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Left atrial dilation

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https://www.readbyqxmd.com/read/28344621/transseptal-balloon-atrial-septostomy-for-decompression-of-the-left-atrium-during-extracorporeal-membrane-oxygenation-support-as-a-bridge-to-transplantation-in-dilated-cardiomyopathy
#1
Paweł Litwiński, Marcin Demkow, Małgorzata Sobieszczańska, Jarosław Szymański, Józef Stolarek, Mariusz Kuśmierczyk
No abstract text is available yet for this article.
2017: Postępy W Kardiologii Interwencyjnej, Advances in Interventional Cardiology
https://www.readbyqxmd.com/read/28341544/echocardiographic-assessment-of-right-ventricular-function-in-routine-practice-which-parameters-are-useful-to-predict-one-year-outcome-in-advanced-heart-failure-patients-with-dilated-cardiomyopathy
#2
Takayuki Kawata, Masao Daimon, Koichi Kimura, Tomoko Nakao, Seitetsu L Lee, Megumi Hirokawa, Tomoko S Kato, Masafumi Watanabe, Yutaka Yatomi, Issei Komuro
BACKGROUND: Right ventricular (RV) function has recently gained attention as a prognostic predictor of outcome even in patients who have left-sided heart failure. Since several conventional echocardiographic parameters of RV systolic function have been proposed, our aim was to determine if any of these parameters (tricuspid annular plane systolic excursion: TAPSE, tissue Doppler derived systolic tricuspid annular motion velocity: S', fractional area change: FAC) are associated with outcome in advanced heart failure patients with dilated cardiomyopathy (DCM)...
March 21, 2017: Journal of Cardiology
https://www.readbyqxmd.com/read/28325614/gothic-aortic-arch-and-cardiac-mechanics-in-young-patients-after-arterial-switch-operation-for-d-transposition-of-the-great-arteries
#3
Giovanni Di Salvo, Ziad Bulbul, Valeria Pergola, Ziad Issa, Ghassan Siblini, Nisreen Muhanna, Domenico Galzerano, Bahaa Fadel, Mansour Al Joufan, Majid Al Fayyadh, Zohair Al Halees
BACKGROUND: In patients who have undergone arterial switch operation (ASO) for d-transposition of the great arteries a gothic aortic arch (GA) morphology has been found and it has been associated with abnormal aortic bio-elastic properties. HYPOTHESIS: GA is frequent in ASO patients and may have an impact on cardiac mechanics. Our study aims were to assess 1- the occurrence of GA in a large sample of patients after ASO; 2- the association between GA and aortic bio-elastic properties; and 3- the impact of GA on left ventricular (LV) function using speckle tracking echocardiography (STE)...
March 11, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28320863/rac1-gtpase-regulates-11%C3%AE-hydroxysteroid-dehydrogenase-type-2-and-fibrotic-remodeling
#4
Daniel Lavall, Pia Schuster, Nadine Jacobs, Andrey Kazakov, Michael Böhm, Ulrich Laufs
The aim of the study was to characterize the role of Rac1 GTPase for the mineralocorticoid receptor (MR) mediated pro-fibrotic remodeling. Transgenic mice with cardiac overexpression of constitutively active Rac1 (RacET) develop an age-dependent phenotype with atrial dilatation, fibrosis and atrial fibrillation. Expression of MR was similar in RacET and wild-type (WT) mice. The expression of 11β hydroxysteroid dehydrogenase type 2 (11β-HSD2) was age-dependently upregulated in the atria and the left ventricles of RacET mice on mRNA and protein level...
March 20, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28316327/obstructive-primary-cardiac-t-cell-lymphoma-a-case-report-from-senegal
#5
Simon Antoine Sarr, Abdou Majib Gaye, Fatou Aw, Jean de Dieu Nzambaza, Malick Bodian, Kana Babaka, Mouhamadou Bamba Ndiaye, Adama Kane, Maboury Diao, Serigne Abdou Ba
BACKGROUND Cardiac lymphoma is a rare entity, defined by the non-extra cardiac location at diagnosis. CASE REPORT Our patient was a 32-year-old female with no particular medical history, who presented with right heart failure with recurrent ascites and pleural effusion. There was a progressive worsening exertional dyspnea. On admission, examination revealed an irregular tachycardia at 170 beats per minute (bpm) and congestive heart failure. The electrocardiogram scored full tachyarrhythmia by atrial fibrillation with an average ventricular rate of 179 cycles per minute...
March 20, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28302243/coexistent-mitral-stenosis-and-multiple-sclerosis-an-unprecedented-case
#6
Ali Zohair Nomani, Irfan Ullah Khatak, Mansoor Iqbal, Haris Majid Rajput, Sumaira Nabi
Mitral stenosis is a valvular heart disease characterised by narrowing of mitral orifice. It can lead to a dilated left atrium with atrial fibrillation culminating into thrombus formation. Patients with mitral stenosis, presenting with stroke-like episodes, most likely experience cardio-embolic phenomenon; but unusual and unprecedented associations do occur. Reported association of cardiac MS with demyelinating CNS MS has never been proven; but authors have speculated theories based on case reports and series...
March 2017: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/28290856/-chronic-heart-failure-with-preserved-systolic-function-and-reversible-dilatation-of-cardiac-chambers
#7
O V Blagova, S V Volkov, A V Nedostup, A O Korobkov, I V Mostovoy, N G Sergushina, N V Gagarina, E A Mershina
Diagnosis of dilation (D) cardiomyopathy (CMP) requires exclusion not only of inflammatory and genetically determined forms but also of some rare diseases. This 51 year old patient with history of moderate arterial hypertension approached a cardiologist because of new onset atrial fibrillation and dyspnea. Echocardiography detected dilation of all cardiac chambers with relatively preserved ejection fraction, causing suspicion of DCMP. Among conditions excluded were coronary atherosclerosis, congenital heart defect with left to right shunt, primary pulmonary hypertension, pulmonary embolism, hypertensive heart, tachycardia induced CMP, arrhythmogenic right ventricular dysplasia, noncompaction myocardium...
June 2016: Kardiologiia
https://www.readbyqxmd.com/read/28290006/exercise-testing-and-stress-imaging-in-mitral-valve-disease
#8
REVIEW
Damien Voilliot, Patrizio Lancellotti
Mitral valve disease represented by mitral stenosis and mitral regurgitation is the second most frequent valvulopathy. Mitral stenosis leads to an increased left atrial pressure whereas mitral regurgitation leads to an increased left atrial pressure associated with a volume overload. Secondary to an upstream transmission of this overpressure, both mitral stenosis and regurgitation lead to pulmonary hypertension and right heart failure. In addition, mitral regurgitation also leads to left ventricular dilatation and dysfunction with left heart failure...
March 2017: Current Treatment Options in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28285546/left-heart-decompression-in-acute-complicated-myocardial-infarction-during-extracorporeal-membrane-oxygenation
#9
Seok In Lee, So Young Lee, Chang Hyu Choi, Kook Yang Park, Chul-Hyun Park
Acute myocardial infarction (AMI) can progress to cardiogenic shock and mechanical complications. When extracorporeal membrane oxygenation (ECMO) is applied to a patient with AMI with cardiogenic shock and mechanical complications, left ventricular (LV) decompression is an important recovery factor because LV dilation increases myocardial wall stress and oxygen consumption. The authors present the case of a 72-year-old man with AMI and LV dilation who developed cardiogenic shock and papillary muscle rupture and who was treated successfully by ECMO with a left atrial venting...
January 1, 2017: Journal of Intensive Care Medicine
https://www.readbyqxmd.com/read/28283502/validation-of-noninvasive-measurement-of-cardiac-output-using-inert-gas-rebreathing-in-a-cohort-of-patients-with-heart-failure-and-reduced-ejection-fraction
#10
Mohamed Hassan, Kerolos Wagdy, Ahmed Kharabish, Peter Philip Selwanos, Ahmed Nabil, Ahmed Elguindy, Amr ElFaramawy, Mahmoud F Elmahdy, Hani Mahmoud, Magdi H Yacoub
BACKGROUND: Cardiac output (CO) is a key indicator of cardiac function in patients with heart failure. No completely accurate method is available for measuring CO in all patients. The objective of this study was to validate CO measurement using the inert gas rebreathing (IGR) method against other noninvasive and invasive methods of CO quantification in a cohort of patients with heart failure and reduced ejection fraction. METHODS AND RESULTS: The study included 97 patients with heart failure and reduced ejection fraction (age 42±15...
March 2017: Circulation. Heart Failure
https://www.readbyqxmd.com/read/28281414/reversal-of-severe-mitral-regurgitation-by-device-closure-of-a-large-patent-ductus-arteriosus-in-a-premature-infant
#11
Ahmed Kheiwa, Robert D Ross, Daisuke Kobayashi
We report a critically ill premature infant with severe mitral valve regurgitation associated with pulmonary hypertension and a severely dilated left atrium from a large patent ductus arteriosus. The mitral valve regurgitation improved significantly with normalisation of left atrial size 4 weeks after percutaneous closure of the patent ductus arteriosus. This case highlights the potential reversibility of severe mitral valve regurgitation with treatment of an underlying cardiac shunt.
January 2017: Cardiology in the Young
https://www.readbyqxmd.com/read/28268081/prognostic-value-of-left-atrial-size-and-function-in-adults-with-tetralogy-of-fallot
#12
Vivan J M Baggen, Anne-Rose W Schut, Judith A A E Cuypers, Maarten Witsenburg, Eric Boersma, Annemien E van den Bosch, Jolien W Roos-Hesselink
BACKGROUND: Left atrial (LA) size predicts cardiovascular outcome in chronic heart failure. Its prognostic value in adults with repaired tetralogy of Fallot (ToF) is unknown. This study therefore investigated the association of LA size and function with cardiovascular events in adults with ToF. METHODS: Clinically stable adults with ToF who visited the outpatient clinic between 2011 and 2013 underwent echocardiography and were prospectively followed for the occurrence of death, heart failure, hospitalizations, arrhythmia, thromboembolic events, and re-interventions...
March 3, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28258679/-predictive-parameters-of-occurrence-of-adequate-interventions-in-patients-with-implanted-cardioverter-defibrillators-with-or-without-resynchronisation-therapy-in-primary-prevention-of-sudden-cardiac-death-in-dilated-cardiomyopathy
#13
Jacek Lelakowski, Anna Rydlewska, Maria Lelakowska, Joanna Pudło, Justyna Piekarz
The task of the ICD is to detect ventricular arrhythmias and treatment of its adequate intervention. The task of the CRTD in addition to the above tasks is the treatment of heart failure. AIM: The aim of the study was to assess the predictive parameters of adequate interventions in patients with an ICD and CRTD. MATERIALS AND METHODS: The study consisted of 273 patients (230 M, mean age 65±11 years) with ICD and/or CRTD. The inclusion criteria were: left ventricle ejection fraction (LVEF) ≤ 35%, NYHA class ≥ II, implantation in primary SCD prevention and in case of CRTD additionally LBBB with wide QRS ≥ 120ms...
February 20, 2017: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28247527/association-of-left-atrial-enlargement-with-ventricular-remodeling-in-hypertensive-chinese-elderly
#14
Jing Peng, Jari A Laukkanen, Qianping Zhao, Liping Wang, Xu Zhang, Gang Li
BACKGROUND: It is not well known whether left atrial (LA) enlargement is associated with left ventricular (LV) remodeling in Asian subjects with preserved LV ejection fraction (LVEF ≥50%). Therefore, we studied whether LA enlargement is related to ventricular remodeling in hypertensive Chinese elderly with preserved LVEF. METHODS: Data of 480 hypertensive Chinese elderly (age from 65 to 94 years) with LVEF ≥50% were consecutively included in the study. RESULTS: We observed a total of 248 patients (51...
March 1, 2017: Echocardiography
https://www.readbyqxmd.com/read/28247428/predictors-and-prognostic-significance-of-atrial-fibrillation-developed-during-dobutamine-stress-echocardiography-a%C3%A2-propensity-score-matched-comparison
#15
Yuba Acharya, Sahil Agrawal, Junu Bhattarai, Vlad Cotarlan, Jamshid Shirani
AIMS: Atrial fibrillation (AF) uncommonly occurs during dobutamine stress echocardiography (DSE). We aimed to characterize the predictors and long-term prognostic significance of AF during DSE. METHODS: The clinical, echocardiographic, and outcome data of patients in sinus rhythm who developed AF during DSE were reviewed and compared to a propensity score-matched group of controls. RESULTS: Atrial fibrillation developed in 73 (1% of 7026) patients (age 70±10 years, 58% men)...
March 2017: Echocardiography
https://www.readbyqxmd.com/read/28242246/the-value-of-the-score-for-the-targeting-of-atrial-fibrillation-staf-screening-in-acute-stroke-patients
#16
Xiao-Yan Liu, Yong-Xin Li, Yao-Gao Fu, Ye-Yan Cai, Yu-Sheng Zhang, Jiang-Yong Min, An-Ding Xu
BACKGROUND AND PURPOSE: Recently, the score for the targeting of atrial fibrillation (STAF) was introduced to identify the risk of atrial fibrillation (AF) in stroke patients. In this study, we aim to evaluate the usefulness of the STAF score for AF screening in acute stroke patients. METHODS: Patients with acute ischemic stroke who were admitted to our stroke unit were prospectively enrolled from March 2011 to March 2013. Baseline National Institutes of Health Stroke Scale (NIHSS), left atrial dilatation, and vascular etiology were assessed to calculate the STAF score...
February 24, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28212578/interleukin-1%C3%AE-levels-predict-long-term-mortality-and-need-for-heart-transplantation-in-ambulatory-patients-affected-by-idiopathic-dilated-cardiomyopathy
#17
Aneta Aleksova, Antonio Paolo Beltrami, Cosimo Carriere, Giulia Barbati, Pierluigi Lesizza, Martina Perrieri-Montanino, Miriam Isola, Piero Gentile, Elisabetta Salvioni, Tarcisio Not, Piergiuseppe Agostoni, Gianfranco Sinagra
AIMS: The prognostic stratification of patients with Idiopathic Dilated Cardiomyopathy (iDCM) is a difficult task. Here, we assessed the additive value of the evaluation of biomarkers of inflammasome activation and systemic inflammation for the long-term risk stratification of iDCM patients. METHODS AND RESULTS: We studied 156 ambulatory iDCM patients (mean age 58 years, 77% men, 79% in NYHA class 1-2, median Left Ventricular Ejection Fraction (LVEF) 35%, mean sodium 139 mEq/L, median BNP 189 pg/mL, median IL-1 beta (IL-1β) 1...
February 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28202256/transseptal-puncture-review-of-anatomy-techniques-complications-and-challenges
#18
REVIEW
Barry O'Brien, Haroon Zafar, Simon De Freitas, Faisal Sharif
In recent years, the transseptal puncture approach has enabled passage of increasingly large and complex devices into the left atrium. Traditional tools remain effective in creating and dilating the initial puncture, with an acceptable safety profile. Even for skilled operators, the procedure is technically demanding and requires sound understanding of atrial anatomy. Intracardiac echocardiography is useful in cases of previous septal repair, poorly defined fossa ovalis anatomy or when considering patent foramen ovale portal crossing...
April 15, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28188213/non-invasive-stratification-of-postinfarction-rats-based-on-degree-of-cardiac-dysfunction-using-magnetic-resonance-imaging-and-echocardiography
#19
Jan Magnus Aronsen, Emil Knut Stenersen Espe, Kristine Skårdal, Almira Hasic, Lili Zhang, Ivar Sjaastad
The myocardial infarction (MI) rat model plays a crucial role in modern cardiovascular research, but the inherent heterogeneity of this model represents a challenge. We sought to identify subgroups among the post-MI rats, and establish simple non-invasive stratification protocols for such subgroups. Six weeks after induction of MI, 49 rats underwent non-invasive examinations using magnetic resonance imaging (MRI) and echocardiography. 12 sham-operated rats served as controls. Increased end-diastolic left ventricular (LV) pressure and lung weight served as indicators for congestive heart failure (CHF)...
February 10, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/28171858/exome-sequencing-identifies-a-novel-des-mutation-r227c-in-a-chinese-dilated-cardiomyopathy-family
#20
Rong Yu, Lv Liu, Chan Chen, Jin-Mei Shen
OBJECTIVES: Dilated cardiomyopathy (DCM) is a common disease in the clinic, and it is the leading cause of heart failure and sudden cardiac death. Previous studies have proven that genetic factors play a crucial role in the occurrence of DCM; more than 50 disease genes including desmin (DES) have been identified to be associated with DCM. At present, most DES mutations are reported in desmin-related myofibrilla myopathy patients, but variants leading to isolated DCM are rarely reported...
February 8, 2017: Cardiology
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