Table 2.
Absolute values (SDa) and side to side (S-S) difference of fdNIRS oxygen saturation () and total hemoglobin (tHb) measurements in the five acute stroke patients. Abnormal values compared to the control population are marked by a.
Pt | Occlusion | Area | (%) | tHb () | ||||
---|---|---|---|---|---|---|---|---|
Stroke | Contralateral | S-S | Stroke | Contralateral | S-S | |||
1 | MCA M1 + ICA T | Frontal | 52.7 (1)a | 64.7 (1) | a | 54.7 (1) | 33.3 (2) | a |
SFGb | 50.9 (5)a | 63.1 (5) | a | 60.4 (3) | 69.7 (3) | |||
Rolandic | 59.9 (2) | 64.1 (6) | 55.1 (1) | 56.9 (2) | ||||
2 | MCA M1 | Frontal | 49.4 (2)a | 53.2 (1)a | 70.2 (1) | 49.1 (1) | a | |
Rolandic | 44.0 (2)a | 47.6 (2)a | 58.5 (1) | 52.7 (1) | ||||
Wernicke | 38.2 (2)a | 52.7 (2)a | a | 57.1 (2) | 57.8 (1) | |||
Broca | 56.2 (3) | 65.5 (2) | a | 81.6 (2)a | 76.6 (2) | |||
3 | MCA M1 | Frontal | 50.9 (2)a | 42.0 (2)a | 32.1 (1) | 19.5 (1)a | ||
Rolandic | 62.2 (2) | 58.5 (1) | 26.8 (1)a | 31.9 (1)a | ||||
Wernicke | 56.3 (1) | 66.8 (1) | a | 25.8 (1)a | 36.5 (1) | |||
Parietal | 50.1 (1)a | 59.8 (1) | a | 25.1 (1)a | 27.8 (1)a | |||
Broca | 54.3 (1) | 54.0 (1) | 28.0 (1)a | 34.6 (1) | ||||
4 | MCA M1 | Frontal | 64.3 (3) | 79.8 (2)a | a | 45.7 (3) | 42.2 (1) | |
5 | M1+ ICA | Frontal | 58.5 (5) | 56.4 (4) | 25.5 (2)a | 25.2 (2)a | ||
Broca | 46.0 (5)a | 61.4 (2) | a | 41.2 (2) | 41.3 (2) |
SD of single measurements in this table represents the variation over the time of a single measurement. A single measurement lasts around 50 s and data points are recorded at 2 Hz (around 100 data points).
SFG: this area was posterior and superior to the frontal area and was done in this patient because it was thought to be involved; MCA, middle cerebral artery; ICA, internal carotid artery.