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Peixoto Aldo J - - 2010
The management of atherosclerotic renal artery stenosis is controversial. Although it may appear intuitive that restoring normal blood flow to the kidney(s) is the treatment of choice, there are no data showing an obvious advantage of interventional therapy compared with medical therapy. In this article, we discuss the most recent ...
Lin Ta-Chin - - 2010
A well-defined, slow-flowing vascular lesion was found incidentally by Doppler abdominal sonography in the left renal hilar region of a 36-year-old Taiwanese woman. Clinically, the physical examination and laboratory screening were unremarkable. A magnetic resonance angiography of the area near the renal hilum showed a saccular mass (3.5 x 3.1 ...
Sarrias Maria - - 2010
Cardiovascular disease is the major cause of mortality in chronic kidney disease (CKD). Arterial stiffening is recognised as a critical precursor of cardiovascular disease. Available evidence indicates that lifestyle modifications are therapeutic interventions for preventing and treating arterial stiffening. Objective: To evaluate the influence of lifestyle modifications on the arterial ...
Ilic Nikola S - - 2010
Aortic diseases associated with renal anomalies can present special challenges during surgery of the abdominal aorta. The aim of this paper is evaluation of morbidity and definition of optimal management according to the clinical histories of 30 patients with horseshoe and ectopic kidneys who underwent surgical procedures on the abdominal ...
Son Kuk Hui - - 2010
Extra hemodynamic energy is one of the major benefits of pulsatile flow, improving blood flow to vital organs. But most (80%) of the hemodynamic energy generated from pulsatile flow is damped by the extracorporeal circuit. Most models devised to minimize hemodynamic energy loss have been in vitro pediatric models. The ...
Bünger Carsten Michael - - 2010
Renal artery entrapment by the diaphragmatic crus is a very infrequent cause of renovascular hypertension. We present the case of a young man who was assigned to our hospital with arterial hypertension and stenosis of the left renal artery. Extrinsic compression was diagnosed by duplex ultrasound and magnetic resonance angiography. ...
Rognant Nicolas - - 2010
Reduction of renal blood flow (RBF) due to a renal artery stenosis (RAS) can lead to renal ischemia and atrophy. However in pigs, there are no data describing the relationship between the degree of RAS, the reduction of RBF, and the increase of systemic plasma renin activity (PRA). Therefore, we ...
Misra Sanjay - - 2010
A mouse model of renal insufficiency with arteriovenous fistula (AVF) and venous stenosis was created. The authors tested the hypothesis that there is increased gene expression of hypoxia-inducible factor-1 alpha (HIF-1alpha); vascular endothelial growth factor-A (VEGF-A) and its receptors (VEGFR-1, -2); matrix metalloproteinase-2 (MMP-2), -9 (MMP-9); tissue inhibitor of metalloproteinase-1, ...
Torre Joanne - - 2010
A 55-year-old woman with a history of hypertension, bilateral renal artery disease with a left renal artery stent, and a chronically occluded right renal bypass graft presented with anuria and acute renal failure. Diagnostic studies showed high-grade renal artery in-stent stenosis with thrombotic occlusion of the main left renal artery ...
Mehta Ankit N - - 2010
Renal artery stenosis and renovascular hypertension are important considerations in patients with hypertension that is difficult to control. The diagnosis may also have prognostic significance for progressive renal disease. The most common causes of renal artery stenosis are atherosclerotic disease and fibromuscular dysplasia. The pathophysiology of renal artery stenosis is ...
King Deirdre M - - 2010
Computer-aided modelling techniques were used to generate a range of anatomically realistic phantoms of the renal artery from medical images of a 64-slice CT data set acquired from a healthy volunteer. From these data, models of a normal healthy renal artery and diseased renal arteries with 30%, 50%, 70% and ...
Abt Dominik - - 2011
We report on a 37-year-old man suffering from type 1 neurofibromatosis with spontaneous rupture of a lower pole artery of the right kidney. Two renal arteries with aneurysmal alterations were identified at angiography. We did not coil the lower pole artery because active bleeding had stopped. Eleven days later, the ...
Olea-Comas Isabel - - 2011
A 36-year-old woman was referred for the evaluation of refractory arterial hypertension with vasculorenal profile. Abdominal multislice computed tomography angiography (MSCT-angiography) was performed for further evaluation. Bilateral renal artery involvement was demonstrated with aneurysms, stenotic segments, and a string-of-beads-appearance in the right renal artey. We discuss the occurrence of fibromuscular ...
Shoja Mohammadali M - - 2010
Sir William Turner (1832-1916) was Professor of Anatomy at the University of Edinburgh. His classic paper of 1863 on the anastomoses between the parietal and visceral branches of the abdominal aorta, later known as the sub-peritoneal arterial plexus of Turner, has mostly been forgotten. Located in the retroperitoneum and surrounding ...
Conway Brian D - - 2010
PURPOSE: To determine the renal artery to aorta relationship in the setting of thoracoabdominal aortic aneurysm (TAAA) in order to help strategize preoperative stent-graft planning, device design, and deployment technicalities. METHODS: The preoperative computed tomography (CT) studies of 147 patients who underwent TAAA repair between 2005 and 2008 were retrospectively ...
Elsherbeny Ahmed M - - 2010
An eroded atheromatous aorta may be a source of cholesterol crystal embolism(CCE). Embolization of atheromatous material accounts for obstruction of distal arterioles around which a foreign-body giant cell granuloma inflammatory reaction develops. The diagnosis is often delayed or un recognized because of varying or misleading clinical signs, such as renal ...
Meuse Michael A - - 2010
Fibromuscular dysplasia is a nonatherosclerotic and noninflammatory disease that can result in stenoses of the renal arteries and hypertension, most commonly affecting middle-aged women. Percutaneous transluminal angioplasty has long been considered the mainstay of therapy and offers high rates of improved or cured hypertension. The disease involves the mid and ...
Isogai Sumio - - 2010
Renal, adrenal, gonadal, ureteral and inferior phrenic arteries vary in their level of origin and in their calibre, number and precise anatomical relationship to other structures. Studies of the origin and early development of these arteries have evoked sharp disputes. The ladder theory of Felix, which states that 'All the ...
Kónya András - - 2010
To determine the extent of ablation and the temporal histopathologic findings associated with selective arterial injection of pure Ethiodol in the normal rabbit kidney, with or without arterial occlusion of the main renal artery. In 19 rabbits, 27 kidneys were embolized by injecting 0.6 mL of pure Ethiodol into the ...
Capsoni Franco - - 2012
Fibromuscular dysplasia (FMD) is an uncommon angiopathy that occurs mainly in young to middle-aged female individuals. It is an idiopathic, segmental, non-inflammatory and non-atherosclerotic vascular disease leading to stenosis of small- and medium-sized arteries. Clinical manifestations are determined by the artery involved, most commonly hypertension (renal artery) and stroke (carotid ...
Xiong Jiang - - 2010
Renal artery aneurysm (RAA) is a rare event that may cause life-threatening rupture or renal function-threatening embolization. We report here a case of eccentric RAA involving the left upper pole renal artery and its three bifurcations, which was treated by stent plus coil embolization; the patient exhibited no renal insufficiency ...
Landry Gregory J - - 2010
BACKGROUND: We report a 15-year experience with renal artery revascularization during abdominal aortic aneurysm (AAA) repair. METHODS: AAA repairs from 1994 to 2009 were reviewed. Postoperative complications, renal function, patency, and survival in patients undergoing renal artery revascularization were evaluated and compared with a control group of patients undergoing juxtarenal ...
Chandarana Anish - - 2010
The radial artery is currently regarded as a useful vascular access site for coronary procedures. The transradial approach for percutaneous coronary procedures has the advantage of reduced access site complications but is associated with specific technical challenges in comparison with the transfemoral approach. Transradial procedure failures can sometimes be due ...
Flacke Sebastian - - 2010
To demonstrate the feasibility of reversible vessel embolization with angiographic guidance for delivery of a rapid reverse-thermosensitive polymer to provide hemostasis as an aid for minimally invasive renal surgery in a porcine model. After isolation of the left kidney of seven anesthetized pigs (50-70 kg) with a surgical robot, a ...
Field D K - - 2010
Reversible cerebral vasoconstriction is a rare and poorly understood syndrome, without clear diagnostic criteria. It has been described in association with multiple disorders, but has only been reported rarely in the setting of carotid artery dissection and, to our knowledge, never before in association with renal artery stenosis.
Simon James F - - 2010
Percutaneous intervention has become very popular for treating atherosclerotic renal artery stenosis, as the use of stents has boosted the rate of technical success and as more cases are being discovered incidentally during angiography of the coronary or other arteries. Yet randomized trials indicate that the procedure does little in ...
Kobo Ofer - - 2010
Renal artery stenosis is one of the most frequent causes of secondary hypertension. Appropriate methods for screening, diagnosis and therapy are currently under debate. To evaluate and recommend methods for screening and diagnosing renal artery stenosis, and to assess the clinical outcomes of renal artery stenting. A total of 450 ...
John Santhosh G - - 2010
Isolated spontaneous dissection of renal arteries or its branches are extremely rare. Most cases of renal artery dissection are associated with underlying pathology of the renal arteries. We report a case of spontaneous dissection of the left main renal artery and infarction of the left kidney with positive antiphospholipid antibody. ...
Igbokidi Oyidie - - 2010
Aorto-ostial lesions pose complex technical challenges in percutaneous revascularization procedures. The successful use of the ostial positioning system OstialPro has been reported in coronary arteries. This nitinol device has self expanding legs that open just distal to the guide catheter. This allows the stent to be deployed in the ostium ...
Gümüştaş Sevtap - - 2010
A 16-year-old boy was admitted to our hospital with uncontrolled hypertension. A left renal artery aneurysm was detected on colour Doppler US and CT. Renal arteriography demonstrated the aneurysm and focal renal parenchymal areas of decreased perfusion. The renal artery aneurysm was successfully treated by transcatheter coil embolization.
Tarmiz A - - 2010
Idiopathic renal arteriovenous fistulas are extremely rare. They are believed to occur as the result of congenital renal artery aneurysm that erodes into an adjacent vein. We report a case of a 48-year-old man in whom we discovered fortuitously a painless mass of the right flank. Computed tomography revealed a ...
Minonishi Toshiyuki - - 2010
PURPOSE: Olprinone, one of the most frequently used phosphodiesterase-3 inhibitors, exerts its positive inotropic and vasodilation effects by inhibiting the degradation of intracellular cyclic adenosine monophosphate (cAMP). The vasodilation response to olprinone is not uniform among the different vascular beds. This study was designed to compare the vasorelaxation response to ...
Chabrot Pascal - - 2010
Traumatic injury of renal arteries is rare and can induce renal dysfunction and hypertension. Management options include observation, nephrectomy, surgical repair, and, more recently, percutaneous angioplasty. We report three cases of renal artery thrombosis occurring in young multitrauma patients (mean age 28.7 years) treated with stenting. Immediate satisfactory results were ...
Johansson Mats - - 2010
OBJECTIVE: Although clinically relevant atherosclerosis of the upper limb arteries is rarely seen, intimal hyperplasia of the arteries may reflect global atherosclerosis and increased intima-media thickness of the brachial artery has been linked to an increased risk of cardiovascular events and to early failure of the radiocephalic arteriovenous fistula. We ...
Espinoza-Valdez Aurora - - 2010
The kidney is one of the most complicated organs in terms of structure and physiology, in part because it is highly vascularized. The renal vascular development occurs through two mechanisms that sometimes overlap: vasculogenesis and angiogenesis. Here, we consider angiogenesis to model the renal arterial tree with the two processes ...
O'Flynn Padraig M - - 2010
Vessel geometry determines blood flow dynamics and plays a crucial role in the pathogenesis of vascular disease. In vivo assessment of three-dimensional (3D) vessel anatomy is vital to improve the realism of arterial flow model geometries and investigate factors associated with the localisation of atherosclerosis. The quantification of vascular geometry ...
Minonishi Toshiyuki - - 2010
PURPOSE: Olprinone, one of the most frequently used phosphodiesterase-3 inhibitors, exerts its positive inotropic and vasodilation effects by inhibiting the degradation of intracellular cyclic adenosine monophosphate (cAMP). The vasodilation response to olprinone is not uniform among the different vascular beds. This study was designed to compare the vasorelaxation response to ...
Giulianotti Pier Cristoforo - - 2010
The aim of this article is to report our experience in the repair of renal artery aneurysms using robot-assisted surgery. Between December 2002 and March 2009, five women with a mean age of 63.8 years (range, 57-78 years) underwent robot-assisted laparoscopic repair of renal artery aneurysms by the same surgeon ...
Capoccia Laura - - 2010
We describe the occurrence of monolateral aseptic sialadenitis following non-iodinated contrast medium (ICM) administration for a carotid artery stenting procedure in a 71-year-old man. The mechanism for iodide-induced sialadenitis may be idiosyncratic or related to toxic accumulation of iodide. The risk for sialadenitis is directly related to serum iodide levels ...
Adler Adam C - - 2010
Isolated renal vein thrombosis is a rare radiographic finding. We present a patient whose complaint of flank pain led to the diagnosis of a renal vein thrombosis and uncovered massive pulmonary emboli. In this case, computed tomography (CT) of the chest was helpful in diagnosing the pulmonary emboli that were ...
Cansu A - - 2010
Idiopathic infantile arterial calcification (IIAC) is a rare disease of unknown etiology, which is characterized by arterial calcification. A 29-year-old primigravida at 33 weeks' gestation was referred for further evaluation for polyhydramniosis. An ultrasonographic examination revealed an intrauterine growth restricted fetus, pericardial effusion, increased renal cortical echogenicity with sparing of ...
Asteriou Christos - - 2010
Acute renal arterial thrombosis is a rare but very urgent situation demanding immediate treatment. It is characterized by unspecific symptomatology which often misleads the clinicians. As a result, precious time can be lost until the correct diagnosis is reached. The case of a 53-year-old female who underwent a left upper ...
Koplay Mustafa - - 2010
OBJECTIVE: To present a case of a rare variation of the renal artery and multiple (7) renal arteries by multidetector computed tomography (MDCT) angiography. CLINICAL PRESENTATION AND INTERVENTION: A 36-year-old male patient was admitted to our hospital as a potential living donor for renal transplantation. An MDCT angiography was performed ...
Zăhoi Delia Elena - - 2010
Right renal ectopia with malrotation was seen on a CT angiography in a 64-year-old male patient. Bilateral triple renal arteries were also revealed: one main (superior) renal artery and two accessory arteries (middle and inferior), all originating in the abdominal aorta. The renal arteries are disposed symmetrically. The main arteries ...
Zasorin S V - - 2010
Many centres appear to perform carotid endarterectomy solely based on the findings of duplex scanning. There are two fundamental methods aimed at assessing the stenosis degree during an altrasonographic study, i. e., planimetric examination and Doppler altrasonography. Doppler ultrasonographic criteria have an independentsignificance when the assessment of the stenosis degree ...
Motoc A - - 2010
The male gonad receives nerve fibers from the autonomic ganglionic system. By the present study, we aimed to bring detailed evidences, topographic and structural, on the spermatic ganglia (SG) in humans, as suppliers of autonomic fibers for the testis. We performed retroperitoneal dissections in 25 formalin-fixed human male adult cadavers. ...
Lund Morten Enemark - - 2010
Renal Artery Stenosis (RAS) is the most common cause of secondary hypertension, and early diagnosis is important since correct and timely treatment may cure hypertension and prevent loss of renal function. This study investigates a new approach to diagnosing renal artery stenosis by computer analysis of the phonogram recorded with ...
Cam Akin - - 2010
Renovascular hypertension due to atherosclerotic renal artery stenosis is the most common cause of secondary hypertension. Percutaneous catheter-based renal artery revascularization has been increasingly utilized for the treatment of renal artery stenosis. Renal artery stenting has a high technical success rate, but the rate of improvement in hypertension is somewhat ...
Chrysochou Constantina - - 2010
With an increasingly ageing and atherosclerotic-prone population, clinical encounters with patients with atheromatous renovascular disease (ARVD) are commonplace. ARVD is frequently associated with chronic kidney disease (CKD) and hypertension, but evidence suggests that causality only occurs in the minority and it is likely that many atherosclerotic renal artery stenosis (RAS) ...
Stouffer G A - - 2010
Unilateral renal artery ligation (RAL) causes a short-term vascular inflammatory reaction in ApoE-/- mice, but whether this persists is unknown. Partial constriction of the right renal artery resulted in a mild, sustained increase in systolic blood pressure over the 90 days of the study, whereas there was no change in ...
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