Potassium dynamics are attenuated in hyperkalemia and a determinant of QT adaptation in exercising hemodialysis patients

Cao Thach Tran; Henning Bundgaard; Søren Daustrand Ladefoged; Stig Haunsø; Keld Kjeldsen

doi:10.1152/japplphysiol.01019.2012

Potassium dynamics are attenuated in hyperkalemia and a determinant of QT adaptation in exercising hemodialysis patients

Cao Thach Tran, Henning Bundgaard, Søren Daustrand Ladefoged, Stig Haunsø, Keld Kjeldsen

6 Citationer (Scopus)

Abstract

Disturbances in plasma potassium concentration (pK) are well known risk factors for the development of cardiac arrhythmia. The aims of the present study were to evaluate the effect of hemodialysis on exercise pK dynamics and QT hysteresis, and whether QT hysteresis is associated with the pK decrease following exercise. Twenty-two end-stage renal disease patients exercised on a cycle ergometer with incremental work load before and after hemodialysis. ECG was recorded and pK was measured during exercise and recovery. During exercise, pK increased from 5.1 ± 0.2 to 6.1 ± 0.2 mM (mean ± SE; P

Originalsprog	Engelsk
Tidsskrift	Journal of applied physiology (Bethesda, Md. : 1985)
Vol/bind	115
Udgave nummer	4
Sider (fra-til)	498-504
Antal sider	7
ISSN	8750-7587
DOI	https://doi.org/10.1152/japplphysiol.01019.2012
Status	Udgivet - 15 aug. 2013

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10.1152/japplphysiol.01019.2012

Citationsformater

Potassium dynamics are attenuated in hyperkalemia and a determinant of QT adaptation in exercising hemodialysis patients. / Tran, Cao Thach; Bundgaard, Henning; Ladefoged, Søren Daustrand et al.
I: Journal of applied physiology (Bethesda, Md. : 1985), Bind 115, Nr. 4, 15.08.2013, s. 498-504.

Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › peer review

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abstract = "Disturbances in plasma potassium concentration (pK) are well known risk factors for the development of cardiac arrhythmia. The aims of the present study were to evaluate the effect of hemodialysis on exercise pK dynamics and QT hysteresis, and whether QT hysteresis is associated with the pK decrease following exercise. Twenty-two end-stage renal disease patients exercised on a cycle ergometer with incremental work load before and after hemodialysis. ECG was recorded and pK was measured during exercise and recovery. During exercise, pK increased from 5.1 ± 0.2 to 6.1 ± 0.2 mM (mean ± SE; P ",

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AU - Bundgaard, Henning

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AU - Haunsø, Stig

AU - Kjeldsen, Keld

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AB - Disturbances in plasma potassium concentration (pK) are well known risk factors for the development of cardiac arrhythmia. The aims of the present study were to evaluate the effect of hemodialysis on exercise pK dynamics and QT hysteresis, and whether QT hysteresis is associated with the pK decrease following exercise. Twenty-two end-stage renal disease patients exercised on a cycle ergometer with incremental work load before and after hemodialysis. ECG was recorded and pK was measured during exercise and recovery. During exercise, pK increased from 5.1 ± 0.2 to 6.1 ± 0.2 mM (mean ± SE; P

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Potassium dynamics are attenuated in hyperkalemia and a determinant of QT adaptation in exercising hemodialysis patients

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