Intravenous administration of magnesium and potassium solution lowers energy levels and increases success rates electrically cardioverting atrial fibrillation
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Intravenous administration of magnesium and potassium solution lowers energy levels and increases success rates electrically cardioverting atrial fibrillation. / Sultan, Arian; Steven, Daniel; Rostock, Thomas; Hoffmann, Boris; Müllerleile, Kai; Servatius, Helge; Drewitz, Imke; Lüker, Jakob; Meyer, Philip; Salukhe, Tushar; Willems, Stephan.
in: J CARDIOVASC ELECTR, Jahrgang 23, Nr. 1, 01.2012, S. 54-59.Publikationen: SCORING: Beitrag in Fachzeitschrift/Zeitung › SCORING: Zeitschriftenaufsatz › Forschung › Begutachtung
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T1 - Intravenous administration of magnesium and potassium solution lowers energy levels and increases success rates electrically cardioverting atrial fibrillation
AU - Sultan, Arian
AU - Steven, Daniel
AU - Rostock, Thomas
AU - Hoffmann, Boris
AU - Müllerleile, Kai
AU - Servatius, Helge
AU - Drewitz, Imke
AU - Lüker, Jakob
AU - Meyer, Philip
AU - Salukhe, Tushar
AU - Willems, Stephan
N1 - © 2011 Wiley Periodicals, Inc.
PY - 2012/1
Y1 - 2012/1
N2 - BACKGROUND: External biphasic electrical cardioversion (CV) is a standard treatment option for patients suffering from acute symptoms of atrial fibrillation (AF). Nevertheless, CV is not always successful, and thus strategies to increase the success rate are desirable.OBJECTIVE: The purpose of this study was to evaluate the effect of intravenously administered K/Mg solution on the biphasic CV energy threshold and success rate to restore sinus rhythm (SR) in patients with AF.METHODS: The study consisted of 170 patients with persistent AF. The patients were randomly assigned to undergo biphasic CV either with (n = 84) or without (n = 86) pretreatment with K/Mg solution. An energy step-up protocol of 75, 100, and 150 W (J) was used.RESULTS: Biphasic CV of AF was effective in 81 (96.4%) patients in the pretreatment and 74 (86.0%) patients in the control group (P = 0.005). The effective energy level required to achieve SR was significantly lower in the pretreated group (140.8 ± 26.9 J vs 182.5 ± 52.2 J, P = 0.02). No K/Mg-solution-associated side effects such as hypotension or bradycardia were observed.CONCLUSION: Administration of K/Mg solution positively influences the success rate of CV in patients with persistent AF. Furthermore, significantly less energy is required to successfully restore SR and therefore K/Mg pretreatment may facilitate SR restoration in patients undergoing CV for AF.
AB - BACKGROUND: External biphasic electrical cardioversion (CV) is a standard treatment option for patients suffering from acute symptoms of atrial fibrillation (AF). Nevertheless, CV is not always successful, and thus strategies to increase the success rate are desirable.OBJECTIVE: The purpose of this study was to evaluate the effect of intravenously administered K/Mg solution on the biphasic CV energy threshold and success rate to restore sinus rhythm (SR) in patients with AF.METHODS: The study consisted of 170 patients with persistent AF. The patients were randomly assigned to undergo biphasic CV either with (n = 84) or without (n = 86) pretreatment with K/Mg solution. An energy step-up protocol of 75, 100, and 150 W (J) was used.RESULTS: Biphasic CV of AF was effective in 81 (96.4%) patients in the pretreatment and 74 (86.0%) patients in the control group (P = 0.005). The effective energy level required to achieve SR was significantly lower in the pretreated group (140.8 ± 26.9 J vs 182.5 ± 52.2 J, P = 0.02). No K/Mg-solution-associated side effects such as hypotension or bradycardia were observed.CONCLUSION: Administration of K/Mg solution positively influences the success rate of CV in patients with persistent AF. Furthermore, significantly less energy is required to successfully restore SR and therefore K/Mg pretreatment may facilitate SR restoration in patients undergoing CV for AF.
KW - Aged
KW - Atrial Fibrillation/diagnosis
KW - Combined Modality Therapy
KW - Defibrillators
KW - Electric Countershock/adverse effects
KW - Female
KW - Germany
KW - Humans
KW - Infusions, Intravenous
KW - Magnesium/administration & dosage
KW - Male
KW - Middle Aged
KW - Potassium/administration & dosage
KW - Treatment Outcome
U2 - 10.1111/j.1540-8167.2011.02146.x
DO - 10.1111/j.1540-8167.2011.02146.x
M3 - SCORING: Journal article
C2 - 21815963
VL - 23
SP - 54
EP - 59
JO - J CARDIOVASC ELECTR
JF - J CARDIOVASC ELECTR
SN - 1045-3873
IS - 1
ER -