Maximal sniff mouth pressure compared with maximal inspiratory pressure in acute respiratory failure

Details

Serval ID
serval:BIB_B3BC570E91AA
Type
Article: article from journal or magazin.
Collection
Publications
Institution
Title
Maximal sniff mouth pressure compared with maximal inspiratory pressure in acute respiratory failure
Journal
Chest
Author(s)
Heritier  F., Perret  C., Fitting  J. W.
ISSN
0012-3692 (Print)
Publication state
Published
Issued date
07/1991
Volume
100
Number
1
Pages
175-8
Notes
Journal Article --- Old month value: Jul
Abstract
Inspiratory muscle strength most often is better reflected by sniff Pes than PImax against occlusion. Furthermore, sniff Pes can be estimated noninvasively by the measurement of sniff Pmo in normal subjects and in patients with respiratory muscle weakness. The aim of this study was to compare sniff Pmo and P.PImax to assess inspiratory muscle strength in patients with acute respiratory failure. The highest pressure was produced by P.PImax in 61 percent of measurements, and by sniff Pmo in 39 percent. Above 35 cm H2O P.PImax yielded the highest pressure in 55 percent of cases and the ratio sniff Pmo/P.PImax was 1.20 +/- 0.54. Below 35 cm H2O, P.PImax yielded the highest pressure in 75 percent of cases and the ratio sniff Pmo/P.PImax was 0.76 +/- 0.35 (p less than 0.02). Thus, measurements of sniff Pmo and P.PImax complement one another for assessing inspiratory muscle strength. However, sniff Pmo underestimates inspiratory muscle strength in patients with severe inspiratory muscle weakness.
Keywords
Acute Disease Adult Aged Female Heart Failure, Congestive/physiopathology Humans Lung Diseases, Obstructive/physiopathology Male Middle Aged Mouth/physiology Polyradiculoneuropathy/physiopathology Pressure *Pulmonary Ventilation Respiratory Distress Syndrome, Adult/physiopathology Respiratory Insufficiency/etiology/*physiopathology Respiratory Muscles/physiopathology
Pubmed
Web of science
Create date
25/01/2008 9:43
Last modification date
20/08/2019 15:22
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