نتایج جستجو برای: vascular diameter ratio

تعداد نتایج: 803170  

2015
Daniel Vasile Balaban Alina Popp Andrei Marian Lungu Raluca Simona Costache Ioana Alina Anca Mariana Jinga Ugo Nzeako.

Celiac disease (CD) is currently considerably underdiagnosed, setting the need for developing tools to select patients with probability of CD, who warrant further testing. Red blood cell distribution width (RDW) has been shown in previous studies to be a sensitive predictor for CD, but it lacks specificity. Splenic hypotrophy is also noted frequently in celiac patients. Our aim was to evaluate ...

Journal: :CoRR 2012
Jiabing Wang Jiaye Chen

Given a weighted and complete graph G = (V, E), V denotes the set of n objects to be clustered, and the weight d(u, v) associated with an edge (u, v) ∈ E denotes the dissimilarity between objects u and v. The diameter of a cluster is the maximum dissimilarity between pairs of objects in the cluster, and the split of a cluster is the minimum dissimilarity between objects within the cluster and o...

Journal: :acta medica iranica 0
h. sharifian f. gharekhanloo

the goal of this study was to define the normal range of diameter in the deep vein of the lower limb and to compare this range with diameter of the veins with acute thrombosis and of veins with chronic thrombosis by using color doppler sonography. the study was cross sectional. the vein diameter and vein to artery ratio in different levels were measured and the following results were obtained. ...

Journal: :Radiology 2007
Ruey-Feng Chang Sheng-Fang Huang Woo Kyung Moon Yu-Hau Lee Dar-Ren Chen

PURPOSE To retrospectively evaluate the accuracy of neural network analysis of tumor vascular features at three-dimensional (3D) power Doppler ultrasonography (US) for classification of breast tumors as benign or malignant, with histologic findings as the reference standard. MATERIALS AND METHODS This study was approved by the local ethics committee; informed consent was waived. Three-dimensi...

2017
Xu Ma Zhijuan He Ling Li Guofeng Liu Qingchun Li Daping Yang Yingbo Zhang Ning Li

BACKGROUND Tissue engineering has emerged as a promising alternative for small-diameter vascular grafts. The aim of this study was to determine the feasibility of using decellularized aortae of fetal pigs (DAFPs) to construct tissue-engineered, small-diameter vascular grafts and to test the performance and application of DAFPs as vascular tissue-engineered scaffolds in the canine arterial syste...

Journal: :PloS one 2016
Mitsuhiro Tawada Yasuhiko Ito Chieko Hamada Kazuho Honda Masashi Mizuno Yasuhiro Suzuki Fumiko Sakata Takeshi Terabayashi Yoshihisa Matsukawa Shoichi Maruyama Enyu Imai Seiichi Matsuo Yoshifumi Takei

BACKGROUND AND OBJECTIVES Encapsulating peritoneal sclerosis (EPS) is a rare but serious and life-threatening complication of peritoneal dialysis (PD). However, the precise pathogenesis remains unclear; in addition, predictors and early diagnostic biomarkers for EPS have not yet to be established. METHODS Eighty-three peritoneal membrane samples taken at catheter removal were examined to iden...

Journal: :Multimedia Tools and Applications 2022

Abstract Left subclavian artery occlusion is frequently treated by stent placement. The most commented on In-Stent Restenosis excessive thrombus that squeezes the and leads to vessel occlusion. In this paper, an automatic system provided segment left arteries aortic arches from chest MRI (Magnetic Resonance Imaging) images, then identify of based gray-levels extracted arch. Experimental results...

Journal: :archives of trauma research 0
sascha rausch department of traumatology, hand and reconstructive surgery, friedrich-schiller-universität jena, germany +49-3641322889, [email protected]; department of traumatology, hand and reconstructive surgery. friedrich-schiller-universität jena, jena, germany. tel.: +49-3641322889, fax: +49-36419322802 kajetan klos department of traumatology, hand and reconstructive surgery, friedrich-schiller-universität jena, germany +49-3641322889, [email protected] florian gras department of traumatology, hand and reconstructive surgery, friedrich-schiller-universität jena, germany +49-3641322889, [email protected] hristo kostov skulev arbeitsgemeinschaft für osteosynthesefragen, switzerland albrecht popp technical university of varna, bulgaria gunther olaf hofmann department of traumatology, hand and reconstructive surgery, friedrich-schiller-universität jena, germany +49-3641322889, [email protected]

conclusions the outside diameter/inside diameter ratio at the metaphyseal/diaphyseal junction of the distal radius on ap radiographs is suitable for use as a predictor of distal-radius bone density. further studies should be performed, and clinical utility evaluated. results the mean bmd was 0.559 (sd = 0.236) g / cm2. the mean outside diameter/inside diameter ratio was 1.24 (sd = 0.013); the r...

Journal: :Arteriosclerosis, thrombosis, and vascular biology 2010
Craig K Hashi Nikita Derugin Randall Raphael R Janairo Randall Lee David Schultz Jeffrey Lotz Song Li

OBJECTIVE To develop small-diameter vascular grafts with a microstructure similar to native matrix fibers and with chemically modified microfibers to prevent thrombosis. METHODS AND RESULTS Microfibrous vascular grafts (1-mm internal diameter) were fabricated by electrospinning, and hirudin was conjugated to the poly (L-lactic acid) microfibers through an intermediate linker of poly(ethylene ...

Journal: :Turkish journal of medical sciences 2016
Hacı Ahmet Kasapkara Abdullah Nabi Aslan Hüseyin Ayhan Murat Can Güney Murat Akçay Zeynep Şeyma Turinay Tahir Durmaz Telat Keleş Engin Bozkurt

BACKGROUND/AIM Inflammation plays an important role in the pathophysiology of vascular disease. In this study, we aimed to evaluate the associations of neutrophil to lymphocyte ratio (NLR; an indicator of inflammation) with left ventricular ejection fraction and ascending aorta diameter in patients with a bicuspid aortic valve (BAV). MATERIALS AND METHODS One hundred and thirty-nine consecuti...

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