; Yu-Hong, CHEN ; Hong, WANG
International Eye Science 2017;17(7):1359-1361
AIM:To evaluate the efficacy and safety of methazolamide in treating refractory uveitic macular edema.METHODS: Retrospective self-controlled study was designed.A total of 15 patients (20 eyes) with refractory uveitic macular edema which used methazolamide as adjuvant therapy were enrolled in Shanghai First People`s Hospital from January 2015 to June 2016.The changes of central macular thickness (CMT) and best corrected visual acuity (BCVA) were observed at baseline and 2, 4, 8wk after treatment.We also focused on the incidence of complications and relapse.RESULTS: The CMT was 445.95±154.10μm, 338.83±138.34μm, 251.50±40.20μm, 244.90±35.68μm at baseline, 2, 4 and 8wk after treatment, respectively.The differences among them were statistically significant (F=15.467, P<0.05).The BCVA (log MAR) were 0.40±0.17, 0.28±0.21, 0.19±0.20, 0.18±0.21 at baseline, 2, 4 and 8wk respectively, with a significant difference among them (F=5.208, P<0.05).When the cumulative dose reached to 700mg and 1400mg, no one had methazolamide-related complications;and when it came to 2800mg, 5 patients (33%) had methazolamide-related complication.After the withdrawal of methazolamide 1wk, 1 and 3mo, 3 patients (20%), 5 patients (33%) and 8 patients (53%) relapsed, respectively.CONCLUSION: Methazolamide is beneficial in improving macular edema and vision in 4wk.When the cumulative dose is more than 1400mg, we need pay attention to the complications.After discontinuing methazolamide for 1wk, macular edema relapsed in some patients, and more than half of patients recurred after 3mo.So the patients should be followed closely in 3mo after withdrawal of methazolamide.
4.Executive control for methadone maintenance patients:an event-related potential study
Qian ZHU ; Bin GONG ; Hong CHEN
Chinese Journal of Behavioral Medicine and Brain Science 2014;23(3):218-221
Objective To discuss the neuropsychological mechanism of executive control for methadone maintenance patients(MMP).Methods Using the event-related potentials (ERPs) technique to reveal the time course of information processes with high temporal resolution,and exam the function of attention monitoring and response inhibition in heroin-dependent MMP.Results (l) The behavioral results: there were significant withinsubjects Stroop interference effects for the MMP and control groups (reaction time:control group' s congruent condition(766.57±75.64) ms,incongruent condition(879.52±62.31) ms,MMP group' s congruent condition (821.89±64.44) ms,incongruent condition (906.29 ± 69.46) ms,P< 0.001 ; error rate: control group' s congruent condition (4.15± 2.92) %,incongruent condition (8.70 ± 6.12) %,P< 0.001,MMP group' s congruent condition (12.07 ±10.80) %,incongruent condition (16.60±12.43)%,P<0.01).(2)ERPs data showed that MMP demonstrated significantly smaller incongruent-N2/N450/SP amplitudes than controls,and all disappearing incongruent effects in N2,N450 and SP,comparing statistically significant incongruent effects for controls in N2,N450 and SP.In MMP group,the amplitudes of N2 and N450 incongruent condition (N2 (1.40± 2.91) μV、N450 (1.29 ± 0.55) μV) were bigger than congruent condition amplitudes(N2(0.77±3.61) μV 、N450(0.83± 1.07) μV,P<0.05),but the amplitude of SP (0.37±3.58)μV was smaller than congruent condition(1.53±3.05) μV,P<0.001 ;in control group,the amplitudes of N2 and N450 incongruent condition((-0.30±3.45) μV,N450(1.77± 1.55)tμV) were smaller than congruent condition (N2(1.10±3.64) μV,P<0.001; N450(2.37±2.12) μV,P<0.05),the amplitude of SP ((1.93±1.65) μV) was bigger than congruent condition((0.98±2.02)μV,P<0.01).Conclusion There are impaired executive control functions during the conflict monitoring process and the conflict resolution process for MMP.These results provide the neural electrophysiological evidence to explain relapse behaviors in methadone maintenance patients.
6.Molecular biology of 5-lipoxygenase
Hong LIU ; Bin ZHOU ; Xinshen CHEN
Academic Journal of Second Military Medical University 2000;0(10):-
5-lipoxygenase (5LO) is the key enzyme in the synthesis of leukotrienes, which are potent biological mediators of inflammation and anaphylaxis.After lock out of the 5LO gene by homologous recombination in embryonic stem cells, 5LO deficient-mice can develop normally and stay healthy, with a selective opposition to certain inflammatory insults. The cellular distribution of 5LO in unstimulated cells among different cell types is different; it can present in the cytosol, the nucleus, or both. 5LO was also found capable of shuttling in and out of the nucleus under certain conditions. It is suggested that 5LO might have other functions besides its traditional catalytic role.
8.An epidemiological study of functional bowel disorders in Zhejiang college students and its relationship with psychological factors
Li CHU ; Hong ZHOU ; Bin Lü ; Meng LI ; Mingyan CHEN
Chinese Journal of Internal Medicine 2012;51(6):429-432
Objective To study the epidemiologic features of functional bowel disorders (FBD)among medical students and science and engineering students in Zhejiang province,China,and to explore the relationship between psychological factors and FBD.Methods This study was a survey of random sampling based on the Rome Ⅲ Diagnostic Questionnaire ( Rome Ⅲ -DQ) conducted from November 2010 to March 2011.The survey was carried out among medical students and science and engineering students respectively in two universities in Zhejiang province.Symptom Check List 90 ( SCL-90 ) was used for psychological analysis.Results Among 1870 participants,1033 were diagnosed as FBD based on Rome Ⅲ criteria,with an overall incidence of 55.24%.The majority cases were unspecified functional bowel disorder,with an incidence of 26.58% (497/1870),others were functional constipation 16.95%(317/1870),irritable bowel syndrome 6.90% ( 129/1870),functional bloating 4.12% (77/1870) and functional diarrhea 0.70% (13/1870).The prevalence varied in different genders,majors and grades.In the multivariate analysis,women had a higher risk of any FBD than men [ 68.33% (617/903) vs 43.02%(416/967) ] except for functional diarrhea; and medical students had a higher risk of any FBD than science and engineering students [ 68.53% ( 734/1071 ) vs 37.42% ( 299/799 ) ].Generally higher grade undergraduates had relatively higher risks than lower grade students,especially in medical students.Among the participants with FBD,44.05% (455/1033) had other functional gastrointestinal disorders.In those overlapped parts,9.00% ( 93/1033 ) had belching disorders,and 8.23% ( 85/1033 ) had functional dyspepsia.Students with FBD got higher scores in SCL-90 than healthy students.Conclusions This study revealed a high rate of FBD among college students in Zhejiang province.The prevalence varied in different majors,and female higher than male.Psychological factors also had close relationships with FBD.
9.TETRANDRINE LOADED SUSTAINED-RELEASE MICROCAPSULES FOR LUNG TARGETING
Fengqian LI ; Bin LU ; Hong YANG ; Wenbin CHEN
Acta Pharmaceutica Sinica 2001;36(3):220-223
AIM To prepare lung targeted tetrandrine (TET) loaded sustained-release drug delivery system by microencapsulation, decrease the toxicity and enhance the therapeutic function of anti-pulmonary hypertension of TET. METHODS Albumin microcapsules were produced by spray drying-thermal denaturation, a new technique. Some characterization of the prepared microcapsules was evaluated. Distribution of the microcapsules and their anti-pulmonary hypertension effect in vivo were investigated. RESULTS The spherical microcapsules showed a drug loading of 37.88%. Compared to the original drug, the rate of TET released from the positively charged microcapsules in vitro was significantly decreased and fitted well by Higuchi equation. The TET concentrations in mouse lungs of TET microcapsules were significantly higher than those of TET injection, and the mean retained time of TET in lungs was prolonged from 157.1 h to 223.6 h after microencapsulation. The in vitro - in vivo correlation was established and confirmed (P<0.001). CONCLUSION The new spray drying-thermal denaturation method allows the preparation of drug loaded albumin microcapsules with desired results. The prepared microcapsules were found to have the potential function of delivering TET to pulmonary artery via iv, with low toxicity and high efficacy.
10.Effect of controlled release bFGF microspheres on osteoblasts
Hong DUAN ; Guanglin WANG ; Fuxing PEI ; Bin SHEN ; Jian CHEN
Chinese Journal of Trauma 1991;0(02):-
Objective To investigate the bioactivities of controlled release bFGF microspheres (Ms) and their effects on the cultured osteoblasts. Methods The secondary cultured osteoblasts were divided into four groups according to the different ingredients being added to the DMEM culture medium, ie, control group,bFGF group, bFGF-PLGA-Ms group and bFGF-PELA-Ms group. The proliferation of the cultured osteoblasts was measured with cell counting method, MTT method and flow cytometry. The content of bone BGP secreted by osteoblast was also measured with RIA method. Results The in vitro cellular study showed no significant difference in the cell number and cell viability of four groups one day after plate culture.The cell number and cell viability in the bFGF-PLGA -Ms group were more than those in other three groups four and six days after plate culture. The cell number and cell viabilitythose in the bFGF group were more than those in the bFGF-PELA-Ms group six and eight days after plate culture with insignificant difference. The flow cytometrical examination showed that the G 2/M+S percentage in the bFGF group reached the highest two days after plate culture and the G 2/M+S percentage in the bFGF-PLGA-Ms group went the highest four and eight days after plate culture. Among four groups, the content of BGP in the bFGF-PLGA-Ms group was the highest and the bFGF-PELA-Ms group the next. Conclusions The effect of bFGF-PELA-Ms is not satisfactory,as indicates that the manufacturing method needs improving. However,the bFGF-PLGA-Ms can promote the proliferation and differentiation of the osteoblasts through a long period of controlled release of bFGF.