Summary
The ultrasonic pulsation curve can be analysed by the computer. This technique has been useful for measuring haemodynamics. We detected prodromal signs of rebleeding from an intracranial aneurysm.
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References
Matsunaga, M.et al., F.F.T. of the ultrasonic echo pulsation curve—the new diagnostic technique in neurosurgery. The 4th annual meeting of Japan EEG Society (Osaka). Nov. 28, 1974.
Matsunaga, M.et al., Hemodynamic study of the position change in relationship to the blood pressure and also to the cerebral blood flow. The 17th meeting of the Japan Society of Cerebral Blood Flow and Metabolism (Okayama). July 12, 1975.
Matsunaga, M.et al., Sudden raise of cerebral blood flow in preoperative stage of intracranial aneurysm. Proceedings of the 34th annual congress of Japan Neurosurgical Society (Nagoya). Oct. 22, 1975.
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Matsunaga, M., Takagi, T. Mathematical analysis (fast fourier transform) of the ultrasonic echo pulsation curve in brain diseases. Acta neurochir 35, 135–138 (1976). https://doi.org/10.1007/BF01405941
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DOI: https://doi.org/10.1007/BF01405941