Association of Right Ventricular Afterload With Atrial Fibrillation Risk in Older Adults: The Atherosclerosis Risk in Communities Study.
aging
atrial fibrillation
pulmonary circulation
pulmonary hypertension
right ventricle
Journal
Chest
ISSN: 1931-3543
Titre abrégé: Chest
Pays: United States
ID NLM: 0231335
Informations de publication
Date de publication:
10 2022
10 2022
Historique:
received:
10
11
2021
revised:
03
05
2022
accepted:
04
05
2022
pubmed:
14
5
2022
medline:
12
10
2022
entrez:
13
5
2022
Statut:
ppublish
Résumé
Atrial fibrillation (AF) is widely perceived to originate from the left atrium (LA). Whether increases in right ventricular (RV) afterload in older adults play an etiological role in AF genesis independent of LA and left ventricular (LV) remodeling is unknown. Is higher RV afterload associated with greater AF risk independent of LA and LV remodeling? In this observational prospective study, we included 2,246 community-dwelling older adults (mean age, 75 years) without known cardiovascular disease, with LV ejection fraction > 50%, LA volume index < 34 mL/m During follow-up (median, 6.3 years; interquartile interval, 5.5-6.9 years), 215 participants developed AF. AF risk was significantly higher in the third (vs first) tertile of PASP (HR, 1.65; 95% CI, 1.08-2.54) and PVR (HR, 1.38; 95% CI, 1.00-2.08) independent of LA and LV structure and function, heart rate, BMI, prevalent sleep apnea, systemic BP, antihypertensive medications, and lung, kidney, and thyroid function. These associations persisted after further exclusion of participants with tricuspid regurgitation jet velocity > 2.8 m/s and lateral and septal mitral annular velocity above age- and sex-specific reference limits. In older adults, higher RV afterload is associated with greater AF risk independent of LA and LV remodeling. Future research should focus on confirming this novel association and elucidate underlying mechanisms.
Sections du résumé
BACKGROUND
Atrial fibrillation (AF) is widely perceived to originate from the left atrium (LA). Whether increases in right ventricular (RV) afterload in older adults play an etiological role in AF genesis independent of LA and left ventricular (LV) remodeling is unknown.
RESEARCH QUESTION
Is higher RV afterload associated with greater AF risk independent of LA and LV remodeling?
STUDY DESIGN AND METHODS
In this observational prospective study, we included 2,246 community-dwelling older adults (mean age, 75 years) without known cardiovascular disease, with LV ejection fraction > 50%, LA volume index < 34 mL/m
RESULTS
During follow-up (median, 6.3 years; interquartile interval, 5.5-6.9 years), 215 participants developed AF. AF risk was significantly higher in the third (vs first) tertile of PASP (HR, 1.65; 95% CI, 1.08-2.54) and PVR (HR, 1.38; 95% CI, 1.00-2.08) independent of LA and LV structure and function, heart rate, BMI, prevalent sleep apnea, systemic BP, antihypertensive medications, and lung, kidney, and thyroid function. These associations persisted after further exclusion of participants with tricuspid regurgitation jet velocity > 2.8 m/s and lateral and septal mitral annular velocity above age- and sex-specific reference limits.
INTERPRETATION
In older adults, higher RV afterload is associated with greater AF risk independent of LA and LV remodeling. Future research should focus on confirming this novel association and elucidate underlying mechanisms.
Identifiants
pubmed: 35562059
pii: S0012-3692(22)00899-6
doi: 10.1016/j.chest.2022.05.004
pmc: PMC9659616
pii:
doi:
Substances chimiques
Antihypertensive Agents
0
Types de publication
Journal Article
Observational Study
Research Support, N.I.H., Extramural
Langues
eng
Sous-ensembles de citation
IM
Pagination
884-893Subventions
Organisme : NHLBI NIH HHS
ID : R01 HL162927
Pays : United States
Organisme : NHLBI NIH HHS
ID : R01 HL158022
Pays : United States
Organisme : NHLBI NIH HHS
ID : K24 HL155813
Pays : United States
Organisme : NHLBI NIH HHS
ID : HHSN268201700002C
Pays : United States
Organisme : NHLBI NIH HHS
ID : HHSN268201700001I
Pays : United States
Organisme : NHLBI NIH HHS
ID : K08 HL140100
Pays : United States
Organisme : NHLBI NIH HHS
ID : R01 HL158795
Pays : United States
Organisme : NHLBI NIH HHS
ID : HHSN268201700003I
Pays : United States
Organisme : NHLBI NIH HHS
ID : R01 HL126637
Pays : United States
Organisme : NHLBI NIH HHS
ID : HHSN268201700004I
Pays : United States
Organisme : NHLBI NIH HHS
ID : K24 HL152008
Pays : United States
Organisme : NHLBI NIH HHS
ID : HHSN268201700005C
Pays : United States
Organisme : NHLBI NIH HHS
ID : HHSN268201700001C
Pays : United States
Organisme : NHLBI NIH HHS
ID : HHSN268201700003C
Pays : United States
Organisme : NHLBI NIH HHS
ID : HHSN268201700004C
Pays : United States
Organisme : NINDS NIH HHS
ID : RF1 NS127266
Pays : United States
Organisme : NHLBI NIH HHS
ID : R01 HL141288
Pays : United States
Organisme : NHLBI NIH HHS
ID : HHSN268201700002I
Pays : United States
Organisme : NHLBI NIH HHS
ID : HHSN268201700005I
Pays : United States
Informations de copyright
Published by Elsevier Inc.
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