| Cardiopulmonary response to exercise and cardiac assessment in patients with turner syndrome. | |
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MedLine Citation:
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PMID: 21419888 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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Turner syndrome (TS) is a chromosomal disorder; however, little is known about the exercise tolerance of patients with this syndrome. The aim of the present study was to measure the maximal aerobic capacity and cardiac function using cardiopulmonary exercise testing and lung function tests and to evaluate the cardiac parameters using echocardiography in patients with TS and control subjects. A total of 50 women with TS (mean age 21.3 ± 8.5 years) and 56 age-matched controls (mean age 21.1 ± 3.7 years) were enrolled from the Pediatric Department of "Sapienza" University of Rome and underwent cardiopulmonary exercise testing, lung function testing, and echocardiography. The maximal oxygen uptake was lower in the patients with TS than in the controls (28.4 ± 4.0 vs 35.6 ± 6.2 ml/min/kg; p <0.0001). Also, the forced expiratory volume in 1 second, expressed as a percentage of the predicted value, was greater in the patients with TS than in the controls (116.2 ± 15.2% vs 102.8 ± 4.8%, p <0.0001). The patients with TS had a smaller left ventricle than did the controls. Tissue Doppler imaging revealed subclinical systolic and diastolic dysfunction in the left ventricle in those with TS but not in the controls. The left ventricular mass index was greater in the patients with TS than in the controls (38.6 ± 9.3 vs 27.2 ± 4.5 g/m(2.7), p <0.0001). In conclusion, the patients with TS had a lower maximal aerobic capacity and exercise tolerance than did the controls. The anatomic and functional cardiac aspects were peculiar to those with TS and might represent a specific cardiac phenotype. |
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Authors:
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Giancarlo Tancredi; Paolo Versacci; Anna Maria Pasquino; Anna Chiara Vittucci; Ida Pucarelli; Marco Cappa; Corrado Di Mambro; Bruno Marino |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: The American journal of cardiology Volume: 107 ISSN: 1879-1913 ISO Abbreviation: Am. J. Cardiol. Publication Date: 2011 Apr |
Date Detail:
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Created Date: 2011-03-22 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0207277 Medline TA: Am J Cardiol Country: United States |
Other Details:
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Languages: eng Pagination: 1076-82 Citation Subset: AIM; IM |
Copyright Information:
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Copyright © 2011. Published by Elsevier Inc. |
Affiliation:
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Department of Pediatrics, "Sapienza" University of Rome, Rome, Italy. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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