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coronary artery angiography

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https://www.readbyqxmd.com/read/30334943/efficacy-and-safety-of-a-260-cm-amplatz-super-stiff-guidewire-during-transradial-percutaneous-coronary-intervention
#1
Xuguang Feng, Xiaoyun Zhang, Jun Dai, Jianping Bin
BACKGROUND: Although transradial percutaneous coronary intervention (TR-PCI) is widely used in clinical practice, guidewire-related complications are an important cause of transradial approach failure. We investigated the prognostic value of the 260-cm Amplatz Super Stiff guidewire for reducing the complication rate during TR-PCI. METHODS: Five hundred patients with positive Allen's test results were divided into 3 groups according to the type of angiography guidewire: group A, 150-cm Emerald guidewire standard J-tip (n = 160); group B, 150-cm Radifocus guidewire M (n = 176); and group C, exchangeable 260-cm Amplatz Super Stiff guidewire after placement of a 150-cm Radifocus guidewire M (n = 164)...
October 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/30333462/the-role-of-ffr-in-clinical-decision-making-in-patients-with-moderate-coronary-lesions-a-pilot-study
#2
Morteza Safi, Mohammad Ali Mehrabi, Saeed Alipour Parsa, Isa Khaheshi, Mohammadreza Naderian
BACKGROUND AND AIM: Applying fractional flow reserve (FFR) recently helped to assess borderline coronary defects and also facilitates assessment of these lesions. The present study aimed to assess cost-effectiveness of FFR in detection of these borderline lesions. METHODS: This cross-sectional study was conducted on140 consecutive patients with 219 diseased arteries who underwent coronary angiography and suffered intermediate coronary lesions. RESULTS: Of 18 patients who candidate for CABG before FFR, only one patient underwent CABG after determining FFR (P-value<0...
October 8, 2018: Acta Bio-medica: Atenei Parmensis
https://www.readbyqxmd.com/read/30333460/could-decorin-be-a-biomarker-of-coronary-artery-disease-a-pilot-study-in-human-beings
#3
Saeed Nazemi, Atefeh Rezapour, Seyed Mohammad Hassan Moallem, Mohammad Afshar, Sepideh Elyasi, Hamid Reza Mashreghi Moghadam, Mahmoud Dargahi Zaboli, Amir Hooshang Mohammadpour
BACKGROUND AND AIM: Nowadays there is a strong necessity in identifying patients who may be exposed to the risk for future cardiovascular events like progressive atherosclerotic disease. Biomarkers are valuable tools for this purpose. Coronary artery calcification (CAC) is utilized as an important tool for the global risk assessment of cardiovascular events in individuals with intermediate risk. Decorin (DCN) is a small leucine-rich proteoglycan that induces calcification of arterial smooth muscle cell and localizes to mineral deposition in human atherosclerotic plaque...
October 8, 2018: Acta Bio-medica: Atenei Parmensis
https://www.readbyqxmd.com/read/30333339/congenital-combined-atresia-of-the-left-main-coronary-with-supravalvar-aortic-stenosis
#4
Feridoun Sabzi, Aghighe Heidari, Reza Faraji
Congenital atresia of the left main coronary artery (LMCA) is an exceedingly rare phenomenon, and in the most of them, coronary artery bypass graft is required. We here describe a rare case of this anomaly that concomitantly was associated with supravalvar aortic stenosis and coronary-pulmonary fistula without the presence of conventional collateral circulation in a 16-year-old boy. The patient was admitted to our center with chest pain and dyspnea. Echocardiographic examinations showed supravalvar aortic stenosis with normal function of the aortic valve...
October 2018: Annals of Cardiac Anaesthesia
https://www.readbyqxmd.com/read/30333267/diagnostic-accuracy-of-platelet-lymphocyte-ratio-for-screening-complex-coronary-lesion-in-different-age-group-of-patients-with-acute-coronary-syndrome
#5
Irma Wahyuni Anwar, Ika Prasetya Wijaya, Lugyanti Sukrisman, Sally A Nasution, Cleopas M Rumende
BACKGROUND: with the increasing number of patients with acute coronary syndrome (ACS) with complex coronary lesion and the increasing needs of coronary artery bypass grafting (CABG) procedures, there is an increasing need for a tool to perform early stratification in high-risk patients, which can be used in daily clinical practice, even at first-line health care facilities setting in Indonesia. It is expected that early stratification of high-risk patients can reduce morbidity and mortality rate in patients with ACS...
July 2018: Acta Medica Indonesiana
https://www.readbyqxmd.com/read/30328208/coronary-artery-fistula-detected-with-transesophageal-echocardiography-an-unexpected-cause-of-pulmonary-hypertension-and-chest-pain
#6
Emrah Erdogan, Murat Cap, Cagdas Topel, Suleyman C Efe, Ahmet S Gurbuz
Coronary artery fistulae are congenital cardiac abnormalities characterized by an abnormal communication between a coronary artery and a cardiac chamber, systemic or pulmonary vessel. Most of the cases are asymptomatic and are discovered incidentally during an angiography. We describe a rare case of a right coronary artery fistula draining to the right atrium, manifesting in chest pain and pulmonary arterial hypertension (PAH). The fistula was detected on transesophageal echocardiography during the workup for PAH...
October 16, 2018: Echocardiography
https://www.readbyqxmd.com/read/30325774/mild-renal-impairment-is-associated-with-calcified-plaque-parameters-assessed-by-ct-angiography-in-people-living-with-hiv
#7
Lediya T Cheru, Kathleen V Fitch, Charles F Saylor, Michael Lu, Udo Hoffmann, Janet Lo, Steven K Grinspoon
OBJECTIVE: To investigate the association of mild renal impairment and coronary plaque in people living with HIV (PLHIV). METHODS: PLHIV and non-HIV controls with serum creatinine <1.5 mg/dL were investigated. eGFR (calculated by CKD-EPI formula) was related to coronary plaque indices obtained by CT angiography. RESULTS: 184 PLHIV (HIV viral load, 49 [47,49] copies/mL, CD4+ count, median 536 [370, 770] cells/mm, duration HIV, 15 ± 7 years) and 72 HIV-negative controls without known cardiovascular disease (CVD) were studied...
October 15, 2018: AIDS
https://www.readbyqxmd.com/read/30324777/characterization-of-coronary-artery-disease-in-young-adults-and-assessment-of-long-term-outcomes
#8
Ahmad Hassan, Ronen Jaffe, Ronen Rubinshtein, Basheer Karkabi, David A Halon, Moshe Y Flugelman, Barak Zafrir
BACKGROUND: Contemporary data on clinical profiles and long-term outcomes of young adults with coronary artery disease (CAD) are limited. OBJECTIVES: To determine the risk profile, presentation, and outcomes of young adults undergoing coronary angiography. METHODS: A retrospective analysis (2000-2017) of patients aged ≤ 35 years undergoing angiography for evaluation and/or treatment of CAD was conducted. RESULTS: Coronary angiography was performed in 108 patients (88% males): 67 acute coronary syndrome (ACS) and 41 non-ACS chest pain syndromes...
October 2018: Israel Medical Association Journal: IMAJ
https://www.readbyqxmd.com/read/30324382/noninvasive-ct-based-hemodynamic-assessment-of-coronary-lesions-derived-from-fast-computational-analysis-a-comparison-against-fractional-flow-reserve
#9
Panagiotis K Siogkas, Constantinos D Anagnostopoulos, Riccardo Liga, Themis P Exarchos, Antonis I Sakellarios, George Rigas, Arthur J H A Scholte, M I Papafaklis, Dimitra Loggitsi, Gualtiero Pelosi, Oberdan Parodi, Teemu Maaniitty, Lampros K Michalis, Juhani Knuuti, Danilo Neglia, Dimitrios I Fotiadis
OBJECTIVES: Application of computational fluid dynamics (CFD) to three-dimensional CTCA datasets has been shown to provide accurate assessment of the hemodynamic significance of a coronary lesion. We aim to test the feasibility of calculating a novel CTCA-based virtual functional assessment index (vFAI) of coronary stenoses > 30% and ≤ 90% by using an automated in-house-developed software and to evaluate its efficacy as compared to the invasively measured fractional flow reserve (FFR)...
October 15, 2018: European Radiology
https://www.readbyqxmd.com/read/30322729/the-smoker-s-paradox-in-acute-coronary-syndrome-is-it-real
#10
Madalena Coutinho Cruz, Rita Ilhão Moreira, Ana Abreu, Ana Teresa Timóteo, Ramiro Sá Carvalho, Lurdes Ferreira, Rui Cruz Ferreira
INTRODUCTION: Smoking is associated with atherosclerotic disease, but there is controversy about its protective nature after acute coronary syndrome (ACS). OBJECTIVE: To determine the impact of smoking on the presentation, treatment and outcome of ACS. METHODS: We analyzed all consecutive patients with ACS in a single center between 2005 and 2014. Current smokers and never-smokers were compared. Independent predictors of in-hospital mortality and of a composite of all-cause mortality, rehospitalization for cardiovascular causes, angiography, percutaneous coronary intervention and coronary artery bypass grafting were assessed by multivariate logistic regression...
October 12, 2018: Portuguese Journal of Cardiology: An Official Journal of the Portuguese Society of Cardiology
https://www.readbyqxmd.com/read/30321159/role-of-flowmetry-in-tactics-of-bypass-grafting-for-myocardial-bridge-of-the-anterior-descending-artery
#11
V V Bazylev, E V Nemchenko, A I Mikuliak, V A Karnakhin
The purpose of the study was to analyse the remote results of bypass grafting for myocardial bridges. Our retrospective single-centre study included a total of 17 patients subjected to coronary bypass grafting of the anterior descending artery (ADA) in connection with a detected myocardial bridge (MB). All patients underwent assessment of the coronary bypass grafts (CBG) by means of intraoperative flowmetry - transit time flow measurement (TTFM), as well as angiographic control of the CBGs in the remote period...
2018: Angiologii︠a︡ i Sosudistai︠a︡ Khirurgii︠a︡, Angiology and Vascular Surgery
https://www.readbyqxmd.com/read/30320931/respiratory-and-cardiac-motion-corrected-simultaneous-whole-heart-pet-and-dual-phase-coronary-mr-angiography
#12
Camila Munoz, Radhouene Neji, Karl P Kunze, Stephan G Nekolla, Rene M Botnar, Claudia Prieto
PURPOSE: To develop a framework for efficient and simultaneous acquisition of motion-compensated whole-heart coronary MR angiography (CMRA) and left ventricular function by MR and myocardial integrity by PET on a 3T PET-MR system. METHODS: An acquisition scheme based on a dual-phase CMRA sequence acquired simultaneously with cardiac PET data has been developed. The framework is integrated with a motion-corrected image reconstruction approach, so that non-rigid respiratory and cardiac deformation fields estimated from MR images are used to correct both the CMRA (respiratory motion correction for each cardiac phase) and the PET data (respiratory and cardiac motion correction)...
October 15, 2018: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/30320567/acute-effects-of-iodixanol-on-renal-function-after-intra-arterial-administration-in-patients-with-end-stage-kidney-disease
#13
U Gerk, R P Franke, A Krüger-Genge, F Jung
BACKGROUND: Contrast-induced acute kidney injury (CI-AKI), a potentially life-threatening complication of iodinated contrast media in patients with impaired renal function, has attracted increasing attention in recent years. There is overwhelming evidence that the most important pre-disposing factor for a contrast-medium induced nephropathy is the pre-existence of a renal impairment. METHODS: The registry was performed as a part of a quality management project in the Dresden-Friedrichstadt heart catheter laboratory...
October 11, 2018: Journal of Neuromuscular Diseases
https://www.readbyqxmd.com/read/30320565/tako-tsubo-syndrome-spontaneous-coronary-dissection-and-microvascular-disease-sex-differences
#14
Tommaso Gori, Remzi Anadol
Up to 50% of the patients undergoing coronary angiography present no epicardial disease. Most of these patients are women. Takotsubo cardiomyopathy, coronary microvascular dysfunction, and spontaneous coronary artery dissection are the most common syndromes that affect these patients. Their mechanisms are complex, with a interplay between neurohormonal factors and a number of other systems. The present review describes how changes in the estrogen state may lead to changes in vasomotor tone and endothelial dysfunction which result in coronary epicardial and microvascular spasm and coronary arterial wall instability in these three conditions...
October 11, 2018: Journal of Neuromuscular Diseases
https://www.readbyqxmd.com/read/30318654/non-electrocardiographic-gated-computed-tomographic-angiography-can-be-used-to-diagnose-coronary-artery-anomalies-in-bulldogs-with-pulmonary-valve-stenosis
#15
Catherine T Gunther-Harrington, Kathryn L Phillips, Lance C Visser, Samantha L Fousse, Joshua A Stern
Coronary artery anomalies have been reported in Bulldogs and present an increased risk when performing balloon valvuloplasty. Identification of coronary anomalies has been reported using multidetector-row computed tomographic (MDCT) angiography with electrocardiographic gating. However, the utility of non-electrocardiographic-gated 16-row computed tomographic for MDCT for the identification of coronary artery anatomy or anomalies to the authors' knowledge has not been fully investigated. The purpose of this study was to evaluate the feasibility of non-electrocardiographic-gated computed tomographic (CT) angiography to identify coronary anomalies in Bulldogs with pulmonary valve stenosis...
October 14, 2018: Veterinary Radiology & Ultrasound
https://www.readbyqxmd.com/read/30317136/imaging-of-coronary-artery-fistulas-by-multidetector-ct-angiography-using-third-generation-dual-source-ct-scanner
#16
REVIEW
Arun Sharma, Niraj Nirmal Pandey, Sanjeev Kumar
Coronary artery fistulas are rare cardiac conditions which constitute a subgroup of anomalies of the coronary arteries. Though majority are asymptomatic, they may be associated with high prevalence of late symptoms and complications. Accurate identification of the fistulas, their hemodynamic significance and associated conditions generally influence management strategies. Dual source computed tomographic evaluation is valuable in delineating its precise morphology with identification and characterization of associated anomalies, thereby assisting in mapping the ideal treatment option...
October 8, 2018: Clinical Imaging
https://www.readbyqxmd.com/read/30317061/sex-differences-in-long-term-outcomes-of-patients-across-the-spectrum-of-coronary-artery-disease
#17
Neha J Pagidipati, Daniel W Mudrick, Karen Chiswell, Amanda Brucker, Eric D Peterson, Pamela S Douglas
BACKGROUND: Patients with nonobstructive coronary artery disease (CAD) have worse outcomes compared with those without CAD; however, few studies have compared the intermediate- and long-term impact of CAD severity as a function of patient sex. METHODS: We evaluated 5-year and long-term all-cause mortality of women and men undergoing elective coronary angiography at a single center by degree of CAD: no CAD (1%-24% stenosis), nonobstructive CAD (25%-69% epicardial stenosis or 25%-49% left main stenosis), or obstructive CAD (epicardial stenosis ≥70% or left main stenosis ≥50%), both overall and after adjusting for baseline clinical risk factors using Cox proportional-hazards models...
October 2, 2018: American Heart Journal
https://www.readbyqxmd.com/read/30316950/performance-of-coronary-angiography-and-intervention-after-out-of-hospital-cardiac-arrest
#18
Kathleen Kearney, Charles Maynard, Bryn Smith, Thomas D Rea, Alexis Beatty, James M McCabe
AIMS: Out of Hospital Cardiac Arrest (OHCA) is frequently attributed to coronary artery disease, thus guidelines recommend coronary angiography (CAG) for survivors of OHCA. However, the real-world application of these guidelines is unknown, and we sought to evaluate CAG practices in the contemporary OHCA population. METHODS: The Clinical Outcomes Assessment Program (COAP), a Washington State public reporting system, and the Cardiac Arrest Registry to Enhance Survival (CARES), a national registry of OHCA, were matched to characterize OHCA presentations between 2014 and 2015...
October 11, 2018: Resuscitation
https://www.readbyqxmd.com/read/30316356/importance-of-timed-and-detailed-evaluation-of-kidney-transplantation-candidates
#19
M Han, N Y Jeong, S Y Oh, C I Choi, Y S Chung, H W Lee, H Rhee, E Y Seong, S H Song
Kidney transplant recipients are at increased risk of cardiovascular morbidity and malignant neoplasm, and meticulous evaluation of potential recipients is needed to minimize risks of complications after transplantation. The purpose of this study was to analyze the results of preoperative assessments and document the importance of timed and detailed examinations. METHODS: Medical records of patients evaluated as kidney transplant candidates from January 2015 to September 2017 were retrospectively collected and analyzed...
October 2018: Transplantation Proceedings
https://www.readbyqxmd.com/read/30315503/a-simple-modified-framingham-scoring-system-to-predict-obstructive-coronary-artery-disease
#20
Yong Liu, Qiang Li, Shiqun Chen, Xia Wang, Yingling Zhou, Ning Tan, Jiyan Chen
Development of simple non-invasive risk prediction model would help in early prediction of coronary artery disease (CAD) reducing the burden on public health. This paper demonstrates a risk prediction scoring system to predict obstructive coronary artery disease (OCAD) in CAD patients. A total of 13,082 patients, referred for coronary angiography (CAG) in TRUST trial, were included in the development of a multivariable diagnostic prediction model. External validation of the model used 1009 patients from PRECOMIN study...
October 12, 2018: Journal of Cardiovascular Translational Research
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