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Lung function before and two days after open-heart surgery
Physiotherapy, Department of Neuroscience, Uppsala University, Uppsala, Sweden.
Örebro University, School of Health and Medical Sciences, Örebro University, Sweden. Clinical Physiology, Department of Medical Sciences, Uppsala University, Uppsala, Sweden.
Clinical Physiology, Department of Medical Sciences, Uppsala University, Uppsala, Sweden.
Respiratory Medicine and Allergology, Department of Medical Sciences, Uppsala University, Uppsala, Sweden.
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2012 (English)In: Critical Care Research and Practice, ISSN 2090-1305, E-ISSN 2090-1313, Vol. 2012, article id 291628Article in journal (Refereed) Published
Abstract [en]

Reduced lung volumes and atelectasis are common after open-heart surgery, and pronounced restrictive lung volume impairment has been found. The aim of this study was to investigate factors influencing lung volumes on the second postoperative day. Open-heart surgery patients (n = 107, 68 yrs, 80% male) performed spirometry both before surgery and on the second postoperative day. The factors influencing postoperative lung volumes and decrease in lung volumes were investigated with univariate and multivariate analyses. Associations between pain (measured by numeric rating scale) and decrease in postoperative lung volumes were calculated with Spearman rank correlation test. Lung volumes decreased by 50% and were less than 40% of the predictive values postoperatively. Patients with BMI >25 had lower postoperative inspiratory capacity (IC) (33 ± 14% pred.) than normal-weight patients (39 ± 15% pred.), (P = 0.04). More pain during mobilisation was associated with higher decreases in postoperative lung volumes (VC: r = 0.33, P = 0.001; FEV(1): r = 0.35, P ≤ 0.0001; IC: r = 0.25, P = 0.01). Patients with high BMI are a risk group for decreased postoperative lung volumes and should therefore receive extra attention during postoperative care. As pain is related to a larger decrease in postoperative lung volumes, optimal pain relief for the patients should be identified.

Place, publisher, year, edition, pages
New York, USA: Hindawi Publishing Corporation, 2012. Vol. 2012, article id 291628
National Category
Medical and Health Sciences Physiotherapy
Research subject
Medicine
Identifiers
URN: urn:nbn:se:oru:diva-27089DOI: 10.1155/2012/291628PubMedID: 22924127Scopus ID: 2-s2.0-84866262278OAI: oai:DiVA.org:oru-27089DiVA, id: diva2:601397
Available from: 2013-01-29 Created: 2013-01-29 Last updated: 2017-12-06Bibliographically approved

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Westerdahl, Elisabeth

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