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When used for control of hypertension in patients with subarachnoid or intracerebral hemorrhage, NC and SNP were both safe and effective, but patients on an NC drip required fewer dose adjustments and fewer additional medications.

Balamuthia mandrillaris is a rare but increasingly recognized cause of amebic encephalitis, yet it remains poorly understood. The condition is almost universally fatal, and due to diagnostic difficulty, most cases are identified postmortem. The authors report a case of Balamuthia amebic encephalitis in a patient with combined variable immunodeficiency in which a rare antemortem diagnosis was made via brain biopsy. Despite broad-spectrum antimicrobial therapy, the outcome was fatal. Such presentations are challenging, and definitive diagnosis may require biopsy in consultation with a skilled neuropathologist.

Parkinson's disease (PD) is a progressive neurodegenerative disorder characterized by the degeneration of the dopamine producing neurons projecting from the substantia nigra into the corpus striatum. Current medical therapy is limited and cannot stop or reverse the degeneration. Over the past 30 years, attempts were made to change the course of the disease by replacing the lost neurons with grafts from various sources. Recent controlled clinical trials of fetal cell transplantation for PD have had disappointing results. These events present an opportunity to examine the past developments and future direction of cell transplantation for PD.

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