Related Experiment Video

Updated: Aug 5, 2026

Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation
28:13

Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation

Published on: February 26, 2013

Comorbidity phenotypes, prognostic implications, and Atrial fibrillation Better Care pathway effectiveness in

Xu Tian1, Zijie Ding1, Jinhua Zhao1

  • 1Tianjin Key Laboratory of Ionic-Molecular Function of Cardiovascular disease, Department of Cardiology, Tianjin Institute of Cardiology, the Second Hospital of Tianjin Medical University, Tianjin, China.

Heart Rhythm
|August 3, 2026
PubMed

Insights

Early-onset atrial fibrillation (AF) patients were categorized into three comorbidity clusters. Adherence to the Atrial fibrillation Better Care (ABC) pathway improved outcomes for all AF patients, irrespective of their specific comorbidity profile.

Area of Science:

  • Cardiology
  • Genetics
  • Epidemiology

Background:

  • Early-onset atrial fibrillation (AF) is characterized by diverse and often overlooked comorbidity profiles.
  • Understanding these profiles is crucial for effective patient management.

Purpose of the Study:

  • To identify distinct comorbidity phenotype clusters in young AF patients (aged 18-45).
  • To assess the prognostic implications of these phenotypes.
  • To evaluate the effectiveness of the Atrial fibrillation Better Care (ABC) pathway in managing different AF phenotypes.

Main Methods:

  • Latent class analysis was used to define comorbidity phenotypes in 3573 early-onset AF patients.
  • The study investigated associations between phenotypes, AF management, and prognosis.
  • The primary outcome was a composite of all-cause death and major adverse cardiovascular events.

Main Results:

  • Three phenotype clusters were identified: Low Complexity (53.1%), Multiple Cardiovascular Metabolic Comorbidities (29.0%), and Structural Heart Disease (17.9%).
  • Patients in the latter two clusters faced significantly higher risks of adverse outcomes compared to the Low Complexity group.
  • Adherence to the ABC pathway (33.2% of patients) was associated with a reduced risk of the primary outcome across all phenotypes.

Conclusions:

  • Early-onset AF patients can be stratified into three distinct comorbidity phenotypes.
  • The Atrial fibrillation Better Care (ABC) pathway demonstrates significant prognostic benefits for younger AF patients, regardless of their comorbidity profile.
Abstract

Keywords:
Atrial fibrillationAtrial fibrillation Better Care pathwayLatent class analysisReal-world studyYounger patients

More Related Videos

Estimating Bilateral Atrial Function by Cardiovascular Magnetic Resonance Feature Tracking in Patients with Paroxysmal Atrial Fibrillation08:10

Estimating Bilateral Atrial Function by Cardiovascular Magnetic Resonance Feature Tracking in Patients with Paroxysmal Atrial Fibrillation

Published on: July 20, 2022

The WATCHMAN Left Atrial Appendage Closure Device for Atrial Fibrillation23:33

The WATCHMAN Left Atrial Appendage Closure Device for Atrial Fibrillation

Published on: February 28, 2012

Related Concept Videos

Acute Coronary Syndrome III: Diagnostic Studies01:30

Acute Coronary Syndrome III: Diagnostic Studies

Diagnosing acute coronary syndrome or ACS begins with a thorough patient history. Notable symptoms include central, crushing chest pain radiating to the left arm, neck, jaw, or back, along with shortness of breath, sweating (diaphoresis), nausea, vomiting, dizziness, and palpitations.It is crucial to note any history of cardiac illnesses and assess risk factors, including age, gender, smoking, hypertension, diabetes, hyperlipidemia, and a sedentary lifestyle.During physical examination, vital...
Acute Coronary Syndrome II: Pathophysiology and Clinical Manifestations01:19

Acute Coronary Syndrome II: Pathophysiology and Clinical Manifestations

The pathophysiology of Acute Coronary Syndrome [ACD] involves several key processes:The main underlying cause of ACD is atherosclerosis, a chronic inflammatory disease characterized by the buildup of lipid-laden plaques within the coronary arteries.As the atherosclerotic plaque grows in the coronary artery, it may become unstable due to the formation of a lipid-rich core and a thin fibrous cap. Inflammatory cells within the plaque, such as macrophages, secrete enzymes that degrade the...
Acute Coronary Syndrome I: Introduction01:30

Acute Coronary Syndrome I: Introduction

Acute Coronary Syndrome (ACS) encompasses a spectrum of heart conditions caused by sudden obstruction of coronary arteries, typically resulting from the rupture of an atherosclerotic plaque and subsequent thrombus (blood clot) formation. This obstruction can lead to partial or complete blockage of blood flow, causing varying degrees of myocardial ischemia or infarction.ACS includes the following clinical entities:Unstable Angina (UA)Non-ST-Elevation Myocardial Infarction (NSTEMI)ST-Elevation...
ECG Interpretation of Arrhythmias II: Atrial, Junctional and Ventricular Arrhythmias01:25

ECG Interpretation of Arrhythmias II: Atrial, Junctional and Ventricular Arrhythmias

Arrhythmia is a condition characterized by an irregular heart rhythm, with ECG changes that differ based on its origin and nature. The types of arrhythmias discussed below include atrial, junctional, and ventricular arrhythmias.Atrial ArrhythmiasPremature Atrial Complexes (PACs): PACs are early atrial beats caused by stress, caffeine, alcohol, electrolyte imbalances, hypoxia, hyperthyroidism, or certain medications (e.g., bronchodilators and decongestants). The ECG shows early P waves with an...
Pulmonary Hypertension: Classification and Pathogenesis01:30

Pulmonary Hypertension: Classification and Pathogenesis

Pulmonary hypertension (PH) is a severe health condition in which the mean pulmonary arterial pressure increases to 25 mmHg or more, even when the body is at rest. This high pressure in the blood vessels that transport blood from the heart to the lungs can cause various symptoms, including shortness of breath, can lead to right heart failure, and significantly affect the overall quality of life.
There are various classifications for PH, each relating to different underlying causes and also...
Coronary Artery Disease III: Clinical Manifestations01:30

Coronary Artery Disease III: Clinical Manifestations

Coronary Artery Disease (CAD) is a primary health risk worldwide, leading to significant morbidity and mortality. The condition arises from the buildup of atherosclerotic plaques within the coronary arteries, resulting in diminished blood supply to the heart muscle.The clinical manifestations of CAD vary widely, from asymptomatic stages to severe, life-threatening conditions. Understanding these manifestations is crucial for early diagnosis and effective management.Angina Pectoris: The Warning...