Variables Mean ± standard deviation; N (%)
Age (years) 59.5 ± 16.0
Female gender 12 (55.5)
Comorbidities
 Hypertension 10 (45.0)
 Chronic heart disease 3 (13.6)
 Chronic lung disease 0 (0.0)
 Chronic kidney disease 1 (4.5)
 Chronic liver disease 0 (0.0)
 Diabetes mellitus 2 (9.1)
 Atrial fibrillation 3 (13.6)
 No comorbidities 12 (54.4)
COVID-19 characteristics
 Neurological insult as initial  manifestation of COVID-19 10 (45.5)
 Duration between COVID-19  symptoms and neurological  insults (days) 8.8 ± 4.4
 Fever 11 (50.0)
 Cough 11 (50.0)
 Pneumonia 9 (40.9)
Cerebrovascular insult
 Hemorrhagic stroke 3 (13.6)
 Ischemic stroke 19 (86.4)
Hemorrhagic stroke characteristics and outcomes
 5.0 mm dissecting PICA aneurysm HH3, flow diversion
 15 mm PCOM aneurysm HH4, clipped
 1.4 mm anterior choroidal  artery aneurysm HH1, flow diversion
Ischemic stroke characteristics and outcomes
 Involved vessels 1.4 ± 0.7
  ICA 3 (15.8)
  M1 11 (57.9)
  M2 1 (5.3)
  Absent LVO 2 (10.5)
  CVT 2 (10.5)
 NIHSS at admission 13.8 ± 8.0
 Onset to groin access (min) 272.2 ± 169.5
 Mechanical thrombectomy 16 (84.2)
  General endotracheal anesthesia 13 (81.3)
  MT technique
   Contact aspiration 2 (12.5)
   Stent retriever 1 (6.25)
   Contact aspiration    + stent retriever 13 (81.3)
  Procedure duration (min) 42.2 ± 36.3
  Number of passes 2.1 ± 1.3
  Rescue stenting 3 (18.8)
  TICI 2B/3 16 (100)
 Symptomatic intracerebral  hemorrhage 3 (13.6)
Laboratory findings
 CRP (mg/dl) 20.8 ± 37.9
 D-dimer (ng/dl) 3497.4 ± 6754.3
 Fibrinogen (mg/dl) 329.5 ± 235.4
 Interleukin-6 (pg/dl) 41.6 ± 62.0
Outcomes at discharge
 mRS 3–6 11 (50)
 Mortality 8 (36.4)