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  • Title: [99mTc-HMPAO SPECT in the brain death--a case report].
    Author: Tsuchida T, Sadato N, Nishizawa S, Matoba N, Fujita T, Tamaki N, Konishi J, Tamai S, Shingu K, Yonekura Y.
    Journal: Kaku Igaku; 1993 Jun; 30(6):663-7. PubMed ID: 8345696.
    Abstract:
    Brain single photon emission computed tomography (SPECT) with 99mTc-d,l-hexamethyl-propyleneamine oxime (HMPAO) was performed twice in a 78-year-old man clinically diagnosed as brain death according to the standard criteria of the Japanese Ministry of Welfare. The first brain SPECT demonstrated the tracer accumulation in the brain, indicating preserved cerebral blood flow. The second brain SPECT performed 3 days later revealed cessation of the blood flow. In patients with preserved cerebral blood flow, the diagnosis of brain death cannot be made, even if they meet the existing criteria, because previous report noted the recovery in some of those patients. Brain perfusion SPECT plays an important role as a confirmatory test for the diagnosis of the brain death.
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