نتایج جستجو برای: av fistulas
تعداد نتایج: 19766 فیلتر نتایج به سال:
Twenty patients with vertebral arteriovenous fistulas (eight spontaneous, six traumatic without vertebral artery transection, and six traumatic with vertebral artery transection) were treated by transvascular embolization techniques, resulting in complete fistula closure in all patients. The fistulas were located at C1-C2 in 45%, C2-C3 in 25%, C4-C5 in 15%, C5-C6 in 10%, and C6-C7 in 5%. Trauma...
Thrombosed immature fistulas have historically been considered unsalvageable. However, advances in procedure and balloon catheter technologies have expanded the scope of endovascular treatments. This study investigates the efficacy, functionality, and cost associated with the use of percutaneous techniques for the salvage of thrombosed immature fistulas. Over a 2-year period and from a populati...
Background: For coronary to pulmonary artery fistulas, operations are often indicated by the existence of myocardial ischemia or aneurysmal formations. Because lesions do not form in identical ways, a variety of surgical procedures are performed. We propose standardizing this operation for a safer and more reliable outcome. Methods: We evaluated 8 cases of operations for coronary to pulmonary a...
Gastrointestinal (GI) fistula is a well-recognized complication of acute pancreatitis (AP). However, it has been reported in limited literature. This study aimed to evaluate the incidence and outcome of GI fistulas in AP patients complicated with infected pancreatic or peripancreatic necrosis (IPN).Between 2010 and 2013 AP patients with IPN who diagnosed with GI fistula in our center were analy...
CONTEXT Management of complex anal fistulas is associated with the risk of sphincter injury and fecal incontinence. In recent years, fibrin glue has emerged as an alternative sphincter-preserving treatment for anal fistulas. To date, however, there is no consensus about the efficacy of the method. OBJECTIVE To specifically evaluate the fibrin glue injection in the management of complex crypto...
BACKGROUND Transcatheter closure of coronary artery fistulas has emerged as a successful alternative to surgery. We describe various techniques and short-term findings in 15 patients who were taken up for transcatheter closure of these fistulas. METHODS AND RESULTS Fifteen patients (aged 2-55 years; 12 males) with coronary artery fistulas underwent percutaneous transcatheter closure between J...
در این تحقیق، با استفاده از مدل واندرپل، تحلیل همزمانی دو پیس میکر اصلی قلب به نامهای گره سینوسی- دهلیزی (sa) و گره دهلیزی- بطنی (av) در شرایط مختلف از جمله تزویج یکطرفه و دوطرفه و در نظر گرفتن یا صرفنظر کردن از تاخیر با دو روش تابع توصیف و آشفتگی مورد بررسی قرار می گیرد. اگرچه پارامترهای مدل واندرپل مستقیماً متناظر با کانال های یونی سلولها نمی باشند ولی مدل واندرپل، مدل مناسبی برای گره های sa و...
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