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Ocular blood flow velocity reduction after buckling surgery
L Santos1, C Capeans, F Gonzalez
1Department of Ophthalmology, School of Medicine, Santiago de Compostela, Spain.
Summary
Scleral buckling surgery significantly reduces blood flow velocity in the ophthalmic artery (OA). This may impact blood supply to retinal and choroidal tissues, potentially affecting other ocular structures.
Area of Science:
- Ophthalmology
- Vascular Biology
- Surgical Outcomes
Background:
- Scleral buckling is known to reduce retinal blood flow velocity.
- Potential impacts on other ocular and extraocular vessels are not fully understood.
Purpose of the Study:
- To investigate changes in ophthalmic artery (OA) blood flow velocity post-scleral buckling.
- To assess the correlation between scleral buckling and OA hemodynamics.
Main Methods:
- Color Doppler imaging used to measure OA peak and average flow velocity.
- Measurements performed in 12 patients with rhegmatogenous retinal detachment before and after surgery.
- Intraocular pressure (IOP) monitored alongside blood flow velocity.
Main Results:
- Statistically significant reductions observed in OA peak flow velocity (33%) and average flow velocity (31%) after surgery.
- All patients experienced an increase in IOP post-scleral buckling.
Conclusions:
- Scleral buckling demonstrably reduces blood flow velocity in the ophthalmic artery.
- Findings suggest a potential decrease in choroidal and retinal perfusion, with possible effects on extraocular structures.