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https://www.readbyqxmd.com/read/29164753/prevalence-of-left-ventricular-systolic-dysfunction-in-pre-dialysis-and-dialysis-patients-with-preserved-left-ventricular-ejection-fraction
#1
Liselotte C R Hensen, Kathleen Goossens, Victoria Delgado, Rachid Abou, Joris I Rotmans, J Wouter Jukema, Jeroen J Bax
AIMS: Patients with chronic kidney disease (CKD) have an excess of cardiovascular morbidity and mortality, with heart failure (HF) being particularly frequent. Reduced left ventricular ejection fraction (LVEF) defines left ventricular (LV) systolic dysfunction and is associated with poor prognosis. However, CKD patients may have HF symptoms with preserved LVEF. In this subgroup of patients, two-dimensional speckle tracking echocardiography can detect LV systolic dysfunction by analysing LV myocardial deformation...
November 21, 2017: European Journal of Heart Failure
https://www.readbyqxmd.com/read/29164685/vastus-intermedius-versus-vastus-lateralis-fascicle-behaviors-during-maximal-concentric-and-eccentric-contractions
#2
Ryosuke Ando, Kazunori Nosaka, Aya Tomita, Kohei Watanabe, Anthony J Blazevich, Hiroshi Akima
Vastus intermedius (VI) plays a major role in knee extension, but its fascicle behaviors during dynamic contractions are not well understood. The present study aimed to compare VI and vastus lateralis (VL) fascicle behaviors during singular maximal concentric and eccentric contractions. Thirteen men (27.1 ± 3.4 y) performed maximal isokinetic concentric contractions through knee joint angles of 105° to 35° (0° = full extension) and eccentric contractions from 35° to 105° at an angular velocity of 30°/s...
November 22, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/29162223/effects-of-pectus-excavatum-repair-on-right-and-left-ventricular-strain
#3
Chieh-Ju Chao, Dawn Jaroszewski, Michael Gotway, MennatAllah Ewais, Susan Wilansky, Steven Lester, Samuel Unzek, Christopher P Appleton, Hari P Chaliki, Brantley D Gaitan, Farouk Mookadam, Tasneem Z Naqvi
BACKGROUND: The cardiopulmonary benefits of pectus excavatum repair have been debated. Echocardiographic speckle-tracking strain and strain rate have been used to evaluate and detect subclinical myocardial dysfunction in patients receiving cardiotoxic chemotherapy, and patients with valvular heart disease. This technology was applied to evaluate the effects of pectus excavatum surgery on left ventricular (LV) and right ventricular (RV) function. METHODS: Speckle tracing strain evaluation was performed on intraoperative transesophageal echocardiographic images acquired immediately before and after Nuss repair in adult patients (aged 18 years or more) from 2011 to 2014...
November 18, 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29155955/changes-in-sleep-difficulties-during-the-transition-to-statutory-retirement
#4
Saana Myllyntausta, Paula Salo, Erkki Kronholm, Jaana Pentti, Mika Kivimäki, Jussi Vahtera, Sari Stenholm
Objectives: This study examined changes in sleep during the transition from full-time work to statutory retirement. Both the prevalence of any sleep difficulty and the prevalence of specific sleep difficulties, such as difficulties falling asleep, difficulties maintaining sleep, waking up too early in the morning and nonrestorative sleep, were examined. Methods: Data from the Finnish Public Sector study were used. The study population consisted of 5,807 Finnish public sector employees who retired on statutory basis between 2000-2011...
November 16, 2017: Sleep
https://www.readbyqxmd.com/read/29154431/association-between-electrocardiographic-and-echocardiographic-markers-of-stage-b-heart-failure-and-cardiovascular-outcome
#5
Hong Yang, Thomas H Marwick, Ying Wang, Mark Nolan, Kazuaki Negishi, Faisal Khan, Peter M Okin
AIMS: The detection of non-ischaemic (mainly hypertension, diabetes, and obesity) stage B heart failure (SBHF) may facilitate the recognition of those at risk of progression to overt HF and HF prevention. We sought the relationship of specific electrocardiographic (ECG) markers of SBHF to echocardiographic features of SBHF and their prognostic value for development of HF. The ECG markers were Cornell product (Cornell-P), P-wave terminal force in lead V1 (PTFV1), ST depression in lead V5 V6 (minSTmV5V6), and increased heart rate...
November 2017: ESC Heart Failure
https://www.readbyqxmd.com/read/29154430/lower-than-expected-burden-of-premature-ventricular-contractions-impairs-myocardial-function
#6
Øyvind H Lie, Jørg Saberniak, Lars A Dejgaard, Mathis K Stokke, Finn Hegbom, Ole-Gunnar Anfinsen, Thor Edvardsen, Kristina H Haugaa
AIMS: We aimed to explore the burden of frequent premature ventricular contractions (PVCs) associated with myocardial dysfunction in patients with outflow tract arrhythmia (OTA). We hypothesized that this threshold is lower than the previously suggested threshold of 24 000 PVCs/24 h (24%PVC) when systolic function is assessed by strain echocardiography. Furthermore, we aimed to characterize OTA patients with malignant arrhythmic events. METHODS AND RESULTS: We included 52 patients referred for OTA ablation (46 ± 12 years, 58% female)...
November 2017: ESC Heart Failure
https://www.readbyqxmd.com/read/29154416/left-ventricular-global-longitudinal-strain-in-patients-with-heart-failure-with-preserved-ejection-fraction-outcomes-following-an-acute-heart-failure-hospitalization
#7
Jonathan Buggey, Fawaz Alenezi, Hyun Ju Yoon, Matthew Phelan, Adam D DeVore, Michel G Khouri, Phillip J Schulte, Eric J Velazquez
AIMS: While abnormal resting LV GLS has been described in patients with chronic heart failure with preserved ejection fraction (HFpEF), its prognostic significance when measured during an acute heart failure hospitalization remains unclear. We assessed the association between left ventricular global longitudinal strain (LV GLS) and outcomes in patients hospitalized with acute HFpEF. METHODS AND RESULTS: We studied patients discharged alive for acute HFpEF from Duke University Medical Center between 2007 and 2010...
November 2017: ESC Heart Failure
https://www.readbyqxmd.com/read/29153741/left-atrial-function-in-patients-with-light-chain-amyloidosis-a-transthoracic-3d-speckle-tracking-imaging-study
#8
Dania Mohty, Vincent Petitalot, Julien Magne, Bahaa M Fadel, Cyrille Boulogne, Dounia Rouabhia, Chahrazed ElHamel, David Lavergne, Thibaud Damy, Victor Aboyans, Arnaud Jaccard
BACKGROUND: Systemic light chain amyloidosis (AL) is characterized by the extracellular deposition of amyloid fibrils. Transthoracic echocardiography is the modality of choice to assess cardiac function in patients with AL. Whereas left ventricular (LV) function has been well studied in this patient population, data regarding the value of left atrial (LA) function in AL patients are lacking. In this study, we aim to examine the impact of LA volumes and function on survival in AL patients as assessed by real-time 3D echocardiography...
November 16, 2017: Journal of Cardiology
https://www.readbyqxmd.com/read/29153577/2d-and-3d-echocardiography-derived-indices-of-left-ventricular-function-and%C3%A2-shape-relationship-with-mortality
#9
Diego Medvedofsky, Francesco Maffessanti, Lynn Weinert, David M Tehrani, Akhil Narang, Karima Addetia, Anuj Mediratta, Stephanie A Besser, Elad Maor, Amit R Patel, Kirk T Spencer, Victor Mor-Avi, Roberto M Lang
OBJECTIVES: This study hypothesized that left ventricular (LV) ejection fraction (EF) and global longitudinal strain (GLS) derived from 3-dimensional echocardiographic (3DE) images would better predict mortality than those obtained by 2-dimensional echocardiographic (2DE) measurements, and that 3DE-based LV shape analysis may have added prognostic value. BACKGROUND: Previous studies have shown that both LVEF and GLS derived from 2DE images predict mortality. Recently, 3DE measurements of these parameters were found to be more accurate and reproducible because of independence of imaging plane and geometric assumptions...
November 10, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/29153571/association-of-abnormal-left-ventricular-functional-reserve-with-outcome-in-heart-failure-with-preserved-ejection-fraction
#10
Wojciech Kosmala, Monika Przewlocka-Kosmala, Aleksandra Rojek, Andrzej Mysiak, Andrzej Dabrowski, Thomas H Marwick
OBJECTIVES: This study sought to determine the prognostic value of abnormal diastolic and systolic responses to exercise (on the basis of exertional E/e' and global longitudinal strain rate [GSR]) in a well-characterized population of patients with heart failure with preserved ejection fraction (HFpEF). BACKGROUND: Impaired cardiovascular functional reserve is believed to contribute to adverse outcomes in HFpEF. However, the exact characteristics of pathophysiological profiles associated with increased clinical risk are still poorly defined...
November 10, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/29153563/surrogate-survival-battle-between-left-ventricular-ejection-fraction-and-global-longitudinal-strain
#11
EDITORIAL
Gillian A Whalley
No abstract text is available yet for this article.
November 10, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/29151479/a-case-of-loeffler-endocarditis-that-showed-endomyocardial-systolic-dysfunction-detected-by-layer-specific-strain-analysis
#12
Xuanyi Jin, Chunyan Ma, Yonghuai Wang, Jun Yang
Loeffler endocarditis is a rare comprehensive cardiac manifestation caused by eosinophilic cell infiltrations and is present in 50%-60% of patients with hypereosinophilic syndrome (HES). Left ventricle (LV) endocardial systolic dysfunction is a major cause of morbidity and mortality in HES and Loeffler endocarditis. We present a case of Loeffler endocarditis, whose left ventricular (LV) systolic dysfunction and endocardial systolic dysfunction were first neglected by conventional transthoracic echocardiography (TTE), but were later pointed out by layer-specific longitudinal strain analysis...
November 17, 2017: International Heart Journal
https://www.readbyqxmd.com/read/29151290/-early-detection-of-the-cardiotoxicity-induced-by-chemotherapy-drug-through-two-dimensional-speckle-tracking-echocardiography-combined-with-high-sensitive-cardiac-troponin-t
#13
W Wang, Y Kang, X H Shu, X D Shen, B He
Objective: To investigate the clinical value of two-dimensional speckle tracking echocardiography(2D-STE) combined with high-sensitive cardiac troponin T (hs-cTnT) in early detection of the cardiotoxicity induced by chemotherapy drug. Methods: Seventy-five non-Hodgkin's lymphoma patients who received the CHOP regimen were recruited in this study. Conventional echocardiography and 2D-STE were performed on these patients before chemotherapy, the second day after the third course of chemotherapy (during chemotherapy) and the second day after the last course of chemotherapy (after chemotherapy)...
November 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/29150155/the-association-of-functional-capacity-with-right-atrial-deformation-in-patients-with-pulmonary-arterial-hypertension-a-study-with-two-dimensional-speckle-tracking
#14
Weiwei Liu, Yueheng Wang, Jinling Zhou, Hui Bai, Feng Wang, Ju Wang
BACKGROUND: The purpose of this study was to assess right atrial (RA) myocardial mechanics in pulmonary hypertension (PH) patients using two-dimensional speckle tracking (2D-STE), and define the relationship between RA function and exercise capacity in PH patients. METHODS: Thirty-eight consecutive PH patients were studied and compared with a control group of 25 healthy volunteers. Peak atrial longitudinal strain (PALS), RA strain rate were measured in all subjects...
April 13, 2017: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/29149242/long-term-carriage-of-extended-spectrum-%C3%AE-lactamase-producing-escherichia-coli-and-klebsiella-pneumoniae-in-the-general-population-in-the-netherlands
#15
Engeline van Duijkeren, Cornelia C H Wielders, Cindy M Dierikx, Angela H A M van Hoek, Paul Hengeveld, Christiaan Veenman, Alice Florijn, Aniek Lotterman, Lidwien A M Smit, Jaap T van Dissel, Catharina B M Maassen, Sabine C de Greeff
Background: This longitudinal study aimed to investigate (risk factors for) persistence of carriage and molecular characteristics of extended-spectrum and pAmpC β-lactamase-producing (ESBL/pAmpC) Escherichia coli and Klebsiella pneumoniae (ESBL-E/K) in adults in the Dutch community. Methods: Following a cross-sectional study (ESBL-E/K prevalence 4.5%), a subset of ESBL-E/K positive (n=76) and negative (n=249) individuals volunteered to provide five monthly faecal samples and questionnaires...
November 15, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29146482/impaired-left-atrial-strain-as-a-predictor-of-new-onset-atrial-fibrillation-after-aortic-valve-replacement-independently-of-left-atrial-size
#16
Guilherme Pessoa-Amorim, Jennifer Mancio, Luís Vouga, José Ribeiro, Vasco Gama, Nuno Bettencourt, Ricardo Fontes-Carvalho
INTRODUCTION AND OBJECTIVES: Left atrial dysfunction in aortic stenosis may precede atrial enlargement and predict the occurrence of atrial fibrillation (AF). To test this hypothesis, we assessed left atrial function and determined its impact on the incidence of AF after aortic valve replacement. METHODS: A total of 149 severe aortic stenosis patients (74±8.6 years, 51% men) with no prior AF were assessed using speckle-tracking echocardiography. Left atrial function was evaluated using peak atrial longitudinal strain (PALS), peak atrial contraction strain (PACS), and phasic left atrial volumes...
November 13, 2017: Revista Española de Cardiología
https://www.readbyqxmd.com/read/29146481/central-obesity-is-the-key-component-in-the-association-of-metabolic-syndrome-with-left-ventricular-global-longitudinal-strain-impairment
#17
Wilson Cañon-Montañez, Angela B S Santos, Lisandra A Nunes, Julio C G Pires, Claudia M V Freire, Antonio L P Ribeiro, José G Mill, Marina Bessel, Bruce B Duncan, Maria Inês Schmidt, Murilo Foppa
INTRODUCTION AND OBJECTIVES: Subclinical systolic dysfunction is one of the proposed mechanisms for increased cardiovascular risk associated with metabolic syndrome (MS). This study investigated the association between MS and impaired left ventricular global longitudinal strain (GLS) and the role of each MS criteria in this association. METHODS: We analyzed a random sample of the Brazilian Longitudinal Study of Adult Health (ELSA-Brasil) after excluding participants with prevalent heart disease...
November 13, 2017: Revista Española de Cardiología
https://www.readbyqxmd.com/read/29145853/molecular-characterization-of-%C3%AE-lactamase-genes-in-clinical-isolates-of-carbapenem-resistant-acinetobacter-baumannii
#18
Kevin M Raible, Bhaswati Sen, Nancy Law, Tiffany E Bias, Christopher L Emery, Garth D Ehrlich, Suresh G Joshi
BACKGROUND: Acinetobacter baumannii is a nosocomial pathogen which is establishing as a major cause of morbidity and mortality within the healthcare community. The success of this pathogen is largely due to its ability to rapidly gain resistance to antimicrobial therapies and its capability to persist in an abiotic environment through the production of a biofilm. Our tertiary-care hospital has showed high incidence of carbapenem-resistant Acinetobacter baumannii (CRAB) isolates. METHODS: In this study we explore both genotypic and phenotypic properties of 26 CRAB isolates: 16 isolates were collected from January 2010 to March 2011, and 10 were collected between February and May 2015...
November 16, 2017: Annals of Clinical Microbiology and Antimicrobials
https://www.readbyqxmd.com/read/29145641/changes-in-global-longitudinal-strain-and-left-ventricular-ejection-fraction-during-the-first-year-after-myocardial-infarction-results-from-a-large-consecutive-cohort
#19
Tomasz Baron, Christina Christersson, Gustav Hjorthén, Eva-Maria Hedin, Frank A Flachskampf
Aims: To determine changes of global longitudinal strain (GLS) and their predictors in relation to classical echocardiographic parameters of left ventricular (LV) function, over 1 year, in consecutive patients with myocardial infarction (MI) and initially normal or impaired LV ejection fraction (EF). Methods and results: A total of 285 patients with MI prospectively included in the REBUS (RElevance of Biomarkers for future risk of thromb-oembolic events in UnSelected post-myocardial infarction patients) study underwent echocardiography within 72 h from admission and after 1 year...
November 13, 2017: European Heart Journal Cardiovascular Imaging
https://www.readbyqxmd.com/read/29144991/finite-element-simulation-on-posterior-tibial-tendinopathy-load-transfer-alteration-and-implications-to-the-onset-of-pes-planus
#20
Duo Wai-Chi Wong, Yan Wang, Aaron Kam-Lun Leung, Ming Yang, Ming Zhang
BACKGROUND: Posterior tibial tendinopathy is a challenging foot condition resulting in pes planus, which is difficult to diagnose in the early stage. Prior to the deformity, abnormal internal load transfer and soft tissue attenuation are anticipated. The objective of this study was to investigate the internal load transfer and strain of the ligaments with posterior tibial tendinopathy, and the implications to pes planus and other deformities. METHODS: A three-dimensional finite element model of the foot and ankle was reconstructed from magnetic resonance images of a 28-year-old normal female...
November 3, 2017: Clinical Biomechanics
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