Evaluation of microleakage due to cuffs of endotracheal tubes during positive end-expiratory pressure ventilation.

Y. P. Wang, P. Y. Tu, Y. F. Cheung, T. L. Chen, S. Y. Lin, C. C. Chao

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Mallinkrodt tubes (internal diameter 8.0 mm) with high residual volume and low pressure cuffs were used to evaluate the influence of positive end-expiratory pressure (PEEP) on leakage from cuffed endotracheal tubes. A thin smooth epidural catheter (Portex) was placed immediately above the cuff to monitor visually whether methylene blue dye solution (2-3 ml) passed through the cuff and stained the trachea. One hundred male patients undergoing elective orthopedic surgical procedures were randomly divided into five groups: a control group and groups using 2.5, 5.0, 7.5, and 10 cm H2O of PEEP during nitrous oxide-oxygen-isoflurane anesthesia. The cuff pressure was set to 25 cm H2O in each group. The cuff pressure was recalibrated and evidence of staining below the cuff was sought with a fiberscope every twenty minutes for a total of three times. Leakage increased with PEEP level but the amount was not statistically significant and the difference between groups was not significant.

Original languageEnglish
Pages (from-to)39-42
Number of pages4
JournalActa Anaesthesiologica Sinica
Volume27
Issue number1
Publication statusPublished - Mar 1989
Externally publishedYes

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Positive-Pressure Respiration
Pressure
Elective Surgical Procedures
Orthopedic Procedures
Residual Volume
Methylene Blue
Isoflurane
Nitrous Oxide
Trachea
Catheters
Anesthesia
Staining and Labeling
Oxygen
Control Groups

ASJC Scopus subject areas

  • Anesthesiology and Pain Medicine

Cite this

Evaluation of microleakage due to cuffs of endotracheal tubes during positive end-expiratory pressure ventilation. / Wang, Y. P.; Tu, P. Y.; Cheung, Y. F.; Chen, T. L.; Lin, S. Y.; Chao, C. C.

In: Acta Anaesthesiologica Sinica, Vol. 27, No. 1, 03.1989, p. 39-42.

Research output: Contribution to journalArticle

Wang, Y. P. ; Tu, P. Y. ; Cheung, Y. F. ; Chen, T. L. ; Lin, S. Y. ; Chao, C. C. / Evaluation of microleakage due to cuffs of endotracheal tubes during positive end-expiratory pressure ventilation. In: Acta Anaesthesiologica Sinica. 1989 ; Vol. 27, No. 1. pp. 39-42.
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