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Results 401 - 450 of 1759
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Gandini R - - 2006
A 51-year-old man with an 8-year history of hypertension (170/115 mmHg with two drugs) and altered renal function (5.6 mg/dl serum creatinine, 101 mg/dl BUN) was referred to our Department to evaluate the renal arteries and rule out renovascular hypertension. Doppler ultrasound and magnetic resonance angiography revealed significant bilateral renal ...
Deepthinath R - - 2006
Variations in the origin of arteries in the abdomen are very common. The arteries that show frequent variations include the celiac trunk, renal arteries, and gonadal arteries. We observed multiple variations in a 45-year-old male cadaver. The variations found on the left side were: one accessory renal artery, two testicular ...
Luke Patrick - - 2006
We report the surgical management of an expanding 2.5-cm left-sided renal artery aneurysm using a robotic-assisted laparoscopic approach. Using the da Vinci surgical robotic system, we resected the aneurysm, and the anterior-inferior branch of the renal artery was reconstructed with an end-to-end anastomosis. The operative time was 360 minutes, hospitalization ...
Tanyeli Ercan - - 2006
As the number of renal surgical interventions increase a better understanding of the anatomy of renal arteries and their branches gain in importance. Here we describe a common trunk from the right side of the aorta ramifying into suprarenal and two renal hilar arteries in a 40-year-old male cadaver detected ...
Voiculescu A - - 2006
The clinical importance of renovascular disease, atherosclerotic or of other origin, arises from the fact, that renal artery stenosis (RAS), if hemodynamically significant (> 70% diameter reduction), induces arterial hypertension, renal insufficiency or both. The prevalence of RAS rises with increasing age and with the presence of atherosclerosis of the ...
Kim Woo Sun - - 2006
PURPOSE: To evaluate prospectively the hemodynamic state of the left renal vein with Doppler ultrasonography (US) and venography in pediatric patients with varicocele to assess the "nutcracker phenomenon." MATERIALS AND METHODS: The institutional review board considered this study ethically sound, and parental informed consent was obtained for all subjects. Doppler ...
Besnard Stephane - - 2006
OBJECTIVE: The objectives of this preliminary work were to evaluate the distribution of an ultrasound contrast agent (UCA) (microbubbles) in different arterial regions (brain, kidney, lower limbs) using the Doppler spectrum brightness analysis and to discuss the results in the context of decompression physiology. METHOD: There were four patients who ...
Zeller T - - 2006
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 ...
Yigal Abramowitz - - 2006
Type IV Ehlers-Danlos syndrome (EDS) is the only lethal form of EDS, mostly due to vascular complications. We describe a patient suffering from EDS type IV who presented with right thromboembolic renal infarctions due to a right renal artery aneurysm. We preferred observation to anticoagulation therapy because the thrombus in ...
Thomas A A - - 2006
Renal artery aneurysms are being encountered more frequently due to a wider use of angiography. As the risk of rupture is unclear, the indications for surgery remain controversial. Despite advances in treatment, complex aneurysms often require nephrectomy for adequate excision. We report a case of an incidentally diagnosed renal artery ...
Fenves A Z - - 2006
Systemic hypertension is a common disorder in clinical practice and causes significant morbidity and premature death. A small percentage (< 5%) of patients with hypertension may have renovascular hypertension. Strictly speaking, the term renovascular hypertension should be applied only when the blood pressure rises as a consequence of renal ischemia. ...
Muhs Bart E - - 2006
PURPOSE: To observe the natural renal artery motion during cardiac cycles in patients with abdominal aortic aneurysm (AAA) and how the implantation of stent-grafts may distort this movement. METHODS: Data on 29 renal arteries from 15 male patients (mean age 72.6 years, range 66-83) treated with Talent or Excluder stent-grafts ...
Kumar S C Koduganti R - - 2006
Flash pulmonary edema is a condition characterized by sudden and recurrent episodes of dyspnea at rest resulting from acute pulmonary venous congestion in the presence of normal or well-preserved LV systolic function. This is usually associated with bilateral renal artery stenosis or stenosis of a single surviving kidney. We report ...
Hsu Wesley - - 2006
Injury to the renal vasculature is an uncommon occurrence in the setting of blunt abdominal trauma. The authors report the case of a 2-year-old girl who developed occlusion from an intimal flap in a renal artery (grade IV renal injury) after blunt abdominal trauma that was treated with a stent ...
Ozben Beste - - 2006
Essential thrombocytosis is a myeloproliferative disorder of unknown etiology manifested clinically by the overproduction of platelets in the absence of a definable cause. Platelet dysfunction in essential thrombocytosis results in both hemorrhage and thrombosis. It is one of the rare causes of ischemic cardiovascular events. Fewer than 20 cases of ...
Rao M - - 2006
Proper knowledge of variations of the arteries supplying the kidney is essential not only to the anatomists but also to the surgeons. In the present paper we are reporting a case of bilateral early and multiple branching of the renal arteries. The origin of the 2 renal arteries was normal ...
Dellegrottaglie Santo - - 2006
Although the determinants of cardiovascular calcium have been well described in dialysis patients, the prevalence and predictors in predialysis chronic kidney disease (CKD) are less known. One hundred six patients with CKD from the Renal Research Institute-CKD Study underwent multidetector computed tomography for the assessment of calcium deposition at the ...
Raman Steven S - - 2006
OBJECTIVE: Our objective was to determine the efficacy of 16-MDCT angiography in preoperative evaluation of vascular anatomy of laparoscopic renal donors. METHODS AND MATERIALS: Fifty-five consecutive renal donors (25 men and 30 women) underwent 16-MDCT angiography followed by donor nephrectomy. In the arterial and nephrographic phases, images were acquired with ...
Nazir Zafar - - 2006
Pulmonary agenesis (PA) is a rare malformation that can be isolated or associated with other anomalies. We report 3 cases of left-sided PA having ipsilateral renal agenesis, facial, and radial ray anomalies. Patients presented in infancy with nonspecific respiratory symptoms and were diagnosed to have PA on chest radiograph and ...
Lorin Jeffrey D - - 2006
Percutaneous intervention with balloon expandable stents has proven to be an effective measure to enhance renal blood flow and control blood pressure in subjects with severe ostial renal artery lesions. A small cohort of these subjects have an ostial bifurcation, which complicates the approach to revascularization. In these cases there ...
Seracini Daniela - - 2006
In this report we present the case of a 15-month-old girl with hyponatraemic-hypertensive syndrome (HHS) caused by stenosis of the left renal artery. On sonographic examination the contralateral non-stenotic kidney appeared enlarged and with cortical hyperechogenicity mimicking a parenchymal lesion. After successful percutaneous transluminal angioplasty, when the girl became normotensive, ...
Studinger P - - 2006
Arterial baroreflex sensitivity (BRS) is markedly reduced in middle-aged patients with end-stage renal disease (ESRD), due to the combined effects of aging, arterial stiffening, and autonomic neuropathy. Much less is known about the effects of ESRD on arterial baroreflex in juvenile patients. Therefore, we investigated baroreflex function and its relation ...
West Charles A - - 2006
Few large series document surgical outcomes for patients with pararenal abdominal aortic aneurysms (PAAAs), defined as aneurysms including the juxtarenal aorta or renal artery origins that require suprarenal aortic clamping. No standard endovascular alternatives presently exist; however, future endovascular branch graft repairs ultimately must be compared with the gold standard ...
van den Berg H Rogier - - 2006
A 73-year-old man was treated because of a renal pelvis blowout of the left kidney for which he received a nephrostomy catheter without antibiotic prophylaxis. Almost a year previously this patient had undergone endovascular repair of a symptomatic infrarenal abdominal aorta aneurysm. Four weeks after the diagnosis and treatment of ...
Namasivayam Saravanan - - 2006
OBJECTIVE: To prospectively evaluate whether renal venous anatomy can be detected from arterial phase images of multidetector row CT (MDCT) of renal donors. MATERIAL AND METHODS: Institutional review board approved our study protocol with waiver of consent. Forty-eight consecutive renal donors (age range, 21-56 years; M:F, 20:28) referred for MDCT ...
Nakajima Masato - - 2006
We present the case of a 53-year-old man with renal and bilateral limb ischemia due to Stanford B aortic dissection. The thrombosis of the false lumen had progressed and compressed the true lumen, developing renal and leg ischemia. Urgent graft replacement of the infrarenal abdominal aorta with proximal fenestration was ...
Novikov Yu V - - 2006
Renal vessels in pups with experimental pulmonary stenosis, animals with corrected defect, and control dogs were examined by histological and morphometric methods. Pulmonary stenosis was followed by remodeling of the renal vascular bed and adaptive and pathological reconstruction of veins, arteries, and glomeruli. Correction of the defect was followed by ...
Köksal Yavuz - - 2006
An eight-year-old boy was admitted with a three-week history of painless masses on the left upper eyelid, in front of the left ear and on the left side of his jaw. On examination, there was a 3x2 cm tumor on the left upper eyelid, and lymphadenopathies in front of the ...
Riccetto Cássio Luís Zanettini - - 2006
OBJECTIVES: To evaluate the effectiveness and safety of a new purified collagen gel with specific properties for renal artery embolization in an experimental model in dogs. METHODS: The new gel was prepared from type I bovine tendon collagen, highly purified to eliminate immunogenicity, and reconstituted through extensive dialysis in distilled ...
König Kai - - 2006
The clinical course of two children with mid-aortic syndrome and renal artery stenosis (RAS) who suffered from severe arterial hypertension is described. Hypertension was uncontrollable by antihypertensive medication and was managed by percutaneous transluminal renal angioplasty (PTRA) with stent implantation. The pediatric experience with PTRA is limited, and there are ...
Gao Jing - - 2006
Neurofibromatosis type 1 (NF1) is a rare disease; it involves not only the nervous system, but also both large and small arteries. Common vascular complications of NF1 include arterial stenosis, aneurysms, and arteriovenous fistulas involving the abdominal aorta and its branches. A coexisting left renal artery stenosis and aneurysm in ...
Narita Shintaro - - 2006
OBJECTIVES: To compare the results of right and left hand-assisted retroperitoneoscopic living donor nephrectomy (HARDN) and assess the usefulness and feasibility of right HARDN. METHODS: A total of 68 HARDNs performed from July 2001 to February 2005 in Akita University Medical Center were entered into this study. Of these, 12 ...
Soares Gregory M - - 2006
OBJECTIVE: Digital subtraction angiography quantitative vessel analysis (QVA) to assess percent renal arterial stenosis (RAS) is the reference standard. Quantitative vessel analysis is not ideal for screening purposes. Renal artery duplex ultrasonography (RADUS) is a noninvasive method to screen for RAS using well-known parameters. We investigated the direct correlation between ...
Mahmud Ehtisham - - 2006
Fibromuscular dysplasia (FMD) leading to renal artery stenosis and hypertension is one of the most common treatable causes of secondary hypertension. However, frequently it can be difficult to judge the anatomical severity of a stenotic lesion with various noninvasive and invasive imaging modalities. We present two patients with poorly controlled ...
Wong Hubert - - 2006
OBJECTIVE: We report the case of a 4-year-old girl with tuberous sclerosis who presented with severe renovascular hypertension secondary to compression of the renal arteries by a large infradiaphragmatic abdominal aortic aneurysm. DESIGN: Case report of a previously unreported case. RESULTS: Normotension could not be achieved despite conservative treatment with ...
Wierema Thomas K A - - 2006
Renal artery stenosis remains a challenge, not only in terms of diagnosis but also in regard to when and how to treat this disease. Diagnostic tools that seemed promising have been unmasked as unreliable, and new treatment options such as angioplasty have failed to demonstrate their superiority. In the light ...
Nakayama Tsuyoshi - - 2006
We report a case of traumatic unilateral renal artery thrombosis that was successfully treated by thrombolytic therapy. The patient was a 17-year-old woman, who had put her left upper abdomen between a wall and the handle of a ground roller when using it. A computed tomography scan with intravenous contrast ...
Muhs Bart E - - 2006
PURPOSE: To report the 2-year follow-up of a pediatric patient who underwent stent-graft repair for penetrating renal artery trauma. CASE REPORT: An 11-year-old boy presented with a single anterior abdominal stab wound. He was normotensive (110/70 mmHg) but tachycardic (120 bpm). A focused abdominal sonogram for trauma revealed significant free ...
Cianci R - - 2006
AIM: Minimally invasive diagnostic techniques would be useful in the preoperative diagnosis of patients with hypertension and ischemic renal disease. The aim of our study was to compare color Doppler sonography (CDS), and magnetic resonance angiography (MRA) with the reference standard, digital subtraction angiography (DSA), in the diagnosis of renal ...
Ahmed K - - 2006
Nutcracker syndrome is caused by compression of the left renal vein between the aorta and the superior mesenteric artery where it passes in the fork formed at the bifurcation of these arteries. The phenomenon results in left renal venous hypertension. The syndrome is manifested by left flank and abdominal pain, ...
Ashida Akira - - 2006
We report two children with renovascular hypertension and fibromuscular dysplasia. They initially presented with severe hyponatremia, hypokalemia, polyuria, and transient proteinuria. This combination of symptoms is known to occur in patients with renovascular and malignant hypertension, and is known as hyponatremic-hypertensive syndrome (HHS), although it is considered rare in children. ...
Rigatelli Gianluca - - 2006
Doppler ultrasound (US), computed tomography (CT) and magnetic resonance imaging (MRI) are gaining wide acceptance as gold standard for diagnosing peripheral artery disease at thoracic and abdominal aorta level and infrainguinal arteries. A different case is that of renal artery stenosis (RAS): noninvasive techniques, CT and MRI in particular, failed ...
Briet M - - 2006
Chronic kidney disease (CKD) is associated with an increased risk of cardiovascular morbidity and mortality. Arterial stiffness and remodeling have been well documented in patients with end-stage renal disease, but little is known about arterial phenotype in CKD patients with moderate reduction in glomerular filtration rate (GFR). In total, 95 ...
Rusu M C - - 2006
During educational dissections at a human adult specimen, male, a complex picture of anatomical variants was encountered. Bilateral doubled renal arteries were found: on the right side superior hilar and inferior hilar renal arteries and on the left side superior hilar and inferior polar renal arteries. All these renal arteries ...
Ozkara Hamdi - - 2006
Current management strategies of renal angiomyolipomas (AMLs) include observation, embolization and partial or total nephrectomy. Selective arterial embolization is an effective and safe treatment of large angiomyolipomas with low complication rates. Percutaneous drainage was the recommended treatment for renal abscess formation following the embolization. Herein we describe two cases which ...
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 ...
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