Manovacuometry performed by different length tracheas
DOI:
https://doi.org/10.1590/1809-2950/15614124012017Keywords:
Respiratory Muscles, Healthy Volunteers, Physical Therapy ModalitiesAbstract
Manovacuometry is a simple, fast, and non-invasive test, with maximal inspiratory pressure (MIP) and maximal expiratory pressure (MEP) obtained to assist respiratory muscle assessment. Currently, there is a wide variety of models and brands of manovacuometers with different trachea diameters and lengths. However, the interference of these models in the measurements obtained by these equipments needs to be investigated. Thus, this study mainly aimed to verify the influence of tracheal length on maximal respiratory pressures (MRP), obtained by an analog manovacuometer, in healthy individuals. Our secondary objective was to verify the correlation between measurements. Fifty individuals, aged 18 to 30, of both sexes, were evaluated by spirometry and manovacuometry. MIP and MEP were performed using tracheas with same internal diameter (0.5 cm) and 30 cm, 60 cm, and 90 cm length. Significantly lower MIP values were observed when comparing a 90 cm trachea to 30 and 60 cm tracheas (Friedman’s ANOVA test and Wilcoxon test with Bonferroni adjustment). Tracheas with 30, 60, and 90 cm length and same diameter did not affect MIP and MEP values, except the 90 cm trachea for MIP values, which may interfere in the physical therapy clinical practice. Further studies are required to analyze the need for standardizing the trachea length used in manovacuometers.Downloads
References
Cook CD, Mead J, Orzalesi MM. Static volume-pressure
characteristics of the respiratory system during maximal
efforts. J Appl Physiol. 1964;19:1016-22.
Black LF, Hyatt RE. Maximal respiratory pressures: normal
values and relationship to age and sex. Am Rev Respir Dis.
;99(5):696-702.
Parreira VF, França DC, Zampa CC, Fonseca MM, Tomich
GM, Britto RR. Pressões respiratórias máximas: valores
encontrados e preditos em indivíduos saudáveis. Rev Bras
Fisioter. 2007;5(11):361-8.
Montemezzo D, Velloso M, Britto RR, Parreira VF. Pressões
respiratórias máximas: equipamentos e procedimentos
usados por fisioterapeutas brasileiros. Fisioter Pesqui.
;17(2):147-52.
Montemezzo D, Lages AC, Tierra-Criollo CJ, Veloso M, Britto
RR, Parreira VF. Relationship between maximum mean
pressure and peak pressure obtained by digital manometer
during maximal respiratory pressure. J Resp Cardiov Phy
Ther. 2012;1(1):915.
Montemezzo D, Vieira DSR, Tierra-Criollo CJ, Britto RR,
Velloso M, Parreira VF. Influence of 4 interfaces in the
assessment of maximal respiratory pressures. Respir Care.
;57(3):392-8.
Decramer M, Scano G. Assessment of respiratory muscle
function. Eur Respir J. 1994;7:1744-5.
Onaga FI, Jamami M, Ruas G, Di Lorenzo VAP, Jamami LK.
Influência de diferentes tipos de bocais e diâmetros de
traqueias na manovacuometria. Fisioter Mov. 2010;23(2):211-9.
Bethlem N. Pneumologia. 4ª ed. São Paulo: Atheneu; 2002.
Gibson GJ. Measurement of respiratory muscle strength.
Respir Med. 1995;89:529-35.
Evans JA, Whitelaw WA. The assessment of maximal
respiratory mouth pressures in adults. Respir Care.
;54(10):1348-59.
Brunetto AF, Fregonezi GAF, Paulin E. Comparação das
medidas de pressões respiratórias máximas (PImáx,
PEmáx) aferidas através de Manuvacuômetro e Sistema de
Aquisição de dados (SAqDados). Rev Bras Ativ Fís Saúde.
;5(1):30-7.
Koulouris N, Mulvey DA, Laroche CM, Green M, Moxham
J. Comparison of two different mouthpieces for the
measurement of PImax and PEmax in normal and weak
subjects. Eur Respir J. 1988;1:863-7.
Coutinho WF. Consenso latino-americano de obesidade. Arq
Bras Endocrinol Metab. 1999;43(1):21-67.
Matsudo S, Araújo T, Matsudo V, Andrade D, Andrade E,
Oliveira LC, et al. Questionário internacional de atividade
física (IPAQ). Estudo de validade e reprodutibilidade no
Brasil. Rev Bras Ativ Fís Saúde. 2001;6(2):5-18.
Miller MR, Hankinson J, Brusasco V, Burgos F, Casaburi R,
Coates A, et al. Standardisation of spirometry. Eur Respir J.
;26(2):319-38.
Knudson RJ, Lebowitz MD, Holberg CJ, Burrows B. Changes
in the normal maximal expiratory flow-volume curve with
growth and aging. Am Rev Respir Dis. 1983;127:725-34.
Camelo JS, Terra Filho J, Manço JC. Pressões respiratórias
máximas em adultos normais. J Pneumol 1985;11(4):181-4.
Green M, Road J, Sieck GC, Similowski T. ATS/ERS Statement
on Respiratory Muscle Testing. Am J Respir Crit Care Med.
;166(4):518-624.
Sobush DC, Dunning M. Assessing maximal static ventilatory
muscle pressures using the bugle dynamometer. Suggestion
from the field. Phys Ther. 1984;64(11):1689-90.
Souza RB. Pressões respiratórias estáticas máximas. J
Pneumol. 2002;28(Suppl 3):S155-65.
Badr C, Elkins MR, Ellis ER. The effect of body position on
maximal expiratory pressure and flow. Aust J Physiother.
;48(2):95-102.
Hautmann H, Hefele S, Schotten K, Huber RM. Maximal
inspiratory mouth pressure (PIMAX) in healthy subjects: what
is the lower limit of normal? Respir Med. 2000;94:689-93.
Neder JA, Andreoni S, Castelo-Filho A, Nery LE. Reference
values for lung function tests. I. Static volumes. Braz J Med
Biol Res. 1999;32(6):703-17.
Neder JA, Andreoni S, Lerario MC, Nery LE. Reference values
for lung function tests. II. Maximal respiratory pressures and
voluntary ventilation. Braz J Med Biol Res. 1999;32(6):719-27.
Munson BR, Young DF, Okiishi TH. Fundamentos da Mecânica
dos Fluidos. 4ª ed. São Paulo: Edgar Blücher, 2004.
Aldrich T, Spiro P. Maximal inspiratory pressure: does
reproducibility indicate full effort? Thorax. 1995;50:40-3.
Rochester DF. Tests of respiratory muscle function. Clin Chest
Med. 1988;9:249-61.
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