Diagnostics (Dec 2021)

Improvement of Retinal Microcirculation after Pulmonary Vein Isolation in Patients with Atrial Fibrillation—An Optical Coherence Tomography Angiography Study

  • Philipp S. Lange,
  • Natasa Mihailovic,
  • Eliane Esser,
  • Gerrit Frommeyer,
  • Alicia J. Fischer,
  • Niklas Bode,
  • Dennis Höwel,
  • Friederike Rosenberger,
  • Nicole Eter,
  • Lars Eckardt,
  • Larissa Lahme,
  • Maged Alnawaiseh

DOI
https://doi.org/10.3390/diagnostics12010038
Journal volume & issue
Vol. 12, no. 1
p. 38

Abstract

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Purpose: To evaluate retinal and optic nerve head (ONH) perfusion in patients with atrial fibrillation (AF) before and after catheter ablation of AF with pulmonary vein isolation (PVI). Methods: 34 eyes of 34 patients with AF and 35 eyes of 35 healthy subjects were included in this study. Flow density data were obtained using spectral-domain OCT-A (RTVue XR Avanti with AngioVue, Optovue, Inc, Fremont, California, USA). The data of the superficial and deep vascular layers of the macula and the ONH (radial peripapillary capillary network, RPC) before and after PVI were extracted and analysed. Results: The flow density in the superficial OCT-angiogram (whole en face) and the ONH (RPC) in patients with AF was significantly lower compared to healthy controls (OCT-A superficial: study group: 48.77 (45.19; 52.12)%; control group: 53.01 (50.00; 54.25)%; p p p = 0.007). Conclusions: Patients with AF showed altered ocular perfusion as measured using OCTA when compared with healthy controls. Rhythm control using PVI significantly improved ocular perfusion as measured using OCT-A. Non-contact imaging using OCTA provides novel information about the central global microperfusion of patients with AF.

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