P Wave Parameters and Indices: A Critical Appraisal of Clinical Utility, Challenges, and Future Research—A Consensus Document Endorsed by the International Society of Electrocardiology and the International Society for Holter and Noninvasive Electrocardiology

Lin Yee Chen, Antonio Luiz Pinho Ribeiro, Pyotr G. Platonov, Iwona Cygankiewicz, Elsayed Z. Soliman, Bulent Gorenek, Takanori Ikeda, Vassilios P. Vassilikos, Jonathan S. Steinberg, Niraj Varma, Antoni Bayés-De-Luna, Adrian Baranchuk

Research output: Contribution to journalReview articlepeer-review

75 Scopus citations

Abstract

Atrial cardiomyopathy, characterized by abnormalities in atrial structure and function, is associated with increased risk of adverse cardiovascular and neurocognitive outcomes, independent of atrial fibrillation. There exists a critical unmet need for a clinical tool that is cost-effective, easy to use, and that can diagnose atrial cardiomyopathy. P wave parameters (PWPs) reflect underlying atrial structure, size, and electrical activation; alterations in these factors manifest as abnormalities in PWPs that can be readily ascertained from a standard 12-lead ECG and potentially be used to aid clinical decision-making. PWPs include P wave duration, interatrial block, P wave terminal force in V1, P wave axis, P wave voltage, P wave area, and P wave dispersion. PWPs can be combined to yield an index (P wave index), such as the morphology-voltage-P-wave duration ECG risk score. Abnormal PWPs have been shown in population-based cohort studies to be independently associated with higher risks of atrial fibrillation, ischemic stroke, sudden cardiac death, and dementia. Additionally, PWPs, either individually or in combination (as a P wave index), have been reported to enhance prediction of atrial fibrillation or ischemic stroke. To facilitate translation of PWPs to routine clinical practice, additional work is needed to standardize measurement of PWPs (eg, via semiautomated or automated measurement), confirm their reliability and predictive value, leverage novel approaches (eg, wavelet analysis of P waves and machine learning algorithms), and finally, define the risk-benefit ratio of specific interventions in high-risk individuals. Our ultimate goal is to repurpose the ubiquitous 12-lead ECG to advance the study, diagnosis, and treatment of atrial cardiomyopathy, thus overcoming critical challenges in prevention of cardiovascular disease and dementia.

Original languageEnglish (US)
Pages (from-to)E010435
JournalCirculation: Arrhythmia and Electrophysiology
Volume15
Issue number4
DOIs
StatePublished - Apr 1 2022

Bibliographical note

Funding Information:
We thank Dr Niki Oldenburg for her assistance in article preparation and submission. Dr Chen is supported by the USA National Institutes of Health (R01 HL141288, R01 HL126637, K24 HL155813); Dr Ribeiro is supported in part by CNPq (310679/2016-8 and 465518/2014-1) and by FAPEMIG (Fundação de Amparo à Pesquisa do Estado de Minas Gerais; PPM-00428-17 and RED-00081-16); Dr Platonov is supported by The Swedish Heart-Lung Foundation (grant no. 20200674) and by grants from the Swedish state under the agreement between the Swedish government and the county councils, the ALF (Avtal för Läkarutbildning och klinisk Forskning)-agreement (grant no. 46702); Dr Vassilikos’s work on P-W wavelet analysis was partially supported by a Hellenic Cardiac Society Grant, ABdeLuna is supported by Foundation Jesus Serra (Autonomous University of Barcelona) and Foundation Daniel Bravo; Dr Steinberg is supported by USA National Institutes of Health (R34 HL133526 and R34 HL153579), Atricure, Inc, and AliveCor, Inc. Dr Soliman is supported the National Center for Advancing Translational Sciences of the National Institutes of Health (UL1TR001420).

Funding Information:
Dr Chen is supported by the USA National Institutes of Health (R01 HL141288, R01 HL126637, K24 HL155813); Dr Ribeiro is supported in part by CNPq (310679/2016-8 and 465518/2014-1) and by FAPEMIG (Fundação de Amparo à Pesquisa do Estado de Minas Gerais; PPM-00428-17 and RED-00081-16); Dr Platonov is supported by The Swedish Heart-Lung Foundation (grant no. 20200674) and by grants from the Swedish state under the agreement between the Swedish government and the county councils, the ALF (Avtal för Läkarutbildning och klinisk Forskning)-agreement (grant no. 46702); Dr Vassilikos’s work on P-W wavelet analysis was partially supported by a Hellenic Cardiac Society Grant, ABdeLuna is supported by Foundation Jesus Serra (Autonomous University of Barcelona) and Foundation Daniel Bravo; Dr Steinberg is supported by USA National Institutes of Health (R34 HL133526 and R34 HL153579), Atricure, Inc, and AliveCor, Inc. Dr Soliman is supported the National Center for Advancing Translational Sciences of the National Institutes of Health (UL1TR001420).

Publisher Copyright:
© 2022 American Heart Association, Inc.

Keywords

  • Atrial fibrillation
  • Cardiomyopathy
  • Cardiovascular disease
  • Interatrial block
  • Ischemic stroke

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