Abstract:In 74 symptomatic patients suffering from sick sinus syndrome, survival after pacemaker implantation and additional drug therapy was determined. The 5-year survival was poor (47.2%). Evidence of other cardiac disease (present in 44.6%) influenced the prognosis unfavorably, especially in combination with continuing symptoms. As yet the phase of SSS in which chronic cardiac pacing is required, should be considered as a critical stage.
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