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1.
Basic & Clinical Medicine ; (12): 368-373, 2024.
Artigo em Chinês | WPRIM (Pacífico Ocidental) | ID: wpr-1018622

RESUMO

Objective To investigate the role of triggering receptor expressed on myeloid cells-1(TREM-1)in ath-erosclerosis induced by chronic intermittent hypoxia(CIH).Methods ApoE-/-mice were randomly divided into blank group,model group and experimental group.The mice in the model group and the experimental group were kept in a hypoxic environment and fed with a high-fat diet.After 4 weeks of high-fat feeding,mice in the experi-mental group were intraperitoneally injected with TREM-1 inhibitor LR12(5 mg/kg)for 8 weeks.After 12 weeks of feeding,the level of serum total cholesterol(TC),low density lipoprotein(LDL),triglyceride(TG),tumor necrosis factor-α(TNF-α),interleukin-1β(IL-1β)and interleukin-10(IL-10)were detected.Histological analysis of aortic TREM-1 expression,plaque area and macrophage level were examined.Results Compared with blank group,the expression of TREM-1 in the aorta of the model group significantly increased(P<0.05).Com-pared with model group,the aortic plaque,the level of lipids in serum(TC,LDL,TG)and inflammatory factors(TNF-α,IL-1β,IL-10),aortic plaque,the expression of TREM-1 and infiltrating macrophages in aortic plaque of the experimental group were all significantly reduced(P<0.05).Conclusions TREM-1 is involved in the develop-ment of CIH-induced AS.Inhibition of TREM-1 can alleviate CIH-induced AS and its mechanism is related to the inhibition of macrophage activation.

2.
Chinese Journal of Geriatrics ; (12): 844-847, 2019.
Artigo em Chinês | WPRIM (Pacífico Ocidental) | ID: wpr-755426

RESUMO

Objective To investigate the efficacy and safety of Irbesartan Hydrochlorothiazide combined with Metoprolol as initial therapy in the treatment of heart failure in the elderly.Methods A total of 128 elderly patients with heart failure admitted into our hospital from September 2017 to August 2018 were randomly divided into Group A(n=64)and Group B(n=64).Group A was treated with oral Irbesartan Hydrochlorothiazide tablets.Group B was treated with sustained-release oral Metoprolol tablets in addition to what was given in Group A.Therapeutic effects were compared between the groups.Results Compared with Group A,the effectiveness rate of group B was significantly improved(93.8% vs.81.3%,x2 =4.571,P=0.033).There was no significant difference in brain natriuretic peptide (BNP),interleukin (IL)-12,left ventricular ejection fraction (LVEF),left ventricular end-systolic diameter(LVESD),or left ventricular end-diastolic diameter(LVEDD)between the two groups before treatment (P>0.05).Compared with Group B,BNP,IL-12,LVEF,LVESD and LVEDD had significantly better profiles in Group A after treatment (P < 0.05).The time-domain measurements of heart rate variability such as sequential five-minute R-R interval means(SDANN),standard deviation of the N-N interval(SDNN),percent of differences between adjacent RR intervals >50ms(PNN50)and root mean square of the successive differences(RMSSD)were higher in Group B than in Group A after treatment.No serious adverse reactions were observed in either group,and there was no significant difference in the incidence of adverse reactions between the two groups(4.7% vs.7.8 %,x2 =0.533,P =0.465).Conclusions Irbesartan Hydrochlorothiazide combined with Metoprolol as initial therapy has good clinical effects in treating elderly heart failure.It can not only improve the clinical symptoms of patients,but also ensure clinical medication safety.

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