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Intensive Care Medicine
Published in: Intensive Care Medicine 2/2007

01-02-2007 | Pediatric Original

Acceptable respiratory physiologic limits for children during weaning from mechanical ventilation

Authors: Miriam Santschi, France Gauvin, Georges Hatzakis, Jacques Lacroix, Philippe Jouvet

Published in: Intensive Care Medicine | Issue 2/2007

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Abstract

Objective

The aim of this survey was to characterize the physiological limits considered appropriate during weaning from mechanical ventilation in children.

Design

Two hundred twenty-two (222) intensivists from 63 pediatric intensive care units (PICUs) were asked to provide the limits they considered acceptable for respiratory rate (RR), tidal volume (VT) and end-tidal CO2 (PetCO2) during weaning from mechanical ventilation of a 3-month-old, a 2-year-old and a 10-year-old patient.

Setting

Pediatric intensivists working in Canada, France, Switzerland and Belgium.

Patients

None.

Interventions

None.

Results

Ninety-seven intensivists (43%) from 49 PICUs responded to the survey. The median minimal RR (25th;75th percentile) was: 20 breaths per minute (bpm) (15;25) for the 3-month-old, 15 bpm (10;15) for the 2-year-old and 10 bpm (10;15) for the 10-year-old patient. The median maximal RR was 50 bpm (40;60) for the 3-month-old, 40 bpm (30;40) for the 2-year-old and 30 bpm (30;40) for the 10-year-old child. The median minimal VT was 5 ml/kg (4;6) for the 3-month-old and 2-year-old patients and 5 ml/kg (5;6) for the 10-year-old. The median maximal PetCO2 was 55 mmHg (50;60) for the 3-month-old, 50 mmHg (45;50) for the 2-year-old and 50 mmHg (50;55) for the 10-year-old.

Conclusion

This survey indicated that acceptable weaning limits are broad, as stated by the responders. We need to organize and consolidate our thinking on weaning children from mechanical ventilation before guidelines can be established.
Appendix
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Metadata
Title
Acceptable respiratory physiologic limits for children during weaning from mechanical ventilation
Authors
Miriam Santschi
France Gauvin
Georges Hatzakis
Jacques Lacroix
Philippe Jouvet
Publication date
01-02-2007
Publisher
Springer-Verlag
Published in
Intensive Care Medicine / Issue 2/2007
Print ISSN: 0342-4642
Electronic ISSN: 1432-1238
DOI
https://doi.org/10.1007/s00134-006-0414-0

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