Summary
The effects of acute right internal carotid artery occlusion in a previously healthy young male, was studied over a period of 10 months, with angiography, TransCranial Doppler ultrasonography (TCD) and SPECT-rCBF.
A clinically observed inability to meet increased metabolic demand in the right hemisphere was concommitant to a decreased Pulsatility Index (PI) in the right middle cerebral artery (MCA). Autoregulation studies showed almost maximal dilatation of the resistance vessels in the right middle cerebral artery territory, at rest.
A decreased blood flow velocity, in the right middle cerebral artery 7 months after the accident, suggesting a decreased rCBF, could not be confirmed by SPECT-rCBF studies. This finding strongly cautions against interpretation of chronical blood flow velocity changes in terms of changes in regional blood flow.
The present study shows the benefits in the combined use of angiography, SPECT-rCBF, and TCD.
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References
Aaslid R, Lindegaard K-F, Sorteberg W, Nornes H (1989) Cerebral autoregulation dynamics in humans. Stroke 20: 45–52
Aaslid R, Markwalder T-M, Nornes H (1982) Noninvasive transcranial doppler ultrasound recording of flow velocity in basal cerebral arteries. J Neurosurg 57: 769–774
Bishop CRR, Powell S, Rutt D, Browse NL (1986) Transcranial doppler measurement of middle cerebral artery blood flow velocity: a validation study. Stroke 5: 913–915
Gosling RG, King DH (1974) Continuous wave ultrasound as an alternative and complement to x-rays in vascular examinations. Cardiovascular applications of ultrasound. Amsterdam, Reneman, pp 266–282
Hassler W, Chioffi F (1989) CO2 reactivity of cerebral vasospasm after aneurysmal subarachnoid haemorrhage. Acta Neurochir (Wien) 98: 167–175
Kanno I, Lassen NA (1979) Two methods for calculating regional cerebral blood flow from emission computed tomography of inert gas concentrations. J Comput Assist Tomogr 3: 71–76
Kretschmann HJ, Weirinch W (1986) Neuroanatomy and cranial computed tomography. Thieme Verlag, Stuttgart
Lassen NA, Ingvar DH (1972) Radioisotopic assessment of regional blood flow. Prog Nucl Med 1: 376–409
Schneider PA, Rossman ME, Bernstein E, Torem S, Ringelstein EB, Otis SM (1988) Effect of internal carotid artery occlusion on intracranial hemodynamics. Transcranial doppler evaluation and clinical correlation. Stroke 5: 589–593
Seiler RW, Grolimund P, Aaslid R, Huber P, Nornes H (1986) Cerebral vasospasm evaluated by transcranial ultrasound correlated with clinical grade and CT-visualized subarachnoid hemorrhage. J Neurosurg 64: 594–600
Stokley EM, Sveinsdottir E, Lassen NA, Rommer P (1980) A single photon dynamic computer-assisted tomograph (DCAT) for imaging brain function in multiple cross-sections. J Comput Assist Tomogr 4: 230–240
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Westergren, H., Ryding, E., Zbornickova, V. et al. Traumatic occlusion of the internal carotid artery in a healthy young male: Effects on the regional cerebral blood flow. Acta neurochir 113, 91–95 (1991). https://doi.org/10.1007/BF01402121
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DOI: https://doi.org/10.1007/BF01402121