Spontaneous episodes of atrial fibrillation after implantation of the Metrix Atrioverter: observations on treated and nontreated episodes
Carl Timmermans, MD*,
Samuel Lévy, MD, FACC ,
Gregory M. Ayers, MD, FACC ,
Werner Jung, MD ,
Luc Jordaens, MD||,
Marten Rosenqvist, MD¶,
Bernard Thibault, MD#,
John Camm, MD, FACC**,
Luz-Maria Rodriguez, MD*,
Hein J. J. Wellens, MD, FACC* for the Metrix Investigators
* Academic Hospital, Maastricht, the Netherlands
Hôpital Nord, Marseille, France
InControl, Inc., Redmond, Washington, USA
University of Bonn, Bonn, Germany
|| University Hospital, Gent, Belgium
¶ Karolinska Hospital, Stockholm, Sweden
# Montreal Heart Institute, Quebec, Canada
** St. Georges Hospital, London, United Kingdom

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Figure 1 There was an increase of the mean interval between treated spontaneous AF episodes as time since implantation of the Atrioverter increased. Solid line = observed mean and standard error of the interval between treated spontaneous AF episodes; dashed line = predicted mean of the interval between treated spontaneous AF episodes.
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Figure 2 Logarithmic function between the risk of a treated spontaneous AF episode and the time since implantation of the Atrioverter. As time since implantation increased, the risk of a treated spontaneous AF episode decreased.
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