Journal
JOURNAL OF CLINICAL MEDICINE
Volume 12, Issue 20, Pages -Publisher
MDPI
DOI: 10.3390/jcm12206658
Keywords
intra-cardiac; transesophageal; echocardiography; left atrial appendage occlusion
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This study compared the peri-procedural success and complication rate of left atrial appendage occlusion (LAAO) procedures guided by intra-cardiac echocardiography (ICE) and transesophageal echocardiography (TEE) using Watchmann FLX device. The results showed high technical and procedural success rates in both groups, and no significant difference in stroke and major bleeding rates at one year. ICE guidance slightly increased procedural time but shortened hospital stay.
This study aimed to compare the peri-procedural success and complication rate within a large registry of intra-cardiac echocardiography (ICE)- vs. transesophageal echocardiography (TEE)-guided left atrial appendage occlusion (LAAO) procedures with a Watchmann FLX device. Data from 772 LAAO procedures, performed at 26 Italian centers, were reviewed. Technical success was considered as the final implant of a Watchmann FLX device in LAA; the absence of pericardial tamponade, peri-procedural stroke and/or systemic embolism, major bleeding and device embolization during the procedure was defined as a procedural success. One-year stroke and major bleeding rates were evaluated as outcome. ICE-guided LAA occlusion was performed in 149 patients, while TEE was used in 623 patients. Baseline characteristics were similar between the ICE and TEE groups. The technical success was 100% in both groups. Procedural success was also extremely high (98.5%), and was comparable between ICE (98.7%) and TEE (98.5%). ICE was associated with a slightly longer procedural time (73 +/- 31 vs. 61.9 +/- 36 min, p = 0.042) and shorter hospital stay (5.3 +/- 4 vs. 5.8 +/- 6 days, p = 0.028) compared to the TEE group. At one year, stroke and major bleeding rates did not differ between the ICE and TEE groups. A Watchmann FLX device showed high technical and procedural success rate, and ICE guidance does not appear inferior to TEE.
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