Treating Intracranial Hypotension requires a stepped approach, starting from conservative measures and advancing to interventional techniques when needed
Step 1: Conservative Management
Strict Bed Rest: Keeping the patient flat reduces hydrostatic CSF pressure at the leak site, allowing small dural tears to heal
. Hydration & Caffeine: Oral caffeine, intravenous fluids, and high coffee intake stimulate CSF production and promote cerebral vasoconstriction
. Abdominal Binders: Can increase epidural pressure to temporarily alleviate symptoms
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Step 2: Epidural Blood Patch (EBP) — The Mainstay
If conservative measures fail, an Epidural Blood Patch is the treatment of choice
Mechanism: Autologous blood (typically ~20 mL) is injected into the epidural space
. It acts immediately by compressing the dural sac (restoring intracranial volume) and later by forming a gelatinous fibrin plug that seals the tear and encourages scar tissue formation . Success Rates: While EBPs resolve post-lumbar puncture headaches in over 90% of cases, single spontaneous leak success rates hover around 30%, meaning many patients require targeted or repeated blood/fibrin glue injections
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Step 3: Surgical Repair
Reserved for complex cases where non-invasive methods fail, or when imaging confirms a large, leaking meningeal diverticulum or bone spur tear
Surgical Approaches: Ligation of leaking diverticula, direct dural suture repair, epidural packing with muscle/fibrin sealant, or duroplasty
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Potential Complications & Post-Treatment Care
Rebound Intracranial Hypertension: Following a successful seal, CSF pressure may temporarily spike
. Symptoms include high-pressure headaches, nausea, or papilledema, which are managed with acetazolamide . Subdural Hematomas & Venous Thrombosis: Severe brain sagging can cause venous stasis or vessel tears, sometimes requiring urgent coordinated care between neurosurgery and neurology
