Adjustable inspiratory occlusion valve in experimental bronchopleural fistula. A new therapeutic perspective

Acta Cirurgica Brasileira

Maria Gabriela Cavicchia Toneloto¹  Marcos Mello Moreira¹  Joaquim Murray Bustorff-silva¹  Gabriel Franco De Souza¹  Luiz Claudio Martins¹  Desanka Dragosavac¹  Antonio Luis Eiras Falcão¹ 

关键词: Fistula;    Respiration;    Artificial;    Capnography;    Models;    Animal;    Swine;   

DOI  :  10.1590/S0102-865020150080000007

来源: SciELO

【 摘 要 】

PURPOSE: To assess the efficacy of an adjustable inspiratory occlusion valve in experimental bronchopleural fistula during mechanical ventilation.METHODS:We studied six mechanically ventilated pigs in a surgically created, reproducible model of bronchopleural fistula managed with mechanical ventilation and water-sealed thoracic drainage. An adjustable inspiratory occlusion valve was placed between the thoracic drain and the endotracheal tube. Hemodynamic data, capnography and blood gases were recorded before and after the creation of the bronchopleural fistula as well as after every adjustment of the inspiratory occlusion valve.RESULTS:When compared with the standard water-sealed drainage treatment, the use of an adjustable inspiratory occlusion valve improved the alveolar tidal volume and reduced bronchopleural air leak (p<0.001), without hemodynamic compromise when compared with conventional water sealed drainage.CONCLUSION: The use of an adjustable inspiratory occlusion valve improved the alveolar tidal volume, reduced alveolar leak, in an experimental reproducible model of bronchopleural fistula, without causing any hemodynamic derangements when compared with conventional water sealed drainage.

【 授权许可】

CC BY   
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