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Table 4 Diagnosis at the end of work-up in the Syncope Unit

From: Syncope and Epilepsy coexist in ‘possible’ and ‘drug-resistant’ epilepsy (Overlap between Epilepsy and Syncope Study - OESYS)

  Total population (n = 107) Possible Epilepsy (n = 63) Drug-resistant Epilepsy (n = 44)
Isolated Syncope, n (%) 45 (42.1) 45 (71.4) 0 (0.0)
Neurally-mediated, n (%) 30 (28.0) 30 (47.6) 0 (0.0)
 Vasovagal, n (%) 24 (22.4) 24 (38.1) 0 (0.0)
 Carotid Sinus Syndrome, n (%) 5 (4.7) 5 (7.9) 0 (0.0)
 Situational, n (%) 1 (0.9) 1 (1.6) 0 (0.0)
Orthostatic hypotension, n (%) 10 (9.3) 10 (15.9) 0 (0.0)
Cardiac, n (%) 2 (1.9) 2 (3.2) 0 (0.0)
Unexplained syncope, n (%) 3 (2.8) 3 (4.8) 0 (0.0)
Isolated Epilepsy, n (%) 21 (19.6) 6 (9.5) 15 (34.1)
 Idiopathic, n (%) 14 (13.1) 5 (7.9) 9 (20.5)a
 Symptomatic, n (%) 6 (5.6) 1 (1.6) 5 (11.4)
 Probably symptomatic, n (%) 1 (0.9) 0 (0.0) 1 (2.3)
Syncope & Epilepsy 40 (37.4) 11 (17.5) 29 (65.9)
Psychogenic non-epileptic seizures 1 (0.9) 1 (1.6) 0 (0.0)
  1. aIn 2 of 9 patients with idiopathic isolated epilepsy, psychogenic non-epileptic seizures are also present