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. Author manuscript; available in PMC: 2022 Jun 25.
Published in final edited form as: JACC Clin Electrophysiol. 2022 Apr 3;8(6):766–778. doi: 10.1016/j.jacep.2022.03.001

Table 2:

Procedural characteristics (among 0 mm; 0 – 5 mm and larger than 5 mm) (secondary)

0 mm (N = 37696) 0 – 5 mm (N = 13258) larger than 5 mm (N = 379) p-value
Characteristic
LAAOrificeMaxWidth Mean(std) 21.1 (4.2) Mean(std) 22.3 (4.3) Mean(std) 23.7 (4.4) <.0001
Range 0.0 – 50.0 Range 0.0 – 50.0 Range 12.0 – 49.0
Observations 36658 (97.2%) Observations 12987 (98.0%) Observations 368 (97.1%)
Sedation
minimalseda N(Yes%) 61 (0.2%) N(Yes%) 15 (0.1%) N(Yes%) 0 (0.0%) 0.3433
moderatesed N(Yes%) 512 (1.4%) N(Yes%) 270 (2.0%) N(Yes%) 4 (1.1%) <.0001
deepsedatio N(Yes%) 155 (0.4%) N(Yes%) 67 (0.5%) N(Yes%) 2 (0.5%) 0.3543
generalanes N(Yes%) 36895 (97.9%) N(Yes%) 12877 (97.1%) N(Yes%) 373 (98.4%) <.0001
Indication for LAAO
Increased thromboembolic risk N(Yes%) 24184 (64.2%) N(Yes%) 8620 (65.0%) N(Yes%) 235 (62.0%) 0.1286
History of major bleeding N(Yes%) 23357 (62.0%) N(Yes%) 8577 (64.7%) N(Yes%) 242 (63.9%) <.0001
High fall risk N(Yes%) 13637 (36.2%) N(Yes%) 4614 (34.8%) N(Yes%) 130 (34.3%) 0.0147
labileINR N(Yes%) 3150 (8.4%) N(Yes%) 1087 (8.2%) N(Yes%) 31 (8.2%) 0.8486
Patient preference N(Yes%) 13807 (36.6%) N(Yes%) 4596 (34.7%) N(Yes%) 125 (33.0%) 0.0001
Non-compliance with anticoagulation therapy N(Yes%) 1219 (3.2%) N(Yes%) 431 (3.3%) N(Yes%) 11 (2.9%) 0.9302
Device ResidualLeak Mean(std) 0.1 (0.5) Mean(std) 0.2 (0.8) Mean(std) 0.5 (1.5) <.0001
Range 0.0 – 10.0 Range 0.0 – 10.0 Range 0.0 – 9.0
Observations 36989 (98.1%) Observations 13016 (98.2%) Observations 374 (98.7%)
Guidance Method
Fluoroscopy N(Yes%) 34667 (92.0%) N(Yes%) 12134 (91.5%) N(Yes%) 356 (93.9%) 0.0929
Intracardia N(Yes%) 447 (1.2%) N(Yes%) 149 (1.1%) N(Yes%) 1 (0.3%) 0.2217
TEE N(Yes%) 2132 (5.7%) N(Yes%) 831 (6.3%) N(Yes%) 19 (5.0%) 0.0279
Cumulative Air kerma Mean(std) 743.2 (1599.1) Mean(std) 746.3 (1530.8) Mean(std) 933.9 (2431.9) 0.1035
Range 1.0 – 50000.0 Range 1.0 – 50000.0 Range 4.0 – 36875.0
Observations 32026 (85.0%) Observations 11314 (85.3%) Observations 318 (83.9%)
Contrast Volume Mean(std) 63.0 (47.3) Mean(std) 62.6 (46.9) Mean(std) 67.9 (47.1) 0.0996
Range 0.0 – 751.0 Range 0.0 – 636.0 Range 0.0 – 320.0
Observations 36498 (96.8%) Observations 12754 (96.2%) Observations 368 (97.1%)
Procedure Adjudicated Major Event Occurred
Pericadial effusion N(Yes%) 334 (0.9%) N(Yes%) 138 (1.0%) N(Yes%) 3 (0.8%) 0.2672
Device Systemic Ebolism N(Yes%) 4 (0.0%) N(Yes%) 1 (0.0%) N(Yes%) 0 (0.0%) 0.9361
Cardiac Arrest N(Yes%) 24 (0.1%) N(Yes%) 15 (0.1%) N(Yes%) 0 (0.0%) 0.178
Myocardial Infarction N(Yes%) 15 (0.0%) N(Yes%) 3 (0.0%) N(Yes%) 0 (0.0%) 0.6193
Ischemic Stroke N(Yes%) 32 (0.1%) N(Yes%) 11 (0.1%) N(Yes%) 0 (0.0%) 0.8503
Hemorrhagic Stroke N(Yes%) 1 (0.0%) N(Yes%) 0 (0.0%) N(Yes%) 0 (0.0%) 0.8345
Undetermined Stroke N(Yes%) 2 (0.0%) N(Yes%) 0 (0.0%) N(Yes%) 0 (0.0%) 0.6964
TIA N(Yes%) 10 (0.0%) N(Yes%) 4 (0.0%) N(Yes%) 0 (0.0%) 0.9269
major bleeding N(Yes%) 510 (1.4%) N(Yes%) 193 (1.5%) N(Yes%) 3 (0.8%) 0.4224
major vascular complcation N(Yes%) 59 (0.2%) N(Yes%) 11 (0.1%) N(Yes%) 1 (0.3%) 0.1178