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Titre du document / Document title

Comparison between tube compensation and pressure support ventilation techniques on respiratory mechanics

Auteur(s) / Author(s)

SASAKI C. (1) ; HOSHI K. (1) ; WAGATSUMA T. (1) ; EJIMA Y. (1) ; HASEGAWA R. (1) ; MATSUKAWA S. (1) ;

Affiliation(s) du ou des auteurs / Author(s) Affiliation(s)

(1) Department of Intensive Care Medicine, Tohoku University Hospital, Sendai City, JAPON

Résumé / Abstract

In the intubated patient, the presence of an endotracheal tube increases the work of breathing during spontaneous breathing. The tube compensation technique was developed as a new ventilator mode that can compensate for that additional the work of breathing. We investigated the respiratory parameters during the pressure support ventilation 0, 5, 10 cmH2O and tube compensation 100% modes of the Puritan Bennett 840 ventilator in ten postoperative patients who had undergone radical surgery for oesophageal cancer. Measurements were performed just before extubation. The tidal volume, respiratory rate and other respiratory parameters were measured with a Ventrak respiratory monitor, and the duty ratio, mean inspiratory flow, and rapid shallow breathing index were calculated. In particular, we performed a comparison between pressure support ventilation 5 cmH2O and tube compensation 100%, because pressure support ventilation 5 cmH2O is the usual ventilating mode before the extubation in our intensive care unit. The tidal volume of pressure support ventilation 10 cmH2O was significantly larger and the respiratory rate was significantly lower than the other three modes. There was no significant difference in the minute volume, tidal volume, and respiratory rate between pressure support ventilation 5 cmH2O and tube compensation 100%. The duty ratio of pressure support ventilation 10 cmH2O was significantly smaller than the other three modes. There was no significant difference in the duty ratio and rapid shallow breathing index between pressure support ventilation 5 cmH2O and tube compensation 100%. It was concluded that the assist levels of pressure support ventilation 5 cmH2O and tube compensation 100% were almost equal for clinical purposes.

Revue / Journal Title

Anaesthesia and intensive care    ISSN  0310-057X   CODEN AINCBS 

Source / Source

2003, vol. 31, no4, pp. 371-375 [5 page(s) (article)] (13 ref.)

Langue / Language

Anglais

Editeur / Publisher

Anaesthesia Society of Anaesthetists, Edgecliff, AUSTRALIE  (1972) (Revue)

Mots-clés anglais / English Keywords

Artificial ventilation

;

Intensive care

;

Technique

;

Positive pressure

;

Cuffed tube

;

Comparative study

;

Mechanic of breathing

;

Compensation

;

Human

;

Trachea

;

Intubation

;

Respiratory support

;

Mots-clés français / French Keywords

Ventilation artificielle

;

Soin intensif

;

Technique

;

Pression positive

;

Sonde ballonnet

;

Etude comparative

;

Mécanique ventilatoire

;

Compensation

;

Homme

;

Trachée

;

Intubation

;

Assistance respiratoire

;

Mots-clés espagnols / Spanish Keywords

Ventilación artificial

;

Cuidado intensivo

;

Técnica

;

Presión positiva

;

Sonda en oliva

;

Estudio comparativo

;

Mecánica ventilatoria

;

Compensación

;

Hombre

;

Tráquea

;

Intubación

;

Asistencia respiratoria

;

Mots-clés d'auteur / Author Keywords

VENTILATION: pressure support

;

tube compensation

;

Localisation / Location

INIST-CNRS, Cote INIST : 17481, 35400011273852.0040

Nº notice refdoc (ud4) : 15066949



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