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https://www.readbyqxmd.com/read/28448522/nestin-expression-is-upregulated-in-the-fibrotic-rat-heart-and-is-localized-in-collagen-expressing-mesenchymal-cells-and-interstitial-cd31-cells
#1
Vanessa Hertig, Kim Tardif, Marc Andre Meus, Natacha Duquette, Louis Villeneuve, Fanny Toussaint, Jonathan Ledoux, Angelino Calderone
Renal and lung fibrosis was characterized by the accumulation of collagen-immunoreactive mesenchymal cells expressing the intermediate filament protein nestin. The present study tested the hypothesis that nestin expression was increased in the hypertrophied/fibrotic left ventricle of suprarenal abdominal aorta constricted adult male Sprague-Dawley rats and induced in ventricular fibroblasts by pro-fibrotic peptide growth factors. Nestin protein levels were upregulated in the pressure-overloaded left ventricle and expression positively correlated with the rise of mean arterial pressure...
2017: PloS One
https://www.readbyqxmd.com/read/28433046/-the-risks-of-retroperitoneoscopic-adrenalectomy
#2
P Zonča, M Peteja, P Vávra, V Richter, P Ostruszka
INTRODUCTION: Minimally invasive adrenalectomy has become the gold standard for surgery of the suprarenal gland. Retroperitoneoscopic adrenalectomy with dorsal approach is preferred. The aim of our case report is to discuss potential complications that may arise from retroperitoneoscopic adrenalectomy, specifically an intra-operative injury of the inferior vena cava. CASE REPORT: A 47-year-old male patient was admitted to undergo elective adrenalectomy on the right side...
2017: Rozhledy V Chirurgii: Měsíčník Československé Chirurgické Společnosti
https://www.readbyqxmd.com/read/28410923/infrarenal-endograft-clamping-in-late-open-conversions-after-endovascular-abdominal-aneurysm-repair
#3
Paolo Perini, Alessandro de Troia, Tiziano Tecchio, Matteo Azzarone, Claudio Bianchini Massoni, Pierfranco Salcuni, Antonio Freyrie
OBJECTIVE: The aim of this study was to report the technical aspects and outcomes of late open conversion (LOC) after endovascular aneurysm repair (EVAR) in a single center by using exclusively infrarenal clamping of the endograft as an alternative to suprarenal or supraceliac aortic clamping. METHODS: A retrospective analysis of EVAR requiring late explantation (>30 days) from January 1996 to October 2016 was performed. Patients' demographics, type of endograft, duration of implantation, reason for removal, extent of stent graft removal, type of reconstruction, 30-day mortality, postoperative complications, and long-term survival were obtained for analysis...
April 11, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28408090/further-evidence-that-evar-with-suprarenal-fixation-may-be-associated-with-renal-injury
#4
J R Boyle, H H Dosluoglu
No abstract text is available yet for this article.
April 10, 2017: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28406699/early-morphologic-alterations-in-renal-artery-wall-and-renal-nerves-in-response-to-catheter-based-renal-denervation-procedure-in-sheep-difference-between-single-point-and-multiple-point-ablation-catheters
#5
M Táborský, D Richter, Z Tonar, T Kubíková, A Herman, J Peregrin, L Červenková, Z Husková, L Kopkan
Renal sympathetic hyperactivity is critically involved in hypertension pathophysiology; renal denervation (RDN) presents a novel strategy for treatment of resistant hypertension cases. This study assessed effects of two RDN systems to detect acute intravascular, vascular and peri-vascular changes in the renal artery, and renal nerve alterations, in the sheep. The procedures using a single-point or multi-point ablation catheters, Symplicity Flex(TM), Medtronic versus EnligHTN(TM), St. Jude Medical were compared; the intact contralateral kidneys served as controls...
April 12, 2017: Physiological Research
https://www.readbyqxmd.com/read/28389291/a-word-of-caution-for-extra-large-self-expandable-nitinol-stents
#6
Andrés Reyes Valdivia, Africa Duque Santos, Francisco Alvarez Marcos, Asunción Romero Lozano, Julia Ocaña Guaita, Claudio Gandarias Zúñiga
PURPOSE: To report an unsuccessful use of large nitinol stent to prevent proximal endoleak in endograft treatment for juxtarenal aortic aneurysm. CASE REPORT: Male of 82 years old, with coronary disease and severe chronic obstructive pulmonary disease (COPD) requiring oxygen support. A large 80 mm. juxtarenal aneurysm was found on routine urological examination. Neck features were as follows: 7mm and high anterior-posterior angulation. ASA IV was given. Patient wanted to be treated...
April 4, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28366303/comparison-of-midterm-results-for-the-talent-and-endurant-stent-graft
#7
Yannick W 't Mannetje, Philippe W M Cuypers, Ben R Saleem, Aron S Bode, Joep A W Teijink, Marc R H M van Sambeek
OBJECTIVE: Stent graft evolution is often addressed as a cause for improved outcomes of endovascular aneurysm repair for patients with an abdominal aortic aneurysm. In this study, we directly compared the midterm result of Endurant stent graft with its predecessor, the Talent stent graft (both Medtronic, Santa Rosa, Calif). METHODS: Patient treated from January 2005 to December 2010 in a single tertiary center in The Netherlands with a Talent or Endurant stent graft were eligible for inclusion...
March 30, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28364044/high-serum-thrombospondin-1-concentration-is-associated-with-slower-abdominal-aortic-aneurysm-growth-and-deficiency-promotes-angiotensin-ii-induced-aneurysm-in-mice
#8
Smriti M Krishna, Saiwang Seto, Roby Jose, Jiaze Li, Joseph V Moxon, Paula Clancy, David J Crossman, Paul E Norman, Theophilus I Emeto, Jonathan Golledge
Abdominal aortic aneurysm (AAA) is a common age-related vascular disease characterized by progressive weakening and dilatation of the aortic wall. Thrombospondin-1 (TSP-1; gene Thbs1) is a member of the matricellular protein family important in the control of extracellular matrix remodeling. In this study, the association of serum TSP-1 concentration with AAA progression was assessed in 276 men that underwent repeat ultrasound for a median 5.5 years. AAA growth was negatively correlated with serum TSP-1 concentration ( Spearman's rho (-)0...
March 31, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28349777/aortic-curvature-is-a-predictor-of-late-type-ia-endoleak-and-migration-after-endovascular-aneurysm-repair
#9
Richte C L Schuurmann, Kim van Noort, Simon P Overeem, Kenneth Ouriel, William D Jordan, Bart E Muhs, Yannick 't Mannetje, Michel Reijnen, Bram Fioole, Çağdaş Ünlü, Peter Brummel, Jean-Paul P M de Vries
PURPOSE: To evaluate the association between aortic curvature and other preoperative anatomical characteristics and late (>1 year) type Ia endoleak and endograft migration in endovascular aneurysm repair (EVAR) patients with hostile necks. METHODS: Eight high-volume EVAR centers contributed 116 EVAR patients (mean age 81±7 years; 103 men) to the study: 36 patients (mean age 82±7 years; 31 men) with endograft migration and/or type Ia endoleak diagnosed >1 year after the initial EVAR and 80 controls without early or late complications...
March 1, 2017: Journal of Endovascular Therapy
https://www.readbyqxmd.com/read/28335154/comparative-analysis-of-the-results-of-the-conventional-surgical-treatment-of-the-juxtarenal-and-suprarenal-abdominal-aorta
#10
Xavier Chaufour, Jean Segal, Benoit Lebas, Malcolm Le Gall, Julien Galley
No abstract text is available yet for this article.
January 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28303852/differentiation-of-lymphoma-presenting-as-retroperitoneal-mass-and-retroperitoneal-fibrosis-evaluation-with-multidetector-row-computed-tomography
#11
Shuai Zhang, Min Chen, Chun-Mei Li, Guo-Dong Song, Ying Liu
BACKGROUND: Retroperitoneal fibrosis (RPF) and lymphoma presenting as retroperitoneal mass may closely resemble each other and misdiagnosis may occur. This study investigated the differential imaging features of RPF and lymphoma which presented as a retroperitoneal soft tissue using multidetector-row computed tomography (MDCT). METHODS: The 42 consecutive patients were included in this retrospective review, including 19 RPF patients (45.2%; including 13 males and 6 females; mean age: 56...
March 20, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28285931/flow-and-wall-shear-stress-characterization-after-endovascular-aneurysm-repair-and-endovascular-aneurysm-sealing-in-an-infrarenal-aneurysm-model
#12
Johannes T Boersen, Erik Groot Jebbink, Michel Versluis, Cornelis H Slump, David N Ku, Jean-Paul P M de Vries, Michel M P J Reijnen
BACKGROUND: Endovascular aneurysm repair (EVAR) with a modular endograft has become the preferred treatment for abdominal aortic aneurysms. A novel concept is endovascular aneurysm sealing (EVAS), consisting of dual endoframes surrounded by polymer-filled endobags. This dual-lumen configuration is different from a bifurcation with a tapered trajectory of the flow lumen into the two limbs and may induce unfavorable flow conditions. These include low and oscillatory wall shear stress (WSS), linked to atherosclerosis, and high shear rates that may result in thrombosis...
March 9, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28285791/immunohistochemical-study-of-the-neural-development-transcription-factors-ttf1-ascl1-and-brn2-in-neuroendocrine-prostate-tumours
#13
E Rodríguez-Zarco, A Vallejo-Benítez, S Umbría-Jiménez, S Pereira-Gallardo, S Pabón-Carrasco, A Azueta, R González-Cámpora, P S Espinal, A García-Escudero
OBJECTIVE: Prostatic small-cell neuroendocrine carcinoma is an uncommon malignancy that constitutes 0.5-1% of all prostate malignancies. The median cancer-specific survival of patients with prostatic small-cell neuroendocrine carcinoma is 19 months, and 60.5% of the patients have metastatic disease. Neural development transcription factors are molecules involved in the organogenesis of the central nervous system and of neuroendocrine precursors of various tissues, including the suprarenal gland, thyroid glands, lungs and prostate...
March 9, 2017: Actas Urologicas Españolas
https://www.readbyqxmd.com/read/28279653/comparison-of-renal-complications-between-endografts-with-suprarenal-and-infrarenal-fixation
#14
S L Zettervall, P A Soden, S E Deery, K Ultee, K E Shean, F Shuja, R L Amdur, M L Schermerhorn
OBJECTIVES: Surgeons have multiple grafts options available for the endovascular treatment of abdominal aortic aneurysm (EVAR), and some hypothesize that suprarenal fixation endografts may result in higher rates of renal complications than infrarenal endografts. This study aimed to compare the outcomes of contemporary suprarenal and infrarenal endografts. METHODS: The Targeted Vascular Module of the National Surgical Quality Improvement Project was utilised to identify patients undergoing EVAR for infrarenal aneurysm from 2011 to 2013...
March 6, 2017: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28275961/high-diagnostic-yield-of-endoscopic-ultrasound-guided-fine-needle-aspiration-without-an-on-site-cytopathologist
#15
Shyam Sunder Sharma, Mukesh Jain, Sudhir Maharshi
BACKGROUND: Endoscopic ultrasound (EUS) is a well-established modality in diagnosing and staging of various neoplastic and non-neoplastic lesions. Its accuracy further increases in the presence of an on-site cytopathologist. There is a paucity of data on diagnostic yield of EUS-guided fine needle aspiration cytology (FNAC) without an on-site cytopathologist. METHODS: Retrospective data were analyzed at SMS Medical College, Jaipur, from January 2014 to October 2015...
March 9, 2017: Indian Journal of Gastroenterology: Official Journal of the Indian Society of Gastroenterology
https://www.readbyqxmd.com/read/28274751/predictors-of-early-aortic-neck-dilatation-after-endovascular-aneurysm-repair-with-endoanchors
#16
Apostolos K Tassiopoulos, Spyridon Monastiriotis, William D Jordan, Bart E Muhs, Kenneth Ouriel, Jean Paul De Vries
OBJECTIVE: Dilatation of the aorta within the proximal neck after endovascular aneurysm repair (EVAR) can be associated with late endoleaks and migration. This study was designed to identify predictors of early neck dilation in patients undergoing EVAR with Heli-FX EndoAnchors (Medtronic, Santa Rosa, Calif) measured perioperatively to 1 year at different longitudinal levels of neck length. METHODS: The study group of Aneurysm Treatment Using the Heli-FX Aortic Securement System (ANCHOR) comprises 257 consecutive patients prospectively enrolled between April 2012 and September 2014 undergoing EVAR with Heli-FX EndoAnchor implantation at 38 investigational sites...
March 5, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28270294/effect-of-bortezomib-on-angiotensin-%C3%A2-induced-abdominal-aortic-aneurysm-in-apoe-mice
#17
Fangda Li, Huihua Li, Cui Tian, Hao Nie, Yuehong Zheng
Objective To investigate the role of proteasome inhibitor bortezomib (BTZ) in inflammatory response in abdominal aortic aneurysm (AAA) formation induced by angiotensin Ⅱ (Ang Ⅱ). Methods Ang Ⅱ-induced ApoE(-/-) mice AAA models were established. Forty male ApoE(-/-) mice (8-10-week-old) were randomly and equally divided into four groups:Sham group,BTZ group,Ang Ⅱ group,and Ang Ⅱ+BTZ group.HE staining,immunohistochemical staining,and flow cytometry were used to analyze the inflammatory response. Real-time quantitative polymerase chain reaction (qPCR) was used to analyze the mRNA expression of intercellular cell adhesion molecule-1 (ICAM-1)...
February 20, 2017: Zhongguo Yi Xue Ke Xue Yuan Xue Bao. Acta Academiae Medicinae Sinicae
https://www.readbyqxmd.com/read/28244022/characteristics-of-immunoglobulin-g4-related-aortitis-periaortitis-and-periarteritis-on-fluorodeoxyglucose-positron-emission-tomography-computed-tomography-co-registered-with-contrast-enhanced-computed-tomography
#18
Satoshi Yabusaki, Noriko Oyama-Manabe, Osamu Manabe, Kenji Hirata, Fumi Kato, Noriyuki Miyamoto, Yoshihiro Matsuno, Kohsuke Kudo, Nagara Tamaki, Hiroki Shirato
BACKGROUND: We aimed to assess the positivity, distribution, quantitative degree of vessel inflammation, and clinical characteristics of IgG4-related aortitis/periarteritis and periarteritis (IgG4-aortitis), and to examine the difference in these characteristics between cases with and without IgG4-aortitis, using fluorodeoxyglucose positron-emission tomography/computed tomography (FDG-PET/CT) co-registered with contrast-enhanced CT (CECT). We retrospectively evaluated 37 patients with IgG4-related disease (IgG4-RD) who underwent both FDG-PET/CT and CECT...
December 2017: EJNMMI Research
https://www.readbyqxmd.com/read/28237648/risk-factors-for-abdominal-aortic-aneurysm-in-the-korean-population
#19
Sang-Ah Han, Jin Hyun Joh, Ho-Chul Park
BACKGROUND: Ultrasound screening shows a clinical benefit in reducing abdominal aortic aneurysm (AAA)-related mortality. However, its cost-effectiveness remains unclear. Understanding the relationship between risk factors and AAA is important to maximize the benefit of AAA screening. However, risk factors for AAA have not been reported in Korea. The purpose of this study was to determine the prevalence of and risk factors for AAA among the Korean population. METHODS: The study population consisted of patients >50 years of age who consented for AAA screening...
February 22, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28235651/ascending-aorta-common-hepatic-artery-bypass-for-mesenteric-revascularization
#20
Yuri Murakami, Naoki Toya, Soichiro Fukushima, Eisaku Ito, Tadashi Akiba, Takao Ohki
INTRODUCTION: Chronic aortic occlusion usually occurs from the infrarenal branch to the terminal aorta. We report the case of a patient with an occlusion that began at the suprarenal artery, and there was also occlusion of the superior mesenteric artery and extreme stenosis of the celiac artery. Antegrade bypass from the ascending aorta to the common hepatic artery was performed. PRESENTATION OF CASE: A 59-year-old patient presented to our hospital with uremia due to acute anuric renal failure and anorexia...
2017: International Journal of Surgery Case Reports
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