Key result
Increasing severity of diabetic retinopathy was associated with significantly decreased ocular blood flow velocities and increased resistivity and pulsatility indices (p<0.05).
Why the study?
The study was conducted to determine ocular blood flow parameters using Doppler ultrasound in patients with type 2 diabetes mellitus across different stages of diabetic retinopathy.
Does Doppler ocular ultrasound detect differences in ocular blood flow parameters across different stages of diabetic retinopathy in patients with type 2 diabetes mellitus?
Cross-Sectional (n=45)
Does Doppler ocular ultrasound detect differences in ocular blood flow parameters across different stages of diabetic retinopathy in patients with type 2 diabetes mellitus?
p-value: p=<0.05
Doppler ocular ultrasound demonstrates progressive reductions in ocular blood flow velocities and increases in vascular resistance that correlate with the severity of diabetic retinopathy.
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May aid noninvasive monitoring of diabetic retinopathy progression; hypothesis-generating and needs prospective validation before clinical use.
I. S. Alifanov (2023) conducted a cross-sectional in Type 2 diabetes mellitus (n=45). Diabetic retinopathy severity vs. No diabetic retinopathy was evaluated on Ocular blood flow parameters (Vs, Vd, TAMXV, PI, RI) by Doppler ultrasound (p=<0.05). Increasing severity of diabetic retinopathy was associated with significantly decreased ocular blood flow velocities and increased resistivity and pulsatility indices (p<0.05).
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