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ECHOCARDIOGRAPHIC CHARACTERIZATION OF THE INFERIOR VENA CAVA IN TRAINED AND UNTRAINED FEMALES
Linköping University, Department of Medical and Health Sciences. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Heart and Medicine Center, Department of Clinical Physiology in Linköping.ORCID iD: 0000-0002-3751-7180
Linköping University, Department of Medical and Health Sciences, Division of Cardiovascular Medicine. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Heart and Medicine Center, Department of Clinical Physiology in Linköping. Linköping University, Center for Medical Image Science and Visualization (CMIV).
Karolinska Institute, Sweden.
Linköping University, Department of Medical and Health Sciences, Division of Cardiovascular Medicine. Linköping University, Faculty of Medicine and Health Sciences. County Hospital Ryhov, Sweden.
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2016 (English)In: Ultrasound in Medicine and Biology, ISSN 0301-5629, E-ISSN 1879-291X, Vol. 42, no 12, p. 2794-2802Article in journal (Refereed) Published
Abstract [en]

The aim of the study was to explore the long-and short-axis dimensions, shape and collapsibility of the inferior vena cava in 46 trained and 48 untrained females (mean age: 21 +/- 2 y). Echocardiography in the subcostal view revealed a larger expiratory long-axis diameter (mean: 24 +/- 3 vs. 20 +/- 3 mm, p amp;lt; 0.001) and short-axis area (mean: 5.5 +/- 1.5 vs. 4.7 +/- 1.4 cm(2), p = 0.014) in trained females. IVC shape (the ratio of short-axis major to minor diameters) and the relative decrease in IVC dimension with inspiration were similar for the two groups. The IVC long-axis diameter reflected short-axis minor diameter and was correlated to maximal oxygen uptake (r = 0.52, p amp;lt; 0.01). In summary, the results indicate that trained females have a larger IVC similar in shape and respiratory decrease in dimensions to that of untrained females. The long-axis diameter corresponded closely to short-axis minor diameter and, thus, underestimates maximal IVC diameter. (E-mail: kristofer.hedman@liu.se) (C) 2016 The Authors. Published by Elsevier Inc. on behalf of World Federation for Ultrasound in Medicine amp; Biology.

Place, publisher, year, edition, pages
ELSEVIER SCIENCE INC , 2016. Vol. 42, no 12, p. 2794-2802
Keywords [en]
Inferior vena cava; Echocardiography; Athletes heart; Exercise training; Sports cardiology; Maximal oxygen uptake
National Category
Radiology, Nuclear Medicine and Medical Imaging
Identifiers
URN: urn:nbn:se:liu:diva-133749DOI: 10.1016/j.ultrasmedbio.2016.07.003ISI: 000389549300008PubMedID: 27623502OAI: oai:DiVA.org:liu-133749DiVA, id: diva2:1063814
Note

Funding Agencies|ALF Grants, County Council of Ostergotland; Lansforsakringsbolagen Research Foundation, Sweden

Available from: 2017-01-11 Created: 2017-01-09 Last updated: 2019-08-28

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Hedman, KristoferNylander, EvaBjarnegård, NiclasBrudin, LarsTamas, Eva
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Department of Medical and Health SciencesFaculty of Medicine and Health SciencesDepartment of Clinical Physiology in LinköpingDivision of Cardiovascular MedicineCenter for Medical Image Science and Visualization (CMIV)Department of Thoracic and Vascular Surgery
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