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Duplex Inferior Vena Cava News

StoryQ - Chronic cerebrospinal venous insufficiency in patients ...

2010-09-04
IVC, inferior vena cava; L-REN, left renal vein. although beyond the aim of the present study, certainly deserves further investigation. However, it should be noted that our ultrasonic assessment can be easily performed in the clinical setting, and, .... Criteria for defining significant central vein stenosis with duplex ultrasound. J Vasc Surg 2007;46:101–7. Zamboni, P. Iron-dependent inflammation in venous disease and proposed parallels in multiple sclerosis. ...

StoryQ - Venous collateral circulation of the extracraneal ...

2010-09-04
The system communicates with deep thoracic and lumbar veins, intercostal veins, AZY, and hemiazygous veins, as well as with the inferior vena cava. Particularly, the collateral circle between the AZY and the inferior vena cava, via the left renal vein ..... (2003) Extrajugular pathways of human cerebral venous blood drainage assessed by duplex ultrasound. Appl Physiol 94: 18021805. Scott, JN, Farb, RI. (2003) Imaging and anatomy of the normal intracranial venous system. ...

Laparoscopic transposition of the left renal vein into the ...

2010-06-28
Duplex scan showed no residual stenosis. Laparoscopic transposition of the left renal vein into the inferior vena cava is feasible with short length of stay and good short-term result. PMID: 20576393 [PubMed - as supplied by publisher]

Prospective randomized study comparing the clinical outcomes ...

2010-06-24
OBJECTIVE: Although anticoagulation remains the mainstay of treatment for deep venous thrombosis, the use of inferior vena cava (IVC) filters when anticoagulation has failed or when contraindicated remains a safe and effective treatment ...

The Bedside Insertion of Inferior Vena Cava Filters Using ...

2007-04-16
Transabdominal Duplex Ultrasonography for Bedside Inferior Vena Cava Filter Placement: Examples, Technique, and Review Vascular and Endovascular Surgery, August 1, 2009; 43(4): 379 - 384. [Abstract] [PDF] ...

Chronic Venous Insufficiency and Varicose Veins — NEJM

2009-05-27
Obstruction in the iliac vein plays a major role in chronic venous insufficiency, more so than obstructive lesions at the levels of the crural and femoral veins and the inferior vena cava.8,9 Iliac-vein lesions, which are often occult, ... Duplex ultrasonography performed with the standard technique is unreliable for assessment of the iliac and caval veins. Reflux in perforator veins that are smaller than 4 mm in diameter is not considered to be clinically significant. ...

Pressures in Interventional Radiology

2010-06-25
A pressure gradient > 2mm Hg between the inferior vena cava and the renal vein is suggestive of renal venous hypertension due to outflow obstruction. A pressure gradient > 2mm Hg across the hepatic vein or inferior vena cava webs in ...

Duplex ultrasonography protocol for investigation of patients ...

2009-09-09
The examination should investigate the totality of the deep vein network from the inferior vena cava to the calf veins in the lower one-third of the leg. Abnormalities of the deep veins can be postthrombotic6 or primary in origin.7 ...

Large Uterine Fibroids Causing Mechanical Obstruction of the ...

2006-10-12
Duplex ultrasound imaging confirmed venous thrombosis of the left iliac, common femoral, superficial femoral, deep femoral, greater saphenous, posterior tibial, and popliteal, peroneal, and soleal veins. A computed tomography scan showed large uterine fibroids that were completely compressing the distal inferior vena cava and both ureters, with associated hydronephrosis. A magnetic resonance venography showed the inferior vena cava proximal to the mechanical obstruction ...

Deep Vein Thrombosis (DVT) Screening was a Success - www ...

2010-07-31
The main clinical concern with DVT is the potential of a thrombus (blood clot) to break free, travel through the inferior vena cava, through the heart, and get lodged in the vessels of the lungs. ... The most commonly used test to check for DVT is duplex ultrasonography, which has very good sensitivity and specificity in certain patients. It is most reliable when used on patients who are symptomatic, especially when the symptoms are localized above the knee and below the ...