| Relationship between exercise test recovery indices and psychological and quality-of-life status in hemodialysis patients: a pilot study. | |
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MedLine Citation:
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PMID: 22711435 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Background: The aim of this study was to correlate the psychological and health-related quality-of-life status of hemodialysis (HD) patients with recovery indices following maximal and submaximal exercise tests. Methods: Twenty patients on HD (aged 53.5 ± 12.9 years) and 18 healthy individuals (aged 54.1 ± 10.2 years) underwent a maximal and a submaximal cardiopulmonary test (CPETmax and CPETsubmax). Heart rate recovery (HRrec) 1 minute after exercise and time for VO2 to decrease by half (T1/2VO2) were determined. All subjects also completed 3 questionnaires: (a) the Beck Depression Inventory (BDI), (b) Quality of Life Index (QLI)-Spitzer Index and (c) SF-36 physical and mental component summary scales. Results: HRrec after maximal (p=0.029) and submaximal test (p=0.041) was found to be lower in patients compared with healthy individuals. T1/2VO2 was raised by 29% (p=0.003) in patients compared with controls. Moreover, a significantly higher BDI (by 133.7%), lower SF-36 physical (by 47.8%) and mental (by 42.9%) component summary score and lower QLI (by 32.1%) results were found in HD patients compared with controls. BDI (p=0.045), QLI (P=0.011), SF-36 physical (p=0.017) and mental component scales (p=0.021) were independently associated with HRrec in maximal tests in patients. Similar correlations remained for submaximal tests among HRrec and BDI (p=0.004), QLI (p=0.006), SF-36 physical (p=0.048) but not mental scales (p=0.369) in the patients' group. T1/2VO2 also correlated to BDI (p=0.019), QLI (p=0.005) and SF-36 mental scale (p=0.017) in maximal tests in these patients. In contrast, there was a correlation between HRrec and BDI (p=0.004) in the control group for maximal tests only. Conclusions: In conclusion, in HD patients, recovery indices following maximal and submaximal exercise tests were shown to provide useful indications of the patients' psychological and quality-of-life profiles. |
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Authors:
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Anastasia P Samara; Evangelia Kouidi; Stavroula Ouzouni; Stylianos Vasileiou; Athanasios Sioulis; Asterios Deligiannis |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-6-15 |
Journal Detail:
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Title: Journal of nephrology Volume: - ISSN: 1724-6059 ISO Abbreviation: - Publication Date: 2012 Jun |
Date Detail:
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Created Date: 2012-6-19 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9012268 Medline TA: J Nephrol Country: - |
Other Details:
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Languages: ENG Pagination: 0 Citation Subset: - |
Affiliation:
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Sports Medicine Laboratory, Department of Physical Education and Sports Science, Aristotle University of Thessaloniki, Thessaloniki - Greece. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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