How do you utilize Diamox in patients with cerebral venous sinus thrombosis and vision symptoms who do not undergo thrombectomy/recanalization?

Diamox (acetazolamide) is often used to treat papilledema with associated visual loss in cases of CVST. While there is a theoretical risk of dehydration from acetazolamide with potential worsening of the thrombosis, 1) acetazolamide is a weak diuretic and 2) the risk of blinding visual loss usually outweighs the theoretical risk of dehydration. Unfortunately, there are no studies to give us an evidence base for this, just anecdotal cases. We have seen excellent responses to acetazolamide to reve...

In patients with cerebral venous sinus thrombosis with visual changes, papilledema and high-pressure headaches, and other signs of elevated ICP (like tinnitus, transient visual obscuration, etc.), acetazolamide, also known as Diamox, can be helpful to reduce CSF production and hence ICP, through its effects on carbonic anhydrase inhibition.

If someone has a sulfa allergy or is unable to tolerate Diamox, Topamax through its carbonic anhydrase inhibitory activity can also do the same. Hence, in add...

Great points were raised in the earlier posts. I’d like to add that, from a pathophysiological perspective, when vision issues occur in the setting of CVST, it’s important to focus on the underlying cause while also managing the symptoms. The symptoms in CVST stem from impaired venous drainage rather than directly from a CSF issue (e.g., IIH). While preserving vision is a top priority, addressing the root cause is crucial for effective management.

I agree that starting Diamox is a reasonable app...