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Unilateral endoscopic optic nerve decompression for idiopathic intracranial hypertension: a series of 10 patients.

Abstract：

OBJECTIVE:Several surgical treatment modalities, including lumboperitoneal or ventriculoperitoneal shunt surgery, subtemporal decompression, endovascular venous sinus stenting, optic nerve decompression (OND), were used in the management of idiopathic intracranial hypertension (IIH). Each surgical technique has different advantages and disadvantages. Endoscopic OND is rarely used in the management of IIH. There are only four reported cases. The aim of this study is to describe the surgical results of patients treated with this less invasive surgical technique. METHODS:A series of 10 consecutive cases of unilateral OND was reviewed. Between December 2008 and December 2012 these patients underwent the endoscopic approach without nerve sheath opening. Presenting symptoms, neurological examination findings, magnetic resonance venography imaging results, fundoscopic and visual acuity examination findings, and automated perimetry test results were recorded. Perioperative results, including complications and length of hospital stay, were evaluated. Findings at follow-up evaluations were also recorded. RESULTS:This report is the first series of unilateral OND performed using the endoscopic approach. The mean patient age was 34.1 years (range, 9-49 years); there were nine female and one male patients. Visual impairment was the main symptom in this patient group, whereas headache was a secondary complaint. The patients were first managed with medical treatment for at least 3 months. Unilateral endoscopic OND was performed on the side with the most visual failure. Mean follow-up was 28.4 months (range, 8-55 months). The visual field defects and visual acuity improved in eight of nine patients, whereas papilloedema improved in seven of nine patients. Also headaches resolved in four of seven patients. There were no complications in this relatively small series. CONCLUSIONS:The surgical treatment of IIH by using the unilateral endoscopic OND technique is a safe and effective method in the hands of experienced surgeons with advanced endoscopic skills. A collaboration with the ophthalmology team is needed for the follow-up. Further studies with larger patient numbers is needed to compare unilateral endoscopic OND technique with the current techniques used in the surgical management of IIH.

journal_name

World Neurosurg

journal_title

World neurosurgery

authors

Sencer A,Akcakaya MO,Basaran B,Yorukoglu AG,Aydoseli A,Aras Y,Sencan F,Satana B,Aslan I,Unal OF,Izgi N,Canbolat A

doi

10.1016/j.wneu.2014.03.045

subject

Has Abstract

pub_date

2014-11-01 00:00:00

pages

745-50

issue

eissn

1878-8750

issn

1878-8769

pii

S1878-8750(14)00373-8

journal_volume

pub_type

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Unilateral endoscopic optic nerve decompression for idiopathic intracranial hypertension: a series of 10 patients.