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Saphenous vein

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https://www.readbyqxmd.com/read/28820033/unregulated-saphenous-vein-graft-distension-decreases-tissue-viscoelasticity
#1
Eric S Wise, Kyle M Hocking, Brian C Evans, Craig L Duvall, Joyce Cheung-Flynn, Colleen M Brophy
OBJECTIVES: Unregulated intraoperative distension of human saphenous vein (SV) graft leads to supraphysiologic luminal pressures and causes acute physiologic and cellular injury to the conduit. The effect of distension on tissue viscoelasticity, a biophysical property critical to a successful graft, is not well described. In this investigation, we quantify the loss of viscoelasticity in SV deformed by distension and compare the results to tissue distended in a pressure-controlled fashion...
September 2017: Perfusion
https://www.readbyqxmd.com/read/28819879/lower-extremity-bypass-using-bovine-carotid-artery-graft-artegraft-an-analysis-of-124-cases-with-long-term-results
#2
Philip Lindsey, Angela Echeverria, Mathew Cheung, Elias Kfoury, Carlos F Bechara, Peter H Lin
INTRODUCTION: Although biological grafts have been utilized as a vascular conduit in leg bypass for many years, reports of a bovine carotid artery graft (BCAG) in lower extremity revascularization have been scarce. This study analyzed the outcome of lower leg bypass using BCAG. METHODS: A retrospective review of a prospectively collected database of all patients undergoing lower extremity bypass using BCAG from 2002 to 2017 was performed. Clinical outcomes including graft patency and limb salvage were evaluated...
August 17, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/28818228/phenotypic-and-functional-transformation-in-smooth-muscle-cells-derived-from-varicose-veins
#3
Yongbo Xu, Yuanyuan Bei, Yuan Li, Haibo Chu
OBJECTIVE: Varicose veins (VVs) are a common disorder of venous dilation and tortuosity, but the underlying mechanism is unclear. The functional integrity and phenotypic differences of VVs are also unclear. This study tested the hypothesis that phenotypic and functional differences exist between smooth muscle cells (SMCs) derived from VVs and normal veins. METHODS: SMCs were isolated from 28 samples of varicose great saphenous veins (VGSVs) and normal great saphenous (NGSVs) and cultured...
September 2017: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/28818217/thirty-sixth-month-follow-up-of-first-in-human-use-of-cyanoacrylate-adhesive-for-treatment-of-saphenous-vein-incompetence
#4
Jose I Almeida, Julian J Javier, Edward G Mackay, Claudia Bautista, Daniel J Cher, Thomas M Proebstle
OBJECTIVE: The objective of this study was to evaluate the long-term safety and effectiveness of endovenous cyanoacrylate (CA)-based closure of incompetent great saphenous veins. METHODS: This was a prospective, single-arm, single-center feasibility study conducted at the Canela Clinic (La Romana, Dominican Republic) to assess the effectiveness and safety of a CA-based adhesive for great saphenous vein closure at 36 months after treatment. Thirty-eight subjects were treated by injection of small boluses of CA under ultrasound guidance and without the use of perivenous tumescent anesthesia or postprocedure graduated compression stockings...
September 2017: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/28809436/anatomical-description-of-the-main-vessels-for-venipuncture-in-the-black-striped-capuchin-monkey-sapajus-libidinosus-silva-junior-2002
#5
Ana Y F La Salles, Jefferson F Cordeiro, José R S Santos, Artur N Carreiro, Gildenor X Medeiros, Danilo J A Menezes
BACKGROUND: The scarcity of data on the anatomy of Sapajus libidinosus has impeded the execution for appropriate veterinary treatment. The objective of this study was to describe the main peripheral veins of the capuchin monkey, used in venipuncture and indicate the best access route for venipuncture procedures. METHODS: Ten S. libidinosus corpses were used. The face, neck, chest, and pelvic limb were dissected using surgical instruments to identify and locate surface vessels...
August 15, 2017: Journal of Medical Primatology
https://www.readbyqxmd.com/read/28807217/adenosine-triphosphate-as-a-molecular-mediator-of-the-vascular-response-to-injury
#6
Christy M Guth, Weifung Luo, Olukemi Jolayemi, Kalyan S Chadalavada, Padmini Komalavilas, Joyce Cheung-Flynn, Colleen M Brophy
BACKGROUND: Human saphenous veins used for arterial bypass undergo stretch injury at the time of harvest and preimplant preparation. Vascular injury promotes intimal hyperplasia, the leading cause of graft failure, but the molecular events leading to this response are largely unknown. This study investigated adenosine triphosphate (ATP) as a potential molecular mediator in the vascular response to stretch injury, and the downstream effects of the purinergic receptor, P2X7R, and p38 MAPK activation...
August 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28805102/favourable-long-term-outcome-after-coronary-artery-bypass-grafting-in-a-nationwide-cohort
#7
Hera Johannesdottir, Linda O Arnadottir, Jonas A Adalsteinsson, Tomas A Axelsson, Martin I Sigurdsson, Solveig Helgadottir, Dadi Helgason, Helga R Gardarsdottir, Steinthor A Marteinsson, Arnar Geirsson, Gudmundur Thorgeirsson, Tomas Gudbjartsson
OBJECTIVES: In a nationwide cohort, we analyzed long-term outcome following coronary artery bypass grafting, using the combined strategy of left internal mammary artery to the left anterior descending artery and saphenous vein as secondary graft to other coronary targets. METHODS: 1,507 consecutive patients that underwent myocardial revascularization during 2001-2012 in Iceland. Mean follow-up was 6.8 years. Major adverse cardiac and cerebrovascular events were depicted using the Kaplan-Meier method...
August 13, 2017: Scandinavian Cardiovascular Journal: SCJ
https://www.readbyqxmd.com/read/28804239/iatrogenic-great-cardiac-vein-anastomosis-during-coronary-artery-bypass-surgery
#8
Alireza Bagherli, Hilary Bews, Minh Vo, John Ducas, Davinder S Jassal, Amir Ravandi
Inadvertent anastomosis of the left internal mammary artery (LIMA) or a saphenous vein graft (SVG) to the great cardiac vein (GCV) is a rare complication of coronary artery bypass grafting (CABG). We present two cases with a LIMA to GCV and a SVG to GCV anastomosis, respectively, resulting in angina and dyspnea in the postoperative state. As an alternative to repeat CABG, both patients underwent percutaneous coronary intervention with percutaneous coil embolization or implantation of an Amplatzer vascular plug within the bypass graft to GCV conduit...
September 2017: International Journal of Angiology: Official Publication of the International College of Angiology, Inc
https://www.readbyqxmd.com/read/28799238/everolimus-eluting-bioresorbable-vascular-scaffold-implantation-to-treat-saphenous-vein-graft-disease-single-center-initial-experience
#9
Fabien Picard, Guillaume Marquis-Gravel, Robert Avram, Hung Q Ly, Jean-François Dorval, Serge Doucet, Quentin de Hemptinne, Philippe L L'allier, Jean-François Tanguay
AIMS: Recent studies have shown favorable outcomes with everolimus-eluting bioresorbable vascular scaffold (BVS) in patients with stable coronary artery disease. Data on the use of BVS in saphenous vein graft disease (SVG) is currently lacking. METHODS AND RESULTS: A total of 10 consecutive patients (13 lesions, including 6 in-stent restenosis) who underwent BVS for SVG disease between May 2013 and June 2015 at a tertiary care institution were included. Median follow-up period was 874 (720-926) days...
August 10, 2017: Journal of Interventional Cardiology
https://www.readbyqxmd.com/read/28795296/current-trends-in-selection-of-conduits-for-coronary-artery-bypass-grafting
#10
REVIEW
Thierry Carrel, Bernhard Winkler
The procedure of coronary artery bypass grafting continues to be the "gold standard" for patients with multivessel coronary artery disease and left main stenosis due to favourable long-term and consistent outcomes despite the advent of new generations of stents. But the targeted better long-term outcome of surgical revascularization over percutaneous interventions depends on several variables and aspects; one of them is the choice of conduits used to bypass the stenosed arteries. Coronary artery bypass surgery has been studied and debated for decades and the same applies to the selection of grafts...
August 9, 2017: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28775075/first-selective-12-lox-inhibitor-ml355-impairs-thrombus-formation-and-vessel-occlusion-in-vivo-with-minimal-effects-on-hemostasis
#11
Reheman Adili, Benjamin E Tourdot, Katherine Mast, Jennifer Yeung, John Cody Freedman, Abigail Green, Diane K Luci, Ajit Jadhav, Anton Simeonov, David J Maloney, Theodore R Holman, Michael Holinstat
OBJECTIVE: Adequate platelet reactivity is required for maintaining hemostasis. However, excessive platelet reactivity can also lead to the formation of occlusive thrombi. Platelet 12(S)-lipoxygenase (12-LOX), an oxygenase highly expressed in the platelet, has been demonstrated to regulate platelet function and thrombosis ex vivo, supporting a key role for 12-LOX in the regulation of in vivo thrombosis. However, the ability to pharmacologically target 12-LOX in vivo has not been established to date...
August 3, 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28767808/preliminary-results-of-severe-venous-insufficiency-treatment-with-thermal-ablation-of-the-great-saphenous-vein-by-endovascular-technique-with-laser-diode-980nm-developed-in-brazil-associated-with-sclerotherapy-with-polidocanol
#12
Matheus Bertanha, Marcone Lima Sobreira, Paula Angelelli Bueno Camargo, Rafael Elias Farres Pimenta, Jamil Victor Oliveira Mariúba, Regina Moura, Vanderlei Salvador Bagnato, Winston Bonetti Yoshida
The endovenous laser ablation (EVLA) of the insufficient saphenous vein has similar results to open conventional surgery, but less morbidity. The echo-guided polidocanol foam sclerotherapy technique has been used for the same purpose. The combined techniques may play a role for more severe diseases, such as those with varicose ulcers. An EVLA device (called VELAS) has been developed in the Optics and Photonics Research Center of USP-São Carlos in agreement with FMB-UNESP. In this study, we present the preliminary results of the VELAS device (MMO 980nm diode) in patients with chronic venous ulcer, associated with echo-guided polidocanol foam sclerotherapy for the treatment of varicosities...
May 2017: Revista do Colégio Brasileiro de Cirurgiões
https://www.readbyqxmd.com/read/28766692/truncal-varicose-vein-diameter-and-patient-reported-outcome-measures
#13
T R A Lane, L Varatharajan, F Fiorentino, A C Shepherd, L Zimmo, M S Gohel, I J Franklin, A H Davies
BACKGROUND: Varicose veins and chronic venous disease are common, and some funding bodies ration treatment based on a minimum diameter of the incompetent truncal vein. This study assessed the effect of maximum vein diameter on clinical status and patient symptoms. METHODS: A prospective observational cohort study of patients presenting with symptomatic varicose veins to a tertiary referral public hospital vascular clinic between January 2011 and July 2012. Patients underwent standardized assessment with venous duplex ultrasonography, and completed questionnaires assessing quality of life (QoL) and symptoms (Aberdeen Varicose Vein Questionnaire, EuroQol Five Domain QoL assessment and EuroQol visual analogue scale)...
August 2, 2017: British Journal of Surgery
https://www.readbyqxmd.com/read/28764607/recycling-and-reinforcing-intimomedial-flap-of-the-infrarenal-aorta-using-anterior-longitudinal-ligament-in-patients-with-acute-trauma-with-bowel-injuries
#14
Milan Jovanovic, Milan Radojkovic, Predrag Djordjevic, Dejan Rancic, Nemanja Jovanovic, Zoran Rancic
We present a patient with blunt abdominal trauma with severe acute right limb ischemia and clinical signs of diffuse peritonitis. Computed tomography angiography showed circumferential dissection of the infrarenal aorta with occlusion of the right common iliac artery. We opted for simultaneous abdomen exploration and open repair of injured aorta. Critical weakening of the aortic wall with imminent rupture was identified intraoperatively. Aortotomy cranially from bifurcation showed circumferential intimomedial dissection...
January 1, 2017: Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28764596/letter-to-editor-re-mechanochemical-endovenous-ablation-of-saphenous-veins-using-the-clarivein-a-systematic-review-moca-data-reporting-needs-to-be-tighter-and-standardized
#15
https://www.readbyqxmd.com/read/28763908/-effects-of-flow-through-descending-branch-of-lateral-circumflex-femoral-artery-flap-on-repairing-high-voltage-electrical-burn-wounds-of-wrist-of-patients
#16
Y M Shen, X Chen, C Zhang, C Wang, F J Qin, C X Ma, X H Hu
Objective: To investigate the effects of flow-through descending branch of lateral circumflex femoral artery flap on repairing high-voltage electrical burn wounds of wrist of patients. Methods: From January 2014 to June 2016, 5 patients with high-voltage electrical burn of unilateral wrist were hospitalized in our burn ward, with extensive necrosis of skin soft tissue of burn wrist. Five patients were transferred to our burn ward 6 to 12 days post injury after undergoing emergency dermotomy of wrist to reduce tension in other hospitals...
July 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/28759829/adventitial-cystic-disease-of-the-popliteal-artery-treated-by-bypass-graft-utilizing-the-short-saphenous-vein-a-case-report
#17
Katsunori Miyake, Naoki Sawamura, Yuki Ikegaya, Naoko Isogai, Jun Kawachi, Rai Shimoyama, Ryuta Fukai, Hiroyuki Kashiwagi, Hidemitsu Ogino
INTRODUCTION: Adventitial cystic disease is relatively rare vascular disease, frequently occurred in the popliteal artery. No definitive treatment has been established yet. PRENTATION OF CASE: A 53-year-old woman presenting intermittent claudication of the right leg was diagnosed as adventitial cystic disease of popliteal artery. Percutaneous balloon dilation yielded an immediate recurrence. The disease was successfully treated by bypass grafting utilizing the short saphenous vein to replace the part of the popliteal artery containing the adventitial cyst...
2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28758762/-leiomyoma-of-external-iliac-vein
#18
V Sihotský, P Berek, I Kopolovets, M Kubíková, M Frankovičová
Authors present a case report of a patient who was diagnosed with a tumour of external iliac vein. Excision of venous wall with tumour and reconstruction of external iliac vein with venous patch was performed. Postoperative course was without complication. The patient is without complications and also without signs of recurrence in one year follow up. Tumours of venous wall are rare. They originate from vena cava inferior, less often from extremity veins. The most frequent primary tumours of vein wall are leiomyosarcomas...
2017: Rozhledy V Chirurgii: Měsíčník Československé Chirurgické Společnosti
https://www.readbyqxmd.com/read/28758064/bifurcated-great-saphenous-vein-a-report-on-its-therapeutic-and-diagnostic-perspectives
#19
Naveen Kumar, Ashwini P Aithal, Ravindra S Swamy, Satheesha B Nayak, Mohandas K G Rao, P Abhinitha
The great saphenous vein (GSV) is the longest superficial vein in the body extending from the medial malleolus to groin skin crease level. The clinical usage of GSV has made its anatomical variations noteworthy. Since many tributaries accompany it, GSV is often mistaken with the variant vein. Duplication and persistence of accessory GSV are the two major clinically significant anatomical variations of the GSV which is frequently misinterpreted as a synonym. In the present case, we report a unique variation of GSV wherein it bifurcated into anterior and posterior divisions of two uneven calibers at knee region, which then reunited at thigh region to form a single vein before its termination into the femoral vein...
July 2017: Journal of Cardiovascular Echography
https://www.readbyqxmd.com/read/28753228/use-of-arterialized-saphenous-vein-venous-flow-through-flaps-as-a-temporizing-measure-for-hand-salvage-in-contaminated-wounds-presenting-with-limb-ischemia-a-case-series
#20
Julian Diaz-Abele, Bauback Safa, Rudolf F Buntic, Avinash Islur
BACKGROUND: Vascular injuries resulting in limb ischemia are traditionally treated acutely with autologous or prosthetic bypass grafts. Traumatic contaminated injuries with soft tissue and vascular segmental loss are challenging as prosthetic bypasses are at risk of erosion, infection, and occlusion; and autologous bypasses are at risk of desiccation, blow-out, infection, and clotting. We propose a novel approach to these injuries by using arterialized saphenous vein venous flow-through free flaps (S-VFTF) as an autologous bypass, and present the results of its application in a series of cases...
July 28, 2017: Microsurgery
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