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Stroke, CT protocol, renal failure

E Ducasse, S Lepidi, C Brochier, S Deglise, X Berard, D Alberti, D Midy
OBJECTIVES: A straightforward original Chimney Graft (CG) protocol has been developed at our institution in selected cases of juxtarenal aortic aneurysm (JRAA). The aim of this study was to present our clinical experience of consecutive series with use of uncovered self-expanding stent (SES) as "Open Chimney" (OCh) in the endovascular repair (EVAR) of JRAA. METHODS: A standard endograft with suprarenal fixation struts is delivered with its proximal covered edge just below the highest RA in JRAA presenting the ostium of the two renal arteries at a different aortic level and the distance between the highest renal artery and the beginning of the aneurysm (improved landing zone) ≥10 mm...
February 2014: European Journal of Vascular and Endovascular Surgery
John P Coffey, Alexander Woywodt, Jonathan C Hill
To compare cardiac output (CO) and cardiac index (CI) and left ventricular ejection fraction (LVEF) in end-stage renal disease (ESRD) with a control group using gated single photon emission computed tomography (SPECT)/computed tomography (CT) imaging. Altered cardiovascular function with increased CO secondary to arterio-venous fistulas (AVF) for dialysis has been reported in patients with ESRD. Thirty-two patients (18 with AVF or graft) referred for pre-renal transplant cardiac assessment using SPECT/CT were studied with 2 comparison groups, 42 normal weight (body mass index<30) and 46 obese (body mass index>30) patients...
July 2011: Hemodialysis International
G Mommertz, F Sigala, S Langer, T A Koeppel, W H Mess, G W H Schurink, M J Jacobs
OBJECTIVE: We assessed the surgical outcome of descending thoracic aortic aneurysm repair (DTAA) and thoracoabdominal aortic aneurym (TAAA) repair in patients with Marfan syndrome. METHODS: During a six year period, 206 patients underwent DTAA and TAAA repair. In 22 patients, Marfan syndrome was confirmed. The median age was 40 years with a range between 18 and 57 years. The extend of the aneurysms included 6 DTAA (1 with total arch, 2 with distal hemi-arch), 11 type II TAAA (2 with total arch, 3 with distal hemi-arch), 4 type III and one type IV TAAA...
February 2008: European Journal of Vascular and Endovascular Surgery
Joëlle M Kefer, Claude E Hanet, Sabine Boitte, Léon Wilmotte, Martine De Kock
OBJECTIVES: This study was designed to determine whether acetylcysteine could provide a protective effect on renal function in a population of patients with normal renal function or mild to moderate chronic renal failure, usually referred for a coronary procedure. BACKGROUND: Contrast-induced nephropathy is a well-recognized complication of coronary angiography. Recent studies suggest that saline hydration and acetylcysteine reduce the incidence of contrast-induced worsening of renal function in patients with pre-existing chronic renal failure who are undergoing computed tomography examinations...
December 2003: Acta Cardiologica
Wade S Smith, Heidi C Roberts, Nathaniel A Chuang, Kenneth C Ong, Theodore J Lee, S Claiborne Johnston, William P Dillon
By combining non-contrast-enhanced CT imaging, CT perfusion imaging, and cranial-to-chest CT angiography (CTA), the entire cerebrovascular axis can be imaged during acute stroke. To our knowledge, the safety and feasibility of this technique have not been previously reported. In a consecutive series of 53 patients with suspected acute stroke, renal failure was not observed. Median imaging time was 27 minutes (range, 9-67 minutes). Image quality was degraded by motion in 1.3% of vessels studied. Dynamic CT perfusion data were successfully obtained in 52 patients (98% of patients)...
April 2003: AJNR. American Journal of Neuroradiology
R A White, C E Donayre, I Walot, G E Kopchok, E P Wilson, R Buwalda, C de Virgilio, B Ayres, M Zalewski, C M Mehringer
PURPOSE: This report reviews our preliminary experience of prospective treatment of arterial lesions with endoluminal grafts in a Food and Drug Administration (FDA)-approved, investigator-sponsored Investigation Device Exemptions study. The utility and accuracy of various imaging methods, including angiography, cinefluoroscopy, computed tomography (CT), intravascular ultrasonography (IVUS), and duplex scanning, in performing the procedures was also assessed. METHODS: Thirty-one patients were evaluated; 17 patients were treated, including 11 with abdominal aortic aneurysms, one with an aortic occlusive lesion, two with iliac artery aneurysms, and three with traumatic arteriovenous fistulas...
October 1996: Journal of Vascular Surgery
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