Are physical measures related to patient-centred outcomes in ARDS survivors?

Kitty S. Chan, Lisa Aronson Friedman, Victor D. Dinglas, Catherine L. Hough, Carl Shanholtz, E. Wesley Ely, Peter E. Morris, Pedro A. Mendez-Tellez, James C. Jackson, Ramona O. Hopkins, Dale M. Needham

Research output: Contribution to journalArticlepeer-review

Abstract

Objective To inform selection of physical measures for studies of acute respiratory distress syndrome (ARDS) survivors within 12 months of ARDS. Methods Secondary analysis of data from 6-month survivors participating in a US multicentre prospective study (ARDSNet Long-Term Outcome Study, N=134) or a multisite prospective study in Baltimore, Maryland, USA (Improving Care of Acute Lung Injury Patients, N=99). Physical measures, assessed at 6-month follow-up, were categorised according to the WHO's International Classification of Disability and Health: body functions and structures, activity and participation. Patient-centred outcomes were evaluated at 6 and 12 months: survival, hospitalisation, alive at home status and health-related quality of life. Pearson correlation, linear and logistic regression models were used to quantify associations of physical measures with patient-centred outcomes. Main results No 6-month body functions and structures measure demonstrated consistent association with 6-month or 12-month outcomes in multivariable regression. The 6 min walk test, an activity measure, was associated with 6-month Short-Form 36 (SF-36) physical component scores (PCS, β range: 0.99 to 1.52, p<0.05). Participation measures (Functional Performance Inventory, FPI; Instrumental Activities of Daily Living, IADLs) were associated with SF-36 PCS (β range: FPI, 1.51-1.52; IADL, -1.88 to -1.32; all p<0.05) and Euro-QOL-5D utility score (β range: FPI, 2.00-3.67; IADL, -2.89 to -2.50; all p<0.01) at 6 and 12 months. Conclusions Participation measures better reflect patient's quality of life than measures of body functions and structures within 12 months of ARDS among 6-month survivors, and are recommended for inclusion as a core measure in future studies.

Original languageEnglish (US)
Pages (from-to)884-892
Number of pages9
JournalThorax
Volume72
Issue number10
DOIs
StatePublished - Oct 1 2017

Keywords

  • ARDS

ASJC Scopus subject areas

  • Pulmonary and Respiratory Medicine

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