• Fahad Alkherayf, Hussam Abou Al-Shaar, and Michael Awad.
• C2 Clinic - Division of Neurosurgery, The Ottawa Hospital, 1053 Carling Avenue, Ottawa, Ontario, Canada; Division of Neurosurgery, The University of Ottawa, Ottawa, Canada; The Ottawa Hospital Research Institute (OHRI), Ottawa, Canada. Electronic address: falkherayf@toh.on.ca.
• Clin Neurol Neurosurg. 2015 Sep 1; 136: 5-9.

ObjectiveTo evaluate the clinical outcomes and complications rate among idiopathic intracranial hypertension (IIH) patients who underwent lumboperitoneal (LP) shunt insertion with a programmable Strata valve.MethodsWe retrospectively evaluated patients who underwent LP shunt with a programmable Strata valve insertion at the University of Ottawa Civic Hospital from November 2012 to June 2013. The demographic data, clinical symptoms, opening pressure, pre-operative and post-operative visual fields, neuroimaging, visual acuity, disc status, and complications were recorded and analyzed.ResultsSeven female patients with IIH underwent insertion of an LP shunt with a programmable Strata valve. The mean opening pressure was 35.8 cm H2O. The initial valve setting was 1.5, and four patients required post-operative valve pressure adjustment. All patients showed significant improvement in objective visual testing at follow-up as well as less frequent headaches. None of the patients developed intra- or post-operative complications.ConclusionLP shunts with programmable Strata valve systems are a potential alternative to conventional LP and programmable ventriculoperitoneal shunt systems as well as optic nerve sheath fenestration, due to their potential in avoiding brain injury, lower failure and complication rates, lower intracranial hypotension incidence, and flexibility in adjusting valve pressure settings post-operatively evading under- and overdrainage complications. They should be considered for the management of IIH instead of early design LP systems and VP shunts. A randomized multi-center trial should be conducted to compare the efficacy of these surgical techniques.Copyright © 2015 Elsevier B.V. All rights reserved.

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