BACKGROUND Arteriovenous dialysis access may be lost due to stenosis and thrombosis. Patency may be restored by thrombectomy or thrombolysis, but this is often not undertaken when the presentation is delayed. The success rate of delayed intervention is largely unknown. METHODS In this single-centre study, we identified all instances of arteriovenous vascular access (VA) failure treated with a...

An abnormal communication between an artery and a vein is known as arteriovenous malformation (AVM) or arteriovenous fistula (AVF). The AVM or the AVF might be congenital in origin or even acquired. The arteriovenous communications are usually surgically made in patients undergoing repeated hemodialysis, while suffering from any chronic renal disease. The abnormal arteriovenous communications m...

Hemodialysis arteriovenous fistula is a shortcut of the systemic circulation and sometimes flow exceeds 2 L/min. Possible hemodynamic clinical consequences are discussed.

Cerebral arteriovenous malformations infrequently complicate pregnancy. We sought to determine the neurologic, obstetric, and ethical significance of such malformations. We present the clinical course of 2 pregnant women with arteriovenous malformations who experienced cerebral hemorrhage and a loss of capacity for decision making. We also review the neurologic and obstetric significance of art...

Epileptic seizures are a common presentation in patients with newly diagnosed brain arteriovenous malformations, but the pathophysiological mechanisms causing the seizures remain poorly understood. We used magnetic resonance imaging-based quantitative cerebrovascular reactivity mapping and conventional angiography to determine whether seizure-prone patients with brain arteriovenous malformation...

New application of methods for monitoring cerebral blood flow and cerebral arteriovenous oxygen, glucose, lactate and ammonia differences are described. Results of trials of their validity in monkeys during experimental procedures are described. The apparatus includes infrared gas analyzers for monitoring arteriovenous differences after diffusion of nitrous oxide tiirough silastic, electromagne...

INTRODUCTION Renal replacement therapy is the treatment of end-stage chronic kidney disease and can be performed through dialysis catheters, arteriovenous fistulas/grafts, and peritoneal dialysis. Patients are usually immunocompromised and exposed to invasive procedures, leading to high rates of infection and increased mortality. OBJECTIVES To compare the prevalence of infection and related d...

Surgery In 1966, Brescia, Cimino and colleagues described the surgical creation of an arteriovenous fistula. Access Arteriovenous fistulae. A great variety of surgical techsurgery developed remarkably over the next decade niques and tricks are available to manage arteriovenous introducing various types and sites of anastomoses and fistula(e) complications like stenosis, thrombosis, and learning...

purpose: to describe a complicated case of traumatic carotid-cavernous fistula (ccf) and our management strategy. case report: a 13-year-old patient was referred one month following a car accident and facial trauma with severe proptosis, chemosis and limitation of ocular movement. presence of murmur and an enlarged superior ophthalmic vein on orbital imaging suggested an arteriovenous fistula. ...

An abnormal origin of the ophthalmic artery from the basilar artery, found in conjunction with an orbital arteriovenous malformation, is described. The successful treatment of the arteriovenous malformation by embolization through the ophthalmic artery is also reported.