Background And Objectives: To report a case series of endoscopic third ventriculostomy (ETV) using laser in 40 consecutive patients with obstructive hydrocephalus.
Study Design/materials And Methods: Under stereotactic and endoscopic guidance, multiple perforations in the ventricular floor using a 1.32 microm neodymium-yttrium/aluminum/garnet (Nd-YAG) or a 0.805 microm diode laser unit and removal of intervening coagulated tissue ensued with a 4-6 mm opening between third ventricle and basilar cisterns.
Results: The procedure could be completed in all cases. A transient complication occurred in five cases. In 39 patients (mean follow-up 28 months), 31 (79%) had a favorable outcome. Failure occurred in six patients, requiring permanent shunting leading to complete recovery, and two patients remained in a poor clinical status despite ETV.
Conclusions: Laser-assisted ETV is a safe and efficient procedure for the treatment of obstructive hydrocephalus. Laser is advantageous in cases of distorted anatomy and may reduce technical failures.
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