External cardioversion of atrial fibrillation: The role of electrode position on cardioversion success

 
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External cardioversion of atrial fibrillation: The role of electrode position on cardioversion success

Simeonidou, Olga
Sachpekidis, Vasilios
Kambitsi, Efterpi
Vogiatzis, Ioannis A.
Samanidis, Dionisios
Tsagaris, Vasilios
Vogiatzis, Ioannis M.
Karamitsos, Theodoros

The optimal method to perform external electrical cardioversion of atrial fibrillation has not been fully determined yet. In order to define the effects of different pad positions on cardioversion success rates, shock energy requirements and serum myocardial proteins levels we studied 62 patients with persistent atrial fibrillation who underwent elective external electrical cardioversion using a standardized step-up protocol of increasing energy levels. Electrode positions were randomly assigned as anterolateral (Group A) or anteroposterior (Group B). After all shocks were delivered there was no difference in the cardioversion success rate between the two groups. However, a significantly greater proportion of patients in group B were restored to sinus rhythm after the second shock of 300 J was delivered (p=0.005). Mean shock energy requirements and peak serum creatine kinase levels were lower for group B than for group A (p=0.049 and p=0.021 respectively). Troponin T serum levels were not increased after the cardioversion attempts in either group. We conclude that an anteroposterior electrode position is more effective in achieving restoration of sinus rhythm in lower energy shock levels compared to the anterolateral position.

Article / Άρθρο
info:eu-repo/semantics/article

Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης (EL)
Aristotle University of Thessaloniki (EN)

Αγγλική γλώσσα

2009
2016-10-12T08:55:27Z


Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης, Σχολή Επιστημών Υγείας, Τμήμα Ιατρικής

International Journal of Cardiology, vol.137 no.1 [2009] p.e8-e10
urn:ISSN:01675273

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info:eu-repo/semantics/openAccess



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