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Coronary artery dissection

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https://www.readbyqxmd.com/read/28097197/early-coronary-thrombosis-without-st-segment-elevation-following-repair-of-acute-aortic-dissection
#1
Davide Carino, Francesco Nicolini, Giorgio Romano, Matteo Ricci, Tiziano Gherli
Acute coronary thrombosis after emergent surgery for acute Type A aortic dissection is a rare event that can remain undiagnosed in absence of typical electrocardiogram readings. We report a case of left anterior descending artery thrombosis without ST-segment elevation three days after surgical repair, which was successfully treated with angioplasty and stenting.
August 2016: Aorta (Stamford, Conn.)
https://www.readbyqxmd.com/read/28073571/early-clinical-outcomes-of-a-novel-self-expanding-transapical-transcatheter-aortic-valve-bioprosthesis
#2
Michael W A Chu, Rodrigo Bagur, Katie L Losenno, Philip M Jones, Pantelis Diamantouros, Patrick Teefy, Jill J Gelinas, Bob Kiaii
OBJECTIVE: Coronary obstruction remains a challenging complication of transcatheter aortic valve replacement; however, a new self-expanding transapical prosthesis may reduce this risk. The purpose of this study was to evaluate the early 1-year outcomes of patients with low coronary heights who received the Acurate TA bioprosthesis (Symetis, Ecublens, Switzerland). METHODS: Between May 2014 and April 2015, 30 consecutive patients (aged 85 ± 6 years, 63% were female, Society of Thoracic Surgeons score 8...
December 15, 2016: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28062620/application-of-cardiac-troponin-in-cardiovascular-diseases-other-than-acute-coronary-syndrome
#3
REVIEW
Kai M Eggers, Bertil Lindahl
BACKGROUND: Increased cardiac troponin concentrations in acute coronary syndrome (ACS) identify patients with ongoing cardiomyocyte necrosis who are at increased risk. However, with the use of more precise assays, cardiac troponin increases are commonly noted in other cardiovascular conditions as well. This has generated interest in the use of cardiac troponin for prognostic assessment and clinical management of these patients. In this review, we have summarized the data from studies investigating the implications of cardiac troponin concentrations in various acute and chronic conditions beyond ACS, i...
January 2017: Clinical Chemistry
https://www.readbyqxmd.com/read/28062549/redo-procedures-for-degenerated-stentless-aortic-xenografts-and-the-role-of-valve-in-valve-transcatheter-techniques%C3%A2
#4
Herko Grubitzsch, Sebastian Zobel, Torsten Christ, Sebastian Holinski, Karl Stangl, Sascha Treskatsch, Volkmar Falk, Michael Laule
OBJECTIVES: This study evaluates reinterventions for degenerated stentless aortic xenografts. METHODS: Between 2010 and 2015, 52 consecutive patients (age 72.3 ± 9.7 years, EuroSCORE II 11.1 ± 8.9%) underwent reintervention for failed stentless aortic valves (60% porcine, 40% pericardial, 87% sub-coronary, 81% isolated/combined regurgitation). RESULTS: Based on age, EuroSCORE II, the presence of pulmonary hypertension, renal failure, a patent internal mammary artery graft and required concomitant procedures, the heart team assigned 25 patients to reoperation and 27 to valve-in-valve transcatheter aortic valve implantation (ViV-TAVI)...
January 6, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28041756/trauma-induced-acute-myocardial-infarction-due-to-delayed-dissection-of-the-left-anterior-descending-coronary-artery
#5
Magdalena Wilczynska-Golonka, Pawel Rostoff, Aleksander Siniarski, Agnieszka Skrzypek, Andrzej Gackowski, Ewa Konduracka, Jadwiga Nessler
Acute myocardial infarction is a very rare, life-threatening complication of blunt chest trauma. A 27-year-old man with no previous medical history was admitted to the emergency department due to multiple trauma following a car accident. After 48h following the accident, the patient's condition rapidly deteriorated, with severe dyspnea at rest, tachycardia, and increasing chest pain. A 12-lead ECG showed a sinus tachycardia at 120bpm with significant ST-segment elevation in leads V1 to V5, pathologic Q wave in I, aVL, and QS complex in leads V1 to V4...
December 27, 2016: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28031675/spontaneous-resolution-of-catheter-induced-iatrogenic-vein-graft-dissection-first-case-report-and-review-of-literature
#6
Prakash Suryanarayana, Shubha Kollampare, Mohammad Reza Movahed
An 86-year-old female patient with a history of bypass surgery was admitted for recurrent dyspnea and chest pain on exertion. She underwent coronary angiography showing high-grade saphenous vein graft stenosis supplying the right coronary. During an attempt to perform percutaneous intervention, saphenous vein graft to the right coronary artery was injured by the guide catheter resulting in dissection with thrombus formation but with normal distal blood flow. The procedure was abandoned since she had normal distal flow and also due to a fear of causing extension of the dissection with further manipulation...
December 2016: International Journal of Angiology: Official Publication of the International College of Angiology, Inc
https://www.readbyqxmd.com/read/28031245/robotic-enhanced-coronary-surgery-in-octogenarians
#7
Apostolos Roubelakis, Filip Casselman, Johan van der Merwe, Bernard Stockman, Ivan Degrieck, Frank Van Praet
OBJECTIVES: Robotic-enhanced minimally invasive direct coronary artery bypass grafting surgery (RE-MIDCAB) is based on the use of a robotic console and instrumentation for the dissection of the left internal thoracic artery (LITA). The LITA to left anterior descending (LAD) artery anastomosis is subsequently constructed through a mini thoracotomy. The purpose of this study is to present our experience of RE-MIDCAB outcomes in elderly patients. METHODS: From 2002 until 2015, 44 octogenarians (the mean age of 82...
December 27, 2016: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/28018827/redo-operation-of-recurrent-giant-coronary-artery-aneurysm-optimizing-surgical-strategy
#8
Julia Hillebrand, Andreas Rukosujew, Sven Martens, Dirk Boese
Background Giant coronary artery aneurysms (GCAA) are extremely rare, but they can cause life-threatening complications. Indications for surgical intervention are the occurrence of complications such as fistulas, compression, embolization, or rapid enlargement. The optimal therapeutic approach is still under debate. Until now, there are no publications dealing with the follow-up after surgical treatment. Moreover, the surgical strategy in redo operations has not been described yet. Case Description We report on surgery in a 50-year-old man with a recurrent GCAA after previous dissection and reduction...
December 2016: Thoracic and Cardiovascular Surgeon Reports
https://www.readbyqxmd.com/read/28009959/right-coronary-artery-and-left-anterior-descending-artery-occlusion-after-aortic-valve-replacement
#9
Sofoklis Mitsos, Saina Attaran, Anthony C De Souza
Coronary artery stenosis is a potentially life-threatening complication after heart valve surgery. The details are presented of a patient with unobstructed coronary arteries, who underwent routine aortic valve replacement and developed dissection of the right coronary artery (RCA) on the third postoperative day, and occlusion of the left anterior descending (LAD) artery one month after surgery. This complication required prompt clinical recognition and diagnosis by repeat coronary angiography, and a rapid intervention with coronary artery bypass grafting or with angioplasty and stenting...
July 2016: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/27999129/ascending-aortic-dissection-presented-as-inferior-myocardial-infarction-a-clinical-and-diagnostic-mimicry
#10
Ali A Alsaad, Olufunso W Odunukan, John Norman Patton
Acute ST segment elevation myocardial infarction (STEMI) is typically associated with acute coronary thrombosis or plaque rupture. Rarely, STEMI can be associated with ascending aortic dissection, which represents the majority of acute aortic syndrome aetiologies and carries dreadful outcomes. Routine cardiac intervention with emergent cardiac catheterisation may lead to a higher mortality rate in this group of patients. We present a case of painless inferior STEMI in the setting of ascending aortic dissection...
December 20, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/27998616/spontaneous-coronary-artery-dissection-in-a-young-woman-with-polycystic-ovarian-syndrome
#11
Marco Mirra, Nertil Kola, Giacomo Mattiello, Carmine Morisco, Letizia Spinelli
Polycystic ovarian syndrome (PCOS) affects 4% to 12% of women in reproductive age, representing a clinical condition that could predispose to cardiovascular diseases. We report a case of a 34-year-old woman with PCOS, presenting with chest pain, onset two days before, and ST segment-elevation myocardial infarction. She was not pregnant or in a postpartum state. Subsequent cardiac angiography revealed spontaneous left anterior descending coronary artery dissections, managed by conservative approach. The patient was discharged in medical therapy after 5days...
December 16, 2016: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/27988230/spontaneous-coronary-artery-dissection-still-a-lot-to-learn
#12
David Neves, Ângela Bento, Renato Fernandes, Lino Patrício, José Aguiar
Non-atherosclerotic spontaneous coronary artery dissection (SCAD) is an uncommon but probably underdetected pathological substrate for acute coronary syndrome. Clinical associations have been noted, like female gender and young age, but its pathophysiology is not yet fully understood. In this report we describe the case of a 50-year-old woman, without cardiovascular risk factors presenting with non-ST segment elevation myocardial infarction, in whom SCAD was diagnosed. Treatment was initially conservative but due to aggravation of the dissection she eventually underwent a complex percutaneous coronary intervention, requiring implantation of multiple stents, but with a good clinical outcome...
January 2017: Portuguese Journal of Cardiology: An Official Journal of the Portuguese Society of Cardiology
https://www.readbyqxmd.com/read/27986426/repeated-loss-of-consciousness-in-a-young-woman-a-suspicious-smad3-mutation-underlying-spontaneous-coronary-artery-dissection
#13
Míriam Garcia-Bermúdez, Abdel-Hakim Moustafa, Antonio Barrós-Membrilla, Helena Tizón-Marcos
Spontaneous coronary artery dissection (SCAD) is an infrequent cause of acute coronary syndrome and is often underdiagnosed. Intramural hematoma is the most frequent angiographic presentation and is a challenging diagnosis that may require intravascular imaging techniques to confirm it and guide treatment. It affects mostly young women without coronary risk factors and is usually associated with fibromuscular dysplasia. SCAD has an underlying disease in 80% of patients. A SMAD3 mutation has been linked to aneurysm-osteoarthritis syndrome and has been identified as a cause of familial thoracic aortic aneurysm and dissection...
September 24, 2016: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/27982275/spontaneous-coronary-artery-dissection-in-acute-coronary-syndrome-report-of-a-series-of-cases-with-17-patients
#14
Ana Rita Godinho, Mariana Vasconcelos, Vitor Araújo, Maria Júlia Maciel
No abstract text is available yet for this article.
November 2016: Arquivos Brasileiros de Cardiologia
https://www.readbyqxmd.com/read/27981367/-cardiac-causes-of-chest-pain
#15
C Wächter, B Markus, B Schieffer
Because of the life-threatening character and a high prevalence in emergency rooms, cardiac causes are important differential diagnoses of acute chest pain with the need for rapid clarification. In this context the working diagnosis "acute coronary syndrome" (ACS) plays a major role. In a synopsis of the clinical presentation, medical history, electrocardiogram and analysis of cardiac biomarkers, ST-segment elevation myocardial infarction (STEMI), non-ST-segment elevation myocardial infarction (NSTEMI) and unstable angina pectoris can be specified as entities of ACS...
January 2017: Der Internist
https://www.readbyqxmd.com/read/27973331/how-and-when-to-suspect-spontaneous-coronary-artery-dissection-novel-insights-from-a-single-center-series-on-prevalence-and-angiographic-appearance
#16
Pascal Motreff, Guilhem Malcles, Nicolas Combaret, Nicolas Barber-Chamoux, Sara Bouajila, Bruno Pereira, Aime Amonchot, Bernard Citron, Jean-René Lusson, Romain Eschalier, Geraud Souteyrand
AIMS: Spontaneous coronary artery dissection (SCAD) is an under-diagnosed entity of acute coronary syndrome (ACS); its prevalence remains unclear due to a challenging diagnosis, particularly in instances of intramural hematoma without intimal rupture. METHODS AND RESULTS: From 1999 to 2014, 55 SCAD (all women, mean age 50.1 years) were diagnosed. Regardless of age, 51 (92.7%) had ≤2 cardiovascular risk factors. Thirty-six were diagnosed prospectively during the latter period (2012-2014)...
December 15, 2016: EuroIntervention
https://www.readbyqxmd.com/read/27970267/tct-103-angiographic-healing-of-spontaneous-coronary-artery-dissection
#17
Roshan Prakash, Andrew Starovoytov, Eve Aymong, Jacqueline Saw
No abstract text is available yet for this article.
November 1, 2016: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/27970264/tct-101-predictors-for-recurrent-dissection-after-spontaneous-coronary-artery-dissection
#18
Jacqueline Saw, Andrew Starovoytov, Yinshan Zhao, Defen Peng, Karin Humphries
No abstract text is available yet for this article.
November 1, 2016: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/27969860/tct-48-medical-therapy-and-clinical-outcomes-with-spontaneous-coronary-artery-dissection
#19
Lim Kuan Eng, Andrew Starovoytov, Karin Humphries, G B John Mancini, Jacqueline Saw
No abstract text is available yet for this article.
November 1, 2016: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/27966257/twenty-five-year-outcomes-following-composite-graft-aortic-root-replacement
#20
Salvior C M Mok, Wei-Guo Ma, Ahmed Mansour, Paris Charilaou, Alan S Chou, Sven Peterss, Maryann Tranquilli, Bulat A Ziganshin, John A Elefteriades
BACKGROUND: Operative choices for aortic root disease include traditional root replacement with a composite valved graft as well as various valve-sparing and root repair procedures. OBJECTIVES: To report our experience with traditional composite graft aortic root replacement by a single surgeon over a 25-year period in 449 patients, focusing on long-term survival and freedom from late reoperation and adverse events. METHODS: The coronary button technique was used in all patients...
December 14, 2016: Journal of Cardiac Surgery
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