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Minai Omar A - - 2012
OBJECTIVES: Pulmonary hypertension (PH) has been associated with decreased functional capacity in patients with advanced idiopathic pulmonary fibrosis (IPF). We aimed to evaluate the true impact of altered pulmonary hemodynamics on functional capacity in a cohort of patients with IPF. METHODS: Between January 1990 and December 2007, 124 patients [73M/51F; ...
Shinohara Y - - 2012
BACKGROUND AND PURPOSE:Flat panel detector-based CBCT can provide CT-like images of the brain without transferring patients from the angiography suite to a conventional CT facility. Conventional brain CT after uneventful endovascular treatment sometimes shows focal subarachnoid hyperattenuation with contrast leakage, mimicking SAH. Differentiating this finding from SAH is important for ...
Chen Fengshi - - 2012
In living-donor lobar lung transplantation (LDLLT), donor surgeries are conducted in ways that ensure proper dissections for both donors and recipients. We report a case of LDLLT, in which pulmonary arterioplasties with autopericardial patch were performed on both a donor and a recipient. Since excision of the lingular branch of ...
Jin Shu-Xuan - - 2012
OBJECTIVE: The development of a murine model of spontaneous atherosclerotic plaque rupture with luminal thrombus. METHODS AND RESULTS: Combined partial ligation of the left renal artery and left common carotid artery in 8-week-old apolipoprotein E-deficient mice induced endogenous renovascular hypertension and local low oscillatory shear stress in the left common ...
Currie Maria E - - 2012
Recently, the internal thoracic arteries have been preferentially used in autologous breast reconstruction at the levels of the third or fourth intercostal spaces. This may compromise future treatment of occult coronary disease. We hypothesized that internal thoracic artery length at the fourth intercostal space would allow both breast reconstruction and ...
Green David E - - 2012
Increased NADP reduced (NADPH) oxidase 4 (Nox4) and reduced expression of the nuclear hormone receptor peroxisome proliferator-activated receptor γ (PPARγ) contribute to hypoxia-induced pulmonary hypertension (PH). To examine the role of Nox4 activity in pulmonary vascular cell proliferation and PH, the current study used a novel Nox4 inhibitor, GKT137831, in ...
Delcroix Marion M Dept of Pneumology, University Hospitals of Leuven, Leuven, - - 2013
In chronic thromboembolic pulmonary hypertension (CTEPH) increased pulmonary vascular resistance is caused by fibrotic organisation of unresolved thromboemboli. CTEPH mainly differs from pulmonary arterial hypertension (PAH) by the proximal location of pulmonary artery obliteration, although distal arteriopathy can be observed as a consequence of non-occluded area over-perfusion. Accordingly, there is ...
Vaze Dhananjay - - 2012
Pheochromocytoma and renal artery stenosis are two common causes of surgically correctable childhood hypertension that may coexist. We describe a case of extraadrenal pheochromocytoma with left upper polar renal artery pseudostenosis. The tumor was excised, preserving the accessory renal artery and kidney. The child was normotensive and did not require ...
Nonaka Michihito - - 2012
A 65-year-old man with an isolated aneurysm of the proximal right subclavian artery (SCA) (diameter, 50 mm) was successfully treated with a deliberate surgical strategy described here. Because of the occluded left vertebral artery (VA) and poor development of the circle of Willis, the distal portion of the right SCA was ...
Hirota Jun - - 2012
A 74-year-old Japanese woman was referred to our hospital for surgical repair of an ascending aortic aneurysm and severe aortic valve regurgitation. She had received low dose steroid treatment for 6 years due to a diagnosis of the polymyalgia rheumatica (PMR), and no signs of inflammation were detected serologically. Modified reduction ...
Sabharwal Paramveer Singh - - 2012
BACKGROUND: A technique for stent-assisted coil embolization of a bilobed wide-necked saccular aneurysm of the anterior inferior cerebellar artery (AICA) with the AICA arising from the dome of the aneurysm is described. CLINICAL PRESENTATION: A middle-aged patient was referred for treatment of a bilobed saccular aneurysm identified on a CT ...
Day Ronald W - - 2012
OBJECTIVE.: Right heart catheterization is performed in patients with pulmonary arterial hypertension to determine the severity of disease and their pulmonary vascular reactivity. This study sought to determine whether the acute pulmonary vasodilatory effects of diltiazem and oxygen with nitric oxide are similar enough to support the practice of using ...
Kwak Jae Gun - - 2012
Pulmonary artery sling frequently accompanies various degrees of tracheal stenosis. The authors reviewed their surgical outcomes for pulmonary artery sling from two institutions. From 1997 to September 2011, 16 patients with pulmonary artery sling underwent surgical treatment. Their median age was 4.6 months and their body weight 6.2 kg at the time ...
Riccardi Alessandro - - 2012
BACKGROUND: Bedside ultrasonography performed by the Emergency Physician is a safe procedure for evaluating patients with trauma, hypotension, chest or abdominal pain, and dyspnea of unknown origin. OBJECTIVES: To present a case with apparent concordance between the patient's history, symptoms, signs, and ultrasound imaging, that lead to diagnostic error. CASE ...
Poulter Rohan - - 2012
Fibromuscular dysplasia (FMD) is increasingly recognized as a nonatherosclerotic pathology in young women presenting with acute coronary syndromes. The angiographic appearance of these lesions may mimic typical atherosclerosis, and a high index of suspicion is needed. The pathophysiological changes in the intima and media alter the vessel's elasticity and may ...
Meyer Mathias - - 2012
PURPOSE: To investigate the prevalence of significant coronary artery stenosis on coronary computed tomography angiography (cCTA) in symptomatic Caucasian patients with an intermediate risk score at different levels of coronary artery calcification (CAC). METHOD: In total, 383 consecutive symptomatic Caucasian patients (147 females, 60 ± 13 years) with an intermediate ...
Benn Marianne M Chief Physician, Department of Clinical Biochemistry, Herlev Hospital, Copenhagen University Hospital, Herlev Ringvej 75, DK-2730 Herlev, - - 2012
The diagnosis of familial hypercholesterolemia (FH) can be made using the Dutch Lipid Clinic Network criteria. This employs the personal and family history of premature coronary artery disease and hypercholesterolemia and the presence of a pathogenic mutation in the low-density lipoprotein receptor (LDLR) and apolipoprotein B (APOB) genes. We employed ...
Joseph George - - 2012
A 60 year-old woman presented with large extensive aneurysms in the thoracic aorta and infra-renal abdominal aorta with a normal segment of visceral aorta in between; the entire right common iliac artery was also aneurysmal. Concurrent endovascular repair of all aneurysmal regions was successfully performed using a left common iliac ...
Papayannis Aristotelis C - - 2012
BACKGROUND: In the absence of radiopaque graft markers, engaging unusual saphenous vein grafts can be challenging. METHODS: We describe a case in which a saphenous vein graft to the first obtuse marginal branch could not be located, in spite of performing aortic root angiography. The saphenous vein graft was wired ...
Ghazanfari S - - 2012
Collagen is the main load-bearing component of the artery. The 3D arrangement of the collagen fibers is crucial to understand the mechanical behavior of such tissues. We compared collagen fiber alignment obtained by second harmonic generation (SHG) microscopy with the alignment obtained by diffusion tensor imaging (DTI) throughout the wall ...
Karagol Belma Saygili - - 2012
Abstract OBJECTIVE: The aim of this study was to determine accurate and validated z-score equations for the normal values of coronary diameters adjusted with growth changes of the neonates by testing three different time periods. METHODS: Echocardiography was performed on 200 healthy neonates at birth, one and six months of ...
Obaid Sami - - 2012
BACKGROUND: Endoscopic third ventriculostomy (ETV) is an effective treatment of obstructive hydrocephalus (OH). However, the presence of a large or giant basilar aneurysm is generally considered a contra-indication to ETV for treating hydrocephalus. We report the feasibility and efficacy of ETV for the treatment of hydrocephalus in the presence of ...
Wang Shuang - - 2012
The aim of our study is to present our experience in the diagnosis and treatment of patients with carotid artery rupture (CAR) due to foreign body ingestion. A total of nine admissions with CAR due to foreign body ingestion were recorded in Second Xiangya Hospital between 1969 and 2011. The ...
Vincent Jean-Louis - - 2012
The pulmonary artery catheter (PAC) has been widely used for monitoring of critically ill patients over the years, but with advances in less invasive monitoring techniques, notably echocardiography, there are fewer indications for PAC insertion. Nevertheless, the PAC provides simultaneous monitoring of pulmonary artery pressures, cardiac filling, cardiac output and ...
Semiz-Oysu Aslihan - - 2012
A case of aberrant left pulmonary artery originating from the right pulmonary artery resembling pulmonary artery sling malformation, but without true sling formation, is presented. Anomalous left pulmonary artery was accompanied with long-segment proximal tracheal stenosis and other congenital malformations typically associated with PAS complex. The anomalous pulmonary artery passed ...
Pu Jiantao - - 2012
The airway tree is a primary conductive structure, and airways' morphologic characteristics, or variations thereof, may have an impact on airflow, thereby affecting pulmonary function. The objective of this study was to investigate the correlation between airway tree architecture, as depicted on computed tomography, and pulmonary function. A total of ...
Gordhan Ajeet - - 2012
High flow spontaneous vertebral arteriovenous shunts in patients with fibromuscular dysplasia (FMD) are rare. We present a 59-year-old woman with progressive dizziness, pre-syncopal episodes and tinnitus. Catheter-based angiography identified features of FMD and a high flow, right cervical vertebral artery arteriovenous shunt. Onyx-18 embolization (Onyx liquid embolic system, eV3, Irvine, ...
Emir Mustafa - - 2012
This study was undertaken to compare early postoperative results, programmed multi-detector row computed tomography coronary angiographic patency and midterm results of revascularization by sequential radial artery grafting with those of single radial artery grafting during a five-year period. Patients were grouped as those with sequential radial artery grafts (Group A, ...
Sugahara Takeshi - - 2012
A 36-year-old man with an implanted arteriovenous shunt for hemodialysis was referred for shunt malfunction. Venography of the right upper extremity showed occlusion of the subclavian vein, and a SMART stent was deployed. The fully expanded stent immediately migrated centrally into the left pulmonary artery. As initial efforts to pass ...
Tanweer Omar - - 2012
Aneurysms of the posterior spinal artery (PSA) are rare lesions. Isolated PSA aneurysms, not in the setting of a high-flow environment, are even more rare. In the few reported cases, these lesions have been predominantly resected or observed. The authors report an isolated pseudoaneurysm of the PSA at the T-11 ...
Kim Daniel L - - 2012
OBJECTIVE:: Generally, the sacrifice of arteries that perfuse normal brain parenchyma is avoided. However, there are instances when it is necessary to take certain distal arteries to adequately perform tumor resections or secure vascular lesions. Deciding if the sacrifice of such arteries is safe can be difficult. METHODS:: We present ...
Park Hyo Eun - - 2012
OBJECTIVE: The association between arterial stiffness, as measured by the cardio-ankle vascular index (CAVI), and coronary atherosclerosis, using coronary artery computed tomography (CT), was investigated in the asymptomatic general population, with special interest in subjects with abnormal glucose metabolism. PATIENTS AND METHODS: A total of 158 normoglycemic subjects and 373 ...
Schepers Marcel - - 2013
We present a case of unintended intrathecal cannulation by a pulmonary artery catheter introducer in a patient scheduled for coronary surgery. This complication was likely due to multiple attempts of placing the guidewire. Switching to the straight tip of the guidewire may have created a false route, facilitating entrance in ...
Rabkin Simon W - - 2012
Arterial stiffness constitutes a reduction in the ability of large arteries to readily accommodate the increase in blood ejected from the heart during systole. Propagation of the pulse wave or pulse wave velocity (PWV) is a relatively simple, non-invasive, and reproducible method to determine arterial stiffness. There is mounting evidence ...
Li Ning - - 2012
Since its invention, optical coherence tomography (OCT) has been primarily used for the diagnosis of coronary artery disease. A few feasibility studies of OCT to visualise the pulmonary arteries were reported. However, OCT findings in the pulmonary arteries have not been validated using histology as the gold standard. To validate ...
Poels Mariëlle M F - - 2012
BACKGROUND AND PURPOSE: Aging and vascular risk factors contribute to arterial stiffening. Increased arterial stiffness exposes the small vessels in the brain to abnormal flow pulsations and, as such, may contribute to the pathogenesis of cerebral small vessel disease. In a population-based study, we investigated the association between arterial stiffness, ...
Backer Carl L - - 2012
BACKGROUND: A Kommerell diverticulum (KD) is an aneurysmal remnant of the dorsal fourth aortic arch. This can be an independent cause of tracheoesophageal compression. We previously reported resection of the KD with left subclavian artery transfer to the left carotid artery for recurrent symptoms in patients with a right aortic ...
Moza Ankush - - 2012
A 64 year old female underwent percutaneous coronary intervention (PCI) with stent placement through the femoral approach. On femoral angiography after the PCI, the arterial sheath insertion site was found to be in the inferior epigastric artery and not in the common femoral artery. We used an Angioseal vascular closure device ...
Gundavaram Madhu S - - 2012
Pulmonary artery sling is a rare congential vascular abnormality that is infrequently diagnosed during adulthood. Herein, we present an unusual case of incidental asymptomatic pulmonary artery sling, describe the pathophysiologic features of this condition, and illustrate its diagnostic radiographic features on cross-sectional imaging.
Muradi Akhmadu - - 2012
Thoracic endovascular aortic repair for a descending thoracic aortic aneurysm is an excellent alternative to open surgery, especially in patients with a number of comorbidities. It may cause fatal complications, including aortoesophageal fistula, but these are very rare. Here, we report the case of secondary aortoesophageal fistula four months after ...
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 ...
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