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https://www.readbyqxmd.com/read/28429535/a-cross-circulated-bicephalic-model-of-head-transplantation
#1
Peng-Wei Li, Xin Zhao, Yun-Long Zhao, Bing-Jian Wang, Yang Song, Zi-Long Shen, Hong-Jun Jiang, Hai Jin, Sergio Canavero, Xiao-Ping Ren
AIMS: A successful cephalosomatic anastomosis ("head transplant") requires, among others, the ability to control long-term immune rejection and avoidance of ischemic events during the head transference phase. We developed a bicephalic model of head transplantation to study these aspects. METHODS AND RESULTS: The thoracic aorta and superior vena cava of a donor rat were anastomosed with the carotid artery and extracorporeal veins of a recipient rat by vascular grafts...
April 21, 2017: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/28416391/ultrasound-guided-out-of-plane-versus-in-plane-transpectoral-left-axillary-vein-cannulation
#2
Madan Mohan Maddali, Nishant Ram Arora, Nilay Chatterjee
OBJECTIVE: The primary objective was to compare the frequency of first-attempt successful axillary vein cannulation by the Seldinger technique using out-of-plane ultrasound guidance versus in-plane imaging. Between the two ultrasound imaging planes, this study also compared the number of attempts that were necessary for the cannulation of the left axillary vein along with the number of needle redirections that had to be done for final cannulation of the vein. Incidence of complications and the number of times the procedure was abandoned also were compared between the two imaging planes...
February 15, 2017: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/28410763/correlation-between-upper-limb-volume-and-arterial-and-venous-blood-flow-velocity-in-lymphedema-secondary-to-breast-cancer-treatment
#3
Monique Silva Rezende, Ana Luiza Marsengo, Amanda Apolinário, Vânia Tie Koga Ferreira, Elaine Caldeira de Oliveira Guirro
OBJECTIVE: The purpose of this study was to correlate upper limb volume and arterial and venous blood flow velocity in breast cancer survivors. METHODS: A cross-sectional study was conducted on 30 women with lymphedema and a mean age of 55.60 years (standard deviation = 8.12). For the assessment of upper limb volume, perimetry was performed with measures at 6 points on the limb, which were mathematically calculated as volume. The blood flow velocity of the axillary and brachial arteries and veins were assessed by Doppler ultrasound with a probe at 4 MHz...
April 12, 2017: Journal of Manipulative and Physiological Therapeutics
https://www.readbyqxmd.com/read/28395985/manual-lymphatic-drainage-in-blood-circulation-of-upper-limb-with-lymphedema-after-breast-cancer-surgery
#4
Raquel Michelini Guerero, Lais Mara Siqueira das Neves, Rinaldo Roberto de Jesus Guirro, Elaine Caldeira de Oliveira Guirro
OBJECTIVE: The purpose of this study was to assess blood flow after manual lymphatic drainage (MLD) in women who had received surgery for breast cancer and had post-axillary lymphadenectomy lymphedema. METHODS: Sixteen volunteers (mean age 64 ± 11.44 years) were divided into 2 groups. Those in group 1 received MLD without upper limb elevation, and those in group 2 received MLD with elevation of 30° of the upper limb. Blood flow velocity of the brachial vein and artery were measured using Doppler ultrasound before, immediately after, and 30 minutes after MLD, with and without 30° of upper limb elevation as defined by a random crossover design and an interval (washout) of 7 days...
April 8, 2017: Journal of Manipulative and Physiological Therapeutics
https://www.readbyqxmd.com/read/28381444/knotted1-cofactors-blh12-and-blh14-regulate-internode-patterning-and-vein-anastomosis-in-maize
#5
Katsutoshi Tsuda, Maria Jazmin Abraham-Juarez, Akiteru Maeno, Zhaobin Dong, Dale Aromdee, Robert Meeley, Toshihiko Shiroishi, Kenichi Nonomura, Sarah Hake
Monocot stems lack the vascular cambium and instead have characteristic structures in which intercalary meristems generate internodes and veins remain separate and scattered. Developmental processes of these unique structures, however, have been poorly described. BELL1-like Homeobox (BLH) transcription factors (TFs) are known to heterodimerize with KNOTTED1-like Homeobox (KNOX) TFs to play crucial roles in shoot meristem maintenance, but their functions are elusive in monocots. We found that maize BLH12 and BLH14 have redundant but important roles in stem development...
April 5, 2017: Plant Cell
https://www.readbyqxmd.com/read/28367009/trauma-patients-warrant-upper-and-lower-extremity-venous-duplex-ultrasound-surveillance
#6
Alonso Andrade, Alan H Tyroch, Susan F McLean, Jody Smith, Alex Ramos
BACKGROUND: Due to the high incidence of thromboembolic events (deep venous thrombosis [DVT] and pulmonary embolus [PE]) after injury, many trauma centers perform lower extremity surveillance duplex ultrasounds. We hypothesize that trauma patients are at a higher risk of upper extremity DVTs (UEDVTs) than lower extremity DVTs (LEDVTs), and therefore, all extremities should be evaluated. MATERIALS AND METHODS: A retrospective chart and trauma registry review of Intensive Care Unit trauma patients with upper and LEDVTs detected on surveillance duplex ultrasound from January 2010 to December 2014 was carried out...
April 2017: Journal of Emergencies, Trauma, and Shock
https://www.readbyqxmd.com/read/28359216/revisiting-ultrasound-guided-subclavian-axillary-vein-cannulations
#7
Mourad H Senussi, Phani C Kantamneni, Ali Omranian, Mani Latifi, Tarik Hanane, Eduardo Mireles-Cabodevila, Neal F Chaisson, Abhijit Duggal, Ajit Moghekar
The Centers for Disease Control and Prevention guidelines for the prevention of catheter-related bloodstream infections suggest using "a subclavian site, rather than an internal jugular or a femoral site, in adult patients." This recommendation is based on evidence of lower rates of thrombosis and catheter-related bloodstream infections in patients with subclavian central venous catheters (CVCs) compared to femoral or internal jugular sites. However, preference toward a subclavian approach to CVC insertion is hindered by increased risk of mechanical complications, especially pneumothorax, when compared to other sites...
January 1, 2017: Journal of Intensive Care Medicine
https://www.readbyqxmd.com/read/28349586/transfemoral-access-when-superior-venous-approach-is-not-feasible-equals-overall-success-of-permanent-pacemaker-implantation-ten-year-series
#8
Juan J García Guerrero, Joaquín Fernández de la Concha Castañeda, Manuel Doblado Calatrava, Ángel Redondo Méndez, Manuel Lázaro Medrano, Antonio Merchán Herrera
BACKGROUND: When permanent pacemaker implantation is not possible or advisable via superior venous access (i.e., axillary or subclavian veins), safe and feasible surgical alternatives are required. The femoral approach is relatively unknown and seldom studied. This single-centre study analysed 10-year outcomes of a femoral implantation approach. METHODS: Data about the implantation procedure (indication, approach, lead and pacemaker models, complications), patient characteristics (age, sex, medications, comorbidities), and follow-up were analysed for all permanent pacemaker implantations using the femoral approach between June 2001 and June 2011...
March 28, 2017: Pacing and Clinical Electrophysiology: PACE
https://www.readbyqxmd.com/read/28344184/arteriovenous-hybrid-graft-with-outflow-in-the-proximal-axillary-vein
#9
Allen G Murga, Jason Chiriano, Sharon C Kiang, Sheela Patel, Christian Bianchi, Ahmed M Abou-Zamzam, Theodore H Teruya
INTRODUCTION: The patency of long-term hemodialysis access in end-stage renal disease (ESRD) patients remains a significant challenge. Often these patients are affected with limited venous outflow options, requiring limb abandonment and creation of new access in the contralateral arm. Vascular surgeons are familiar with the exposure of the proximal axillary artery via an infraclavicular incision. The axillary vein is easily exposed through this technique. The use of the hybrid Gore graft can make the venous anastomosis easier...
March 23, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28341502/significance-of-blunted-venous-waveforms-seen-on-upper-extremity-ultrasound
#10
Xuan-Binh D Pham, Ezinne J Ihenachor, Hoover Wu, Jerry J Kim, Amy H Kaji, Matthew C Koopmann, Timothy J Ryan, Christian de Virgilio
INTRODUCTION: Current guidelines recommend vascular mapping ultrasound (US) prior to arteriovenous fistula creation. Blunted venous waveforms (BVW) suggest central venous stenosis; however, this relationship and one between BVW and the presence of a central venous catheter (CVC) remain unclear. MATERIAL AND METHODS: All patients who received upper-extremity vascular mapping US between January 2013 and October 2014 at a single institution were retrospectively reviewed...
March 21, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28340223/implantation-of-cardiac-resynchronization-therapy-devices-using-three-leads-by-cephalic-vein-dissection-approach
#11
Alexios Hadjis, Riccardo Proietti, Vidal Essebag
Aims: Percutaneous subclavian, axillary, and cephalic vein access are all used in conjunction for atrial and ventricular lead implantation, though no standard approach for cardiac resynchronization therapy (CRT) device implantation has been established. We describe an effective and a safe technique for implanting three leads via cephalic vein for CRT pacemaker and/or defibrillator implantations. Methods and results: A total of 171 consecutive patients undergoing de novo implantation of CRT pacemaker or defibrillator were included...
March 17, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28328630/fluorescein-isothiocyanate-a-novel-application-for-lymphatic-surgery
#12
Lisa Spiguel, Christiana Shaw, Adam Katz, Lifei Guo, Hung-Chi Chen, Bernard T Lee, Dhruv Singhal
The Lymphatic Microsurgical Preventing Healing Approach (LYMPHA) procedure entails performing a lymphovenous bypass (LVB) at the time of axillary lymph node dissection to reduce lymphedema risk. The two most common fluorophores utilized in LVB are blue dye and indocyanine green. We developed a novel application of fluorescein isothiocyanate for intraoperative lymphatic mapping. Our goal is to demonstrate the safety and efficacy of fluorescein isothiocyanate for this application. We reviewed a prospectively collected database on breast cancer patients who underwent LYMPHA from March to September 2015...
March 21, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28297062/description-and-early-outcomes-of-the-hybrid-graft-for-dialysis
#13
Luis F Gomez, Eric K Peden
INTRODUCTION: Long-term dialysis access has become more challenging as patient survival has improved in end-stage renal disease. The GORE® Hybrid Vascular Graft (GHVG) has been designed to improve dialysis access outcomes and provide additional access options for challenging patients. In this article, we will review the design of the graft, unique properties and reported outcomes. METHODS: We reviewed data available at our institution and performed a Pubmed search on GORE® Hybrid Vascular graft...
March 6, 2017: Journal of Vascular Access
https://www.readbyqxmd.com/read/28278070/blood-flow-velocity-in-brachial-and-subclavian-vessels-immediately-after-compressive-procedures-for-treatment-of-postcancer-therapy-lymphedema-in-breast-cancer-a-randomized-blind-clinical-trial
#14
Monique Silva Rezende, Ana Luiza Marsengo, Rinaldo Roberto de Jesus Guirro, Elaine Caldeira de Oliveira Guirro
OBJECTIVE: This study sought to evaluate the effect of elastic compression, functional compressive bandaging, and kinesiotherapy on blood flow of the upper limb with lymphedema secondary to the treatment of breast cancer. METHODS: This was a randomized blind crossover clinical trial with a washout period of 7 days between treatments. We evaluated 20 women with a mean age of 66.85 years (standard deviation = 11.76), undergoing three types of therapeutic procedures randomly applied by lot: kinesiotherapy, functional compressive bandaging + kinesiotherapy (FCB), and elastic compression + kinesiotherapy (EC)...
March 2017: Lymphatic Research and Biology
https://www.readbyqxmd.com/read/28259825/soft-tissue-neoplasms-causing-apparent-venous-thoracic-outlet-syndrome
#15
Aleem K Mirza, Ian J Barrett, Animesh Rathore, Bassem T Elhassan, Peter S Rose, Thomas Shives, Thomas C Bower
Venous thoracic outlet syndrome (vTOS) usually results from compression of the subclavian vein classically as a result of narrowing of the costoclavicular space. We report 2 rare cases of soft tissue neoplasms resulting in apparent vTOS. The first case is a 46-year-old female with a 2-year history of intermittent unilateral shoulder pain, who was initially diagnosed with intervertebral disk herniation. Cervical fusion was performed; however, her symptoms progressed and she additionally developed paresthesias and venous congestion...
March 1, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28258016/primary-axillary-venous-aneurysm-associated-with-local-neurological-complications
#16
David Malem, Haider Khan Bangash, Bibombe Patrice Mwipatayi
Primary axillary venous aneurysms are rare, and there are only a handful of cases reported previously. The patient can be either asymptomatic or symptomatic, and can present with local axillary swelling, dilated venules in overlying skin associated with local discomfort, peripheral neuropathy, or pulmonary embolisms. A 30-year-old man presented with a four-month history of an uncomfortable lump in his left armpit that was associated with paraesthesia radiating down to his left forearm and hand. He had no history of arm swelling and had a normal motor neurological examination...
February 28, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28255132/extra-anatomical-veno-venous-surgical-bypass-for-central-vein-occlusion-in-patients-with-ipsilateral-arterio-venous-fistula-avf-for-haemodialysis-a-single-centre-experience
#17
K S Saravana, A A Zainal
OBJECTIVE: Central vein occlusion is a common complication related to central vein catheter insertion for haemodialysis which can be unmasked by an ipsilateral fistula creation, leading to a dysfunctional arteriovenous fistula (AVF). We describe an extra-anatomical venous bypass surgical procedure performed to maintain vascular access and reduce the symptoms of swelling of the ipsilateral upper limb, neck and face. MATERIALS AND METHODS: We report 20 consecutive patients with end-stage renal failure (ESRF) who had central vein occlusion and were not amenable to endovascular intervention...
February 2017: Medical Journal of Malaysia
https://www.readbyqxmd.com/read/28254547/surgical-repair-of-axillary-artery-aneurysm-in-a-2-year-old-child-a-case-report
#18
Asaad G Beshish, Tsovinar Arutyunyan
Peripheral aneurysm and pseudo-aneurysm of an artery is a well-recognized, but rare phenomenon in children. We report a case of an axillary artery aneurysm in a 2 year-old boy with Methicillin Resistant Staphylococcus Aureus (MRSA) septic shock, Acute Respiratory Distress Syndrome (ARDS), and Multi-Organ Dysfunction Syndrome (MODS). Definitive surgical treatment with left axillary artery aneurysm exclusion and bypass with greater saphenous vein graft was performed. To our knowledge, this is the only axillary artery aneurysm ever reported in a child...
February 27, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28194345/transaxillary-subpectoral-placement-of-cardiac-implantable-electronic-devices-in-young-female-patients
#19
Joo Hyun Oh, Chae Min Kim, Seung Yong Song, Jae Sun Uhm, Dae Hyun Lew, Dong Won Lee
BACKGROUND: The current indications of cardiac implantable electronic devices (CIEDs) have expanded to include young patients with serious cardiac risk factors, but CIED placement has the disadvantage of involving unsightly scarring and bulging of the chest wall. A collaborative team of cardiologists and plastic surgeons developed a technique for the subpectoral placement of CIEDs in young female patients via a transaxillary approach. METHODS: From July 2012 to December 2015, subpectoral CIED placement via an axillary incision was performed in 10 young female patients, with a mean age of 25...
January 2017: Archives of Plastic Surgery
https://www.readbyqxmd.com/read/28185078/-ablation-of-av-nodal-reentrant-tachycardia-via-combined-access-through-the-medial-cubital-and-axillary-vein
#20
Tobias Schreiber, Philipp Attanasio, Frank Heinzel, Burkert Pieske, Wilhelm Haverkamp, Martin Huemer
If a transfemoral approach for catheter ablation procedures of paroxysmal supraventricular tachycardias is impossible, other access sites have to be considered. We present the case of a 78-year-old woman with an inferior vena cava (IVC) filter with symptomatic episodes of an atrioventricular nodal reentrant tachycardia (AVNRT). We used a combined cubital and axillary vein approach. The tachycardia was successfully ablated within the timeframe needed for conventional ablation.
February 9, 2017: Herzschrittmachertherapie & Elektrophysiologie
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