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Scherr Martin - - 2012
Studies investigating cognitive impairment in stroke-free patients with carotid artery stenosis have led to inconsistent results. Furthermore, the pathophysiological mechanism leading to cognitive impairment remains unclear. Cerebral hypoperfusion and arterio-arterial microembolization are discussed. The aims of our study were (1) to delineate patterns of cognitive impairment in stroke-free patients with ...
Moeller S - - 2012
Isolated vasospasms of the extracranial internal carotid artery (ICA) are rare causes of cerebral ischemia.(1,2) Pathophysiology of ICA vasospasms is not yet understood and may be associated with altered autonomic ICA innervation.
Takashima Noriyuki - - 2012
A 73-year-old woman with type III coronary perforation caused by failed angioplasty underwent emergency operation. It was impossible to stop the bleeding from the beating heart because the proximal Cx, which was the perforation site, was behind the main pulmonary artery. After establishing cardiopulmonary bypass, we separated the main pulmonary ...
van de Laar Roel Jj - - 2012
BACKGROUND: Fiber intake is associated with lower cardiovascular disease risk. Whether arterial stiffness is influenced by lifetime fiber intake is not known. Any such association could explain, at least in part, the cardioprotective effects attributed to fiber intake. OBJECTIVE: The objective was to investigate whether a lower intake of fiber ...
Bamforth Simon D SD Institute of Genetic Medicine, Newcastle University, Newcastle upon Tyne, United Kingdom. - - 2013
The remodeling of the pharyngeal arch arteries is a complex process that occurs across vertebrates, although the specific number of arteries varies across species, with six in fish, but only five in birds and mammals, although they are numbered one through four, and six. The existence of a fifth arch ...
Zembala Michael O - - 2012
OBJECTIVES: Left main disease (LMD), combined with carotid artery stenosis (CAS), constitutes a high-risk patient population. Priority is often given to coronary revascularization, due to the severity of the angina. However, the choice of revascularization strategy [off-pump coronary artery bypass (OPCAB) vs. coronary artery bypass grafting (CABG)] remains elusive. METHODS: ...
Panduranga Prashanth - - 2012
Coronary artery anomalies resulting in all three coronary arteries arising separately from single sinus of Valsalva is very rare. We report a patient with two coincidental coronary anomalies: absent left main with left anterior descending, and left circumflex arteries arising separately from left sinus of Valsalva along with anomalous origin ...
Maeda Katsuhide - - 2012
BACKGROUND: The management of congenital aortic stenosis in neonates and infants continues to be a surgical challenge. We have performed the modified Ross-Konno procedure for patients who have severe aortic insufficiency or significant residual stenosis after balloon aortic dilation. The midterm results of this procedure were evaluated in this subset ...
Kanamori Naomi - - 2012
Abstract  We report the repair of a coronary artery fistula arising from the right coronary artery draining into the right pulmonary artery associated with multiple systemic-pulmonary connections. (J Card Surg 2012;**:1-2).
van Ooij P - - 2012
The assessment of both geometry and hemodynamics of the intracranial arteries has important diagnostic value in internal carotid occlusion, sickle cell disease, and aneurysm development. Provided that signal to noise ratio (SNR) and resolution are high, these factors can be measured with time-resolved three-dimensional phase contrast MRI. However, within a ...
Shimada Masatoshi - - 2012
We treated a 7-day-old neonate with aortic coarctation, left aortic arch, right-side descending aorta, aberrant right subclavian artery, and outlet ventricular septal defect. Surgical one-stage repair consisting of coarctation repair by extended direct anastomosis, patch closure of the ventricular septal defect, and translocation of the right subclavian artery was performed ...
Niino Tetsuya - - 2012
A 51-year-old man presented with acute chest pain and loss of consciousness. Computed tomography showed no intimal flap in the ascending aorta and clear dissection involving the aortic root and arch, as well as the descending aorta. At surgery, the intimal tear was found to be circumferential and dissection extended ...
Jujo Takayuki - - 2012
In general, intravascular thrombus formation in the pulmonary arteries is considered to be the most common cause of chronic thromboembolic pulmonary hypertension (CTEPH). The current mainstay of therapy for patients with CTEPH is pulmonary endarterectomy (PEA). Recently, the existence of myofibroblast-like cells in endarterectomized tissues has been demonstrated. At the ...
Seo Jung Hee - - 2012
The sound generated by blood flow in stenosed arteries is investigated for a model that consists of a channel with a one-sided constriction. The blood flow-induced arterial "bruits" are computed directly using a hybrid approach wherein the hemodynamic flow field is solved by an immersed boundary, incompressible flow solver, and ...
Ozaki Nobuchika - - 2012
A 74-year old male presented with a dilatation of the thoracic aorta late after an acute aortic dissection. Computed tomography (CT) showed chronic dissecting aortic aneurysms just below the distal aortic arch. The total descending thoracic aorta was surgically replaced. Four weeks later, a massive bloody effusion developed in the ...
Gupta Ajay - - 2012
The retropharyngeal internal carotid artery (ICA) is a well-described arterial anomaly with important implications for patients undergoing pharyngeal approach surgical procedures. Existing clinical and imaging classification schemes for a retropharyngeal ICA take into account arterial distance to the pharyngeal mucosal wall. We describe a case of mobility of a retropharyngeal ...
Lv Xianli - - 2012
Object The purpose of this study was to report the potential proneness of a fetal-type posterior cerebral artery (PCA) to develop vascular insufficiency in parent vessel occlusion of distal PCA aneurysms. Methods Between January 2005 and January 2011, 19 patients (9 females and 10 males) with 20 distal PCA aneurysms ...
Kan Peter - - 2012
BACKGROUND AND PURPOSE: Basilar artery fenestration aneurysms are rare aneurysms, posing unique challenges for endovascular treatment. We report a case of successful treatment of a wide-necked basilar artery fenestration aneurysm with a novel double-barrel stent-assisted coiling technique. CLINICAL PRESENTATION: A 50-year-old woman presented with headaches. Evaluation revealed an unruptured 7-mm ...
Cronin Paul - - 2012
PURPOSE: To document the natural history of branch artery pseudoaneurysms (BAPs), which are sequelae of aortic dissection with false lumen thrombosis that have been distinguished anatomically from penetrating ulcers. MATERIALS AND METHODS: Serial computed tomography (CT) scans in 50 patients with at least two CT scans greater than 1 month ...
Seki Makoto - - 2012
In general, with large mesenteric tumors it may be rather difficult to determine whether infiltration into adjacent large vessels occurred. We wish to stress the importance of preparation for microsurgery when a huge lesion appears close to a large artery in preoperative images, based on our experience of successful microscopical ...
Kellner Elias - - 2012
Imaging of cerebral perfusion by tracking the first passage of an exogenous paramagnetic contrast agent (termed dynamic susceptibility contrast, MRI) has been used in the clinical practice for about a decade. However, the primary goal of dynamic susceptibility contrast MRI to directly quantify the local cerebral blood flow remains elusive. ...
de Zélicourt Diane - - 2012
Aortic arch reconstruction in neonates is commonly performed using deep hypothermic circulatory arrest. However, concerns have arisen regarding potential adverse neurologic outcomes from this complex procedure, raising questions about the best arterial cannulation approach for cerebral perfusion and effective systemic hypothermia. In this study, we use computational fluid dynamics to ...
Egaña José María - - 2012
The carotid-carotid bypass via a retropharyngeal tunnel enables treating proximal occlusions. With reference to two clinical cases, we present a technique that consists of transposition of one of the carotid arteries to contralateral position, avoiding simultaneous clamping of both carotids.
Piazza Fabio - - 2012
A 15-year-old boy showed progressive aortic valve regurgitation during follow-up of supracristal ventricular septal defect. This anatomic arrangement is consistent with the Laubry-Pezzi syndrome in which prolapse of a non-coronary aortic valve cusp due to Venturi's effect results in progressive aortic valve insufficiency.
Liu Xiwang - - 2012
This study aimed specifically to identify the predictors of prolonged recovery after the arterial switch operation for transposition of the great arteries in infants. The clinical records of all infants admitted to the surgical intensive care unit (SICU) between January 2000 and March 2011 after an arterial switch operation were ...
Tran Loan Thi Thanh - - 2012
Aim: Intima-media thickness (IMT) is considered a surrogate measurement of atherosclerosis but this is still under debate.Methods: To evaluate the relationship between carotid IMT and atherosclerosis, postmortem specimens of the distal segments of the left common carotid artery (CCA) from 133 Korean men aged from 20 to 78 years were ...
Angelini Paolo - - 2012
The most commonly accepted definition of coronary aneurysm (CA) is an enlargement of a coronary arterial segment to more than 50% of the distal reference diameter.(1,2) This definition generally refers to the inner diameters of the vessels as determined by coronary angiography. Computerized axial tomographic (CAT) imaging is currently the ...
Wertaschnigg Dagmar - - 2012
Objectives. To review the anomaly spectrum of prenatally detected absent pulmonary valve syndrome (APVS) and the outcome after diagnosis. Previous fetal studies reported survival rates of ≤ 25 percent for patients with intended postnatal care. Methods. Clinical data and echocardiograms of 12 cases with a fetal diagnosis of APVS between ...
Ponnuswamy I - - 2012
To retrospectively evaluate the depiction of bronchial and non-bronchial systemic arteries with 64-detector row CT in patients undergoing endovascular treatment for life-threatening haemoptysis. 64-detector row helical CT and conventional angiography of the thorax were performed in 28 patients (25 males, 3 females; age range, 18-65 years; mean age, 40 years) ...
Hakimi Maani - - 2012
OBJECTIVE: To assess the influence of stent application on in-stent hemodynamics under standardized conditions. METHODS: Ovine common carotid arteries before and after stent (6 × 40 mm, sinus-Carotid-RXt, combined open-closed cell design; Optimed, Ettlingen, Germany) application were used. Plastic tubes, 10 mm in length, simulating stenosis were placed in the ...
Toeg Hadi Daood - - 2012
In inoperable or high-risk patients with severe aortic stenosis, transcatheter aortic valve implantation (TAVI) provides an efficacious and safe alternative to surgical aortic valve replacement. In this case report, TAVI resulted in aortic valve cusp shearing and migration into the left main coronary artery, resulting in occlusion of coronary blood ...
Vavuranakis Manolis - - 2012
BACKGROUND: The elastic properties of the ascending aorta were studied before and 1 week after transcatheter aortic valve implantation (TAVI). Previous studies have shown that the distensibility of the ascending aorta was decreased in the early post-operative period after aortic valve replacement. Aortic stiffness is a major moderator of arterio-ventricular coupling ...
Lee Kyung Bok - - 2012
OBJECTIVES: Carotid stenosis and plaque stability are critical determinants of risk for ischemic stroke. The aim of this study is to elucidate the association of CAC with carotid stenosis and plaque characteristics. METHODS: We examined data from the Multi-Ethnic Study of Atherosclerosis (MESA), a prospective cohort study of subclinical cardiovascular ...
Krüger Karsten - - 2012
Nephron-sparing surgery (NSS) is a standard surgical treatment for small renal tumors. We report four patients (aged 35-79 years) with vascular complications within 6 days to 3 months after open NSS. Three patients developed acute symptoms, whereas one was asymptomatic. Computed tomography (CT) in the arterial and venous phase of ...
Saad Adam - - 2012
We propose the profunda femoris artery perforator (PAP) flap for autologous breast reconstruction. We provide an anatomic basis for this flap. Ten cadaveric thighs were dissected. A perforator was dissected to its origin. The lengths of pedicle, vessel diameters, and weights were measured. The average distance inferior to the gluteal ...
Sun Lin - - 2012
Blunt chest trauma can cause serious complications, but coronary artery occlusion is rare. In a 19-year-old man, 40 days after a motorcycle accident, comprehensive echocardiography detected left anterior descending artery occlusion and left ventricular dysfunction, which was confirmed by coronary angiography and ventriculography. Echocardiography was also able to confirm restored ...
Grözinger Gerd - - 2012
The authors describe a case of an intrapancreatic gastroduodenal artery aneurysm in a pregnant woman. Successful endovascular therapy was performed for the first time in a visceral artery aneurysm during pregnancy as a bailout solution. The attributive risk to the fetus from scattered radiation during endovascular treatment did not exceed ...
Kim Hyun Jeong - - 2012
BACKGROUND AND IMPORTANCE:: Due to their rarity, the pathogenesis and clinical features of isolated spinal artery aneurysms are still unclear and their diagnoses and treatments are challenging. We report a case of an isolated posterior spinal artery aneurysm and review previous reports thoroughly to identify the general features of isolated ...
Rozen Warren Matthew - - 2012
Background Although a surgical insult may substantially alter local vascular anatomy within tissues, studies that have clearly demonstrated these changes as being dynamic phenomena have not been widely reported. The current study aimed to explore the changes in abdominal wall vasculature after a surgical insult.Methods The arterial and venous anatomy ...
Nakagawa Michitaka - - 2012
We describe a rare complication, systemic arterial thromboembolism, seen in two patients with senile systemic amyloidosis (SSA). Case 1 was a 73-year-old man who was tentatively diagnosed as having cardiac amyloidosis. Five months later, he was afflicted by severe left flank pain. CT disclosed renal infarction and then he received ...
Matsuno Yukihiro - - 2012
A 68-year-old man underwent double-valve replacement (DVR) for active infective endocarditis caused by Enterococcus faecalis. Postoperative coronary angiography (CAG) revealed a saccular aneurysm originating from the distal portion of LMCA with severe stenosis at the ostium of the left anterior descending (LAD) artery and left circumflex artery (LCx). Emergent surgical ...
Shiraishi Manabu - - 2012
A 65-year-old woman with exercise-related dyspnea was admitted to our hospital. Transthoracic echocardiography demonstrated a large anomalous papillary muscle that originated from the posterior wall of the left ventricle and severe mitral valve regurgitation in systole. Cleft suture, 5-0 polytetrafluoroethylene sutures from a single papillary muscle to the anterior commissure ...
Cheng Jeffrey K - - 2012
The large, elastic arteries, as their name suggests, provide elastic distention and recoil during the cardiac cycle in vertebrate animals. The arteries are distended from the pressure of ejecting blood during the active contraction of the left ventricle (LV) during systole and recoil to their original dimensions during relaxation of ...
Llanos Aníbal J - - 2012
Pulmonary arterial hypertension is one of the most serious pathologies that can affect the 140 million people living at altitudes over 2,500m. The primary emphasis of this review is pulmonary artery hypertension in mammals (sheep and llamas) at high altitude, with specific focus on the heme oxygenase and carbon monoxide ...
Xiao L - - 2012
PURPOSE: We evaluated the experience with and efficacy of stent-grafting for iatrogenic peripheral arterial ruptures. MATERIALS AND METHODS: From 2005 to 2009 we performed stent-grafting on four male patients (age 38-67 years) with iatrogenic peripheral arterial ruptures. In patient 1, grointissue necrosis followed a subcutaneous injection and led to femoral ...
De Luca F - - 2012
PURPOSE: The aim of this study was to assess the baseline computed tomography (CT) attenuation of acute and chronic pulmonary thromboemboli, their contrast enhancement (CE), correlation with haematocrit (Ht) levels and the presence of hypertrophic bronchial arteries. MATERIALS AND METHODS: From January 2006 to October 2009, we measured the baseline ...
Bender Jeffrey J - - 2012
BACKGROUND: When obtaining an arterial blood sample via percutaneous puncture there is a risk of accidentally obtaining venous blood. Conventional methods of confirming arterial blood at the bedside such as blood color and pulsatile return can be misleading in patients with low blood pressure or hypoxemia. PURPOSE: To determine if ...
Tsukimori Kiyomi - - 2012
Aortic regurgitation in association with aortic stenosis is rare in the fetus. Findings have shown that severe aortic regurgitation is worsened by the increase in systemic vascular resistance after birth, resulting in low cardiac output, hypoxemia, and neonatal death. This report describes a unique case of aortic regurgitation with aortic ...
van der Linde Denise - - 2012
OBJECTIVES: The purpose of this study was describe the cardiovascular phenotype of the aneurysms-osteoarthritis syndrome (AOS) and to provide clinical recommendations. BACKGROUND: AOS, caused by pathogenic SMAD3 variants, is a recently described autosomal dominant syndrome characterized by aneurysms and arterial tortuosity in combination with osteoarthritis. METHODS: AOS patients in participating ...
Patnaik Amar N - - 2012
This report describes a 3-year-old boy who presented with hemoptysis and a history of congenital heart disease detected at the age of 3 months. Clinical and laboratory evaluation showed a large true congenital pulmonary artery aneurysm of the left main pulmonary artery occupying the entire left hemithorax and two small aneurysms ...
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