Document Detail

Influence of caloric intake on the respiratory mode during mandatory minute volume ventilation.
MedLine Citation:
PMID:  3917394     Owner:  NLM     Status:  MEDLINE    
Mandatory minute volume ventilation has been proposed as a method for weaning patients from ventilators. The purpose of this study was to delineate the influence of caloric intake on spontaneous ventilation in patients receiving mandatory minute volume ventilation. While the value of such ventilation remained unchanged, eight patients were studied at the following three different levels of daily caloric intake: (1) level A, mean of 223 kcal/sq m; (2) level B, mean of 1,380 kcal/sq m; and (3) level C, mean of 2,100 kcal/sq m. We performed gas exchange measurements and a 24-hour recording of ventilation with a monitoring system providing distinction between spontaneous and mechanical cycles. We found that the ventilatory mode was markedly dependent upon the nutritional intake; the percentage of spontaneous ventilation over 24 hours increased from 11 +/- 7 percent (+/- SE) during diet A to 50 +/- 9 percent during diet B and 79 +/- 8 percent during diet C. This increment paralleled the increase in production of carbon dioxide with caloric intake. We suggest therefore that the patient's ability to breathe spontaneously when receiving mandatory minute volume ventilation should be interpreted according to caloric intake.
J P Laaban; F Lemaire; J F Baron; P Trunet; A Harf; J L Bonnet; B Teisseire
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Chest     Volume:  87     ISSN:  0012-3692     ISO Abbreviation:  Chest     Publication Date:  1985 Jan 
Date Detail:
Created Date:  1985-02-04     Completed Date:  1985-02-04     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  0231335     Medline TA:  Chest     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  67-72     Citation Subset:  AIM; IM    
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MeSH Terms
Blood Gas Analysis
Carbon Dioxide / physiology
Energy Intake*
Lung Diseases, Obstructive / physiopathology
Middle Aged
Oxygen Consumption
Respiration, Artificial*
Reg. No./Substance:
124-38-9/Carbon Dioxide

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