Abstract:Fifty-eight patients (29 M, 29 F, mean age 60.8 +/- 16 years) with unexplained syncope at the end of a complete clinical and electrophysiological evaluation, were followed for a mean period of 36.6 +/- 20.5 months (median: 30.5 months). Structural heart disease was present in 32 patients (55.2%). The standard ECG was normal in 24 (41.4%) and showed sinus bradycardia (greater than 40 m-1) and/or first degree AV block and/or intraventricular conduction disturbances in 29 patients (50%). During follow-up, recurre… Show more
“…An approximately 5% first year mortality in patients with unexplained syncope has been a relatively consistent observation in the literature [19,20,27,28,37] . Although the mortality is largely due to underlying co-morbidity, such patients continue to be at risk for physical injury, and may encounter employment and life-style restrictions.…”
Section: Prognostic Stratification: Identification Of Factors Predictsupporting
“…An approximately 5% first year mortality in patients with unexplained syncope has been a relatively consistent observation in the literature [19,20,27,28,37] . Although the mortality is largely due to underlying co-morbidity, such patients continue to be at risk for physical injury, and may encounter employment and life-style restrictions.…”
Section: Prognostic Stratification: Identification Of Factors Predictsupporting
“…In patients with unexplained syncope at the end of a complete workup and absence of any conduction disturbance, the lack of a rationale and the negative results of small studies 234,235 give sufficient evidence of inefficacy of cardiac pacing. Thus, cardiac pacing is not recommended until a diagnosis is made (Figure 8).…”
“…The definition of unexplained syncope largely depends on the diagnostic accuracy employed. An approximately 5% first year mortality in patients with unexplained syncope has been a relatively consistent observation in the literature [19,20,28,29,38]. As referred to earlier [17], the participants with syncope of unknown cause, compared with those who did not have syncope, had 1.31 increased risk of death.…”
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