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Effectiveness of the systemic immune inflammation index to predict atrial fibrillation recurrence after cryoablation
(NLM (Medline), 2023) Kaplan, Elmas; Ekizler, Firdevs A.; Sarıbaş, Halenur; Tak, Bahar T.; Çay, Serkan; Korkmaz, Ahmet; Özeke, Özcan; Özcan, Fırat; Topaloğlu, Serkan; Aras, Dursun
Background: We aimed to investigate the predictive role of systemic immune inflammation index (SII) on atrial fibrillation (AF) recurrence following cryoballoon-based AF ablation. Materials & methods: A total of 370 consecutive patients with symptomatic AF who underwent cryoablation were enrolled. The patients were divided into two groups according to recurrence development. Results: During the follow-up period of 25.0 ± 6.7 months, recurrence was observed in 77 patients (20.8%). Receiver operating characteristic analysis demonstrated that using a cutoff level of 532, SII had a sensitivity of 71% and specificity of 68%. In the multivariate Cox model, high SII was a significant predictor of the recurrence. Conclusion: This study showed that higher SII level is an independent predictor of AF recurrence.