Inhibitory effect of the paraoxonase gene on the formation of rabbit coronary atherosclerosis

OBJECTIVE@#To observe the effect on the inhibition of coronary atherosclerosis hardening of the paraoxonase gene (PON-1) which transfected to the rabbit epicardial adipose tissue.@*METHODS@#Rabbit coronary atherosclerosis model was established by high-fat feeding, liposome-encapsulated recombinant plasmid pEGFP-PON-1 50 μ L was injected to the rabbit pericardial cavity, and was harvested 4 weeks after transfection.@*RESULTS@#The epicardial fat transfected PON-1 gene had effect on the high lipid level. It significantly increased expression of PON-1 in peripheral arterial vascular tissue (P <0.05); and significantly reduced total cholesterol and low-density lipoprotein cholesterol levels (P<0.05), and the thickness ratio of coronary artery intima/media (P <0.05).@*CONCLUSIONS@#The injection of the PON-1 gene in the pericardial cavity can effectively suppress the formation of coronary atherosclerosis.

Effects of antiarrhythmic drug use on atrial fibrillation recurrence in atrial fibrillation patients post circumferential pulmonary vein ablation / 中华心血管病杂志

<p><b>OBJECTIVE</b>This prospective and randomize-controlled trial was designed to investigate the effects of antiarrhythmic drug use (AADs) on atrial fibrillation (AF) recurrence in atrial fibrillation patients post circumferential pulmonary vein ablation (CAPV).</p><p><b>METHODS</b>Seventy-four consecutive AF patients underwent CAPV (41 paroxysmal and 33 drug refractory AF) were randomly assigned to receive placebo (Group A) or AADs (Group B) for 3 months. Monthly standard electrocardiograms (ECG) and Holter monitoring were performed to assess AF recurrences during 17 - 28 months follow-up.</p><p><b>RESULTS</b>CAPV was successful in all patients. The recurrence rate of AF in Group B was significantly lower than that in Group A at 3 months post CAPV (13.5% vs. 37.8%, P < 0.01) and similar thereafter (29.7% vs. 24.3% at 12 months and 8.1% vs. 8.1% at more than 12 months, all P > 0.05). There was also no significant difference in terms of total recurrence rate between the two groups (37.8% vs. 32.4%, P > 0.05).</p><p><b>CONCLUSION</b>Post CAPV antiarrhythmic drug therapy could only decrease the early AF recurrence rate but was not effective for decreasing AF recurrence rate on later stage.</p>

Effects of rehabilitation training on endothelial function and collateral circulation in patients underwent PCI / 中华物理医学与康复杂志

Objective To investigate the effects of rehabilitation and exercise training on endothelial func- tion and collateral circulation in patients with coronary heart disease(CHD)who underwent PCI.Methods Sixty- three cases were divided into three groups:group A undertook rehabilitation protocol with three stages,group B with additional extracorporeal counterpulsation in addition to the intervention of group A,group C acted as control.The Bruce submaximal treadmill,coronary angiography and Doppler were conducted for evaluation of the functional per- formance,lateral branching and endothelium function.Results(1)The value of RPP and RPE of groups A and B were significantly higher than those of the control group as quantified by exercise test alter the third stage of rehabilita- tion(P