Title: The role of B-scan ultrasonography in eyes with suspected vitreous haemorrhage
Authors: Dr Nibedita Acharya, Dr Sonal Gaonkar
DOI: https://dx.doi.org/10.18535/jmscr/v7i7.01
Abstract
Introduction: Ophthalmic ultrasonography is a non-invasive, efficient and inexpensive diagnostic tool to detect and differentiate various ocular conditions. It is an indispensable tool in evaluation of posterior segment in presence of media opacities like dense cataract, vitreous hemorrhage etc.
Aim: The aim of this study is to document the B-scan findings of the patients with vitreous haemorrhage and to compare the ultrasonographic and clinical findings with final diagnosis.
Materials and Methods: It is a prospective study done on the patients attending the ophthalmology department of our institution over last two years, who were diagnosed with vitreous haemorrhage. Ocular ultrasonography was done on all of them by a 10MHz probe and the findings were documented. These findings were compared with the final diagnosis of these patients after treatment.
Results: Total 32 patients were included in the study. Clinically 16 had only vitreous haemorrhage (VH), 2 had posterior vitreous detachment, 3 had retinal detachment, 10 had proliferative vitreoretinopathy and 1 patient had intraocular foreign body along with vitreous haemorrhage. Ultrasonography showed only vitreous haemorrhage in 8 cases, VH with posterior vitreous detachment in 6 cases, VH with retinal detachment in 6 cases, VH with vitreous membrane in 10 cases, VH with intraocular foreign body in 1 patient and normal posterior pole in 3 cases. The accuracy rate of ultrasound in diagnosing vitreous haemorrhage was 89%, posterior vitreous detachment 67%, retinal detachment 83%, vitreous membrane 82% and intraocular foreign body 100%.
Conclusion: B-scan is a non-invasive, safe and cost-effective real time diagnostic tool to detect posterior segment pathologies in presence of media opacities. B-scan is highly sensitive in finding the associated pathologies like retinal tear, retinal detachment and vitreo-retinal membranes in presence of vitreous haemorrhage obscuring retinal view which helps in deciding the correct treatment plan for the patient.
Keywords: Vitreous Haemorrhage, Ultrasonography, B-scan, Posterior Vitreous Detachment, Retinal Detachment.
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