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Olabiyi Olawale - - 2012
Anomalous origins of both the left and right coronary arteries are rare but have been well documented when both arteries arise from the pulmonary trunk (Angelini et al., Circulation 105:2449-2454, 2002). An anomalous coronary arterial origin from the pulmonary arteries usually involves the left coronary artery (ALCPA) and less frequently ...
Bokov Plamen - - 2012
PURPOSE.: To assess the influence of cardiovascular risk factors on arterial wall growth and the remodeling process. METHODS.: In a theoretical part, we used a well-established relationship linking the rate of thickening of the arterial wall to the circumferential wall stress (CWS) increase. In a clinical part, we measured the ...
Saremi Aramesh - - 2012
To determine the effect of statin use on progression of vascular calcification in type 2 diabetes (T2DM). Progression of coronary artery calcification (CAC) and abdominal aortic artery calcification (AAC) was assessed according to the frequency of statin use in 197 participants with T2DM. After adjustment for baseline CAC and other ...
Demondion X - - 2012
The intervertebral foramen is an orifice located between any two adjacent vertebrae that allows communication between the spinal (or vertebral) canal and the extraspinal region. Although the intervertebral foramina serve as the path traveled by spinal nerve roots, vascular structures, including some that play a role in vascularization of the ...
Blanke Philipp - - 2012
BACKGROUND: TO RETROSPECTIVELY INVESTIGATE THE POTENTIAL CAUSE OF CONTAINED RUPTURE OF THE AORTIC ROOT IN BALLOON-EXPANDABLE TRANSCATHETER AORTIC VALVE IMPLANTATION (TAVI) BY MEANS OF PRE- AND POSTINTERVENTIONAL MULTISLICE COMPUTED TOMOGRAPHY.METHODS AND RESULTS: SEVENTY-TWO PATIENTS (MEAN AGE 827 YEARS, MEAN AORTIC VALVE AREA 0.690.19 CM(2)) UNDERWENT BALLOON-EXPANDABLE TAVI USING THE EDWARDSSAPIEN ...
Yue Brian Yin Ting - - 2012
Postoperative spinal wound dehiscence is a significant complication following the posterior midline approach. It is postulated that this approach disrupts the vasculature supplying the paraspinal muscles and overlying skin. Although the spinal vasculature has been investigated previously, the smaller arterioles have not been described in the context of the posterior ...
Elstner Kristen - - 2012
Schwannoma (neurilemmoma) originating from the pulmonary artery has not before been described. A 65 year-old male presented with dyspnoea on exertion. CT scan was negative for pulmonary thromboembolism, but showed a well circumscribed, heterogeneous mass, 52mm×45mm×41mm, straddling the left pulmonary artery and compressing the left atrium. The mass was found ...
Aoun Salah G - - 2012
BACKGROUND: Spinal artery aneurysms associated with aortic coarctation are exceptionally rare, with only 8 cases reported in the literature that we are aware of, and treatment of the aneurysm described only in one of them. Aortic coarctation often results in an aberrant collateral circulation with hyperdynamic flow and potential spinal ...
Laborda Alicia - - 2012
Bronchial artery embolization (BAE) is the treatment of choice for massive hemoptysis with rare complications that generally are mild and transient. There are few references in the medical literature with acute cerebral embolization as a complication of BAE. We report a case of intracranial posterior territory infarctions as a complication ...
Venieratos Dionysios - - 2012
The anatomy of the celiac trunk and its branches was examined in 77 adult human cadavers of Caucasian (Hellenic) origin. The celiac trunk followed the normal pattern, namely trifurcation to the common hepatic, splenic, and left gastric arteries, in 90.9% of the dissections (70/77). Two different types of trifurcation were ...
Takechi Masaki - - 2012
We report a rare case of coronary anastomoses in an 83-year-old male cadaveric heart. Anomalous vessels arose from the right sinus of the aorta, left main coronary artery, left anterior descending artery, left anterior medial atrial artery, and left subclavian artery. These vessels bifurcated and anastomosed, and finally connected to ...
Yan Tao - - 2012
We sought to explore the pulmonary haemodynamic changes in rheumatic mitral stenosis patients with secondary pulmonary hypertension. The pulmonary artery resistance and compliance of 35 patients with rheumatic mitral stenosis and 12 controls without cardiopulmonary vascular disease were evaluated by using an improved method, which is based on making calculations ...
Stroeh Katja - - 2012
The case of a 22-year old male patient who presented with a congenital coronary arterial fistula from the right coronary artery to the right ventricle is described. The arterial fistula had led to an aneurysm of the right sinus of Valsalva and the proximal right coronary artery. The aneurysm was ...
Guyton Ra - - 2012
We report three patients who had successful transcatheter aortic valve replacement (TAVR) via carotid artery access. None were candidates for thoracotomy (including minimal access incisions) and had no other vascular access sites that would accommodate the transcatheter valve sheath. Antegrade carotid perfusion and retrograde insertion of the delivery sheath maintained ...
Badr Salem - - 2012
Distal anastomotic lesions are the most common reason for venous and arterial graft failure. Redo coronary artery bypass surgery carries a higher risk for mortality and non-fatal myocardial infarction. Many operators therefore consider percutaneous coronary intervention as a good alternative for relieving angina symptoms in this subset of patients with ...
Magalhães Marco A - - 2012
We report a case of transcatheter aortic valve implantation (TAVI) with the self-expanding Medtronic CoreValve bioprosthesis (Medtronic, Minneapolis, Minnesota) through a diseased left common carotid (LCC) artery. This 81-year-old male patient presented with heart failure due to a severe degenerative aortic valve stenosis. Comorbidities included diabetes, hypertension and dyslipidemia as ...
Chugh Sanjay Kumar - - 2012
OBJECTIVES: To assess feasibility & utility of imaging of both arms using ultrasound to facilitate transradial & transulnar coronary angiograms (CA) and intervention. BACKGROUND: Despite well recognized advantages, trans-radial approach (TRA) has challenges that reduce procedural success including small arterial size, anatomical variations & anomalies of radial artery. The utility ...
Seker Fatih - - 2012
INTRODUCTION: Cerebral vasospasm is a severe complication of subarachnoid hemorrhage (SAH). The calcium channel inhibitor nimodipine has been used for treatment of cerebral vasospasm. No evidence-based recommendations for local nimodipine administration at the site of vasospasm exist. The purpose of this study was to quantify nimodipine's local vasodilatory effect in ...
Chandra Abhijit - - 2012
PURPOSE: Antropylorus transposition in the perineum for end-stage anal incontinence has shown to be feasible in humans. Vascular anatomy of the antro-pyloro-duodenal area is critical in preventing complications and increasing pyloric graft survival. This study was undertaken to examine the vascular anatomy of antro-pyloro-duodenal area in an attempt to safeguard ...
Shabanian Reza - - 2012
The fundamental role of pulmonary vascular resistance in the Fontan circulation is obvious. Medications decreasing this resistance may have an impact on the fate of this population. Hence, we assessed noninvasively the effect of oral sildenafil on the ventriculo-arterial coupling in patients with Fontan circulation. In a single-center, prospective case ...
Aydin Suna - - 2012
This study aimed to examine the effects of CPB on salusin-α, salusin-β and apelin-36 bioactive peptides in people who are planned to undergo coronary artery bypass graft (CABG) operation due to coronary artery disease and to explore whether these peptides are produced in human aortic, saphenous and arterial tissues. The ...
Milisavljevic M - - 2012
Duplication of the superior vena cava (SVC), associated with an aberrant left hepatic vein (LHV), was found in one of the 58 dissected specimens. The right SVC virtually showed a typical appearance. The persistent left SVC, which drained into the right atrium via the enlarged coronary sinus, was formed by ...
Yang Zhao-Hua - - 2012
Endovascular treatment has emerged as a less traumatic alternative treatment for several diseases of the thoracic aorta. However, the complications of the endovascular management of ascending aortic dissections are still high. We present a case of two iatrogenic complications after endovascular repair (EVAR) of type A (ascending) aortic dissection. Retrograde ...
Uchino Akira - - 2012
Rarely, the ophthalmic artery (OA) arises from the cavernous segment of the internal carotid artery (ICA) inferolaterally and enters into the orbit via the superior orbital fissure. This anomalous OA that originates from the inferolateral trunk is regarded as a persistent dorsal OA. Extremely rarely, both normal OA and persistent ...
Gutzeit Andreas - - 2012
INTRODUCTION: The purpose of the present study was to analyze complications following antegrade puncture of the common femoral artery (CFA) and the superficial femoral artery (SFA) using vascular closure systems (VCS). METHODS: A single-center, retrospective study was performed after obtaining approval from the institutional review board and informed consent from ...
Fansa Hisham - - 2012
ABSTRACT: The internal mammary artery (IMA) is the standard recipient vessel for autologous breast reconstruction. To save the IMA for bypass surgery, to keep flap pedicles short, and to allow better flap positioning, the IMA perforators were used. Forty-six flaps for immediate breast reconstructions were performed in 39 patients. In ...
Piola Marco - - 2012
The present contribution reviews recent progress in bioengineering approaches used to mimic arterial hemodynamic conditions in vascular grafts and vessel substitutes used in vascular surgery. While implantation of vascular bypasses is still the primary option for cardiac and vascular surgeons to recover blood perfusion in cardiac and peripheral ischemic tissues, ...
Farnoush A - - 2012
BACKGROUND AND PURPOSE:EL associated with ruptured aneurysms is higher than that for unruptured aneurysms. In this study, the effect of arterial morphologic variation of bifurcation aneurysms on EL was investigated in idealized models of middle cerebral artery aneurysms.MATERIALS AND METHODS:Bifurcation angle configuration and DA ratio were evaluated in 6 idealized ...
Warwick Geoffrey - - 2012
Over the last decade, several new agents have been developed for the treatment of pulmonary arterial hypertension (PAH), and blood biomarkers have been developed which aim to monitor such treatment, and which correlate well with physiological parameters, symptoms and mortality. However, little is known regarding biomarkers collected using non-invasive methods ...
Iwai Toshinori - - 2012
It is recognized that the branches of the external carotid artery (ECA) can show variation, but the presence of a thyrolinguofacial trunk is extremely rare and always originates from the ECA. We report a case of the thyrolinguofacial trunk arising from the carotid bifurcation (CB) on the left side in ...
Haddad Samuel - - 2012
A 60-year-old man had progressive paraparesis, paresthesia of both lower limbs and sphincter dysfunction. He underwent MRI, which revealed perimedullar abnormal vascular channels associated with a hypersignal in the thoracolumbar cord. Because of the patient's age and symptomatology, a dural arteriovenous shunt was first suspected. MRA confirmed dilatation of the ...
Zhao H - - 2012
BACKGROUND AND PURPOSE:We have developed a new thermosensitive liquid embolic agent, PIB nanogel, that can be solidified at body temperature. We thus further investigated the distribution, durability of vascular occlusion, and inflammatory reactions of PIB in embolization of the renal artery of rabbits.MATERIALS AND METHODS:The bilateral renal arteries of 9 ...
Papakonstantinou Maritsa K - - 2012
BACKGROUND: The study of intraosseous vasculature has always been challenging due to the hard, calcified structure of bone. Techniques used to study intraosseous vasculature usually involve diaphanization with a Spalteholz technique, followed by X-ray imaging to display the radio contrast-injected blood vessels. These techniques produce results with fine detail when ...
Nalamada Keerthana - - 2012
Vertebral artery origin anomalies are typically incidental findings during angiography or post mortem examination. We present two cases of vertebral origin from the right common carotid artery in association with an aberrant right subclavian artery. We also review the embryonic development and the clinical significance of this anomaly.
Jo H-W - - 2012
INTRODUCTION: Pseudoaneurysms are caused by rupture of arteries with extravasation of blood. The compressed perivascular tissue forms the wall of aneurysmal sac. Pseudoaneurysm directly related with surgical procedure of sagittal split ramus osteotomy (SSRO) was reported quite rarely especially related with facial artery during the vertical osteotomy. CASE REPORT: SSRO ...
de Man Frances S - - 2012
Patients with idiopathic pulmonary arterial hypertension (iPAH) often have a low cardiac output. To compensate, neurohormonal systems such as the renin-angiotensin-aldosterone system (RAAS) and the sympathetic nervous system are up-regulated, but this may have long-term negative effects on the progression of iPAH. Assess systemic and pulmonary RAAS activity in patients ...
Lal Brajesh K BK Division of Vascular Surgery, Department of Surgery, University of Maryland Medical School, Baltimore, MD, - - 2012
In the Carotid Revascularization Endarterectomy versus Stenting Trial (CREST), the composite primary endpoint of stroke, myocardial infarction, or death during the periprocedural period or ipsilateral stroke thereafter did not differ between carotid artery stenting and carotid endarterectomy for symptomatic or asymptomatic carotid stenosis. A secondary aim of this randomised trial ...
Kalambokis George N - - 2012
Terlipressin has been shown to improve both pulmonary and systemic hemodynamics in stable cirrhotic patients with pulmonary hypertension, whereas other vasoconstrictors may cause pulmonary pressures to deteriorate. We investigated the pulmonary and systemic hemodynamic effects of the first terlipressin dose (2 mg) in 7 cirrhotic patients with PH presenting with ...
Markota Andrej - - 2012
In normal circumstances central venous to arterial pCO(2) difference is approximately 1 kPa (7.5 mmHg). In shock states it is usually increased. We sought to evaluate the agreement between admission central venous to arterial pCO(2) difference and mortality in patients with acute myocardial infarction and cardiogenic shock. We hypothesized that patients with ...
Feldman Mark - - 2012
There is limited and disparate information about the extent of the respiratory compensation (hypoventilation) that occurs in response to a primary metabolic alkalosis in humans. Our aim was to examine the influence of the plasma bicarbonate concentration, the plasma base excess, and the arterial pH on the arterial carbon dioxide ...
Alcocer Alejandro - - 2012
Ostial left anterior descending artery stent implantation was performed, while trying to cross another stent through the left main coronary artery into the left circumflex artery the stent was detached from the delivery balloon, subsequently jamming the stent of the ostial left anterior descending artery stent. Removing the detached stent ...
Ozkan Birol - - 2012
Coronary subclavian steal syndrome refers to decreased or reversed internal mammary artery flow, which causes angina related to severe subclavian steno-occlusive disease in patients with in situ internal mammary-to-coronary artery graft. We present a 48-year-old man with cerebrovascular and peripheral artery disease and the first case in the literature of ...
Wilder Michael J - - 2012
ABSTRACT: Study Design. Case reportObjective. We report a case of delayed anterior spinal artery syndrome (ASAS) after repair of aortic coarctation in which the symptoms did not appear until six months after surgery.Summary of Background Data. Residual dilatation of the ASA after surgery can mimic a dilated intraspinal vein which ...
Komatsu Takaaki - - 2012
Coronary artery fistulae can present late in adult life. We describe the case of a 71-year-old woman who developed a right coronary fistula, which was managed by percutaneous transbrachial coil embolization. Complete closure of the fistula was confirmed by follow-up angiography at 10 months.
Gu Jian-Jian - - 2012
BackgroundPartial splenic artery embolization is an effective treatment for hypersplenism but often lacks long-term benefits.PurposeTo evaluate the long-term effects of coil embolization of the splenic artery in patients with liver cirrhosis and hypersplenism.Material and MethodsForty-nine patients with liver cirrhosis and hypersplenism underwent coil embolization of the main splenic artery. The ...
Islamoglu Y - - 2012
In the presence of resistance to circumferential expansion of atherosclerotic plaques due to mechanical dilation high shear stresses between stiff plaques and normal vessel segments may occur and thus may result in coronary dissection. Limited data are available on the clinical and angiographic outcome of severe (type E, type F) ...
Guzman Edgar D - - 2012
The presence of an aberrant right subclavian artery arising from the proximal descending aorta is a relatively common anomaly of the aortic arch. These vessels may be involved in aortic dissections, either as the site of the primary intimal tear or as a dissected aortic branch, subject to flow limitation ...
Michael Tesfaldet T - - 2012
Guide catheter kinking and fracture is an uncommon complication of percutaneous coronary intervention and may require emergency surgical intervention if percutaneous retrieval fails. We present a case of guide catheter kinking and fracture during attempts to engage the left main coronary artery in a patient with marked iliac tortuosity. The ...
Egred Mohaned - - 2012
The novel approach of using excimer laser in a contrast medium for treating an under-expanded stent in a calcified coronary artery is described. In this first reported case, the laser in a contrast medium was used to treat an under-expanded stent deployed 18 months prior in a calcified non-dilatable coronary ...
Mohite Prashant N - - 2012
Bleeding from the proximal suture line is not uncommon after composite graft anastomosis in the Bentall procedure. The passage of valve sutures through the aortic valve leaflets interposed between the pledgets and the cuff of the composite valved conduit strengthens the repair.
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