Ommaya reservoir

Last revised by Yahya Baba on 29 Dec 2023

Ommaya reservoir, also known as Ommaya shunt, is a device for repetitive access to the intrathecal space, consisting of an intraventricular catheter connected to a reservoir (port) implanted beneath the scalp. It is used for intrathecal administration of medication such as chemotherapy (mainly in the treatment of meningeal lymphomas, but also for other meningeal pathology) and palliative analgesics, as well as for CSF aspiration.

It can also be used for aspirating large cystic brain tumors as part of combination therapy 1.

Complications

History and etymology

It was invented by Pakistani neurosurgeon Ayub K Ommaya 6.

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