Kiyoshi Inokuchi, M. D. , Ph. D. , Kenichiro Okadome, M. D

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Presentation transcript:

A desktop computer to visualize the intraluminal velocity profile and its clinical application Kiyoshi Inokuchi, M.D., Ph.D., Kenichiro Okadome, M.D., Kazunari Ohtsuka, M.D., Youichi Muto, M.D., Masazumi Kuroki, M.D., Taizo Miyazaki, M.D., Hisasada Takahara, E.D. Journal of Vascular Surgery Volume 1, Issue 6, Pages 787-794 (November 1984) DOI: 10.1016/0741-5214(84)90010-7 Copyright © 1984 Society for Vascular Surgery and North American Chapter, International Society for Cardiovascular Surgery Terms and Conditions

Fig. 1 Blood flow computer analyzer. Journal of Vascular Surgery 1984 1, 787-794DOI: (10.1016/0741-5214(84)90010-7) Copyright © 1984 Society for Vascular Surgery and North American Chapter, International Society for Cardiovascular Surgery Terms and Conditions

Fig. 2 Example of display by computer analyzer. Flow waveform, curve of shear stress in cardiac cycle, intraluminal velocity profile, and value of τ-variation were recorded. Journal of Vascular Surgery 1984 1, 787-794DOI: (10.1016/0741-5214(84)90010-7) Copyright © 1984 Society for Vascular Surgery and North American Chapter, International Society for Cardiovascular Surgery Terms and Conditions

Fig. 3 Correlation of outcome of arterial reconstruction with value of τ-variation. Journal of Vascular Surgery 1984 1, 787-794DOI: (10.1016/0741-5214(84)90010-7) Copyright © 1984 Society for Vascular Surgery and North American Chapter, International Society for Cardiovascular Surgery Terms and Conditions

Fig. 4 Clinical assessment of flow waveform in peripheral arterial reconstruction. Journal of Vascular Surgery 1984 1, 787-794DOI: (10.1016/0741-5214(84)90010-7) Copyright © 1984 Society for Vascular Surgery and North American Chapter, International Society for Cardiovascular Surgery Terms and Conditions

Fig. 5 Follow-up cases in which early failure was successfully prevented with flow waveform analysis. A-I = aortoiliac synthetic bypass; A-F = aortofemoral synthetic bypass; F-P = femoropopliteal autologous vein bypass; Ax-F = axillofemoral synthetic bypass; F-F = femorofemoral crossover synthetic bypass; TEA = thromboend-arterectomy of superficial femoral artery. Journal of Vascular Surgery 1984 1, 787-794DOI: (10.1016/0741-5214(84)90010-7) Copyright © 1984 Society for Vascular Surgery and North American Chapter, International Society for Cardiovascular Surgery Terms and Conditions

Fig. 6 Case in which early graft failure could be prevented by use of blood flow waveform analysis. Journal of Vascular Surgery 1984 1, 787-794DOI: (10.1016/0741-5214(84)90010-7) Copyright © 1984 Society for Vascular Surgery and North American Chapter, International Society for Cardiovascular Surgery Terms and Conditions

Fig. 7 Results of follow-up study in which Doppler flow waveform analysis was used in 148 reconstructed arteries. Journal of Vascular Surgery 1984 1, 787-794DOI: (10.1016/0741-5214(84)90010-7) Copyright © 1984 Society for Vascular Surgery and North American Chapter, International Society for Cardiovascular Surgery Terms and Conditions

Fig. 8 Follow-up case in which early stenotic lesion of reconstructed artery could be detected by Doppler flow waveform analysis. Journal of Vascular Surgery 1984 1, 787-794DOI: (10.1016/0741-5214(84)90010-7) Copyright © 1984 Society for Vascular Surgery and North American Chapter, International Society for Cardiovascular Surgery Terms and Conditions

Fig. 9 Cumulative patency rate. Improvement of long-term patency rate in recent group (closed circles) compared with former group (open circles). Journal of Vascular Surgery 1984 1, 787-794DOI: (10.1016/0741-5214(84)90010-7) Copyright © 1984 Society for Vascular Surgery and North American Chapter, International Society for Cardiovascular Surgery Terms and Conditions

Fig. 10 Changes of flow waveform and API in follow-up period. Open circles represent cases in which API remained unchanged, despite untoward change in flow waveform. Closed circles represent cases in which API and flow waveform changed in parallel fashion. Journal of Vascular Surgery 1984 1, 787-794DOI: (10.1016/0741-5214(84)90010-7) Copyright © 1984 Society for Vascular Surgery and North American Chapter, International Society for Cardiovascular Surgery Terms and Conditions