Table 1. Demographic characteristics, ischemic lesion size on initial and follow-up DWI, as well as perfusion deficit size on initial PWI in patients with and without HARM.
median (IQR), | HARM, | No HARM | OR; 95%CI | p |
---|---|---|---|---|
unless noted | n = 8 | n = 8 | ||
Age, years | 67.5 (63.75–73) | 73 (41–83.5) | 0.72 | |
Male sex (n, %) | 5 (62.5%) | 4 (50%) | 1.67; 0.23–12.22 | 0.61 |
CKD | 1 (12.5%) | 1 (12.5%) | 1.00; 0.05–19.36 | 1.00 |
Time between onset | 104 (85–117) | 336 (77–360) | 0.46 | |
and MRI, minutes | ||||
Time between | 10.5 (5.25–17.75) | 19.5 (15.5–23.5) | 0.03 | |
MRI 1/2, hours | ||||
MRI 1 | ||||
DWI lesion size, cm3 | 3.55 (0.55–4.28) | 2.05 (0.75–10.45) | 0.72 | |
PWI lesion size, cm3 | 30.85 (13.5–41.25) | 30.9 (25–37.5) | 0.72 | |
rCBF | 0.65 (0.58–0.97) | 0.85 (0.57–0.97) | 0.63 | |
rCBV | 0.89 (0.67–1.05) | 1.02 (0.70–1.17) | 0.37 | |
MRI 2 | ||||
DWI lesion size, cm3 | 3.3 (1.03–8.23) | 16.35 (4.4–35.18) | 0.05 | |
Recanalization | 7 (87.5%) | 3 (37.5%) | 11.67; 0.92–147.56 | 0.04 |
Infarction growth, cm3 | 0.15 (-0.15–3.55) | 7.6 (3.35–31.35) | 0.01 |
Legend: HARM = hyperintense acute reperfusion marker, CKD = chronic kidney disease, DWI = diffusion-weighted imaging, PWI = perfusion-weighted imaging