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Vein harvesting

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https://www.readbyqxmd.com/read/29349542/laparoscopic-pancreaticoduodenectomy-with-reconstruction-of-the-mesentericoportal-vein-with-the-parietal-peritoneum-and-the-falciform-ligament
#1
Safi Dokmak, Béatrice Aussilhou, Mélanie Calmels, Houcine Maghrebi, Fadhel Samir Ftériche, Olivier Soubrane, Alain Sauvanet
BACKGROUND: With the improvement of the surgical technique of Laparoscopic pancreaticoduodenectomy (LPD), indications will be extended to patients with vascular invasion. With LPD, vascular grafts for reconstruction are more frequently needed because adequate mobilization is not always done and vascular grafts can safely facilitate reconstruction. We describe our experience of reconstruction with the falciform ligament. METHODS: Venous reconstruction is performed after removal of the specimen...
January 18, 2018: Surgical Endoscopy
https://www.readbyqxmd.com/read/29349401/staged-reconstruction-of-the-inferior-vena-cava-after-gunshot-injury
#2
Nathan M Droz, John K Bini, Kamran A Jafree, John H Matsuura
A 23-year-old man with a gunshot injury to the abdomen and cardiac arrest requiring emergency department thoracotomy had a transection of the distal inferior vena cava (IVC) and small bowel injury. Because of persistent hemorrhagic shock, the IVC was ligated. During the next 3 days, he developed worsening bilateral leg edema. He was taken back for reanastomosis of his small bowel and reconstruction of the IVC using autologous femoral vein harvested from the right leg. We think that patients requiring ligation of the vena cava with worsening leg edema can benefit from a staged reconstruction of the IVC...
September 2017: Journal of Vascular Surgery Cases and Innovative Techniques
https://www.readbyqxmd.com/read/29344377/major-adverse-cardiac-and-cerebrovascular-event-and-patients-quality-of-life-after-endoscopic-vein-harvesting-as-compared-with-open-vein-harvest-maqeh-a-pilot-study
#3
Heyman Luckraz, Carly Cartwright, Kumaresan Nagarajan, Prabhjeet Kaur, Alan Nevill
Background: This is a prospective, comparative, pilot and follow-up (2-year postoperatively) study in patients undergoing coronary artery bypass graft surgery where the long saphenous vein was harvested either by the endoscopic vein harvest (EVH) technique or open vein harvest (OVH) technique. Quality of life (QOL) and major adverse cardiac and cerebrovascular events (MACCE) were assessed. Methods: Alive patients who were initially part of a pilot study when EVH was introduced in our institution were included (n=48 EVH, n=49 OVH)...
2018: Open Heart
https://www.readbyqxmd.com/read/29327562/development-of-a-porcine-beating-heart-model-of-self-myocardial-retroperfusion-evaluation-of-hemodynamic-and-cardiac-responses-to-ischemia-and-clinical-applications
#4
Daniel Grandmougin, Jean-Mathieu Casse, Antoine Chalon, Yun Luo, Aude Falanga, Vanessa Marie, Fréderique Groubatch-Joineau, Brice Mourer, Marie Grandmougin, David Grandmougin, Guillaume Gauchotte, Juan-Pablo Maureira, Nguyen Tran
BACKGROUND: Retrograde perfusion into the coronary sinus is used to deliver cardioplegia. We developed an in-vivo porcine beating-heart model of self-myocardial retroperfusion (SMR) using the venous route to supply myocardial oxygenation and sought to assess hemodynamic and cardiac responses triggered by SMR before and after a prolonged occlusion of the LAD. METHODS: A bypass-line between the ascending aorta and the coronary sinus was made to perform a selective retrograde perfusion of the great cardiac vein with oxygenated blood (SMR)...
January 9, 2018: Journal of Cardiovascular Surgery
https://www.readbyqxmd.com/read/29304874/total-arterial-revascularization-in-patients-with-acute-myocardial-infarction-feasibility-and-outcomes
#5
Philippe Grieshaber, Lukas Oster, Tobias Schneider, Victoria Johnson, Coskun Orhan, Peter Roth, Bernd Niemann, Andreas Böning
BACKGROUND: In acute situations such as acute myocardial infarction (AMI) with indication for coronary artery bypass grafting (CABG), total arterial revascularization (TAR) is often rejected in favour of saphenous vein (SV) grafting, which is assumed to allow for quicker vessel harvesting, a simpler anastomosis technique, and thus quicker revascularization and fewer bleeding complications. The aim of this study was to evaluate whether reluctance to apply TAR in AMI is still justified from a technical point of view in the current era and whether superiority of TAR results is also evident in emergency patients with AMI undergoing CABG...
January 5, 2018: Journal of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/29289988/rerouting-the-internal-thoracic-pedicle-a-novel-solution-for-maxillofacial-reconstruction-in-vessel-depleted-situations-a-preliminary-anatomic-study
#6
François Morel, Frédéric Crampon, Jérôme Adnot, Pierre-Yves Litzler, Fabrice Duparc, Olivier Trost
PURPOSE: Microsurgical reconstruction in a vessel-depleted neck is a challenge due to the lack of reliable vessels in or nearby the host site. The use of the internal thoracic pedicle (ITP) by rib section or sparring is a limited option due to the small length of the pedicle of some flaps. However, in cardiac surgery, the internal thoracic artery (ITA) is widely used for myocardial revascularization, providing a long and versatile pedicle. We aimed at determining precise anatomical bases for the use of the ITP, approached by sternotomy and rerouted in the neck, as recipient vessels for free-flap facial reconstructions...
December 30, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/29281607/cabg-a-continuing-evolution
#7
REVIEW
Faisal Bakaeen
Use of coronary artery bypass grafting (CABG) has had a resurgence, as clinical trial data emerged showing that it remains the standard of care for patients with complex lesions. Debate exists regarding various factors, including endoscopic vs open vein-graft harvesting, single vs bilateral mammary artery grafts, radial artery vs saphenous vein grafts, right internal mammary artery vs radial artery grafts, and on-pump vs off-pump surgery. More recent developments include minimally invasive approaches, robotics, and hybrid revascularization, which are changing the risk-benefit ratio for this patient population...
December 2017: Cleveland Clinic Journal of Medicine
https://www.readbyqxmd.com/read/29280872/phd-2-suppression-in-mesenchymal-stromal-cells-enhances-wound-healing
#8
Sae Hee Ko, Allison C Nauta, Shane D Morrison, Michael S Hu, Andrew S Zimmermann, Michael T Chung, Jason P Glotzbach, Victor W Wong, Graham G Walmsley, H Peter Lorenz, Denise A Chan, Geoffrey C Gurtner, Amato J Giaccia, Michael T Longaker
BACKGROUND: Cell therapy with mesenchymal stromal cells is a promising strategy for tissue repair. Restoration of blood flow to ischemic tissues is a key step in wound repair, and mesenchymal stromal cells have been shown to be proangiogenic. Angiogenesis is critically regulated by the hypoxia-inducible factor (HIF) superfamily, consisting of transcription factors targeted for degradation by prolyl hydroxylase domain (PHD)-2. The aim of this study was to enhance the proangiogenic capability of mesenchymal stromal cells and to use these modified cells to promote wound healing...
January 2018: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/29275618/-effects-of-non-muscle-myosin-%C3%A2-a-silenced-bone-marrow-mesenchymal-stem-cells-on-lung-damage-of-rats-at-early-stage-of-smoke-inhalation-injury
#9
M Z Liu, J J Wang, Z H Fu, Y C Li, Z Y Jiang, W Sun, G H Guo, F Zhu
Objective: To investigate the effects of non-muscle myosin ⅡA (NMⅡA) silenced bone marrow mesenchymal stem cells (BMSCs) on the lung damage of rats at early stage of smoke inhalation injury. Methods: Forty Sprague-Dawley rats were divided into control, simple injury, NMⅡA-BMSCs, and BMSCs groups according to the completely random method, with 10 rats in each group. Rats in control group inhaled air normally, while rats in the latter 3 groups inhaled smoke to reproduce model of smoke inhalation injury...
December 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/29274151/preliminary-evaluation-of-near-infrared-vein-visualization-technology-in-the-screening-of-palatal-blood-vessels
#10
E Yaprak, S Kayaalti-Yuksek
BACKGROUND: Avoidance from palatal blood vessel rupture is a major concern during the palatal soft tissue graft surgery. There is no defined chair-side and case-specific palatal blood vessel detection approach to facilitate the harvesting process. The objective of this pilot study is to assess the feasibility of a near-infrared vein visualization system in the screening process of palatal blood vessels. MATERIAL AND METHODS: An extraoral vein visualization device (AccuVein AV400) was applied to a total of 304 hemi-maxilla of 152 individuals by two blind examiners...
December 23, 2017: Medicina Oral, Patología Oral y Cirugía Bucal
https://www.readbyqxmd.com/read/29250667/effect-of-the-veins-histopathological-characteristics-and-preexisting-medical-conditions-on-arteriovenous-fistula-maturation-and-primary-patency-in-patients-with-end-stage-renal-disease-an-observational-prospective-study
#11
Alexandru Oprea, Adrian Molnar, Svetlana Encică, Dan Ştefan VlăduŢiu, Gabriel Traian Scridon, Diana Maria Săcui, Vasile Aurelian Săsărman, Petru Adrian Mircea
We assessed the veins histopathological characteristics and preexisting medical conditions before arteriovenous fistula (AVF) creation, and their correlation with AVF outcome and primary patency in patients with end-stage renal disease (ESRD). In this observational, prospective, mono-center study in Romania, patients with artery and venous diameters =2 mm and =2.5 mm, respectively, were enrolled. Vein specimens were harvested at AVF creation and evaluated by Hematoxylin and Eosin, Masson's trichrome and Orcein stainings, in terms of intimal hyperplasia, elastic fibers disposition, medial hypertrophy and smooth muscle cell disorganization and fibrosis (graded from mild to severe)...
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/29246556/uterus-transplantation-robotic-surgeon-perspective
#12
Hubert Fornalik, Nicole Fornalik
OBJECTIVE: To study the safety and feasibility of robotic dissection of deep pelvic vessels as applied to the robotic harvesting of a uterus from live transplant donor. DESIGN: Surgical video. SETTING: Gynecologic oncology practice of a tertiary community cancer center. PATIENT(S): Two patients undergoing robotic nerve-sparing radical hysterectomy for International Federation of Gynecology and Obstetrics (FIGO) stage Ib1 cervical cancer...
December 12, 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/29242842/endoscopic-vein-harvesting-the-growing-role-in-cardiac-surgery
#13
Pouya Nezafati, Mahdi Kahrom, Mohammad Hassan Nezafati
No abstract text is available yet for this article.
2017: Archives of Medical Sciences. Atherosclerotic Diseases
https://www.readbyqxmd.com/read/29242066/external-polytetrafluoroethylene-reinforcement-of-varicose-autologous-vein-grafts-in-peripheral-bypass-surgery-produces-durable-bypass-function
#14
Achim Neufang, Christine Espinola-Klein, Savvas Savvidis, Walther Schmiedt, Alicia Poplawski, Christian Friedrich Vahl, Bernhard Dorweiler
OBJECTIVE: Use of autologous veins as peripheral bypass graft may become critical in the presence of significant varicose degeneration of the harvested vein. External support of such dilated veins with standard polytetrafluoroethylene (PTFE) prostheses was recommended as an option to use these veins for peripheral bypass. A single-center experience with this technique regarding long-term graft function, secondary reinterventions, and potential graft degeneration is presented. METHODS: Between January 1995 and January 2006, there were 54 patients with varicose veins who underwent 57 consecutive infrainguinal vein bypass operations with PTFE reinforcement in 57 limbs...
December 11, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/29235048/serum-lipid-enzyme-and-hematological-responses-of-broilers-fed-acacia-angustissima-leaf-meal-based-diets
#15
Sharai Ncube, Petronella Tapiwa Saidi, Musavengana Tapera Tivapasi, Venancio Edward Imbayarwo-Chikosi, Tinyiko Edward Halimani
The objective of the study was to determine serum lipid, enzyme, and hematological responses of broilers to Acacia angustissima leaf meal. Acacia angustissima leaves were harvested at mid maturity, ground into a leaf meal, and included in broiler diets at 0, 5, and 10%. One hundred and fifty-day-old chicks of 41.7 ± 1.560 g were randomly allocated to 15 groups of the three diets. Feed and water were provided ad libitum throughout the trial. At days 14, 28, and 42, 4 ml of blood were collected from the jugular vein in plain vacutainer tubes for alanine aminotransferase (ALT), alkaline phosphatase (ALP), aspartate aminotransferase (AST), lactate dehydrogenase (LDH), high-density lipoprotein cholesterol (HDL-C), low-density lipoprotein cholesterol (LDL-C), and total cholesterol (TC) analyses...
December 12, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/29233508/updated-anatomy-of-the-buccal-space-and-its-implications-for-plastic-reconstructive-and-aesthetic-procedures
#16
Thilo L Schenck, Konstantin C Koban, Alexander Schlattau, Konstantin Frank, Anthony P Sclafani, Riccardo E Giunta, Malcolm Z Roth, Alexander Gaggl, Robert H Gotkin, Sebastian Cotofana
BACKGROUND: The buccal space is an integral deep facial space which is involved in a variety of intra- and extra-oral pathologies and provides a good location for the harvest of the facial artery. The age-related anatomy of this space was investigated and compared to previous reports. METHODS: We conducted anatomic dissections in 102 fresh frozen human cephalic specimens (45 males, 57 females; age range 50-100 years) and performed additional computed tomographic, magnetic resonance and 3-D surface volumetric imaging studies to visualize the boundaries and the contents of the buccal space after injection of contrast enhancing material...
December 8, 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/29222565/biomechanics-and-mechanobiology-of-saphenous-vein-grafts
#17
Keith Gooch, Michael Firstenberg, Brittany Shrefler, Benjamin Scandling
Within several weeks of use as coronary artery bypass grafts (CABG), saphenous veins (SV) exhibit significant intimal hyperplasia (IH). The fact that SV do not develop significant IH in their native venous environment coupled with the rapidity with which they develop IH following grafting into the arterial circulation suggests that factors associated with the isolation and preparation of SV and/or differences between the venous and arterial environments contribute to disease progression. There is strong evidence suggesting that mechanical trauma associated with traditional techniques of SV preparation can significantly damage the vessel and might potentially reduce graft patency though modern surgical techniques reduces these injuries...
December 9, 2017: Journal of Biomechanical Engineering
https://www.readbyqxmd.com/read/29221750/secondary-surgical-site-infection-after-coronary-artery-bypass-grafting-a-multi-institutional-prospective-cohort-study
#18
Brian C Gulack, Katherine A Kirkwood, Wei Shi, Peter K Smith, John H Alexander, Sandra G Burks, Annetine C Gelijns, Vinod H Thourani, Daniel Bell, Ann Greenberg, Seth D Goldfarb, Mary Lou Mayer, Michael E Bowdish
OBJECTIVE: To analyze patient risk factors and processes of care associated with secondary surgical-site infection (SSI) after coronary artery bypass grafting (CABG). METHODS: Data were collected prospectively between February and October 2010 for consenting adult patients undergoing CABG with saphenous vein graft (SVG) conduits. Patients who developed a deep or superficial SSI of the leg or groin within 65 days of CABG were compared with those who did not develop a secondary SSI...
December 5, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29203066/-the-sural-medial-perforator-flap-anatomical-bases-surgical-technique-and-indications-in-head-and-neck-reconstruction
#19
S Struk, J-B Schaff, Q Qassemyar
INTRODUCTION: The medial sural artery perforator (MSAP) flap is defined as a thin cutaneo-adipose perforator flap harvested on the medial aspect of the leg. The aims of this study were to describe the anatomical basis as well as the surgical technique and discuss the indications in head and neck reconstructive surgery. MATERIAL AND METHODS: We harvested 10 MSAP flap on 5 fresh cadavers. For each case, the number and the location of the perforators were recorded...
December 1, 2017: Annales de Chirurgie Plastique et Esthétique
https://www.readbyqxmd.com/read/29194316/tubastatin-a-prevents-hemorrhage-induced-endothelial-barrier-dysfunction
#20
Peter J Bruhn, Vahagn C Nikolian, Ihab Halaweish, Zhigang Chang, Martin Sillesen, Baoling Liu, Yongqing Li, Hasan B Alam
BACKGROUND: Microvascular hyperpermeability resulting from endothelial barrier dysfunction (EBD) is associated with worse clinical outcomes in trauma-induced hemorrhagic shock. We have previously shown that treatment with Tubastatin A (TubA), a histone deacetylase 6 inhibitor, improves outcomes in animal models of shock. In this study, we investigate whether TubA treatment may prevent trauma-related EBD. METHODS: Wistar-Kyoto rats subjected to 40% hemorrhage were treated with TubA or vehicle control...
November 21, 2017: Journal of Trauma and Acute Care Surgery
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