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4 results on '"Nishitani, Masashi"'

1. Cross-Line — A Globally Adaptive Control Method of Interconnection Network

Author

Yokota, Takashi, Nishitani, Masashi, Ootsu, Kanemitsu, Furukawa, Fumihito, Baba, Takanobu, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Doug, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Labarta, Jesús, editor, Joe, Kazuki, editor, and Sato, Toshinori, editor

Published
2008
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3. Cross-Line — A Globally Adaptive Control Method of Interconnection Network.

Author

Hutchison, David, Kanade, Takeo, Kittler, Josef, Kleinberg, Jon M., Mattern, Friedemann, Mitchell, John C., Naor, Moni, Nierstrasz, Oscar, Pandu Rangan, C., Steffen, Bernhard, Sudan, Madhu, Terzopoulos, Demetri, Tygar, Doug, Vardi, Moshe Y., Weikum, Gerhard, Labarta, Jesús, Joe, Kazuki, Sato, Toshinori, Yokota, Takashi, and Nishitani, Masashi

Abstract

An ordinal interconnection network is composed of many independent routers that can cooperate as a communication subsystem in a massively parallel system. Many routing algorithms are proposed in the past, however, they do scarcely utilize global network information. In this paper, we propose a new adaptive routing method, Cross-Line, that makes efficient use of global information over the network. The algorithm achieves global routing control efficiently by collecting just one-bit information of each virtual channel in the x- and y-directions. Analytical and simulation results reveal the effectiveness of the algorithm. [ABSTRACT FROM AUTHOR]

Published
2008
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4. [A clinical study of endoscopic local coagulation therapy for hepatocellular carcinoma (HCC)].

Author

Shiozaki S, Nishitani M, Yamada E, Okusha H, Mimae T, Furukawa T, Morita A, Kubo Y, Choda Y, Nishizaki M, Harano M, Aoki H, Onoda T, Ohno S, Ninomiya M, and Takakura N

Subjects
Carcinoma, Hepatocellular mortality, Female, Hepatectomy, Humans, Laparoscopy, Length of Stay, Liver Neoplasms mortality, Male, Microwaves therapeutic use, Neoplasm Recurrence, Local, Thoracoscopy, Carcinoma, Hepatocellular surgery, Electrocoagulation methods, Endoscopy, Digestive System, Liver Neoplasms surgery
Abstract

Eighteen subjects with cases of HCC who underwent endoscopic local coagulation therapy at Hiroshima City Hospital between 1998 and 2004 were studied and compared with 6 cases of HCC patients who underwent laparoscopic partial hepatectomy during the same period. The subjects composed of 10 cases of laparoscopic microwave coagulation therapy (L-MCT), 5 cases of laparoscopic radio frequency ablation therapy (L-RFA), and 3 cases of thoracoscopic microwave coagulation therapy (T-MCT). The operation time was 114 minutes for L-MCT and 92 minutes for L-RFA, both of which were significantly shorter than 208 minutes for resection cases. No complications were developed in any of the cases and the postoperative hospitalization period of the cases was 13.1 days, 8.2 days, and 13.0 days, respectively. Although each case of local recurrence was observed both in L-MCT and L-RFA groups, one case displayed observation difficulty from the liver surface and the other required a daughter nodule. The three-year survival rate was 71.4%, while the five-year survival rate was 53.6%. Endoscopic local coagulation therapy is not too invasive and useful for hepatocellular carcinoma in which percutaneous RFA is difficult. However, it is well indicated when the scope is evident with observation being feasible from the liver surface.

Published
2005

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