Fehmi Keçe

Cerebral Embolism during Atrial Fibrillation Ablation 95 3 3.8. Supplemental Tables Table A. Details of the MRI sequences. Sequence TR (ms) TE (ms) TI (ms) Angle (°) Slices (n) Thick- ness (mm) NSA Slide gap (%) FOV (mm) Orientation Survey 15 5 15 9 (3-3-3) 10 1 10-20 250 Sagittal Coronal Transversal FLAIR 11000 130 2800 120 28 5 1 10 220 Transversal T2-TSE 80 3951 90 48 3 2 220 Transversal DWI/ADC* 3323 79 90 29 5 1 10 220 Transversal ADC = apparent diffusion coefficient; DWI = diffusion weighted images; FLAIR = fluid attenuated inversion recovery; FOV = field of view; NSA = number of signal averages; TE = echo time; TI = inversion time; TR = repetition time; TSE = turbo spin echo. *For ADC mapping b-values (b=0 and b=1000) Table B. Size and location of the cerebral lesions (n = 18). Patient ID Location Size (mm) ACE Cerebral infarcts Repeated MRI 1 PVAC Gold-8 Left Gyrus Cingulate 6 1 1 1 2 TC-12 Left Temporal Cortical 3 1 0 0 3 TC-13 Left Occipital Subcortical 4 1 0 0 4 PVAC Gold-15 Right Nucleus Caudatus 6 1 1 1 5 PVAC Gold-17 Cortical Gyrus Precentralis 6 1 0 0 6 PVAC Gold-20 Right Gyrus Frontalis Medialis Cortical 5 1 1 0 7 PVAC Gold-21 Left Paramedian Mesencephalic 5 1 1 1 8 PVAC Gold-21 Left Cerebellum 5 1 1 1 9 PVAC Gold-21 Left Occipital 6 1 1 1 10 PVAC Gold-21 Right Gyrus Temporalis Inferior 5 1 1 0 11 PVAC Gold-28 Left Centrum Semiovale 5 1 1 1 12 PVAC Gold-29 Right Gyrus Precentralis 3 1 1 0 13 PVAC Gold-29 Right Gyrus Postcentralis 5 1 1 0 14 PVAC Gold-29 Right Gyrus Postcentralis 3 1 1 0 15 PVAC Gold-29 Left Parietal 4 1 1 0 16 PVAC Gold-29 Left Gyrus Postcentralis 4 1 1 0 17 PVAC Gold-29 Left Frontal Periventricular 4 1 1 0 18 PVAC Gold-30 Left Cerebellum 4 1 1 0 16:2 4.6 ± 1 18:0 15:3 6:16 Asymptomatic cerebral embolism (ACE, no scar) is defined as a diffusion – positive (DWI hyperintense) + ADC reduced map on MRI and a cerebral infarct (scar) is defined as diffusion – positive (DWI hyperintense) + ADC reduced map plus a FLAIR positive scan. ADC = apparent diffusion coefficient; DWI = diffusion weighted image; FLAIR = fluid-attenuated inversion recovery.