نتایج جستجو برای: perivascular vascular adipose

تعداد نتایج: 269175  

Journal: :International Journal of Hyperthermia 2021

Objectives To compare the ablation margins and safety of microwave (MWA) perivascular versus non-perivascular liver metastases from colorectal cancer (CRC) to determine risk factors for local tumor progression (LTP) after MWA.Methods Between June 2017 2019, 84 were treated: 39 (<5 mm a vessel >3 mm), 46 non-perivascular. Perivascular treated with either conventional or optimized protocols (maxi...

Journal: :Circulation 2013
Meredith Kohr Owen Frank A Witzmann Mikaela L McKenney Xianyin Lai Zachary C Berwick Steven P Moberly Mouhamad Alloosh Michael Sturek Johnathan D Tune

BACKGROUND This investigation examined the mechanisms by which coronary perivascular adipose tissue (PVAT)-derived factors influence vasomotor tone and the PVAT proteome in lean versus obese swine. METHODS AND RESULTS Coronary arteries from Ossabaw swine were isolated for isometric tension studies. We found that coronary (P=0.03) and mesenteric (P=0.04) but not subcutaneous adipose tissue aug...

2017
Eo Jin Kim Sang Gyo Seo Hyuk Soo Shin Doo Jae Lee Ji Hye Kim Dong Yeon Lee

BACKGROUND The pericytes in the blood vessel wall have recently been identified to be important in regulating vascular formation, stabilization, remodeling, and function. We isolated and identified pericyte-like platelet-derived growth factor receptor beta-positive (PDGFRβ+) cells from the stromal vascular fraction (SVF) of adipose tissue from critical limb ischemia (CLI) patients and investiga...

2011
Ross Summer Kenneth Walsh Benjamin D. Medoff

Pulmonary arterial hypertension (PAH) is a condition of unknown etiology whose pathological features include increased vascular resistance, perivascular inflammatory cell infiltration and pulmonary arteriolar remodeling. Although risk factors for PAH are poorly defined, recent studies indicate that obesity may be an important risk factor for this condition. The mechanisms leading to this associ...

2018
Rafael M. Costa Karla B. Neves Rita C. Tostes Núbia S. Lobato

Obesity is associated with increased risk of premature death, morbidity, and mortality from several cardiovascular diseases (CVDs), including stroke, coronary heart disease (CHD), myocardial infarction, and congestive heart failure. However, this is not a straightforward relationship. Although several studies have substantiated that obesity confers an independent and additive risk of all-cause ...

2015
Gillian M Potter Fergus N Doubal Caroline A Jackson Francesca M Chappell Cathie L Sudlow Martin S Dennis Joanna M Wardlaw

BACKGROUND AND AIMS Enlarged perivascular spaces (also known as Virchow-Robin spaces) on T2-weighted brain magnetic resonance imaging are common, but their etiology, and specificity to small vessel as opposed to general cerebrovascular disease or ageing, is unclear. We tested the association between enlarged perivascular spaces and ischemic stroke subtype, other markers of small vessel disease,...

Ali Zare Mirzae Maryam Kadivar, Mohammadreza Fakhraie Pegah Babaheidarian

There are few reported cases of endobronchial metastasis of pheochromocytoma literature. We present here a 56-year old woman who underwent left lower lobectomy of lung, following pneumonia with unresolved chest radiographs. Computed tomography showed a lobulated soft tissue mass, measuring, 38×27 mm, at the perivascular space of anterior mediastinum. The resected specimen, showed lobulated tumo...

Journal: :Biological & pharmaceutical bulletin 2017
Akiko Matsuyama Shingo Takatori Yoko Sone Eiko Ochi Mitsuhiro Goda Yoshito Zamami Narumi Hashikawa-Hobara Yoshihisa Kitamura Hiromu Kawasaki

Angiogenesis, which is the generation of new vascular networks from existing blood vessels, occurs under normal and pathophysiological conditions. Perivascular nerves, which innervate mature vasculatures, maintain vascular tone and regulate tissue blood flow. However, little is known whether perivascular nerves innervate newborn blood vessels. Therefore, the aim of this study was to investigate...

2011
Patricia Iozzo

Myocardial fat content refers to the storage of triglyceride droplets within cardiomyocytes. In addition, the heart and arteries are surrounded by layers of adipose tissue, exerting vasocrine and paracrine control of the subtending tissues. The rapid development of the field of noninvasive imaging has made it possible to quantify ectopic fat masses and contents with an increasing degree of accu...

2016
Yoko Murakami Yukihiro Nagatani Masashi Takahashi Mitsuru Ikeda Itsuko Miyazawa Katsutaro Morino Takayoshi Ohkubo Hiroshi Maegawa Norihisa Nitta Hiroshi Sakai Hiromitsu Nota Noritoshi Ushio Kiyoshi Murata

Renal sinus fat is partially characteristic of peri-vascular adipose tissue, however, RSF volume (RSFV) is associated with visceral adipose tissue (VATV). Therefore, the ratio of RSFV to VATV (RSFV/VATV ratio) can distinguish the importance of RSF as an extension of VAT versus its perivascular effects. We assessed the association of RSFV/VATV ratio with coronary artery calcification score (CACS...

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