نتایج جستجو برای: asymmetry factor af
تعداد نتایج: 896453 فیلتر نتایج به سال:
Atrial fibrillation (AF) is the most common post-operative complication in patients undergoing coronary artery bypass grafting, with an increased incidence associated with advancing age. This study aims to determine whether off-pump coronary artery bypass (OPCAB) reduces the incidence of AF in a generalized population (mean age <70 years). A meta-analysis was performed including all randomised ...
background higher life expectancy and increased ischemic heart disease (ihd) have resulted in increasing number of the elderly patients undergoing cardiac surgeries. age along with many other comorbidities influence the outcome of major surgeries in the elderly patients; hence, case selection before major surgeries is challenging. objectives the pure effect of age after adjusting for other majo...
BACKGROUND Timing and trajectories of cardiovascular risk factor (CVRF) development in relation to atrial fibrillation (AF) have not been described previously. We assessed trajectories of CVRF and incidence of AF over 25 years in the ARIC study (Atherosclerosis Risk in Communities). METHODS We assessed trajectories of CVRF in 2456 individuals with incident AF and 6414 matched control subjects...
Atrial fibrillation (AF) is a major risk factor for stroke, especially in the elderly. Increased life expectancies mean that AF-related stroke is a growing global public health concern. Improvements in the detection, treatment and prevention of the consequences of AF have occurred in recent years. However, the extent to which these improvements have impacted on the prevalence of AF, the risk of...
BACKGROUND Studies have suggested that patients with atrial fibrillation (AF) have impairment in the baroreflex. It is not clear whether these findings are the result of the associated comorbid conditions or the arrhythmia itself. We hypothesized that AF is associated with impairment in baroreflex function and that the arrhythmia itself is a contributing factor. METHODS AND RESULTS Twenty-fou...
BACKGROUND Identification of patients vulnerable for atrial fibrillation (AF) after major thoracic surgery will allow targeting those most likely to benefit from prophylactic therapy. The goal of the current study was to evaluate the accuracy of easily available clinical characteristics for the prediction of this complication. METHODS Patients undergoing major elective thoracic surgery were c...
Background-—Left atrial appendage (LAA) exclusion has been performed in patients with atrial fibrillation (AF) to prevent thrombus formation and subsequent cardioembolic events. Left atrial electrical remodeling is a recognized factor in the recurrence of AF. The effects of LAA exclusion on P-wave characteristics and left atrial electrical remodeling have not been well described. The purpose of...
Uremic Toxins - Novel Arrhythmogenic Factor in Chronic Kidney Disease - Related Atrial Fibrillation.
Atrial fibrillation (AF) is the most common cardiac arrhythmia. Chronic kidney disease (CKD) is associated with a high prevalence of AF, and uremic toxins are an important risk factor for cardiovascular diseases associated with CKD. Uremic toxins can produce pro-fibrotic, pro-hypertrophic, and pro-inflammatory effects on cardiac tissues and enhance oxidative stress or neurohormonal phenomena of...
هدف: به منظور دستیابی به سلول های پروژنیتوری-عصبی شبکیه، کشت سلول های اپیتلیوم رنگدانه دار شبکیه (rpe) انجام شد و سپس این کشت تحت تاثیر مایع آمنیوتیک انسانی (af) قرار گرفت. روش ها: سلول های rpe جداسازی شده از کره های چشم اجساد انسانی در سنین جنینی تا نوزادی (که بیش از 24 ساعت از زمان مرگ آنها نگذشته بود) از بانک چشم جمهوری اسلامی ایران تهیه شد و در محیط dmem/f12 غنی شده با 10% سرم جنینی گوساله...
Ischaemic strokes resulting from atrial fibrillation (AF) constitute a devastating condition for patients and their carers with huge burden on health care systems. Prophylactic treatment against systemic embolization and ischaemic strokes is the cornerstone for the management of AF. Effective stroke prevention requires the use of the vitamin K antagonists or non-vitamin K oral anticoagulants (N...
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