Indian researchers at the St. Johns Medical College Hospital in Bangalore, find that Optic nerve sheath decompression can be used as a solution to maintain or even improve vision in the patients of diopathic intracranial hypertension and cerebral venous thrombosis. The team led by Dr. SuneethaNithyanandam , come to the decision after a 3 month study on some 21 patients who lost their vision due to diopathic intracranial hypertension and cerebral venous thrombosis. At the end of the study, almost 94% of the results are found positive and satisfying.
The decompression procedure was performed using a medial transconjunctival approach through a 270° peritomy. As a part of the study, seven eyes of four patients with absent light perception at baseline were evaluated separately. IIH was secondary to CVT in all four of these patients, the authors noted. A statistically significant reduction in echographic optic nerve sheath diameter was observed in all patients at 3 months postop (P < .001), with further reductions at 6 months (P = .023).
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