Works by Okumura, Yasuyuki

Results: 42

Exposure to psychotropic medications prior to overdose: a case-control study.

Published in:

Psychopharmacology, 2015, v. 232, n. 16, p. 3101, doi. 10.1007/s00213-015-3952-8

By:

Okumura, Yasuyuki;
Tachimori, Hisateru;
Matsumoto, Toshihiko;
Nishi, Daisuke

Publication type:

Article

Validation study of case-identifying algorithms for severe hypoglycemia using hospital administrative data in Japan.

Published in:

PLoS ONE, 2023, v. 18, n. 8, p. 1, doi. 10.1371/journal.pone.0289840

By:

Osaga, Satoshi;
Kimura, Takeshi;
Okumura, Yasuyuki;
Chin, Rina;
Imori, Makoto;
Minatoya, Machiko

Publication type:

Article

Efficacy of the unified protocol for transdiagnostic cognitive-behavioral treatment for depressive and anxiety disorders: a randomized controlled trial.

Published in:

Psychological Medicine, 2023, v. 53, n. 7, p. 3009, doi. 10.1017/S0033291721005067

By:

Ito, Masaya;
Horikoshi, Masaru;
Kato, Noriko;
Oe, Yuki;
Fujisato, Hiroko;
Yamaguchi, Keiko;
Nakajima, Shun;
Miyamae, Mitsuhiro;
Toyota, Ayaka;
Okumura, Yasuyuki;
Takebayashi, Yoshitake

Publication type:

Article

Dementia and Risk of 30‐Day Readmission in Older Adults After Discharge from Acute Care Hospitals.

Published in:

Journal of the American Geriatrics Society, 2018, v. 66, n. 5, p. 871, doi. 10.1111/jgs.15282

By:

Sakata, Nobuo;
Okumura, Yasuyuki;
Fushimi, Kiyohide;
Nakanishi, Miharu;
Ogawa, Asao

Publication type:

Article

Japan Unified Protocol Clinical Trial for Depressive and Anxiety Disorders (JUNP study): study protocol for a randomized controlled trial.

Published in:

BMC Psychiatry, 2016, v. 16, p. 11, doi. 10.1186/s12888-016-0779-8

By:

Masaya Ito;
Yasuyuki Okumura;
Masaru Horikoshi;
Noriko Kato;
Yuki Oe;
Mitsuhiro Miyamae;
Naotsugu Hirabayashi;
Ayako Kanie;
Atsuo Nakagawa;
Yutaka Ono

Publication type:

Article

Efficacy of shared decision making on treatment satisfaction for patients with first-admission schizophrenia: study protocol for a randomised controlled trial.

Published in:

BMC Psychiatry, 2014, v. 14, n. 1, p. 1, doi. 10.1186/1471-244X-14-111

By:

Mio Ishii;
Yasuyuki Okumura;
Naoya Sugiyama;
Hana Hasegawa;
Toshie Noda;
Yoshio Hirayasu;
Hiroto Ito

Publication type:

Article

Synthesis and properties of new macrocyclic compounds: Utilization of bond character of hypervalent sulfur in tetraazathiapentalene derivatives.

Published in:

Journal of Heterocyclic Chemistry, 2005, v. 42, n. 6, p. 1175, doi. 10.1002/jhet.5570420621

By:

Matsumura, Noboru;
Hirase, Ryuji;
Kamitani, Shigeki;
Okumura, Yasuyuki;
Mizuno, Kazuhiko

Publication type:

Article

Photoaddition of thiocarboxylic acids to 2,3-diallyltetraazathiapentalenes.

Published in:

Journal of Heterocyclic Chemistry, 2004, v. 41, n. 6, p. 873, doi. 10.1002/jhet.5570410604

By:

Matsumura, Noboru;
Mori, Osamu;
Takeguchi, Toshio;
Okumura, Yasuyuki;
Mizuno, Kazuhiko

Publication type:

Article

Reaction of tetraazathiapentalene and thiadiazolopyrimidine derivatives with heterocumulenes: Cycloaddition and elimination reactions via hypervalent sulfur intermediates.

Published in:

Journal of Heterocyclic Chemistry, 2004, v. 41, n. 1, p. 99, doi. 10.1002/jhet.5570410116

By:

Matsumura, Noboru;
Ito, Atsushi;
Tomura, Masaaki;
Okumura, Yasuyuki;
Mizuno, Kazuhiko

Publication type:

Article

Quality of care in hospitalized cancer patients before and after implementation of a systematic prevention program for delirium: the DELTA exploratory trial.

Published in:

2019

By:

Ogawa, Asao;
Okumura, Yasuyuki;
Fujisawa, Daisuke;
Takei, Hiroyuki;
Sasaki, Chiyuki;
Hirai, Kei;
Kanno, Yusuke;
Higa, Kensuke;
Ichida, Yasuhiko;
Sekimoto, Asuko;
Asanuma, Chie

Publication type:

journal article

Effectiveness of 1‐day trauma‐informed care training programme on attitudes in psychiatric hospitals: A pre–post study.

Published in:

International Journal of Mental Health Nursing, 2019, v. 28, n. 4, p. 980, doi. 10.1111/inm.12603

By:

Niimura, Junko;
Nakanishi, Miharu;
Okumura, Yasuyuki;
Kawano, Masashi;
Nishida, Atsushi

Publication type:

Article

Electrochemical synthesis of heterocyclic compounds via carbon–heteroatom bond formation: direct and indirect electrolysis.

Published in:

Chemistry Letters, 2024, v. 53, n. 8, p. 1, doi. 10.1093/chemle/upae146

By:

Yasuyuki Okumura;
Eisuke Sato;
Koichi Mitsudo;
Seiji Suga

Publication type:

Article

Association between suicidal behaviors and auditory and visual hallucinations in Japanese adolescent psychiatric outpatients at first visit: a cross‐sectional study.

Published in:

Child & Adolescent Mental Health, 2022, v. 27, n. 4, p. 335, doi. 10.1111/camh.12504

By:

Toyohara, Nao;
Fujita, Junichi;
Okumura, Yasuyuki;
Suda, Akira;
Hattori, Saki;
Saigusa, Yusuke;
Aoyama, Kumi;
Asanuma, Kazuya;
Takahashi, Yuichi;
Arai, Takashi;
Hishimoto, Akitoyo

Publication type:

Article

Psychosocial Burden of Undiagnosed Persistent ADHD Symptoms in 12-Year-Old Children: A Population-Based Birth Cohort Study.

Published in:

2021

By:

Okumura, Yasuyuki;
Yamasaki, Syudo;
Ando, Shuntaro;
Usami, Masahide;
Endo, Kaori;
Hiraiwa-Hasegawa, Mariko;
Kasai, Kiyoto;
Nishida, Atsushi

Publication type:

journal article

Hospital Readmission and First-Time Admitted Patients with Schizophrenia: Smoking Patients had Higher Hospital Readmission Rate than Non-Smoking Patients.

Published in:

International Journal of Psychiatry in Medicine, 2010, v. 40, n. 3, p. 247, doi. 10.2190/PM.40.3.b

By:

Mika Kobayashi;
Hiroto Ito;
Yasuyuki Okumura;
Ken Mayahara;
Yoshio Matsumoto;
Junichi Hirakawa

Publication type:

Article

Latent structure of depression in a Japanese population sample: taxometric procedures.

Published in:

Australian & New Zealand Journal of Psychiatry, 2009, v. 43, n. 7, p. 666, doi. 10.1080/00048670902970841

By:

Okumura, Yasuyuki;
Sakamoto, Shinji;
Ono, Yutaka

Publication type:

Article

Associations of Adverse Clinical Course and Ingested Substances among Patients with Deliberate Drug Poisoning: A Cohort Study from an Intensive Care Unit in Japan.

Published in:

PLoS ONE, 2016, v. 11, n. 8, p. 1, doi. 10.1371/journal.pone.0161996

By:

Ichikura, Kanako;
Okumura, Yasuyuki;
Takeuchi, Takashi

Publication type:

Article

Real‐World Hepatic Safety of Oral Acetaminophen Versus Loxoprofen/Celecoxib: Using a Nationwide Electronic Medical Record Database.

Published in:

Journal of Clinical Pharmacology, 2023, v. 63, n. 7, p. 798, doi. 10.1002/jcph.2216

By:

Okumura, Yasuyuki;
Kimura, Takeshi;
Inokuchi, Shoichiro;
Okamoto, Masahiro;
Takano, Toshio;
Miyake, Masumi;
Kumagai, Yuji

Publication type:

Article

Use of a Spin Strategy Can Result in Unreliable Research Findings.

Published in:

International Journal of Neuropsychopharmacology, 2017, v. 20, n. 7, p. 546, doi. 10.1093/ijnp/pyx013

By:

Yasuyuki Okumura;
Yoshio Yamanouchi;
Tsuruhei Sukegawa;
Ataru Inagaki;
Toshiya Inada;
Takashi Yoshio;
Reiji Yoshimura;
Nakao Iwata

Publication type:

Article

Electrochemical Coupling Reactions Using Non‐Transition Metal Mediators: Recent Advances.

Published in:

European Journal of Organic Chemistry, 2023, v. 26, n. 47, p. 1, doi. 10.1002/ejoc.202300835

By:

Mitsudo, Koichi;
Okumura, Yasuyuki;
Sato, Eisuke;
Suga, Seiji

Publication type:

Article

Statistical power and effect sizes of depression research in Japan.

Published in:

Psychiatry & Clinical Neurosciences, 2011, v. 65, n. 4, p. 356, doi. 10.1111/j.1440-1819.2011.02208.x

By:

Okumura, Yasuyuki;
Sakamoto, Shinji

Publication type:

Article

General Medical Claims for Behavioral Health Patients in Japan.

Published in:

American Journal of Managed Care, 2020, v. 26, n. 6, p. 256, doi. 10.37765/ajmc.2020.43488

By:

Yasuhiro Kishi;
Kathol, Roger G.;
Yasuyuki Okumura

Publication type:

Article

Depression treatment preferences among Japanese undergraduates: Using conjoint analysis.

Published in:

International Journal of Social Psychiatry, 2012, v. 58, n. 2, p. 195, doi. 10.1177/0020764010390437

By:

Okumura, Yasuyuki;
Sakamoto, Shinji

Publication type:

Article

Psychiatric Admissions and Length of Stay During Fiscal Years 2014 and 2015 in Japan: A Retrospective Cohort Study Using a Nationwide Claims Database.

Published in:

Journal of Epidemiology, 2019, v. 29, n. 8, p. 288, doi. 10.2188/jea.JE20180096

By:

Yasuyuki Okumura;
Naoya Sugiyama;
Toshie Noda;
Hisateru Tachimori

Publication type:

Article

Geographical Variation in Psychiatric Admissions Among Recipients of Public Assistance.

Published in:

Journal of Epidemiology, 2019, v. 29, n. 7, p. 264

By:

Yasuyuki Okumura;
Nobuo Sakata;
Hisateru Tachimori;
Tadashi Takeshima

Publication type:

Article

Epidemiology of overdose episodes from the period prior to hospitalization for drug poisoning until discharge in Japan: An exploratory descriptive study using a nationwide claims database.

Published in:

Journal of Epidemiology, 2017, v. 27, n. 8, p. 373, doi. 10.1016/j.je.2016.08.010

By:

Yasuyuki Okumura;
Nobuo Sakata;
Kunihiko Takahashi;
Daisuke Nishi;
Hisateru Tachimori

Publication type:

Article

Reducing Research Waste Through Good Reporting Practices.

Published in:

Journal of Epidemiology, 2016, v. 26, n. 8, p. 397, doi. 10.2188/jea.JE20160105

By:

Yasuyuki Okumura

Publication type:

Article

Seasonal influenza, its complications and related healthcare resource utilization among people 60 years and older: A descriptive retrospective study in Japan.

Published in:

PLoS ONE, 2022, v. 17, n. 10, p. 1, doi. 10.1371/journal.pone.0272795

By:

Hagiwara, Yuriko;
Harada, Kazumasa;
Nealon, Joshua;
Okumura, Yasuyuki;
Kimura, Takeshi;
Chaves, Sandra S.

Publication type:

Article

Feasibility and efficacy of shared decision making for first-admission schizophrenia: a randomized clinical trial.

Published in:

BMC Psychiatry, 2017, v. 17, p. 1, doi. 10.1186/s12888-017-1218-1

By:

Mio Ishii;
Yasuyuki Okumura;
Naoya Sugiyama;
Hana Hasegawa;
Toshie Noda;
Yoshio Hirayasu;
Hiroto Ito

Publication type:

Article

Identification and Validation of Hemophilia-Related Outcomes on Japanese Electronic Medical Record Database (Hemophilia-REAL V Study).

Published in:

Journal of Blood Medicine, 2021, v. 12, p. 571, doi. 10.2147/JBM.S313371

By:

Fujiwara, Takashi;
Miyakoshi, Chisato;
Kanemitsu, Takashi;
Okumura, Yasuyuki;
Tokumasu, Hironobu

Publication type:

Article

Dying Patients' Quality of Care for Five Common Causes of Death: A Nationwide Mortality Follow-Back Survey.

Published in:

Journal of Palliative Medicine, 2024, v. 27, n. 9, p. 1146, doi. 10.1089/jpm.2023.0645

By:

Nakazawa, Yoko;
Miyashita, Mitsunori;
Morita, Tatsuya;
Okumura, Yasuyuki;
Kizawa, Yoshiyuki;
Kawagoe, Shohei;
Yamamoto, Hiroshi;
Takeuchi, Emi;
Yamazaki, Risa;
Ogawa, Asao

Publication type:

Article

Spatial analysis for regional behavior of patients with mental disorders in Japan.

Published in:

Psychiatry & Clinical Neurosciences, 2017, v. 71, n. 4, p. 254, doi. 10.1111/pcn.12488

By:

Takahashi, Kunihiko;
Tachimori, Hisateru;
Kan, Chiemi;
Nishi, Daisuke;
Okumura, Yasuyuki;
Kato, Naohiro;
Takeshima, Tadashi

Publication type:

Article

Effect of Earth Ground and Environment on Body-Centric Communications in the MHz Band.

Published in:

International Journal of Antennas & Propagation, 2012, p. 1, doi. 10.1155/2012/243191

By:

Fujii, Katsuyuki;
Okumura, Yasuyuki

Publication type:

Article

Medical Costs Associated with Insomnia Treatment with Suvorexant Monotherapy in Japan: Results from a Retrospective Cohort Study Using a Large-Scale Claims Database.

Published in:

Drugs - Real World Outcomes, 2022, v. 9, n. 2, p. 219, doi. 10.1007/s40801-021-00279-y

By:

Uchiyama, Makoto;
Ito, Kaoru;
Okumura, Yasuyuki;
Yi, Jingbo;
Crawford, Bruce;
Abe, Machiko

Publication type:

Article

Effects of Reablement on the Independence of Community-Dwelling Older Adults with Mild Disability: A Randomized Controlled Trial.

Published in:

International Journal of Environmental Research & Public Health, 2019, v. 16, n. 20, p. 3954, doi. 10.3390/ijerph16203954

By:

Hattori, Shinji;
Yoshida, Toshiyuki;
Okumura, Yasuyuki;
Kondo, Katsunori

Publication type:

Article

Thyroid function tests before prescribing anti-dementia drugs: a retrospective observational study.

Published in:

Clinical Interventions in Aging, 2018, v. 13, p. 1219, doi. 10.2147/CIA.S168182

By:

Sakata, Nobuo;
Okumura, Yasuyuki

Publication type:

Article

Caregiving Burden and Psychological Vulnerability of Young Adult Caregivers in Parental End‐Of‐Life Cancer Care: A Nationwide Bereavement Study.

Published in:

Psycho-Oncology, 2025, v. 34, n. 4, p. 1, doi. 10.1002/pon.70159

By:

Nakazawa, Yoko;
Miyashita, Mitsunori;
Morita, Tatsuya;
Kizawa, Yoshiyuki;
Okumura, Yasuyuki;
Kawagoe, Shohei;
Yamamoto, Hiroshi;
Takeuchi, Emi;
Yamazaki, Risa;
Ogawa, Asao

Publication type:

Article

Assessing the hierarchy of personal values among adolescents: A comparison of rating scale and paired comparison methods.

Published in:

2020

By:

Iijima, Yudai;
Okumura, Yasuyuki;
Yamasaki, Syudo;
Ando, Shuntaro;
Okada, Kensuke;
Koike, Shinsuke;
Endo, Kaori;
Morimoto, Yuko;
Williams, Aya;
Murai, Toshiya;
Tanaka, Saori C.;
Hiraiwa-Hasegawa, Mariko;
Kasai, Kiyoto;
Nishida, Atsushi

Publication type:

journal article

Postoperative Pain Treatment in Patients with Dementia: A Retrospective Observational Study.

Published in:

Drugs & Aging, 2022, v. 39, n. 4, p. 305, doi. 10.1007/s40266-022-00932-3

By:

Sakata, Nobuo;
Okumura, Yasuyuki;
Ogawa, Asao

Publication type:

Article

Antidementia drug use in Japan: Bridging the research-to-practice gap.

Published in:

2018

By:

Okumura, Yasuyuki;
Sakata, Nobuo

Publication type:

Letter

Risk of recurrent overdose associated with prescribing patterns of psychotropic medications after nonfatal overdose.

Published in:

Neuropsychiatric Disease & Treatment, 2017, v. 13, p. 653, doi. 10.2147/NDT.S128278

By:

Yasuyuki Okumura;
Daisuke Nishi

Publication type:

Article

Persistence of newly prescribed 5-aminosalicylic acid in patients with ulcerative colitis: A nationwide comprehensive database study.

Published in:

PLoS ONE, 2024, v. 19, n. 12, p. 1, doi. 10.1371/journal.pone.0316181

By:

Noda, Tatsuya;
Kuwaki, Kotaro;
Machida, Munehito;
Okumura, Yasuyuki;
Nishioka, Yuichi;
Myojin, Tomoya;
Imamura, Tomoaki

Publication type:

Article