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Supraglottic airway versus endotracheal tube for transesophageal echocardiography guided watchman procedures


Albany Medical Center, 43 New Scotland Avenue, Albany-, United States

Correspondence Address:
Sridhar Reddy Musuku
Albany Medical Center, 43 New Scotland Avenue, Albany, 12208 NY
United States
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/aca.ACA_201_20

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Year : 2021  |  Volume : 24  |  Issue : 3  |  Page : 345-352

 

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Context: Atrial fibrillation (AF) is the most common arrhythmia in adults. For over 90% of non-valvular AF patients, the left atrial appendage is the primary site of thrombus formation. Left atrial appendage occlusion using the FDA-approved Watchman™ device has been shown to have better clinical outcomes with minimal post-procedural complications when compared to warfarin therapy for patients with contraindications to anticoagulation. Traditionally, this procedure requires an endotracheal tube (ETT) to facilitate transesophageal echocardiography (TEE) guidance. However, recently supraglottic airway (SGA) has emerged as a feasible, non-inferior alternative to ETT for procedures requiring TEE. Aims: Compare outcomes between TEE guided Watchman™ procedures performed with a SGA versus ETT. Settings and Design: A single tertiary care academic medical center. Methods and Materials: Retrospective Observational Study comparing SGA and ETT patients. Statistical Analysis Used: 1:4 propensity score matching of SGA and ETT patients. Results: 42 SGA patients were matched with 155 ETT patients. All patients underwent procedure with TEE. SGA patients had shorter operating room time (11 min difference, P = 0.00001) and considerably shorter PACU length of stays (45 min difference, P = 0.024). Statistically significant, but clinically trivial differences were seen in procedure times (P = 0.015) and fluoroscopy times (P = 0.017). Patients in the SGA group received lower fentanyl (P < 0.00001) dosages. No significant differences were observed in postoperative complications, organ-specific morbidity or 30-day mortality. Conclusions: General anesthesia with SGA is likely a safe, feasible alternative to ETT in Watchman™ procedures requiring TEE guidance. Use of SGA was associated with significant reductions in operating room time and PACU length of stay, potentially offering advantages in terms of resource utilization.






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Albany Medical Center, 43 New Scotland Avenue, Albany-, United States

Correspondence Address:
Sridhar Reddy Musuku
Albany Medical Center, 43 New Scotland Avenue, Albany, 12208 NY
United States
Login to access the Email id

Source of Support: None, Conflict of Interest: None


DOI: 10.4103/aca.ACA_201_20

Rights and Permissions

Context: Atrial fibrillation (AF) is the most common arrhythmia in adults. For over 90% of non-valvular AF patients, the left atrial appendage is the primary site of thrombus formation. Left atrial appendage occlusion using the FDA-approved Watchman™ device has been shown to have better clinical outcomes with minimal post-procedural complications when compared to warfarin therapy for patients with contraindications to anticoagulation. Traditionally, this procedure requires an endotracheal tube (ETT) to facilitate transesophageal echocardiography (TEE) guidance. However, recently supraglottic airway (SGA) has emerged as a feasible, non-inferior alternative to ETT for procedures requiring TEE. Aims: Compare outcomes between TEE guided Watchman™ procedures performed with a SGA versus ETT. Settings and Design: A single tertiary care academic medical center. Methods and Materials: Retrospective Observational Study comparing SGA and ETT patients. Statistical Analysis Used: 1:4 propensity score matching of SGA and ETT patients. Results: 42 SGA patients were matched with 155 ETT patients. All patients underwent procedure with TEE. SGA patients had shorter operating room time (11 min difference, P = 0.00001) and considerably shorter PACU length of stays (45 min difference, P = 0.024). Statistically significant, but clinically trivial differences were seen in procedure times (P = 0.015) and fluoroscopy times (P = 0.017). Patients in the SGA group received lower fentanyl (P < 0.00001) dosages. No significant differences were observed in postoperative complications, organ-specific morbidity or 30-day mortality. Conclusions: General anesthesia with SGA is likely a safe, feasible alternative to ETT in Watchman™ procedures requiring TEE guidance. Use of SGA was associated with significant reductions in operating room time and PACU length of stay, potentially offering advantages in terms of resource utilization.






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