Search Results
Results 451 - 500 of 1764
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Karmacharya Jagajan - - 2006
Accessory renal arteries are frequently encountered when patients are evaluated for endovascular abdominal aortic aneurysm repair (EVAR). Some have considered their presence a contraindication to EVAR in fear of endoleak and the end result of renal function. We sought to determine whether the coverage of accessory renal arteries during EVAR ...
Yoshida Soichiro - - 2006
A case of bilateral renal angiomyolipoma coexistent with pulmonary lymphangioleiomyomatosis and tuberous sclerosis was described, being in shock with massive hematuria. The left giant angiomyolipoma, filling the almost entire abdomen, was complicated with two large hump and moniliform aneurysms. This life-threatening hemorrhage was successfully treated by transcatheter arterial embolization; packing ...
Okamoto Keishi - - 2006
Among cases that had multiple renal arteries on one side, an inferior supernumerary renal artery was found in 24/270 cases (ca. 9%) on the right and in 19/270 cases (ca. 7%) on the left, together with the usual renal artery. We have noticed that there are correlations between their levels ...
Numakura Chikahiko - - 2006
Idiopathic infantile arterial calcification (IIAC) is a life-threatening disorder in young infants. Cardiovascular symptoms are usually apparent within the first month of life. The symptoms are caused by calcification of large and medium-sized arteries, including the aorta, coronary arteries, and renal arteries. Most of the patients die by 6 months ...
Volpe Piero - - 2006
A horseshoe kidney poses special problems during treatment of an abdominal aortic aneurysm (AAA), and there is much controversy about the most suitable method of repair. We report the case of a 65-year-old man with a horseshoe kidney, in whom an AAA was treated with a unibody bifurcated endograft. During ...
Belov Yu V - - 2006
Presented herein are a rare clinical case and the results of successful staged surgical treatment of a patient with vasorenal hypertension, who had undergone repair of the thoracoabdominal aorta from the isthmus to the bifurcation with replantation of the intercostal, visceral and renal arteries according to Crawford. In the long-term ...
Peco-Antic Amira - - 2006
Renal artery stenosis (RAS) is one of the most common causes of severe arterial hypertension in infants. Its management is very difficult, especially when present in a single kidney. We report a case of severe hypertension caused by RAS of congenital single pelvic kidney in a 4-month-old boy. The patient ...
Derbent Murat - - 2006
Brachydactyly short-stature hypertension syndrome, also known as hypertension-with-brachydactyly (HTNB) syndrome, is a rare autosomal dominant disorder that was first described by Bilginturan and colleagues in 1973. Many familial cases of HTNB have been reported, but the first sporadic case of this condition was published only recently. This article describes a ...
Eskandari Mark K - - 2005
Increasing utilization of diagnostic imaging studies has provided newer insight into our current knowledge of visceral artery aneurysms. Because many are "silent," an appreciation of the true incidence and natural history of these nonaortic arterial aneurysms is only recently being understood. Historical data suggest that renal artery aneurysms (RAAs) occur ...
Zeller Thomas - - 2005
Renal artery stenosis may cause or deteriorate arterial hypertension and/or renal insufficiency. Technical improvements of diagnostic and interventional endovascular tools have lead to a more widespread use of endoluminal renal artery revascularization and extension of the indications for this type of therapy. Since the first renal artery angioplasties performed by ...
Coulier B - - 2005
OBJECTIVE: To justify and illustrate the advantages of multidetector-row CT (MDCT) as probably the most effective method for imaging of renal arteries and to debate the question of multiple renal arteries. METHODS AND MATERIAL: The renal arteries of 158 hypertensive patients were investigated with 8-row and 16-row MDCT using a ...
Nakamura Yoichi - - 2005
Two cases of the horseshoe kidney in Japanese cadaver were reported in this paper. The kidneys and their associated vessels in the retroperitoneal cavity were carefully examined, and the histological examination of the isthmus was performed. In Case 1, four arteries arose from the abdominal aorta. One right and two ...
Weld Kyle J - - 2005
OBJECTIVES: To evaluate the feasibility of selective segmental artery clamping during partial nephrectomy. METHODS: Precise extraparenchymal renal hilar dissection was performed on 73 fixed cadaveric kidneys. The surgical accessibility to clamping of each presegmental and segmental artery from the anterior and posterior approaches was determined on the basis of vessel ...
Ferrante Angela - - 2005
BACKGROUND: True venous aneurysms of the renal veins are very uncommon lesions. Diagnosis is incidental, and thrombosed aneurysms may simulate solid renal masses. METHODS AND RESULTS: A case of right renal vein aneurysm incidentally found in a patient with a ispilateral renal carcinoma and abdominal aortic aneurysm is reported. While ...
Araujo Mardhen B - - 2005
BACKGROUND AND PURPOSE: The endovascular stapler is the standard of care for renal-vein ligation during nephrectomy, but recently, some reports have addressed the need for lowering the costs in the operating room. The authors describe the first use of "boatman's knot" in renal-vein ligation during laparoscopic nephrectomy and tests of ...
Dayes Lloyd A - - 2005
Fibromuscular dysplasia is a noninflammatory segmental disease of the arteries, of unknown origin. While the renal arteries are most commonly affected, other larger vessels, including the carotid and vertebrals, may be involved. Fibromuscular dysplasia has been implicated as a cause of stroke in adults and (on rare occasions) in children. ...
Loukas Marios - - 2005
Dissection of a male cadaver revealed several vascular abnormalities in the abdominal cavity, notably of the renal circulation. In particular, three renal arteries were observed on the right side and two on the left. On the right side, one accessory renal artery originated as a common trunk with the inferior ...
Gray Bruce H - - 2005
The treatment options for renal artery stenosis include bypass surgery, surgical endarterectomy, or balloon angioplasty with/without stenting. Each of these procedures is delivered today with differing frequency, morbidity/mortality, and outcomes. The procedure most applicable to patients with atherosclerotic disease is percutaneous transluminal renal angioplasty with stenting. Stents prevent plaque recoil, ...
Tomić K - - 2006
Arterial fibromuscular dysplasia (FMD) is a noninflammatory, nonatherosclerotic, occlusive condition of the systemic arteries, most frequently affecting renal arteries. Renal cell carcinoma (RCC) might be associated with arterial hypertension; however, there are no data in the literature regarding the relationship between RCC and associated renal artery changes. We analyzed a ...
Pennington Neil - - 2005
Variations in the anatomy of the abdominal aorta and its branches are of interest as vessel geometry not only determines flow dynamics, but is also crucial in the pathogenesis of vascular disease. The relationship between the anterior visceral and renal arteries is important when undertaking diagnostic arteriography and endovascular interventions. ...
Nielsen Magnus - - 2005
The purpose of this study was to develop a method based on artificial neural networks for interpretation of captopril renography tests for the detection of renovascular hypertension caused by renal artery stenosis and to assess the value of different measurements from the test. A total of 250 99mTc-MAG3 captopril renography ...
Sezai Akira - - 2005
Studies on pulsatile and nonpulsatile perfusion have long been performed. However, investigators have not reached a conclusion on which is more effective. In the present study, pulsatile cardiopulmonary bypass (CPB) was investigated in terms of the effects on cytokines, endothelin, catecholamine, and pulmonary and renal functions. Twenty-four patients who underwent ...
Hidalgo Jorge - - 2005
OBJECTIVE: To report a rare case of a Spontaneous perirenal haematoma due to Polyarteritis nodosa treated with a selective embolización of the bleeding aneurysm. Polyarteritis nodosa (PAN) is one of a spectrum of diseases thet belongs to the pathologic category of necrotizing vasculitis. Spontaneous perirenal haematoma (SPH) is an unusual ...
Retamozo Milton - - 2005
Renal ischemia remains a vexing issue in the repair of suprarenal abdominal aortic aneurysms (SR-AAAs). Multiple reconstruction methods have been described, including fish-mouth anastomoses, renal artery reimplantation, and aortorenal interposition grafts. We present an alternative method of SR-AAA repair that minimizes renal ischemia time. We describe our approach in two ...
Andersen Poul Erik - - 2005
A patient who was operated for an abdominal aortic aneurysm 7 years earlier presented with recently discovered iliac and renal artery aneurysms. The renal artery had an angulation of 90 , but the aneurysm was successfully excluded using a covered vascular stent graft placed over an extra stiff guidewire. Even ...
Koma L M - - 2005
A preliminary study was conducted to compare uncomplicated canine babesiosis (CB) and experimentally induced normovolaemic anaemia (EA) using Doppler ultrasonography of abdominal splanchnic vessels. Fourteen dogs with uncomplicated CB were investigated together with 11 healthy Beagles during severe EA, moderate EA and the physiological state as a control group. Canine ...
Beseth Bryce D - - 2005
An 8-year-old male was found on routine physical examination to have a blood pressure of 220/110. Renal angiography demonstrated bilateral renal artery stenosis and an aneurysm of the distal left renal artery with branch involvement. At operation, the left renal artery stenosis and aneurysm was repaired by ex vivo arterial ...
Memon Sameer - - 2005
A 20-year-old man was admitted to the emergency department after falling 15 m onto the roof of a car and landing on his back. Imaging by computed tomography (CT) showed delayed perfusion of the right kidney and no excretion of contrast from that kidney on delayed images. Angiography confirmed a ...
Delis Konstantinos T - - 2005
Middle aortic syndrome (MAS) is a clinical condition generated by segmental narrowing of the abdominal or distal descending thoracic aorta. MAS may be acquired, caused by Takayasu's or temporal arteritis (giant cell arteritides), neurofibromatosis, fibromuscular dysplasia, retroperitoneal fibrosis, mucopolysaccharidosis, and the Williams syndrome, or congenital, ascribed to a developmental anomaly ...
Fadini Gian Paolo - - 2005
A role for circulating progenitor cells have been recently demonstrated in many pathological conditions. Endothelial progenitor cells (EPCs) localize at sites of ischemia and stimulate neovasculogenesis. This small study was carried out to assess whether selective blood sampling during renal angiography could demonstrate an arterio-venous gradient of EPCs in 5 ...
Musa A A - - 2005
A 23 year old male Nigerian presented to the Nephrology unit of the Olabisi Onabanjo University Teaching Hospital, Sagamu, Nigeria with features of chronic renal failure secondary to chronic glomerulonephritis. He was referred to the surgical department of the hospital on account of severe torrential uncontrollable bleeding from an infected ...
Park Jae-Hyeong - - 2005
Percutaneous renal artery stenting has been demonstrated as an effective procedure to improve blood pressure control and preserve renal function of patients with artherosclerotic renal artery stenosis. Although it is a relatively safe procedure, some serious complications, including retroperitoneal hemorrhage, atheroembolism, and arterial dissection, can occur. However, development of aortic ...
Kluner Claudia - - 2005
PURPOSE: To evaluate the diagnostic impact of multislice computed tomography (MSCT) in treatment planning prior to transarterial coil embolization of iatrogenic renal injuries. METHODS: Nine patients (median age 54 years, range 36-66) with iatrogenic renal vascular injury were treated with superselective coil embolization. Prior to therapy, a dual-phase (40 and ...
Tsugawa Koji - - 2005
A 13-year-old Japanese boy with an 11-month history of systemic lupus erythematosus (SLE) without antiphospholipid antibodies (APAs) suddenly developed severe hypertension, associated with fever and generalized seizures, and mild abdominal pain. Emergency abdominal computed tomography (CT) confirmed left renal artery thrombosis, and a renal scintiscan revealed reduced blood flow to ...
van Helvoort-Postulart Debby - - 2006
To determine the costs associated with the diagnostic work-up and percutaneous revascularization of renal artery stenosis from various perspectives. A prospective multicenter comparative study was conducted between 1998 and 2001. A total of 402 hypertensive patients with suspected renal artery stenosis were included. Costs were assessed of computed tomography angiography ...
Erentug Vedat - - 2005
BACKGROUND AND AIM OF THE STUDY: We present our experience on patients with renal artery stenosis undergoing myocardial revascularization procedures. METHODS: Eighteen patients with varying degrees of renal artery stenosis were operated for coronary artery bypass grafting between 1996 and 2003. The overall incidence was 0.15%. There were nine male ...
Magne D - - 2005
Vascular calcifications are the consequence of several pathological conditions such as atherosclerosis, diabetes, hypercholesterolemia and chronic renal insufficiency. They are associated with risks of amputation, ischemic heart disease, stroke and increased mortality. A growing body of evidence indicates that vascular smooth muscle cells (VSMCs) undergo chondrogenic commitment eventually leading to ...
Bruneau Michaël - - 2005
OBJECTIVE AND IMPORTANCE: We report the third case of an aneurysm of the lateral sacral artery (AnLSA). In all cases, because of an incorrect preoperative diagnosis, the surgeons were confronted with severe and unexpected hemorrhaging, and surgery was aborted without effective treatment. Our purpose is to present the preoperative features ...
Hommels M J - - 2005
Previous studies have shown a relationship between coronary or carotid atherosclerosis and C-reactive protein (CRP) concentrations. In the present investigation, we evaluated the relationship between high-sensitivity CRP (hsCRP) concentrations and the presence of atherosclerotic lesions in the renal arteries and/or abdominal aorta. In 95 hypertensive patients who underwent intra-arterial DSA ...
Capocasale E - - 2005
Percutaneous renal artery embolization has been introduced as an alternative to nephrectomy for patients with a nonfunctioning allograft and Graft Intolerance Syndrome. The symptoms resulting from this syndrome include fever, local pain, hypertension, and hematuria. From April 2003 to October 2003, 5 patients were treated with this technique. The intraparenchymal ...
Porpiglia Francesco - - 2005
PURPOSE: We compared two techniques of early ligature of the renal artery during transperitoneal laparoscopic radical nephrectomy: a standard technique and a direct approach to the artery. PATIENTS AND METHODS: Of 100 patients undergoing transperitoneal laparoscopic radical nephrectomy at our institution, in the last 70, we used early renal-artery ligature. ...
Kim Tae-Hoon - - 2005
Only rarely is renal cell carcinoma encountered in a horseshoe kidney. This is a case report on renal cell carcinoma in a horseshoe kidney, in which superselective renal artery embolization was performed preoperatively. CT and digital subtraction angiography revealed a horseshoe kidney with a 3-cm tumor in the left side. ...
Niizuma Shinichiro - - 2005
We report a 27-year-old woman with renovascular hypertension, renal infarction, and hepatic artery aneurysm due to fibromuscular dysplasia. The patient was first noted to have renal artery aneurysm and hepatic artery aneurysm at the age of 17. The renal infarction was asymptomatic and was incidentally detected by magnetic resonance imaging ...
Yang Won Jae - - 2005
We report a case of a giant renal artery aneurysm causing hydronephrosis that initially had erroneously been thought to be a renal cyst. Giant renal artery aneurysms greater than 10 cm in diameter are very rarely reported. The aneurysm was repaired successfully with kidney preservation and closure of the arterial ...
Carter Jonathan T - - 2005
This study investigates the effect of renal artery multiplicity on donor and recipient outcomes after laparoscopic donor nephrectomy. Three-hundred and sixty-one sequential procedures were performed over a 4-year period. Forty-nine involved accessory renal arteries; of these, 36 required revascularization and 13 were small polar vessels and ligated. The 312 remaining ...
Ishikawa Toru - - 2005
The authors encountered a patient with gastric varices draining to the IVC not only via the usual route of the left renal vein but also via a circumaortic renal vein. Balloon-occluded retrograde transvenous obliteration (B-RTO) of the gastric varix was performed with balloon occlusion of the circumaortic renal vein and ...
Krämer Stefan C - - 2005
PURPOSE: To evaluate the incidence and appearance of renal infarctions after transrenal stent placement in an animal model. METHODS: An aortic stent was placed via a femoral approach in 20 female Merino sheep. Ten animals had intentional coverage of one renal ostium with the bare struts, 1 sheep had both ...
Zakynthinos Epaminondas - - 2005
Severe hemorrhage is the more frequent complication of thrombolysis, with intracranial bleeding the most critical one. We report a 73-year-old woman with major pulmonary embolism (PE), yet haemodynamically stable, in whom thrombolysis resulted in severe complications with acute renal failure (ARF) due to bilateral renal vein occlusion, quite unexpected; this ...
Cohen Debbie L - - 2005
BACKGROUND: Hypertension is a frequent medical complication of pregnancy. Renovascular hypertension is present in 5-10% of cases of severe hypertension during pregnancy. CASE: In this report we describe a 36-year-old woman with severe hypertension caused by bilateral renal artery stenosis due to fibromuscular dysplasia. Guided by the patient's ultrasound findings, ...
Dieter Robert S - - 2005
Renal artery disease is the most common cause of potentially curable secondary hypertension, with atherosclerosis as the major cause of renal artery stenosis. Fibromuscular dysplasia is a less common cause of renal artery stenosis and is most frequently observed in premenopausal women. Renal artery stenosis is likely to be underappreciated ...
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