Betablockers and Ivabradine Titration According to Exercise Test in LV Only Fusion CRT Pacing

Background: Betablockers (BB)/ivabradine titration in fusion CRT pacing (CRTP) is understudied. Aim: To assess drug optimization using systematic exercise tests (ET) in fusion CRTP with preserved atrioventricular conduction (AVc). Methods: Changes in drug management were assessed during systematic f...

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Main Authors: Cristina Vacarescu, Constantin-Tudor Luca, Horea Feier, Dan Gaiță, Simina Crișan, Alina-Gabriela Negru, Stela Iurciuc, Emilia-Violeta Goanță, Cristian Mornos, Mihai-Andrei Lazăr, Caius-Glad Streian, Diana-Aurora Arnăutu, Vladiana-Romina Turi, Dragos Cozma
Format: Article
Language:English
Published: MDPI AG 2022-04-01
Series:Diagnostics
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Online Access:https://www.mdpi.com/2075-4418/12/5/1096
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author Cristina Vacarescu
Constantin-Tudor Luca
Horea Feier
Dan Gaiță
Simina Crișan
Alina-Gabriela Negru
Stela Iurciuc
Emilia-Violeta Goanță
Cristian Mornos
Mihai-Andrei Lazăr
Caius-Glad Streian
Diana-Aurora Arnăutu
Vladiana-Romina Turi
Dragos Cozma
author_facet Cristina Vacarescu
Constantin-Tudor Luca
Horea Feier
Dan Gaiță
Simina Crișan
Alina-Gabriela Negru
Stela Iurciuc
Emilia-Violeta Goanță
Cristian Mornos
Mihai-Andrei Lazăr
Caius-Glad Streian
Diana-Aurora Arnăutu
Vladiana-Romina Turi
Dragos Cozma
author_sort Cristina Vacarescu
collection DOAJ
description Background: Betablockers (BB)/ivabradine titration in fusion CRT pacing (CRTP) is understudied. Aim: To assess drug optimization using systematic exercise tests (ET) in fusion CRTP with preserved atrioventricular conduction (AVc). Methods: Changes in drug management were assessed during systematic follow-ups in CRTP patients without right ventricle lead. Shorter AVc (PR interval) allowed BB up-titration, while longer AVc needed BB down-titration, favoring ivabradine. Constant fusion pacing was the goal to improve outcomes. Results: 64 patients, 62.5 ± 9.5 y.o divided into three groups: shorter PR (<160 ms), normal (160–200 ms), longer (200–240 ms); follow-up 59 ± 26 months. Drugs were titrated in case of: capture loss due to AVc shortening (14%), AVc lengthening (5%), chronotropic incompetence (11%), maximum tracking rate issues (9%), brady/tachyarrhythmias (8%). Interventions: BB up-titration (78% shorter PR, 19% normal PR, 5% longer PR), BB down-titration (22% shorter PR, 14% normal PR), BB exclusion (16% longer PR), adding/up-titration ivabradine (22% shorter PR, 19% normal PR, 5% longer PR), ivabradine down-titration (22% shorter PR, 3% normal PR), ivabradine exclusion (11% normal PR, 5% longer PR). Drug strategy was changed in 165 follow-ups from 371 recorded (42% patients). Conclusions: BBs/ivabradine titration and routine ET during follow-ups in patients with fusion CRTP should be a standard approach to maximize resynchronization response. Fusion CRTP showed a positive outcome with important LV reverse remodeling and significant LVEF improvement in carefully selected patients.
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spelling doaj.art-e6a9d565b6f64bacbda099420b81f1502023-11-23T10:39:16ZengMDPI AGDiagnostics2075-44182022-04-01125109610.3390/diagnostics12051096Betablockers and Ivabradine Titration According to Exercise Test in LV Only Fusion CRT PacingCristina Vacarescu0Constantin-Tudor Luca1Horea Feier2Dan Gaiță3Simina Crișan4Alina-Gabriela Negru5Stela Iurciuc6Emilia-Violeta Goanță7Cristian Mornos8Mihai-Andrei Lazăr9Caius-Glad Streian10Diana-Aurora Arnăutu11Vladiana-Romina Turi12Dragos Cozma13Cardiology Department, “Victor Babes” University of Medicine and Pharmacy, 2 Eftimie Murgu Sq., 300041 Timisoara, RomaniaCardiology Department, “Victor Babes” University of Medicine and Pharmacy, 2 Eftimie Murgu Sq., 300041 Timisoara, RomaniaCardiology Department, “Victor Babes” University of Medicine and Pharmacy, 2 Eftimie Murgu Sq., 300041 Timisoara, RomaniaCardiology Department, “Victor Babes” University of Medicine and Pharmacy, 2 Eftimie Murgu Sq., 300041 Timisoara, RomaniaCardiology Department, “Victor Babes” University of Medicine and Pharmacy, 2 Eftimie Murgu Sq., 300041 Timisoara, RomaniaCardiology Department, “Victor Babes” University of Medicine and Pharmacy, 2 Eftimie Murgu Sq., 300041 Timisoara, RomaniaCardiology Department, “Victor Babes” University of Medicine and Pharmacy, 2 Eftimie Murgu Sq., 300041 Timisoara, RomaniaCardiology Department, “Victor Babes” University of Medicine and Pharmacy, 2 Eftimie Murgu Sq., 300041 Timisoara, RomaniaCardiology Department, “Victor Babes” University of Medicine and Pharmacy, 2 Eftimie Murgu Sq., 300041 Timisoara, RomaniaCardiology Department, “Victor Babes” University of Medicine and Pharmacy, 2 Eftimie Murgu Sq., 300041 Timisoara, RomaniaCardiology Department, “Victor Babes” University of Medicine and Pharmacy, 2 Eftimie Murgu Sq., 300041 Timisoara, RomaniaCardiology Department, “Victor Babes” University of Medicine and Pharmacy, 2 Eftimie Murgu Sq., 300041 Timisoara, RomaniaCardiology Department, “Victor Babes” University of Medicine and Pharmacy, 2 Eftimie Murgu Sq., 300041 Timisoara, RomaniaCardiology Department, “Victor Babes” University of Medicine and Pharmacy, 2 Eftimie Murgu Sq., 300041 Timisoara, RomaniaBackground: Betablockers (BB)/ivabradine titration in fusion CRT pacing (CRTP) is understudied. Aim: To assess drug optimization using systematic exercise tests (ET) in fusion CRTP with preserved atrioventricular conduction (AVc). Methods: Changes in drug management were assessed during systematic follow-ups in CRTP patients without right ventricle lead. Shorter AVc (PR interval) allowed BB up-titration, while longer AVc needed BB down-titration, favoring ivabradine. Constant fusion pacing was the goal to improve outcomes. Results: 64 patients, 62.5 ± 9.5 y.o divided into three groups: shorter PR (<160 ms), normal (160–200 ms), longer (200–240 ms); follow-up 59 ± 26 months. Drugs were titrated in case of: capture loss due to AVc shortening (14%), AVc lengthening (5%), chronotropic incompetence (11%), maximum tracking rate issues (9%), brady/tachyarrhythmias (8%). Interventions: BB up-titration (78% shorter PR, 19% normal PR, 5% longer PR), BB down-titration (22% shorter PR, 14% normal PR), BB exclusion (16% longer PR), adding/up-titration ivabradine (22% shorter PR, 19% normal PR, 5% longer PR), ivabradine down-titration (22% shorter PR, 3% normal PR), ivabradine exclusion (11% normal PR, 5% longer PR). Drug strategy was changed in 165 follow-ups from 371 recorded (42% patients). Conclusions: BBs/ivabradine titration and routine ET during follow-ups in patients with fusion CRTP should be a standard approach to maximize resynchronization response. Fusion CRTP showed a positive outcome with important LV reverse remodeling and significant LVEF improvement in carefully selected patients.https://www.mdpi.com/2075-4418/12/5/1096fusion CRT pacingexercise testbetablockerivabradine optimization
spellingShingle Cristina Vacarescu
Constantin-Tudor Luca
Horea Feier
Dan Gaiță
Simina Crișan
Alina-Gabriela Negru
Stela Iurciuc
Emilia-Violeta Goanță
Cristian Mornos
Mihai-Andrei Lazăr
Caius-Glad Streian
Diana-Aurora Arnăutu
Vladiana-Romina Turi
Dragos Cozma
Betablockers and Ivabradine Titration According to Exercise Test in LV Only Fusion CRT Pacing
Diagnostics
fusion CRT pacing
exercise test
betablocker
ivabradine optimization
title Betablockers and Ivabradine Titration According to Exercise Test in LV Only Fusion CRT Pacing
title_full Betablockers and Ivabradine Titration According to Exercise Test in LV Only Fusion CRT Pacing
title_fullStr Betablockers and Ivabradine Titration According to Exercise Test in LV Only Fusion CRT Pacing
title_full_unstemmed Betablockers and Ivabradine Titration According to Exercise Test in LV Only Fusion CRT Pacing
title_short Betablockers and Ivabradine Titration According to Exercise Test in LV Only Fusion CRT Pacing
title_sort betablockers and ivabradine titration according to exercise test in lv only fusion crt pacing
topic fusion CRT pacing
exercise test
betablocker
ivabradine optimization
url https://www.mdpi.com/2075-4418/12/5/1096
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