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Transesophageal probe placement increases endotracheal tube cuff pressure but is not associated with postoperative extubation failure after congenital cardiac surgery.
Transesophageal probe placement increases endotracheal tube cuff pressure but is not associated with postoperative extubation failure after congenital cardiac surgery. Annals of cardiac anaesthesia Pan, S. J., Frabitore, S. Z., Ingram, A. R., Nguyen, K. N., Adams, P. S. 2020; 23 (4): 447-452Abstract
The concomitant use of cuffed endotracheal tubes (ETT) and transesophageal echocardiography (TEE) probes increases ETT cuff pressures (CP), which may contribute to mucosal ischemia and perioperative complications such as failed extubation.To assess changes in ETT CP after TEE insertion in patients of different age groups undergoing congenital heart surgery and examine the relationship between ETT CP and postoperative extubation failure.Single-center quality improvement project.ETT CP was measured with a manometer following intubation and again after TEE insertion. Tracheal perfusion pressure was then calculated and postoperative extubation failures were recorded.Chi-square testing, Fisher's-exact testing, one-way analysis of variance testing or Kruskal-Wallis testing with Dunn's pairwise, and student's t-test or Wilcoxon rank-sum testing were used to analyze the data.Median ETT CP increased significantly after TEE insertion in each age group, with infants showing a smaller magnitude of increase (+2 [1-6] cm H2O, P < 0.001) than adults (+12 [8-14] cm H2O, P = 0.008) (intergroup comparison P = 0.002). Five patients (9%) failed extubation, all of which were infants. Within the infant subgroup, no significant difference existed between failed vs successful extubation regarding ETT CP during bypass (15 ± 1 vs 16 ± 2 mmHg, P = 0.206) or tracheal perfusion pressure pre-bypass (34 ± 9 vs 38 ± 11 mmHg, P = 0.518), during bypass (20 ± 9 vs 22 ± 6 mmHg, P = 0.697), or post-bypass (42 ± 9 vs 41 ± 9 mmHg, P = 0.923). There was a significant difference in cardiopulmonary bypass duration (151 ± 29 vs 85 ± 32 min, P < 0.001).Factors beyond intraoperative ETT CP likely play a larger role in postoperative extubation failure.
View details for DOI 10.4103/aca.ACA_143_19
View details for PubMedID 33109802
View details for PubMedCentralID PMC7879897