Patients with intracranial bleeding and atrial fibrillation treated with left atrial appendage occlusion: Results from the Amplatzer Cardiac Plug registry.

Tzikas, Apostolos; Freixa, Xavier; Llull, Laura; Gafoor, Sameer; Shakir, Samera; Omran, Heyder; Giannakoulas, George; Berti, Sergio; Santoro, Gennaro; Kefer, Joelle; Aminian, Adel; Gloekler, Steffen; Landmesser, Ulf; Nielsen-Kudsk, Jens Erik; Cruz-Gonzalez, Ignacio; Kanagaratnam, Prapa; Nietlispach, Fabian; Ibrahim, Reda; Sievert, Horst; Schillinger, Wolfgang; ... (2017). Patients with intracranial bleeding and atrial fibrillation treated with left atrial appendage occlusion: Results from the Amplatzer Cardiac Plug registry. International journal of cardiology, 236, pp. 232-236. Elsevier 10.1016/j.ijcard.2017.02.042

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BACKGROUND

In patients with non-valvular atrial fibrillation (NVAF), intracranial bleeding (ICB) constitutes a very challenging situation in which the rate of both ischemic and hemorrhagic events is increased. In these patients, left atrial appendage occlusion (LAAO) might represent a very valid alternative.

OBJECTIVES

To investigate the procedural safety and long-term outcome of patients undergoing LAAO therapy due to previous ICB.

METHODS

Data from the Amplatzer Cardiac Plug multicenter registry on 1047 consecutive patients were analyzed. Patients with previous ICB as indication for LAAO were compared to patients with other indications.

RESULTS

A total of 198 patients (18.9%) with previous ICB were identified. The CHA2DS2-VASc score was similar (4.5±1.5 vs. 4.4±1.6, p=0.687) and the HAS-BLED score was higher in patients with previous ICB compared to those without (3.5±1.1 vs. 3.1±1.2, p<0.001). No significant differences in peri-procedural major adverse events were observed (2.5 vs 5.4%, p=0.1). Patients with previous ICB were more frequently on single acetylsalicylic acid therapy after LAAO (42.4% vs. 28.3%; p<0.001). With an average follow-up of 1.3years, the observed annual stroke/TIA rate (procedure and follow-up) for patients with previous ICB was 1.4% (75% relative risk reduction). The observed annual major bleeding rate (procedure and follow-up) for patients with previous ICB was 0.7% (89% relative risk reduction).

CONCLUSIONS

In patients with NVAF and previous ICB, LAAO seemed to be a safe procedure and was associated with a significant reduction in stroke/TIA and a remarkably low frequency of major bleeding during follow-up.

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