1.MR imaging features with pathologic correlation in adenomyosis
Jinwen HOU ; Hua CHENG ; Chuanfu LI
Chinese Journal of Radiology 2001;0(01):-
Objective To evaluate the usefulness of MRI in the diagnosis of adenomyosis. Methods Sagittal Turbo SE T 1WI, T 2WI, T 1SPIR and T 2SPIR MRI examination were performed on 30 cases with adenomyosis. Results The lesions in 12 cases with diffuse adenomyosis were demonstrated as diffusely thickened junctional zone (JZ) measured 10~35 mm (mean 18 mm) On T 2WI. 6 of them were of homogenous hypointensity. Another six had hyperintensive foci within the hypointensive lesions on T 2WI, and these hyperintensive foci could also be found on T 1WI in 5 lesions. 23 focal lesions (adenomyomas) in 18 cases were oval, irregular or round masses with hypointensity that were the same as the intensity of JZ on T 2WI. They were from 2.0-7.5 cm in diameter (mean 3.9 cm), and all but one showed ill-defined margins. 15 masses hadhyperintensive foci within the hypointensive lesions on T 2WI and 12 of 15 presented hyperintensity on T 1WI. The diffusely thickened JZ and focal masses correspond to the hyperplastic and hypertrophic musculature around the heterotopic endometrial islands. The hyperintensive foci were correlated with the heterotopic endometrial islands. The hyperintensive foci showed only on T 2WI corresponded to the heterotopic endometrial islands without hemorrhage. The hyperintensive foci shown on both T 2WI and T 1WI were the heterotopic endometrial islands with hemorrhage. Conclusion MRI is the modality of choice for the diagnosis of adenomyosis. T 2WI is the most useful sequence. T 2WI combining with T 1WI, T 1SPIR, and T 2SPIR can improve the accuracy in the diagnosis of adenomyosis.
2.The role of SIRT1 in the treatment of diabetic nephropathy.
Bi-Yu HOU ; Li LI ; Li ZHANG ; Guan-Hua DU
Acta Pharmaceutica Sinica 2014;49(12):1625-1630
Diabetic nephropathy presents an increasing trend worldwide. It has been an attractive area to find novel targets for the treatment of diabetic nephropathy. SIRT1 (Sirtuin 1), a member of deacetylation enzymes, regulates cell senescence, metabolism, and apoptosis. In last ten years, lots of studies showed that SIRT1 exerts a protective effect in the progression of the diabetic nephropathy by promoting reconstruction of energy homeostasis, modulating cell redox state, resisting cell apoptosis, inhibiting inflammation and ameliorating renal fibrosis. SIRT1 has become a potential new target for the treatment of diabetic nephropathy.
Apoptosis
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Cellular Senescence
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Diabetic Nephropathies
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pathology
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Humans
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Oxidation-Reduction
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Sirtuin 1
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physiology
4.Analysis of risk factors and clinical outcomes in patients with acute myocardial infarction and history of stroke
Boyu LI ; Qi HUA ; Jing LI ; Haixia HOU
Chinese Journal of Cerebrovascular Diseases 2014;(7):337-341
Objective To investigate the risk factors,clinical characteristics and outcomes in patients with acute myocardial infarction and history of stroke. Methods A total of 771 patients with acute myocardial infarction diagnosed and admitted to Xuanwu Hospital,Capital Medical University from January 2005 to March 2012 were analyzed retrospectively. They were divided into either a stroke group (n=387)or a control group (n=384)according to whether they had previous ischemic stroke or not. The risk factors for cardiovascular disease,clinical characteristics of the disease,and clinical outcomes of the patients in both groups were compared through the case control analysis. The endpoint events observed were acute ischemic stroke,cerebral hemorrhage,and cause of death during hospitalization. Results (1)The median age of the patients in both stroke and control groups was 71 (37-91 )and 62 (29-90 )years respectively. The female patients in the stroke group were more than those in the control group (n=125 vs. n=91). The incidence of complicated with hypertension (72. 9%[n=282]and 47. 6%[n=183]) and type 2 diabetes mellitus (39. 0%[n=151]and 20. 8%[n=80]respectively)were high. There was significant difference between the two groups (P<0. 01). (2)The time from the onset to admission in patients of the stroke group was longer than that in patients of the control group (median 11 h vs. 4 h). The incidence of non-ST segment elevation myocardial infarction (16. 0%[n = 62 ]and 1. 8%[n = 7 ] respectively)was higher. The incidences of complicated with gastric stress ulcer (7. 0%[n =27 ]and 2. 1%[n=8]respectively),atrial fibrillation (10. 6%[n=41]and 3. 9%[n=15]respectively),and acute pulmonary edema-cardiac function Killip class≥Ⅱ(51. 9%[n =201 ]and 37. 8%[n =145 ] respectively)were more higher. The findings of coronary angiography in patients of the stroke group were that the incidence of left main coronary artery or 3 -branch lesion higher than that of the control group (52. 9%[126/238]and 32. 4%[97/299]respectively). There was significant difference (P <0. 05). (3)The incidence of new stroke in patients of the stroke group (5. 7%[n =22 ]and 1. 8%[n =7 ] respectively)and in hospital mortality (13. 7%[n=53]and 7. 6%[n=29]respectively)were higher than those of the control group. There were significant differences (P<0. 01). Conclusion The age of the patients with acute myocardial infarction with previous identified history of stroke is older. The incidence of female patients is higher than that of the non-stroke patients,and most of them have risk factors that complicated with hypertension and diabetes mellitus. These patients often have the complications with peptic ulcer disease and heart failure,and their coronary angiography often show multi-branch lesions,and they are more prone to ischemic cardio-cerebrovascular events during the hospitalization.
5.Investigation and analysis of clinical nurses' recognition level and influence factors on basic life care
Shumin ZHAO ; Rongdan HOU ; Hua XIN ; Xiaomei LI ; Yuan LI
Chinese Journal of Practical Nursing 2009;25(25):66-69
asic life care should be carried out immediately.
6.Granger causality analysis methods on brain functional signals
Weina LI ; Xiaolin ZHENG ; Wensheng HOU ; Guocai WU ; Hua FENG
International Journal of Biomedical Engineering 2011;34(6):375-379
How does brain select and adjust the distributed neural activities to achieve its function? To address this problem,researchers introduce Granger causality analysis method to brain functional study,which deals with the estimation of causal influences among multi-variables.First,basic principles of Granger Causality and its improved algorithm structural vector autoregression (SVAR) are introduced.Then several technical problems are reviewed which should be noted when analyzing brain functional signals by Granger Causality Methods.In the end,the application foreground of Granger Causality in epilepsy localization is introduced by taking idiopathic generalized epilepsy as the example.
7.C-reactive protein induced inflammatory response in pulmonary artery smooth muscle cell by nuclear factor-κB pathway
Ling HOU ; Jinke ZHOU ; Jie LI ; Hua ZHENG ; Changlin LU
Chinese Journal of Emergency Medicine 2011;20(4):395-399
Objective To examine the impact of C-reactive protein (CRP) on the expression of interleukin-6 (IL-6), inflammatory cytokine, in cultured human pulmonary artery smooth muscle cells (hPASMCs) in order to find out the cause of pulmonary artery hypertension (PAH). Method The hPASMCs were cultured and stimulated by different concerntrations of CRP (5 - 200 μg/ml) for different lengths of time. The activity of nuclear factor-κB (NF-κB) was evaluated by electrophoretic gel mobility shift assay (EMSA). The expression of IL-6 mRNA and the level of IL-6 protein were measured by using real-time PCR and ELISA, respectively. Results CRP increased IL-6 production in hPASMCs in a dose-dependent manner. The increase in IL-6 at concerntration of 200 μg/mL in the CRP group was as high as 2.8times that in the control group. CRP also significantly induced the activation of NF-κB in hPASMCs. The effect of CRP on the inflammatory cytokine, IL-6, was inhibited by the specific FcγⅡa receptor antibody.Conclusions In vitro, CRP increases the production of IL-6 in hPASMCs mediated by FcγⅡa receptor and NF-κB translocation. These data offer important insights into the role of CRP in the pathogenesis of PAH.
8.Effect and mechanisms of combined immunosuppressive agents sequential therapy in murine models of chronic graft-versus-host disease
Hua WEI ; Ke XU ; Guanghui HOU ; Wenpeng ZHAO ; Xiaofeng LI
Chinese Journal of Rheumatology 2011;15(11):777-782
ObjectiveTo explore the effects and possible mechanisms of VCR combined with low dose cyclophosphamide(CTX) intermittently to treat severe systemic lupus erythematosus(SLE).It is assumed that this might be a new combination therapy for SLE and expected to improve the overall prognosis and outcome of SLE.MethodsMurine chronic graft-versus-host disease(cGVHD) model were developed for study.They were randomly divided into the control group,vincristine (VCR) pulse therapy group,CTX pulse therapy group,CTX every other day(EOD) group,VCR+CTX combination group.One way ANOVA and repeated measure variance analysis were used for statistical analysis.Results① Six weeks after cGVHD models were set up,the average 24-hour urine protein quantification was(5.02±0.88) mg,anti-dsDNA antibody was positive,and Ⅳ LN pathology could be observed histologically in the model murine.So cGVHD models were successfully developed.② Significantly difference in decreasing of 24-hour urine protein quantification was found in the CTX EOD group,VCR+CTX combination group and other groups (P<0.01).Significant decrease in Cr,ALT,anti-dsDNA,was found in the CTX EOD group,VCR+CTX combination group,CTX pulse therapy group and other groups(P<0.05).Decrease in urine MCP-1 and TGF-β1 could be detected,and statistical significant difference in these parameters could be found in the CTX EOD group,CTX pulse therapy group,VCR+CTX combination group and other groups (P<0.01).MCP-1 and TGF-β1'expression in model kidney were reduced in the CTX EOD group,VCR+CTX combination group and had statistical significant difference in the CTX EOD group,VCR+CTX combination group,VCR pulse therapy group,and CTX pulse therapy group.③ VCRand CTX combination treatment was effectivein 24-hour urine protein quantification,blood Cr,ALT,anti-dsDNA and urine MCP-1,as well as urine TGF-β1 (P<0.05).Conclusion ① The combination of VCR and CTX is synergistic in decreasing 24-hour urine protein quantification,Cr,and the expression of MCP-1,TGF-β1.② The adverse effect of VCR+CTX combination group is similar to VCR pulse therapy group and CTX pulse therapy group.
9.Analysis on adverse drug reactions induced by antibacterial drugs in Ezhou Central Hopstial from 2011 to 2016
Wei LI ; Jian SHEN ; Hongwei HOU ; Hua LIAO
Drug Evaluation Research 2017;40(5):700-705
Obiective To analyze the characteristics of antibacterial drugs caused adverse drug reactions (ADR) and correlation with DDDs in Ezhou Central Hospital,and provide reference for safe and rational use of antibacterial drug in clinic.Methods ADR reports of antibacterial drugs in Ezhou Central Hospital from September 2011 to August 2016 were entered into Microsoft Excel 2000 software,Statistical analysis was performed on the categories of antimicrobials,drug names,clinical manifestations,and DDDs,composition ratio of ADR and ratio ofB/A.Results Involved in 151 ADR cases and 10 kinds of antibacterial drugs,the top 3 antibacterial drugs respectively were Fluoroquinolones,Cephalosporins,and Penicillins,the top 3 DDDs respectively were Cephalosporins,Fluoroquinolones,and Macrolides,and the B/A values of Cephalosporins,Macrolides,and Antifungal agents were over 1.The top 4 ADR composition ratios respectively were Levofloxacin,Moxifloxacin,Cefmetazole,and Cefotiam,and the top 4 DDDs respectively were Levofloxacin,Cefodizime sodium,Azithromycin,and Cefmetazole,and the B/A ratios of Cefodizime sodium,Metronidazole,and Azithromycin were over than 1.Levofloxacin and moxifloxacin had a higher risk of severe ADR,and Levofloxacin and Cefotiadine had a higher risk of new ADR.Conclusion The ADR rate of antibacterial drugs is basic consistent with its DDDs.Clinical should pay more attention to the individual drugs with higher rates of ADR,such as Cefodizime sodium,metronidazole,and azithromycin etc.
10.Comparison of Effects of Laparoscopic and Open Radical Hysterectomy on Serum IL-4, IL-10, TNF-α and IFN-γ Levels of Patients with Cervical Cancer
Min HAN ; Xiao LI ; Hua SUN ; Juhui ZHAO ; Minmin HOU
Progress in Modern Biomedicine 2017;17(22):4334-4337
Objective:To compare of the effects of laparoscopic and open radical hysterectomy on the serum Interleukin-4(IL-4),interleukin-10 (IL-10),tumor Necrosis Factor-α (TNF-α) and Interferon-γ (IFN-γ) levels of Patients with Cervical Cancer.Methods:64 patients of cervical cancer who were treated from March 2014 to September 2016 in our hospital were selected as research objects.The patients were randomly divided into the abdominal cavity group and open group.The operative time,blood loss,postoperative ventilation time and the levels of IL-4,IL-10,TNF-a and IFN-γin serum before and after treatment were compared between the two groups.Results:The intraoperative blood loss and postoperative ventilation time were significantly lower or shorter in the abdominal cavity group than in the open group (P<0.05).There was no statistically significant difference in the operation time between the two groups (P>0.05).There were no significant differences in the levels of serum IL-4,IL-10,TNF-α and IFN-γ between the two groups before operation(P>0.05);The serum IL-4 level was significantly lower than that of the open group during the operation (P<0.05).There was no significant difference in the other three index between the other three groups and the laparotomy group (P>0.05).The serum levels of IL-4,IL-10,TNF-α and IFN-γ in the abdominal cavity group were significantly lower than those of the laparotomy group on the 1 st and 7th day after operation(P<0.05).Conclusion:Laparoscopic radical mastectomy in cervical intraoperative less blood loss and more secure.The effect of IL-4,IL-10,TNF-α and IFN-γin the postoperative patients was more obvious.Conducive to the recovery of patients after surgery.