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Table 3 Hemodynamic Doppler parameters in the OA, PCA, and CRA of Eyes After Intravenous Chemotherapy for RB

From: Quantitative evaluation of retinal microvasculature and retrobulbar vessels after intravenous chemotherapy for retinoblastoma

Parameter Group I Group II Controls P value
I vs II I vs C II vs C
Central retinal artery
 PSV (cm/s) 11.28 ± 3.52 11.52 ± 3.73 11.72 ± 2.92 0.8840 0.7644 0.8953
 EDV (cm/s) 3.82 ± 1.42 3.52 ± 1.64 3.71 ± 1.84 0.6671 0.8827 0.8102
 RI 0.66 ± 0.07 0.69 ± 0.08 0.68 ± 0.09 0.3839 0.5859 0.7958
 PI 1.12 ± 0.23 1.18 ± 0.21 1.15 ± 0.21 0.5500 0.7642 0.7531
Posterior ciliary artery
 PSV (cm/s) 11.94 ± 3.08 12.21 ± 3.24 12.52 ± 3.43 0.8507 0.6954 0.8377
 EDV (cm/s) 3.67 ± 1.18 3.84 ± 1.64 3.73 ± 1.48 0.7932 0.9213 0.8766
 RI 0.69 ± 0.09 0.69 ± 0.10 0.70 ± 0.10 1.0000 0.8168 0.8256
 PI 1.06 ± 0.23 1.04 ± 0.25 1.04 ± 0.22 0.8544 0.8447 1.0000
Ophthalmic artery
 PSV (cm/s) 29.40 ± 6.63 30.47 ± 5.63 31.47 ± 5.6 0.7018 0.4604 0.6951
 EDV (cm/s) 6.82 ± 2.62 7.11 ± 2.34 6.98 ± 3.12 0.7970 0.9025 0.9172
 RI 0.77 ± 0.08 0.76 ± 0.09 0.78 ± 0.10 0.7958 0.8078 0.6439
 PI 1.25 ± 0.38 1.24 ± 0.40 1.27 ± 0.43 0.9549 0.9135 0.8735
  1. OA Ophthalmic artery, PCA Posterior ciliary artery, CRA Central retinal artery, PSV Peak systolic velocity, EDV End diastolic velocity