?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Short-term+Heart+Rate+Turbulence+Analysis+Versus+Variability+and+Baroreceptor+Sensitivity+in+Patients+With+Dilated+Cardiomyopathy%0A&rft.creator=Malberg%2C+Hagen&rft.creator=Bauernschmitt%2C+Robert&rft.creator=Meyerfeldt%2C+Udo&rft.creator=Schirdewan%2C+Alexander&rft.creator=Wessel%2C+Niels&rft.subject=Indian+Pacing+and+Electrophysiology+Journal&rft.description=New+methods+for+the+analysis+of+arrhythmias+and+their+hemodynamic+consequences+have+been+applied+in+risk+stratification%2C+in+particular+to+patients+after+myocardial+infarction.+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+the+regulatory+differences+between+patients+with+dilated+cardiomyopathy+(DCM)+and+healthy+controls.+In+this+study%2C+30+minutes+data+of+non-invasive+continuous+blood+pressure+and+ECGs+of+37+DCM+patients+and+167+controls+measured+under+standard+resting+conditions+were+analysed.+The+results+show+highly+significant+differences+between+DCM+patients+and+controls+in+heart+rate+and+blood+pressure+variability+as+well+as+in+baroreceptor+sensitivity+parameters.+Applying+a+combined+heart+rate-blood+pressure+trigger%2C+ventricular+premature+beats+were+detected+in+24.3%25+(9)+of+the+DCM+patients+and+11.3%25+(19)+of+the+controls.+This+fact+demonstrates+the+limited+applicability+of+short-term+HRT+analyses.+However%2C+the+HRT+parameters+showed+significant+differences+in+this+subgroup+with+ventricular+premature+beats+(turbulence+onset%3A+DCM%3A+1.80%C2%B12.72%2C+controls%3A+-+4.34%C2%B13.10%2C+p%3C0.001%3B+turbulence+slope%3A+DCM%3A+6.75%C2%B15.50%2C+controls%3A+21.30%C2%B117.72%2C+p%3D0.021).+Considering+all+(including+HRT)+parameters+in+the+subgroup+with+ventricular+beats%2C+a+discrimination+rate+between+DCM+patients+and+controls+of+88.0%25+was+obtained+(max.+6+parameters).+The+corresponding+value+obtained+for+the+total+group+was+86.3%25+(without+HRT+parameters).+Comparable+classification+rates+and+high+correlations+between+heart+rate+turbulence+and+variability+and+baroreflex+parameters+point+to+a+more+universal+applicability+of+the+latter+methods.%0A&rft.publisher=Indian+Pacing+and+Electrophysiology+Group&rft.contributor=Singh%2C+Balbir&rft.contributor=Lokhandwala%2C+Yash&rft.contributor=Francis%2C+Johnson&rft.contributor=Gupta%2C+Anup&rft.date=2004-10&rft.type=Journal+(Paginated)&rft.type=PeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Fcogprints.org%2F4180%2F1%2Fmalberg.pdf&rft.identifier=++Malberg%2C+Hagen+and+Bauernschmitt%2C+Robert+and+Meyerfeldt%2C+Udo+and+Schirdewan%2C+Alexander+and+Wessel%2C+Niels++(2004)+Short-term+Heart+Rate+Turbulence+Analysis+Versus+Variability+and+Baroreceptor+Sensitivity+in+Patients+With+Dilated+Cardiomyopathy.++%5BJournal+(Paginated)%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F4180%2F