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World Journal of Cardiology

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https://www.readbyqxmd.com/read/28515859/conservative-management-of-aortic-root-rupture-complicated-with-cardiac-tamponade-following-transcatheter-aortic-valve-implantation
#1
Luca Vannini, Rut Andrea, Manel Sabaté
Aortic root rupture and cardiac tamponade during transcatheter aortic valve implantation is a frightening complication with high mortality rate. A conservative management of this complication could represent an initial strategy, especially in high-risk patients, to avoid emergent cardiac surgery. This conservative management includes: Immediate detection of pericardial effusion by echocardiography, a fast instauration of pericardial drainage, auto-transfusion and anticoagulation reversal. We describe two cases of patients who suffered this complication and were treated successfully with this initial approach...
April 26, 2017: World Journal of Cardiology
https://www.readbyqxmd.com/read/28515858/three-dimensional-optical-coherence-tomography-reconstruction-of-bifurcation-stenting-using-the-szabo-anchor-wire-technique
#2
Katherine Yu, Harkawal Hundal, Todd Zynda, Arnold Seto
Ostial lesions present unique challenges for percutaneous coronary intervention (PCI). These lesions are often more calcified, fibrotic, rigid, and more prone to elastic recoil. Intervention on these lesions is associated with higher procedural complications and higher rates of restenosis. Ostial lesions require precise stent placement in the ostium with the absence of side branch compromise. Accurate stent placement in the ostium without side branch compromise is difficult to accomplish with angiography alone...
April 26, 2017: World Journal of Cardiology
https://www.readbyqxmd.com/read/28515857/contrast-use-in-relation-to-the-arterial-access-site-for-percutaneous-coronary-intervention-a-comprehensive-meta-analysis-of-randomized-trials
#3
Rahman Shah, Anthony Mattox, M Rehan Khan, Chalak Berzingi, Abdul Rashid
AIM: To compare the amount of contrast used during percutaneous coronary intervention (PCI) via trans-radial access (TRA) vs trans-femoral access (TFA). METHODS: Scientific databases and websites were searched for:randomizedcontrolledtrials (RCTs). Data were extracted by two independent reviewers and was summarized as the weighted mean difference (WMD) of contrast used with a 95%CI using a random-effects model. RESULTS: The meta-analysis included 13 RCTs with a total of 3165 patients...
April 26, 2017: World Journal of Cardiology
https://www.readbyqxmd.com/read/28515856/inter-ethnic-marriages-and-severity-of-coronary-artery-disease-a-multicenter-study-of-arabian-gulf-states
#4
Amin Daoulah, Salem Al-Kaabi, Amir Lotfi, Mushabab Al-Murayeh, S Ali Nasseri, Waleed Ahmed, Salah N Al-Otaibi, Mohamed N Alama, Osama E Elkhateeb, Amy J Plotkin, Majed M Malak, Khalid Alshali, Mohamed Hamzi, Saleh Al Khunein, Mohammed Abufayyah, Alawi A Alsheikh-Ali
AIM: To assess the association of inter-ethnic vs intra-ethnic marriage with severity of coronary artery disease (CAD) in men undergoing angiography. METHODS: We conducted a prospective multicenter, multi-ethnic, cross sectional observational study at five hospitals in Saudi Arabia and the United Arab Emirates, in which we used logistic regression analysis with and without adjustment for baseline differences. RESULTS: Data were collected for 1068 enrolled patients undergoing coronary angiography for clinical indications during the period of April 1(st), 2013 to March 30(th), 2014...
April 26, 2017: World Journal of Cardiology
https://www.readbyqxmd.com/read/28515855/speckle-tracking-echocardiography-to-assess-regional-ventricular-function-in-patients-with-apical-hypertrophic-cardiomyopathy
#5
María Cristina Saccheri, Tomás Francisco Cianciulli, Luis Alberto Morita, Ricardo José Méndez, Martín Alejandro Beck, Juan Enrique Guerra, Alberto Cozzarin, Luciana Jimena Puente, Lorena Romina Balletti, Jorge Alberto Lax
AIM: To explore regional systolic strain of midwall and endocardial segments using speckle tracking echocardiography in patients with apical hypertrophic cardiomyopathy (HCM). METHODS: We prospectively assessed 20 patients (mean age 53 ± 16 years, range: 18-81 years, 10 were male), with apical HCM. We measured global longitudinal peak systolic strain (GLPSS) in the midwall and endocardium of the left ventricle. RESULTS: The diastolic thickness of the 4 apical segments was 16...
April 26, 2017: World Journal of Cardiology
https://www.readbyqxmd.com/read/28515854/determinants-of-percutaneous-coronary-intervention-success-in-repeat-chronic-total-occlusion-procedures-following-an-initial-failed-attempt
#6
Cecilia Cuevas, Nicola Ryan, Alicia Quirós, Juan Gustavo Del Angel, Nieves Gonzalo, Pablo Salinas, Pilar Jiménez-Quevedo, Luis Nombela-Franco, Ivan Nuñez-Gil, Antonio Fernandez-Ortiz, Carlos Macaya, Javier Escaned
AIM: To investigate the rates and determinants of success of repeat percutaneous coronary intervention (PCI) following an initial failed attempt at recanalising the chronic total occlusions (CTO) percutaneously. METHODS: In 445 consecutive first attempt CTO-PCI procedures in our institution, procedural failure occurred in 149 (33.5%). Sixty-four re-PCI procedures were performed in 58 patients (39%) all had a single CTO. Procedural and outcome data in the re-PCI population was entered into the institutional database...
April 26, 2017: World Journal of Cardiology
https://www.readbyqxmd.com/read/28515853/qt-prolongation-is-associated-with-increased-mortality-in-end-stage-liver-disease
#7
Sun Moon Kim, Bennet George, Diego Alcivar-Franco, Charles L Campbell, Richard Charnigo, Brian Delisle, Jonathan Hundley, Yousef Darrat, Gustavo Morales, Samy-Claude Elayi, Alison L Bailey
AIM: To determine the prevalence of QT prolongation in a large series of end stage liver disease (ESLD) patients and its association to clinical variables and mortality. METHODS: The QT interval was measured and corrected for heart rate for each patient, with a prolonged QT cutoff defined as QT > 450 ms for males and QT > 470 ms for females. Multiple clinical variables were evaluated including sex, age, serum sodium, international normalized ratio, creatinine, total bilirubin, beta-blocker use, Model for End-Stage Liver Disease (MELD), MELD-Na, and etiology of liver disease...
April 26, 2017: World Journal of Cardiology
https://www.readbyqxmd.com/read/28515852/bilateral-vs-unilateral-internal-mammary-revascularization-in-patients-with-left-ventricular-dysfunction
#8
Batric Popovic, Pablo Maureira, Yves Juilliere, Nicolas Danchin, Damien Voilliot, Fabrice Vanhuyse, Jean Pierre Villemot
AIM: To investigate the survival benefit of bilateral internal mammary artery (BIMA) grafts in patients with left ventricular dysfunction. METHODS: Between 1996 and 2009, we performed elective, isolated, primary, multiple cardiac arterial bypass grafting in 430 consecutive patients with left ventricular ejection fraction ≤ 40%. The early and long-term results were compared between 167 patients undergoing BIMA grafting and 263 patients using left internal mammary artery (LIMA)-saphenous venous grafting (SVG)...
April 26, 2017: World Journal of Cardiology
https://www.readbyqxmd.com/read/28515851/blood-conservation-pediatric-cardiac-surgery-in-all-ages-and-complexity-levels
#9
Mohsen Karimi, Jill M Sullivan, Carrie Linthicum, Anil Mathew
AIM: To demonstrate the feasibility of blood conservation methods and practice across all ages and risk categories in congenital cardiac surgery. METHODS: We retrospectively analyzed a collected database of 356 patients who underwent cardiac surgery using cardiopulmonary bypass (CPB) from 2010-2015. The patients were grouped into blood conservation (n = 138) and non-conservation (n = 218) groups and sub-grouped based on their ages and procedural complexity scores...
April 26, 2017: World Journal of Cardiology
https://www.readbyqxmd.com/read/28515850/dissection-of-z-disc-myopalladin-gene-network-involved-in-the-development-of-restrictive-cardiomyopathy-using-system-genetics-approach
#10
Qingqing Gu, Uzmee Mendsaikhan, Zaza Khuchua, Byron C Jones, Lu Lu, Jeffrey A Towbin, Biao Xu, Enkhsaikhan Purevjav
AIM: To investigate the regulation of Myopalladin (Mypn) and identify its gene network involved in restrictive cardiomyopathy (RCM). METHODS: Gene expression values were measured in the heart of a large family of BXD recombinant inbred (RI) mice derived from C57BL/6J and DBA/2J. The proteomics data were collected from Mypn knock-in and knock-out mice. Expression quantitative trait locus (eQTL) mapping methods and gene enrichment analysis were used to identify Mypn regulation, gene pathway and co-expression networks...
April 26, 2017: World Journal of Cardiology
https://www.readbyqxmd.com/read/28515849/feature-tracking-cardiac-magnetic-resonance-imaging-a-review-of-a-novel-non-invasive-cardiac-imaging-technique
#11
REVIEW
Zia Ur Rahman, Pooja Sethi, Ghulam Murtaza, Hafeez Ul Hassan Virk, Aitzaz Rai, Masliza Mahmod, Jeffrey Schoondyke, Kais Albalbissi
Cardiovascular disease is a leading cause of morbidity and mortality globally. Early diagnostic markers are gaining popularity for better patient care disease outcomes. There is an increasing interest in noninvasive cardiac imaging biomarkers to diagnose subclinical cardiac disease. Feature tracking cardiac magnetic resonance imaging is a novel post-processing technique that is increasingly being employed to assess global and regional myocardial function. This technique has numerous applications in structural and functional diagnostics...
April 26, 2017: World Journal of Cardiology
https://www.readbyqxmd.com/read/28515848/coronary-artery-disease-detection-limitations-of-stress-testing-in-left-ventricular-dysfunction
#12
REVIEW
Ritin Bomb, Senthil Kumar, Anand Chockalingam
Incidental diagnosis of left ventricular systolic dysfunction (LVD) is common in clinical practice. The prevalence of asymptomatic LVD (Ejection Fraction, EF < 50%) is 6.0% in men and 0.8% in women and is twice as common as symptomatic LVD. The timely and definitive exclusion of an ischemic etiology is central to optimizing care and reducing mortality in LVD. Advances in cardiovascular imaging provide many options for imaging of patients with left ventricular dysfunction. Clinician experience, patient endurance, imaging modality characteristics, cost and safety determine the choice of testing...
April 26, 2017: World Journal of Cardiology
https://www.readbyqxmd.com/read/28515847/pacemaker-recycling-a-notion-whose-time-has-come
#13
REVIEW
Mason W Runge, Timir S Baman, Sheldon Davis, Kevin Weatherwax, Ed Goldman, Kim A Eagle, Thomas C Crawford
The purpose of this paper is to summarize the need, feasibility, safety, legality, and ethical perspectives of pacemaker reutilization in low- and middle-income countries (LMICs). It will also describe, in-depth, Project My Heart Your Heart (PMHYH) as a model for pacemaker reuse in LMICs. The primary source of the discussion points in this paper is a collection of 14 publications produced by the research team at the University of Michigan and its collaborative partners. The need for pacemaker reutilization in LMICs is evident...
April 26, 2017: World Journal of Cardiology
https://www.readbyqxmd.com/read/28400927/importance-of-a-second-spasm-provocation-test-four-cases-with-an-initial-negative-spasm-provocation-test
#14
Hiroki Teragawa, Yuichi Fujii, Yuko Uchimura, Tomohiro Ueda
The spasm provocation test (SPT) is an important test in the diagnosis of vasospastic angina (VSA). In many cases, this test is performed as the gold standard test, and VSA is considered not present if the SPT is negative. However, some patients continue to experience chest symptoms despite a negative SPT. In this study, we report four cases in which SPT was repeated to evaluate chest symptoms despite the negative results of the first SPT. Two men in their 70s, one woman in her 60s, and one woman in her 70s, all with chest symptoms, underwent a second SPT at 4, 3, 2, and 3 years, respectively, after the first SPT, which was negative...
March 26, 2017: World Journal of Cardiology
https://www.readbyqxmd.com/read/28400926/early-stent-thrombosis-secondary-to-food-allergic-reaction-kounis-syndrome-following-rice-pudding-ingestion
#15
Georgios Tzanis, Maria Bonou, Nikolaos Mikos, Smaragda Biliou, Ioanna Koniari, Nicholas G Kounis, John Barbetseas
Kounis syndrome is the concurrence of coronary spasm, acute myocardial infarction or stent thrombosis, with allergic reactions in the setting of mast-cell and platelet activation. In this report Kounis syndrome manifesting as stent thrombosis with left ventricular thrombus formation was triggered by a food-induced allergic reaction. The allergic reaction to food was confirmed by oral rice pudding ingredients challenge test while skin tests were inconclusive. To our knowledge, this is first report of early stent thrombosis secondary to food allergic reaction in a 70-year-old man patient who was found to have left ventricular thrombus and undiagnosed hypertrophic cardiomyopathy...
March 26, 2017: World Journal of Cardiology
https://www.readbyqxmd.com/read/28400925/children-with-transposition-of-the-great-arteries-should-they-actually-be-born-in-nigeria
#16
Barakat Adeola Animasahun, Akpoembele Deborah Madise-Wobo, Henry Olusegun Gbelee, Samuel Ilenre Omokhodion
AIM: To describe the clinical and echocardiographic features of Nigerian children with transposition of the great arteries and emphasize the need for collaboration with cardiac centres in the developed countries to be able to salvage the children. METHODS: Prospective and cross sectional involving consecutive patients diagnosed with transposition of the great arteries using clinical evaluation and echocardiography at the Paediatric Department of Lagos State University Teaching Hospital, Lagos Nigeria as part of a large study between January 2007 and December 2015...
March 26, 2017: World Journal of Cardiology
https://www.readbyqxmd.com/read/28400924/risk-of-ventricular-arrhythmia-in-patients-with-myocardial-infarction-and-non-obstructive-coronary-arteries-and-normal-ejection-fraction
#17
Loïc Bière, Marjorie Niro, Hervé Pouliquen, Jean-Baptiste Gourraud, Fabrice Prunier, Alain Furber, Vincent Probst
AIM: To assess the arrhythmic determinants and prognosis of patients presenting with myocardial infarction and non-obstructive coronary arteries (MINOCA) with normal ejection fraction (EF). METHODS: This is an observational analysis of 131 MINOCA patients with normal EF. Three cardiac magnetic resonance (CMR) diagnosis classes were recognized according to the late gadolinium enhancement (LGE) pattern: Myocardial infarction (MI) (n = 34), myocarditis (n = 47), and "no LGE" (n = 50)...
March 26, 2017: World Journal of Cardiology
https://www.readbyqxmd.com/read/28400923/significance-of-inferior-wall-ischemia-in-non-dominant-right-coronary-artery-anatomy
#18
Ali Osama Malik, Oliver Abela, Subodh Devabhaktuni, Arhama Aftab Malik, Gayle Allenback, Chowdhury H Ahsan, Sanjay Malhotra, Jimmy Diep
AIM: To investigate the relationship of inferior wall ischemia on myocardial perfusion imaging in patients with non-dominant right coronary artery anatomy. METHODS: This was a retrospective observational analysis of consecutive patients who presented to the emergency department with primary complaint of chest pain. Only patients who underwent single photon emission computed tomography (SPECT) myocardial perfusion imaging (MPI) were included. Patients who showed a reversible defect on SPECT MPI and had coronary angiography during the same hospitalization was analyzed...
March 26, 2017: World Journal of Cardiology
https://www.readbyqxmd.com/read/28400922/pheochromocytoma-and-stress-cardiomyopathy-insight-into-pathogenesis
#19
Sahil Agrawal, Jamshid Shirani, Lohit Garg, Amitoj Singh, Santo Longo, Angelita Longo, Mark Fegley, Lauren Stone, Muhammad Razavi, Nicoleta Radoianu, Sudip Nanda
AIM: To investigate the occurrence of cardiomyopathy (CMP) in a cohort of patients with histologically proven pheochromocytoma (pheo), and to determine if catecholamine excess was causative of the left ventricular (LV) dysfunction. METHODS: A retrospective chart review spanning years 1998 through 2014 was undertaken and patients with a diagnosis of pheo confirmed with histopathologic examination were included. Presenting electrocardiograms and cardiac imaging studies were reviewed...
March 26, 2017: World Journal of Cardiology
https://www.readbyqxmd.com/read/28400921/validity-of-electrocardiographic-criteria-for-increased-left-ventricular-mass-in-young-patients-in-the-general-population
#20
Eduard Sklyar, Paul Ginelli, Aaron Barton, Richard Peralta, Jonathan N Bella
AIM: To investigate validity of electrocardiographic (ECG) criteria for left ventricular hypertrophy (LVH) in young adults. METHODS: Retrospectively, echocardiograms showing LVH and concomitant electrocardiograms were collected in patients 18 to 39 years old. A control group of patients without LVH was collected. Using echocardiogram as the gold standard, electrocardiograms were analyzed using common voltage criteria. RESULTS: Study included 100 subjects (52% male, mean age = 28 ± 6...
March 26, 2017: World Journal of Cardiology
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