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For: Waddingham PH, Lambiase P, Muthumala A, Rowland E, Chow AW. Fusion Pacing with Biventricular, Left Ventricular-only and Multipoint Pacing in Cardiac Resynchronisation Therapy: Latest Evidence and Strategies for Use. Arrhythm Electrophysiol Rev 2021;10:91-100. [PMID: 34401181 PMCID: PMC8335856 DOI: 10.15420/aer.2020.49] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Accepted: 03/15/2021] [Indexed: 12/11/2022] Open

For:	Waddingham PH, Lambiase P, Muthumala A, Rowland E, Chow AW. Fusion Pacing with Biventricular, Left Ventricular-only and Multipoint Pacing in Cardiac Resynchronisation Therapy: Latest Evidence and Strategies for Use. Arrhythm Electrophysiol Rev 2021;10:91-100. [PMID: 34401181 PMCID: PMC8335856 DOI: 10.15420/aer.2020.49] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Accepted: 03/15/2021] [Indexed: 12/11/2022] Open

Number

Cited by Other Article(s)

Green PG, Monteiro C, Holdsworth DA, Betts TR, Herring N. Cardiac resynchronization using fusion pacing during exercise. J Cardiovasc Electrophysiol 2024;35:146-154. [PMID: 37888415 DOI: 10.1111/jce.16120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Revised: 10/02/2023] [Accepted: 10/24/2023] [Indexed: 10/28/2023]

Vătășescu RG, Târtea GC, Iorgulescu C, Cojocaru C, Deaconu A, Badiul A, Goanță EV, Bogdan Ș, Cozma D. Predictors for Super-Responders in Cardiac Resynchronization Therapy. Am J Ther 2024;31:e13-e23. [PMID: 38231577 DOI: 10.1097/mjt.0000000000001692] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2024]

Wijesuriya N, Mehta V, De Vere F, Strocchi M, Behar JM, Niederer SA, Rinaldi CA. The role of conduction system pacing in patients with atrial fibrillation. Front Cardiovasc Med 2023;10:1187754. [PMID: 37304966 PMCID: PMC10248047 DOI: 10.3389/fcvm.2023.1187754] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Accepted: 04/24/2023] [Indexed: 06/13/2023] Open

Waddingham PH, Mangual JO, Orini M, Badie N, Muthumala A, Sporton S, McSpadden LC, Lambiase PD, Chow AWC. Electrocardiographic imaging demonstrates electrical synchrony improvement by dynamic atrioventricular delays in patients with left bundle branch block and preserved atrioventricular conduction. Europace 2023;25:536-545. [PMID: 36480445 PMCID: PMC9935053 DOI: 10.1093/europace/euac224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Accepted: 11/01/2022] [Indexed: 12/13/2022] Open

Abstract

AIMS

Cardiac resynchronization therapy programmed to dynamically fuse pacing with intrinsic conduction using atrioventricular (AV) timing algorithms (e.g. SyncAV) has shown promise; however, mechanistic data are lacking. This study assessed the impact of SyncAV on electrical dyssynchrony across various pacing modalities using non-invasive epicardial electrocardiographic imaging (ECGi).

METHODS AND RESULTS

Twenty-five patients with left bundle-branch block (median QRS duration (QRSd) 162.7 ms) and intact AV conduction (PR interval 174.0 ms) were prospectively enrolled. ECGi was performed acutely during biventricular pacing with fixed nominal AV delays (BiV) and using SyncAV (optimized for the narrowest QRSd) during: BiV + SyncAV, LV-only single-site (LVSS + SyncAV), MultiPoint pacing (MPP + SyncAV), and LV-only MPP (LVMPP + SyncAV). Dyssynchrony was quantified via ECGi (LV activation time, LVAT; RV activation time, RVAT; LV electrical dispersion index, LVEDi; ventricular electrical uncoupling index, VEU; and biventricular total activation time, VVtat). Intrinsic conduction LVAT (124 ms) was significantly reduced by BiV pacing (109 ms) (P = 0.001) and further reduced by LVSS + SyncAV (103 ms), BiV + SyncAV (103 ms), LVMPP + SyncAV (95 ms), and MPP + SyncAV (90 ms). Intrinsic RVAT (93 ms), VVtat (130 ms), LVEDi (36 ms), VEU (50 ms), and QRSd (163 ms) were reduced by SyncAV across all pacing modes. More patients exhibited minimal LVAT, VVtat, LVEDi, and QRSd with MPP + SyncAV than any other modality.

CONCLUSION

Dynamic AV delay programming targeting fusion with intrinsic conduction significantly reduced dyssynchrony, as quantified by ECGi and QRSd for all evaluated pacing modes. MPP + SyncAV achieved the greatest synchrony overall but not for all patients, highlighting the value of pacing mode individualization during fusion optimization.

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Vacarescu C, Luca CT, Feier H, Gaiță D, Crișan S, Negru AG, Iurciuc S, Goanță EV, Mornos C, Lazăr MA, Streian CG, Arnăutu DA, Turi VR, Cozma D. Betablockers and Ivabradine Titration According to Exercise Test in LV Only Fusion CRT Pacing. Diagnostics (Basel) 2022;12:1096. [PMID: 35626251 PMCID: PMC9139204 DOI: 10.3390/diagnostics12051096] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2022] [Revised: 04/17/2022] [Accepted: 04/26/2022] [Indexed: 11/17/2022] Open

Affiliation(s)

Cristina Vacarescu Cardiology Department, “Victor Babes” University of Medicine and Pharmacy, 2 Eftimie Murgu Sq., 300041 Timisoara, Romania; (C.V.); (H.F.); (D.G.); (A.-G.N.); (S.I.); (E.-V.G.); (C.M.); (M.-A.L.); (C.-G.S.); (D.-A.A.); (V.-R.T.); (D.C.) Institute of Cardiovascular Diseases Timisoara, 13A Gheorghe Adam Street, 300310 Timisoara, Romania Research Center of the Institute of Cardiovascular Diseases Timisoara, 13A Gheorghe Adam Street, 300310 Timisoara, Romania
Constantin-Tudor Luca Cardiology Department, “Victor Babes” University of Medicine and Pharmacy, 2 Eftimie Murgu Sq., 300041 Timisoara, Romania; (C.V.); (H.F.); (D.G.); (A.-G.N.); (S.I.); (E.-V.G.); (C.M.); (M.-A.L.); (C.-G.S.); (D.-A.A.); (V.-R.T.); (D.C.) Institute of Cardiovascular Diseases Timisoara, 13A Gheorghe Adam Street, 300310 Timisoara, Romania Research Center of the Institute of Cardiovascular Diseases Timisoara, 13A Gheorghe Adam Street, 300310 Timisoara, Romania
Horea Feier Cardiology Department, “Victor Babes” University of Medicine and Pharmacy, 2 Eftimie Murgu Sq., 300041 Timisoara, Romania; (C.V.); (H.F.); (D.G.); (A.-G.N.); (S.I.); (E.-V.G.); (C.M.); (M.-A.L.); (C.-G.S.); (D.-A.A.); (V.-R.T.); (D.C.) Institute of Cardiovascular Diseases Timisoara, 13A Gheorghe Adam Street, 300310 Timisoara, Romania Research Center of the Institute of Cardiovascular Diseases Timisoara, 13A Gheorghe Adam Street, 300310 Timisoara, Romania
Dan Gaiță Cardiology Department, “Victor Babes” University of Medicine and Pharmacy, 2 Eftimie Murgu Sq., 300041 Timisoara, Romania; (C.V.); (H.F.); (D.G.); (A.-G.N.); (S.I.); (E.-V.G.); (C.M.); (M.-A.L.); (C.-G.S.); (D.-A.A.); (V.-R.T.); (D.C.) Institute of Cardiovascular Diseases Timisoara, 13A Gheorghe Adam Street, 300310 Timisoara, Romania Research Center of the Institute of Cardiovascular Diseases Timisoara, 13A Gheorghe Adam Street, 300310 Timisoara, Romania
Simina Crișan Cardiology Department, “Victor Babes” University of Medicine and Pharmacy, 2 Eftimie Murgu Sq., 300041 Timisoara, Romania; (C.V.); (H.F.); (D.G.); (A.-G.N.); (S.I.); (E.-V.G.); (C.M.); (M.-A.L.); (C.-G.S.); (D.-A.A.); (V.-R.T.); (D.C.) Institute of Cardiovascular Diseases Timisoara, 13A Gheorghe Adam Street, 300310 Timisoara, Romania Research Center of the Institute of Cardiovascular Diseases Timisoara, 13A Gheorghe Adam Street, 300310 Timisoara, Romania
Alina-Gabriela Negru Cardiology Department, “Victor Babes” University of Medicine and Pharmacy, 2 Eftimie Murgu Sq., 300041 Timisoara, Romania; (C.V.); (H.F.); (D.G.); (A.-G.N.); (S.I.); (E.-V.G.); (C.M.); (M.-A.L.); (C.-G.S.); (D.-A.A.); (V.-R.T.); (D.C.) Institute of Cardiovascular Diseases Timisoara, 13A Gheorghe Adam Street, 300310 Timisoara, Romania Research Center of the Institute of Cardiovascular Diseases Timisoara, 13A Gheorghe Adam Street, 300310 Timisoara, Romania
Stela Iurciuc Cardiology Department, “Victor Babes” University of Medicine and Pharmacy, 2 Eftimie Murgu Sq., 300041 Timisoara, Romania; (C.V.); (H.F.); (D.G.); (A.-G.N.); (S.I.); (E.-V.G.); (C.M.); (M.-A.L.); (C.-G.S.); (D.-A.A.); (V.-R.T.); (D.C.)
Emilia-Violeta Goanță Cardiology Department, “Victor Babes” University of Medicine and Pharmacy, 2 Eftimie Murgu Sq., 300041 Timisoara, Romania; (C.V.); (H.F.); (D.G.); (A.-G.N.); (S.I.); (E.-V.G.); (C.M.); (M.-A.L.); (C.-G.S.); (D.-A.A.); (V.-R.T.); (D.C.) Research Center of the Institute of Cardiovascular Diseases Timisoara, 13A Gheorghe Adam Street, 300310 Timisoara, Romania
Cristian Mornos Cardiology Department, “Victor Babes” University of Medicine and Pharmacy, 2 Eftimie Murgu Sq., 300041 Timisoara, Romania; (C.V.); (H.F.); (D.G.); (A.-G.N.); (S.I.); (E.-V.G.); (C.M.); (M.-A.L.); (C.-G.S.); (D.-A.A.); (V.-R.T.); (D.C.) Institute of Cardiovascular Diseases Timisoara, 13A Gheorghe Adam Street, 300310 Timisoara, Romania Research Center of the Institute of Cardiovascular Diseases Timisoara, 13A Gheorghe Adam Street, 300310 Timisoara, Romania
Mihai-Andrei Lazăr Cardiology Department, “Victor Babes” University of Medicine and Pharmacy, 2 Eftimie Murgu Sq., 300041 Timisoara, Romania; (C.V.); (H.F.); (D.G.); (A.-G.N.); (S.I.); (E.-V.G.); (C.M.); (M.-A.L.); (C.-G.S.); (D.-A.A.); (V.-R.T.); (D.C.) Institute of Cardiovascular Diseases Timisoara, 13A Gheorghe Adam Street, 300310 Timisoara, Romania Research Center of the Institute of Cardiovascular Diseases Timisoara, 13A Gheorghe Adam Street, 300310 Timisoara, Romania
Caius-Glad Streian Cardiology Department, “Victor Babes” University of Medicine and Pharmacy, 2 Eftimie Murgu Sq., 300041 Timisoara, Romania; (C.V.); (H.F.); (D.G.); (A.-G.N.); (S.I.); (E.-V.G.); (C.M.); (M.-A.L.); (C.-G.S.); (D.-A.A.); (V.-R.T.); (D.C.) Institute of Cardiovascular Diseases Timisoara, 13A Gheorghe Adam Street, 300310 Timisoara, Romania Research Center of the Institute of Cardiovascular Diseases Timisoara, 13A Gheorghe Adam Street, 300310 Timisoara, Romania
Diana-Aurora Arnăutu Cardiology Department, “Victor Babes” University of Medicine and Pharmacy, 2 Eftimie Murgu Sq., 300041 Timisoara, Romania; (C.V.); (H.F.); (D.G.); (A.-G.N.); (S.I.); (E.-V.G.); (C.M.); (M.-A.L.); (C.-G.S.); (D.-A.A.); (V.-R.T.); (D.C.)
Vladiana-Romina Turi Cardiology Department, “Victor Babes” University of Medicine and Pharmacy, 2 Eftimie Murgu Sq., 300041 Timisoara, Romania; (C.V.); (H.F.); (D.G.); (A.-G.N.); (S.I.); (E.-V.G.); (C.M.); (M.-A.L.); (C.-G.S.); (D.-A.A.); (V.-R.T.); (D.C.) Research Center of the Institute of Cardiovascular Diseases Timisoara, 13A Gheorghe Adam Street, 300310 Timisoara, Romania
Dragos Cozma Cardiology Department, “Victor Babes” University of Medicine and Pharmacy, 2 Eftimie Murgu Sq., 300041 Timisoara, Romania; (C.V.); (H.F.); (D.G.); (A.-G.N.); (S.I.); (E.-V.G.); (C.M.); (M.-A.L.); (C.-G.S.); (D.-A.A.); (V.-R.T.); (D.C.) Institute of Cardiovascular Diseases Timisoara, 13A Gheorghe Adam Street, 300310 Timisoara, Romania Research Center of the Institute of Cardiovascular Diseases Timisoara, 13A Gheorghe Adam Street, 300310 Timisoara, Romania

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Mehta VS, Elliott MK, Sidhu BS, Gould J, Porter B, Niederer S, Rinaldi CA. "Is multipoint pacing superior to optimized single-point pacing?"-Authors' reply. J Cardiovasc Electrophysiol 2021;32:3280-3281. [PMID: 34698426 DOI: 10.1111/jce.15276] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2021] [Accepted: 10/18/2021] [Indexed: 11/29/2022]