Acute Effect of Hypervolemic Hemodilution on Retrobulbar Hemodynamics in Anterior Ischemic Optic Neuropathy

Table 2

Blood flow velocities (PSV: peak systolic velocity and EDV: end diastolic velocity) and resistive indices (RI) of the retrobulbar vessels (ophthalmic artery (OA), central retinal artery (CRA), and posterior ciliary arteries (PCA)) in patients with NAION before and after infusion of 250 cc 10% hydroxyethyl starch (mean ± standard deviation is given).

	Before	After therapy	value	Relative change in %
OA PSV (cm/s)	34.5 ± 8.1	36.4 ± 9.4	0.13	6.0 ± 19.4
OA EDV (cm/s)	7.0 ± 2.5	7.3 ± 2.8	0.52	8.9 ± 35.2
OA RI	0.8 ± 0.06	0.8 ± 0.06	0.89	0.8 ± 7.7
CRA PSV (cm/s)	7.5 ± 2.3	8.3 ± 2.5	0.0006	11.4 ± 15.8
CRA EDV (cm/s)	2.2 ± 0.6	2.3 ± 0.6	0.03	11.1 ± 23.3
CRA RI	0.7 ± 0.08	0.71 ± 0.07	0.66	1.1 ± 8.1
PCA PSV (cm/s)	7.2 ± 1.6	7.6 ± 1.5	0.009	6.3 ± 10.7
PCA EDV (cm/s)	2.5 ± 0.6	2.7 ± 0.6	0.003	7.8 ± 11.5
PCA RI	0.65 ± 0.06	0.65 ± 0.05	0.72	−0,2 ± 7.0

OA: ophthalmic artery; CRA: central retinal artery; PCA: posterior ciliary artery; PSV: peak systolic velocity; EDV: end diastolic velocity; RI: resistive index.