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Transcranial Doppler Findings in Acute Spontaneous Recanalization of Middle Cerebral Artery Embolism
Author(s) -
Gomez Camllo R.,
Burger Stephen K.,
Smith Robert R.,
Powers Alexandros,
Graeber Michael
Publication year - 1991
Publication title -
journal of neuroimaging
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.822
H-Index - 64
eISSN - 1552-6569
pISSN - 1051-2284
DOI - 10.1111/jon19911263
Subject(s) - medicine , transcranial doppler , middle cerebral artery , occlusion , radiology , embolism , cerebral arteries , doppler effect , cardiology , ischemia , physics , astronomy
Three patients suspected of having acute middle cerebral artery occlusion were studied using transcranial Doppler sonography on admission and again during the following week. Initially, sonographic criteria for acute middle cerebral artery occlusion were present in all 3; however, follow‐up studies revealed normal Doppler waveforms and blood flow velocities. Subacute recanalization of the occlusion has been previously studied with transcranial Doppler sonography and shown to have a characteristic temporal profile evolving over weeks. Acute recanalization, in contrast, is characterized by normalization of the affected vessel's sonographic pattern within days of initial occlusion.

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