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Coronary fistula

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https://www.readbyqxmd.com/read/29620668/how-to-treat-the-combination-of-coronary-artery-fistula-and-occluded-coronary-artery-a-case-report
#1
Wei-Chieh Lee, Hsiu-Yu Fang, Chiung-Jen Wu
RATIONALE: Coronary artery fistulae (CAF) are uncommon and are reported in 0.25% of patients undergoing routine coronary angiography. The combination of severe coronary artery disease and a CAF was rare. PATIENT CONCERNS: A 76-year-old man presented unstable angina. DIAGNOSES: Coronary angiography showed a subtotal occlusion lesion and a CAF at left anterior descending artery. INTERVENTIONS: The combination of transcatheter coil embolization and a drug-eluting stent was used for this problem...
April 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29614909/three-s-a-crowd-a-unique-combination-of-coronary-artery-atresia-fistula-and-stenosis-multiple-congenital-coronary-artery-anomalies
#2
Nischal R Pandya, Prem Venugopal, Jason Wildschut, Nelson Alphonso
The incidence of congenital coronary artery anomalies in the general population is low. The combination of various significant coronary artery anomalies in a single patient is not very common. We describe a case of a 20-month-old child with a unique combination of congenital coronary anomalies (atresia, stenosis, fistula) which were accurately delineated by multimodal imaging and successfully managed surgically.
January 1, 2018: World Journal for Pediatric & Congenital Heart Surgery
https://www.readbyqxmd.com/read/29606331/coronary-cameral-fistula-preliminary-diagnosis-according-to-colour-and-continuous-wave-doppler-echocardiography
#3
Daniel Kupsky, Gerald Koenig, Shalini Modi
No abstract text is available yet for this article.
February 6, 2018: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/29602306/coronary-artery-fistula-with-associated-takotsubo-cardiomyopathy-a-case-report
#4
Rabail Qureshi, Leo Kao, Rakesh P Gupta
BACKGROUND: Coronary artery fistula, first described by Krause in 1865, is an abnormal communication between the coronary artery and one of the four chambers of the heart or one of the great vessels. The communications are often congenital but may also be acquired from trauma or invasive cardiovascular procedures. Half of the cases present with angina pectoris whereas the remaining half are incidentally detected on echocardiogram or angiogram performed for an unrelated reason. Takotsubo cardiomyopathy or stress-induced cardiomyopathy is characterized by transient left ventricular dysfunction with minimal elevation of cardiac biomarkers in the absence of underlying coronary artery disease...
March 30, 2018: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/29601265/coronary-artery-fistulas-pathophysiology-imaging-findings-and-management
#5
Gabin Yun, Tae Hyun Nam, Eun Ju Chun
Coronary artery fistulas (CAFs) are abnormal communications of coronary arteries whereby venous circuits bypass the normal capillaries within the myocardium. CAFs are rare, and most affected patients are asymptomatic. However, these fistulas are the most common coronary artery anomalies that can alter coronary hemodynamic parameters. Although most CAFs are asymptomatic in young patients, symptoms and complications become more frequent with increasing age. CAFs are characterized by variable clinical manifestations that are based on the size, origin, and drainage site of the fistula...
March 27, 2018: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/29596610/multiple-coronary-artery-fistulae-in-a-young-man
#6
Cornelia S Carr, Willington Francis, Fahad Alkindi, Maryam Alkuwari
No abstract text is available yet for this article.
March 27, 2018: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/29572614/a-case-of-ruptured-aneurysm-of-coronary-pulmonary-artery-fistula-diagnosed-after-emergency-thoracotomy
#7
Madoka Kawano, Tomoyuki Wada, Hirofumi Anai, Takashi Shuto, Shinji Miyamoto
BACKGROUND: Coronary fistulae are occasionally detected using echocardiography or coronary angiography. We report a patient with cardiac tamponade because of a ruptured aneurysm of a coronary artery fistula. CASE PRESENTATION: A 60-year-old man was referred to our hospital with sudden onset of chest pain and unconsciousness. He was initially diagnosed with cardiac tamponade for type A acute aortic dissection, and an emergency operation was performed. A large amount of bleeding was seen in the pericardium, but aortic dissection around the arch was not observed...
March 23, 2018: Surgical Case Reports
https://www.readbyqxmd.com/read/29555833/comparison-of-cardiac-computed-tomography-with-transesophageal-echocardiography-for-identifying-vegetation-and-intracardiac-complications-in-patients-with-infective-endocarditis-in-the-era-of-3-dimensional-images
#8
In-Cheol Kim, Suyon Chang, Geu-Ru Hong, Seung Hyun Lee, Sak Lee, Jong-Won Ha, Byung-Chul Chang, Young Jin Kim, Chi Young Shim
BACKGROUND: Recent evolution of cardiac computed tomography (CT) provides useful information about valvular and perivalvular structures. We compared the diagnostic performance of CT and transesophageal echocardiography (TEE) with applications of 3-dimensional reconstruction in detecting vegetation and intracardiac complications in patients with infective endocarditis (IE). METHODS AND RESULTS: Seventy-five patients (53 men; age, 58±15 years) with definite IE who underwent TEE and CT with 3-dimensional reconstruction within 3 days were analyzed...
March 2018: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/29548587/when-a-coronary-artery-fistula-is-not-simply-a-fistula-using-multimodality-imaging-to-demonstrate-an-unusual-embryologic-remnant
#9
EDITORIAL
Arash Salavitabar, Anjali Chelliah, David Kalfa, Matthew A Crystal
No abstract text is available yet for this article.
February 17, 2018: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29529964/prevalence-of-chronic-kidney-disease-among-patients-undergoing-transradial-percutaneous-coronary-interventions
#10
Mohammad A Hossain, Amy Quinlan, Jennifer Heck-Kanellidis, Dawn Calderon, Tejas Patel, Bhavika Gandhi, Shrinil Patel, Mahida Hetavi, Eric J Costanzo, James Cosentino, Chirag Patel, Asa Dewan, Yen-Hong Kuo, Loay Salman, Tushar J Vachharajani
BACKGROUND: While transradial approach to conduct percutaneous coronary interventions offers multiple advantages, the procedure can cause radial artery damage and occlusion. Because radial artery is the preferred site for the creation of an arteriovenous fistula to provide dialysis, patients with chronic kidney disease are particularly dependent on radial artery for their long-term survival. METHODS: In this retrospective study, we investigated the prevalence of chronic kidney disease in patients undergoing coronary interventions via radial artery...
March 1, 2018: Journal of Vascular Access
https://www.readbyqxmd.com/read/29503240/coronary-artery-fistulae-anatomy-diagnosis-and-management-strategies
#11
REVIEW
Dario Buccheri, Paola Rosa Chirco, Salvatore Geraci, Giuseppe Caramanno, Bernardo Cortese
Coronary artery fistula (CAF) is a relatively rare anatomic abnormality of the coronary arteries that afflicts 0.002% of the general population and represents 14% of all the anomalies of coronary arteries. Its clinical relevance focusses mainly on the mechanism of "coronary steal phenomenon", causing myocardial functional ischaemia even in the absence of stenosis, hence common symptoms are angina or effort dyspnoea. The suggested diagnostic approach is guided by the patient's symptoms and consists of a number of instrumental examinations like ECG, treadmill test, echocardiography, computed tomography scan, cardiac magnetic resonance and coronary angiography...
February 9, 2018: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/29490424/giant-coronary-artery-aneurysm-with-a-coronary-artery-fistula-to-the-pulmonary-artery
#12
Motoyuki Kumagai, Kazuhiro Takatoku, Akira Kawamoto, Eiji Shinoda, Junichiro Nishizawa
No abstract text is available yet for this article.
February 28, 2018: Journal of Cardiac Surgery
https://www.readbyqxmd.com/read/29479011/histopathology-of-giant-coronary-artery-aneurysm-associated-with-coronary-artery-fistula
#13
Yuji Matsumoto, Hiroaki Kawano, Keisuke Iwasaki, Shuji Arakawa, Koji Maemura
Giant coronary artery aneurysms related to coronary fistula are rare, and the precise mechanisms by which they occur are unknown. We present a case of giant coronary artery aneurysm of the left coronary artery to the pulmonary artery fistula with a lack of internal and (or) external elastic lamina and medial degeneration.
February 23, 2018: International Heart Journal
https://www.readbyqxmd.com/read/29477678/prognostic-factors-for-arteriovenous-fistula-maturation
#14
Carney Chan, Christian J Ochoa, Steven G Katz
BACKGROUND: Recent studies have reported successful arteriovenous (AV) fistula maturation rates between 40% and 80%, with older age, distal fistula location, and small vein diameter associated with greater failure rates. Our objective is to determine if these findings are consistent with the outcomes at our institution. METHODS: A retrospective chart review was performed on patients who underwent upper extremity AV fistula creation at a single institution. Patient demographics and risk factors were analyzed, as well as fistula location and vein diameter based on pre-operative ultrasound...
February 22, 2018: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/29477204/microrna-155-promotes-neointimal-hyperplasia-through-smooth-muscle-like-cell-derived-rantes-in-arteriovenous-fistulas
#15
Ke Wang, Peng Deng, Yuan Sun, Ping Ye, Anchen Zhang, Chuangyan Wu, Zhang Yue, Zhaolei Chen, Jiahong Xia
OBJECTIVE: Arteriovenous fistula (AVF) suffers from a high number of failures caused by insufficient outward remodeling and venous neointimal hyperplasia formation. The aim was to investigate the exact mechanism by which microRNA-155 (miR-155) in the outflow vein of AVF is regulated. METHODS: AVFs between the branch of the jugular vein and carotid artery in an end-to-end manner were created in C57BL/6 and miR-155-/- mice with a C57BL/6 background. The venous segments were harvested at day 7, 14, 21, and 28, and the AVFs were analyzed histologically and at a messenger RNA level using real-time quantitative polymerase chain reactions...
March 2018: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/29415369/surgery-of-giant-right-coronary-artery-aneurysm-complicated-with-coronary-artery-fistula-to-left-ventricle
#16
Takeshi Uzuka, Masanori Nakamura, Tomohiro Nakajima, Noriyasu Watanabe, Yuichiro Fukazawa
No abstract text is available yet for this article.
February 7, 2018: Journal of Cardiac Surgery
https://www.readbyqxmd.com/read/29390439/superior-vena-cava-syndrome-secondary-to-recurrent-coronary-artery-fistula-a-case-report-and-literature-review
#17
Peng-Fei Chen, Liang Tang, Zhen-Zhen Liu, Xinqun Hu
RATIONALE: Coronary artery fistula (CAF) is characterized by an abnormal communication of a coronary artery with a cardiac chamber or a great vessel bypassing the capillary bed. Surgical closure of large or symptomatic CAF is the gold standard treatment. However the previously closed CAF still has the possibility to reopen. Superior vena cava syndrome (SVCS) is defined as a condition that occurs when the obstruction of the superior vena cava interrupts blood flow from the head, upper extremities, and thorax to the right atrium and can present a life-threatening situation...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29388387/safety-and-efficacy-of-ulnar-artery-approach-for-percutaneous-cardiac-catheterization-systematic-review-and-meta-analysis
#18
Ritin Fernandez, Fady Zaky, Avedis Ekmejian, Elizabeth Curtis, Astin Lee
BACKGROUND: Trans-radial access has rapidly become the standard for percutaneous coronary procedures in the last decade. As proceduralists overcome the learning curve and become more competent in trans-radial access, alternative safe access sites such as the ulnar artery have been increasingly used for emergent and elective procedures. The aim of this study was to synthesize the best available evidence of the impact on major adverse cardiac events (MACE) of ulnar artery compared to radial artery cardiac catheterization...
February 1, 2018: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/29378973/multimodality-imaging-and-percutaneous-closure-of-a-large-left-main-coronary-artery-to-superior-vena-cava-fistula
#19
Sanjay S Mehta, Atman P Shah
Images illustrate 3D reconstruction CT showing fistula arising from the left main coronary artery draining into the superior vena cava. Additional angiographic images show the fistula before and after percutaneous closure with Amplatzer Vascular plugs.
February 2018: Journal of Invasive Cardiology
https://www.readbyqxmd.com/read/29372164/prenatal-diagnosis-of-isolated-coronary-arteriovenous-fistula
#20
Uisoo Chae, Mi-Young Lee, Hyerim Kim, Hye-Sung Won, Ki-Soo Kim, Hyun-Woo Goo, Jae-Kon Ko, Jeong-Jun Park
Coronary arteriovenous fistula (CAVF) is a rare condition defined as an anomalous termination of the coronary arteries. The etiology of CAVF is either congenital or acquired, and iatrogenic CAVF is most commonly caused by cardiovascular surgery or percutaneous intervention. Most of the prenatally diagnosed CAVFs were related to complex heart disease, and only few cases of an isolated CAVF have been reported to date. We successfully diagnosed an isolated CAVF by fetal echocardiography at 25.3 weeks of gestation...
January 2018: Obstetrics & Gynecology Science
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