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Relation between IL-8 gene polymorphism and delayed Alzheimer's disease in Xinjiang Han people

Chinese Journal of Geriatric Heart Brain and Vessel Diseases.2014;(6):617-619. doi:10.3969/j.issn.1009-0126.2014.06.017

Objective To study the relation between IL-8 gene-251A/T polymorphism and delayed Alzheimer's disease (AD)in Xinjiang Han people .Methods Eighty delayed AD patients served as a delayed AD group and 80 subjects undergoing physical examination served as a control group in this study .Distribution of IL-8 gene-251A/T polymorphism in two groups was detected by PCR-RFLP .Results The distribution of genotypes and alleles was different in two groups (P=0 .023 , P= 0 .010) .Further stratified analysis showed that the frequency of A allele was significantly higher in delayed AD group than in control group (OR= 1 .851 ,95% CI:1 .159 -2 .957 ,P=0.010) ,indicating that A allele is the risk factor for delayed AD .The frequency of AA genotype was significantly higher in delayed AD group than in control group (OR=3 .370 ,95% CI:1 .143-9.939 ,P=0 .023) ,indicating that the risk of delayed AD was 3 .370-fold higher in subjects with AA genotype than in those with TT genotype .The AT genotype was not related with the risk of delayed AD (OR=1 .944 ,95% CI:0 .994-3 .803 ,P=0 .051) .Conclusion IL-8 gene-251A/T pol-ymorphism is related with the risk of delayed AD .

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Thrombosis in deep veins of lower extremities of cardiovascular disease patients after fracture

Chunxia ZHU ; Changyu ZHOU

Chinese Journal of Geriatric Heart Brain and Vessel Diseases.2014;(6):602-604. doi:10.3969/j.issn.1009-0126.2014.06.013

Objective To study the deep vein thrombosis (DVT ) in lower extremities of patients with or without cardiovascular disease after fracture .Methods Five hundred and eighty-four frac-ture patients were divided into cardiovascular disease (CVD) group (n=235) and non-cardiovas-cular disease (NCVD) group (n=349) .Patients in CVD group were further divided into subgroup A (with essential hypertension) ,subgroup B (with CHD) ,and subgroup C(accompanying essen-tial hypertension and CHD) .Incidence of DVT in CVD group ,NCVD group ,subgroups A-C at different ages after fracture was compared .Results The incidence of DVT was significantly high-er in CVD group than in NCVD group (P<0 .01) ,in two groups on days 0-7 after fracture than on days 8-14 or >14 after fracture ,and in patients with their age ≥60 years than in those with their age <60 years .Conclusion DVT is easier to occur in CVD patients with their age ≥ 60 years than in those with their age <60 years after fracture .DVT usually occurs within 1 week af-ter fracture .Importance attached to high risk population and measures taken as soon as possible against it can reduce DVT after fracture .

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Effect of enteral nutrition on cardio-pulmonary function in elderly patients with chronic obstructive pulmonary disease

Lei LI ; Jia SHI

Chinese Journal of Geriatric Heart Brain and Vessel Diseases.2014;(6):599-601. doi:10.3969/j.issn.1009-0126.2014.06.012

ion:Objective To study the effect of enteral nutrition on cardio-pulmonary function in elderly patients with chronic obstructive pulmonary disease (COPD) .Methods Fifty-eight elderly COPD patients were randomly divided into treatment group (enteral nutrition group ,n=29) and control group (free diet group ,n=29) .Their nutrition parameters (BMI ,serum total protein ,al-bumin and prealbumin) ,LVEF and pulmonary function (FEV1 ,FVC ,FEV1/FVC) were assayed before and after treatment .Results The BMI ,serum levels of total protein ,albumin and prealbu-min were significantly higher in treatment group after treatment than before treatment ( P<0.05) .However ,no significant difference was observed in these parameters in control group after treatment .The LVEF ,FVC ,FEV1 and FEV1/FVC were significantly higher in treatment group than in control group after treatment (P< 0 .05) .Conclusion Enteral nutrition in combination with conventional treatment can improve the nutrition and cardio-pulmonary function in elderly COPD patients ,thus shortening their hospital stay time .

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Involvement of miR-106b in endothelial cells-mediated angiogenesis

Maimaiti AILIFEIRE ; Hong CHEN ; Jingyi REN

Chinese Journal of Geriatric Heart Brain and Vessel Diseases.2014;(6):633-636. doi:10.3969/j.issn.1009-0126.2014.06.022

Objective To study whether miR-106b is involved in endothelial cells-mediated angio-genesis .Methods miR-106b cultured and transfected with endothelial cells was divided into miR-106b group ,blank control group and positive control group .RNA was extracted from miR-106b .The transfection efficiency was confirmed by inverse transcription .Endothelial cell tubes formed in matrigel were observed .Apoptosis of transfected miR-106b was assayed by TUNEL assay .Target genes of miR-106b were detected .Expressions of miR-106b and candidate genes were detected by RT-PCR and Western blot ,respectively .Results The number of endothe-lial cell tubes formed in matrigel was significantly less in miR-106b group than in blank control group and positive control group .The ratio of formed tubes ,signal transduction and mRNA ex-pression level were significantly lower in miR-106b group than in positive control group ( P<0.05 ,P<0.01) .No significant difference was found in apoptosis of transfected miR-106b among the 3 groups (1.19% vs 3 .39% ,P>0 .05) .Conclusion miR-106b inhibits endothelial cells-medi-ated angiogenesis by down-regulating the signal transduction and STAT 3 ,which is not directly re-lated with VEGFA .

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Percutaneous renal sympathetic denervation for elderly refractory hypertension patients

Xiaodong SHENG ; Xiaoqi JIN ; Zongcheng ZHU

Chinese Journal of Geriatric Heart Brain and Vessel Diseases.2014;(6):592-595. doi:10.3969/j.issn.1009-0126.2014.06.010

Objective To assess the efficiency ,safety and feasibility of percutaneous renal sympa-thetic denervation (RSD) for elderly refractory hypertension patients .Methods Office and ambu-latory blood pressures ,serum levels of creatinine ,angiotensin Ⅱ and aldosterone ,estimated glo-merular filtration rate (eGFR) and rennin activity were measured in 20 elderly refractory hyper-tension patients before and 1 ,3 ,6 months after percutaneous RSD .Complications of percutaneous RSD were observed .Results The office and ambulatory blood pressures were 16 .9/11 .9 mm Hg (1 mm Hg=0 .133 kPa) ,24 .8/17 .1 mm Hg ,29 .1/20 .5 mmHg and 24 .2/17 .2 mm Hg lower 1 , 3 ,6 months after percutaneous RSD than before percutaneous RSD ( P< 0 .01 ) .No significant difference was found in serum creatinine level and eGFR before and after percutaneous RSD (P>0 .05) .The creatinine ,angiotensin Ⅱand aldosterone levels were significantly lower after percuta-neous RSD than before percutaneous RSD (P<0 .05) .Femoral artery hematoma was detected in 1 patient .Conclusion Percutaneous RSD is a safe ,effective and feasible procedure for elderly re-fractory hypertension patients .

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Role of prostaglandin E1 in prevention of contrast-induced nephropathy in elderly CHD patients undergoing PCI

Yina LI ; Shicheng YANG ; Naikuan FU

Chinese Journal of Geriatric Heart Brain and Vessel Diseases.2014;(6):580-583. doi:10.3969/j.issn.1009-0126.2014.06.007

Objective To study the role of prostaglandin E1 in prevention of contrast-induced ne-phropathy (CIN)in elderly CHD patients undergoing PCI .Methods Three hundred elderly CHD patients who were going to undergo PCI in Tianjin Chest Hospital were divided into prostaglandin E1 treatment group (n=150) and conventional treatment group (n=150) .Patients in prostaglan-din E1 treatment group were treated with 20 μg prostaglandin E1 plus hydration therapy and those in conventional treatment group received simple hydration therapy .T heir serum levels of creatinine ,urea ,β2-microglobulin ,24 h proteinuria ,CRP ,IL-6 ,TNF-α,GPX ,SOD ,and creatinine clearance rate were measured before and 3 d after PCI .The incidence of CIN in two groups was analyzed .The hypotension events in prostaglandin E1 treatment group were recorded .Results The serum levels of CRP ,SOD ,GPX ,24 h proteinuria and the incidence of CIN were significantly lower while the creatinine clearance rate was significantly higher in prostaglandin E 1 treatment group than in conventional treatment group after PCI (P<0 .05) .The serum levels of CRP ,IL-6 , SOD ,GPX and 24 h proteinuria were significantly higher in two groups after PCI than before PCI (P<0 .05) .Conclusion Prostaglandin E1 can protect the renal function in CHD patients under-going PCI and play a certain role in preventing CIN .

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Studies on relative factors of vascular parkinsonism

Xiuhan TENG ; Jie HAN

Chinese Journal of Geriatric Heart Brain and Vessel Diseases.2009;11(8):594-596. doi:10.3969/j.issn.1009-0126.2009.08.011

Objective To investigate the relative factors of vascular parkinsonism(VP),in order to provide a clinical basis for early diagnosis of VP. Methods The method of prospective cohort study was used. The first cerebral infarction was taken as the initiating event. All the cases were followed up for 4 years. When they suffered from VP or died of VP, the follow-up was termina-ted. Logistic regression model was used to analyze the risk factors for VP. Results Fifty-four pa-tients developed VP in 404 patients with first cerebral infarction,the incidence rate was 13.4%.According to the typing standard of OCSP,in the 404 patients, the incidence of VP was highest in lacunar infarction group(42 cases, 20.4%). The main risk factors for VP included age (P=0.043, OR = 1. 135,95% CI: 1. 010-1. 275),hypertension history (P=0.032, OR=2.019,95% CI: 1.247-4.746), blood viscosity (P=0.041, OR=1.724,95% CI: 1.036-3.058) and fibrinogen (P=0.001, OR=2.241,95% CI: 1.272-5.473). Conclusion During follow-up for 4 years,the incidence rate of VP in patients with first cerebral infarction is 13.4%. Lacunar in-farction is apt to cause occurrence of VP. Age, hypertension history, blood viscosity and fibrinogen are risk factors for VP. VP may be caused by multiple factors and multiple mechanisms.

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Analysis of the characteristics of pulse pressure index in elderly men with hypertension

Yanran LI ; Yajie ZHAO ; Cuiyan JIN

Chinese Journal of Geriatric Heart Brain and Vessel Diseases.2009;11(8):578-580. doi:10.3969/j.issn.1009-0126.2009.08.006

Objective To analyze the characteristics of pulse pressure index(PPI) and its value in predicting the risk for cerebral and cardiac vascular events in old males with hypertension. Meth-ods The 24-hours ambulatory blood pressure monitoring was performed in a total of 265 elderly men with essential hypertension(EH). The patients were classified into 3 groups based on the lev-el of PPI.PPI≤0.400(103) ,0. 401-0. 500(124) ,and≥0.501(38). Results There was significant difference in PP between day-time and night-time in hypertensive patients. The change of PPI was less than that of PP. With the increase in PPI, SBP(24 h, day-time, night-time), PP(24 h, day-time, night-time), the load of SBP(night-time), systolic blood pressure variation(BPV, 24 h, day-time) were raised significantly (P<0.01); while DBP(24 h, day-time, night-time), nocturnal de-cline in BP and the load of DBP(day-time) declined with the decrease in PPI (P<0.01). High PPI would increase the incidence of cardiac-cerebral vascular events (P < 0.01). Conclusion PPI is a useful parameter in clinical evaluation of arteriosclerosis. It may also have prognostic value for cardiac-cerebral vascular events in elderly men with EH.

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Role of TLR2 in AngⅡ-induced cardiac fibrosis in hypertensive mice

Hongjuan Lü ; Xiaomin KANG

Chinese Journal of Geriatric Heart Brain and Vessel Diseases.2014;(8):860-862. doi:10.3969/j.issn.1009-0126.2014.08.023

Objective To study the role of TLR2 in AngⅡ-induced cardiac fibrosis in hypertensive mice .Methods Eighteen wild C57 mice were randomly divided into blank control group ,AngⅡgroup and TLR2 blocking group (6 in each group) .A hypertension model was established by sub-cutaneous infusion of AngⅡthrough a mini-pump for 7 days .Cardiac fibrosis in mice was observed with immunohistochemical staining .Results The area of cardiac fibrosis was significantly larger and the expression levels of collagen Ⅰ and TGF-βwere significantly higher in Ang Ⅱgroup than in blank control group (P<0 .05) .The area of cardiac fibrosis was 71 .2% smaller ,the expression level of collagen Ⅰ was 75 .5% ,and the expression level of TLR2 was 77 .7% lower in TLR2 blocking group than in Ang Ⅱgroup (P<0 .05) .Conclusion TLR2 is involved in Ang Ⅱ-induced cardiac fibrosis in hypertensive mice .

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Therapeutic effect of high-dose atorvastatin on acute ischemic stroke

Quanxin ZHANG

Chinese Journal of Geriatric Heart Brain and Vessel Diseases.2014;(8):843-845. doi:10.3969/j.issn.1009-0126.2014.08.018

Objective To study the therapeutic effect of high-dose atorastatin on acute ischemic stroke (AIS) .Methods One hundred and twenty-six AIS patients were randomly divided into treatment group and control group (63 in each group) .The therapeutic effect of high-dose atora-statin and nerve function scores were compared 2 weeks after the patients in control group re-ceived anti-platelet aggregation ,cerebral protection and radical scavenging treatment and those in treatment group underwent anti-platelet aggregation ,cerebral protection and radical scavenging treatment plus atorvastatin treatment (60 mg/d) .Results The effective and very effective rates were significantly higher and the NIHSS score of nerve function was significantly lower in treat-ment group than in control group (66 .67% vs 44 .44% ,P<0 .05 ,88 .89% vs 63 .49% ,P<0 .01 ;10 .1 ± 1 .5 vs 15 .5 ± 1 .2 ,P<0 .01) .No severe adverse reacrion occurred in two groups .Conclu-sion Hgh-dose atorastatin is very effective and safe for AIS with no significant adverse effect , and is thus worthy of popularization in clinical practice .

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