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Effect of postural ...
Effect of postural changes on cardiovascular parameters across gender
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- Patel, Kieran (författare)
- Medical University of Graz, Austria; Kings Coll London, England
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- Roessler, Andreas (författare)
- Medical University of Graz, Austria
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- Karl Lackner, Helmut (författare)
- Medical University of Graz, Austria
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- Trozic, Irhad (författare)
- Medical University of Graz, Austria
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- Laing, Charles (författare)
- Kings Coll London, England; German Aerosp Centre DLR, Germany
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- Lorr, David (författare)
- Linköpings universitet,Avdelningen för neuro- och inflammationsvetenskap,Medicinska fakulteten
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- Green, David A. (författare)
- Medical University of Graz, Austria
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- Hinghofer-Szalkay, Helmut (författare)
- Medical University of Graz, Austria
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- Goswami, Nandu (författare)
- Medical University of Graz, Austria
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(creator_code:org_t)
- LIPPINCOTT WILLIAMS & WILKINS, 2016
- 2016
- Engelska.
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Ingår i: Medicine. - : LIPPINCOTT WILLIAMS & WILKINS. - 0025-7974 .- 1536-5964. ; 95:28, s. e4149-
- Relaterad länk:
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https://liu.diva-por... (primary) (Raw object)
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Introduction: We investigated the effect of postural changes on various cardiovascular parameters across gender. Twenty-eight healthy subjects (16 male, 12 female) were observed at rest (supine) and subjected to 3 interventions; head-down tilt (HDT), HDT with lower body negative pressure (HDT + LBNP at -30 mmHg), and head-up tilt (HUT), each for 10 minutes separated by a 10 minutes recovery period. Methods: Measurements were recorded for heart rate (HR), standard deviation of the normal-to-normal intervals, root mean square of successive differences between the normal-to-normal intervals, heart rate variability-low frequency (LFRRI), heart rate variability-high frequency (HFRRI), low frequency/high frequency ratio (LFRRI/HFRRI), systolic blood pressure (SBP), mean arterial pressure (MAP), diastolic blood pressure (DBP), total peripheral resistance index (TPRI), stroke index (SI), cardiac index (CI), index of contractility (IC), left ventricular work index, and left ventricular ejection time. Results: Across all cardiovascular parameters, there was a significant main effect of the intervention applied but there was no significant main effect of gender across all parameters. Conclusions: The results suggest that there are no specific gender differences in regards to the measured variables under the conditions of this study. Furthermore, these results suggest that in healthy subjects, there appears to be evidence that LBNP partially elicits similar cardiovascular responses to HUT, which supports the use of LBNP as an intervention to counteract the effects of central hypovolemia.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Allmänmedicin (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- General Practice (hsv//eng)
Nyckelord
- gender; head-down tilt; head-up tilt; lower body negative pressure; orthostasis; syncope
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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