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1. Poster display IV experimental and instrumentation

Author

Masoli, O. Osvaldo, Redruello, M., Ogresta, F., Collaud, C., Koslowski, P., Baliño, N. Perez, Eleta, M., Arce, P., Vidal, L., Kardash, O., Maroz-Vadalajskaya, N. Natalia, Vanhove, C. Christian, Lahoutte, T., Defrise, M., Andreyev, A., Bossuyt, A., Franken, P. R., Franken, P. R. Philippe, Lahoutte, T., Maskali, F., Vanhove, C., Nloga, J., Tran, N., Marie, P. Y., Peix, A. Amalia, Garcia-Barreto, D., Ponce, F., Cabrera, L. O., Valiente, J., Tornes, F., Guerrero, I., Heres, F., Garcia, E. J., Cabale, B., Bindslev, L. Lene, Bisgaard, K. B. Kirsten, Haack-Soerensen, M. H. S. Mandana, Mortensen, S. M. Steen, Kragh, L. K. Linda, Kjaer, A. K. Andreas, Kastrup, J. K. Jens, Hesse, B. H. Birger, Aboul-Enein, F. Fatma, Battah, A., Fattah, A. Abdel, Atty, A. Abdel, Allam, A., Riou, L. Laurent, Broisat, A., Ghezzi, C., Lartizien, C., Berthonneche, C., Toufektsian, M. C., Maitrejean, S., Janier, M., Vanzetto, G., Fagret, D., Rouzet, F. Francois, Daou, D., Lebtahi, R., Frank, R., Leenhardt, A., Slama, M., Guludec, D. Le, Sarda-Mantel, L. Laure, Michel, J. B., Rouzet, F., Martet, G., Meulemans, A., Vrigneaud, J. M., Guludec, D. Le, Daou, D. Doumit, Coaguila, C., Benada, A., Razzouk, M., Idy-Peretti, I., Guludec, D. Le, Vilain, D., Lebtahi, R., Guludec, D. Le, Stegger, L. Lars, Schäfers, K., Flögel, U., Schrader, J., Schober, O., Levkau, B., Schäfers, M., Kies, P. Peter, Wichter, T., Schäfers, K. P., Schäfers, M., Wielepp, J. P. Peter, Baller, D., Pulawski, E., Weise, R., Fricke, E., Horstkotte, D., Burchert, W., Eckert, S., Dongas, A., Horstkotte, D., Burchert, W., Nekolla, S. G. Stephan, Martinez, M. J., Howe, W., Kehren, F., Ziegler, S. I., Vassiliadis, I. Ioannis, Souretis, G., Komporozos, C., Fountos, A., Papademetriou, A., Spanos, A., Antoniou, A., Strembelas, P., Moralidis, E. Efstratios, Arsos, G., Boundas, D., Georga, S., Karatzas, N., Karakatsanis, K., Prassopoulos, V. Vassilios, Parthenakis, F., Patrianakos, A., Koukouraki, S., Velidaki, A., Karkavitsas, N., Vardas, P., Velidaki, A. Antigone, Perisinakis, K., Koukouraki, S., Koutsikos, J., Prassopoulos, V., Vardas, P., Karkavitsas, N., Sundaraiya, S. Sumati, Sumati, S., Sambhasivam, KA., David, S., Zakavi, S. R. Seyed Rasoul, Kakhki, V. R. Dabagh, Jabari, H., Zingerman, B., Bendayan, D., Sagie, A., Solodky, A., Mats, I., Shapira, Y., Kremer, M. R., Zafrir, N. Nili, Rimini, M. L. Maria Luisa De, Catalano, M., Bonzani, G., Scalzone, A., Merenda, R., Monteforte, I., Monda, V., Muto, P., Carboni, G. P. Gian Piero, Miglionico, M., Tavolozza, M., Marcassa, C. Claudio, Campini, R., Calza, P., Giannuzzi, P., Eleuteri, E., Marcassa, C. Claudio, Campini, R., Scapellato, F., Temporelli, P. L., Giannuzzi, P., Pellegrino, T., Storto, G., Sorrentino, A. R., Silvestri, A., Filardi, P. Perrone, Brevetti, G., Cuocolo, A. Alberto, Cho, K. Keiichi, Kumita, S., Seino, K., Nakajo, H., Toba, M., Kumazaki, T., Muramatsu, T. Toshihiro, Yamazaki, T., Seki, K., Kawanami, J., Nakajima, T., Yamada, Y., Suga, T., Matsumoto, K., Nishimura, S., Taki, J. Junichi, Higuchi, T., Kawashima, A., Nakajima, K., Muramori, A., Matsunari, I., Tait, J. F., Vanderheyden, J. L., Strauss, H. W., Tonami, N., Adachi, I. Itaru, Shimomura, H., Kintaka, T., Komori, T., Ogura, Y., Kitaura, Y., Narabayashi, I., Iida, H. Hidehiro, Zeniya, T., Kim, K. M., Watabe, H., Teramoto, N., Yamamichi, Y., Alexanderson, E. Erick, Ricalde, A., Vargas, A., Meave, A., Amigo, M. C., Misko, J., Dziuk, M. Miroslaw, Warczynska, A., Skrobowska, E., Vasconcelos, M. Mariana, Martins, E., Faria, T., Oliveira, A., Pardal, N., Macedo, F., Pereira, J., Rocha-Gonçalves, F., Cantinho, G. Guilhermina, Pena, H., Freire, L., Veiga, A., Gonçalves, P., Godinho, F., Chua, T. Terrance, Lee, C. Y., Keng, F., Ding, Z. P., Koh, T. H., Awamleh, P. Paula, Talavera, P., Torres, V., Balsa, M. A., González, O., Alberca, M. T., Miguel, R., Cosío, F. G., Lomsky, M. Milan, Richter, J., Johansson, L., El-Ali, H., Åström, K., Ljungberg, M., Edenbrandt, L., Hung, G. U. Guang-Uei, Lee, K. W., Chen, C. P., Yang, K. T., Pekindil, G., Sarikaya, A. Ali, Ege, T., Salihoglu, S., Entok, E. Emre, Cavusoglu, Y., Ak, I., Vardareli, E., Timuralp, B., Tout, D. Deborah, Loong, C. Y., Naidoo, V. V., Aswegen, A. Van, Underwood, S. R., Thorley, P. J. Penelope, Goris, M. Michael, ZHU, H. J., Clements, I. P. Ian, Mullan, B. P., O’Connor, M. K., Breen, J. F., McGregor, C. G. A., Liu, Y. H. Yi-Hwa, Li, S., Bourke, B., Weyman, C., Sinusas, A. J., Ramakrishna, G. Gautam, Miller, T. D., O’Connor, M. K., Gibbons, R. J., Tsatkin, V., Wackers, F. J. T. H., Liu, Y. H. Yi-Hwa, Tsatkin, V., Prior, J. O. John, Facta, A. D., Schindler, T. H., Oxilia-Estigarribia, M. A., Hernandez-Pampaloni, M., Campisi, R., Zhang, X., Bischof-Delaloye, A., Nathan, L., Schelbert, H. R., Gullberg, G. T. Grant, Huesman, R. H., Reutter, B. W., Sitek, A., Veress, A. I., Weiss, J. A., Qi, J., Yang, Y., Gordi, T. Toufigh, Olmsted, A., Lieu, H., and Belardinelli, L.

Published
2005
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4. Poster display IV experimental and instrumentation

Author

Masoli, O., Redruello, M., Ogresta, F., Collaud, C., Koslowski, P., Baliño, N., Eleta, M., Arce, P., Vidal, L., Kardash, O., Maroz-Vadalajskaya, N., Vanhove, C., Lahoutte, T., Defrise, M., Andreyev, A., Bossuyt, A., Franken, P., Maskali, F., Nloga, J., Tran, N., Marie, P., Peix, A., Garcia-Barreto, D., Ponce, F., Cabrera, L., Valiente, J., Tornes, F., Guerrero, I., Heres, F., Garcia, E., Cabale, B., Bindslev, L., Bisgaard, K., Haack-Soerensen, M., Mortensen, S., Kragh, L., Kjaer, A., Kastrup, J., Hesse, B., Aboul-Enein, F., Battah, A., Fattah, A., Atty, A., Allam, A., Riou, L., Broisat, A., Ghezzi, C., Lartizien, C., Berthonneche, C., Toufektsian, M., Maitrejean, S., Janier, M., Vanzetto, G., Fagret, D., Rouzet, F., Daou, D., Lebtahi, R., Frank, R., Leenhardt, A., Slama, M., Guludec, D., Sarda-Mantel, L., Michel, J., Martet, G., Meulemans, A., Vrigneaud, J., Coaguila, C., Benada, A., Razzouk, M., Idy-Peretti, I., Vilain, D., Stegger, L., Schäfers, K., Flögel, U., Schrader, J., Schober, O., Levkau, B., Schäfers, M., Kies, P., Wichter, T., Wielepp, J., Baller, D., Pulawski, E., Weise, R., Fricke, E., Horstkotte, D., Burchert, W., Eckert, S., Dongas, A., Nekolla, S., Martinez, M., Howe, W., Kehren, F., Ziegler, S., Vassiliadis, I., Souretis, G., Komporozos, C., Fountos, A., Papademetriou, A., Spanos, A., Antoniou, A., Strembelas, P., Moralidis, E., Arsos, G., Boundas, D., Georga, S., Karatzas, N., Karakatsanis, K., Prassopoulos, V., Parthenakis, F., Patrianakos, A., Koukouraki, S., Velidaki, A., Karkavitsas, N., Vardas, P., Perisinakis, K., Koutsikos, J., Sundaraiya, S., Sumati, S., Sambhasivam, KA, David, S., Zakavi, S., Kakhki, V., Jabari, H., Zingerman, B., Bendayan, D., Sagie, A., Solodky, A., Mats, I., Shapira, Y., Kremer, M., Zafrir, N., Rimini, M., Catalano, M., Bonzani, G., Scalzone, A., Merenda, R., Monteforte, I., Monda, V., Muto, P., Carboni, G., Miglionico, M., Tavolozza, M., Marcassa, C., Campini, R., Calza, P., Giannuzzi, P., Eleuteri, E., Scapellato, F., Temporelli, P., Pellegrino, T., Storto, G., Sorrentino, A., Silvestri, A., Filardi, P., Brevetti, G., Cuocolo, A., Cho, K., Kumita, S., Seino, K., Nakajo, H., Toba, M., Kumazaki, T., Muramatsu, T., Yamazaki, T., Seki, K., Kawanami, J., Nakajima, T., Yamada, Y., Suga, T., Matsumoto, K., Nishimura, S., Taki, J., Higuchi, T., Kawashima, A., Nakajima, K., Muramori, A., Matsunari, I., Tait, J., Vanderheyden, J., Strauss, H., Tonami, N., Adachi, I., Shimomura, H., Kintaka, T., Komori, T., Ogura, Y., Kitaura, Y., Narabayashi, I., Iida, H., Zeniya, T., Kim, K., Watabe, H., Teramoto, N., Yamamichi, Y., Alexanderson, E., Ricalde, A., Vargas, A., Meave, A., Amigo, M., Misko, J., Dziuk, M., Warczynska, A., Skrobowska, E., Vasconcelos, M., Martins, E., Faria, T., Oliveira, A., Pardal, N., Macedo, F., Pereira, J., Rocha-Gonçalves, F., Cantinho, G., Pena, H., Freire, L., Veiga, A., Gonçalves, P., Godinho, F., Chua, T., Lee, C., Keng, F., Ding, Z., Koh, T., Awamleh, P., Talavera, P., Torres, V., Balsa, M., González, O., Alberca, M., Miguel, R., Cosío, F., Lomsky, M., Richter, J., Johansson, L., El-Ali, H., Åström, K., Ljungberg, M., Edenbrandt, L., Hung, G., Lee, K., Chen, C., Yang, K., Pekindil, G., Sarikaya, A., Ege, T., Salihoglu, S., Entok, E., Cavusoglu, Y., Ak, I., Vardareli, E., Timuralp, B., Tout, D., Loong, C., Naidoo, V., Aswegen, A., Underwood, S., Thorley, P., Goris, M., ZHU, H., Clements, I., Mullan, B., O'Connor, M., Breen, J., McGregor, C., Liu, Y., Li, S., Bourke, B., Weyman, C., Sinusas, A., Ramakrishna, G., Miller, T., Gibbons, R., Tsatkin, V., Wackers, F., Prior, J., Facta, A., Schindler, T., Oxilia-Estigarribia, M., Hernandez-Pampaloni, M., Campisi, R., Zhang, X., Bischof-Delaloye, A., Nathan, L., Schelbert, H., Gullberg, G., Huesman, R., Reutter, B., Sitek, A., Veress, A., Weiss, J., Qi, J., Yang, Y., Gordi, T., Olmsted, A., Lieu, H., Belardinelli, L., Masoli, O., Redruello, M., Ogresta, F., Collaud, C., Koslowski, P., Baliño, N., Eleta, M., Arce, P., Vidal, L., Kardash, O., Maroz-Vadalajskaya, N., Vanhove, C., Lahoutte, T., Defrise, M., Andreyev, A., Bossuyt, A., Franken, P., Maskali, F., Nloga, J., Tran, N., Marie, P., Peix, A., Garcia-Barreto, D., Ponce, F., Cabrera, L., Valiente, J., Tornes, F., Guerrero, I., Heres, F., Garcia, E., Cabale, B., Bindslev, L., Bisgaard, K., Haack-Soerensen, M., Mortensen, S., Kragh, L., Kjaer, A., Kastrup, J., Hesse, B., Aboul-Enein, F., Battah, A., Fattah, A., Atty, A., Allam, A., Riou, L., Broisat, A., Ghezzi, C., Lartizien, C., Berthonneche, C., Toufektsian, M., Maitrejean, S., Janier, M., Vanzetto, G., Fagret, D., Rouzet, F., Daou, D., Lebtahi, R., Frank, R., Leenhardt, A., Slama, M., Guludec, D., Sarda-Mantel, L., Michel, J., Martet, G., Meulemans, A., Vrigneaud, J., Coaguila, C., Benada, A., Razzouk, M., Idy-Peretti, I., Vilain, D., Stegger, L., Schäfers, K., Flögel, U., Schrader, J., Schober, O., Levkau, B., Schäfers, M., Kies, P., Wichter, T., Wielepp, J., Baller, D., Pulawski, E., Weise, R., Fricke, E., Horstkotte, D., Burchert, W., Eckert, S., Dongas, A., Nekolla, S., Martinez, M., Howe, W., Kehren, F., Ziegler, S., Vassiliadis, I., Souretis, G., Komporozos, C., Fountos, A., Papademetriou, A., Spanos, A., Antoniou, A., Strembelas, P., Moralidis, E., Arsos, G., Boundas, D., Georga, S., Karatzas, N., Karakatsanis, K., Prassopoulos, V., Parthenakis, F., Patrianakos, A., Koukouraki, S., Velidaki, A., Karkavitsas, N., Vardas, P., Perisinakis, K., Koutsikos, J., Sundaraiya, S., Sumati, S., Sambhasivam, KA, David, S., Zakavi, S., Kakhki, V., Jabari, H., Zingerman, B., Bendayan, D., Sagie, A., Solodky, A., Mats, I., Shapira, Y., Kremer, M., Zafrir, N., Rimini, M., Catalano, M., Bonzani, G., Scalzone, A., Merenda, R., Monteforte, I., Monda, V., Muto, P., Carboni, G., Miglionico, M., Tavolozza, M., Marcassa, C., Campini, R., Calza, P., Giannuzzi, P., Eleuteri, E., Scapellato, F., Temporelli, P., Pellegrino, T., Storto, G., Sorrentino, A., Silvestri, A., Filardi, P., Brevetti, G., Cuocolo, A., Cho, K., Kumita, S., Seino, K., Nakajo, H., Toba, M., Kumazaki, T., Muramatsu, T., Yamazaki, T., Seki, K., Kawanami, J., Nakajima, T., Yamada, Y., Suga, T., Matsumoto, K., Nishimura, S., Taki, J., Higuchi, T., Kawashima, A., Nakajima, K., Muramori, A., Matsunari, I., Tait, J., Vanderheyden, J., Strauss, H., Tonami, N., Adachi, I., Shimomura, H., Kintaka, T., Komori, T., Ogura, Y., Kitaura, Y., Narabayashi, I., Iida, H., Zeniya, T., Kim, K., Watabe, H., Teramoto, N., Yamamichi, Y., Alexanderson, E., Ricalde, A., Vargas, A., Meave, A., Amigo, M., Misko, J., Dziuk, M., Warczynska, A., Skrobowska, E., Vasconcelos, M., Martins, E., Faria, T., Oliveira, A., Pardal, N., Macedo, F., Pereira, J., Rocha-Gonçalves, F., Cantinho, G., Pena, H., Freire, L., Veiga, A., Gonçalves, P., Godinho, F., Chua, T., Lee, C., Keng, F., Ding, Z., Koh, T., Awamleh, P., Talavera, P., Torres, V., Balsa, M., González, O., Alberca, M., Miguel, R., Cosío, F., Lomsky, M., Richter, J., Johansson, L., El-Ali, H., Åström, K., Ljungberg, M., Edenbrandt, L., Hung, G., Lee, K., Chen, C., Yang, K., Pekindil, G., Sarikaya, A., Ege, T., Salihoglu, S., Entok, E., Cavusoglu, Y., Ak, I., Vardareli, E., Timuralp, B., Tout, D., Loong, C., Naidoo, V., Aswegen, A., Underwood, S., Thorley, P., Goris, M., ZHU, H., Clements, I., Mullan, B., O'Connor, M., Breen, J., McGregor, C., Liu, Y., Li, S., Bourke, B., Weyman, C., Sinusas, A., Ramakrishna, G., Miller, T., Gibbons, R., Tsatkin, V., Wackers, F., Prior, J., Facta, A., Schindler, T., Oxilia-Estigarribia, M., Hernandez-Pampaloni, M., Campisi, R., Zhang, X., Bischof-Delaloye, A., Nathan, L., Schelbert, H., Gullberg, G., Huesman, R., Reutter, B., Sitek, A., Veress, A., Weiss, J., Qi, J., Yang, Y., Gordi, T., Olmsted, A., Lieu, H., and Belardinelli, L.

Published
2018

7. [Examination concerning dissociation of left ventricular volume calculation value based on difference of analytical algorithm and perfusion tracer in gated myocardial SPECT]

Author

Yoshimitsu Fukushima, Kumita S, Toba M, Cho K, Nakajo H, Mizumura S, Akiyama K, and Kumazaki T

Subjects
Adult, Male, Tomography, Emission-Computed, Single-Photon, Myocardial Ischemia, Gated Blood-Pool Imaging, Organotechnetium Compounds, Middle Aged, Ventricular Function, Left, Electrocardiography, Thallium Radioisotopes, Organophosphorus Compounds, Humans, Female, Radiopharmaceuticals, Thallium, Algorithms, Software, Aged
Abstract

According to improvement of SPECT system, ECG-gated SPECT with 201TlCl have been applied to the left ventricular volumetry. In this study 24 patients without ischemia demonstrated by stress (99mTc-TF) and rest (201TlCl) dual-isotope ECG-gated myocardial SPECT were enrolled. To evaluate left ventricular volumetry using 201Tl ECG-gated SPECT data, the left ventricular end diastolic volumes (EDV) were compared between Quantitative Gated SPECT (QGS) and Emory Cardiac Toolbox (ECT) as well as between dual-isotopes based on the same ECG-gated data. The EDV values with 99mTc data (EDVTc) using QGS were well correlated with those using ECT (r = 0.96, p0.0001). Both QGS and ECT demonstrated well correlation between EDVTc (r = 0.98, p0.0001) and the EDV value with 201Tl (EDVTl) (r = 0.93, p0.0001). However, QGS processing induced significantly lower EDVTl compared with EDVTc. In contrast, EDVTl were significantly higher than EDVTc in ECT performance. The QGS errors subtracting EDVTl from EDVTc were more evident according to the left ventricular volume increase. On the other hand, ECT error showed no tendency associated with the left ventricular volume. From these results, a careful strategy for selection of tracers and softwares should be necessary to assessment of quantitative values derived from ECG-gated SPECT data because of interaction with softwares, tracers, and subjects.

Published
2002

8. Material flow analysis and resources problem of indium.

Author

Endo K., Miyahara Y., Nakajo H., Okumura S., Shiba H., Takeda K., Toba Y., Yamashita M., Endo K., Miyahara Y., Nakajo H., Okumura S., Shiba H., Takeda K., Toba Y., and Yamashita M.

Abstract

About 80% of In production is used in the electronics industry as indium tin oxide for flat display panels. Refinery production, final product processing, material flow and the current situation with regard to resources and recycling are analysed based on data for 2003, and trends for the period 2003-2025 estimated using three scenarios. The results indicate that resources will be exhausted by 2010. Advances in recycling technology and a reduction in the amount of In used in flat panel displays may extend this date to 2025. The toxicity of In is uncertain and the material flow in Japan is not very high, so the effect of In pollution is expected to be very low. Comparison of price changes with those of Fe, Cu, Zn, Ag, Au show that the price of In is reasonable. Production, prices and future resources will be strongly affected by Zn refinery output, alternative technologies in the electronics industry and developments in recycling systems., About 80% of In production is used in the electronics industry as indium tin oxide for flat display panels. Refinery production, final product processing, material flow and the current situation with regard to resources and recycling are analysed based on data for 2003, and trends for the period 2003-2025 estimated using three scenarios. The results indicate that resources will be exhausted by 2010. Advances in recycling technology and a reduction in the amount of In used in flat panel displays may extend this date to 2025. The toxicity of In is uncertain and the material flow in Japan is not very high, so the effect of In pollution is expected to be very low. Comparison of price changes with those of Fe, Cu, Zn, Ag, Au show that the price of In is reasonable. Production, prices and future resources will be strongly affected by Zn refinery output, alternative technologies in the electronics industry and developments in recycling systems.

Published
2007

31. Is there any difference in human pupillary reaction when different acupuncture points are stimulated?

Author

Mori H, Tanaka TH, Kuge H, Taniwaki E, Sasaki K, Yamashita K, Nakajo H, and Kikuchi Y

Subjects
ACUPUNCTURE research, PUPILLOMETRY, PUPIL (Eye), PATIENTS, ACUPUNCTURE points
Abstract

Objectives To determine if there is any difference in pupillary response among different acupuncture stimulation sites. Methods The subjects were 14 healthy males who had no known eye diseases or abnormality in their pupils. They received five different interventions: no acupuncture stimulation (hereinafter 'no-stimulation') and acupuncture stimulation at four sites (TE5, ST7, CV12 and ST36). The Latin square design was used to allocate stimulation order. For all acupuncture stimulation interventions, a disposable acupuncture needle was inserted superficially at the acupuncture point. Gentle repetitive tapping stimulation was applied manually during the subject's exhalation phase of respiration, for 90 s. The pupil diameter was continuously measured for 2 min before stimulation, during stimulation and for 2 min after stimulation. Statistical analysis was conducted on serial changes in pupil diameter during acupuncture stimulation on each respective site and during non-stimulation session by analysis of variance and Fisher (least significant difference) multiple comparison, with linear analysis using a mixed model. Results Pupil diameter reduction occurred at 30 s after stimulation on ST7 (p = 0.008) and 60 s after stimulation (p = 0.014) compared with pre-stimulation. The decrease of pupillary diameter occurred 60 s after stimulation on TE5 (p = 0.028) compared with pre-stimulation. On ST36, CV12 and during the non-stimulation intervention, no significant change in the pupil diameter was observed. Conclusions Pupillary reaction varies depending on the different stimulation sites. [ABSTRACT FROM AUTHOR]

Published
2010
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32. Assessment of left ventricular diastolic function with electrocardiography-gated myocardial perfusion SPECT: comparison with multigated equilibrium radionuclide angiography.

Author

Kumita, Shin-ichiro, Cho, Keiichi, Nakajo, Hidenobu, Toba, Masahiro, Uwamori, Mariko, Mizumura, Sunao, Kumazaki, Tatsuo, Sano, Junko, Sakai, Shunta, Munakata, Kazuo, Kumita, S, Cho, K, Nakajo, H, Toba, M, Uwamori, M, Mizumura, S, Kumazaki, T, Sano, J, Sakai, S, and Munakata, K

Subjects
COMPARATIVE studies, CORONARY circulation, DIASTOLE (Cardiac cycle), HEART, LEFT heart ventricle, HEART physiology, RESEARCH methodology, MEDICAL cooperation, RESEARCH, EVALUATION research, SINGLE-photon emission computed tomography, RADIONUCLIDE angiography
Abstract

Background: Technetium-labeled myocardial perfusion tracers allow the simultaneous assessment of myocardial perfusion and left ventricular function by electrocardiography (ECG)-gated myocardial perfusion single photon emission computed tomography (SPECT). This study evaluates left ventricular systolic and diastolic function by ECG-gated SPECT with the use of higher framing (32 frames per cardiac cycle) data acquisition.Methods and Results: After receiving an injection of technetium 99m tetrofosmin, 48 patients with cardiac diseases were examined by ECG-gated myocardial perfusion SPECT with a 3-headed gamma camera. During gated data collection, 32 frames per cardiac cycle were acquired over 360 degrees in 60 steps, each of which consisted of 60 beats. Immediately thereafter, the 32 frames taken at each projection angle were combined into 16-frame and 8-frame data sets. Left ventricular end-diastolic volume (LVEDV, in milliliters), left ventricular end-systolic volume (LVESV, in milliliters), and left ventricular ejection fraction (LVEF, percentage) were automatically calculated from the 32-frame, 16-frame, and 8-frame gated data sets. Left ventricular time-volume curves from the 3 data sets were generated by Fourier curve fitting analysis with the use of 3 harmonics, and then peak filling rate (PFR, per second) was measured. Twenty-nine patients also underwent multigated equilibrium radionuclide angiography (ERNA) to determine the LVEF and PFR. Combining the 32-frame data into 16-frame and 8-frame data sets from the 48 patients generated a smaller LVEDV and a larger LVESV, and LVEF was significantly lower in accordance with the decreasing number of frames. Compared with ERNA studies (n = 29), the Bland-Altman method showed underestimated LVEFs and larger 95% limits of agreement in lower framing gated SPECT.Conclusions: Left ventricular functional parameters obtained from 32-frame gated SPECT correlated closely with those determined by ERNA studies. ECG-gated SPECT with 32-frame data can provide comprehensive information with which to evaluate many types of cardiac diseases. [ABSTRACT FROM AUTHOR]

Published
2001
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33. Serial assessment of left ventricular function during dobutamine stress by means of electrocardiography-gated myocardial SPECT: combination with dual-isotope myocardial perfusion SPECT for detection of ischemic heart disease.

Author

Kumita, Shin-ichiro, Cho, Keiichi, Nakajo, Hidenobu, Toba, Masahiro, Kijima, Tetsuji, Mizumura, Sunao, Oshina, Takashi, Kumazaki, Tatsuo, Sano, Junko, Sakurai, Kaoru, Munakata, Kazuo, Kumita, S, Cho, K, Nakajo, H, Toba, M, Kijima, T, Mizumura, S, Oshina, T, Kumazaki, T, and Sano, J

Subjects
BLOOD pressure, CORONARY circulation, CORONARY disease, DOBUTAMINE, ELECTROCARDIOGRAPHY, HEART, LEFT heart ventricle, HEART physiology, HEART beat, MYOCARDIAL infarction, ORGANIC compounds, ORGANOPHOSPHORUS compounds, RADIOPHARMACEUTICALS, SINGLE-photon emission computed tomography
Abstract

Background: Technetium-labeled myocardial perfusion tracers allow simultaneous assessment of myocardial perfusion and left ventricular function by electrocardiography (ECG)-gated myocardial single photon emission computed tomography (SPECT). The purpose of this study was to evaluate left ventricular performance during dobutamine stress by means of ECG-gated myocardial perfusion SPECT with short-time data collection.Methods and Results: After administration of Tc-99m sestamibi or tetrofosmin (600-740 MBq), 67 patients with ischemic heart disease, including 35 with prior myocardial infarction, were examined by ECG-gated myocardial perfusion SPECT at rest and during dobutamine stress (at dosages of 4, 8, 12, 16, and 20 microg/kg/min, with increments every 8 minutes). The ECG-gated data collection time was 5 minutes for each dobutamine dosage. After acquisition of gated SPECT data at the highest dose, thallium 201 chloride (111 MBq) was injected, and dual-isotope SPECT was also performed to assess the myocardial ischemia. In 32 patients without prior myocardial infarction, the sensitivity of individual stenosed-vessel detection with dual-isotope perfusion SPECT, with wall motion abnormality obtained from gated SPECT, and with the combined method was 55.9%, 52.9%, and 73.5%, respectively, based on coronary angiography. ECG-gated SPECT during dobutamine infusion revealed regional wall motion abnormalities (worsening or biphasic response) in 19 (57.6%) of 33 infarcted areas with culprit coronary arterial stenosis. The prevalence of reversible perfusion defects on dual-isotope SPECT was higher in segments with wall motion abnormalities than in segments with normal wall motion response (89.5% vs 42.9%, P <.02).Conclusions: Myocardial perfusion and left ventricular function during dobutamine infusion were analyzed in a single examination by means of the combined method. This procedure has the potential to provide comprehensive information with which to evaluate patients with ischemic heart disease. [ABSTRACT FROM AUTHOR]

Published
2001
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34. Comparison of Emory and Cedars-Sinai methods for assessment of left ventricular function from gated myocardial perfusion SPECT in patients with a small heart.

Author

Toba, Masahiro, Kumita, Shin-ichiro, Cho, Keiichi, Mizumura, Sunao, Kijima, Tetsuji, Nakajo, Hidenobu, Kumazaki, Tatsuo, Toba, M, Kumita, S, Cho, K, Mizumura, S, Kijima, T, Nakajo, H, and Kumazaki, T

Abstract

To evaluate the effect of left ventricular (LV) size on the calculation of LV function from gated myocardial SPECT with Emory and Cedars-Sinai programs, we performed 99mTc-tetrofosmin gated SPECT on 49 patients with ischemic heart disease. End-diastolic volume (EDV), end-systolic volume (ESV), and ejection fraction (EF) were semi-automatically calculated by each program. All patients underwent left ventriculography (LVG) within 3 months before and after the SPECT study. We grouped the patients into 22 with a calculated ESV obtained from LVG of over 50 ml (group A) and 27 with an ESV value of 50 ml or below (group B). We then compared the ESV values from gated SPECT with those from LVG in each group. In group A, the ESV from both Emory and Cedars-Sinai programs similarly correlated well with those from LVG (r = 0.92 and r = 0.93, respectively), but in group B, the ESV calculated from the Cedars-Sinai program correlated less with those from LVG (r = 0.53) than those from the Emory program did (r = 0.70). The calculated LV volumes had more errors in the Cedars-Sinai program than in the Emory program, when a patient had a small heart. [ABSTRACT FROM AUTHOR]

Published
2000
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35. Simultaneous assessment of Tc-99m-sestamibi and I-123-BMIPP myocardial distribution in patients with myocardial infarction: evaluation of left ventricular function with ECG-gated myocardial SPECT.

Author

Kumita, Shin-ichiro, Cho, Keiichi, Nakajo, Hidenobu, Toba, Masahiro, Kijima, Tetsuji, Mizumura, Sunao, Kumazaki, Tatsuo, Sano, Junko, Munakata, Kazuo, Kishida, Hiroshi, Takano, Teruo, Kumita, S, Cho, K, Nakajo, H, Toba, M, Kijima, T, Mizumura, S, Kumazaki, T, Sano, J, and Munakata, K

Abstract

123I-labeled 15-(p-iodophenyl)-3R,S-methyl pentadecanoic acid (BMIPP) is a branched-chain free fatty acid that is used to evaluate various cardiac diseases. The aim of the present study was to investigate the relationship between myocardial perfusion (99mTc-sestamibi) and BMIPP uptake, and to correlate perfusion and metabolic alterations with regional left ventricular dysfunction in patients with myocardial infarction (MI). ECG-gated dual-isotope myocardial SPECT was performed on 130 patients with MI with sestamibi (555 MBq) and BMIPP (148 MBq). The patients were classified into 3 groups according to PTCA therapy and the interval between the onset of infarction and RI injection (OR time). Group A (n-56) included patients whose OR time was less than one month and who had undergone successful PTCA, Group B (n=36) had OR times of less than one month and had conservative medical therapy, and Group C (n=38) had OR times of over one month. The severity scores of the dual-isotope images were calculated from the defect scores in 9 segments. From the ECG-gated SPECT data with sestamibi, the left ventricular ejection fraction (LVEF; %) and regional wall motion were determined automatically using the QGS programTM. LVEF obtained from gated SPECT correlated well with the severity scores for sestamibi and BMIPP (r=−0.68 and −0.76, respectively). The Δ severity scores (BMIPP scores — sestamibi scores) of Group A were significantly higher than those of the other two groups (3.6±3.0 vs. 1.5±1.7 and 1.0±1.4, p<0.001). The rate of dysfunctional segments with normal sestamibi distribution was significantly higher in Group A than in Group C (20.7% vs. 6.7%, p<0.001). ECG-gated dual-isotope SPECT is useful since myocardial perfusion, fatty acid metabolism and left ventricular function can be analyzed during a single examination, so that this procedure has the potential to provide comprehensive information when evaluating patients with ischemic heart disease. [ABSTRACT FROM AUTHOR]

Published
2000
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37. Rapid data acquisition protocol in ECG-gated myocardial perfusion SPECT with Tc-99m-tetrofosmin.

Author

Kumita, Shin-ichiro, Kumazaki, Tatsuo, Cho, Keiichi, Mizumura, Sunao, Kijima, Tetsuji, Ishihara, Makiko, Nakajo, Hidenobu, Sano, Junko, Tada, Yumiko, Sakai, Shunta, Kusama, Yoshiki, Munakata, Kazuo, Kumita, S, Kumazaki, T, Cho, K, Mizumura, S, Kijima, T, Ishihara, M, Nakajo, H, and Sano, J

Abstract

Into 25 patients with heart disorders, 99mTc-tetrofosmin 555-740 MBq was injected intravenously at rest. After 40 minutes, ECG-gated myocardial perfusion SPECT was performed with a two detector gamma camera VERTEX (ADAC), setting up two detectors to form a 90-degree angle. Sixteen frames per R-R interval were acquired during a 180 degree rotation from the RAO 45 degrees to the LPO 45 degrees. A pair of data sets with standard (SDA) and rapid data acquisition (RDA) protocols was collected. In an SDA protocol, SPECT imaging was performed for 50 sec per step in 5 degree angular steps (total acquisition time; 15 minutes). An RDA protocol was conducted with 12 sec per step, 6 degree angular steps (acquisition time, 3 minutes). LVEF (%) and LVEDV (ml) quantitated automatically with a QGS program showed excellent correlations between two protocols with correlation coefficients of 0.980 (p < 0.01) and 0.983 (p < 0.01), respectively. Subsequently visual assessment of regional wall motion based on a four-point grading system was carried out with a 3-D cine LV display. High complete agreement was gained with 158 (90.3%) out of total 175 segments, so that assessment of the global and regional LV function with the RDA protocol demonstrated high reliability and feasibility. [ABSTRACT FROM AUTHOR]

Published
1998
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39. The discrepancy between 99TcmECD dynamic and static SPET images in patients with ischaemic lesions corresponds to reduced vasoreactivity to acetazolamide

Author

MIZUMURA, S., KUMITA, S., CHO, K., ISHIHARA, M., KIJIMA, T., NAKAJO, H., and KUMAZAKI, T.

Abstract

We evaluated 99Tcm-N,N1-(l,2-ethylenediyl)bis-L-cysteine diethyl ester (99Tcm-ECD) dynamic and static SPET (single photon emission tomographic) images to examine 99Tcm-ECD kinetics under ischaemic cerebrovascular conditions. In 20 patients who showed arterial occlusion on magnetic resonance angiography, dynamic (0–10 min) and static (15–35 min) SPET images were acquired after the intravenous administration of 99Tcm-ECD. Thirteen of the patients had focal perfusion deficits that were more evident on the dynamic than on the static images; the other seven showed no such discrepancy. In those patients with a mismatch between the dynamic and static images, the extent corresponded to reduced vasoreactivity to acetazolamide. Based on quantitative analysis of the ratio of tracer uptake in affected to that in unaffected areas, the patients with discrepant findings showed significantly different ratios on the dynamic and static images, whereas those with no such mismatch did not. Our results suggest that dynamic 99Tcm-ECD images provide circulatory information and that static images reflect a filling-in phenomenon of ECD metabolites in ischaemic lesions. 99Tcm-ECD dynamic and static SPET images offer an alternative method of detecting mild perfusion deficits without the need for acetazolamide challenge. (© 1998 Lippincott Williams & Wilkins)

Published
1998

43. Poster display IV experimental and instrumentation

Author

Masoli, O., Redruello, M., Ogresta, F., Collaud, C., Koslowski, P., Baliño, N., Eleta, M., Arce, P., Vidal, L., Kardash, O., Maroz-Vadalajskaya, N., Vanhove, C., Lahoutte, T., Defrise, M., Andreyev, A., Bossuyt, A., Franken, P., Maskali, F., Nloga, J., Tran, N., Marie, P., Peix, A., Garcia-Barreto, D., Ponce, F., Cabrera, L., Valiente, J., Tornes, F., Guerrero, I., Heres, F., Garcia, E., Cabale, B., Bindslev, L., Bisgaard, K., Haack-Soerensen, M., Mortensen, S., Kragh, L., Kjaer, A., Kastrup, J., Hesse, B., Aboul-Enein, F., Battah, A., Fattah, A., Atty, A., Allam, A., Riou, L., Broisat, A., Ghezzi, C., Lartizien, C., Berthonneche, C., Toufektsian, M., Maitrejean, S., Janier, M., Vanzetto, G., Fagret, D., Rouzet, F., Daou, D., Lebtahi, R., Frank, R., Leenhardt, A., Slama, M., Guludec, D., Sarda-Mantel, L., Michel, J., Martet, G., Meulemans, A., Vrigneaud, J., Coaguila, C., Benada, A., Razzouk, M., Idy-Peretti, I., Vilain, D., Stegger, L., Schäfers, K., Flögel, U., Schrader, J., Schober, O., Levkau, B., Schäfers, M., Kies, P., Wichter, T., Wielepp, J., Baller, D., Pulawski, E., Weise, R., Fricke, E., Horstkotte, D., Burchert, W., Eckert, S., Dongas, A., Nekolla, S., Martinez, M., Howe, W., Kehren, F., Ziegler, S., Vassiliadis, I., Souretis, G., Komporozos, C., Fountos, A., Papademetriou, A., Spanos, A., Antoniou, A., Strembelas, P., Moralidis, E., Arsos, G., Boundas, D., Georga, S., Karatzas, N., Karakatsanis, K., Prassopoulos, V., Parthenakis, F., Patrianakos, A., Koukouraki, S., Velidaki, A., Karkavitsas, N., Vardas, P., Perisinakis, K., Koutsikos, J., Sundaraiya, S., Sumati, S., Sambhasivam, KA, David, S., Zakavi, S., Kakhki, V., Jabari, H., Zingerman, B., Bendayan, D., Sagie, A., Solodky, A., Mats, I., Shapira, Y., Kremer, M., Zafrir, N., Rimini, M., Catalano, M., Bonzani, G., Scalzone, A., Merenda, R., Monteforte, I., Monda, V., Muto, P., Carboni, G., Miglionico, M., Tavolozza, M., Marcassa, C., Campini, R., Calza, P., Giannuzzi, P., Eleuteri, E., Scapellato, F., Temporelli, P., Pellegrino, T., Storto, G., Sorrentino, A., Silvestri, A., Filardi, P., Brevetti, G., Cuocolo, A., Cho, K., Kumita, S., Seino, K., Nakajo, H., Toba, M., Kumazaki, T., Muramatsu, T., Yamazaki, T., Seki, K., Kawanami, J., Nakajima, T., Yamada, Y., Suga, T., Matsumoto, K., Nishimura, S., Taki, J., Higuchi, T., Kawashima, A., Nakajima, K., Muramori, A., Matsunari, I., Tait, J., Vanderheyden, J., Strauss, H., Tonami, N., Adachi, I., Shimomura, H., Kintaka, T., Komori, T., Ogura, Y., Kitaura, Y., Narabayashi, I., Iida, H., Zeniya, T., Kim, K., Watabe, H., Teramoto, N., Yamamichi, Y., Alexanderson, E., Ricalde, A., Vargas, A., Meave, A., Amigo, M., Misko, J., Dziuk, M., Warczynska, A., Skrobowska, E., Vasconcelos, M., Martins, E., Faria, T., Oliveira, A., Pardal, N., Macedo, F., Pereira, J., Rocha-Gonçalves, F., Cantinho, G., Pena, H., Freire, L., Veiga, A., Gonçalves, P., Godinho, F., Chua, T., Lee, C., Keng, F., Ding, Z., Koh, T., Awamleh, P., Talavera, P., Torres, V., Balsa, M., González, O., Alberca, M., Miguel, R., Cosío, F., Lomsky, M., Richter, J., Johansson, L., El-Ali, H., Åström, K., Ljungberg, M., Edenbrandt, L., Hung, G., Lee, K., Chen, C., Yang, K., Pekindil, G., Sarikaya, A., Ege, T., Salihoglu, S., Entok, E., Cavusoglu, Y., Ak, I., Vardareli, E., Timuralp, B., Tout, D., Loong, C., Naidoo, V., Aswegen, A., Underwood, S., Thorley, P., Goris, M., ZHU, H., Clements, I., Mullan, B., O'Connor, M., Breen, J., McGregor, C., Liu, Y., Li, S., Bourke, B., Weyman, C., Sinusas, A., Ramakrishna, G., Miller, T., Gibbons, R., Tsatkin, V., Wackers, F., Prior, J., Facta, A., Schindler, T., Oxilia-Estigarribia, M., Hernandez-Pampaloni, M., Campisi, R., Zhang, X., Bischof-Delaloye, A., Nathan, L., Schelbert, H., Gullberg, G., Huesman, R., Reutter, B., Sitek, A., Veress, A., Weiss, J., Qi, J., Yang, Y., Gordi, T., Olmsted, A., Lieu, H., Belardinelli, L., Masoli, O., Redruello, M., Ogresta, F., Collaud, C., Koslowski, P., Baliño, N., Eleta, M., Arce, P., Vidal, L., Kardash, O., Maroz-Vadalajskaya, N., Vanhove, C., Lahoutte, T., Defrise, M., Andreyev, A., Bossuyt, A., Franken, P., Maskali, F., Nloga, J., Tran, N., Marie, P., Peix, A., Garcia-Barreto, D., Ponce, F., Cabrera, L., Valiente, J., Tornes, F., Guerrero, I., Heres, F., Garcia, E., Cabale, B., Bindslev, L., Bisgaard, K., Haack-Soerensen, M., Mortensen, S., Kragh, L., Kjaer, A., Kastrup, J., Hesse, B., Aboul-Enein, F., Battah, A., Fattah, A., Atty, A., Allam, A., Riou, L., Broisat, A., Ghezzi, C., Lartizien, C., Berthonneche, C., Toufektsian, M., Maitrejean, S., Janier, M., Vanzetto, G., Fagret, D., Rouzet, F., Daou, D., Lebtahi, R., Frank, R., Leenhardt, A., Slama, M., Guludec, D., Sarda-Mantel, L., Michel, J., Martet, G., Meulemans, A., Vrigneaud, J., Coaguila, C., Benada, A., Razzouk, M., Idy-Peretti, I., Vilain, D., Stegger, L., Schäfers, K., Flögel, U., Schrader, J., Schober, O., Levkau, B., Schäfers, M., Kies, P., Wichter, T., Wielepp, J., Baller, D., Pulawski, E., Weise, R., Fricke, E., Horstkotte, D., Burchert, W., Eckert, S., Dongas, A., Nekolla, S., Martinez, M., Howe, W., Kehren, F., Ziegler, S., Vassiliadis, I., Souretis, G., Komporozos, C., Fountos, A., Papademetriou, A., Spanos, A., Antoniou, A., Strembelas, P., Moralidis, E., Arsos, G., Boundas, D., Georga, S., Karatzas, N., Karakatsanis, K., Prassopoulos, V., Parthenakis, F., Patrianakos, A., Koukouraki, S., Velidaki, A., Karkavitsas, N., Vardas, P., Perisinakis, K., Koutsikos, J., Sundaraiya, S., Sumati, S., Sambhasivam, KA, David, S., Zakavi, S., Kakhki, V., Jabari, H., Zingerman, B., Bendayan, D., Sagie, A., Solodky, A., Mats, I., Shapira, Y., Kremer, M., Zafrir, N., Rimini, M., Catalano, M., Bonzani, G., Scalzone, A., Merenda, R., Monteforte, I., Monda, V., Muto, P., Carboni, G., Miglionico, M., Tavolozza, M., Marcassa, C., Campini, R., Calza, P., Giannuzzi, P., Eleuteri, E., Scapellato, F., Temporelli, P., Pellegrino, T., Storto, G., Sorrentino, A., Silvestri, A., Filardi, P., Brevetti, G., Cuocolo, A., Cho, K., Kumita, S., Seino, K., Nakajo, H., Toba, M., Kumazaki, T., Muramatsu, T., Yamazaki, T., Seki, K., Kawanami, J., Nakajima, T., Yamada, Y., Suga, T., Matsumoto, K., Nishimura, S., Taki, J., Higuchi, T., Kawashima, A., Nakajima, K., Muramori, A., Matsunari, I., Tait, J., Vanderheyden, J., Strauss, H., Tonami, N., Adachi, I., Shimomura, H., Kintaka, T., Komori, T., Ogura, Y., Kitaura, Y., Narabayashi, I., Iida, H., Zeniya, T., Kim, K., Watabe, H., Teramoto, N., Yamamichi, Y., Alexanderson, E., Ricalde, A., Vargas, A., Meave, A., Amigo, M., Misko, J., Dziuk, M., Warczynska, A., Skrobowska, E., Vasconcelos, M., Martins, E., Faria, T., Oliveira, A., Pardal, N., Macedo, F., Pereira, J., Rocha-Gonçalves, F., Cantinho, G., Pena, H., Freire, L., Veiga, A., Gonçalves, P., Godinho, F., Chua, T., Lee, C., Keng, F., Ding, Z., Koh, T., Awamleh, P., Talavera, P., Torres, V., Balsa, M., González, O., Alberca, M., Miguel, R., Cosío, F., Lomsky, M., Richter, J., Johansson, L., El-Ali, H., Åström, K., Ljungberg, M., Edenbrandt, L., Hung, G., Lee, K., Chen, C., Yang, K., Pekindil, G., Sarikaya, A., Ege, T., Salihoglu, S., Entok, E., Cavusoglu, Y., Ak, I., Vardareli, E., Timuralp, B., Tout, D., Loong, C., Naidoo, V., Aswegen, A., Underwood, S., Thorley, P., Goris, M., ZHU, H., Clements, I., Mullan, B., O'Connor, M., Breen, J., McGregor, C., Liu, Y., Li, S., Bourke, B., Weyman, C., Sinusas, A., Ramakrishna, G., Miller, T., Gibbons, R., Tsatkin, V., Wackers, F., Prior, J., Facta, A., Schindler, T., Oxilia-Estigarribia, M., Hernandez-Pampaloni, M., Campisi, R., Zhang, X., Bischof-Delaloye, A., Nathan, L., Schelbert, H., Gullberg, G., Huesman, R., Reutter, B., Sitek, A., Veress, A., Weiss, J., Qi, J., Yang, Y., Gordi, T., Olmsted, A., Lieu, H., and Belardinelli, L.

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