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CLINICAL INVESTIGATION
Year : 2015  |  Volume : 59  |  Issue : 2  |  Page : 85-88

Use of Microcuff ® endotracheal tubes in paediatric laparoscopic surgeries


1 Department of Anaesthesiology, T. N. M. C. and B. Y. L. Nair Charitable Hospital, Mumbai, Maharashtra, India
2 Department of Anaesthesiology, Seth GS Medical College and KEM Hospital, Mumbai, Maharashtra, India

Correspondence Address:
Dr. Nandini Dave
C 303, Presidential Towers, LBS Marg, Ghatkopar West, Mumbai - 400 086, Maharashtra
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0019-5049.151367

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Background and Aims: Traditionally, uncuffed endotracheal tubes have been used in children. Cuffed tubes may be useful in special situations like laparoscopy. Microcuff ® endotracheal tube is a specifically designed cuffed endotracheal tube for the paediatric airway. We studied the appropriateness of Microcuff ® tube size selection, efficacy of ventilation, and complications, in children undergoing laparoscopy. Methods: In a prospective, observational study, 100 children undergoing elective laparoscopy were intubated with Microcuff ® tube as per recommended size. We studied appropriateness of size selection, sealing pressure, ability to ventilate with low flow, quality of capnography and post-extubation laryngospasm or stridor. Results: Mean age of the patients was 5.44 years (range 8 months 5 days-9 years 11 months). There was no resistance for tube passage during intubation in any patient. Leak on intermittent positive pressure ventilation at airway pressure ≤20 cm H 2 O was present in all patients. Mean sealing pressure was 11.72 (1.9 standard deviation [SD]) cm H 2 O. With the creation of pnemoperitoneum, mean intracuff pressure increased to 12.48 (3.12 SD) cm H 2 O. With head low positioning, mean cuff pressure recorded was 13.32 (2.92 SD). Ventilation at low flow (mean flow 1 L/min), plateau-type capnography was noted in all patients. Mean duration of intubation was 83.50 min. Coughing at extubation occurred in 6 patients. Partial laryngospasm occurred in 4 patients, which responded to continuous positive airway pressure via face mask. Severe laryngospasm or stridor was not seen in any patient. Conclusion: Microcuff ® tubes can be safely used in children if size selection recommendations are followed and cuff pressure is strictly monitored. Advantages are better airway seal and effective ventilation, permitting use of low flows.


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