The Measurement of Lung Volumes Using Body Plethysmography: A Comparison of Methodologies.
BACKGROUND: The statement of the American Thoracic Society and European Respiratory Society on the measurement of static lung volumes (SLV) suggests a preferred and alternate method for measuring and calculating SLV. OBJECTIVE: To determine if differences in functional residual capacity (FRC), vital...
| Publicado en: | Respiratory Care Vol. 57; no. 7; pp. 1076 - 1084 |
|---|---|
| Autores principales: | , |
| Formato: | research tables/charts Journal Article |
| Publicado: |
Mary Ann Liebert, Inc.
Jul2012
|
| Acceso en línea: | Ver este registro en EBSCOhost |
| fields | @attributes: recordID: 1 pdfLink: plink: https://search.ebscohost.com/login.aspx?direct=true&db=ccm&AN=104468132&site=ehost-live header: @attributes: shortDbName: ccm uiTerm: 104468132 longDbName: CINAHL Complete uiTag: AN controlInfo: bkinfo: dissinfo: jinfo: jid: 00201324 4GG jtl: Respiratory Care issn: 00201324 maglogo: N pubinfo: dt: Jul2012 vid: 57 iid: 7 pid: 1365 pub: Mary Ann Liebert, Inc. place: New Rochelle, New York artinfo: ui: 104468132 77327012 10.4187/respcare.01444 NLM22272788 104468132 ppf: 1076 ppct: 8 formats: fmt: @attributes: type: P tig: atl: The Measurement of Lung Volumes Using Body Plethysmography: A Comparison of Methodologies. aug: au: Borg, Brigitte M. Thompson, Bruce R. affil: Department of Allergy, Immunology, and Respiratory Medicine, Alfred Hospital, Melbourne, Victoria, Australia sug: subj: Lung Volume Measurements Methods Plethysmography Human Vital Capacity Total Lung Capacity Functional Residual Capacity Random Assignment Crossover Design Australia New Zealand Spirometry Paired T-Tests Wilcoxon Signed Rank Test Descriptive Statistics Male Female Adult Middle Age Aged Confidence Intervals Lung Volume Measurements Standards Adult: 19-44 years Middle Aged: 45-64 years Aged: 65+ years Male Female ab: BACKGROUND: The statement of the American Thoracic Society and European Respiratory Society on the measurement of static lung volumes (SLV) suggests a preferred and alternate method for measuring and calculating SLV. OBJECTIVE: To determine if differences in functional residual capacity (FRC), vital capacity (VC), residual volume (RV), and total lung capacity (TLC), obtained using preferred and alternate measurement and calculation methodologies, exist in a clinical setting. METHODS: Patients attending for SLV at a hospital-based laboratory were recruited. Following spirometry, SLV was measured via body plethysmography, using the preferred and alternate methods in random order. Volumes were calculated using the preferred and alternate calculation methods. Subjects were classified according to standard ventilatory function interpretative strategies. Differences of the means between the measurement methods, and calculation methods were assessed. RESULTS: One hundred eight data sets were analyzed. Significant, but small differences (< 150 mL) in the means for VC and TLC, and RV and TLC were found in the normal and restricted groups, respectively. No significant differences in SLV parameters were found in subjects with air-flow obstruction. Twelve of the 108 changed ventilatory function classification between methods, with the alternate method delivering a lower inspiratory capacity and TLC without a change in RV in 66% of this subgroup. Identical results were obtained when data were analyzed using both calculation methods. CONCLUSIONS: Differences in FRC, VC, RV, and TLC obtained using the preferred and alternate measurement methodologies exist in the clinical setting in select classification groups and individuals. Differing calculation methods dependent on measurement method used may be unnecessary. pubtype: Academic Journal doctype: research tables/charts Journal Article ougenre: Article language: English refInfo: holdings: @attributes: islocal: N |
|---|