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237 results on '"Aramaki, Osamu"'

1. A novel scoring system to predict short-term mortality after living donor liver transplantation for acute liver failure

Author

Sudhindran, Surendran, Yoshizumi, Tomoharu, Hatano, Etsuro, Okumura, Shinya, Hasegawa, Kiyoshi, Egawa, Hiroto, Obara, Hideaki, Yasui, Kazuya, Ogura, Yasuhiro, Jobara, Kanta, Nitta, Hiroyuki, Katagiri, Hirokatsu, Otsuka, Masayuki, Kuboki, Satoshi, Eguchi, Susumu, Hara, Takanobu, Eguchi, Hidetoshi, Sasaki, Kazuki, Aoki, Taku, Ohdan, Hideki, Ohira, Masahiro, Takada, Yasutsugu, Ogawa, Kohei, Fukumoto, Takumi, Kuramitsu, Kaori, Saiura, Akio, Ichida, Hirofumi, Hashimoto, Takuya, Marubashi, Shigeru, Sato, Naoya, Ushigome, Hidetaka, Harada, Shumpei, Soejima, Yuji, Masuda, Yuichi, Shimada, Mitsuo, Saitou, Yu, Taketomi, Akinobu, Goto, Ryoichi, Shimamura, Tsuyoshi, Mizuno, Shugo, Tanemura, Akihiro, Endo, Itaru, Unno, Michiaki, Miyagi, Shigehito, Okamura, Yukiyasu, Aramaki, Osamu, Hakamada, Kenichi, Ishido, Keinosuke, Kato, Yutaro, Takahara, Takeshi, Takatsuki, Mitsuhisa, Ono, Shinichiro, Shimata, Keita, Yoon, Young-In, Hibi, Taizo, Morinaga, Jun, Narayanan, Anila Kutty, Toshima, Takeo, Ito, Takashi, Akamatsu, Nobuhisa, Kotera, Yoshihito, Hong, Suk Kyun, Hasegawa, Yasushi, Umeda, Yuzo, Reddy, Mettu Srinivas, Ong, Aldwin De Leon, Sivaprasadan, Saraswathy, Varghese, Joy, Sugawara, Yasuhiko, Chen, Chao-Long, Nakayama, Nobuaki, Mochida, Satoshi, Tanaka, Atsushi, Suh, Kyung-Suk, Ikegami, Toru, Lee, Kwang-Woong, and Lee, Sung-Gyu

Published
2024
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4. A novel scoring system to predict short-term mortality after living donor liver transplantation for acute liver failure

Author

Shimata, Keita, primary, Yoon, Young-In, additional, Hibi, Taizo, additional, Morinaga, Jun, additional, Narayanan, Anila Kutty, additional, Toshima, Takeo, additional, Ito, Takashi, additional, Akamatsu, Nobuhisa, additional, Kotera, Yoshihito, additional, Hong, Suk Kyun, additional, Hasegawa, Yasushi, additional, Umeda, Yuzo, additional, Reddy, Mettu Srinivas, additional, Ong, Aldwin De Leon, additional, Sivaprasadan, Saraswathy, additional, Varghese, Joy, additional, Sugawara, Yasuhiko, additional, Chen, Chao-Long, additional, Suh, Kyung-Suk, additional, Ikegami, Toru, additional, Lee, Kwang-Woong, additional, Lee, Sung-Gyu, additional, Sudhindran, Surendran, additional, Yoshizumi, Tomoharu, additional, Hatano, Etsuro, additional, Okumura, Shinya, additional, Hasegawa, Kiyoshi, additional, Egawa, Hiroto, additional, Obara, Hideaki, additional, Yasui, Kazuya, additional, Ogura, Yasuhiro, additional, Jobara, Kanta, additional, Nitta, Hiroyuki, additional, Katagiri, Hirokatsu, additional, Otsuka, Masayuki, additional, Kuboki, Satoshi, additional, Eguchi, Susumu, additional, Hara, Takanobu, additional, Eguchi, Hidetoshi, additional, Sasaki, Kazuki, additional, Aoki, Taku, additional, Ohdan, Hideki, additional, Ohira, Masahiro, additional, Takada, Yasutsugu, additional, Ogawa, Kohei, additional, Fukumoto, Takumi, additional, Kuramitsu, Kaori, additional, Saiura, Akio, additional, Ichida, Hirofumi, additional, Hashimoto, Takuya, additional, Marubashi, Shigeru, additional, Sato, Naoya, additional, Ushigome, Hidetaka, additional, Harada, Shumpei, additional, Soejima, Yuji, additional, Masuda, Yuichi, additional, Shimada, Mitsuo, additional, Saitou, Yu, additional, Taketomi, Akinobu, additional, Goto, Ryoichi, additional, Shimamura, Tsuyoshi, additional, Mizuno, Shugo, additional, Tanemura, Akihiro, additional, Endo, Itaru, additional, Unno, Michiaki, additional, Miyagi, Shigehito, additional, Okamura, Yukiyasu, additional, Aramaki, Osamu, additional, Hakamada, Kenichi, additional, Ishido, Keinosuke, additional, Kato, Yutaro, additional, Takahara, Takeshi, additional, Takatsuki, Mitsuhisa, additional, and Ono, Shinichiro, additional

Published
2024
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11. Impact of Sarcopenic Obesity on Severe Postoperative Complications in Patients with Gastric Cancer Undergoing Gastrectomy.

Author

Yamagishi, Shunsuke, Okamura, Yukiyasu, Kang, Woodae, Shindate, Masataka, Kochi, Mitsugu, Mitsuka, Yusuke, Watabe, Megumu, Yoshida, Nao, Ikarashi, Masahito, Yamazaki, Shintaro, Aramaki, Osamu, Nakayama, Hisashi, Moriguchi, Masamichi, Higaki, Tokio, and Yamashita, Hiroharu

Subjects
SURGICAL complications, STOMACH cancer, PREOPERATIVE risk factors, CANCER patients, GASTRECTOMY, BONE lengthening (Orthopedics)
Abstract

Introduction: Several studies have indicated that sarcopenia affects the short- and long-term outcomes of cancer patients, including those with gastric cancer. In recent years, sarcopenic obesity and its effects have been reported in cancer patients. This study aimed to evaluate the impact of sarcopenic obesity on postoperative complications in patients with gastric cancer undergoing gastrectomy. Methods: This single-center, retrospective study included 155 patients who underwent curative gastrectomy for gastric cancer from January 2015 to July 2021. Sarcopenia was defined by the psoas muscle index (<6.36 cm2/m2 in men and <3.92 cm2/m2 in women), which measures the iliopsoas muscle area at the lumbar L3 level using computed tomography. Obesity was defined by body mass index (≥25). Patients with both sarcopenia and obesity were defined as the sarcopenic obesity group and others as the non-sarcopenic obesity group. Severe postoperative complications were defined as Clavien-Dindo classification grade IIIa or higher. Results: Of the 155 patients, 26 (16.8%) had sarcopenic obesity. The incidence of severe postoperative complications was significantly higher in the sarcopenic obesity group (30.8% vs. 10.9%; p = 0.014). Multivariate analysis indicated that sarcopenic obesity was an independent risk factor for severe postoperative complications (odds ratio, 3.950; 95% confidence interval, 1.390–11.200; p = 0.010). Conclusion: Sarcopenic obesity is an independent risk factor for severe postoperative complications. [ABSTRACT FROM AUTHOR]

Published
2023
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13. Liver Transplantation from a Human Leukocyte Antigen-Matched Sibling Donor: Effectiveness of Direct-Acting Antiviral Therapy against Hepatitis C Virus Infection

Author

Kanda, Tatsuo, primary, Matsumoto, Naoki, additional, Ishii, Tomotaka, additional, Arima, Shuhei, additional, Shibuya, Shinji, additional, Honda, Masayuki, additional, Sasaki-Tanaka, Reina, additional, Masuzaki, Ryota, additional, Kanezawa, Shini, additional, Ogawa, Masahiro, additional, Yamazaki, Shintaro, additional, Aramaki, Osamu, additional, Kogure, Hirofumi, additional, and Okamura, Yukiyasu, additional

Published
2022
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14. Reevaluation of Makuuchi’s criteria for resecting hepatocellular carcinoma: A Japanese nationwide survey

Author

Aramaki, Osamu, primary, Takayama, Tadatoshi, additional, Matsuyama, Yutaka, additional, Kubo, Shoji, additional, Kokudo, Norihiro, additional, Kurosaki, Masayuki, additional, Murakami, Takamichi, additional, Shiina, Shuichiro, additional, Kudo, Masatoshi, additional, Sakamoto, Michiie, additional, Nakashima, Osamu, additional, Fukumoto, Takumi, additional, Iijima, Hiroko, additional, Eguchi, Susumu, additional, Soejima, Yuji, additional, and Makuuchi, Masatoshi, additional

Published
2022
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15. Reevaluation of Makuuchi's criteria for resecting hepatocellular carcinoma: A Japanese nationwide survey.

Author

Aramaki, Osamu, Takayama, Tadatoshi, Matsuyama, Yutaka, Kubo, Shoji, Kokudo, Norihiro, Kurosaki, Masayuki, Murakami, Takamichi, Shiina, Shuichiro, Kudo, Masatoshi, Sakamoto, Michiie, Nakashima, Osamu, Fukumoto, Takumi, Iijima, Hiroko, Eguchi, Susumu, Soejima, Yuji, and Makuuchi, Masatoshi

Subjects
*HEPATOCELLULAR carcinoma, *DEATH rate, *INDOCYANINE green, *SURGICAL indications, *MULTIVARIATE analysis, *LIVER surgery
Abstract

Aim: Although Makuuchi's criteria are widely used to determine the cut‐off for safe liver resection, there have been few reports of concrete data supporting their validity. Here, we verified the utility of Makuuchi's criteria by comparing the operative mortality rates associated with liver resection between hepatocellular carcinoma (HCC) patients meeting or exceeding the criteria. Methods: A database was built using data from 15 597 patients treated between 2000 and 2007 for whom values for all three variables included in Makuuchi's criteria for liver resection (clinical ascites, serum bilirubin, and indocyanine green clearance) were available. The patients were divided into those fulfilling (n = 12 175) or exceeding (n = 3422) the criteria. The postoperative mortality (death for any reason within 30 days) and long‐term survival were compared between the two groups. Results: The operative mortality rate was significantly lower in patients meeting the criteria than in those exceeding the criteria (1.07% vs. 2.01%, respectively; p < 0.001). On multivariate analysis, exceeded the criteria was significantly associated with the risk for operative mortality (relative risk 2.08; 95% confidence interval (CI), 1.23–3.52; p = 0.007). Surgical indication meeting or exceeding the criteria was an independent factor for overall survival (hazard ratio 1.27; 95% CI, 1.18–1.36; p < 0.001). Conclusion: Makuuchi's criteria are suitable for determining the indication for resection of HCC due to the reduction in risk of operative mortality. [ABSTRACT FROM AUTHOR]

Published
2023
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17. Arterial chemoembolisation with cisplatin versus epirubicin for hepatocellular carcinoma (ACE 500 study): A multicentre, randomised controlled phase 2/3 trial

Author

Aramaki, Osamu, primary, Takayama, Tadatoshi, additional, Moriguchi, Masamichi, additional, Sakamoto, Hidemori, additional, Yodono, Hiraku, additional, Kokudo, Norihiro, additional, Yamanaka, Naoki, additional, Kawasaki, Seiji, additional, Sasaki, Yo, additional, Kubota, Keiichi, additional, Otsuji, Eigo, additional, Tanaka, Shinji, additional, Matsuyama, Yutaka, additional, and Fujii, Masashi, additional

Published
2021
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25. Administration of donor splenocytes via the respiratory tract generates CD8α+ regulatory dendritic cells and induces hyporesponsiveness to fully allogeneic cardiac grafts

Author

Iwami, Daiki, Aramaki, Osamu, Shinohara, Nobuo, Niimi, Masanori, and Shirasugi, Nozomu

Subjects
Trachea, Transplantation, Mouse, Regulatory dendritic cell, Regulatory T cell
Abstract

Background: We previously showed that pretreatment with intratracheal delivery (ITD) of alloantigen induced prolonged cardiac allograft survival and generated regulatory T cells (Tregs) in mice. In this study, we examined the role of splenic dendritic cells (DCs) in the ITD model. Methods: CBA mice were treated with ITD from C57BL/10 splenocytes and 7 days later received transplantation of C57BL/10 hearts. In adoptive transfer studies, splenic DCs from ITD-treated mice were transferred into naive CBA recipients that received C57BL/10 hearts immediately after the transfer. In addition, to determine the role of splenic DCs isolated from ITD-treated mice, the cells were incubated under stimulation with lipopolysaccharide (LPS). Results: ITD-treated CBA recipients had markedly prolonged allograft survival (median survival time [MST], 67 days) while naive recipients rejected allografts acutely (MST, 8 days). In adoptive transfer studies, CBA recipients of the transfer of splenic DCs from ITD-treated mice had prolonged allograft survival (MST, 85 days), while CBA recipients of the transfer of splenic DCs from naive mice did not have prolonged allograft survival (MST, 8 days). In another transfer study, CBA recipients of the transfer of splenic CD8α+ DCs from ITD-treated mice had prolonged allograft survival (MST, 79 days), while those receiving splenic CD8α- DCs from ITD-treated mice did not have prolonged allograft survival (MST, 8 days). In vitro studies showed that ITD-treated splenic DCs produced more IL-10 and less IL-12 than naive splenic DCs under stimulation with LPS. Conclusions: ITD pretreatment induces regulatory DCs, which produce high amounts of IL-10 resulting in the prolongation of graft survival in our model.

Published
2018

29. Six autoantibodies as potential serum biomarkers of hepatocellular carcinoma: A prospective multicenter study

Author

Okada, Rei, primary, Otsuka, Yuichiro, additional, Wakabayashi, Taiga, additional, Shinoda, Masahiro, additional, Aoki, Takeshi, additional, Murakami, Masahiko, additional, Arizumi, Shunichi, additional, Yamamoto, Masakazu, additional, Aramaki, Osamu, additional, Takayama, Tadatoshi, additional, Wakiyama, Shigeki, additional, Yanaga, Katsuhiko, additional, Amikura, Katsumi, additional, Kaneko, Hironori, additional, and Shimada, Hideaki, additional

Published
2020
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38. Algorithm for Resecting Hepatocellular Carcinoma in the Caudate Lobe

Author

Takayama, Tadatoshi, primary, Midorikawa, Yutaka, additional, Higaki, Tokio, additional, Nakayama, Hisashi, additional, Moriguchi, Masamichi, additional, Aramaki, Osamu, additional, Yamazaki, Shintaro, additional, Aoki, Masaru, additional, Kogure, Kimitaka, additional, and Makuuchi, Masatoshi, additional

Published
2019
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48. Diagnostic Value of Open Biopsy for Malignant T-Cell Lymphoma of the Liver

Author

Hojo, Akihisa, primary, Nakayama, Hisashi, additional, Aramaki, Osamu, additional, Higaki, Tokio, additional, Moriguchi, Masamichi, additional, Sugitani, Masahiko, additional, Miura, Katsuhiro, additional, Takeuchi, Jin, additional, Nishiyama, Ryu, additional, Moriyama, Mitsuhiko, additional, and Takayama, Tadatoshi, additional

Published
2013
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