• Carlo Rostagno, Alessandro Cartei, Gaia Rubbieri, Alice Ceccofiglio, Gianluca Polidori, Massimo Curcio, Roberto Civinini, and Domenico Prisco.
• Dipartimento Medicina Sperimentale e Clinica, Università Di Firenze, Viale Morgagni 85, 50134, Florence, Italy. carlo.rostagno@unifi.it.
• Intern Emerg Med. 2021 Mar 1; 16 (2): 333-338.

AbstractFew information exist about incidence and prognostic significance of postoperative atrial fibrillation (POAF) in patients undergoing hip fracture surgery. In the period comprised between January 2012 and December 2016, we evaluated 3129 patients referred for hip fracture. At hospital admission 277 were in permanent atrial fibrillation and were excluded from the study. POAF was defined as symptomatic or asymptomatic AF of duration > 10 min occurring during hospitalization after hip surgery. In-hospital and 1-year outcomes of POAF patients were compared to that of an age- and sex-matched hip fracture control group. Survival rates were estimated by Kaplan-Meier curves and differences between groups compared by log-rank test. One hundred and four patients (mean age 83.7 years, men 27%) developed POAF (3.6%). Time of onset after surgery was on average 2 days after surgery. Eight POAF patients died during hospitalization. 81.7% were discharged in sinus rhythm. Patients with POAF had a longer time to surgery (3.8 ± 3.3 vs. 2.4 ± 1.6 days, p = 0.0007) and length of hospital stay (19.7 ± 10.4 vs. 14.4 ± 5.1 days p < 0.0001) in comparison to control group. Eight patients had AF recurrence during follow-up. 1-year mortality was significantly higher in POAF group in comparison to control group (39.3. vs 20.9%, p < 0.001). Postoperative atrial fibrillation in patients undergoing hip fracture surgery is associated with a longer length of hospital stay in comparison to patients who maintain stable sinus rhythm. Moreover, these patients had a significant higher mortality at 1-year follow-up.

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