Background and ObjectivesThrombospondin-1 (TSP-1) is associated with atherosclerosis in animals with diabetes mellitus (DM). But, no study has investigated the role of TSP-1 in human atherosclerosis. This study investigated the relationship among plasma TSP-1 concentration, DM, and coronary artery disease (CAD).Subjects and MethodsThe study involved 374 consecutive subjects with suspected CAD, who had undergone coronary angiography to evaluate effort angina. Patients were divided into four groups as follows: DM(-) and CAD(-), DM(-) and CAD(+), DM(+) and CAD(-), and DM (+) and CAD(+).ResultsWe found that plasma TSP-1 levels were higher in patients with DM(+) and CAD(+) (n=103) than those in other patients (n=271) (p<0.01). A multivariate analysis showed that male gender {odds ratio (OR), 2.728; 95% confidence interval (CI), 1.035-7.187}, high density lipoprotein-cholesterol (OR, 0.925; 95% CI, 0.874-0.980), glycated hemoglobin (OR, 1.373; 95% CI, 1.037-1.817), and plasma TSP-1 (OR, 1.004; 95% CI, 1.000-1.008) levels were independently associated with the presence of CAD in patients with DM.ConclusionPlasma TSP-1 levels were higher in patients with DM(+) and CAD(+) than those in other patients, and plasma TSP-1 levels were independently associated with the presence of CAD in patients with DM. These findings show a possible link between human plasma TSP-1 concentration and CAD in patients with DM.
Dysphagia aortica is difficulty in swallowing caused by extrinsic compression of the esophagus due to an ectatic, tortuous, or aneurysmatic atherosclerotic thoracic aorta. This condition is very uncommon, and it is usually associated with old age, women with short stature, hypertension, and kyphosis. We report herein a case involving a patient with dysphagia who had an aortic aneurysm.
SummarySmoking is associated with increased plasma homocysteine levels, and both are associated with an increased risk of cardiovascular disease. However, little information is available on the effects of passive smoking on the level of homocysteine in nonsmokers. We analyzed the data of self-reported never-smokers (aged ≥ 20 years, n = 3,232), who were from the Third National Health and Nutrition Examination Survey. We quantified the passive nicotine exposure by dividing the never-smokers into quartiles as based on the serum cotinine values. Multiple linear and logistic regression models were used to determine any independent relationships between serum cotinine concentration and levels of homocysteine, vitamin B12, and folate. An elevated homocysteine level was defined as a concentration greater than the 80th percentile. A reduced folate or vitamin B12 level was defined as a concentration less than the 20th percentile.After adjusting for age, gender, body mass index, race, folate and vitamin B12 levels, increased cotinine levels (quartile III and IV) were found to be associated with hyperhomocysteinemia. There was a strong nonlinear increase in the serum homocysteine levels across the quartiles of cotinine. Multivariate analysis showed that age, male gender, non-Caucasian, low levels of folate and vitamin B12, and increased serum cotinine (quartile II-IV) were independently associated with elevated homocysteine levels. In conclusion, these findings indicate that passive smoke exposure in never-smokers is positively and independently associated with plasma homocysteine levels in a dose-dependent manner. These findings may help further determine the link between passive smoking and cardiovascular events. (Int Heart J 2010; 51: 183-187)
SummaryThis study aimed to evaluate the clinical prognostic implications of postprocedural Thrombolysis in Myocardial Infarction (TIMI) flow in acute myocardial infarction patients. A total of 2796 ST-elevation myocardial infarction (STEMI) and 1720 non ST-elevation myocardial infarction (NSTEMI) patients treated in 8 hospitals affiliated with the Catholic University of Korea and Chonnam National University Hospital were analyzed. The study populations were divided according to the final TIMI flow. The primary outcome were the major adverse cardiac events (MACE), defined as a composite of cardiac deaths (CD), nonfatal myocardial infarctions (MI), and target lesion revascularization (TLR). Over a median follow-up of 3.3 years (minimum 2 to maximum 5 years), MACE and CD occurred more frequently in STEMI patients with TIMI !2 group than those with TIMI 3 (MACE: adjusted hazard ratio [aHR], 1.962; 95% confidence interval [CI] 1.513 to 2.546, P < 0.001, CD: aHR, 3.154, CI 2.308 to 4.309, P < 0.001). However, there was no significant difference between the two subgroups in NSTEMI (aHR, 0.932; 95% CI 0.586 to 1.484, P = 0.087). In STEMI patients, good postprocedural TIMI flow after PCI was associated with favorable clinical outcomes. And the effect of poor TIMI flow in STEMI was on death, not the components of MACE. Meanwhile, postprocedural TIMI flow had no effect on long-term outcomes in NSTEMI patients.(Int Heart J 2017; 58: 674-685)
Caution should be exercised when ablating the LIPV because the esophagus is located in close proximity to the left-sided PV and most of the inferior PVs in patients with AF are not covered with fat pads.
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