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Radial artery graft

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https://www.readbyqxmd.com/read/28089778/image-noise-reduction-technology-reduces-radiation-in-a-radial-first-cardiac-catheterization-laboratory
#1
Ateka Gunja, Yagya Pandey, Hui Xie, Beata M Wolska, Adhir R Shroff, Amer K Ardati, Mladen I Vidovich
BACKGROUND: Transradial coronary angiography (TRA) has been associated with increased radiation doses. We hypothesized that contemporary image noise reduction technology would reduce radiation doses in the cardiac catheterization laboratory in a typical clinical setting. METHODS AND RESULTS: We performed a single-center, retrospective analysis of 400 consecutive patients who underwent diagnostic and interventional cardiac catheterizations in a predominantly TRA laboratory with traditional fluoroscopy (N=200) and a new image noise reduction fluoroscopy system (N=200)...
December 27, 2016: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/28056520/preoperative-insight-into-the-quality-of-radial-artery-grafts
#2
Petar Vukovic, Miodrag Peric, Sandra Radak, Nikola Aleksic, Dragana Unic-Stojanovic, Slobodan Micovic, Ivan Stojanovic, Predrag Milojevic
We investigated the impact of preoperative ultrasonography of the forearm circulation on radial artery conduit selection. Preoperative ultrasound of the forearm circulation was performed routinely in 536 patients planned for radial artery harvesting. The safety assessment of the harvest included the following algorithm of tests: the ultrasound, the Allen test, and pulse oximetry. The quality criteria that were used to exclude a radial artery from harvesting were small size of the artery, diffuse atherosclerosis, calcifications, and severe neointimal hyperplasia...
January 1, 2017: Angiology
https://www.readbyqxmd.com/read/28026888/measurement-of-blood-flow-in-an-intracranial-artery-bypass-from-the-internal-maxillary-artery-by-intraoperative-duplex-sonography
#3
Zaitao Yu, Xiang'en Shi, Shams Raza Brohi, Hai Qian, Fangjun Liu, Yang Yang
This study explored the hemodynamic characteristics of a subcranial-intracranial bypass from the internal maxillary artery by measuring blood flow on intraoperative duplex sonography. The hemodynamic parameters of the internal maxillary artery (n = 20), radial artery (n = 20), internal maxillary artery-middle cerebral artery bypass (n = 42), and internal maxillary artery-posterior cerebral artery bypass (n = 9) were measured by intraoperative duplex sonography. There was no significant difference in the internal diameters of the internal maxillary and radial arteries (mean ± SD, 2...
December 27, 2016: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/27910134/effectiveness-of-handmade-jacky-like-catheter-as-a-single-multipurpose-catheter-in-transradial-coronary-angiography-a-randomized-comparison-with-conventional-two-catheter-strategy
#4
Ismail Erden, Ebru Golcuk, Serdar Bozyel, Emine Cakcak Erden, Yakup Balaban, Kivanc Yalın, Burak Turan
OBJECTIVE: To investigate safety and efficacy of specialized hand-modified "Jacky-Like" catheter (JLC) as a single dual-purpose catheter in transradial coronary angiography. METHODS: Patients over 18 years undergoing diagnostic CAG through right radial artery (RRA) were prospectively enrolled. Procedures were performed with a single JLC modified from a left Judkins (JL) 3.5 catheter or by using 2-catheter approach (2C). Procedures with coronary artery bypass grafts or ventricular angiographies were excluded from the study...
December 2, 2016: Journal of Interventional Cardiology
https://www.readbyqxmd.com/read/27894348/change-in-luminal-diameter-of-the-left-internal-thoracic-artery-anastomosed-to-the-totally-occluded-left-anterior-descending-coronary-artery
#5
Yochun Jung, Byoung Hee Ahn, Gwan Sic Kim, In Seok Jeong, Kyo Seon Lee, Sang Yun Song, Kook Joo Na, Sang Gi Oh
BACKGROUND: Coronary artery bypass grafting (CABG) with a composite Y-graft made of the left internal thoracic artery (LITA) and another arterial graft has a risk for hypoperfusion. Changes over time in the diameter of the LITA anastomosed to the left anterior descending coronary artery (LAD) are not known. METHODS: Data were collected for 71 patients who had undergone coronary angiography (CAG) immediately and at 1 year following off-pump CABG with a composite Y-graft made of the LITA and either the radial artery or the right gastroepiploic artery...
November 28, 2016: Journal of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/27888199/risk-factors-for-decreased-cardiac-output-after-coronary-artery-bypass-grafting-a-prospective-cohort-study
#6
Eduarda Ribeiro Dos Santos, Camila Takao Lopes, Vera Lucia Regina Maria, Alba Lucia Bottura Leite de Barros
BACKGROUND: No previous study has investigated the predictive risk factors of the nursing diagnosis of risk for decreased cardiac output after coronary artery bypass grafting (CABG). AIMS: This study aimed to identify the predictive risk factors of the nursing diagnosis of risk for decreased cardiac output after CABG. METHODS: This was a prospective cohort study performed at a cardiac university hospital in São Paulo, Brazil and 257 adult patients undergoing CABG were included...
November 25, 2016: European Journal of Cardiovascular Nursing
https://www.readbyqxmd.com/read/27795989/normothermic-machine-perfusion-of-deceased-donor-liver-grafts-is-associated-with-improved-postreperfusion-hemodynamics
#7
Roberta Angelico, M Thamara P R Perera, Reena Ravikumar, David Holroyd, Constantin Coussios, Hynek Mergental, John R Isaac, Asim Iqbal, Hentie Cilliers, Paolo Muiesan, Peter J Friend, Darius F Mirza
BACKGROUND: Graft reperfusion poses a critical challenge during liver transplantation and can be associated with hemodynamic instability/postreperfusion syndrome. This is sequel to ischemia-reperfusion injury and normothermic machine preservation (NMP) may affect hemodynamic changes. Herein, we characterize postreperfusion hemodynamics in liver grafts after NMP and traditional cold preservation. MATERIALS AND METHODS: Intraoperative records of patients receiving grafts after NMP (n = 6; NMP group) and cold storage (CS) (n = 12; CS group) were compared...
September 2016: Transplantation Direct
https://www.readbyqxmd.com/read/27782943/preoperative-three-dimensional-strain-imaging-identifies-reduction-in-left-ventricular-function-and-predicts-outcomes-after-cardiac-surgery
#8
Kimberly Howard-Quijano, Ali Salem, Charles Barkulis, Einat Mazor, Jennifer C Scovotti, Jonathan K Ho, Richard J Shemin, Tristan Grogan, David Elashoff, Aman Mahajan
BACKGROUND: Echocardiography-based speckle-tracking strain imaging is an emerging modality to assess left ventricular function. The aim of this study was to investigate the change in left ventricular systolic function after cardiac surgery with 3-dimensional (3D) speckle-tracking strain imaging and to determine whether preoperative 3D strain is an independent predictor of acute and long-term clinical outcomes after aortic valve, mitral valve, and coronary artery bypass grafting operations...
February 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/27773410/total-arterial-anaortic-off-pump-coronary-artery-bypass-grafting-in-a-patient-with-heart-failure-case-report
#9
Kamales Kumar Saha, Brian Pinto, Manish Arya, Kakalee K Saha
A 69-year-old male diabetic patient of heart failure underwent successful off-pump coronary artery bypass grafting (CABG) using both internal thoracic arteries and left radial artery. There was improvement of left ventricular ejection fraction within 4 days. This is the first ever case report of off-pump CABG in a heart failure patient.
September 2016: Indian Heart Journal
https://www.readbyqxmd.com/read/27751735/a-multi-institutional-experience-in-adventitial-cystic-disease
#10
Raghu L Motaganahalli, Matthew R Smeds, Michael P Harlander-Locke, Peter F Lawrence, Naoki Fujimura, Randall R DeMartino, Giovanni De Caridi, Alberto Munoz, Sherene Shalhub, Susanna H Shin, Kwame S Amankwah, Hugh A Gelabert, David A Rigberg, Jeffrey J Siracuse, Alik Farber, E Sebastian Debus, Christian Behrendt, Jin H Joh, Naveed U Saqib, Kristofer M Charlton-Ouw, Catherine M Wittgen
BACKGROUND: Adventitial cystic disease (ACD) is an unusual arteriopathy; case reports and small series constitute the available literature regarding treatment. We sought to examine the presentation, contemporary management, and long-term outcomes using a multi-institutional database. METHODS: Using a standardized database, 14 institutions retrospectively collected demographics, comorbidities, presentation/symptoms, imaging, treatment, and follow-up data on consecutive patients treated for ACD during a 10-year period, using Society for Vascular Surgery reporting standards for limb ischemia...
January 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/27744324/the-effect-of-obesity-on-survival-in-patients-undergoing-coronary-artery-bypass-graft-surgery-who-receive-a-radial-artery
#11
Umberto Benedetto, Massimo Caputo, Mustafa Zakkar, Alan Davies, Ben Gibbison, Alan Bryan, Gianni D Angelini
OBJECTIVES: The radial artery (RA) is often used as a second arterial conduit in preference to the right internal thoracic artery in obese patients undergoing coronary artery bypass grafting (CABG) to minimise the risk of sternal wound complication. However, obesity has been found to promote RA vasoreactivity and early atherosclerotic degeneration, which may compromise graft patency when used in patients having CABG. Therefore, we investigated the effect of the RA as a second conduit compared with the saphenous vein (SV) on long-term survival in obese and non-obese patients undergoing first-time CABG...
October 15, 2016: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/27721213/graft-failure-prior-to-discharge-after-coronary-artery-bypass-surgery-a-prospective-single-centre-study-using-dual-64-slice-computed-tomography
#12
Chourmouzios A Arampatzis, Danai Chourmouzi, Glykeria Boulogianni, Pedro Lemos, Dimitrios Pentousis, Stamatia Potsi, Anestis Moumtzouoglou, Elissavet Papadopoulou, Athanasios Grammenos, Christos Voucharas, Apostolos Mpismpos, Eugene P McFadden, Antonios Drevelengas
AIMS: The purpose of this study was to assess the incidence and predictors of graft failure prior to discharge. Multi-slice computed tomography has the ability to evaluate graft patency in a non-invasive way. METHODS AND RESULTS: Of 145 consecutive patients who were screened, 73 were included in the study (78% male, mean age 65 years). A total of 206 grafts were analysed (2.8±0.9 grafts/patient). Of the 206 grafts, 126 were venous, 72 were left internal mammary, five were right internal mammary and three were radial grafts...
October 10, 2016: EuroIntervention
https://www.readbyqxmd.com/read/27716694/perioperative-utility-of-goal-directed-therapy-in-high-risk-cardiac-patients-undergoing-coronary-artery-bypass-grafting-a-clinical-outcome-and-biomarker-based-study
#13
Poonam Malhotra Kapoor, Rohan Magoon, Rajinder Rawat, Yatin Mehta
Goal-directed therapy (GDT) encompasses guidance of intravenous (IV) fluid and vasopressor/inotropic therapy by cardiac output or similar parameters to help in early recognition and management of high-risk cardiac surgical patients. With the aim of establishing the utility of perioperative GDT using robust clinical and biochemical outcomes, we conducted the present study. This multicenter randomized controlled study included 130 patients of either sex, with European system for cardiac operative risk evaluation ≥3 undergoing coronary artery bypass grafting on cardiopulmonary bypass...
October 2016: Annals of Cardiac Anaesthesia
https://www.readbyqxmd.com/read/27697357/right-internal-thoracic-artery-or-radial-artery-a-propensity-matched-comparison-on-the-second-best-arterial-conduit
#14
Umberto Benedetto, Massimo Caputo, Mario Gaudino, Roberto Marsico, Cha Rajakaruna, Alan Bryan, Gianni D Angelini
OBJECTIVES: We conducted propensity score matching to determine whether the use of the right internal thoracic artery (RITA) confers a survival advantage when compared with the radial artery (RA) as second arterial conduit in coronary artery bypass grafting. METHODS: The study population included a highly selected low-risk group of patients who received the RITA (n = 764) or the RA (n = 1990) as second arterial conduit. We obtained 764 matched pairs that were comparable for all pretreatment variables...
January 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/27670584/effect-of-transradial-catheterisation-on-patency-rates-of-radial-arteries-used-as-a-conduit-for-coronary-bypass
#15
Mohammed Ruzieh, Ankush Moza, Bhavana Siddegowda Bangalore, Thomas Schwann, Jodi Lee Tinkel
BACKGROUND: Transradial catheterisation is known to be associated with occlusion of the radial artery with an estimated incidence of 2-10% (1). There are very few studies looking at the patency of radial artery as a bypass graft after utilisation for catheterisation. METHODS: We conducted a retrospective review of patients undergoing coronary artery bypass grafting (CABG) utilising a radial artery graft. RESULTS: Long term patency rates were 59% in radial artery grafts utilised for catheterisation prior to CABG, compared to 78% if it were not (p= 0...
August 26, 2016: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/27646643/evaluation-of-anatomy-and-variations-of-superficial-palmar-arch-and-upper-extremity-arteries-with-ct-angiography
#16
Hatice Kaplanoglu, Osman Beton
AIM: To evaluate the abnormalities and variations of the arterial system of upper extremities and superficial palmar arch with computed tomography angiography and to guide the clinician during this procedure. METHODS: A total of 156 upper extremities of 78 cases were retrospectively analyzed using computed tomography angiography. The study was approved by the local ethics committee of the hospital. From the analysis of the computed tomography angiography images, the following information was recorded; the diameters and abnormalities of radial, ulnar and brachial arteries in both upper extremities, the presence of atherosclerotic changes or stenosis in these arteries, whether the superficial palmar arch was complete or incomplete, and arterial dominance...
September 19, 2016: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/27628593/-pedicled-vascularized-bone-graft-for-scaphoid-reconstruction-after-zaidemberg
#17
B Schacher, R Böttcher, A Vogel, A Asmus, S Kim, A Eisenschenk, F Eichenauer
BACKGROUND: Nonunion of the scaphoid as a result of proximal fractures, failed surgical reconstruction, and especially avascular fragment necrosis are possible indications of vascularized bone grafts. Various techniques of vascularized (pedicled and free) grafts have been described. Pedicled grafts from the direct vicinity of the wrist provide several benefits. Harvest-site morbidity is reduced and preserved graft perfusion, without the need for blood vessel anastomosis, may lead to an improved consolidation...
September 15, 2016: Der Orthopäde
https://www.readbyqxmd.com/read/27609818/left-ventricular-rotational-mechanics-in-children-after-heart-transplantation
#18
Hythem M Nawaytou, Putri Yubbu, Andrea E Montero, Deipanjan Nandi, Matthew J O'Connor, Robert E Shaddy, Anirban Banerjee
BACKGROUND: Left ventricular (LV) dysfunction after orthotopic heart transplantation (OHT) is multifactorial and can be an indicator of graft rejection or coronary artery vasculopathy. Analysis of rotational mechanics may help in the early diagnosis of ventricular dysfunction. Studies describing the left ventricular rotational strain in children after OHT are lacking. It is important to establish the baseline rotational mechanics in pediatric OHT to pursue further studies in this population...
September 2016: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/27595865/a-dynamically-tunable-bioinspired-micropatterned-surface-regulates-vascular-endothelial-and-smooth-muscle-cells-growth-at-vascularization
#19
Tao Gong, Kun Zhao, Xian Liu, Liuxuan Lu, Dian Liu, Shaobing Zhou
Regulation of the growth of vascular endothelial cells (ECs) and smooth muscle cells (SMCs) with artificial vascular grafts at vascularization is well-known to regenerate functional blood vessels for treating cardiovascular disease; however, little research has been published on this subject. Here, a novel polymer vascular graft is presented, whose inner surface contains an assembled circular microgroove pattern decorated with a combination of concentric circular microgrooves and radial, straight microgrooves inspired by the orientation of SMCs and ECs in natural tissues...
September 6, 2016: Small
https://www.readbyqxmd.com/read/27592132/peroneal-perforator-based-peroneus-longus-tendon-and-sural-neurofasciocutaneous-composite-flap-transfer-for-a-large-soft-tissue-defect-of-the-forearm-a-case-report
#20
Kenji Hayashida, Hiroto Saijo, Masaki Fujioka
We describe the use of a composite flap composed of a sural neurofasciocutaneous flap and a vascularized peroneus longus tendon for the reconstruction of severe composite forearm tissue defects in a patient. A 43-year-old man had his left arm caught in a conveyor belt resulting in a large soft-tissue defect of 18 × 11 cm over the dorsum forearm. The extensor carpi radialis, superficial radial nerve, and radial artery were severely damaged. A free neurofasciocutaneous composite flap measuring 16 × 11 cm was outlined on the patient's left lower leg to allow simultaneous skin, tendon, nerve, and artery reconstruction...
September 4, 2016: Microsurgery
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