Before surgery (baseline) | After retrobulbar anaesthesia | After surgery | |
---|---|---|---|
OA, ophthalmic artery; PSV, peak systolic velocity; EDV, end diastolic velocity; RI, resistive index; CRA, central retinal artery. | |||
*p<0.001 to baseline; **p<0.001 to after anaesthesia. | |||
OA PSV (cm/s) | 31.83 (7.41) | 18.09 (5.27)* | 24.51 96.37)** |
OA EDV (cm/s) | 6.36 (2.28) | 3.84 (1.59)* | 6.2 (2.52)** |
OA RI | 0.80 (0.05) | 0.79 (0.05) | 0.75 (0.06) |
CRA PSV (cm/s) | 11.61 (1.34) | 7.36 (1.74)* | 9.31 (1.6)** |
CRA EDV (cm/s) | 3.00 (0.82) | 2.14 (0.59)* | 2.50 (0.56)** |
CRA RI | 0.74 (0.06) | 0.71 (0.06) | 0.73 (0.06) |
CRV PSV (cm/s) | 4.95 (0.95) | 3.34 (1.06)* | 4.04 (1.05)** |
CRV EDV (cm/s) | 2.74 (0.72) | 1.94 (0.65)* | 2.27 (0.64)** |