To the Editor.
—In their article entitled "Transient Global Amnesia After Cerebral Angiography" (Archives 1982;39:593-594), Cochran et al stated that they could find only one report of similar occurrences in the literature, a 1981 article by Wales and Nov.1 However, in 1954, Hauge described four patients in whom identical amnesic states developed after vertebral angiography.2 These descriptions were a part of a comprehensive prospective study of the neurologic complications of vertebral angiography. Hauge's monograph preceded the original report of the syndrome of transient global amnesia (TGA) by Bender3 and the coining of the current term for it by Fisher and Adams,4 but was clearly describing the same phenomenon. In his patients, the amnesic state came on suddenly after an injection of contrast material. It consisted of amnesia for the events of the immediate and recent past and, to a variable degree, the remote past, as well
Haas DC. Transient Global Amnesia After Cerebral Angiography. Arch Neurol. 1983;40(4):258–259. doi:10.1001/archneur.1983.04050040088025
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