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Published on: April 24, 2020
Challenges in the management of idiopathic intracranial hypertension
Katherine Belanger1, Omar Ashraf2, Jill Rau3
1Department of Neurological Surgery, Wake Forest University School of Medicine, Winston-Salem, North Carolina, USA katherine.belanger@advocatehealth.org.
Insights
Idiopathic intracranial hypertension (IIH) treatments offer short-term relief but often fail long-term due to recurrence. New personalized therapies are needed for durable outcomes in this complex neurological disorder.
Area of Science:
- Neurology
- Ophthalmology
- Vascular Medicine
Background:
- Idiopathic intracranial hypertension (IIH) is a prevalent neurological disorder causing significant morbidity.
- Current treatments provide temporary symptom relief but are limited by high recurrence rates and poor long-term efficacy.
- Weight loss is the only disease-modifying therapy, but sustained weight reduction is challenging, and not all patients are overweight.
Purpose of the Study:
- To review current evidence on medical and surgical treatment failures in Idiopathic Intracranial Hypertension (IIH).
- To highlight unresolved questions in IIH pathogenesis.
- To emphasize the need for personalized therapeutic strategies and more durable treatment options.
Main Methods:
- Systematic review of existing literature on Idiopathic Intracranial Hypertension (IIH) treatments.
- Analysis of medical and surgical intervention outcomes.
- Evaluation of disease pathogenesis and treatment failure mechanisms.
Main Results:
- Current treatments for IIH, including lifestyle changes, medications (acetazolamide, topiramate, GLP-1 agonists), and surgery, show limited long-term success.
- High rates of symptom recurrence are common, even after interventions.
- Pharmacologic therapies have side effect limitations, and surgical approaches may not address all pathophysiological aspects.
Conclusions:
- Idiopathic Intracranial Hypertension (IIH) treatment failures underscore the need for a deeper understanding of its complex pathophysiology.
- Personalized therapeutic approaches are crucial for developing more effective and durable treatments.
- Further research into IIH pathogenesis is essential for advancing patient care and improving long-term outcomes.
Abstract:
Idiopathic intracranial hypertension (IIH) is a complex and increasingly prevalent disorder that results in significant morbidity despite a broad array of available treatments. While lifestyle modifications, pharmacologic agents, and surgical interventions can produce meaningful short-term symptomatic improvements, long-term outcomes are poor, characterized by high rates of symptom recurrence. Weight loss remains the only disease-modifying therapy, though sustained reductions in weight are rarely achieved outside of bariatric surgery. In addition, a subset of patients is not overweight, limiting applicability. Pharmacologic therapies such as acetazolamide, topiramate, and glucagon-like peptide-1 (GLP-1) receptor agonists offer benefits but are limited by the side effect profile and poor efficacy. Surgical approaches often address only a portion of IIH's multifactorial pathophysiology, and recurrent symptoms may arise from persistent venous hypertension or new venous stenoses. This review evaluates the current evidence on medical and surgical treatment failures in IIH, emphasizing unresolved questions in disease pathogenesis and the need for personalized therapeutic approaches that advance the development of more durable treatment options.
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