Filters








615 Hits in 5.9 sec

Short-term heart rate turbulence analysis versus variability and baroreceptor sensitivity in patients with dilated cardiomyopathy

Hagen Malberg, Robert Bauernschmitt, Udo Meyerfeldt, Alexander Schirdewan, Niels Wessel
2004 Indian Pacing and Electrophysiology Journal  
the regulatory differences between patients with dilated cardiomyopathy (DCM) and healthy controls.  ...  This study investigates the suitability of short-term heart rate turbulence (HRT) analysis in comparison to heart rate and blood pressure variability as well as baroreceptor sensitivity analyses to characterise  ...  Niels Wess, "Short-term Heart Rate Turbulence Analysis Versus Variability and Baroreceptor Sensitivity in Patients With Dilated Cardiomyopathy" Table 3 : Differences of the heart rate turbulence and  ... 
pmid:16943930 pmcid:PMC1540702 fatcat:srudm62cufgdrdsmw5flowjg54

Risk stratification for arrhythmic events in patients with nonischemic dilated cardiomyopathy and nonsustained ventricular tachycardia: Role of programmed ventricular stimulation and the signal-averaged electrocardiogram

Gioia Turitto, Ratan K. Ahuja, Edward B. Caref, Nabil El-Sherif
1994 Journal of the American College of Cardiology  
Risk stratification in patients with oonbchrmic dilated mrdiimyopatby remains mntmwrrial.  ...  This smty bwestignted pmdierion of orrhythmic e"wd.s by the sig"st-avemgcd okctmrardiograln WG, and pmgralowd stimutatioo in patieos with nunisrhcmir d&ted cap dlomyopathy. .'b&wmd.  ...  We pmpectively performed signal-averaged electmcardiagraphy and programmed ventricuku stimulation in W patients with nonisshcmic dilated cardiomyopathy and spontaneous nonstntained ventricular tachycardia  ... 
doi:10.1016/0735-1097(94)90149-x pmid:7930285 fatcat:a56kpsrzsbcj7b7a3iojsvfnfa

Prognostic value of Holter monitoring in congestive heart failure

Iwona Cygankiewicz, Wojciech Zareba, Antoni Bayes de Luna
2008 Cardiology Journal  
The present article reviews the literature data on the prognostic role of various Holter-based ECG parameters, with special emphasis to dynamic ECG risk markers--heart rate variability, heart rate turbulence  ...  Despite advancement in modern treatment, mortality rate in CHF patients remains high.  ...  Similarly, in a study of Baker and Koeling based on 355 patients with dilated cardiomyopathy not only mean heart rate but also the heart rate range during Holter monitoring were predictive of mortality  ... 
pmid:18698539 fatcat:25qv3ylfdzgzzlgx3yz5gnguzy

Alterations of Heart Rate Variability and Heart Rate Turbulence in Patients with Dilated Alcoholic and Non-alcoholic Cardiomyopathy

2020 Revista de chimie (Bucuresti)  
The aim of this study is to document the imbalance of the autonomic nervous system (ANS), expressed by heart rate variability (HRV) and heart rate turbulence (HRT), in patients with alcoholic cardiomyopathy  ...  We studied HRV, in time and frequency domain, and HRT in 58 patients newly diagnosed with dilated cardiomyopathy (DCM), admitted between Mar 2015 and Dec 2017 for arrhythmias and/or acute congestive heart  ...  These alterations of the ANS can be documented by alterations of heart rate variability (HRV) and heart rate turbulence (HRT), aspects debated in several studies [11, 12] .  ... 
doi:10.37358/rc.19.12.7748 fatcat:adargt3at5hedaiwtvf2l52ch4

Heart rate turbulence

Axel Bauer, Georg Schmidt
2003 Journal of Electrocardiology  
Heart rate turbulence (HRT) is a relatively new but already well-established non-invasive ECG risk predictor.  ...  Further studies are needed to establish the need for correlation with heart rate, number of ventricular premature beats, heart rate variability parameters or clinical covariates in the process of risk  ...  Similarly, other values might be used in patients with non-ischaemic dilated cardiomyopathy or hypertrophic cardiomyopathy.  ... 
doi:10.1016/j.jelectrocard.2003.09.020 pmid:14716598 fatcat:cvcuk4awhvewrnhrmzxd6g6wmm

Diagnostic tests to predict outcome in patients with implantable cardioverter defibrillators: it is not that simple!

A. H. Maass
2014 Netherlands Heart Journal  
Genetics are currently used to confirm the diagnosis in familial heart diseases such as hypertrophic and dilated cardiomyopathy.  ...  In dilated cardiomyopathy, common mutations in Dutch patients have malignant phenotypes such as lamin A/C and phospholamban.  ...  Several parameters of the electrocardiogram have been used to predict risk: resting heart rate, heart rate recovery, heart rate variability or turbulence, QT dispersion or microvolt T wave alternans (MTWA  ... 
doi:10.1007/s12471-014-0597-x pmid:25187014 pmcid:PMC4188838 fatcat:bvxw6uh4cjh5xi5ohi5jd3umke

Update on Ventricular Tachyarrhythmias and Related Sudden Cardiac Death

Johnson Francis, Narayanan Namboodiri
2014 Indian Pacing and Electrophysiology Journal  
They found that the tests of autonomic variability like heart rate variability, heart rate turbulence and baroreflex sensitivity were unable to predict arrhythmic outcomes to a significant extent.  ...  dilated cardiomyopathy.  ... 
doi:10.1016/s0972-6292(16)30825-7 pmid:25609904 pmcid:PMC4286959 fatcat:lmo4pykzjvfexck53eg7ibstlm

P1592Pacemaker clocks become uncoupled to cause asystole: heart's endgame

OJ. Monfredi, K. Tsutsui, S. Sirenko, LA. Maltseva, R. Byshkov, MS. Kim, BD. Ziman, K. Tarasov, M. Wang, AV. Maltsev, J. Brennan, MD. Stern (+3 others)
2017 Europace  
Conclusion: The APD abbreviation and SVAs at the early phase of GI in hypertrophied hearts were mainly mediated by SK channel opening via the CaMKII activation.  ...  Time-dependent increase in p-CaMKII during GI was observed only in WKY rats. Among three isoforms (SK1, SK2, and SK3), SK2 channel protein was coprecipitated with p-CaMKII.  ...  of HCM patients with known mutation (HCM-G-).  ... 
doi:10.1093/ehjci/eux158.218 fatcat:rlkdxpk2bravvnx3polcoifnn4

117 "Heart rate turbulence" after short periods of spontaneous, non-sustained ventricular tachycardia and its relation with heart rate variability indexes

2005 Europace  
Of interest was the finding that HRT and HRV values of Group IV patients (ICD) were not significantly different from any of the other groups, with mean values similar to those observed in Group II (NSVT  ...  Cut-off values for HRT were Turbulence Onset (TO) <0% and Turbulence Slope (TS) >2.5 msec/RR-i. Results: no significant difference in mean age, gender and SDNN values was observed.  ...  The underlying heart disease was coronary artery in 14, dilated cardiomyopathy in 13 and 2 had an apparently normal heart.  ... 
doi:10.1016/eupace/7.supplement_1.60 fatcat:7uviery5hja5rh5iihdyadgi44

Risk stratification in nonischemic dilated cardiomyopathy: Current perspectives

Sercan Okutucu, Ali Oto
2010 Cardiology Journal  
ventricular stimulation, QRS duration, QT interval dispersion, QT interval dynamicity, signal-averaged ECG, heart rate variability, heart rate turbulence, baroreflex sensitivity, heart rate recovery,  ...  A number of diagnostic methods have been used for risk stratification of patients with nonischemic dilated cardiomyopathy, including presence of syncope, ambulatory electrocardiographic monitoring, programmed  ...  [54] also showed that reduced heart rate variability had independent predictive value for death from progressive HF in a cohort of 64 patients with dilated cardiomyopathy.  ... 
pmid:20535711 fatcat:fq5smllekvbeho6fetg4tggkou

Sudden Cardiac Death [chapter]

Prabhat Kumar, J Paul
2013 Cardiomyopathies  
They include ischemic heart disease, hypertension, valvular heart disease, and myocardial involvement with conditions like sarcoidosis, amyloidosis.  ...  Absolute numbers of events and event rates of SCD in the general population and in specific subpopulations over 1 y.  ...  Parameters of QT dynamicity and QRS fragmentation may be useful in risk stratification of SCD. [122], [123] SAECG, heart rate variability, heart rate turbulence, heart rate recovery, baroreflex sensitivity  ... 
doi:10.5772/55636 fatcat:aympgrn2rvbqffklhvcgodfmwu

Risk stratification for sudden cardiac death in patients with non-ischemic dilated cardiomyopathy

Karthik Shekha, Joydeep Ghosh, Deepak Thekkoott, Yisachar Greenberg
2005 Indian Pacing and Electrophysiology Journal  
Manifestations of this disorder are in many ways similar to its counterpart, ischemic dilated cardiomyopathy (IDCM).  ...  Non ischemic dilated cardiomyopathy (NIDCM) is a disorder of myocardium. It has varying etiologies.  ...  Heart Rate Turbulence Heart rate turbulence is an emerging risk profiling method in patients with heart disease [63] [64] [65] .  ... 
pmid:16943952 pmcid:PMC1502083 fatcat:nvraffi55bdo7lsvzewamamocu

American Heart Association/American College of Cardiology Foundation/Heart Rhythm Society Scientific Statement on Noninvasive Risk Stratification Techniques for Identifying Patients at Risk for Sudden Cardiac Death

Jeffrey J. Goldberger, Michael E. Cain, Stefan H. Hohnloser, Alan H. Kadish, Bradley P. Knight, Michael S. Lauer, Barry J. Maron, Richard L. Page, Rod S. Passman, David Siscovick, William G. Stevenson, Douglas P. Zipes
2008 Heart Rhythm  
In the Marburg Cardiomyopathy Study of 242 patients with nonischemic dilated cardiomyopathy (155) , heart rate turbulence onset was a multivariate predictor of transplant-free survival (relative risk  ...  There are no substantive data in patients with dilated cardiomyopathy.  ... 
doi:10.1016/j.hrthm.2008.05.031 pmid:18929319 fatcat:4gjxf65k75hsxhikpjtziq66ry

American Heart Association/American College of Cardiology Foundation/Heart Rhythm Society Scientific Statement on Noninvasive Risk Stratification Techniques for Identifying Patients at Risk for Sudden Cardiac Death

Jeffrey J. Goldberger, Michael E. Cain, Stefan H. Hohnloser, Alan H. Kadish, Bradley P. Knight, Michael S. Lauer, Barry J. Maron, Richard L. Page, Rod S. Passman, David Siscovick, William G. Stevenson, Douglas P. Zipes
2008 Journal of the American College of Cardiology  
In the Marburg Cardiomyopathy Study of 242 patients with nonischemic dilated cardiomyopathy (155) , heart rate turbulence onset was a multivariate predictor of transplant-free survival (relative risk  ...  There are no substantive data in patients with dilated cardiomyopathy.  ... 
doi:10.1016/j.jacc.2008.05.003 pmid:18804749 fatcat:4ytmv6r6pfa5rf6mb3qtupi6tm

Heart rate turbulence and left ventricular ejection fraction in Chagas disease

F TUNDO, F LOMBARDI, M ROCHA, F BOTONI, G SCHMIDT, V BARROS, B MUZZI, M GOMES, A PINTO, A RIBEIRO
2005 Europace  
Methods We studied 30 patients (47 G 11 years, 20 men) with Chagas cardiomyopathy and left ventricular dilatation who underwent clinical evaluation, ejection fraction (EF: 45 G 14%) determination and 24  ...  KEYWORDS Chagas disease; heart rate variability; heart rate turbulence; left ventricular dysfunction; vagal control; autonomic nervous system Abstract Aims Chagas disease patients often present premature  ...  Heart rate turbulence (HRT) is a new method [11] for risk stratification that is based on the analysis of spontaneous changes in heart rate that occur after premature ventricular complexes (PVCs).  ... 
doi:10.1016/j.eupc.2005.02.114 pmid:15878555 fatcat:dx34pl7zbfc6bpluet3pqckwri
« Previous Showing results 1 — 15 out of 615 results