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ARTCEREB, an irrigation and perfusion solution (Artcereb), is a preparation intended for the irrigation and perfusion of the cerebral ventricles, and it is therefore important to evaluate its effects on cerebrospinal fluid (CSF) and on the surrounding cerebrospinal parenchyma. To confirm the kinetics of the perfusion fluid component, we performed whole body autoradiography and examined glucose balance during ventriculocisternal perfusion with (14)C-glucose labeled Artcereb in the rat model, which simulates ventricular irrigation or ventriculocisternal perfusion in clinical neurosurgery. We also performed ventriculocisternal perfusion with Artcereb, lactated Ringer's solution, or normal saline, and observed the effect of these solutions on animal condition and on brain tissue morphology. In the kinetic study, diffusion of (14)C-glucose from the perfused Artcereb to the cerebrospinal tissue was seen on whole body autoradiography, and almost 90% of the glucose in the perfusion fluid was distributed to the cerebrospinal tissue and the systemic circulation. These data indicated that the perfusion fluid interacted actively with the CSF, surrounding parenchyma and the systemic circulation, and suggested that the formation of perfusion fluid affected CSF composition and cerebrospinal tissue functions. Animals perfused with normal saline were associated with serious symptoms including tonic convulsions and death, and exhibited neuronal death in the cerebrum. However, these severe changes were not observed in animals perfused with Artcereb or lactated Ringer's solution. We therefore propose that during neurosurgery, it is extremely important to use a physiological solution like Artcereb which closely resembles normal human CSF, in order to maintain cerebrospinal function and to alleviate postoperative adverse events.

Perfusion fluids used in neurosurgery affect cerebrospinal fluid and surrounding brain parenchyma in the rat ventriculocisternal perfusion model