Please use this identifier to cite or link to this item: http://hdl.handle.net/2381/36198
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dc.contributor.authorGreening, Neil J.-
dc.contributor.authorHarvey-Dunstan, T. C.-
dc.contributor.authorChaplin, E. J.-
dc.contributor.authorVincent, E. E.-
dc.contributor.authorMorgan, M. D.-
dc.contributor.authorSingh, S. J.-
dc.contributor.authorSteiner, M. C.-
dc.date.accessioned2016-01-07T12:21:23Z-
dc.date.available2016-01-07T12:21:23Z-
dc.date.issued2015-10-01-
dc.identifier.citationAmerican Journal of Respiratory and Critical Care Medicine, 2015, 192 (7), pp. 810-816en
dc.identifier.issn1073-449X-
dc.identifier.urihttp://www.atsjournals.org/doi/10.1164/rccm.201503-0535OC#.Vo5WSFLw9TYen
dc.identifier.urihttp://hdl.handle.net/2381/36198-
dc.descriptionArchived on publication with reference to the Publisher's Access Policies, available at http://www.atsjournals.org/page/access-policiesen
dc.description.abstractRATIONALE: Hospitalization represents a major event for the patient with chronic respiratory disease. There is a high risk of readmission, which over the longer term may be related more closely to the underlying condition of the patient, such as skeletal muscle dysfunction. OBJECTIVES: We assessed the risk of hospital readmission at 1 year, including measures of lower limb muscle as part of a larger clinical trial. METHODS: Patients hospitalized with an exacerbation of chronic respiratory disease underwent measures of muscle function including quadriceps ultrasound. Independent factors influencing time to hospital readmission or death were identified. Patients were classified into four quartiles based on quadriceps size and compared. MEASUREMENTS AND MAIN RESULTS: One hundred and ninety-one patients (mean age, 71.6 [SD, 9.1] yr) were recruited. One hundred and thirty (68%) were either readmitted or died. Factors associated with readmission or death were age (odds ratio [OR], 1.05; 95% confidence interval [CI], 1.01-1.08; P = 0.015), Medical Research Council (MRC) dyspnea grade (OR, 4.57; 95% CI, 2.62-7.95; P < 0.001), home oxygen use (OR, 12.4; 95% CI, 4.53-33.77; P < 0.001), quadriceps (rectus femoris) cross-sectional area (Qcsa) (OR, 0.34; 95% CI, 0.17-0.65; P = 0.001), and hospitalization in the previous year (OR, 4.82; 95% CI, 2.42-9.58; P < 0.001). In the multivariate analyses, home oxygen use (OR, 4.80; 95% CI, 1.68-13.69; P = 0.003), MRC dyspnea grade (OR, 2.57; 95% CI, 1.44-4.59; P = 0.001), Qcsa (OR, 0.46; 95% CI, 0.22-0.95; P = 0.035), and previous hospitalization (OR, 3.04; 95% CI, 1.47-6.29; P = 0.003) were independently associated with readmission or death. Patients with the smallest muscle spent more days in hospital than those with largest muscle (28.1 [SD, 33.9] vs. 12.2 [SD, 23.5] d; P = 0.007). CONCLUSIONS: Smaller quadriceps muscle size, as measured by ultrasound in the acute care setting, is an independent risk factor for unscheduled readmission or death, which may have value both in clinical practice and for risk stratification.en
dc.language.isoenen
dc.publisherAmerican Thoracic Societyen
dc.relation.urihttp://www.ncbi.nlm.nih.gov/pubmed/26068143-
dc.rightsCopyright © 2015 by the American Thoracic Society. Originally Published in: Neil J. Greening, Theresa C. Harvey-Dunstan, Emma J. Chaplin, Emma E. Vincent, Mike D. Morgan, Sally J. Singh, and Michael C. Steiner "Bedside Assessment of Quadriceps Muscle by Ultrasound after Admission for Acute Exacerbations of Chronic Respiratory Disease", American Journal of Respiratory and Critical Care Medicine, Vol. 192, No. 7 (2015), pp. 810-816. The final publication is available at dx.doi.org/10.1164/rccm.201503-0535OCen
dc.subjectchronic obstructive pulmonary diseaseen
dc.subjectfrail elderlyen
dc.subjectrisk factorsen
dc.subjectskeletal muscleen
dc.subjectultrasonographyen
dc.titleBedside assessment of quadriceps muscle by ultrasound after admission for acute exacerbations of chronic respiratory diseaseen
dc.typeJournal Articleen
dc.identifier.doi10.1164/rccm.201503-0535OC-
dc.identifier.eissn1535-4970-
dc.description.statusPeer-revieweden
dc.description.versionPost-printen
dc.type.subtypeJournal Article;Research Support, Non-U.S. Gov't-
pubs.organisational-group/Organisationen
pubs.organisational-group/Organisation/COLLEGE OF MEDICINE, BIOLOGICAL SCIENCES AND PSYCHOLOGYen
pubs.organisational-group/Organisation/COLLEGE OF MEDICINE, BIOLOGICAL SCIENCES AND PSYCHOLOGY/School of Medicineen
pubs.organisational-group/Organisation/COLLEGE OF MEDICINE, BIOLOGICAL SCIENCES AND PSYCHOLOGY/School of Medicine/Department of Infection, Immunity and Inflammationen
Appears in Collections:Published Articles, Dept. of Infection, Immunity and Inflammation

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