Doppler ultrasound features of ophthalmic artery in diabetic retinopathy in a Nigerian Teaching Hospital

Authors

  • Ginika N. Iyizoba Department of Radiodiagnosis, Lagos University Teaching Hospital, Idi-Araba, Lagos State, Nigeria
  • Adekunle A. Adeyomoye Department of Radiodiagnosis, Alex Ekwueme Federal Teaching Hospital, Abakaliki, Ebonyi State, Nigeria
  • Omodele A. Olowoyeye Department of Radiodiagnosis, Lagos University Teaching Hospital, Idi-Araba, Lagos State, Nigeria
  • Ozoemena S. Oboke Department of Radiodiagnosis, Lagos University Teaching Hospital, Idi-Araba, Lagos State, Nigeria
  • Rasheed A. Arogundade Department of Radiodiagnosis, Lagos University Teaching Hospital, Idi-Araba, Lagos State, Nigeria
  • Olufisayo T. Aribaba Department of Ophthalmology (Guinness Eye Centre), Lagos University Teaching Hospital, Idi-Araba, Lagos State, Nigeria

DOI:

https://doi.org/10.18203/2320-6012.ijrms20214701

Keywords:

Diabetic retinopathy, Doppler ultrasound, Resistivity index, Ophthalmic artery

Abstract

Background: Diabetes mellitus is a metabolic disease characterized by elevated blood glucose level due to impaired insulin secretion, insulin action or both with diabetic retinopathy being the most common microangiopathic complication. A comparative, cross- sectional study aimed at evaluating Doppler blood flow indices in the ophthalmic artery in diabetic retinopathy and non-retinopathy patients when compared to normal controls in a Nigerian tertiary hospital.

Methods: Data were collected over 7 months (April 2017-October 2017) in Lagos University Teaching Hospital, Idi-Araba Lagos, Nigeria. Sixty-five diabetic retinopathy patients, 65 diabetic patients without retinopathy and 65 non-diabetic controls had their ophthalmic artery Doppler indices assessed for comparison.

Results: The end diastolic velocity (EDV) of the ophthalmic arteries in the diabetic patients were significantly lower than those of control group (EDV=5.84±2.59 cm/s, p<0.001 bilaterally). In diabetic patients with retinopathy, the end diastolic velocity of the ophthalmic arteries was significantly lower than those of diabetic patients without retinopathy (EDV=5.84±2.59 cm/s right eye, EDV=5.75±2.39 left eye, p<0.001 bilaterally). The resistivity index (RI) of the ophthalmic arteries was significantly higher in both diabetic patients with retinopathy and those without retinopathy compared to control group (RI=0.92±0.07 right eye, p=0.044 right eye, p<0.001 left eye) with resistivity index of diabetic retinopathy respondents significantly higher than the diabetic patients with no retinopathy.

Conclusions: The study showed that Doppler is a useful screening parameter in identifying eyes at risk of developing sight threatening proliferative disease in diabetic patients. Significant differences exist in ophthalmic artery Doppler flow indices of diabetics with retinopathy compared to the healthy controls.

 

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Published

2021-11-26

How to Cite

Iyizoba, G. N., Adeyomoye, A. A., Olowoyeye, O. A., Oboke, O. S., Arogundade, R. A., & Aribaba, O. T. (2021). Doppler ultrasound features of ophthalmic artery in diabetic retinopathy in a Nigerian Teaching Hospital. International Journal of Research in Medical Sciences, 9(12), 3510–3519. https://doi.org/10.18203/2320-6012.ijrms20214701

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Original Research Articles