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bypass grafts

Maciej Lesiak, Sylwia Zawada-Iwańczyk, Magdalena Łanocha, Aneta Klotzka, Michał Lesiak
Bioresorbable scaffolds (BRS) have been introduced to clinical practice to avoid some limitations associated with the presence of permanent metal prostheses in coronary arteries. Due to elimination of the natural vasomotion of the vessel and flow disturbance, stents impair endothelial function, increasing the risk of adverse events such as late and very late thrombosis or accelerated neoatherosclerosis. Additionally, the presence of metallic stents hinders non-invasive imaging of coronaries and may exclude the possibility of bypass graft anastomosis within the stented segment...
March 15, 2018: Minerva Cardioangiologica
Jin-Shan Zhang, Long Li, Wei Cheng
PURPOSE: Although Rex shunt is an effective treatment for extrahepatic portal venous obstruction (EHPVO), 4-20% children develop rebleeding postoperatively. This study was used to evaluate the surgical treatment of rebleeding after Rex shunt in our center. METHOD: From June 2008 to Jan 2017, 12 of 122 children with EHPVO underwent a second operation due to graft stenosis and occlusion after Rex shunt in our center. The abdominal ultrasound and computed tomography (CT) showed the occlusion of bypass vein in nine children, stenosis of bypass vein in two children, and the patency of bypass vein in one child with dysplasia of intrahepatic portal vein...
March 15, 2018: Pediatric Surgery International
Up Huh, Chung Won Lee, Seon Hee Kim, Chan Ik Park, Sung Woon Chung, Seunghwan Song, Chang Won Kim
Blunt abdominal aortic injury (BAAI) is extremely rare. Three known treatments of BAAI exist: medical treatment, conventional surgical treatment, and endovascular treatment. Outcomes of medical and conventional surgical treatments, such as bypass graft, thrombectomy, and intimal suture, were not satisfactory. A 47-year-old man presented with multiple injuries after a high-speed vehicular accident. He was diagnosed with the traumatic aortic injury to be an intra-mural hematoma in the bifurcation of the terminal aorta...
March 15, 2018: Cardiovascular and Interventional Radiology
Stephen A Kunz, Lachlan F Miles, Damian J Ianno, Kelly L Mirowska-Allen, George Matalanis, Rinaldo Bellomo, Siven Seevanayagam
INTRODUCTION: Accurate dosing of protamine reversal following on-pump cardiac surgical procedures is challenging, with both excessive and inadequate administration recognised to increase bleeding risk. We aimed to examine the relationship between three ratios for heparin reversal and markers of haemostasis. METHODS: A retrospective analysis of a prospectively collected database was undertaken at a single tertiary cardiac unit, reviewing all cases of on-pump coronary artery bypass grafts and single valve replacements from 01/01/2011 to 31/12/2015...
March 1, 2018: Perfusion
Justyna Bartoszko, Duminda N Wijeysundera, Keyvan Karkouti, Jeannie Callum, Vivek Rao, Mark Crowther, Hilary P Grocott, Ruxandra Pinto, Damon C Scales, Blaine Achen, Sukhpal Brar, Doug Morrison, David Wong, Jean S Bussières, Tonya de Waal, Christopher Harle, Étienne de Médicis, Charles McAdams, Summer Syed, Diem Tran, Terry Waters
BACKGROUND: Research into major bleeding during cardiac surgery is challenging due to variability in how it is scored. Two consensus-based clinical scores for major bleeding: the Universal definition of perioperative bleeding and the European Coronary Artery Bypass Graft (E-CABG) bleeding severity grade, were compared in this substudy of the Transfusion Avoidance in Cardiac Surgery (TACS) trial. METHODS: As part of TACS, 7,402 patients underwent cardiac surgery at 12 hospitals from 2014 to 2015...
March 15, 2018: Anesthesiology
Orazio Valsecchi, Angelina Vassileva, Alberto Francesco Cereda, Paolo Canova, Keisuke Satogami, Luigi Fiocca, Giulio Guagliumi
BACKGROUND: Distal transradial access in the anatomical snuffbox has advantages over standard access in terms of patient and operator comfort levels and risk of ischemia. Radial artery preservation could be a relevant issue in patients requiring multiple radial artery procedures and coronary bypass with the use of a radial graft. One relevant drawback is the challenging puncture of a small and weak artery, with a steeper learning curve. AIM: The study was aimed at proving feasibility and safety of right and left transradial access in the anatomical snuffbox...
March 15, 2018: Journal of Invasive Cardiology
Judit Karacsonyi, Ehrin J Armstrong, Huu Tam D Truong, Ryan Tsuda, Damianos G Kokkinidis, Jose Roberto Martinez-Parachini, Aya J Alame, Barbara A Danek, Aris Karatasakis, Michele Roesle, Houman Khalili, Imre Ungi, Subhash Banerjee, Emmanouil S Brilakis, Bavana V Rangan
BACKGROUND: The contemporary use and outcomes of excimer laser coronary atherectomy (ELCA) in percutaneous coronary intervention (PCI) are not well described. METHODS: We examined the baseline clinical and angiographic characteristics and procedural outcomes of 130 target lesions in 121 consecutive PCIs (n = 116 patients) in which ELCA was performed at three United States Department of Veterans Affairs (VA) medical centers between 2008 and 2016. RESULTS: Mean age was 68...
March 15, 2018: Journal of Invasive Cardiology
Didem Onk, Fatih Özçelik, Oruç Alper Onk, Murat Günay, Tülin Akarsu Ayazoğlu, Ethem Ünver
BACKGROUND The present study sought to assess the renal and liver protective effect of N-acetylcysteine through NH3 and urea metabolism in patients with chronic obstructive pulmonary disease who were scheduled for coronary artery bypass grafting surgery. MATERIAL AND METHODS Patients with chronic obstructive pulmonary disease (COPD) who were scheduled for coronary artery bypass grafting were divided into 2 groups so as to receive (Group 1, n=35) or not receive (Group 2, n=35) 900 mg/day of n-acetylcysteine for 7 days before the operation starting from their admission to the service by a pulmonologist with the purpose of treating COPD until the day of surgery...
March 15, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
Taku Omori, Ryuji Okamoto, Hajime Fujimoto, Jun Masuda, Tetsu Kobayashi, Eitaro Fujii, Yoshiyuki Takei, Masaaki Ito
No abstract text is available yet for this article.
March 13, 2018: Circulation Journal: Official Journal of the Japanese Circulation Society
Parwis B Rahmanian, Kaveh Eghbalzadeh, Süreyya Kaya, Hruy Menghesha, Stephen Gerfer, Oliver J Liakopoulos, Yeong-Hong Choi, Thorsten Wahlers
OBJECTIVES: Rapid-deployment aortic valve replacement (RD-AVR) potentially reduces procedure times providing excellent haemodynamic results compared to standard tissue aortic valve replacement. However, concerns have been raised regarding higher rates of postoperative pacemaker (PPM) requirement compared to standard aortic valve replacement. In this study, we sought to determine the PPM rate and its potential risk factors in RD-AVR patients. METHODS: Between 2011 and 2017, 193 patients underwent RD-AVR...
March 12, 2018: Interactive Cardiovascular and Thoracic Surgery
Kyokun Uehara, Hitoshi Matsuda, Jiro Matsuo, Yosuke Inoue, Atsushi Omura, Yoshimasa Seike, Hiroaki Sasaki, Junjiro Kobayashi
AIM: To evaluate the surgical outcomes and midterm results of patients under 50 years old with acute type A aortic dissection (AAAD). METHODS: The study population included 51 patients who underwent AAAD repair between 2003 and 2016. Of these 51 patients, 46 (90.1%) were males and 14 (27.5%) had connective tissue disorders. Twenty-five patients (49.0%) had a body mass index >25.0 kg/m2 and two patients were pregnant. Total arch replacement was performed in 39 patients (76...
March 13, 2018: Journal of Cardiac Surgery
Irene Papanicolas, Liana R Woskie, Ashish K Jha
Importance: Health care spending in the United States is a major concern and is higher than in other high-income countries, but there is little evidence that efforts to reform US health care delivery have had a meaningful influence on controlling health care spending and costs. Objective: To compare potential drivers of spending, such as structural capacity and utilization, in the United States with those of 10 of the highest-income countries (United Kingdom, Canada, Germany, Australia, Japan, Sweden, France, the Netherlands, Switzerland, and Denmark) to gain insight into what the United States can learn from these nations...
March 13, 2018: JAMA: the Journal of the American Medical Association
Sigita Glaveckaite, Egle Uzdavinyte-Gateliene, Zaneta Petrulioniene, Darius Palionis, Nomeda Valeviciene, Gintaras Kalinauskas, Pranas Serpytis, Aleksandras Laucevicius
OBJECTIVES: We aimed to evaluate (i) the effectiveness of combined surgery (coronary artery bypass grafting with restrictive mitral valve annuloplasty) and (ii) the late gadolinium enhancement cardiovascular magnetic resonance-based predictors of ischaemic mitral regurgitation (IMR) recurrence. METHODS: The prospective analysis included 40 patients with multivessel coronary artery disease, IMR >II° and left ventricular (LV) dysfunction undergoing combined surgery...
March 9, 2018: Interactive Cardiovascular and Thoracic Surgery
Mikael Janiec, Axel Dimberg, Timo Z Nazari Shafti, Bo Lagerqvist, Rickard P F Lindblom
No abstract text is available yet for this article.
March 9, 2018: European Journal of Cardio-thoracic Surgery
Jonathan Rilinger, Claudia Heilmann, Ulrich Beitinger, Christoph B Olivier, Philipp Diehl, Friedhelm Beyersdorf, Matthias Siepe
BACKGROUND: Ischemic mitral regurgitation (IMR) is a frequent complication of coronary artery heart disease and is associated with increased mortality. Controversies exists whether patients with moderate IMR may benefit from a combined procedure with coronary artery bypass grafting (CABG) and treatment of mitral regurgitation. METHODS: 451 patients with moderate IMR (grade 2) receiving either CABG alone (CABG only) or additional mitral valve repair or replacement (CABG+MV) were included in this observational single-centre study...
March 12, 2018: Journal of Cardiovascular Surgery
Paolo Nardi, Calogera Pisano, Fabio Bertoldo, Sara R Vacirca, Guglielmo Saitto, Antonino Costantino, Emanuele Bovio, Antonio Pellegrino, Giovanni Ruvolo
We retrospectively analyzed early results of coronary artery bypass grafting (CABG) surgery using two different types of cardioplegia for myocardial protection: antegrade intermittent warm blood or cold crystalloid cardioplegia. From January 2015 to October 2016, 330 consecutive patients underwent isolated on-pump CABG. Cardiac arrest was obtained with use of warm blood cardioplegia (WBC group, n  = 297) or cold crystalloid cardioplegia (CCC group, n  = 33), according to the choice of the surgeon. Euroscore II and preoperative characteristics were similar in both groups, except for the creatinine clearance, slightly lower in WBC group (77...
December 2018: Cell Death Discovery
David R Dobies, Kimberly R Barber
Evidence-based medicine (EBM) provides clinicians with beneficial information. Nonetheless, study findings are often arbitrary, speculative or provisional. The current state of misleading evidence exists in all applications, including those for guideline recommendations. We conductedan appraisal of the American College of Cardiologyand European Society of Cardiology Guidelines for revascularisation of complex coronary anatomy to determine the veracity of the evidence that recommendations were based on. Study-specific critical appraisals were conducted by the authors on the 5-year Synergy between percutaneous coronary intervention with Taxus and cardiac surgery (SYNTAX) and future revascularisation evaluation in patients with diabetes mellitus: optimal management of multivessel disease (FREEDOM) Trials...
2018: Open Heart
Erin Amanda Fender, Pranav Chandrashekar, Jackson J Liang, Priyank R Dhar, Terence T Sio, John M Stulak, Ryan J Lennon, Joshua P Slusser, Jonathan B Ashman, Robert C Miller, Joerg Herrmann, Abhiram Prasad, Gurpreet S Sandhu
Background and aim: Thoracic radiation therapy (XRT) for cancer is associated with the development of significant coronary artery disease that may require coronary artery bypass grafting surgery (CABG). Contemporary acute surgical outcomes and long-term postoperative survival of patients with prior XRT have not been well characterised. Methods: This was a retrospective, single-centre study of patients with a history of thoracic XRT who required CABG and who were propensity matched against 141 controls who underwent CABG over the same time period...
2018: Open Heart
Ralph A H Stewart, Dominika Szalewska, Amanda Stebbins, Hussein R Al-Khalidi, John G H Cleland, Andrzej Rynkiewicz, Mark H Drazner, Harvey D White, Daniel B Mark, Ambuj Roy, Dragana Kosevic, Miroslaw Rajda, Marek Jasinski, Chua Yeow Leng, Wiwun Tungsubutra, Patrice Desvigne-Nickens, Eric J Velazquez, Mark C Petrie
Background: In patients with ischaemic left ventricular dysfunction, coronary artery bypass surgery (CABG) may decrease mortality, but it is not known whether CABG improves functional capacity. Objective: To determine whether CABG compared with medical therapy alone (MED) increases 6 min walk distance in patients with ischaemic left ventricular dysfunction and coronary artery disease amenable to revascularisation. Methods: The Surgical Treatment in Ischemic Heart disease trial randomised 1212 patients with ischaemic left ventricular dysfunction to CABG or MED...
2018: Open Heart
Ugur Kaya, Abdurrahim Colak, Necip Becit, Munacettin Ceviz, Hikmet Kocak
Objective: In the present study, we aimed to retrospectively investigate the early and late results of different surgical treatment techniques applied in different age groups with coarctation of the aorta (CoA). Materials and Methods: Between January 2007 and February 2017, 26 patients (12 males, 14 females; mean age: 12.2±12.4 years; range: 29 days-34 years) who underwent surgery with the diagnosis of CoA were evaluated. Overall, 11 of these patients (42.3%) were in the infantile period, whereas 15 patients (57...
February 2018: Eurasian Journal of Medicine
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