Search Results
Results 301 - 350 of 1987
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Eicken Andreas - - 2011
Aims Dysfunction of valved conduits in the right ventricular outflow tract (RVOT) limits durability and enforces repeated surgical interventions. We report on our combined two-centre experience with percutaneous pulmonary valve implantation (PPVI). Methods and results One hundred and two patients with RVOT dysfunction [median weight: 63 kg (54.2-75.9 kg), median ...
Piccinelli Marina - - 2011
BACKGROUND:: OBJECTIVE:: To quantitatively characterize the geometry of the ICA in relation to the location and orientation of lateral aneurysms, and to identify recurrent patterns associated with their rupture status. METHODS:: The geometry of 54 ICAs hosting lateral aneurysms was analyzed by means of computational geometry techniques. The ICA was ...
Viano David C - - 2011
There are a number of proposed mechanisms of traumatic aortic rupture. These experiments involved three different chest impacts that may be associated with aortic rupture. Eleven unembalmed cadavers were repressurized and impacted by a 24-34 kg mass at 8.6-14.9 m/sec. Three impact orientations were studied with the torso axis: (1) ...
Turkoglu Erhan - - 2011
Infraoptic course of the precommunicating segment of the anterior cerebral artery (A1) is a rare anomaly. Furthermore, the presence of this anomaly associated with persistent trigeminal artery variant has been reported in the literature only once. We present a patient who had infraoptic course of A1 associated with an ipsilateral ...
Polzer S - - 2011
OBJECTIVES: The role of the intraluminal thrombus (ILT) in abdominal aortic aneurysm (AAA) rupture is controversial, and it is still not clear if an ILT increases or decreases AAA rupture risk. Specifically, signs of bleeding in the ILT are considered to increase AAA rupture risk. To further explore this hypothesis, ...
Rajamannan Nalini M NM Division of Cardiology, Northwestern University Feinberg School of Medicine, Chicago, IL 60611, USA. - - 2011
The bicuspid aortic valve is a common congenital cardiac anomaly, having a prevalence of 0.9% to 1.37% in the general population and a male preponderance ratio of 2:1. The recognition of a bicuspid aortic valve is clinically relevant because of its association with aortic stenosis or regurgitation, aortic aneurysm or ...
Zotta Donato C - - 2011
Aneurysms of the distal part of the anterior-inferior cerebellar artery (AICA) are rare, with an incidence of 0.1% to 0.5%. We report a 55-year-old woman suffering from a subarachnoid hemorrhage resulting from a ruptured intrameatal aneurysm of the AICA. A left retrosigmoid craniotomy was performed and the aneurysm was clipped ...
Esmer Ali Firat - - 2011
In this study, the arterial supply of the cisternal (initial) and the subcavernous parts of the oculomotor nerve (ON) and the relation between the nerve and adjacent vascular structures like posterior cerebral artery (PCA) and superior cerebellar artery (SCA) were investigated. A total of 140 formalin fixed hemispheres from 70 ...
Ryomoto Masaaki - - 2011
Perivalvular leakage after valve replacement is an awkward complication, and is liable to recur if re-replacement of a prosthetic valve is attempted. We describe an alternative way to repair perivalvular leakage by plastering the crack resulting from left-atrial degeneration around the prosthetic cuff using an equine pericardial roll. Our technique, ...
Perko Denis - - 2011
Background: Cerebral endothelial function might be different in distinct cerebrovascular territory, thereby making these areas more susceptible to ischemia and stroke. Higher incidence and prevalence of stroke in males suggest that gender could have a strong influence on this difference. In order to evaluate cerebral endothelial function, we compared cerebrovascular ...
Chen D - - 2011
During the dissection of a 94-year-old female cadaver, an accessory suprascapular artery (SSA) was found in addition to the SSA proper. Clin.Anat., 2011. © 2011 Wiley-Liss, Inc.
Puri Ajit S - - 2011
Complications from percutaneous vertebroplasty (PV) and kyphoplasty are rare and are most commonly related to cement leakage. Pseudoaneurysm of the segmental arteries has not been reported as a complication of PV in the literature. In this article, the authors describe 2 patients who presented with a lumbar pseudoaneurysm after undergoing ...
Chen D - - 2011
During the dissection of a 94-year-old female cadaver, an accessory suprascapular artery (SSA) was found in addition to the SSA proper. Clin. Anat. 24:498-500, 2011. © 2011 Wiley-Liss, Inc.
Mieno Shigetoshi - - 2011
Infected aneurysm (IA) of the anterior interosseal artery (AIA), the first branch of the ulnar artery, is an infrequent but serious complication of infectious endocarditis (IE). We report a successful case of excision of IA arising from AIA. In this case, the IA expanded and adhered to the ulnar artery, ...
Shukla Ankur Janak - - 2011
Thoracic stent graft collapse is a rare complication of thoracic endovascular aortic repair that is mostly asymptomatic and occurs ≤ 3 months of the procedure. We describe the case of a 36-year-old man who presented with symptomatic endograft collapse 38 months after an initial thoracic endovascular aortic repair that was ...
Shin Susanna H - - 2011
Subintimal recanalization for the treatment of femoropopliteal chronic total occlusions (CTO) occasionally requires re-entry devices to access the true lumen distally, but limited information is available on factors predicting the success or failure of these devices. We evaluated the Outback LTD re-entry device (LuMend, Redwood City, Calif; acquired by Cordis ...
Dao Anh - - 2011
Eagle syndrome refers to a clinical syndrome caused by the abnormal elongation of the styloid process with calcification/ossification of the stylohyoid ligament. We present the first reported case of Eagle syndrome resulting in an external carotid artery (ECA) pseudoaneurysm. A patient presented to emergency room with an expanding, painful right-neck ...
Takeshita Kyosuke - - 2011
Double-orifice mitral valve (DOMV) is an uncommon congenital malformation characterized by two valve orifices with two separate subvalvular structures. Double-orifice mitral valve is usually associated with various other congenital malformations and isolated DOMV is rare. We describe here two adult cases of DOMV without any other malformations, examined by two- ...
Morvan T - - 2011
Described here is a case of subarachnoid hemorrhage due to rupture of an extracranial vertebral artery (V3 segment) aneurysm in a patient with neurofibromatosis type 1 (NF-1). The pathophysiology of this never-before reported complication of NF-1 is examined in the light of a focused literature review and with illustrations characteristic ...
El A S - - 2011
Arterial pseudoaneurysms are rare in oral and maxillofacial surgery, but when they occur, quick recognition and management is necessary to avoid devastating consequences. The authors report a case of a pseudoaneurysm of the external carotid artery that developed after open reduction and internal fixation of a mandibular condyle fracture.
Tekiner Ayhan - - 2011
Injuries of the vertebral artery are rare and are usually seen after penetrating or blunt cervical trauma. Vertebral artery injuries (VAI) have been reported in 0.5% of blunt trauma cases. These injuries can lead to hemorrhage, thrombosis, arteriovenous fistula or traumatic pseudoaneurysm in the early or late period. They must ...
Dubey P P - - 2011
The purpose of this study was to assess vascularity of the lunate by number of foramina and radiography of vessels of the wrist. The genesis of lunatomalacia requires some vascular risk and mechanical predisposition. The findings were correlated with the cause of Kienböck's disease. The vascular foramina were more than ...
Kouvelos George N - - 2011
Pseudoaneurysms of the profunda femoral artery (PFA) have been reported following different types of trauma, mostly iatrogenic. We present three cases of PFA false aneurysm formation, two after vascular procedures and one as a result of a gunshot injury, which were successfully treated with the endovascular deployment of covered stents. ...
Balachandran Kartik - - 2011
Cardiac valves function in a mechanically complex environment, opening and closing close to a billion times during the average human lifetime, experiencing transvalvular pressures and pulsatile and oscillatory shear stresses, as well as bending and axial stress. Although valves were originally thought to be passive pieces of tissue, recent evidence ...
Hayashi Kentaro - - 2011
A 45-year-old woman presented with a rare case of traumatic carotid cavernous fistula (CCF) complicated with intracerebral hemorrhage after injury in a car accident. She had multiple injuries including facial bone fracture and slight subarachnoid hemorrhage around the left sylvian fissure. Emergent plastic surgery for the facial deformity was performed. ...
Wojtalik Michal - - 2011
A 12-year-old girl presented with an isolated cleft mitral valve complicated by infective endocarditis that was confined to the medial part of the cleft anterior leaflet. An innovative valve-sparing surgery was applied whereby the destroyed part of the leaflet was removed. The corresponding anterior annulus was plicated by approximation of ...
Talwar Sachin - - 2011
Abstract  We performed anterior translocation of the pulmonary artery (Le-Compte's maneuver) in a patient with an atrial septal defect with long standing complete collapse of the left lung due to extrinsic compression of the left bronchus by a dilated pulmonary artery. Following the closure of the septal defect and anterior ...
Akcay M - - 2011
Aortic elastic properties have been shown to be an important predictor of cardiovascular morbidity and mortality. Hyperthyroidism was shown to be an important cause of impaired aortic elastic properties both due to the direct effect of the thyroid hormones on the aorta and also due to modulating effects of thyroid ...
Hajjar Waseem M - - 2011
Tracheobronchial obstruction along with compression of pulmonary vessels is a rare complication after stenting of aortic aneurysm. We present this rare situation in a young patient who underwent stenting of traumatic thoracic aortic aneurysm and developed this near fatal complication and also the conservative management plan which we adopted to ...
Sámano Abenamar - - 2011
Several de novo intracranial aneurysms have been described related to changes in hemodynamics after therapeutic occlusion of internal carotid artery (ICA); however, de novo aneurysms related to a supraclinoid arteriosclerotic stenosis of the ICA have not been described yet. Authors consider that it is important to bear in mind the ...
Kolega John - - 2011
Hemodynamics constitute a critical factor in the formation of intracranial aneurysms. However, little is known about how intracranial arteries respond to hemodynamic insult and how that response contributes to aneurysm formation. We examined early cellular responses at rabbit basilar termini exposed to hemodynamic insult that initiates aneurysmal remodeling. Flow in ...
Yu Lunyin - - 2011
CXCR4 is the receptor for chemokine CXCL12 and reportedly plays an important role in systemic vascular repair and remodeling, but the role of CXCR4 in development of pulmonary hypertension and vascular remodeling has not been fully understood. In this study we investigated the role of CXCR4 in the development of ...
Persson Anja Bondke - - 2011
Vascular growth forms the first functional organ system during development, and continues into adult life, wherein it is often associated with disease states. Genetically determined vasculogenesis produces a primary vascular plexus during ontogenesis. Angiogenesis, occurring, e.g., in response to metabolic stress within hypoxic tissues, enhances tissue capillarization. Arteriogenesis denotes the ...
McClure Michael J - - 2011
Throughout native artery, collagen and elastin play an important role, providing a mechanical backbone, preventing vessel rupture, and promoting recovery under pulsatile deformations. The goal of this study was to mimic the structure of native artery by fabricating a multi-layered electrospun conduit composed of poly(caprolactone) (PCL) with the addition of ...
Hölbling Patscheider Daniel - - 2010
Atypical origins of the vertebral and the inferior thyroid arteries are rare anatomical findings. We present the case of a right-sided thyrovertebral trunk observed in a 91-year-old female cadaver. In this extremely rare vascular variation both the vertebral and the inferior thyroid arteries jointly originated from the subclavian artery as ...
Scuteri Angelo A National Institute on Aging Intramural Research Program, NIH, Baltimore, USA. - - 2011
Metabolic syndrome (MetS) and its components accelerate age-associated increases in arterial stiffness and thickness. We investigated whether specific proinflammatory cytokines contribute to arterial aging, independent of age, sex, MetS, and other traditional CV risk factors. MetS components (ATP III criteria) and arterial properties were assessed in 6148 subjects, aged 14-102 ...
László Andrea - - 2010
Complex congenital heart diseases with abnormal formation of the aorticopulmonary septum are also associated with defective large artery elastogenesis. In the current study, we tested the hypothesis that carotid artery elastic function was impaired in patients with tetralogy of Fallot (ToF). The study included 45 Fallot-patients (male:female 27:18; age 21.0 ± 11.8 years) ...
Muraoka Yoshitaka - - 2010
Drug-eluting stent (DES) expansion characteristics after aggressive high-pressure post-dilation using a non-compliant (NC) balloon have not been fully investigated. We evaluated 58 patients with native coronary lesions treated with DESs [24 paclitaxel eluting stents (PES) and 34 sirolimus-eluting stents (SES)]. After post-dilation (12-14 atm) using a stent-mounted semi-compliant balloon to reduce ...
Kröger Knut - - 2010
PURPOSE:: We measured extracoronary atherosclerotic plaque burden, its association with cardiovascular risk factors and with coronary atherosclerosis in male marathon runners. METHODS:: We studied 100 male presumably healthy runners aged 50 -75 years, who completed at least 5 marathons during the preceding 3 years. Presence of plaque in the carotid, ...
Yamamoto Hiroshi - - 2010
We describe a 74-year-old male who underwent open stent repair for an infrarenal abdominal aortic aneurysm with a severely calcified aortic neck. The stent graft was constructed by covering a 50-mm long Gianturco Z stent (diameter: 20 mm) with a Dacron prosthesis (diameter: 20 mm). The stented Dacron graft was ...
Soubeyrand Marc - - 2011
The necessicity to localize the anterior spinal arteries before anterior approach of the spine stays controversial by orthopaedic surgeons. On the other hand the surgical treatment of thoracoabdominal aneurisms routinely sacrifices many segmental arteries pairs without spinal arteries localization. This, associated with spinal cord protection, results to few neurological complication. ...
Ibaceta Ronald Schulz - - 2010
ABSTRACT: Study design: Anatomic study.Objective: To measure C1 and C2 critical areas related to the screws trajectory, according to Harms technique, in latin specimens. To investigate vertebral's artery course in cadavers.Summary of background data: To our knowledge there are no studies addressing vertebral surface measurements for screw placement, according to ...
Doyon Anke - - 2011
Arterial stiffness is an increasingly recognized independent predictor of cardiovascular morbidity. Vessel volume and wall texture are the main determinants of pulse wave velocity (PWV), the most commonly used indicator of arterial elasticity. Hence, measurements of PWV will be affected by the site of measurement and the overall dimensions of ...
Rosano Gabriele - - 2010
Objectives: To investigate the prevalence, location, size and course of the anastomosis between the dental branch of the posterior superior alveolar artery (PSAA), known as alveolar antral artery (AAA), and the infraorbital artery (IOA). Material and methods: The first part of the study was performed on 30 maxillary sinuses deriving ...
Pase Matthew P - - 2011
Although dietary and nutrient interventions have been extensively studied as a means of improving arterial stiffness, to our knowledge no systematic analysis of the data has been conducted. The aim of the current study was to systematically review the human clinical trial data and qualitatively examine the efficacy of dietary ...
Tsang Victor T - - 2010
The reimplantation technique for valve sparing aortic root replacement (David I) has improved management of patients with aortic root aneurysm and structurally normal aortic valves. The Valsalva graft (Gelweave Valsalva, Sultzer Vascutek, Renfrewshire, Scotland) further simplified the procedure by offering a root prosthesis with preformed neo-sinuses that may reduce physiologic ...
Haulon S - - 2010
OBJECTIVES: To identify and analyse existing evidence from published studies evaluating the efficacy and safety of a percutaneous vessel closure device for the closure of large arterial femoral arterial access sites (≥10 French). DESIGN: This study was a systematic literature review and meta-analysis. MATERIALS AND METHODS: Electronic databases were searched for ...
Ty Muhly W - - 2011
We conducted this prospective, observational study using ultrasound to describe the neuro-vascular relationships at the femoral crease. In particular, we sought to identify and describe the incidence of vascular structures lying lateral to the femoral artery at this level, and the frequency with which needle insertion would require adjustment to ...
Lee Sun-Ho - - 2011
The authors report the case of a patient with os odontoideum, myelopathy secondary to atlantoaxial instability, and bilaterally persistent first intersegmental artery at the craniovertebral junction. Instead of occipitocervical fusion, C1-2 posterior fusion was performed using a polyaxial screw/rod system. The information obtained from 3D CT angiography studies may highlight ...
Nowell Justin L - - 2011
We describe a bailout procedure when surgical aortic-valve replacement was not possible due to severe calcification of the ascending aorta and the root and a very small annulus. A 21-mm CoreValve Revalving prosthesis was inserted via the aortotomy in the presence of a mitral prosthesis.
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