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N. Nakayama · SciRah

Researcher profile · Semantic Scholar

N. Nakayama

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N. Nakayama — researcher profile on SciRah

h-index: 22
Works: 104
Citations: 1,734

Most-cited papers

Acute liver failure in Japan: definition, classification, and prediction of the outcome
K. Sugawara, N. Nakayama, S. Mochida
2012Journal of gastroenterology146 citations Open access
Semantic Scholar
Fulminant hepatitis and late onset hepatic failure in Japan
K. Fujiwara, S. Mochida, A. Matsui, N. Nakayama +2 more
2008Hepatology Research132 citations
Semantic Scholar
Diagnostic criteria of acute liver failure: A report by the Intractable Hepato‐Biliary Diseases Study Group of Japan
S. Mochida, Y. Takikawa, N. Nakayama, M. Oketani +4 more
2011Hepatology Research120 citations
Semantic Scholar
Etiology and prognosis of fulminant hepatitis and late‐onset hepatic failure in Japan: Summary of the annual nationwide survey between 2004 and 2009
M. Oketani, A. Ido, N. Nakayama, Y. Takikawa +6 more
2013Hepatology Research117 citations
Semantic Scholar
Acute-on-chronic liver failure (ACLF): the ‘Kyoto Consensus’—steps from Asia
Ashok Choudhury, A. Kulkarni, V. Arora, A. Soin +247 more
2025Hepatology International78 citations Open access
Semantic Scholar
Outcomes after living donor liver transplantation for acute liver failure in Japan: Results of a nationwide survey
Noriyo Yamashiki, Y. Sugawara, S. Tamura, N. Nakayama +6 more
2012Liver transplantation77 citations Open access
Semantic Scholar
Nationwide survey for acute liver failure and late-onset hepatic failure in Japan
Masamitsu Nakao, N. Nakayama, Yoshihito Uchida, T. Tomiya +11 more
2018Journal of gastroenterology71 citations
Semantic Scholar
Algorithm to determine the outcome of patients with acute liver failure: a data-mining analysis using decision trees
N. Nakayama, M. Oketani, Yoshihiro Kawamura, M. Inao +4 more
2012Journal of gastroenterology52 citations Open access
Semantic Scholar
Re‐evaluation of the Guideline published by the Acute Liver Failure Study Group of Japan in 1996 to determine the indications of liver transplantation in patients with fulminant hepatitis
S. Mochida, N. Nakayama, A. Matsui, S. Nagoshi +1 more
2008Hepatology Research52 citations
Semantic Scholar
Novel scoring system as a useful model to predict the outcome of patients with acute liver failure: Application to indication criteria for liver transplantation
T. Naiki, N. Nakayama, S. Mochida, M. Oketani +6 more
2012Hepatology Research49 citations
Semantic Scholar
Proposed diagnostic criteria for acute‐on‐chronic liver failure in Japan
S. Mochida, N. Nakayama, A. Ido, Kazuaki Inoue +7 more
2018Hepatology Research38 citations
Semantic Scholar
Case–control study for the identification of virological factors associated with fulminant hepatitis B
A. Kusakabe, Yasuhito Tanaka, S. Mochida, N. Nakayama +19 more
2009Hepatology Research38 citations
Semantic Scholar
NS5A-P32 deletion as a factor involved in virologic failure in patients receiving glecaprevir and pibrentasvir
Hayato Uemura, Yoshihito Uchida, J. Kouyama, Kayoko Naiki +8 more
2019Journal of gastroenterology36 citations
Semantic Scholar
Nationwide prospective and retrospective surveys for hepatitis B virus reactivation during immunosuppressive therapies
S. Mochida, Masamitsu Nakao, N. Nakayama, Yoshihito Uchida +21 more
2016Journal of gastroenterology36 citations
Semantic Scholar
Development of rare resistance‐associated variants that are extremely tolerant against NS5A inhibitors during daclatasvir/asunaprevir therapy by a two‐hit mechanism
Yoshihito Uchida, J. Kouyama, Kayoko Naiki, K. Sugawara +4 more
2016Hepatology Research35 citations
Semantic Scholar
Significance of switching of the nucleos(t)ide analog used to treat Japanese patients with chronic hepatitis B virus infection from entecavir to tenofovir alafenamide fumarate
Yoshihito Uchida, Masamitsu Nakao, Shohei Tsuji, Hayato Uemura +8 more
2019Journal of Medical Virology33 citations
Semantic Scholar
Classification of the etiologies of acute liver failure in Japan: A report by the Intractable Hepato‐Biliary Diseases Study Group of Japan
S. Mochida, Y. Takikawa, N. Nakayama, M. Oketani +5 more
2014Hepatology Research31 citations Open access
Semantic Scholar
A Model to Predict 1‐Month Risk of Transplant or Death in Hepatitis A–Related Acute Liver Failure
Jin Dong Kim, E. Cho, Choonghyun Ahn, S. K. Park +29 more
2019Hepatology29 citations Open access
Semantic Scholar
Diagnostic criteria for acute‐on‐chronic liver failure and related disease conditions in Japan
S. Mochida, N. Nakayama, S. Terai, H. Yoshiji +15 more
2022Hepatology Research28 citations Open access
Semantic Scholar
A multicenter pilot survey to clarify the clinical features of patients with acute‐on‐chronic liver failure in Japan
N. Nakayama, Hayato Uemura, Yoshihito Uchida, T. Tomiya +10 more
2018Hepatology Research28 citations
Semantic Scholar
Therapeutic efficacy of lenvatinib for patients with unresectable hepatocellular carcinoma based on the middle-term outcome
Akira Fuchigami, Y. Imai, Yoshihito Uchida, Hiroshi Uchiya +7 more
2020PLoS ONE26 citations Open access
Semantic Scholar
Acute-on-chronic liver failure: pathophysiological mechanisms and clinical management.
S. Sarin, Ashok Choudhury, Anupam Kumar, N. Mahmud +8 more
2026Nature reviews: Gastroenterology & hepatology23 citations
Semantic Scholar
Significance of variants associated with resistance to NS5A inhibitors in Japanese patients with genotype 1b hepatitis C virus infection as evaluated using cycling-probe real-time PCR combined with direct sequencing
Yoshihito Uchida, J. Kouyama, Kayoko Naiki, K. Sugawara +7 more
2016Journal of gastroenterology21 citations
Semantic Scholar
Usefulness of miriplatin as an anticancer agent for transcatheter arterial chemoembolization in patients with unresectable hepatocellular carcinoma
Y. Imai, Taku Chikayama, M. Nakazawa, Kazuhiro Watanabe +11 more
2012Journal of gastroenterology21 citations
Semantic Scholar
Revised criteria for classification of the etiologies of acute liver failure and late‐onset hepatic failure in Japan: A report by the Intractable Hepato‐biliary Diseases Study Group of Japan in 2015
S. Mochida, N. Nakayama, A. Ido, Y. Takikawa +5 more
2016Hepatology Research19 citations
Semantic Scholar
Involvement of portosystemic shunts in impaired improvement of liver function after direct‐acting antiviral therapies in cirrhotic patients with hepatitis C virus
Shohei Tsuji, Yoshihito Uchida, Hayato Uemura, J. Kouyama +8 more
2019Hepatology Research18 citations
Semantic Scholar
Sequential therapy consisting of glucocorticoid infusions followed by granulocyte–monocyte absorptive apheresis in patients with severe alcoholic hepatitis
Kazuhiro Watanabe, Yoshihito Uchida, K. Sugawara, Kayoko Naiki +3 more
2017Journal of gastroenterology18 citations
Semantic Scholar
Expert consensus on the diagnosis and treatment of end-stage liver disease complicated by infections
Tao Chen, Guang Chen, Guiqiang Wang, S. Treeprasertsuk +22 more
2024Hepatology International16 citations Open access
Semantic Scholar
Balloon‐occluded retrograde transvenous obliteration as a procedure to improve liver function in patients with decompensated cirrhosis
M. Nakazawa, Y. Imai, Hiroshi Uchiya, S. Ando +4 more
2017JGH Open16 citations Open access
Semantic Scholar
Features of resistance-associated substitutions after failure of multiple direct-acting antiviral regimens for hepatitis C
J. Itakura, M. Kurosaki, S. Kakizaki, Keisuke Amano +13 more
2020JHEP Reports15 citations Open access
Semantic Scholar
Nationwide survey for patients with acute-on-chronic liver failure occurring between 2017 and 2019 and diagnosed according to proposed Japanese criteria
N. Nakayama, Hayato Uemura, Yoshihito Uchida, Y. Imai +20 more
2021Journal of gastroenterology14 citations Open access
Semantic Scholar
Usefulness of anti-ulcer drugs for the prevention and treatment of peptic ulcers induced by low doses of aspirin.
S. Nakashima, S. Ota, S. Arai, K. Yoshino +6 more
2009World Journal of Gastroenterology14 citations Open access
Semantic Scholar
Deteriorated outcome of recent patients with acute liver failure and late‐onset hepatic failure caused by infection with hepatitis A virus: A subanalysis of patients seen between 1998 and 2015 and enrolled in nationwide surveys in Japan
Masamitsu Nakao, N. Nakayama, Yoshihito Uchida, T. Tomiya +5 more
2019Hepatology Research13 citations
Semantic Scholar
Significance of NS5B Substitutions in Genotype 1b Hepatitis C Virus Evaluated by Bioinformatics Analysis
Yoshihito Uchida, Shugo Nakamura, J. Kouyama, Kayoko Naiki +10 more
2018Scientific Reports13 citations Open access
Semantic Scholar
我が国におけるAcute-On-Chronic Liver Failure（ACLF）の診断基準（案）
Satoshi Mochida, N. Nakayama, A. Ido, Kazuaki Inoue +7 more
2018Kanzo13 citations Open access
Semantic Scholar
A case of liver cirrhosis due to hepatits C virus infection complicating giant anorectal varices treated with balloon-occluded retrograde transvenous obliteration
Kazuhiro Watanabe, Y. Imai, Hiroaki Takaya, M. Nakazawa +13 more
2011Clinical Journal of Gastroenterology13 citations
Semantic Scholar
Novel classification of acute liver failure through clustering using a self-organizing map: usefulness for prediction of the outcome
N. Nakayama, M. Oketani, Yoshihiro Kawamura, M. Inao +4 more
2011Journal of gastroenterology13 citations
Semantic Scholar
Serum zinc levels as predictors of covert hepatic encephalopathy in patients with liver cirrhosis
Naoto Soma, Yoshihito Uchida, J. Kouyama, Kayoko Naiki +12 more
2024Journal of gastroenterology12 citations
Semantic Scholar
Superiority of tenofovir alafenamide fumarate over entecavir for serum HBsAg level reduction in patients with chronic HBV infection: A 144-week outcome study after switching of the nucleos(t)ide analog
Yoshihito Uchida, Masamitsu Nakao, Shunsuke Yamada, Shohei Tsuji +8 more
2022PLoS ONE12 citations Open access
Semantic Scholar
Transcatheter arterial chemoembolization for hepatocellular carcinoma: Comparison of the therapeutic efficacies between miriplatin and epirubicin
Takahiro Handa, Y. Imai, K. Sugawara, Taku Chikayama +6 more
2014Hepatology Research11 citations Open access
Semantic Scholar
A case of colonic varices complicated by alcoholic cirrhosis treated using balloon-occluded retrograde transvenous obliteration
Keisuke Matsumoto, Y. Imai, M. Takano, M. Nakazawa +5 more
2018Clinical Journal of Gastroenterology10 citations
Semantic Scholar
Randomized study comparing vitamin D3 and 1α‐Hydroxyvitamin D3 in combination with pegylated interferon/ribavirin therapy for chronic hepatitis C
Yoshie Omori-Mizuno, N. Nakayama, M. Inao, J. Funyu +9 more
2015Journal of Gastroenterology and Hepatology10 citations
Semantic Scholar
Furosemide as a factor to deteriorate therapeutic efficacy of tolvaptan in patients with decompensated cirrhosis
Yoshihito Uchida, M. Inao, Shohei Tsuji, Hayato Uemura +8 more
2020Hepatology Research9 citations
Semantic Scholar
Chronic hepatitis caused by hepatitis C virus showing a discrepancy between serogroup and genotype because of intergenotypic 2b/1b recombination: A pitfall in antiviral therapy with direct‐acting antivirals
H. Kurata, Yoshihito Uchida, J. Kouyama, Kayoko Naiki +10 more
2018Hepatology Research9 citations Open access
Semantic Scholar
“Reversi‐type virologic failure” involved in the development of non‐structural protein 5A resistance‐associated variants (RAVs) in patients with genotype 1b hepatitis C carrying no signature RAVs at baseline
Yoshihito Uchida, J. Kouyama, Kayoko Naiki, K. Sugawara +4 more
2017Hepatology Research9 citations
Semantic Scholar
A case of liver cirrhosis with bleeding from stomal varices successfully treated using balloon-occluded retrograde transvenous obliteration
M. Takano, Y. Imai, M. Nakazawa, Taku Chikayama +4 more
2016Clinical Journal of Gastroenterology9 citations
Semantic Scholar
A case of genotype‐3b hepatitis C virus in which the whole genome was successfully analyzed using third‐generation nanopore sequencing
Yoshihito Uchida, J. Kouyama, Kayoko Naiki, Hayato Uemura +8 more
2019Hepatology Research8 citations
Semantic Scholar
Novel hepatitis B virus strain developing due to recombination between genotypes H and B strains isolated from a Japanese patient
Yoshihito Uchida, J. Kouyama, Kayoko Naiki, K. Sugawara +3 more
2014Hepatology Research8 citations
Semantic Scholar
Endoscopic management of primary sclerosing cholangitis
Suguru Mizuno, Yoshihito Uchida, S. Ando, Masamitsu Nakao +5 more
2025Digestive Endoscopy7 citations Open access
Semantic Scholar
Significance of portal venous blood flow as a factor to determine liver function in patients with decompensated cirrhosis due to hepatitis C virus infection following achievement of sustained viral response by sofosbuvir plus velpatasvir
Yoshihito Uchida, Y. Imai, Shohei Tsuji, Hayato Uemura +9 more
2023Hepatology Research7 citations
Semantic Scholar

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S. Mochida×43
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S. Mochida — researcher profile on SciRah
K. Sugawara×24
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K. Sugawara — researcher profile on SciRah
Y. Imai×23
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Y. Imai — researcher profile on SciRah
Yoshihito Uchida×22
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Yoshihito Uchida — researcher profile on SciRah

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T. Tomiya — researcher profile on SciRah

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M. Inao — researcher profile on SciRah

Kayoko Naiki×15

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Kayoko Naiki — researcher profile on SciRah

Masamitsu Nakao×14

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Masamitsu Nakao — researcher profile on SciRah

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J. Kouyama — researcher profile on SciRah

Y. Takikawa×12

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Y. Takikawa — researcher profile on SciRah

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S. Ando — researcher profile on SciRah

H. Tsubouchi×11

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H. Tsubouchi — researcher profile on SciRah