Atrial Fibrillation (AFIB) in the ICU: Incidence, Risk Factors, and Outcomes: The International AFIB-ICU Cohort Study.
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Wetterslev Mik, Hylander Møller Morten, Granholm Anders, Hassager Christian, Haase Nicolai, Lange Theis, Myatra Sheila N, Hästbacka Johanna, Arabi Yaseen M, Shen Jiawei, Cronhjort Maria, Lindqvist Elin, Aneman Anders, Young Paul J, Szczeklik Wojciech, Siegemund Martin, Koster Thijs, Aslam Tayyba Naz, Bestle Morten H, Girkov Mia S, Kalvit Kushal, Mohanty Rakesh, Mascarenhas Joanne, Pattnaik Manoranjan, Vergis Sara, Haranath Sai Praveen, Shah Mehul, Joshi Ziyokov, Wilkman Erika, Reinikainen Matti, Lehto Pasi, Jalkanen Ville, Pulkkinen Anni, An Youzhong, Wang Guoxing, Huang Lei, Huang Bin, Liu Wei, Gao Hengbo, Dou Lin, Li Shuangling, Yang Wanchun, Tegnell Emily, Knight Agnes, Czuczwar Miroslaw, Czarnik Tomasz, Perner Anders, AFIB-ICU Collaborators
Аннотация
DESIGN: Multicenter, prospective, inception cohort study.
SETTING: Forty-four ICUs in 12 countries in four geographical regions.
SUBJECTS: Adult, acutely admitted ICU patients without a history of persistent/permanent AF or recent cardiac surgery were enrolled; inception periods were from October 2020 to June 2021.
INTERVENTIONS: None.
MEASUREMENTS AND MAIN RESULTS: We included 1,423 ICU patients and analyzed 1,415 (99.4%), among whom 221 patients had 539 episodes of AF. Most (59%) episodes were diagnosed with continuous electrocardiogram monitoring. The incidence of AF was 15.6% (95% CI, 13.8-17.6), of which newly developed AF was 13.3% (11.5-15.1). A history of arterial hypertension, paroxysmal AF, sepsis, or high disease severity at ICU admission was associated with AF. Used interventions to manage AF were fluid bolus 19% (95% CI 16-23), magnesium 16% (13-20), potassium 15% (12-19), amiodarone 51% (47-55), beta-1 selective blockers 34% (30-38), calcium channel blockers 4% (2-6), digoxin 16% (12-19), and direct current cardioversion in 4% (2-6). Patients with AF had more ischemic, thromboembolic (13.6% vs 7.9%), and severe bleeding events (5.9% vs 2.1%), and higher mortality (41.2% vs 25.2%) than those without AF. The adjusted cause-specific hazard ratio for 90-day mortality by AF was 1.38 (95% CI, 0.95-1.99).
CONCLUSIONS: In ICU patients, AF occurred in one of six and was associated with different conditions. AF was associated with worse outcomes while not statistically significantly associated with 90-day mortality in the adjusted analyses. We observed variations in the diagnostic and management strategies for AF.