نتایج جستجو برای: fibrillation

تعداد نتایج: 60306  

Mehdi Emadzadeh

Background: Alcohol consumption has multiple side effects on heart which can be divided to six subgroups: Heavy alcohol drinkers (80 g/day alcohol consumption) are most susceptible to cardiac complications. The aim of this study was to review alcohol side effects on heart and two present two alcoholic patients with alcoholic cardiomyopathy. Case report: Case A: A 52 year-old man presented with ...

Journal: :physiology and pharmacology 0
vahid khori golestan cardiovascular research center samaneh naeimipour alimohammad alizadeh cancer research center, tehran university of medical sciences, tehran,iran. ali haeri rouhani mona pourabouk golestan cardiovascular research center fakhri badaghabadi golestan cardiovascular research center

introduction: previous studies have indicated a relationship between mptp pore and av nodal rate-dependent properties. the aim of present study was to determine acute direct effects of cyclosporine on extracellular field potential of isolated rabbit av node during experimental atrial fibrillation. methods: in one group of male new zealand rabbits (1.5-2.5 kg) cumulative concentrations of cyclos...

Journal: :physiology and pharmacology 0
vahid khori golestan cardiovascular research center, golestan university of medical science saed saleki golestan cardiovascular research center, golestan university of medical science aref salehi golestan cardiovascular research center, golestan university of medical science alimohammad alizadeh tehran university of medical science mona pourabouk golestan cardiovascular research center, golestan university of medical science fakhri badaghabadi golestan cardiovascular research center, golestan university of medical science

introduction: electrophysiological studies have demonstrated a relationship between aging and atrioventricular (av) nodal conduction and refractoriness. the aim of the present study was to determine the effects of nodal aging on dynamic av nodal field potential recording during atrial fibrillation (af) in rabbit. methods: two groups of male new zealand rabbits (neonatal 2-week-olds and adult 12...

Journal: :acta medica iranica 0
mahdi haddadzadeh department of surgery, cardiovascular research center, shahid sadoughi university of medical sciences, yazd, iran. mahtab motavaselian department of surgery, cardiovascular research center, shahid sadoughi university of medical sciences, yazd, iran. ali akbar rahimianfar department of surgery, cardiovascular research center, shahid sadoughi university of medical sciences, yazd, iran. seyed khalil forouzannia department of surgery, cardiovascular research center, shahid sadoughi university of medical sciences, yazd, iran. mahmood emami department of surgery, cardiovascular research center, shahid sadoughi university of medical sciences, yazd, iran. kazem barzegar department of surgery, cardiovascular research center, shahid sadoughi university of medical sciences, yazd, iran.

the most common type of arrhythmia following coronary artery bypass graft (cabg) is atrial fibrillation (af) with an incidence rate of 20-30%. pericardial effusion is one of the etiologic factors of atrial fibrillation occurring after cabg. posterior pericardiotomy (pp) causes the drainage of blood and fluids from the pericardial space into the pleural space leading to a decreased pericardial e...

Journal: :the journal of tehran university heart center 0
hassan radmehr imam khomeini medical center, tehran university of medical sciences, tehran, iran. ali reza bakhshandeh imam khomeini medical center, tehran university of medical sciences, tehran, iran. mehrdad salehi imam khomeini medical center, tehran university of medical sciences, tehran, iran. pouran hajian besat hospital, hamedan university of medical sciences, hamedan, iran. ahmad reza nasr imam khomeini medical center, tehran university of medical sciences, tehran, iran.

background: new-onset atrial fibrillation (af) after cardiac surgery contributes to increased morbidity, hospital length of stay, and resource utilization. although many aspects of af after cardiac surgery have already been elucidated, the mechanism by which cardiac surgery predisposes patients to af has hitherto remained unknown. recent evidence supports the notion that blood transfusion enhan...

Journal: :research in cardiovascular medicine 0
kaushal kishore tiwari department of adult cardiac surgery, g. pasquinucci heart hospital, massa, italy; department of cardiothoracic and vascular surgery, college of medical sciences, teaching hospital, kathmandu university, bharatpur, nepal; department of cardiothoracic and vascular surgery, college of medical sciences, teaching hospital, kathmandu university, bharatpur, nepal. tel: +977-9801059361, fax: +977-56525012 tommaso gasbarri department of adult cardiac surgery, g. pasquinucci heart hospital, massa, italy stefano bevilacqua department of adult cardiac surgery, g. pasquinucci heart hospital, massa, italy mattia glauber department of adult cardiac surgery, g. pasquinucci heart hospital, massa, italy

conclusions we can conclude that treatment of af using a right-sided minithoracotomy approach and rf energy in patients undergoing cardiac surgery for various valve diseases is feasible, safe, and reproducible. objectives our aim is to evaluate the feasibility, safety, and immediate plus medium-term results of concomitant af ablation therapy in patients undergoing minimally invasive valve surge...

امینی, افشین , حاتم آبادی, حمیدرضا, سبزقبا, آنیتا, لشکری, آناهیتا, محمدی, حسین علی ,

 Background: Lack of attention to standardized guidelines has caused tragic outcome in patients with atrial fibrillation and ultimately increase of financial burden imposed on the community structure of the economic system. Therefore, the present study was aimed to assess the exposure of patients with atrial fibrillation.  Methods: A total of 506 patients with atrial fibrillation were...

بلوریان, علی اصغر, بهشتی منفرد, محمود, دباغ, علی, شاهزمانی, مهران, عرب‌نیا, محمد کاظم, فروغی, مهنوش, قدس, کامران, قمیسی, محمد, گچکار, لطیف,

Background: Atrial fibrillation is the most common but benign arrhythmia following cardiac surgery. Although this arrhythmia is often self-limited and vanishes in about 24 hours upon surgery a number of arrhythmias might ensue among which some might be really life-threatening. A multitude of therapeutic modalities have been proposed for the prevention of this arrhythmia and one of them is poste...

ژورنال: طب جنوب 2020
Anvaripour , Abdol Rasol, Eskandari , Parisa, Pouladi , Shahnaz,

Background: Coronary artery bypass graft surgery (CABG) with cardiopulmonary bypass pump may cause systemic inflammatory reactions by releasing cytokines which leads to multiple organ failure. Vitamin C has anti-inflammatory and antioxidant properties. The study aimed to determine the effect of vitamin C on inflammatory markers and atrial fibrillation in patients undergoing CABG. Materials and ...

Journal: :journal of advances in computer research 0

this study evaluates the discriminative power of sequential spectrum analysis of the short-term electrocardiogram (ecg) time series in separating normal and subjects with life threatening arrhythmias like, ventricular tachycardia/fibrillation (vt/vf). the raw ecg time series is transformed into a series of binary symbols and the binary occupancy or relative distribution of mono-sequences (i.e. ...

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