نتایج جستجو برای: ultrasound duplex scanning

تعداد نتایج: 280202  

2017
Miguel Angel Montorfano Fernando Pla Leonardo Vera Omar Cardillo Stefano Geniere Nigra Lisandro Miguel Montorfano

BACKGROUND The aim of this study is to describe point-of-care ultrasound and Color flow Duplex Doppler characteristics of penetrating and blunt trauma-related vascular injuries of the limbs and neck. METHODS Penetrating and blunt trauma-related vascular injuries such as vein disruption, intimal flap, deep vein thrombosis, arterial dissection, pseudoaneurysm, and arteriovenous fistulae are dis...

2016
Alex Aparecido Cantador Daniel Emílio Dalledone Siqueira Octavio Barcellos Jacobsen Jamal Baracat Ines Minniti Rodrigues Pereira Fábio Hüsemann Menezes Ana Terezinha Guillaumon

OBJECTIVE To compare duplex ultrasound and computed tomography (CT) angiography in terms of their performance in detecting endoleaks, as well as in determining the diameter of the aneurysm sac, in the postoperative follow-up of endovascular abdominal aortic aneurysm repair. MATERIALS AND METHODS This was a prospective study involving 30 patients who had undergone endovascular repair of infrar...

Journal: :Circulation 2010
Christoph Thalhammer Markus Aschwanden Beatrice R Amann-Vesti

Duplex ultrasound is widely used to detect vascular dysfunction after kidney transplantation. We describe musical murmurs found in renal allografts. A 29-year-old man with an increase in serum creatinine 1 month after cadaveric kidney transplantation was referred for duplex ultrasound to exclude perfusion dysfunction. Renal arterial and venous circulation was normal. However, during Doppler spe...

Journal: :Perspectives in vascular surgery and endovascular therapy 2004
R Eugene Zierler

BACKGROUND AND PURPOSE Real-time compound ultrasound imaging is a new technique for improving the image quality of B-mode scanning. We investigated the value of this method for the characterization of atherosclerotic plaques in the internal carotid artery. METHODS Thirty-two patients (22 men, 10 women; mean age, 75 years) with plaques of the internal carotid artery as identified by high-resol...

 Backgrounds: There are controversies among surgeons about prophylaxis of deep vein thrombosis (DVT) in laparoscopic cholecystectomy. The aim of this study was the assessment of patients’ condition after laparoscopic cholecystectomy without any prophylactic measure. Methods: 100 cases of laparoscopic cholecystectomy without DVT prophylaxis were followed by duplex scanning in the first postopera...

2017
H. Komai H. Sakashita N. Miyama N. Yamamoto

INTRODUCTION Selection of the optimal anastomosis site is essential for obtaining good results from distal bypass. Herein, a unique, precise technique that uses pre-operative duplex scanning for selecting this site is presented. TECHNICAL SUMMARY Before distal bypass surgery, duplex scanning is performed to assess patency and flow. Use of the venous preset mode and controlling the slant funct...

Journal: :Minerva chirurgica 1986
N S Macklon

Accurate diagnosis of deep venous thrombosis (DVT) and pulmonary embolism (PE) is required because treatment can be life-saving, while inappropriate anticoagulation exposes the mother and fetus to haemorrhage and other hazards. Clinicians must be aware of which patients are at risk because DVT is frequently asymptomatic. Clinical diagnosis is unreliable for DVT and PE so objective tests are req...

2007
Dr. Satish Kumar

Introduction Hypertension affects up to 65 million adults in the United States. A small subset of these patients have renovascular hypertension due to obstruction of the renal arteries. Fortunately, this type of hypertension can be corrected with treatment of the offending renal artery stenosis. Many hypertensive patients are referred for duplex ultrasound to screen for the presence of renal ar...

2017
Roy Wesley Jones Godfrey Ross Parkerson Mary Ottinger Eduardo Rodriguez Brian Park

OBJECTIVE We present a case of recurrent bilateral lower extremity venous stasis ulcers in association with a superficial venous aneurysm at the right saphenofemoral junction that was misdiagnosed on preoperative duplex scanning. METHODS A 53-year-old female presented to our clinic with 6-year history of bilateral lower extremity venous stasis ulcers. Her past medical history was significant ...

Journal: :Cerebrovascular diseases 2006
Wassilios Meissner Thomas Lempert Sabine Saeuberlich-Knigge Wolfgang Bocksch Ulrich-Frank Pape

213 4 Sturzenegger M, Mattle HP, Rivoir AS, Baumgartner RW: Ultrasound fi ndings in carotid artery dissection: analysis of 43 patients. Neurology 1995; 45: 691–698. 5 Zuber J, Meary E, Meder JF, Mas JL: Magnetic resonance imaging and dynamic CT scan in cervical artery dissections. Stroke 1994; 25: 576– 581. 6 Bui LN, Brant-Zawadzki M, Verghese P, Gillan G: Magnetic resonance angiography of cerv...

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