Abstract
Greenfield and Tindall noted in 1965 that the diastolic component of the flow waveform in the internal carotid artery decreased and could even go to zero when the intracranial pressure (ICP) was increased to levels 25 to 35 mmHg below the arterial blood pressure (ABP). In patients with brain tamponade, Lindegaard et al. (1980) found reverberating flow velocity waveforms. These changes are gross and reflect extreme conditions for the brain circulation, nevertheless, they suggest that perhaps less obvious changes in the flow pattern may be detected by refined methods of waveform analyses and be used to obtain an estimate of ICP.
Keywords
- Internal Carotid Artery
- Arterial Blood Pressure
- Cerebral Perfusion Pressure
- Pressure Waveform
- Flow Waveform
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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References
Aaslid R, Brubbakk AO (1981) Accuracy of an ultrasound Doppler servo method for noninvasive determination of instantaneous and mean arterial blood pressure. Circulation 64: 753 - 759
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
Greenfield JC, Tindall GT (1965) Effect of acute increase in intracranial pressure on blood flow in the internal carotid artery of man. J Clinical Invest 44: 1343 - 1351
Lindegaard K-F, Grip A, Nornes H (1980) Precerebral Haemodynamics in brain tamponade. Neurochirurgia 23: 133 - 142
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© 1986 Springer-Verlag Berlin Heidelberg
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Aaslid, R., Lundar, T., Lindegaard, K.F., Nornes, H. (1986). Estimation of Cerebral Perfusion Pressure from Arterial Blood Pressure and Transcranial Doppler Recordings. In: Miller, J.D., Teasdale, G.M., Rowan, J.O., Galbraith, S.L., Mendelow, A.D. (eds) Intracranial Pressure VI. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-70971-5_43
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DOI: https://doi.org/10.1007/978-3-642-70971-5_43
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