Electrical remodelling post cardiac resynchronization therapy in patients with ischemic and non-ischemic heart failure

Background: The beneficial effects of cardiac resynchronization therapy (CRT) in heart failure are largely considered to be due to improved mechanical contractility. The contributory role of electrical remodelling is less clear. We sought to evaluate the impact of electrical remodelling in these pat...
Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Ajaero, Chukwudiebube N. [verfasserIn] Ganesan, Anand [verfasserIn] Horowitz, John D. [verfasserIn] McGavigan, Andrew D. [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2018

Schlagwörter:	Electrical remodelling Cardiac resynchronization therapy Intracardiac conduction time Intrinsic QRS duration Cardiopulmonary exercise testing Intracardiac electrocardiogram

Übergeordnetes Werk:	Enthalten in: Journal of electrocardiology - New York, NY : Elsevier, 1968, 53, Seite 44-51
Übergeordnetes Werk:	volume:53 ; pages:44-51

DOI / URN:	10.1016/j.jelectrocard.2018.12.001

Katalog-ID:	ELV002031450

Internformat


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100	1		\|a Ajaero, Chukwudiebube N. \|e verfasserin \|4 aut
245	1	0	\|a Electrical remodelling post cardiac resynchronization therapy in patients with ischemic and non-ischemic heart failure
264		1	\|c 2018
336			\|a nicht spezifiziert \|b zzz \|2 rdacontent
337			\|a Computermedien \|b c \|2 rdamedia
338			\|a Online-Ressource \|b cr \|2 rdacarrier
520			\|a Background: The beneficial effects of cardiac resynchronization therapy (CRT) in heart failure are largely considered to be due to improved mechanical contractility. The contributory role of electrical remodelling is less clear. We sought to evaluate the impact of electrical remodelling in these patients.Methods: 33 patients with conventional indications for CRT and with ischemic (ICM) (n = 17) and non-ischemic (NICM) (n = 16) aetiologies for heart failure were prospectively recruited. Functional parameters of peak exercise oxygen consumption (VO2max) and Minnesota quality of life (QOL) score, echocardiographic measures of LV functions and parameters of electrical remodelling, e.g. intrinsic QRS duration (iQRSD), intracardiac conduction times of LV pacing to RV electrocardiogram (LVp-RVegm), were measured at CRT implant and after 6 months.Results: Only two electrical parameters predicted functional or symptomatic improvement. LVp-RVegm reduction significantly correlated with improvement in VO2max (r = −0.42, p = 0.03 while reduction in iQRSD significantly correlated with improvement in QOL score (r = 0.39, p = 0.04). The extent of changes in LVp-RVegm and iQRSD was significantly greater in NICM than in ICM patients (p = 0.017 and p = 0.042 for heterogeneity). There was also significant differential impact on QOL score in the NICM relative to the ICM group (p = 0.003) but none with VO2max. On multivariate analysis, only non-ischemic aetiology was a significant determinant of reduction in iQRSD.Conclusion: CRT induces potentially beneficial reduction in LVp-RVegm and iQRSD, which are seen selectively in NICM rather than ICM patients. The extent of improvement in these markers is associated with some functional and symptomatic measures of CRT efficacy.
650		4	\|a Electrical remodelling
650		4	\|a Cardiac resynchronization therapy
650		4	\|a Intracardiac conduction time
650		4	\|a Intrinsic QRS duration
650		4	\|a Cardiopulmonary exercise testing
650		4	\|a Intracardiac electrocardiogram
700	1		\|a Ganesan, Anand \|e verfasserin \|4 aut
700	1		\|a Horowitz, John D. \|e verfasserin \|4 aut
700	1		\|a McGavigan, Andrew D. \|e verfasserin \|4 aut
773	0	8	\|i Enthalten in \|t Journal of electrocardiology \|d New York, NY : Elsevier, 1968 \|g 53, Seite 44-51 \|h Online-Ressource \|w (DE-627)330079174 \|w (DE-600)2048912-2 \|w (DE-576)264629167 \|x 1532-8430 \|7 nnns
773	1	8	\|g volume:53 \|g pages:44-51
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912			\|a GBV_ILN_2003
912			\|a GBV_ILN_2004
912			\|a GBV_ILN_2005
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912			\|a GBV_ILN_2020
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912			\|a GBV_ILN_2034
912			\|a GBV_ILN_2038
912			\|a GBV_ILN_2044
912			\|a GBV_ILN_2048
912			\|a GBV_ILN_2049
912			\|a GBV_ILN_2050
912			\|a GBV_ILN_2056
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912			\|a GBV_ILN_2061
912			\|a GBV_ILN_2064
912			\|a GBV_ILN_2065
912			\|a GBV_ILN_2068
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912			\|a GBV_ILN_4324
912			\|a GBV_ILN_4325
912			\|a GBV_ILN_4326
912			\|a GBV_ILN_4333
912			\|a GBV_ILN_4334
912			\|a GBV_ILN_4335
912			\|a GBV_ILN_4338
912			\|a GBV_ILN_4393
936	b	k	\|a 44.85 \|j Kardiologie \|j Angiologie
951			\|a AR
952			\|d 53 \|h 44-51

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hierarchy_sort_str	2018
bklnumber	44.85
publishDate	2018
allfields	10.1016/j.jelectrocard.2018.12.001 doi (DE-627)ELV002031450 (ELSEVIER)S0022-0736(18)30485-0 DE-627 ger DE-627 rda eng 610 DE-600 44.85 bkl Ajaero, Chukwudiebube N. verfasserin aut Electrical remodelling post cardiac resynchronization therapy in patients with ischemic and non-ischemic heart failure 2018 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background: The beneficial effects of cardiac resynchronization therapy (CRT) in heart failure are largely considered to be due to improved mechanical contractility. The contributory role of electrical remodelling is less clear. We sought to evaluate the impact of electrical remodelling in these patients.Methods: 33 patients with conventional indications for CRT and with ischemic (ICM) (n = 17) and non-ischemic (NICM) (n = 16) aetiologies for heart failure were prospectively recruited. Functional parameters of peak exercise oxygen consumption (VO2max) and Minnesota quality of life (QOL) score, echocardiographic measures of LV functions and parameters of electrical remodelling, e.g. intrinsic QRS duration (iQRSD), intracardiac conduction times of LV pacing to RV electrocardiogram (LVp-RVegm), were measured at CRT implant and after 6 months.Results: Only two electrical parameters predicted functional or symptomatic improvement. LVp-RVegm reduction significantly correlated with improvement in VO2max (r = −0.42, p = 0.03 while reduction in iQRSD significantly correlated with improvement in QOL score (r = 0.39, p = 0.04). The extent of changes in LVp-RVegm and iQRSD was significantly greater in NICM than in ICM patients (p = 0.017 and p = 0.042 for heterogeneity). There was also significant differential impact on QOL score in the NICM relative to the ICM group (p = 0.003) but none with VO2max. On multivariate analysis, only non-ischemic aetiology was a significant determinant of reduction in iQRSD.Conclusion: CRT induces potentially beneficial reduction in LVp-RVegm and iQRSD, which are seen selectively in NICM rather than ICM patients. The extent of improvement in these markers is associated with some functional and symptomatic measures of CRT efficacy. Electrical remodelling Cardiac resynchronization therapy Intracardiac conduction time Intrinsic QRS duration Cardiopulmonary exercise testing Intracardiac electrocardiogram Ganesan, Anand verfasserin aut Horowitz, John D. verfasserin aut McGavigan, Andrew D. verfasserin aut Enthalten in Journal of electrocardiology New York, NY : Elsevier, 1968 53, Seite 44-51 Online-Ressource (DE-627)330079174 (DE-600)2048912-2 (DE-576)264629167 1532-8430 nnns volume:53 pages:44-51 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 44.85 Kardiologie Angiologie AR 53 44-51
spelling	10.1016/j.jelectrocard.2018.12.001 doi (DE-627)ELV002031450 (ELSEVIER)S0022-0736(18)30485-0 DE-627 ger DE-627 rda eng 610 DE-600 44.85 bkl Ajaero, Chukwudiebube N. verfasserin aut Electrical remodelling post cardiac resynchronization therapy in patients with ischemic and non-ischemic heart failure 2018 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background: The beneficial effects of cardiac resynchronization therapy (CRT) in heart failure are largely considered to be due to improved mechanical contractility. The contributory role of electrical remodelling is less clear. We sought to evaluate the impact of electrical remodelling in these patients.Methods: 33 patients with conventional indications for CRT and with ischemic (ICM) (n = 17) and non-ischemic (NICM) (n = 16) aetiologies for heart failure were prospectively recruited. Functional parameters of peak exercise oxygen consumption (VO2max) and Minnesota quality of life (QOL) score, echocardiographic measures of LV functions and parameters of electrical remodelling, e.g. intrinsic QRS duration (iQRSD), intracardiac conduction times of LV pacing to RV electrocardiogram (LVp-RVegm), were measured at CRT implant and after 6 months.Results: Only two electrical parameters predicted functional or symptomatic improvement. LVp-RVegm reduction significantly correlated with improvement in VO2max (r = −0.42, p = 0.03 while reduction in iQRSD significantly correlated with improvement in QOL score (r = 0.39, p = 0.04). The extent of changes in LVp-RVegm and iQRSD was significantly greater in NICM than in ICM patients (p = 0.017 and p = 0.042 for heterogeneity). There was also significant differential impact on QOL score in the NICM relative to the ICM group (p = 0.003) but none with VO2max. On multivariate analysis, only non-ischemic aetiology was a significant determinant of reduction in iQRSD.Conclusion: CRT induces potentially beneficial reduction in LVp-RVegm and iQRSD, which are seen selectively in NICM rather than ICM patients. The extent of improvement in these markers is associated with some functional and symptomatic measures of CRT efficacy. Electrical remodelling Cardiac resynchronization therapy Intracardiac conduction time Intrinsic QRS duration Cardiopulmonary exercise testing Intracardiac electrocardiogram Ganesan, Anand verfasserin aut Horowitz, John D. verfasserin aut McGavigan, Andrew D. verfasserin aut Enthalten in Journal of electrocardiology New York, NY : Elsevier, 1968 53, Seite 44-51 Online-Ressource (DE-627)330079174 (DE-600)2048912-2 (DE-576)264629167 1532-8430 nnns volume:53 pages:44-51 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 44.85 Kardiologie Angiologie AR 53 44-51
allfields_unstemmed	10.1016/j.jelectrocard.2018.12.001 doi (DE-627)ELV002031450 (ELSEVIER)S0022-0736(18)30485-0 DE-627 ger DE-627 rda eng 610 DE-600 44.85 bkl Ajaero, Chukwudiebube N. verfasserin aut Electrical remodelling post cardiac resynchronization therapy in patients with ischemic and non-ischemic heart failure 2018 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background: The beneficial effects of cardiac resynchronization therapy (CRT) in heart failure are largely considered to be due to improved mechanical contractility. The contributory role of electrical remodelling is less clear. We sought to evaluate the impact of electrical remodelling in these patients.Methods: 33 patients with conventional indications for CRT and with ischemic (ICM) (n = 17) and non-ischemic (NICM) (n = 16) aetiologies for heart failure were prospectively recruited. Functional parameters of peak exercise oxygen consumption (VO2max) and Minnesota quality of life (QOL) score, echocardiographic measures of LV functions and parameters of electrical remodelling, e.g. intrinsic QRS duration (iQRSD), intracardiac conduction times of LV pacing to RV electrocardiogram (LVp-RVegm), were measured at CRT implant and after 6 months.Results: Only two electrical parameters predicted functional or symptomatic improvement. LVp-RVegm reduction significantly correlated with improvement in VO2max (r = −0.42, p = 0.03 while reduction in iQRSD significantly correlated with improvement in QOL score (r = 0.39, p = 0.04). The extent of changes in LVp-RVegm and iQRSD was significantly greater in NICM than in ICM patients (p = 0.017 and p = 0.042 for heterogeneity). There was also significant differential impact on QOL score in the NICM relative to the ICM group (p = 0.003) but none with VO2max. On multivariate analysis, only non-ischemic aetiology was a significant determinant of reduction in iQRSD.Conclusion: CRT induces potentially beneficial reduction in LVp-RVegm and iQRSD, which are seen selectively in NICM rather than ICM patients. The extent of improvement in these markers is associated with some functional and symptomatic measures of CRT efficacy. Electrical remodelling Cardiac resynchronization therapy Intracardiac conduction time Intrinsic QRS duration Cardiopulmonary exercise testing Intracardiac electrocardiogram Ganesan, Anand verfasserin aut Horowitz, John D. verfasserin aut McGavigan, Andrew D. verfasserin aut Enthalten in Journal of electrocardiology New York, NY : Elsevier, 1968 53, Seite 44-51 Online-Ressource (DE-627)330079174 (DE-600)2048912-2 (DE-576)264629167 1532-8430 nnns volume:53 pages:44-51 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 44.85 Kardiologie Angiologie AR 53 44-51
allfieldsGer	10.1016/j.jelectrocard.2018.12.001 doi (DE-627)ELV002031450 (ELSEVIER)S0022-0736(18)30485-0 DE-627 ger DE-627 rda eng 610 DE-600 44.85 bkl Ajaero, Chukwudiebube N. verfasserin aut Electrical remodelling post cardiac resynchronization therapy in patients with ischemic and non-ischemic heart failure 2018 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background: The beneficial effects of cardiac resynchronization therapy (CRT) in heart failure are largely considered to be due to improved mechanical contractility. The contributory role of electrical remodelling is less clear. We sought to evaluate the impact of electrical remodelling in these patients.Methods: 33 patients with conventional indications for CRT and with ischemic (ICM) (n = 17) and non-ischemic (NICM) (n = 16) aetiologies for heart failure were prospectively recruited. Functional parameters of peak exercise oxygen consumption (VO2max) and Minnesota quality of life (QOL) score, echocardiographic measures of LV functions and parameters of electrical remodelling, e.g. intrinsic QRS duration (iQRSD), intracardiac conduction times of LV pacing to RV electrocardiogram (LVp-RVegm), were measured at CRT implant and after 6 months.Results: Only two electrical parameters predicted functional or symptomatic improvement. LVp-RVegm reduction significantly correlated with improvement in VO2max (r = −0.42, p = 0.03 while reduction in iQRSD significantly correlated with improvement in QOL score (r = 0.39, p = 0.04). The extent of changes in LVp-RVegm and iQRSD was significantly greater in NICM than in ICM patients (p = 0.017 and p = 0.042 for heterogeneity). There was also significant differential impact on QOL score in the NICM relative to the ICM group (p = 0.003) but none with VO2max. On multivariate analysis, only non-ischemic aetiology was a significant determinant of reduction in iQRSD.Conclusion: CRT induces potentially beneficial reduction in LVp-RVegm and iQRSD, which are seen selectively in NICM rather than ICM patients. The extent of improvement in these markers is associated with some functional and symptomatic measures of CRT efficacy. Electrical remodelling Cardiac resynchronization therapy Intracardiac conduction time Intrinsic QRS duration Cardiopulmonary exercise testing Intracardiac electrocardiogram Ganesan, Anand verfasserin aut Horowitz, John D. verfasserin aut McGavigan, Andrew D. verfasserin aut Enthalten in Journal of electrocardiology New York, NY : Elsevier, 1968 53, Seite 44-51 Online-Ressource (DE-627)330079174 (DE-600)2048912-2 (DE-576)264629167 1532-8430 nnns volume:53 pages:44-51 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 44.85 Kardiologie Angiologie AR 53 44-51
allfieldsSound	10.1016/j.jelectrocard.2018.12.001 doi (DE-627)ELV002031450 (ELSEVIER)S0022-0736(18)30485-0 DE-627 ger DE-627 rda eng 610 DE-600 44.85 bkl Ajaero, Chukwudiebube N. verfasserin aut Electrical remodelling post cardiac resynchronization therapy in patients with ischemic and non-ischemic heart failure 2018 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background: The beneficial effects of cardiac resynchronization therapy (CRT) in heart failure are largely considered to be due to improved mechanical contractility. The contributory role of electrical remodelling is less clear. We sought to evaluate the impact of electrical remodelling in these patients.Methods: 33 patients with conventional indications for CRT and with ischemic (ICM) (n = 17) and non-ischemic (NICM) (n = 16) aetiologies for heart failure were prospectively recruited. Functional parameters of peak exercise oxygen consumption (VO2max) and Minnesota quality of life (QOL) score, echocardiographic measures of LV functions and parameters of electrical remodelling, e.g. intrinsic QRS duration (iQRSD), intracardiac conduction times of LV pacing to RV electrocardiogram (LVp-RVegm), were measured at CRT implant and after 6 months.Results: Only two electrical parameters predicted functional or symptomatic improvement. LVp-RVegm reduction significantly correlated with improvement in VO2max (r = −0.42, p = 0.03 while reduction in iQRSD significantly correlated with improvement in QOL score (r = 0.39, p = 0.04). The extent of changes in LVp-RVegm and iQRSD was significantly greater in NICM than in ICM patients (p = 0.017 and p = 0.042 for heterogeneity). There was also significant differential impact on QOL score in the NICM relative to the ICM group (p = 0.003) but none with VO2max. On multivariate analysis, only non-ischemic aetiology was a significant determinant of reduction in iQRSD.Conclusion: CRT induces potentially beneficial reduction in LVp-RVegm and iQRSD, which are seen selectively in NICM rather than ICM patients. The extent of improvement in these markers is associated with some functional and symptomatic measures of CRT efficacy. Electrical remodelling Cardiac resynchronization therapy Intracardiac conduction time Intrinsic QRS duration Cardiopulmonary exercise testing Intracardiac electrocardiogram Ganesan, Anand verfasserin aut Horowitz, John D. verfasserin aut McGavigan, Andrew D. verfasserin aut Enthalten in Journal of electrocardiology New York, NY : Elsevier, 1968 53, Seite 44-51 Online-Ressource (DE-627)330079174 (DE-600)2048912-2 (DE-576)264629167 1532-8430 nnns volume:53 pages:44-51 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 44.85 Kardiologie Angiologie AR 53 44-51
language	English
source	Enthalten in Journal of electrocardiology 53, Seite 44-51 volume:53 pages:44-51
sourceStr	Enthalten in Journal of electrocardiology 53, Seite 44-51 volume:53 pages:44-51
format_phy_str_mv	Article
bklname	Kardiologie Angiologie
institution	findex.gbv.de
topic_facet	Electrical remodelling Cardiac resynchronization therapy Intracardiac conduction time Intrinsic QRS duration Cardiopulmonary exercise testing Intracardiac electrocardiogram
dewey-raw	610
isfreeaccess_bool	false
container_title	Journal of electrocardiology
authorswithroles_txt_mv	Ajaero, Chukwudiebube N. @@aut@@ Ganesan, Anand @@aut@@ Horowitz, John D. @@aut@@ McGavigan, Andrew D. @@aut@@
publishDateDaySort_date	2018-01-01T00:00:00Z
hierarchy_top_id	330079174
dewey-sort	3610
id	ELV002031450
language_de	englisch
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The contributory role of electrical remodelling is less clear. We sought to evaluate the impact of electrical remodelling in these patients.Methods: 33 patients with conventional indications for CRT and with ischemic (ICM) (n = 17) and non-ischemic (NICM) (n = 16) aetiologies for heart failure were prospectively recruited. Functional parameters of peak exercise oxygen consumption (VO2max) and Minnesota quality of life (QOL) score, echocardiographic measures of LV functions and parameters of electrical remodelling, e.g. intrinsic QRS duration (iQRSD), intracardiac conduction times of LV pacing to RV electrocardiogram (LVp-RVegm), were measured at CRT implant and after 6 months.Results: Only two electrical parameters predicted functional or symptomatic improvement. LVp-RVegm reduction significantly correlated with improvement in VO2max (r = −0.42, p = 0.03 while reduction in iQRSD significantly correlated with improvement in QOL score (r = 0.39, p = 0.04). The extent of changes in LVp-RVegm and iQRSD was significantly greater in NICM than in ICM patients (p = 0.017 and p = 0.042 for heterogeneity). There was also significant differential impact on QOL score in the NICM relative to the ICM group (p = 0.003) but none with VO2max. On multivariate analysis, only non-ischemic aetiology was a significant determinant of reduction in iQRSD.Conclusion: CRT induces potentially beneficial reduction in LVp-RVegm and iQRSD, which are seen selectively in NICM rather than ICM patients. 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author	Ajaero, Chukwudiebube N.
spellingShingle	Ajaero, Chukwudiebube N. ddc 610 bkl 44.85 misc Electrical remodelling misc Cardiac resynchronization therapy misc Intracardiac conduction time misc Intrinsic QRS duration misc Cardiopulmonary exercise testing misc Intracardiac electrocardiogram Electrical remodelling post cardiac resynchronization therapy in patients with ischemic and non-ischemic heart failure
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topic_title	610 DE-600 44.85 bkl Electrical remodelling post cardiac resynchronization therapy in patients with ischemic and non-ischemic heart failure Electrical remodelling Cardiac resynchronization therapy Intracardiac conduction time Intrinsic QRS duration Cardiopulmonary exercise testing Intracardiac electrocardiogram
topic	ddc 610 bkl 44.85 misc Electrical remodelling misc Cardiac resynchronization therapy misc Intracardiac conduction time misc Intrinsic QRS duration misc Cardiopulmonary exercise testing misc Intracardiac electrocardiogram
topic_unstemmed	ddc 610 bkl 44.85 misc Electrical remodelling misc Cardiac resynchronization therapy misc Intracardiac conduction time misc Intrinsic QRS duration misc Cardiopulmonary exercise testing misc Intracardiac electrocardiogram
topic_browse	ddc 610 bkl 44.85 misc Electrical remodelling misc Cardiac resynchronization therapy misc Intracardiac conduction time misc Intrinsic QRS duration misc Cardiopulmonary exercise testing misc Intracardiac electrocardiogram
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title	Electrical remodelling post cardiac resynchronization therapy in patients with ischemic and non-ischemic heart failure
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title_full	Electrical remodelling post cardiac resynchronization therapy in patients with ischemic and non-ischemic heart failure
author_sort	Ajaero, Chukwudiebube N.
journal	Journal of electrocardiology
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author_browse	Ajaero, Chukwudiebube N. Ganesan, Anand Horowitz, John D. McGavigan, Andrew D.
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class	610 DE-600 44.85 bkl
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author-letter	Ajaero, Chukwudiebube N.
doi_str_mv	10.1016/j.jelectrocard.2018.12.001
dewey-full	610
author2-role	verfasserin
title_sort	electrical remodelling post cardiac resynchronization therapy in patients with ischemic and non-ischemic heart failure
title_auth	Electrical remodelling post cardiac resynchronization therapy in patients with ischemic and non-ischemic heart failure
abstract	Background: The beneficial effects of cardiac resynchronization therapy (CRT) in heart failure are largely considered to be due to improved mechanical contractility. The contributory role of electrical remodelling is less clear. We sought to evaluate the impact of electrical remodelling in these patients.Methods: 33 patients with conventional indications for CRT and with ischemic (ICM) (n = 17) and non-ischemic (NICM) (n = 16) aetiologies for heart failure were prospectively recruited. Functional parameters of peak exercise oxygen consumption (VO2max) and Minnesota quality of life (QOL) score, echocardiographic measures of LV functions and parameters of electrical remodelling, e.g. intrinsic QRS duration (iQRSD), intracardiac conduction times of LV pacing to RV electrocardiogram (LVp-RVegm), were measured at CRT implant and after 6 months.Results: Only two electrical parameters predicted functional or symptomatic improvement. LVp-RVegm reduction significantly correlated with improvement in VO2max (r = −0.42, p = 0.03 while reduction in iQRSD significantly correlated with improvement in QOL score (r = 0.39, p = 0.04). The extent of changes in LVp-RVegm and iQRSD was significantly greater in NICM than in ICM patients (p = 0.017 and p = 0.042 for heterogeneity). There was also significant differential impact on QOL score in the NICM relative to the ICM group (p = 0.003) but none with VO2max. On multivariate analysis, only non-ischemic aetiology was a significant determinant of reduction in iQRSD.Conclusion: CRT induces potentially beneficial reduction in LVp-RVegm and iQRSD, which are seen selectively in NICM rather than ICM patients. The extent of improvement in these markers is associated with some functional and symptomatic measures of CRT efficacy.
abstractGer	Background: The beneficial effects of cardiac resynchronization therapy (CRT) in heart failure are largely considered to be due to improved mechanical contractility. The contributory role of electrical remodelling is less clear. We sought to evaluate the impact of electrical remodelling in these patients.Methods: 33 patients with conventional indications for CRT and with ischemic (ICM) (n = 17) and non-ischemic (NICM) (n = 16) aetiologies for heart failure were prospectively recruited. Functional parameters of peak exercise oxygen consumption (VO2max) and Minnesota quality of life (QOL) score, echocardiographic measures of LV functions and parameters of electrical remodelling, e.g. intrinsic QRS duration (iQRSD), intracardiac conduction times of LV pacing to RV electrocardiogram (LVp-RVegm), were measured at CRT implant and after 6 months.Results: Only two electrical parameters predicted functional or symptomatic improvement. LVp-RVegm reduction significantly correlated with improvement in VO2max (r = −0.42, p = 0.03 while reduction in iQRSD significantly correlated with improvement in QOL score (r = 0.39, p = 0.04). The extent of changes in LVp-RVegm and iQRSD was significantly greater in NICM than in ICM patients (p = 0.017 and p = 0.042 for heterogeneity). There was also significant differential impact on QOL score in the NICM relative to the ICM group (p = 0.003) but none with VO2max. On multivariate analysis, only non-ischemic aetiology was a significant determinant of reduction in iQRSD.Conclusion: CRT induces potentially beneficial reduction in LVp-RVegm and iQRSD, which are seen selectively in NICM rather than ICM patients. The extent of improvement in these markers is associated with some functional and symptomatic measures of CRT efficacy.
abstract_unstemmed	Background: The beneficial effects of cardiac resynchronization therapy (CRT) in heart failure are largely considered to be due to improved mechanical contractility. The contributory role of electrical remodelling is less clear. We sought to evaluate the impact of electrical remodelling in these patients.Methods: 33 patients with conventional indications for CRT and with ischemic (ICM) (n = 17) and non-ischemic (NICM) (n = 16) aetiologies for heart failure were prospectively recruited. Functional parameters of peak exercise oxygen consumption (VO2max) and Minnesota quality of life (QOL) score, echocardiographic measures of LV functions and parameters of electrical remodelling, e.g. intrinsic QRS duration (iQRSD), intracardiac conduction times of LV pacing to RV electrocardiogram (LVp-RVegm), were measured at CRT implant and after 6 months.Results: Only two electrical parameters predicted functional or symptomatic improvement. LVp-RVegm reduction significantly correlated with improvement in VO2max (r = −0.42, p = 0.03 while reduction in iQRSD significantly correlated with improvement in QOL score (r = 0.39, p = 0.04). The extent of changes in LVp-RVegm and iQRSD was significantly greater in NICM than in ICM patients (p = 0.017 and p = 0.042 for heterogeneity). There was also significant differential impact on QOL score in the NICM relative to the ICM group (p = 0.003) but none with VO2max. On multivariate analysis, only non-ischemic aetiology was a significant determinant of reduction in iQRSD.Conclusion: CRT induces potentially beneficial reduction in LVp-RVegm and iQRSD, which are seen selectively in NICM rather than ICM patients. The extent of improvement in these markers is associated with some functional and symptomatic measures of CRT efficacy.
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title_short	Electrical remodelling post cardiac resynchronization therapy in patients with ischemic and non-ischemic heart failure
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author2	Ganesan, Anand Horowitz, John D. McGavigan, Andrew D.
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doi_str	10.1016/j.jelectrocard.2018.12.001
up_date	2024-07-06T23:23:07.882Z
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Electrical remodelling post cardiac resynchronization therapy in patients with ischemic and non-ischemic heart failure

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