Coronary sinus lead delay index for optimization of coronary sinus lead placement

Koç, Mevlüt; Kaypaklı, Onur; Gözübüyük, Gökhan; Şahin, Durmuş Yıldıray

doi:10.1111/anec.12454

Cited by 3 publications

(1 citation statement)

References 27 publications

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“…Доступ к коронарной венозной системе необходим для проведения различных видов интервенционных вмешательств, включая РТ. Поэтому характеристика коронарной венозной анатомии может облегчить понимание для улучшения доступа к этим методам и последующего совершенствования терапии [62]. В исследовании J. H. Spencer и соавт.…”

Section: характеристика инновационных технологий в имплантации электродов и оптимизации их позиционированияunclassified

Resynchronization Therapy for Chronic Heart Failure: Diagnostic and Therapeutic Approaches

et al. 2019

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Chronic heart failure (CHF) remains one of the most important problems of modern cardiology. One of the effective treatment methods is resynchronization therapy (RT). The article presents an analysis of literature data on the effectiveness of RT in improving the quality of life, reducing the number of hospitalizations and mortality in patients with heart failure with severe left ventricular systolic dysfunction and expanding QRS complex, and also discusses key methods for optimizing RT.

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Resynchronization Therapy for Chronic Heart Failure: Diagnostic and Therapeutic Approaches

et al. 2019

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Coronary sinus and great cardiac vein electroanatomic mapping predicts the activation delay of the coronary sinus branches

Maines

Peruzza

Zorzi

et al. 2020

Cardiovasc electrophysiol

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BackgroundImplantation of left ventricular (LV) lead in segments with delayed electrical activation may improve response to cardiac resynchronization therapy (CRT). The search for the latest LV electrical delay (LVED) site can be time‐consuming.ObjectiveTo assess if electrical mapping of coronary sinus (CS) and magna cardiac vein can help to identify the latest activated CS branch.MethodsWe retrospectively evaluated 48 consecutive patients who underwent electroanatomic mapping system‐guided (EAMS)‐CRT device implantation with ≥2 mapped CS branches. The activation mapping of the CS and relative branches were performed using an insulated guide wire. LVED was defined as the interval between the beginning of the QRS complex on the surface electrocardiogram and the local electrogram and expressed in milliseconds (ms).ResultsThirty‐two (67%) patients showed left bundle branch block (LBBB) and 16 (33%) non‐LBBB electrocardiographic patterns. A total of 116 CS branches (mean, 2.4/patient; range, 2‐5) were mapped. In the left oblique view, most patients (N = 39, 81%) showed the latest CS‐LVED in lateral segments while nine (19%) showed the latest CS‐LVED in anterior or posterior segments. Specifically, 94% of patients with LBBB showed the latest CS‐LVED in lateral segments while CS activation among non‐LBBB patients was heterogeneous. In all patients, the CS branch that demonstrated the highest LVED originated from the latest activated segment of the CS.ConclusionElectrical mapping of CS allows identifying the latest activated branches. This finding may contribute to simplify CRT device implantation compared to activation mapping of all the branches.

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Advances in Cardiac Resynchronization Therapy

Jafferani

Leal

2019

J Innov Cardiac Rhythm Manage.

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The development of cardiac resynchronization therapy (CRT) has been crucial in reducing morbidity and mortality in patients with advanced heart failure. However, a significant proportion of patients who receive CRT fail to derive significant clinical benefits from this therapy. Successful CRT depends on a multitude of factors, including appropriate patient selection, left ventricular lead positioning, and postimplant management. Newer device-based algorithms, multipoint ventricular pacing, and the development of leadless CRT devices constitute important facets of both the present and near-future evolution of this therapy.

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Coronary sinus lead delay index for optimization of coronary sinus lead placement

Abstract: CSDI may be used as a marker to predict the favorable response to CRT. It may be useful to integrate CSDI to CRT implantation procedure in order to minimize nonresponders.

Cited by 3 publications

References 27 publications

Resynchronization Therapy for Chronic Heart Failure: Diagnostic and Therapeutic Approaches

Resynchronization Therapy for Chronic Heart Failure: Diagnostic and Therapeutic Approaches

Coronary sinus and great cardiac vein electroanatomic mapping predicts the activation delay of the coronary sinus branches

Advances in Cardiac Resynchronization Therapy

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