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Sinclair, A.J. et al.

Alexandra J. Sinclair, Sarin Kuruvath, Diptasri Sen, Peter G. Nightingale, Michael A. Burdon, Graham Flint,

Is cerebrospinal fluid shunting in idiopathic intracranial hypertension worthwhile? A 10-year review.

BACKGROUND: The role of cerebrospinal fluid (CSF) diversion in treating idiopathic intracranial hypertension (IIH) is disputed. METHOD: We conducted a 10-year, retrospective case note review to evaluate the effects of CSF diversion in IIH. Symptoms, signs and details of shunt type, complications and revisions were documented at baseline, 6, 12 and 24 months post-operatively. RESULTS: Fifty-three IIH patients were shunted [predominantly lumboperitoneal (92%)]. The most common symptom pre-surgery was headache (96%). Post-operatively, significantly fewer patients experienced declining vision and visual acuity improved at 6 (p = 0.001) and 12 months (p = 0.016). Headache continued in 68% at 6 months, 77% at 12 months and 79% at 2 years post-operatively. Additionally, post-operative low-pressure headache occurred in 28%. Shunt revision occurred in 51% of patients, with 30% requiring multiple revisions. CONCLUSION: We conclude that CSF diversion reduces visual decline and improves visual acuity. Unfortunately, headache remained in the majority of patients and low-pressure headache frequently complicated surgery. Over half of the patients required shunt revision with the majority of these requiring multiple revisions. We suggest that CSF shunting should be conducted as a last resort in those with otherwise untreatable, rapidly declining vision. Alternative treatments, such as weight reduction, may be more effective with less associated morbidity.[1]

References

Is cerebrospinal fluid shunting in idiopathic intracranial hypertension worthwhile? A 10-year review. Sinclair, A.J., Kuruvath, S., Sen, D., Nightingale, P.G., Burdon, M.A., Flint, G. Cephalalgia (2011) [Pubmed]

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