Multipoint pacing via a quadripolar left-ventricular lead: Preliminary results from the Italian registry on multipoint left-ventricular pacing in cardiac resynchronization therapy (IRON-MPP)

Giovanni B. Forleo, Luca Santini, Massimo Giammaria, Domenico Potenza, Antonio Curnis, Vito Calabrese, Danilo Ricciardi, Carlo D'Agostino, Pasquale Notarstefano, Valentina Ribatti, Giovanni Morani, Massimo Mantica, Luigi Di Biase, Emanuele Bertaglia, Leonardo Calò, Francesco Zanon

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

Aims This registry was created to describe the experience of 76 Italian centres with a large cohort of recipients of multipoint pacing (MPP) capable cardiac resynchronization therapy (CRT) devices. Methods and results A total of 507 patients in whom these devices had been successfully implanted were enrolled between August 2013 and May 2015. We analysed: (i) current clinical practices for the management of such patients, and (ii) the impact of MPP on heart failure clinical composite response and on the absolute change in ejection fraction (EF) at 6 months. Multipoint pacing was programmed to €ON' in 46% of patients before discharge. Methods of optimizing MPP programming were most commonly based on either the greatest narrowing of the QRS complex (38%) or the electrical delays between the electrodes (34%). Clinical and echocardiographic follow-up data were evaluated in 232 patients. These patients were divided into two groups according to whether MPP was programmed to €ON' (n = 94) or €OFF' (n = 138) at the time of discharge. At 6 months, EF was significantly higher in the MPP group than in the biventricular-pacing group (39.1 ± 9.6 vs. 34.7 ± 7.6%; P < 0.001). Even after adjustments, early MPP activation remained an independent predictor of absolute increase in LVEF of ≥5% (odds ratio 2.5; P = 0.001). At 6 months, an improvement in clinical composite score was recorded in a greater proportion of patients with MPP-ON than in controls (56 vs. 38%; P = 0.009). On comparing optimal MPP and conventional vectors, QRS was also seen to have decreased significantly (P < 0.001). Conclusion This study provides information that is essential in order to deal with the expected increase in the number of patients receiving MPP devices in the coming years. The results revealed different practices among centres, and establishing the optimal programming that can maximize the benefit of MPP remains a challenging issue. Compared with conventional CRT, MPP improved clinical status and resulted in an additional increase in EF. Clinical Trial Registration http://www.clinicaltrial.gov/. Unique identifier: NCT02606071.

Original languageEnglish (US)
Pages (from-to)1170-1177
Number of pages8
JournalEuropace
Volume19
Issue number7
DOIs
StatePublished - Jul 1 2017

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Cardiac Resynchronization Therapy
Registries
Iron
Cardiac Resynchronization Therapy Devices
Equipment and Supplies
Patient Discharge
Practice Management
Lead
Electrodes
Heart Failure
Odds Ratio
Clinical Trials

Keywords

  • Cardiac resynchronization therapy
  • Heart failure
  • Left ventricular pacing configurations
  • MPP
  • Multipoint pacing
  • Optimization

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine
  • Physiology (medical)

Cite this

Multipoint pacing via a quadripolar left-ventricular lead : Preliminary results from the Italian registry on multipoint left-ventricular pacing in cardiac resynchronization therapy (IRON-MPP). / Forleo, Giovanni B.; Santini, Luca; Giammaria, Massimo; Potenza, Domenico; Curnis, Antonio; Calabrese, Vito; Ricciardi, Danilo; D'Agostino, Carlo; Notarstefano, Pasquale; Ribatti, Valentina; Morani, Giovanni; Mantica, Massimo; Di Biase, Luigi; Bertaglia, Emanuele; Calò, Leonardo; Zanon, Francesco.

In: Europace, Vol. 19, No. 7, 01.07.2017, p. 1170-1177.

Research output: Contribution to journalArticle

Forleo, GB, Santini, L, Giammaria, M, Potenza, D, Curnis, A, Calabrese, V, Ricciardi, D, D'Agostino, C, Notarstefano, P, Ribatti, V, Morani, G, Mantica, M, Di Biase, L, Bertaglia, E, Calò, L & Zanon, F 2017, 'Multipoint pacing via a quadripolar left-ventricular lead: Preliminary results from the Italian registry on multipoint left-ventricular pacing in cardiac resynchronization therapy (IRON-MPP)', Europace, vol. 19, no. 7, pp. 1170-1177. https://doi.org/10.1093/europace/euw094
Forleo, Giovanni B. ; Santini, Luca ; Giammaria, Massimo ; Potenza, Domenico ; Curnis, Antonio ; Calabrese, Vito ; Ricciardi, Danilo ; D'Agostino, Carlo ; Notarstefano, Pasquale ; Ribatti, Valentina ; Morani, Giovanni ; Mantica, Massimo ; Di Biase, Luigi ; Bertaglia, Emanuele ; Calò, Leonardo ; Zanon, Francesco. / Multipoint pacing via a quadripolar left-ventricular lead : Preliminary results from the Italian registry on multipoint left-ventricular pacing in cardiac resynchronization therapy (IRON-MPP). In: Europace. 2017 ; Vol. 19, No. 7. pp. 1170-1177.
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abstract = "Aims This registry was created to describe the experience of 76 Italian centres with a large cohort of recipients of multipoint pacing (MPP) capable cardiac resynchronization therapy (CRT) devices. Methods and results A total of 507 patients in whom these devices had been successfully implanted were enrolled between August 2013 and May 2015. We analysed: (i) current clinical practices for the management of such patients, and (ii) the impact of MPP on heart failure clinical composite response and on the absolute change in ejection fraction (EF) at 6 months. Multipoint pacing was programmed to €ON' in 46{\%} of patients before discharge. Methods of optimizing MPP programming were most commonly based on either the greatest narrowing of the QRS complex (38{\%}) or the electrical delays between the electrodes (34{\%}). Clinical and echocardiographic follow-up data were evaluated in 232 patients. These patients were divided into two groups according to whether MPP was programmed to €ON' (n = 94) or €OFF' (n = 138) at the time of discharge. At 6 months, EF was significantly higher in the MPP group than in the biventricular-pacing group (39.1 ± 9.6 vs. 34.7 ± 7.6{\%}; P < 0.001). Even after adjustments, early MPP activation remained an independent predictor of absolute increase in LVEF of ≥5{\%} (odds ratio 2.5; P = 0.001). At 6 months, an improvement in clinical composite score was recorded in a greater proportion of patients with MPP-ON than in controls (56 vs. 38{\%}; P = 0.009). On comparing optimal MPP and conventional vectors, QRS was also seen to have decreased significantly (P < 0.001). Conclusion This study provides information that is essential in order to deal with the expected increase in the number of patients receiving MPP devices in the coming years. The results revealed different practices among centres, and establishing the optimal programming that can maximize the benefit of MPP remains a challenging issue. Compared with conventional CRT, MPP improved clinical status and resulted in an additional increase in EF. Clinical Trial Registration http://www.clinicaltrial.gov/. Unique identifier: NCT02606071.",
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T2 - Preliminary results from the Italian registry on multipoint left-ventricular pacing in cardiac resynchronization therapy (IRON-MPP)

AU - Forleo, Giovanni B.

AU - Santini, Luca

AU - Giammaria, Massimo

AU - Potenza, Domenico

AU - Curnis, Antonio

AU - Calabrese, Vito

AU - Ricciardi, Danilo

AU - D'Agostino, Carlo

AU - Notarstefano, Pasquale

AU - Ribatti, Valentina

AU - Morani, Giovanni

AU - Mantica, Massimo

AU - Di Biase, Luigi

AU - Bertaglia, Emanuele

AU - Calò, Leonardo

AU - Zanon, Francesco

PY - 2017/7/1

Y1 - 2017/7/1

N2 - Aims This registry was created to describe the experience of 76 Italian centres with a large cohort of recipients of multipoint pacing (MPP) capable cardiac resynchronization therapy (CRT) devices. Methods and results A total of 507 patients in whom these devices had been successfully implanted were enrolled between August 2013 and May 2015. We analysed: (i) current clinical practices for the management of such patients, and (ii) the impact of MPP on heart failure clinical composite response and on the absolute change in ejection fraction (EF) at 6 months. Multipoint pacing was programmed to €ON' in 46% of patients before discharge. Methods of optimizing MPP programming were most commonly based on either the greatest narrowing of the QRS complex (38%) or the electrical delays between the electrodes (34%). Clinical and echocardiographic follow-up data were evaluated in 232 patients. These patients were divided into two groups according to whether MPP was programmed to €ON' (n = 94) or €OFF' (n = 138) at the time of discharge. At 6 months, EF was significantly higher in the MPP group than in the biventricular-pacing group (39.1 ± 9.6 vs. 34.7 ± 7.6%; P < 0.001). Even after adjustments, early MPP activation remained an independent predictor of absolute increase in LVEF of ≥5% (odds ratio 2.5; P = 0.001). At 6 months, an improvement in clinical composite score was recorded in a greater proportion of patients with MPP-ON than in controls (56 vs. 38%; P = 0.009). On comparing optimal MPP and conventional vectors, QRS was also seen to have decreased significantly (P < 0.001). Conclusion This study provides information that is essential in order to deal with the expected increase in the number of patients receiving MPP devices in the coming years. The results revealed different practices among centres, and establishing the optimal programming that can maximize the benefit of MPP remains a challenging issue. Compared with conventional CRT, MPP improved clinical status and resulted in an additional increase in EF. Clinical Trial Registration http://www.clinicaltrial.gov/. Unique identifier: NCT02606071.

AB - Aims This registry was created to describe the experience of 76 Italian centres with a large cohort of recipients of multipoint pacing (MPP) capable cardiac resynchronization therapy (CRT) devices. Methods and results A total of 507 patients in whom these devices had been successfully implanted were enrolled between August 2013 and May 2015. We analysed: (i) current clinical practices for the management of such patients, and (ii) the impact of MPP on heart failure clinical composite response and on the absolute change in ejection fraction (EF) at 6 months. Multipoint pacing was programmed to €ON' in 46% of patients before discharge. Methods of optimizing MPP programming were most commonly based on either the greatest narrowing of the QRS complex (38%) or the electrical delays between the electrodes (34%). Clinical and echocardiographic follow-up data were evaluated in 232 patients. These patients were divided into two groups according to whether MPP was programmed to €ON' (n = 94) or €OFF' (n = 138) at the time of discharge. At 6 months, EF was significantly higher in the MPP group than in the biventricular-pacing group (39.1 ± 9.6 vs. 34.7 ± 7.6%; P < 0.001). Even after adjustments, early MPP activation remained an independent predictor of absolute increase in LVEF of ≥5% (odds ratio 2.5; P = 0.001). At 6 months, an improvement in clinical composite score was recorded in a greater proportion of patients with MPP-ON than in controls (56 vs. 38%; P = 0.009). On comparing optimal MPP and conventional vectors, QRS was also seen to have decreased significantly (P < 0.001). Conclusion This study provides information that is essential in order to deal with the expected increase in the number of patients receiving MPP devices in the coming years. The results revealed different practices among centres, and establishing the optimal programming that can maximize the benefit of MPP remains a challenging issue. Compared with conventional CRT, MPP improved clinical status and resulted in an additional increase in EF. Clinical Trial Registration http://www.clinicaltrial.gov/. Unique identifier: NCT02606071.

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