Concordance between the Piko - 1 portable device and pneumotachography in measuring PEF and FEV(1) in asthmatic children.

Abstract:

OBJECTIVE:To assess concordance in the measurement of peak expiratory flow (PEF) and forced expiratory volume ino ne second (FEV(1)) between the portable device Piko-1 (Ferraris) and a pneumotachograph. PATIENTS AND METHODS:Forced spirometry (Master Screen Jaeger) was performed according to ATS/ERS norms, selecting the best value of three curves, and three measurements with the Piko-1 were recorded the recommendations of the manufacturer. RESULTS:Eighty patients between 5-18 years of age were studied. Based on the Bland-Altman method, the mean differences obtained were 9.82 (95%Cl: 2.43-17.21) for PEF and 0.17 (95%CL: 0.12-0.21 for FEV(1). The intraclass correlation coefficient was 0.96 (p <0,001; 95%Cl: 0.93-0.97) for PEV(1) and 0.93 (p<0,0001; 95%Cl: 0.89-0.95) for PEF. CONCLUSIONS:Piko-1 offers FEV(1) measurements close to those obtained with forced spirometry, thus allowing more exact patient assessment in home-based follow-up emergency services, or hospital wards.

authors

Aguilar-Fernández AJ,Villa-Asensi JR,Castro-Codesal M,Almería-Gil E,González-Alvarez MI,Romero-Andújar F

doi

10.1016/j.aller.2009.03.004

subject

Has Abstract

pub_date

2009-09-01 00:00:00

pages

244-8

issue

5

eissn

0301-0546

issn

1578-1267

pii

S0301-0546(09)00031-7

journal_volume

37

pub_type

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