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Left internal mammary artery

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https://www.readbyqxmd.com/read/28286188/endovascular-repair-of-internal-mammary-artery-aneurysms-in-two-sisters-with-smad3-mutation
#1
Daiva Nevidomskyte, Sherene Shalhub, Gabriel S Aldea, Peter H Byers, Ulrike Schwarze, Mitzi L Murray, Benjamin Starnes
True aneurysms of the internal mammary artery are rare and have been described in association with vasculitis or connective tissue disorders. Herein we describe two cases of familial internal mammary artery aneurysms in two sisters with SMAD3 mutation. The older sister presented at the age of 54 with an incidental diagnosis of a multilobed right internal mammary artery aneurysm (IMA) and the younger sister presented several years earlier with a ruptured left IMA aneurysm at the age of 49. Both sisters had Debakey type I aortic dissections prior to the IMA aneurysm presentation...
March 7, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28284927/apneic-oxygenation-versus-low-tidal-volume-ventilation-in-anesthetized-cardiac-surgical-patients-a-prospective-single-center-randomized-controlled-trial
#2
Laura Machan, Leonid Churilov, Raymond Hu, Philip Peyton, Chong Tan, Param Pillai, Louise Ellard, Ian Harley, David Story, Philip Hayward, George Matalanis, Nicholas Roubos, Sivendran Seevanayagam, Laurence Weinberg
OBJECTIVES: To compare the physiology of apneic oxygenation with low-tidal-volume (VT) ventilation during harvesting of the left internal mammary artery. DESIGN: Prospective, single-center, randomized trial. SETTING: Single-center teaching hospital. PARTICIPANTS: The study comprised 24 patients who underwent elective coronary artery bypass grafting surgery. INTERVENTIONS: Apneic oxygenation (apneic group: 12 participants) and low-VT ventilation (low-VT group: 12 participants) (2...
December 30, 2016: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/28283374/outcomes-after-a-left-anterior-descending-artery-endarterectomy-in-advanced-coronary-artery-disease
#3
Charalampos Katselis, George Samanidis, Anastasia Papasotiriou, George Karatasakis, Ioannis Nenekidis, Eftichia Demerouti, Theofani Antoniou, Konstantinos Perreas
BACKGROUND: Coronary endarterectomy albeit infrequently utilized remains a pivotal treatment modality for advanced atherosclerotic heart disease. Benefits of coronary endarterectomy are explored in terms of better mid-term survival, freedom of major adverse cardiac and cerebrovascular events and improved left ventricular ejection fraction. METHODS: 50 patients with coronary artery disease including extensive diffuse LAD disease underwent a left anterior descending artery endarterectomy with coronary by-pass grafting and left internal mammary artery as conduit between 2006 and 2014...
February 21, 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/28266826/cardiovascular-disease-update-care-of-patients-after-coronary-artery-bypass-graft
#4
Craig Barstow, Johnathan D McDivitt
Coronary artery bypass graft (CABG) is a surgical procedure in which a vessel, normally the left internal mammary artery and/or a segment of an excised vein (typically from the leg), is grafted to the coronary arteries to bypass a blockage. CABG has been shown to be superior to percutaneous coronary intervention for patients with complex three vessel disease and left main coronary artery disease. All patients undergoing CABG should receive aspirin preoperatively; they also should receive a beta blocker preoperatively to reduce the likelihood of postsurgical atrial fibrillation...
March 2017: FP Essentials
https://www.readbyqxmd.com/read/28255212/competitive-coronary-flow-between-the-native-left-anterior-descending-artery-and-left-internal-mammary-artery-graft-is-it-a-surrogate-angiographic-marker-of-over-or-unnecessary-revascularization-decision-in-daily-practice
#5
Pinar Dogan, Mevlut Serdar Kuyumcu, Emine Demiryapan, Fazil Arisoy, Ozcan Ozeke
Overdiagnosis and overtreatment are often thought of as relatively recent phenomena in modern medicine, influenced by a contemporary combination of technology, specialization, payment models, marketing, and supply-related demand. Several investigators have reported discrepancies between the angiographic and functional severity of coronary angiographic stenosis. However, the visual anatomic assessment of the coronary lesion severity continues in daily practice. We evaluated the consecutive all coronary angiograms performed between January 2015 and December 2015 and examined only patients who had previous coronary artery bypass grafting (CABG) to analyze the cases with regard to presence of the competitive flow (CF) between the native left anterior descending coronary artery (LAD) and left internal mammary artery (LIMA) graft...
March 2017: International Journal of Angiology: Official Publication of the International College of Angiology, Inc
https://www.readbyqxmd.com/read/28255108/fractured-wire-in-the-left-internal-mammary-artery-a-novel-retrieval-technique
#6
Michael D Dyal, Abdulla A Damluji, Pablo Rengifo-Moreno, Eduardo J de Marchena
Although fractured coronary wires are a rare occurrence, failure to retrieve them successfully puts patients at undue risk. We offer a technique that can be used when traditional retrieval with a Microsnare system is unsuccessful.
March 2017: Journal of Invasive Cardiology
https://www.readbyqxmd.com/read/28219559/neovascularization-of-thymoma-from-left-internal-mammary-artery-bypass-graft
#7
Jordan Y Dubique, Harma Turbendian, Danny Chu
We present the case of a type AB thymoma in a 69-year-old man with previous coronary artery bypass grafting (CABG) in whom angiography revealed a left internal mammary artery graft supplying blood flow to a thymic neoplasm, which simultaneously occluded the graft. This required a redo sternotomy, lysis of pericardial adhesions, complete thymectomy, and redo one vessel off-pump CABG. This case seeks to sensitize physicians to the possibility of coronary adverse events in patients with a previous CABG in the setting of management of mediastinal neoplasms, and it presents the novel findings on cardiac imaging associated with this case...
March 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28182034/topical-vasodilator-response-in-skeletonized-internal-mammary-artery-is-there-really-a-difference
#8
Syed Raza Shah, Syed Arbab Shah, Muhammad Ahmed Jangda, Mohammad Danial Yaqub, Ayesha Altaf Jangda, Maham Khan, Muhammad Asim Khan, Brian Tomkins
AIM OF THE STUDY: Coronary artery bypass graft surgery is the gold standard for the treatment of multivessel and left main coronary artery disease. However, there is considerable debate that whether left internal mammary artery (IMA) should be taken as pedicled or skeletonized. This study was conducted to assess the difference in blood flow after the application of topical vasodilator in skeletonized and pedicled IMA. MATERIALS AND METHODS: In this study, each patient underwent either skeletonized (n = 25) or pedicled IMA harvesting (n = 25)...
January 2017: Avicenna Journal of Medicine
https://www.readbyqxmd.com/read/28163839/interventional-treatment-of-the-left-subclavian-in-2-patients-with-coronary-steal-syndrome
#9
Julia Heid, Britta Vogel, Arnt Kristen, Wanda Kloos, Benedikt Kohler, Hugo A Katus, Grigorios Korosoglou
In patients with history of coronary artery disease angina pectoris is usually attributed to the progression of atherosclerotic lesions. However, in patients with previous coronary artery bypass graft operation (CABG) using internal mammary artery grafts, great vessel disease should also be considered. Herein we present two patients with history of CABG whose symptoms were suspicious for coronary ischemia. During cardiac catheterization reverse blood flow was observed from the left artery disease to the left internal mammary artery (LIMA) graft in both cases...
January 26, 2017: World Journal of Cardiology
https://www.readbyqxmd.com/read/28155726/on-the-relationship-between-competitive-flow-and-fft-analysis-of-the-flow-waves-in-the-left-internal-mammary-artery-graft-in-the-process-of-cabg
#10
Boyan Mao, Wenxin Wang, Zhou Zhao, Xi Zhao, Lanlan Li, Huixia Zhang, Youjun Liu
BACKGROUND: During coronary artery bypass grafting (CABG), the ratio of powers of the fundamental frequency and its first harmonic (F0/H1) in fast Fourier transformation (FFT) analysis of the graft's flow waves has been used in the field of evaluation of the patency in anastomosis. But there is no report about using the FFT method to evaluate the magnitude of competitive flow. This study is aiming at exploring the relationship between competitive flow and FFT analysis of the flow waves in left internal mammary artery (LIMA) graft, and finding a new method to evaluate the magnitude of competitive flow...
December 28, 2016: Biomedical Engineering Online
https://www.readbyqxmd.com/read/28139424/the-impact-of-active-breathing-control-on-internal-mammary-lymph-node-coverage-and-normal-tissue-exposure-in-breast-cancer-patients-planned-for-left-sided-postmastectomy-radiation-therapy
#11
Aisling Barry, Kathy Rock, Claudio Sole, Mohammad Rahman, Melania Pintilie, Grace Lee, Anthony Fyles, C Anne Koch
PURPOSE: The purpose of this study was to evaluate the impact of the active breathing control (ABC) technique on IMN coverage and organs at risk in patients planned for postmastectomy radiation therapy (PMRT), with the inclusion of the internal mammary lymph nodes (IMNs). The effect of body mass index (BMI) on recorded dosimetric parameters was examined in the same patient cohort. METHODS AND MATERIALS: Fifty left-sided postmastectomy patients with breast cancer who underwent free-breathing (FB) and ABC-Elekta CT simulation scans were selected at random from an institutional breast cancer database between 2008 and 2014...
December 7, 2016: Practical Radiation Oncology
https://www.readbyqxmd.com/read/28106964/off-pump-anastomosis-of-the-left-internal-mammary-artery-to-the-left-anterior-descending-coronary-artery-through-a-left-inferior-j-hemisternotomy
#12
Ivy Modrau, Per Nielsen, Dorthe Nielsen
Since the 1990s, a large body of literature has been published regarding minimally invasive coronary artery bypass grafting. Varying techniques, complexity of the procedures and the necessity of patient selection have led to its inconsistent application. We describe the standardized technique of left internal mammary artery grafting to the left anterior descending coronary artery, off-pump through a left inferior J-hemisternotomy (JOPCAB). This approach is straightforward, safe, effective, and replicable in virtually all patients...
December 9, 2016: Multimedia Manual of Cardiothoracic Surgery: MMCTS
https://www.readbyqxmd.com/read/28106619/video-assisted-thoracic-surgery-in-patients-with-previous-sternotomy-and-cardiac-surgery
#13
Derek R Serna-Gallegos, Heather E Merry, Robert J McKenna
OBJECTIVE: Although video-assisted thoracic surgery (VATS) lobectomy has become a standard approach for early-stage 1 lung cancer, concerns exist regarding potential damage to the heart or bypass grafts when VATS is performed after cardiac surgery via median sternotomy. We could find only case reports regarding VATS lobectomy after sternotomy for cardiac surgery. Therefore, we reviewed our series of patients who underwent VATS anatomic resections after sternotomy for cardiac surgery. METHODS: Between 1996 and 2010, there were 87 patients who underwent 88 pulmonary resections after sternotomy for coronary artery bypass grafting (64), valve replacement or repair (12), coronary artery bypass graft and valve replacement (6), and transplant (5)...
January 2017: Innovations: Technology and Techniques in Cardiothoracic and Vascular Surgery
https://www.readbyqxmd.com/read/28106618/right-internal-mammary-artery-use-in-140-robotic-totally-endoscopic-coronary-bypass-cases-toward-multiarterial-grafting
#14
Husam H Balkhy, Sandeep Nathan, Susan E Arnsdorf, Dorothy J Krienbring
OBJECTIVE: Benefits of adding a second arterial graft in coronary bypass are well documented. In patients requiring mulitvessel grafting robotic totally endoscopic coronary bypass (TECAB) has allowed for routine harvesting and use of the right internal mammary artery (RIMA). We retrospectively reviewed the technical considerations and target choice in 140 cases of beating heart TECAB where a RIMA graft was used. METHODS: In 2008, we introduced beating heart TECAB with anastomotic connectors into our practice, first with single IMA and then with bilateral internal mammary artery...
January 2017: Innovations: Technology and Techniques in Cardiothoracic and Vascular Surgery
https://www.readbyqxmd.com/read/28038726/comparison-of-outcomes-of-coronary-artery-bypass-grafting-using-internal-mammary-graft-versus-percutaneous-coronary-intervention-for-isolated-proximal-left-anterior-descending-narrowing
#15
M Bilal Iqbal, Charles Ilsley, Fabio De Robertis, Rebecca Lane, Tito Kabir, Toufan Bahrami, Andre Simon, Aron Popov, Mohamed Amrani, Miles C Dalby, Mark Mason, Richard Grocott-Mason, Robert D Smith, Shahzad G Raja
There are limited contemporary studies comparing coronary artery bypass grafting (CABG) and percutaneous coronary intervention (PCI) for isolated proximal left anterior descending (LAD) disease. Increasing stent length and decreasing stent diameters are associated with increased risk of restenosis and adverse outcomes after PCI. Whether these parameters influence outcomes when comparing CABG and PCI is unclear. We compared CABG and PCI in 3,473 patients who underwent revascularization for isolated proximal LAD disease from 2004 to 2015 at Harefield Hospital, UK; 3,078 patients (89%) had PCI and 384 patients had CABG (11%)...
December 2, 2016: American Journal of Cardiology
https://www.readbyqxmd.com/read/28031649/non-st-elevation-myocardial-infarction-triggered-by-subclavian-steal-syndrome
#16
Bulent Uzunlar, Ahmet Karabulut, Zeki Dogan
Coronary-subclavian artery (SCA) steal syndrome is an uncommon phenomenon in which coronary flow is diverted into the SCA through the patent left internal mammary artery (LIMA) conduit due to critical subclavian stenosis. The prevalence of significant left SCA (LSCA) stenosis in patients, referred for coronary bypass surgery, has been reported to be 0.2 to 6.8%. Most patients usually present with angina pectoris, and secondary myocardial infarction is rarely reported. Herein, we present a case of coronary bypass graft in which a left anterior descending artery-LIMA graft was applied to supply the left arm due to complete LSCA occlusion...
December 2016: International Journal of Angiology: Official Publication of the International College of Angiology, Inc
https://www.readbyqxmd.com/read/28007269/totally-endoscopic-coronary-artery-bypass-for-anomalous-origin-of-right-coronary-artery
#17
Chia-Cheng Kuo, Chung-Hsi Hsing, Bor-Chih Cheng
Anomalous origin of the right coronary artery (ARCA) from the left Valsalva sinus is a rare but known cause of sudden cardiac death. Surgical revascularization techniques include coronary artery bypass grafting, unroofing, and reimplantation. We report 4 patients who underwent robot-assisted totally endoscopic coronary artery bypass (TECAB) for ARCA as an alternative surgical option. In 3 patients, a single aortocoronary saphenous vein bypass was performed, and in 1 patient the right internal mammary artery was used...
January 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/27942494/robotic-totally-endoscopic-coronary-artery-bypass-grafting-tecab-placement-of-bilateral-internal-mammary-arteries-to-the-left-ventricle
#18
REVIEW
Johannes Bonatti, Antti Vento, Nikolaos Bonaros, Mahmoud Traina, Eric Lehr
No abstract text is available yet for this article.
November 2016: Annals of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/27878548/contemporary-use-of-arterial-and-venous-conduits-in-coronary-artery-bypass-grafting-anatomical-functional-and-clinical-aspects
#19
REVIEW
G Cuminetti, S Gelsomino, S Curello, R Lorusso, J G Maessen, J C A Hoorntje
Although the benefits of using the left internal mammary artery to bypass the left anterior descending artery (LAD) have been extensively ascertained, freedom from major cardiovascular events and survival after coronary artery bypass grafting (CABG) also correlate with the completeness of revascularisation. Hence, careful selection of the second-best graft conduit is crucial for CABG success. The more widespread use of saphenous vein grafts contrasts with the well-known long-term efficacy of multiple arterial grafting, which struggles to emerge as the procedure of choice due to concerns over increased technical difficulties and higher risk of postoperative complications...
January 2017: Netherlands Heart Journal
https://www.readbyqxmd.com/read/27842711/-radiation-related-heart-toxicity-update-in-women
#20
S Marlière, E Vautrin, C Saunier, A Chaikh, I Gabelle-Flandin
Breast cancer is a common diagnosis in women and thus women are at risk of radiation-induced heart disease, in particular during radiotherapy for left breast cancer and when the internal mammary chain is included. Rates of major cardiac events increase with younger age at the time of irradiation, diagnosis before 1990s, higher radiation doses, coexisting cardiovascular risk factors and adjuvant cardiotoxic chemotherapy. Radiation-induced heart disease comprises a spectrum of cardiac pathologies, including pericardial disease, cardiomyopathy, coronary artery disease and valvular disease...
December 2016: Annales de Cardiologie et D'angéiologie
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