Radionuclide Brain Perfusion Studies in Suspected Brain Death

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Abstract
The radionuclide brain perfusion study (RPS) has been suggested as a method of confirming suspected brain death. The hospital records and RPSs of 34 patients referred were reviewed because brain death was suspected. In every case but one the RPS showed absent or drastically reduced cerebral blood flow. No patient survived more than five days, and 25 survived less than 24 hours. These findings are consistent with the results of previous reports of a total of 248 patients; only one of 248 survived and was discharged from the hospital after having had a positive RPS. The RPS is highly accurate at confirming brain death.