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https://www.readbyqxmd.com/read/28819689/beware-of-the-coronary-arteries-with-implantable-cardiac-electronic-devices
#1
REVIEW
S Serge Barold, Benjamin J Pang, Harry G Mond
The transvenous implantation of cardiac devices may sometimes cause serious complications involving the coronary arteries. The left anterior descending artery may be injured during nonapical right ventricular implantation while a right atrial lead may injure the right or circumflex coronary artery. Injury of a left internal mammary graft to a coronary artery may cause myocardial infarction.
August 17, 2017: Herzschrittmachertherapie & Elektrophysiologie
https://www.readbyqxmd.com/read/28806284/is-extracorporeal-cardiopulmonary-resuscitation-practical-in-severe-chest-trauma-a-systematic-review-in-single-center-of-developing-country
#2
Up Huh, Seunghwan Song, Sung Woon Chung, Sang-Pil Kim, Chung Won Lee, Hyo Young Ahn, Miju Bae, Seon Hee Kim
BACKGROUND: We report our experience with extracorporeal cardiopulmonary resuscitation (ECPR) in patients with rupture of heart and major vessels caused by severe chest trauma. METHODS: From April 2015 to May 2016, 10 patients with suspected injuries to the heart and major vessels following focused assessment with sonography in trauma or computed tomography were selected from patients admitted at a level I trauma centre presenting with cardiac tamponade and tension haemothorax due to severe chest trauma...
August 12, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28805102/favourable-long-term-outcome-after-coronary-artery-bypass-grafting-in-a-nationwide-cohort
#3
Hera Johannesdottir, Linda O Arnadottir, Jonas A Adalsteinsson, Tomas A Axelsson, Martin I Sigurdsson, Solveig Helgadottir, Dadi Helgason, Helga R Gardarsdottir, Steinthor A Marteinsson, Arnar Geirsson, Gudmundur Thorgeirsson, Tomas Gudbjartsson
OBJECTIVES: In a nationwide cohort, we analyzed long-term outcome following coronary artery bypass grafting, using the combined strategy of left internal mammary artery to the left anterior descending artery and saphenous vein as secondary graft to other coronary targets. METHODS: 1,507 consecutive patients that underwent myocardial revascularization during 2001-2012 in Iceland. Mean follow-up was 6.8 years. Major adverse cardiac and cerebrovascular events were depicted using the Kaplan-Meier method...
August 13, 2017: Scandinavian Cardiovascular Journal: SCJ
https://www.readbyqxmd.com/read/28804239/iatrogenic-great-cardiac-vein-anastomosis-during-coronary-artery-bypass-surgery
#4
Alireza Bagherli, Hilary Bews, Minh Vo, John Ducas, Davinder S Jassal, Amir Ravandi
Inadvertent anastomosis of the left internal mammary artery (LIMA) or a saphenous vein graft (SVG) to the great cardiac vein (GCV) is a rare complication of coronary artery bypass grafting (CABG). We present two cases with a LIMA to GCV and a SVG to GCV anastomosis, respectively, resulting in angina and dyspnea in the postoperative state. As an alternative to repeat CABG, both patients underwent percutaneous coronary intervention with percutaneous coil embolization or implantation of an Amplatzer vascular plug within the bypass graft to GCV conduit...
September 2017: International Journal of Angiology: Official Publication of the International College of Angiology, Inc
https://www.readbyqxmd.com/read/28794353/revascularization-of-left-coronary-system-using-a-skeletonized-left-internal-mammary-artery%C3%A3-sequential-vs-separate-grafting
#5
Qiang Ji, YunQing Shi, LiMin Xia, RunHua Ma, JinQiang Shen, Hao Lai, WenJun Ding, ChunSheng Wang
BACKGROUND: To evaluate in-hospital and mid-term outcomes of sequential vs. separate grafting of in situ skeletonized left internal mammary artery (LIMA) to the left coronary system in a single-center, propensity-matched study.Methods and Results:After propensity score-matching, 120 pairs of patients undergoing first scheduled isolated coronary artery bypass grafting (CABG) with in situ skeletonized LIMA grafting to the left anterior descending artery (LAD) territory were entered into a sequential group (sequential grafting of LIMA to the diagonal artery and then to the LAD) or a control group (separate grafting of LIMA to the LAD)...
August 9, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/28791249/retraction-topical-vasodilator-response-in-skeletonized-internal-mammary-artery-is-there-really-a-difference
#6
(no author information available yet)
[This retracts the article on p. 23 in vol. 7, PMID: 28182034.].
July 2017: Avicenna Journal of Medicine
https://www.readbyqxmd.com/read/28762925/-angina-recurrence-after-coronary-artery-bypass-grafting-caused-by-the-coronary-subclavian-steal-syndrome
#7
E R Carchyan, A B Stepanenko, A P Gens, V A Panfilov, Yu V Belov
We present two cases of surgical treatment of patients with coronary artery steal syndrom and multifocal atherosclerosis, who previously underwent coronary artery bypass grafting using left internal mammary artery. In both cases carotid-subclavian bypass was performed through supraclavicular access using synthetic prosthesis. This method allowed to restore blood flow in the left internal mammary artery, eliminate recurrent angina pectoris, and improve patients quality of life. The article also contains descriptions of possible methods of surgical correction of this pathology, their advantages and disadvantages...
May 2017: Kardiologiia
https://www.readbyqxmd.com/read/28758229/time-dependent-factors-in-diep-flap-breast-reconstruction
#8
Rosaria Laporta, Benedetto Longo, Michail Sorotos, Alessio Farcomeni, Vittoria Amorosi, Fabio Santanelli di Pompeo
BACKGROUND: The process of harvesting and performing microsurgical anastomosis may lengthen deep inferior epigastric artery perforator (DIEP) flap breast reconstruction affecting results and patient safety. The aim of the study was to investigate the associations between predictors and operative time (OT). METHODS: Between 2004 and 2016, 336 immediate and 68 delayed unilateral reconstructions were performed in 404 patients. Age, weight, height, body mass index (BMI), nulliparity, or pluriparity condition were collected to determine the impact of patient characteristics on OT...
July 24, 2017: Microsurgery
https://www.readbyqxmd.com/read/28740779/using-the-venous-pectoral-branch-from-the-thoracoacromial-system-as-a-lifeboat-in-autologous-breast-reconstruction
#9
Michael Tarakji, Matthew J Bartow, Charles Dupin, Oren Tessler
The most common recipient vessels for autologous free flap breast reconstruction are the internal mammary vessels. At times, there are problems with the exposed internal mammary vein (IMV) that require other options such as using the contralateral IMV, superior rib resection to access proximal IMV, retrograde IMV use, and thoracodorsal vein access with or without a vein graft. This case demonstrates using the pectoral branch of the thoracoacromial venous system without a vein graft as a lifeboat option when the IMV is not suitable for anastomosis...
June 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28740774/unilateral-internal-mammary-recipient-vessels-for-bilateral-diep-flap-breast-reconstruction
#10
Jeffrey H Lee, David E Varon, Eric G Halvorson
The deep inferior epigastric perforator flap has become increasingly popular for breast reconstruction with the most common recipient vessels being the internal mammary artery and vein. In certain cases, however, these recipient vessels are inadequate due to an absent or diminutive vein. Moreover, patients at high risk for future coronary artery disease may sacrifice the best conduit for coronary revascularization if the internal mammary recipients are used. Alternative recipient vessels, including the thoracodorsal, thoracoacromial, external jugular, and cephalic vessels have significant limitations...
June 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28736690/decellularization-of-human-internal-mammary-artery-biomechanical-properties-and-histopathological-evaluation
#11
Abdol-Mohammad Kajbafzadeh, Reza Khorramirouz, Seyede Maryam Kameli, Javad Hashemi, Amin Bagheri
This study undertook to create small-diameter vascular grafts and assess their structure and mechanical properties to withstand arterial implantation. Twenty samples of intact human internal mammary arteries (IMAs) were collected and decellularized using detergent-based methods. To evaluate residual cellular and extracellular matrix (ECM) components, histological analysis was performed. Moreover, collagen typing and ECM structure were analyzed by Picrosirius red and Movat's pentachrome staining. Scanning electron microscopy was also applied to assess microarchitecture of both endothelial and adventitial surfaces of native and decellularized arterial samples...
2017: BioResearch Open Access
https://www.readbyqxmd.com/read/28734873/a-computational-fluid-structure-interaction-analysis-of-coronary-y-grafts
#12
Bruno Guerciotti, Christian Vergara, Sonia Ippolito, Alfio Quarteroni, Carlo Antona, Roberto Scrofani
Coronary artery disease is one of the leading causes of death worldwide. The stenotic coronary vessels are generally treated with coronary artery bypass grafts (CABGs), which can be either arterial (internal mammary artery, radial artery) or venous (saphenous vein). However, the different mechanical properties of the graft can influence the outcome of the procedure in terms of risk of restenosis and subsequent graft failure. In this paper, we perform a computational fluid-structure interaction (FSI) analysis of patient-specific multiple CABGs (Y-grafts) with the aim of better understanding the influence of the choice of bypass (arterial vs venous) on the risk of graft failure...
September 2017: Medical Engineering & Physics
https://www.readbyqxmd.com/read/28727031/mammary-nutrient-uptake-in-multiparous-sows-fed-supplementary-arginine-during-gestation-and-lactation
#13
U Krogh, N Oksbjerg, A C Storm, T Feyera, P K Theil
Arginine is the precursor for the synthesis of nitric oxide and may increase mammary plasma flow (MPF), which may in turn increase mammary nutrient uptake. Quantifying mammary nutrient uptake improves our understanding of mammary nutrient metabolism and may potentially allow identification of limiting nutrients for colostrum and milk production. Thus, the objectives of the present study were 1) to study the impact of 25 g/d of crystalline Arg (ARG) on MPF and uptake of nutrients by the mammary glands compared with an isonitrogenous supply of Ala (51 g/d; control [CON]) fed to a total of 8 sows from d 30 of gestation until weaning on d 28 of lactation and 2) to quantify mammary nutrient uptake in late gestation and in early and at peak lactation...
June 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28715234/is-cardiovascular-disease-in-patients-with-diabetes-associated-with-serum-levels-of-mmp-2-lox-and-the-elastin-degradation-products-elm-and-elm-2
#14
Simone Andrea Rørdam Preil, Anne-Sofie Faarvang Thorsen, Anne Lindegaard Christiansen, Mikael Kjær Poulsen, Morten Asser Karsdal, Diana Julie Leeming, Lars Melholt Rasmussen
BACKGROUND: Diabetes mellitus type 2 (T2DM) is a significant risk factor for the development of cardiovascular diseases (CVDs). In a previous microarray study of internal mammary arteries from patients with and without T2DM, we observed several elastin-related genes with altered mRNA-expression in diabetic patients, namely matrix metalloproteinase 2 (MMP-2), lysyl oxidase (LOX) and elastin itself. In this study we investigate whether the serum concentrations of elastin-related proteins correlate to signs of CVD in patients with T2DM...
July 17, 2017: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/28690951/coronary-artery-bypass-graft-in-a-young-man
#15
Stella Pak
Currently, there are no explicit guidelines on the management of acute myocardial infarction (MI) in young adults under the age of 30. The lack of published literature to guide clinicians in the care of young adults with MI has prompted us to report a case exemplary for the successful treatment with coronary artery bypass graft (CABG). A 25-year-old man developed acute MI and underwent on-pump five quintuple CABG using bilateral internal mammary arteries and left greater saphenous vein. This appropriate and timely intervention may have helped to prevent cardiac death and maintain the quality of life...
June 5, 2017: Curēus
https://www.readbyqxmd.com/read/28689949/three-extremely-rare-findings-in-the-same-patient-harlequin-syndrome-thyrocervical-trunk-aneurysm-and-systemic-pulmonary-arterio-arterial-fistula
#16
Adenauer Marinho de Oliveira Góes, Adib Koury, Eric Homero Albuquerque Paschoal, Salim Abdon Haber Jeha
Harlequin syndrome is a rare autonomic disorder characterized by unilateral diminished sweating and flushing of the face in response to heat or exercise. Extrinsic ganglion compressions, most of the times by neoplasms, can induce the syndrome. During investigation of a 27 year-old woman presenting Harlequin syndrome with diminished sweating on the left side and flushing of the right half of her face, a left thyrocervical trunk aneurysm was detected by angio MRI. Thyrocervical trunk aneurysms are rare and only a few cases have been reported...
July 6, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28687781/p2x7-receptor-antagonism-modulates-il-1%C3%AE-and-mmp9-in-human-atherosclerotic-vessels
#17
Maria Lombardi, Maria Elena Mantione, Domenico Baccellieri, David Ferrara, Renata Castellano, Roberto Chiesa, Ottavio Alfieri, Chiara Foglieni
In atherosclerosis, matrix metallopeptidases (MMPs) contribute to plaque rupture through weakening of the fibrous cap. Pleiotropic P2X purinoceptor 7 (P2X7), expressed in the carotid plaque (PL), is involved in interleukin 1 beta (IL-1β) release that may influence MMP9 generation, thus their possible modulation through acting on P2X7 was investigated. P2X7-related machinery was characterized and the effects of P2X7 antagonists (A740003, KN62) and MMPs inhibitors (Batimastat, Ro28-2653) were studied in ex-vivo tissue cultures of human PL's vs...
July 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28675448/inhibition-of-microsomal-pge-synthase-1-reduces-human-vascular-tone-by-increasing-pgi2-a-safer-alternative-to-cox-2-inhibition
#18
Gulsev Ozen, Ingrid Gomez, Armond Daci, Catherine Deschildre, Lilia Boubaya, Onder Teskin, B Sonmez Uydeş-Doğan, Per-Johan Jakobsson, Dan Longrois, Gokce Topal, Xavier Norel
BACKGROUND AND PURPOSE: The side effects of cyclooxygenase-2 (COX-2) inhibitors on the cardiovascular system could be associated with reduced prostaglandin (PG)I2 synthesis. Microsomal PGE synthase-1 (mPGES-1) catalyses the formation of PGE2 from COX-derived PGH2 . This enzyme is induced under inflammatory conditions and constitutes an attractive target for novel anti-inflammatory drugs. However, it is not known whether mPGES-1 inhibitors could be devoid of cardiovascular side effects...
July 3, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28646103/long-term-and-short-term-outcomes-of-using-bilateral-internal-mammary-artery-grafting-versus-left-internal-mammary-artery-grafting-a-meta-analysis
#19
Sana N Buttar, Tristan D Yan, David P Taggart, David H Tian
BACKGROUND: A substantial body of evidence demonstrates that myocardial revascularisation using bilateral internal mammary arteries (BIMA) improves long-term survival compared with single/left internal mammary artery (LIMA) grafting. To date, limited analyses have been made regarding other short-term and long-term outcomes in BIMA strategy. OBJECTIVES: The primary aim of the present review is to update the difference in long-term survival between BIMA and LIMA grafting and to thoroughly investigate other secondary short-term and long-term clinical outcomes between these two grafting procedures...
June 23, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/28637880/a-study-comparing-vein-integrity-and-clinical-outcomes-vico-in-open-vein-harvesting-and-two-types-of-endoscopic-vein-harvesting-for-coronary-artery-bypass-grafting-the-vico-randomised-clinical-trial
#20
Bhuvaneswari Krishnamoorthy, William R Critchley, Alexander J Thompson, Katherine Payne, Julie Morris, Rajamiyer V Venkateswaran, Ann L Caress, James E Fildes, Nizar Yonan
Background -Current consensus statements maintain that endoscopic vein harvesting (EVH) should be standard care in coronary artery bypass surgery (CABG) but vein quality and clinical outcomes have been questioned. The Vein Integrity and Clinical Outcome (VICO) trial was designed to assess the impact of different vein harvesting methods on vessel damage and if this contributes to clinical outcomes following CABG. Methods -A single centre, randomised clinical trial of patients undergoing CABG with an internal mammary artery, and with one to four vein grafts were recruited...
June 21, 2017: Circulation
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