Transradial coronary angiography and intervention are increasing in frequency due to lower major vascular access site complications and the potential for early mobilization. However, the small size of the radial artery (RA) is a major limitation of this technique. A sheathless guiding catheter (GC) has recently been introduced that has ...

Superselective ophthalmic artery chemotherapy (SOAC) has recently been proposed as an alternative to intravenous chemoreduction for advanced intraocular retinoblastoma. Preliminary results appear promising in terms of tumor control and eye conservation, but little is known regarding ocular toxicity and visual prognosis. In this study, we report on the vascular adverse ...

Acute massive pulmonary thromboembolism is a life-threatening disorder, and prompt treatment is necessary. We analyzed the outcome of pulmonary embolectomy for massive pulmonary embolism. Nineteen patients who underwent pulmonary embolectomy were retrospectively investigated. Average age of patients was 59 years, and 79% were female. Most patients had massive or submassive ...

Early hepatic arterial thrombosis after living-donor liver transplantation is a cause of graft loss and patient mortality. We analyzed early hepatic arterial thrombosis after pediatric living-donor liver transplantation. Since September 2001, we performed 122 living-donor liver transplants on 119 children. Ten hepatic arterial thromboses developed in the early postoperative period. ...

The aim of this study was to investigate whether the liquid embolic agent Onyx, an ethylene vinyl alcohol copolymer, can be used to seal type 1 endoleaks during endovascular aortic repair (EVAR). Six patients with large aortic aneurysms and remaining type 1 endoleaks during or after EVAR were treated with ...

Effort thrombosis of the upper extremity is secondary to thrombosis of the axillary and/or subclavian veins that develop from heavy arm exertion. This case illustrates venous thrombosis of the right brachiocephalic vein in a 32-year-old man who presented with a cyst-like swelling in the right neck with no associated pain ...

Despite continued advances in creating lower-profile intracoronary balloons and stents, technical difficulties with stent deliverability are frequently encountered. Recent advances in catheter design have yielded soft ended atraumatic catheters for use within standard guide catheters - the so called double coaxial guiding catheter technique. We report our preliminary experience using ...

Vasospasm of cerebral vessels remains a major source of morbidity and mortality after an aneurysmal subarachnoid hemorrhage (SAH). The purpose of this study was to evaluate the safety and efficacy of transluminal balloon angioplasty (TBA) for SAH-induced vasospasm. Eleven patients with an angiographically confirmed significant vasospasm (>50% vessel narrowing and ...

Vertebral artery damage after cervical fracture and especially cervical dislocations is a recognized phenomenon. The incidence of significant intracranial neurology after unilateral vertebral damage is extremely rare, and to our knowledge, no such injury has been sustained while playing sport. To describe a rare vascular complication of a bifacet C5-C6 ...

Improvements in preoperative imaging and intraoperative visualization have led to a refinement in surgical techniques. Report of a 20-year experience with application of the keyhole technique as a contribution to the ongoing debate on the impact of limited craniotomies in aneurysm surgery. Over a 20-year period, 1000 consecutive patients with ...

Basilar artery occlusion has a poor prognosis, but intra-arterial revascularization therapy has been shown to improve outcome. We report the case of a 32-year-old patient who suffered recurrent basilar artery occlusion and was successfully treated first with mechanical and pharmacological thrombolysis, then with stenting, in 2 separate angiographic sessions. An ...

Surgery for thoracoabdominal aortic aneurysms remains challenging, with high mortality and morbidity rates despite overall improvements in the outcome of aortic surgery. Paraplegia and paraparesis remain devastating complications that severely restrict the chance of survival as well as the postoperative quality of life. Preventive measures vary considerably because the causes ...

Coronary artery perforation (CAP) is an infrequent yet a very dangerous complication of percutaneous coronary intervention. We describe the successful treatment of a guidewire-induced distal coronary branch vessel perforation using localized distal injection of intracoronary thrombin with a microcatheter. This technique appears to be safe and effective for the treatment ...

BACKGROUND: Angiographic and clinical outcomes associated with coronary stents eluting the new molecular entity zotarolimus have been well characterized in a variety of geographies and patient subsets. The Endeavor Japan study is the first prospective clinical trial to evaluate the safety and efficacy of the Endeavor zotarolimus-eluting stent (ZES) in ...

BACKGROUND:: Cerebral vasospasm (VSP) is a major cause of morbidity and mortality associated with subarachnoid hemorrhage (SAH). The current endovascular paradigm for vasospasm refractory to medical therapy is to perform angioplasty for proximal vessel VSP, and vasodilator infusion for distal vessel VSP. OBJECTIVE:: The authors report their experience of a ...

Endovascular repair of inflammatory aortic aneurysms has been reported as an alternative to open surgical treatment. In selective cases, adjunctive bypass surgery may be required to provide an adequate landing zone. We report a case of endovascular repair of an inflammatory aortic aneurysm in a patient with Behçet's disease using ...

BACKGROUND.: Human allografts and pulmonary autografts offer many advantages as an aortic valve and root substitute. The progressive degeneration of the aortic allograft and the pulmonary autograft has been seen as an important disadvantage, and the need for a reoperation has been perceived as challenging and risky for the patients. ...

The aim of the present study was to delineate preoperative factors that may predict perforator injuries following open surgery for an unruptured middle cerebral artery (MCA) aneurysm. The authors conducted a retrospective review of 85 consecutive patients who underwent surgical clipping of 91 unruptured MCA aneurysms. In addition to demographic ...

OBJECTIVE: To assess the diagnostic value of 3D CEMRA in TA compared with DSA. METHODS: Twenty-two patients with clinically suspected TA based on 1990 ACR criteria for the classification of TA, were included in this study. There were 16 female and 6 male patients with ages ranging from 11 to ...

BACKGROUND:: Neurovascular surgeons have been trying to find a solution to the problem of surgical invasiveness by applying minimally invasive keyhole approaches. OBJECTIVE:: To evaluate the feasibility and surgical outcomes of a superciliary keyhole approach for unruptured intracranial aneurysms (UIAs) as an alternative to a pterional approach. METHODS:: The authors ...

A prenatally diagnosed patient was referred to our hospital at 35 weeks of gestation. Antenatal ultrasonography demonstrated cardiomegaly and aneurysm of the vein of Galen. A 3,290 g male baby was delivered by elective cesarean section at 37 weeks of gestation. Physical examination was remarkable for tachypnea, hyperdynamic precordium with a ...

OBJECTIVE: To prospectively compare the efficacy of 40-row multidetector computed tomography angiography (MDCTA) and duplex ultrasonography (DUS) to diagnose mild peripheral arterial occlusive disease (PAOD) in lower leg and to search whether MDCTA can be used as a screening tool. METHODS: Forty-three patients with intermittent claudication and leg pain, diagnosed ...

BACKGROUND: Placing a totally implantable venous access device (TIVAD) using the classical subclavian vein puncture method carries the risk of certain complications including hemothorax, pneumothorax and pinch-off syndrome. We set out to determine whether percutaneous axillary vein catheterization can decrease the incidence of these complications. METHOD: This is a prospective, ...

We report a single-center experience using the hybrid procedure, consisting of open debranching, followed by endovascular aortic repair, for treatment of arch/proximal descending thoracic/thoracoabdominal aortic aneurysms (TAAA). From 2005 to 2010, 51 patients (33 men; mean age, 70 years) underwent a hybrid procedure for arch/proximal descending thoracic/TAAA. The 30-day and ...

Abstract  We present the case of a 72-year-old male who was diagnosed with a saphenous vein graft pseudoaneurysm, detected on routine chest echocardiogram 13 years after undergoing coronary artery bypass graft surgery. Intraoperative transesophageal echocardiography revealed the pseudoaneurysm to be causing functional tricuspid stenosis, which was relieved after surgical excision ...

The serine protease inhibitor antithrombin III (AT-III), an α2-globulin synthesized in the liver and endothelial cells, is the principal in vivo inhibitor of blood coagulation inactivating mainly thrombin. AT-III deficiency presents a rare hereditary or acquired disorder that most often comes to light when a patient suffers recurrent venous thrombosis ...

Subintimal angioplasty (SA) is becoming increasingly accepted as a revascularization technique for chronic arterial occlusive disease. However, its efficacy in iliac artery occlusions has not been established. Therefore, we investigated the procedural and clinical outcomes of subintimal angioplasty in long iliac artery occlusions and compared them with those of intraluminal ...

OBJECTIVES: We sought to compare long-term outcomes after coronary bypass surgery with and without an internal thoracic artery graft. METHODS: We analyzed clinical outcomes over a median follow-up of 6.7 years among 3,087 patients who received coronary bypass surgery as participants in one of 8 clinical trials comparing surgical intervention ...

OBJECTIVE: To assess the usefulness of completion angiography in the prevention of stroke, carotid occlusion and residual stenosis after primary carotid endarterectomy (CEA) in the setting of a teaching hospital. MATERIAL AND METHODS: From January 1995 to August 2009, 1055 consecutive patients having 1179 CEAs were entered in a prospective ...

Abstract Late stent thrombosis represents a life-threatening event, usually triggered by inadequate antiplatelet therapy and promoted by multiple risk factors, such as stenting of a chronic total occlusion, overlapping stenting, an abnormal vascular response to the eluted drug, stent malapposition and stent fracture. A 57-year-old man with aspirin hypersensitivity underwent ...

Percutaneous intervention carries a higher risk of distal embolization and poorer outcome in saphenous vein grafts (SVG) than in native coronary vessels. Embolic protection devices (EPD) have demonstrated value in decreasing the risk of embolization and post-procedural enzymes elevation after SVG intervention. Although there is ample evidence to support the ...

BACKGROUND:: The anterior communicating artery (AcoA) aneurysm is one of the most challenging aneurysms. As endovascular techniques evolve, a remaining challenge is the reduction of complications related to the surgical approach. Although the endonasal approach is widely used for pituitary adenomas and is increasingly popular for suprasellar tumors, only two ...

We present an uncommon case of symptomatic atherosclerotic occlusive disease of all supra-aortic arch vessels and its surgical treatment by total aortic arch rerouting after endarteriectomy of all target vessels. Keywords: Supra-aortic arch vessels; Atherosclerotic occlusive disease; Extra-anatomical bypass; Hyperperfusion syndrome.

BACKGROUND: Access-related problems are one of the major causes of morbidity in elderly patients with chronic kidney disease. The aim of this study was to assess potential risks and benefits in elderly patients comparing forearm arteriovenous fistula (AVF) and perforating vein AVF below the elbow for primary vascular access. METHODS: ...

BACKGROUND: Cerebral vasospasm has become the most concerning complication in patients with aneurysmal subarachnoid hemorrhage (aSAH) seen in the neurosciences intensive care unit (NSICU). Hemodynamic augmentation is frequently used to treat cerebral ischemia from vasospasm. In the last 5 years, posterior reversible encephalopathy syndrome (PRES) has been reported in three single ...

INTRODUCTION: Prosthetic grafts are used for infra-inguinal bypass when autogenous veins, are inadequate but have poorer patency and greater risk of graft infection. We report the use of femoro-popliteal vein (FPV) for such cases. REPORT: FPV was used in 20 infra-inguinal bypasses (14 combined with other veins). 11 were primary ...

Abdominal aortic injury as a result of blunt trauma is a rare event and has been described in few children. A 6-year-old girl presented with acute bilateral lower extremity ischemia, and a triad of acute aortic occlusion, intra-abdominal visceral injury, and a lumbar chance fracture after sustaining a seat belt ...

OPINION STATEMENT: Cerebrovascular disease remains a leading cause of morbidity, mortality, and health care expenditure in the United States. Approximately 80% of strokes are ischemic in origin, with 20% to 25% due to atherosclerotic disease of the carotid artery. It is well established that untreated, symptomatic carotid stenosis confers a ...

PURPOSE: To evaluate the effectiveness and safety of covered stents for the management of iatrogenic arterial injury. MATERIALS AND METHODS: Between 03 / 1998 and 12 / 2009, 31 patients underwent selective covered stent implantation after iatrogenic arterial injury. 12 / 31 of these patients (38.7 %) were hemodynamically unstable. ...

Basilar artery occlusion (BAO) is generally considered an emergency and is associated with high mortality and poor functional outcome. Although cases with more benign course without thrombolysis treatment have occasionally been reported, to our knowledge there is only one previous report in which angiography, almost accidentally revealed a clinically unsuspected ...

Acute pancreatitis is a rare side effect of non-selective transcatheter arterial chemoembolization (TACE) of hepatocellular carcinoma with an incidence ranging from 2% (clinical pancreatitis) to 40% (biological pancreatitis). This complication, due to embolization of extrahepatic arterial collaterals, has never been reported for treatment of well-differentiated endocrine carcinoma. We report here ...

We report endovascular thoracic and abdominal aneurysm repair (EVAR) with reverse chimney technique in a patient with contained ruptured type B dissection. EVAR seems feasible as a bailout option in Marfan patients with acute life-threatening disease.

PURPOSE: Division of the gastroduodenal artery is commonly performed during pancreaticoduodenectomy for both malignant and benign disease. We describe here a technical modification of pylorus preserving pancreaticoduodenectomy with gastroduodenal artery preservation performed in a patient who previously underwent subtotal esophagectomy with gastric pull-up discussing advantages and drawbacks of the technique. ...

The primary aim of this study is to assess the value of intraoperative near-infrared indocyanine green videoangiography (ICGA) during intracranial aneurysm surgery. Altogether, 129 patients harboring 152 intracranial aneurysms were recruited in this study between March 2007 and December 2008 and the clinical data were retrospectively analyzed. Intraoperative ICGA was ...

Patients with acute iliofemoral deep venous thrombosis often experience severe postthrombotic complications that result from venous obstruction and valve incompetence. Conventional anticoagulation prevents thrombus extension, fatal pulmonary embolism, and recurrence of the deep venous thrombosis, but it can hardly minimize the postthrombotic complications. Whether early thrombus removal significantly reduces the ...

Objectives: The aim of this study was to review the six-year results of the endovascular repair of descending thoracic aortic pathologies, reporting the early perioperative outcomes as well as the mid-term follow-up of the treated patients. Methods: Fifty-five consecutive patients who underwent endovascular repair for thoracic aortic pathology (29 aneurysms, ...

BACKGROUND: Central venous catheterization is increasingly performed as a temporary vascular access for hemodialysis therapy in developing countries and it can be associated with serious complications. Iatrogenic common carotid artery-jugular vein arteriovenous fistula is a rare but serious complication of internal jugular vein catheterization for hemodialysis access. Few cases of ...

Patients with malignant liver tumors, whether primary tumors or metastases, that are not candidates for surgical treatment can benefit from different endovascular treatments with proven efficacy in local control of the disease. Correct treatment requires a careful angiographic technique and precise knowledge about the vascular anatomy afferent to the lesion. ...

The gold standard for the treatment of abdominal aortic infections remains controversial. Cryopreserved arterial homografts and silver-coated Dacron grafts have both been advocated as reasonable grafts. Direct clinical or experimental comparisons between these two treatment options have not been published before. This study compared cryopreserved arterial homografts and silver-coated Dacron ...

We examined the relationship between the presence and extent of coronary stenosis and carotid intima-media thickness (CIMT) in type 2 diabetic patients without history of coronary artery disease (CAD) but with carotid atherosclerosis. A total of 91 type 2 diabetic patients underwent multi-slice computed tomography coronary angiography. Max-IMT in the ...