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Left internal mammary artery

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https://www.readbyqxmd.com/read/29758209/bilateral-internal-mammary-artery-utilization-in-diabetics-friend-or-foe
#1
Todd C Crawford, Xun Zhou, Charles D Fraser, J Trent Magruder, Alejandro Suarez-Pierre, Diane Alejo, Jennifer Bobbitt, Clifford E Fonner, Kurt Wehberg, Brad Taylor, Christopher Kwon, Michael Fiocco, John V Conte, Rawn Salenger, Glenn J Whitman
BACKGROUND: Bilateral internal mammary artery (BIMA) grafting in diabetic patients undergoing coronary artery bypass grafting (CABG) remains controversial. Our study compared morbidity and mortality between 1)diabetic and non-diabetic BIMA patients and 2)diabetic BIMA versus diabetic patients who underwent left internal mammary artery (LIMA) grafting only. METHODS: Patients who underwent isolated CABG from July 2011 - June 2016 at any of the 10 centers in Maryland were propensity scored across 16 variables...
May 11, 2018: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29758207/lung-cancer-invading-a-coronary-graft-role-of-coronary-intervention-and-robotic-surgery
#2
Stephani C Wang, Hiren Patel, Walter W Scott
The treatment of primary lung cancer of the left upper lobe in those with prior coronary artery bypass graft is difficult to plan and execute due to potential for invasion into coronary grafts, particularly the left internal mammary. We present a patient with squamous cell carcinoma invading into coronary artery bypass grafts, but successfully treated by combination of percutaneous coronary intervention followed by video-assisted thoracoscopic surgery.
May 11, 2018: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29734170/hybrid-revascularization-a-review
#3
Tisa Saha, Syed Yaseen Naqvi, Sheldon Goldberg
Hybrid coronary revascularization (HCR) combines surgical bypass with percutaneous coronary intervention (PCI) performed either during the same procedure or in a staged approach within 60 days. Coronary artery bypass grafting using the left internal mammary artery (LIMA) has shown excellent long-term patency with improved patient survival. It remains the gold standard treatment for the majority of patients with multivessel coronary artery disease. However, saphenous vein grafts have poor long-term patency. Advances in stent technology have resulted in reduced rates of thrombosis and restenosis, making PCI a viable alternative to coronary surgery in selected patients...
May 7, 2018: Cardiology
https://www.readbyqxmd.com/read/29707692/successful-surgical-resection-of-giant-arteriovenous-malformation-in-supraclavicular-fossa
#4
Kohei Horikawa, Hiroyuki Nishi, Naosumi Sekiya, Mitsutomo Yamada, Toshiki Takahashi
A 42-year-old woman with a large congenital giant arteriovenous malformation in the left supraclavicular fossa underwent surgical resection. Although endovascular treatment was initially planned, it was impossible to occlude the multiple feeding arteries (transverse cervical, clavicular branch of left internal mammary, thoracoacromial, anterior/posterior circumflex humeral), and the anatomy was difficult. After removal of the left clavicle, the arteriovenous malformation was exposed. Care was taken to not injure the brachial plexus, and each feeding artery was ligated, followed by division of the drainage veins...
June 2018: Journal of Vascular Surgery Cases and Innovative Techniques
https://www.readbyqxmd.com/read/29701335/survival-after-bilateral-internal-mammary-artery-in-coronary-artery-bypass-grafting-are-women-at-risk
#5
Francisca A Saraiva, Nicolas Girerd, Rui J Cerqueira, João P Ferreira, Noélia Vilas-Boas, Paulo Pinho, António Barros, Mário J Amorim, André Lourenço, Adelino F Leite-Moreira
INTRODUCTION: To compare survival and safety of BIMA versus SIMA CABG between males and females at our tertiary care center. METHODS: Single-center retrospective cohort including consecutive patients with at least 2 left coronary system (LCS) vessel disease who underwent isolated CABG with at least 1 IMA conduit and a minimum of 2 conduits targeting the LCS between 2004 and 2013. All-cause mortality was the primary outcome, secondary outcomes were in-hospital mortality and reoperation due to sternal wound complications (SWC)...
July 2017: Revista Portuguesa de Cirurgia Cardio-torácica e Vascular
https://www.readbyqxmd.com/read/29697596/evolution-of-minimally-invasive-coronary-artery-bypass-grafting-learning-curve
#6
Peter A Andrawes, Masood A Shariff, John P Nabagiez, Richard Steward, Basem Azab, Natasha Povar, Mirala Sarza, Seleshi Demissie, Scott M Sadel, Michele Nichols, Joseph T McGinn
OBJECTIVE: Minimally invasive coronary surgery approach for coronary artery bypass grafting is a safe and reproducible procedure for multivessel revascularization. This study reviewed a single surgeon's experience with minimally invasive coronary surgery coronary artery bypass grafting, including operative time, number of bypasses, and conversion to sternotomy. METHODS: A prospective database of consecutive minimally invasive coronary surgery coronary artery bypass grafting procedures from 2005 to 2013 was reviewed...
April 24, 2018: Innovations: Technology and Techniques in Cardiothoracic and Vascular Surgery
https://www.readbyqxmd.com/read/29687675/massive-spontaneous-hemothorax-in-patients-with-neurofibromatosis-type-1
#7
Pedro José Gil Vázquez, Andrés Del Amor Arroyo Tristán, Jesús Martínez Baños, Juan Torres Lanzas
Spontaneous hemothorax is an uncommon event that can occur in patients with a history of neurofibromatosis type 1 because of intrathoracic vascular malformations that predispose to aneurysms or bleeding from thoracic tumors. Only 53 cases of this rare association have been reported in the literature since 1975. We described 2 cases: one patient was a 73-year-old man with a right hemothorax secondary to an intercostal neurofibroma; the other was a 35-year-old woman with a left hemothorax secondary to a neurofibroma that compromised the internal mammary artery...
June 2018: Emergencias: Revista de la Sociedad Española de Medicina de Emergencias
https://www.readbyqxmd.com/read/29670747/percutaneous-management-of-ostial-stenosis-of-the-left-internal-mammary-artery-graft
#8
Tanuka Datta, Mohammed Gibreal, Ramesh Mazhari, Allen J Solomon
A 61-year-old man, who had undergone coronary artery bypass surgery 10 years earlier, presented with a non-ST segment elevation myocardial infarction. He was treated with medical therapy and taken to the Cardiac Catheterization Laboratory. A left heart catheterization demonstrated an ostial stenosis in the left internal mammary artery graft, which was felt to be the culprit lesion. This was successfully repaired with a drug eluting stent. This case is presented as an unusual location for a de novo coronary stenosis...
January 2018: Oxford Medical Case Reports
https://www.readbyqxmd.com/read/29623205/near-fatal-kinking-of-mammary-graft-due-to-emphysematous-lung-disease
#9
John T Denny, Sagar Mungekar, Benjamin R Landgraf, Valerie A McRae, Sajjad Ibrar, Geza K Kiss, Joyce Bonitz, Shaul Cohen, James T Tse
Left internal mammary artery grafting is commonly used in elective coronary artery bypass graft surgery. We report a near-fatal case with graft kinking upon sternal closure due to distended, emphysematous lungs impinging on the mammary graft. After the sternum was closed, the patient suffered a severe hemodynamic deterioration. Surgical examination revealed kinking of his left internal mammary artery upon sternal closure due to distended, emphysematous lungs impinging on the mammary graft. Using an off-bypass technique, the kink in the mammary graft to the left anterior descending artery was removed by moving the origin of the left internal mammary artery to a hooded graft of a saphenous vein graft instead...
2018: SAGE Open Medical Case Reports
https://www.readbyqxmd.com/read/29616160/reconstruction-of-anterior-neck-scar-contracture-using-a-perforator-supercharged-transposition-flap
#10
Yoshihiro Noda, Hiroaki Kuwahara, Maya Morimoto, Rei Ogawa
Reconstruction of the anterior neck requires attention to both aesthetic and functional outcomes. In general, skin grafts are not suitable for anterior neck reconstruction in Asian patients, even when artificial dermis is used before skin grafting. Therefore, we have employed various types of thin flaps for anterior neck reconstruction, including the cervico-pectoral flap. However, we have realized that, to fully release neck contractures and therefore achieve the full range of neck extension, the skin pedicle must be sufficiently wide...
February 2018: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/29605596/intraoperative-bypass-graft-flow-measurement-with-transit-time-flowmetry-a-clinical-assessment
#11
Sanaz Amin, Raphael S Werner, Per Lav Madsen, George Krasopoulos, David P Taggart
BACKGROUND: Guidelines advocate Transit time flowmetry (TTFM) for intraoperative graft patency verification during coronary artery by-pass grafting (CABG), but studies on accuracy and precision of the TTFM technique are few. In an observational study of CABG patients, we analysed co-variation of left internal mammary artery (LIMA) blood flow with TTFM and free flow measurements. METHODS: Co-variation of TTFM and free blood flows was evaluated in 60 patients undergoing CABG using LIMA as one of the conduits...
March 29, 2018: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29595699/severe-bilateral-isolated-coronary-ostial-lesions-as-a-rare-manifestation-of-radiation-induced-cardiac-disease-a-case-report
#12
Metesh Nalin Acharya, Mohammad El-Diasty, Bastian Schmack, Alexander Weymann, Ashham Mansur, Aron-Frederik Popov
RATIONALE: With advances in contemporary radiotherapy techniques, and as cancer survival improves, severe isolated coronary ostial disease may develop many years following mediastinal radiotherapy, even in the absence of classical cardiovascular risk factors. PATIENT CONCERNS: We describe the case of a 73-year-old woman with previous chest radiotherapy for breast cancer who underwent coronary artery bypass graft surgery for severe bilateral coronary ostial lesions...
March 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29562402/-revascularization-of-left-anterior-descending-artery-area-using-a-skeletonized-left-internal-mammary-artery-a-comparison-between-sequential-and-separate-grafting
#13
J Q Shen, Q Ji, W J Ding, L M Xia, L Wei, C S Wang
Objective: To evaluate in-hospital and mid-term outcomes of sequential versus separate grafting of in situ skeletonized left internal mammary artery (LIMA) to the left coronary system in a single-center, propensity-matched study. Methods: 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)...
March 13, 2018: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29556263/identification-of-functional-modules-induced-by-bare-metal-stents-and-paclitaxel-eluting-stents-in-coronary-heart-disease
#14
Zhaobin Tang, Jingjing Gu, Ping Sun, Jing Zhao, Yonggang Zhao
Bare-metal stents (BMS) and paclitaxel-eluting stent (PES) are frequently used in medicine for the treatment of coronary heart disease, with millions of patients treated worldwide. The protein-protein interactions (PPI) were adopted to construct the networks. The M-module algorithm was used to identify multiple differential modules. Gene Ontology enrichment and pathway enrichment analysis were performed to analyze characteristics of modules. With the PPI and microarray data, two differential co-expressed networks were constructed, module 1 indicating PES and module 2 indicating BMS, with the same genes but different edges...
April 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29507028/stroke-thrombolysis-complicated-by-st-elevation-myocardial-infarction-stemi
#15
Mark Flower, James Harvey, Jonathan Hunter
An 84-year-old male Jehovah's Witness presented to the emergency department 1 hour after onset of left facial droop and left upper limb weakness. Thrombolytic stroke treatment was commenced as per local thrombolytic protocol with intravenous recombinant tissue plasminogen activator (rtPA) at 2 hours and 25 min following onset of symptoms. Almost immediately after rtPA infusion the patient reported chest pain and had ECG changes consistent with a diagnosis of anterior ST elevation myocardial infarction...
March 5, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29506038/surgical-left-subclavian-artery-revascularization-for-thoracic-aortic-stent-grafting-a-single-centre-experience-in-101-patients
#16
Emma van der Weijde, Nabil Saouti, Jan Albert Vos, Selma C Tromp, Robin H Heijmen
OBJECTIVES: To evaluate the indications, perioperative strategy and postoperative outcome of surgical left subclavian artery (LSA) revascularization combined with thoracic endovascular aortic repair (TEVAR) covering the LSA. METHODS: Between 2000 and 2017, a total of 101 consecutive patients underwent surgical revascularization of the LSA prior to, concomitant or following TEVAR. Revascularization was performed through a small supraclavicular incision and consisted of a transposition or bypass graft, using intraoperative transcranial Doppler monitoring...
February 28, 2018: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29465628/long-term-clinical-and-computed-tomography-angiographic-follow-up-after-totally-endoscopic-coronary-artery-bypass-grafting
#17
Lukas Stastny, Markus Kofler, Julia Dumfarth, Alim Basaran, Dominik Wiedemann, Thomas Schachner, Gudrun Feuchtner, Johannes Bonatti, Nikolaos Bonaros
OBJECTIVE: Totally endoscopic coronary artery bypass grafting was shown to be feasible and safe, with excellent clinical and angiographic mid-term results. Data on long-term outcome are lacking. Therefore, we aimed to investigate the long-term rate of major adverse cardiac and cerebrovascular events and left internal mammary artery patency rate in patients undergoing arrested heart totally endoscopic coronary artery bypass grafting. METHODS: From 2001 to 2012, a total of 208 arrested heart-totally endoscopic coronary artery bypass grafting patients were prospectively included...
January 2018: Innovations: Technology and Techniques in Cardiothoracic and Vascular Surgery
https://www.readbyqxmd.com/read/29336392/transesophageal-echocardiography-evaluation-of-the-aortic-arch-branches
#18
REVIEW
Thimmangouda A Patil, Santosh Kumar Ambli
Visualization of aortic arch branches by transesophageal echocardiography has been technically challenging. Visualizing these vessels helps in identifying the extent of dissection of the aorta, assessing the severity of carotid artery stenosis, presence of atheromatous plaques, patency of the left internal mammary artery graft, confirmation of subclavian artery cannulation, confirming holodiastolic flow reversal in the left subclavian artery by spectral Doppler imaging in case of severe aortic regurgitation, and confirming the optimal position of the intraaortic balloon perioperatively...
January 2018: Annals of Cardiac Anaesthesia
https://www.readbyqxmd.com/read/29331180/oh-father-where-art-we-left-internal-mammary-artery-with-greater-saphenous-vein-grafts-still-rules-surgical-coronary-revascularization-after-30-years
#19
EDITORIAL
Chadwick W Stouffer, Michael E Halkos
No abstract text is available yet for this article.
December 26, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29325034/ghrelin-preserves-ischemia-induced-vasodilation-of-male-rat-coronary-vessels-following-%C3%AE-adrenergic-receptor-blockade
#20
James T Pearson, Nicola Collie, Regis R Lamberts, Tadakatsu Inagaki, Misa Yoshimoto, Keiji Umetani, Philip Davis, Gerard Wilkins, Pete P Jones, Mikiyasu Shirai, Daryl O Schwenke
Acute myocardial infarction (MI) triggers an adverse increase in cardiac sympathetic nerve activity (SNA). Whereas β-adrenergic receptor (β-AR) blockers are routinely used for the management of MI, they may also counter β-AR-mediated vasodilation of coronary vessels. We have reported that ghrelin prevents sympathetic activation following MI. Whether ghrelin modulates coronary vascular tone following MI, either through the modulation of SNA or directly as a vasoactive mediator, has never been addressed. We used synchrotron microangiography to image coronary perfusion and vessel internal diameter (ID) in anesthetized Sprague-Dawley rats, before and then again 30 minutes after induction of an MI (left coronary artery ligation)...
April 1, 2018: Endocrinology
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