Description of patients with absent/discontinued dual-antiplatelet treatment

DAPT Not Initiated at Day 1 or Discontinued Thereafter (n = 22)
Antiplatelet regimen
    Never received DAPT (No) (%)9/22 (40.9%)
    Patient days without antiplatelet treatment71
    Patient days with single antiplatelet treatment355
    Discontinued DAPT (No) (%)13/22 (59.1%)
    Duration without DAPT (median) (IQR) (day)9 (5–12)
    Patient days without antiplatelet treatment17
    Patient days with single antiplatelet treatment116
Total
    Patient days without antiplatelet treatment88
    Patient days with single antiplatelet treatment471
Reason for avoiding DAPT (No) (%)
    Hemorrhagic transformation of ischemic stroke15 (68.1%)
    Subarachnoid hemorrhage2 (9.1%)
    Decompressive craniectomy3 (13.6%)
    Gastrointestinal bleedinga2 (9.1%)
    Planned interventional/surgical procedureb2 (9.1%)
    Lack of naso-/orogastric access1 (4.5%)
    Duration of stent patency follow-up (median) (IQR) (day)57 (35–125)
    Stent occlusion beyond day 1 (No) (%)0 (0%)
  • Note:—IQR indicates interquartile range.

  • a One patient had both SAH and gastrointestinal bleeding; the second patient had both hemorrhagic transformation and gastrointestinal bleeding.

  • b One patient had both hemorrhagic transformation and a surgical procedure.