Competitive interaction between chronic obstructive pulmonary disease and CHA2DS2-VASc score in predicting incident atrial fibrillation

Salvatore Corrao, Sofia Miceli, Giovanni Tripepi, Maria Perticone, Salvatore Corrao, Giorgio Sesti, Francesco Perticone, Angela Sciacqua, Maria Perticone

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2 Citazioni (Scopus)

Abstract

Background: Chronic obstructive pulmonary disease (COPD) is a leading cause of morbidity and mortality, and an emerging risk factor for atrial fibrillation (AF). CHADS2 and CHA2DS2-VASc scores are significantly associated with incident AF independently of other risk factors. The aim of this study was to demonstrate a possible interaction between COPD and CHA2DS2-VASc in predicting incident AF. Methods: This observational prospective cohort study included 4322 Caucasians with cardiovascular risk factors, stratified by CHA2DS2-VASc score (> 2 vs < 2) and presence/absence of COPD. To detect AF appearance, patients underwent, every 6 months, physical examination, standard 12‑lead electrocardiogram and routine laboratory tests. Results: COPD prevalence was significantly higher in patients with CHA2DS2-VASc ≥ 2 vs CHA2DS2-VASc < 2 category (13.3% vs 10.5%, P = 0.009). During the follow-up, 589 cases of AF were documented (3.8 events/100 patients-year). COPD+ showed a significantly higher incidence of AF vs COPD− patients (17.4 vs 8.4 events/100 patients-year, P < 0.0001). In Cox regression models both CHA2DS2-VASc score (HR = 4.70, 95% CI = 3.63–6.08) and COPD (HR = 2.04, 95% CI = 1.69–2.48) significantly predicted the incidence rate of AF; this was also confirmed introducing the two variables into the same Cox model. A significant competitive interaction between CHA2DS2-VASc and COPD was found in a Cox model in patients with CHA2DS2-VASc < 2 (HR = 8.45, 95% CI = 5.20–13.74) than in those with CHA2DS2-VASc ≥ 2. Conclusions: COPD is an independent and strong predictor of incident AF. The presence of COPD increases the HR for incident AF about five times in patients with CHA2DS2VASc score < 2, while the coexistence of a CHA2DS2Vasc score ≥ 2 minimizes the prognostic significance of COPD.
Lingua originaleEnglish
pagine (da-a)74-79
Numero di pagine6
RivistaINTERNATIONAL JOURNAL OF CARDIOLOGY
Volume255
Stato di pubblicazionePublished - 2018

All Science Journal Classification (ASJC) codes

  • Cardiology and Cardiovascular Medicine

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    Corrao, S., Miceli, S., Tripepi, G., Perticone, M., Corrao, S., Sesti, G., Perticone, F., Sciacqua, A., & Perticone, M. (2018). Competitive interaction between chronic obstructive pulmonary disease and CHA2DS2-VASc score in predicting incident atrial fibrillation. INTERNATIONAL JOURNAL OF CARDIOLOGY, 255, 74-79.