Ommaya reservoir

The use of intrathecal amphotericin B is not recommended for the treatment of cryptococcal meningitis except in very ill patients or in those with recurrent or progressive disease despite aggressive IV amphotericin B therapy. The dosage of amphotericin B employed is usually 0.5 mg administered via the lumbar, cisternal, or intraventricular (via an Ommaya reservoir) route two or three times weekly. 

The client diagnosed with metastatic brain tumors has an Ommaya reservoir placed for delivery of chemotherapy Which statement is the scientific rationale for the placement of this device ... 

Ommaya reservoirs are used to deliver sustained-release medications over time. 

An Ommaya reservoir is implanted into the ventricle of the hrain, not into a vein. 

Sustained-release medications are usually oral preparations medications instilled into the Ommaya reservoir are liquid and are used immediately hy the body... 

For delivery through the CSF, drugs can be infused intraventricularly using a plastic reservoir called an Ommaya reservoir implanted subcutaneously in the scalp and connected to the ventricles within the brain via an outlet catheter [133] (Figure 14.11). Compared to vascular drug administration, CSF... 

Ratcheson RA, Ommaya AK. Experience with the subcutaneous cerebrospinal-fluid reservoir. Preliminary report of 60 cases. New Engl J Med 1968 279 1025-1031. 

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