Search Results
Results 301 - 350 of 1258
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Patel Samir N - - 2008
OBJECTIVES: We report outcomes in patients undergoing catheter-based intervention for symptomatic subclavian and innominate artery (S/IA) atherosclerosis. BACKGROUND: Symptomatic S/IA obstructive lesions have traditionally been treated with open surgical revascularization. Catheter-based endovascular therapies reduce the morbidity and mortality associated with surgery in many vascular beds. METHODS: Between December 1993 and ...
Maher James - - 2008
Asymptomatic subclavian vein occlusion following insertion of a permanent pacemaker (PPM) or implantable cardioverter-defibrillator (ICD) is not uncommon. We report a case of a dual-chamber PPM in a patient with an unrecognized left subclavian vein occlusion who developed massive left arm edema following ipsilateral implantation of an arteriovenous (AV) hemodialysis ...
Wise Roxanne - - 2008
A cervical rib, or supernumerary (extra) rib arising from the 7th cervical vertebra, is a congenital abnormality that occurs in less than 1% of the population. Clinically, it can cause obscure nervous or vascular symptoms and be difficult to diagnose. In this rare case, a 37-year-old woman developed a subclavian ...
Panagiotou Matthew - - 2008
Kommerell's diverticulum is an aortic arch deformity associated with an aberrant subclavian artery. Symptoms related to compression of adjacent structures, dilatation of the aortic diverticulum or accelerated atherosclerosis leading to increased risks of dissection and rupture represent the indications for surgical treatment. Several surgical strategies have been used for the ...
Dunning Joel - - 2008
A best evidence topic in cardiac surgery was written according to a structured protocol. The question addressed was whether the left subclavian artery may be safely covered with a descending thoracic aortic stent without a prior carotid-subclavian artery bypass or transposition procedure. Altogether 2612 abstracts were identified. Forty-five non-randomized control ...
Shennib Hani - - 2008
We report a minimally invasive, hybrid endovascular approach that was used to treat two patients with aberrant right subclavian arteries. The first patient was a 50-year-old woman who presented with dysphagia lusoria. She underwent endovascular plugging and depressurization of the aberrant artery and a carotid-subclavian bypass using right supraclavicular access. ...
Duan Yun-You - - 2008
BACKGROUND: The detection of subclavian artery (SCA) stenosis or occlusion is important, and an easy and accurate noninvasive screening method is needed. METHODS: Pulsed Doppler spectra of bilateral SCA, vertebral arteries, axillary arteries, and brachial arteries were recorded and analyzed both in patients with SCA stenosis and healthy subjects. RESULTS: ...
Vyselaar J R - - 2008
Subclavian vein thrombosis after pacemaker lead insertion is a well-described complication of pacemaker insertion. It is usually asymptomatic due to the presence of collateral venous flow but the clinical presentation is varied. This index case illustrates a typical clinical scenario and the value of computerised tomography (CT) in providing adequate ...
Cetin Ilker - - 2009
Information about the variations of the origins of subclavian and vertebral arteries and their course is of great importance for head and neck surgery. The normal vertebral arteries arise as the first branches of the corresponding subclavian arteries. In a minority of cases, the left vertebral artery could arise directly ...
Denton O J - - 2008
INTRODUCTION: Aortic arch anomalies are common; however, the presence of concomitant pathology may present a complex management problem. REPORT: A 42 year old lady with anomalous right subclavian artery was found to have recurrent coarctation of the aorta and an aneurysm related to the previous repair. Management of the aneurysm ...
Noor Nadim - - 2008
Endovascular repair is rapidly becoming the treatment of choice for thoracic aortic disease, which oftentimes involves or lies in close proximity to the left subclavian artery (LSA). In order to extend the proximal landing zone for the stent-graft and obtain an adequate seal, the LSA ostium is often covered, with ...
Vistarini Nicola - - 2008
A 50-year-old female operated of Bentall five years before was referred to our hospital for an aneurysm of both right subclavian artery and brachiocephalic trunk associated with a false anastomotic aneurysm on the insertion of the left coronary artery. The procedure was performed under moderate hypothermic circulatory arrest; the false ...
Diethrich Edward B - - 2008
Thoracic aortic endografting is proving to be extremely useful for correcting a variety of lesions with few complications. Endovascular intervention avoids sternotomy or thoracotomy, the use of chest tubes, respirators, and general anesthesia, and limits blood loss. Compared with traditional open surgery, complications such as paraplegia, renal failure, and cardiac ...
Naoum Joseph J - - 2008
Aneurysms involving a right-sided aortic arch and a right-sided descending thoracic aorta with an aberrant origin of the left subclavian artery are rare. We describe the successful surgical repair of this vascular anomaly by the combined use of a left carotid to subclavian artery bypass followed by endovascular stent-graft placement ...
Renes Steven - - 2008
In this observational study, we used Doppler ultrasound during the performance of vertical infraclavicular brachial plexus blockade. The success rate at inserting the needle at the point where the sound of the subclavian artery via Doppler reached its maximum audibility was compared with that of the classical insertion point. In ...
Domenig C M - - 2008
INTRODUCTION: Subclavian to carotid transposition (SCT) is gaining importance as an adjunct for thoracic endovascular aortic repair (TEVAR). Two different anatomical approaches are described. We reviewed our experience with both approaches to evaluate the occurrence of complications and long-term outcome. MATERIALS/METHODS: We report the outcome of 150 SCTs carried between ...
Collins Nicholas J - - 2008
Vascular complications are important and unfortunate sequelae of cardiac catheterization. We report a case of complex right subclavian artery dissection following attempted diagnostic cardiac catheterization of a right internal mammary artery (RIMA) coronary bypass graft. Subsequent dissection of the right subclavian artery involved the origin of the right vertebral and ...
Tam Karen - - 2008
True subclavian artery aneurysms are relatively rare lesions. Thoracic outlet compression is responsible for 75% of aneurysms. They are formed as a result of compression by, for example a cervical rib. We present a case of subclavian artery aneurysm secondary to a cervical rib in a 25-year-old young Asian adult, ...
Szpinda M - - 2008
PURPOSE: The present study was performed to compile normative data for dimensions of the left subclavian artery at varying gestational age. MATERIAL AND METHODS: Using anatomical dissection, digital image analysis (Leica Q Win Pro 16 system) and statistical analysis (ANOVA, regression analysis) a range of measurements (length, original external diameter, ...
Borenstein M - - 2008
OBJECTIVES: To establish the feasibility of examining the subclavian artery at 11 + 0 to 13 + 6 weeks of gestation, and to determine the prevalence of aberrant right subclavian artery (ARSA) in chromosomally normal and chromosomally abnormal fetuses. METHODS: Fetal echocardiography was performed prospectively in 516 patients before chorionic ...
Tochii Masato - - 2008
Aberrant right subclavian artery is a rare condition with a prevalence of 0.5%-2.0% of the population. We report a case of distal aortic arch aneurysm with right subclavian artery. A 75-year-old man who was asymptomatic was referred to our hospital for a thoracic aortic aneurysm. Computed tomography showed a 55-mm ...
Gupta Kamal - - 2008
We report a modified technique for advancing a catheter or sheath into the right common carotid artery when the aortic arch anatomy is unfavorable.A standard 0.035-inch guidewire is passed into the right subclavian artery, and a diagnostic catheter is threaded over it, deep into the right axillary and brachial artery. ...
Alvarez Jose Rubio J - - 2008
We report a 72 year-old man with dysphagia and dizziness. Aortography and Computed tomographic scans revealed the aberrant right subclavian artery arising from a calcified aneurysm of the Kommerell's diverticulum and bilateral carotid artery disease with atherosclerotic narrowing. Surgical relief was accomplished by excluding the aneurysm from circulation through the ...
Tokuda Yoshiyuki - - 2008
OBJECTIVE: To better understand the mechanism of stroke during cardiopulmonary bypass, it is necessary to obtain information on the location of turbulence, wall pressure, and flow distribution within the aortic arch. METHODS: Blood flow was numerically simulated using the finite element method in the following representative case: a curved arterial ...
Li Qing-Le - - 2007
A 47-year-old male patient presented with aortic dissection originating from an aberrant right subclavian artery. Intraoperative arteriography showed an anomaly of the aortic arch including a common carotid trunk and an aberrant right subclavian artery. An intimal tear was located in the aberrant right subclavian artery. Dissection retrogradely involved the ...
Golzio Pier Giorgio - - 2007
A patient required lead extraction of a dual chamber implantable cardioverter defibrillator system for a chronic pocket infection. Using a right subclavian approach, the right ventricular leads were removed by dilation/counter traction. During the procedure, the tip of the atrial lead was cut and, while the body of the lead ...
Kelly Michael D - - 2007
The aberrant right subclavian artery is present in 0.4 per cent of the population. It is usually asymptomatic and only rarely causes symptomatic esophageal compression, a condition known as dysphagia lusoria. It was diagnosed in one of 920 patients undergoing diagnostic endoscopy (223 for dysphagia) and characterized by CT scan. ...
Lau Ernest W - - 2007
BACKGROUND: The parallax principles allow the relative positions of two overlapping objects with respect to the receiver of a two dimensional image to be determined, and can reliably navigate an object to a target in three dimensional space. Navigation by parallax can direct axillary/subclavian vein puncture under fluoroscopy with a ...
Floemer F - - 2008
We present a case of Klippel-Feil syndrome and Sprengel deformity with a bovine aortic arch and an aberrant course of the left subclavian artery in a 14-year-old boy. CT and MR imaging of the neck and upper thorax demonstrated a cervical osseous segmentation anomaly, a left common carotid artery originating ...
Stapleton Claire H - - 2008
BACKGROUND: Lesions to the axillary artery are reported in overhead athletes. One speculated cause is repeated transient compression by the humeral head due to excessive laxity at the glenohumeral joint. HYPOTHESES: (1) Anterior translation of the glenohumeral joint alters axillary artery diameter and blood flow characteristics, and (2) individuals demonstrating ...
Cardaioli Paolo - - 2007
A 70-year-old man with acutely painful fingertips on the left hand, with ulceration and necrosis of the second and fourth fingertip, was referred to our centre for evaluation. Crystal cholesterol embolisation (CCE) from the left subclavian artery plaque was suspected on the basis on a normal brachial pulse. A selective ...
Takach Thomas J - - 2007
True aneurysms of the innominate artery are rare. Successful axial reconstruction in the past has required a combined cervical and transthoracic approach with placement of a prosthetic graft. We describe herein the occurrence of an innominate artery aneurysm that extended to and involved the proximal common carotid artery and subclavian ...
Jahnke Thomas - - 2008
We report a case of massive hemothorax due to inadvertent puncture of an aberrant right subclavian artery during central venous access. Iatrogenic laceration at the origin of the right internal thoracic artery was successfully treated with coil embolization of the internal thoracic artery followed by stent-graft placement into the subclavian ...
Mizukami Taketomo - - 2007
Tumescent local anesthesia (TLA), originally developed for liposuction, has found widespread application. We report a case of peripheral arterial bypass grafting under TLA. The patient was an 84-year-old female diagnosed as having coronary subclavian steal syndrome caused by proximal left subclavian artery stenosis. Because she had several risk factors for ...
Taha M M - - 2007
An aberrant right subclavian artery occurs in less than 2% of the population. An associated stenosis of the subclavian artery carries a risk of subclavian-coronary steal in patients who undergo coronary revascularization. We report on the case of a 54-year-old man admitted to our hospital for a coronary artery bypass ...
Reece T Brett - - 2007
BACKGROUND: With increased utilization of thoracic endovascular aortic repair (TEVAR), the anatomic limitations of proximal device landing zones are being challenged. As our experience has grown with TEVAR involving exclusion of the left subclavian artery (LSA), the need for selective revascularization of the LSA appeared to be more common than ...
Sanders Richard J - - 2007
Thoracic outlet syndrome (TOS) is a nonspecific label. When employing it, one should define the type of TOS as arterial TOS, venous TOS, or neurogenic TOS. Each type has different symptoms and physical findings by which the three types can easily be identified. Neurogenic TOS (NTOS) is by far the ...
Criado Frank J - - 2007
Endovascular techniques have gradually become the preferred treatment modality for occlusive disease of the supra-aortic trunks (SAT). Stenotic lesions are particularly amenable to catheter-based therapy. Standard cervical bypasses or intrathoracic reconstruction is now generally reserved for cases of extensive, multivessel involvement or after failure of previous endovascular procedures. Angiographic assessment ...
Galili Offer - - 2007
BACKGROUND: In recent years there has been an increase in endovascular repair of thoracic aortic aneurysms. In cases of insufficient neck length, occlusion of left subclavian artery achieves proper sealing and is usually well tolerated. Selected cases require revascularization of the left subclavian artery, including patients after coronary bypass surgery ...
Khan M A - - 2008
A 54-year-old man presented with a 3-year history of rest pain of an ischaemic scalp ulcer. Angiography demonstrated that the only blood supply to his head was the left internal carotid artery. Stenting the left subclavian artery and subsequently allowing flow into his left vertebral artery alleviated his symptoms.
Cuisset Thomas - - 2008
A 73 year old woman, with previous history of coronary artery bypass grafting, was admitted for refractory unstable angina. The angiography revealed a significant stenosis of the ostium of the left subclavian artery. The patient underwent successful stenting of the subclavian artery and remained symptom free until hospital discharge a ...
Amin Muhammad Umar - - 2007
Intrathoracic segment of the subclavian artery is a rare location for a peripheral arterial aneurysm. A young man presented with hoarseness of voice, diminished pulses in right upper limb and superior mediastinal widening on X-ray chest. Computed tomography (CT) scan revealed an aneurysm of right subclavian artery with thrombus in ...
Sachdev Manvinder Singh - - 2007
Innominate artery may cross the trachea and cause airway obstruction is a rare cause of vascular obstruction of airway. We describe a child with stridor, inability to extubate in whom the diagnosis was suspected on fluoroscopy and confirmed by angiography. Reimplantation of the innominate artery resulted in excellent results with ...
Pappy Reji - - 2007
A female patient with graft-dependent coronary circulation presented with vertebrobasilar insufficiency and NSTEMI (Non-ST-Elevation Myocardial Infarction) related to a 100 percent stenosis of the left subclavian artery. Our review of the medical literature indicates that this is the first reported case in which a patient presented with an anterolateral NSTEMI ...
Pride Yuri B - - 2007
Chronic upper limb ischemia is uncommon, and is most often secondary to subclavian artery stenosis. Percutaneous intervention for subclavian stenosis usually includes balloon angioplasty and stent implantation. Brachial artery stenosis is even more scarce and accounts for approximately 12% of symptomatic upper extremity ischemia. Because it is rare, the optimal ...
Rigatelli Gianluca - - 2007
Left subclavian artery stenting is usually performed through the standard femoral route using a guiding catheter technique. This technique has obvious drawbacks in the case of coronary subclavian steal due to the poor opacification of the left internal mammary artery (LIMA) ostium, and difficult access to the LIMA in the ...
Kotsis T - - 2007
Trauma involving the subclavian and axillary arteries is relatively infrequent. However, it can result in devastating functional disability of the upper limb due to significant and permanent associated neurologic deficits. Uncertainty exists in relation to certain aspects of therapeutical management of patients with trauma of the upper limb. Although decision ...
Termote Bruno - - 2008
We report the use of gadolinium-based contrast agent for both diagnostic and interventional subclavian angiography in two azotemic patients, presenting with an asymptomatic, high-grade stenosis of the left subclavian artery, ipsilateral to the site of choice for native fistula creation. Angiographic imaging performed with diluted gadolinium-based contrast material was clear ...
Ehehalt Stefan - - 2007
Multicystic encephalomalacia (ME) usually results from severe hypoxic-ischemic brain damage occurring during the late third trimester of gestation and birth. We report on a case of congenital ME due to a congenital anomaly of the aortic origin of brachiocephalic vessels resulting in subclavian steal syndrome. A 5-day-old term neonate presented ...
Schneider Jens - - 2007
A retroesophageal right subclavian artery (lusoria) is unusual for the surgeon, yet common regarding pathological findings (0.5-2%). Complications arising from it are rare (dysphagia). We report a case of traumatic descending aortic tear originating from a lusoria. The patient had experienced chest trauma due to a skiing accident. CT scan ...
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