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original article |
Date |
Title |
Authors All Authors |
| 1 |
[GO] |
2026―Mar―08 |
Mental health and educational environments of university students during the post-Coronavirus Disease 2019 pandemic: A longitudinal study |
Mika Tanaka, Yuji Tanaka, Kazutaka Ohi, Toshiki Shioiri |
| 2 |
[GO] |
2025―Dec―02 |
Increased suicide-related behaviors, challenging behaviors, and anxiety symptoms in elementary and junior high school students after the coronavirus disease 2019 pandemic: A single-center case-control study |
Masahiro Ishida, Yoshinori Sasaki, Masahide Usami, Yuta Yoshimura, Masaya Ito, Katsunaka Mikami, et al. (+11) Noa Tsujii, Hiroaki Kihara, Yuriko Yanagi, Tamae Inomata, Kotoe Itagaki, Ayaka Hashimoto, Keita Yamamoto, Yuki Hakoshima, Kumi Inazaki, Yuki Mizumoto, Hikaru Hori |
| 3 |
[GO] |
2025―Dec―02 |
A case of Klinefelter syndrome presenting with an acute psychotic episode after COVID-19 infection |
Ryosuke Fujii, Sho Kanata, Yukako Watanabe, Hiroshi Kunugi |
| 4 |
[GO] |
2025―Nov―06 |
A retrospective risk factor analysis in psychiatric inpatients with COVID-19 from 2020 to 2023 at a neuropsychiatric hospital in Tokyo |
Takuma Inagawa, Hajime Ariga, Hiroki Okano, Takako Enokida, Takashi Usami, Atsushi Unuma, et al. (+3) Yuji Saitoh, Naoko Satake, Takamasa Noda |
| 5 |
[GO] |
2025―Aug―30 |
New-onset Kleine-Levin syndrome following COVID-19 infection: A case report |
Daisuke Yoshioka, Takehiko Yamanashi, Masaaki Iwata |
| 6 |
[GO] |
2025―Aug―16 |
Trichotillomania in long COVID successfully treated with escitalopram: A case report |
Rinka Hata, Hiroko Sugawara, Reo Hayashi, Yuta Okamoto, Rei Nishihara, Tomomi Yamasaki, et al. (+3) Akito Hatanaka, Kohei Harada, Hikaru Hori |
| 7 |
[GO] |
2025―Aug―16 |
Mental health of youth athletes during the second year of the COVID-19 pandemic in Japan: A three-wave cross-sectional study |
Fumiaki Yano, Tomihisa Niitsu, Yusuke Nakata, Masaomi Iyo |
| 8 |
[GO] |
2025―Jul―15 |
General and event-related psychological stress, and suicidal ideation among hospital workers during the coronavirus disease 2019 pandemic: Findings from the third wave of repeated cross-sectional studies |
Keiko Ide, Akira Suda, Asuka Yoshimi, Junichi Fujita, Munetaka Nomoto, Masatoshi Miyauchi, et al. (+4) Tomohide Roppongi, Akitoyo Hishimoto, Toshinari Odawara, Takeshi Asami |
| 9 |
[GO] |
2025―Jun―25 |
First episode of psychiatric and neuropsychiatric disease among patients infected with COVID-19: A scoping review |
Wali Yousufzai, Alex Heo, Kyle Gu, Edward Sun, Gabriel Lopez, Shreya Balamurali, et al. (+7) Jennifer Adjei-Mosi, Riley Shin, Daniel B. Stuart, Peggy Edwards, Regina Baronia, Wail Amor, Terry McMahon |
| 10 |
[GO] |
2025―Apr―27 |
Recovery from Myalgic Encephalomyelitis/Chronic Fatigue syndrome developed after severe acute respiratory syndrome coronavirus 2 vaccination: A case report |
Isaku Kurotori, Wataru Sasao, Masahiko Abe |
| 11 |
[GO] |
2025―Feb―03 |
Trends in uptake of cancer screening among people with severe mental illness before and after the COVID-19 pandemic in Japan: A repeated cross-sectional study |
Yuto Yamada, Masaki Fujiwara, Naoki Nakaya, Koji Otsuki, Taichi Shimazu, Maiko Fujimori, et al. (+4) Shiro Hinotsu, Kiwamu Nagoshi, Yosuke Uchitomi, Masatoshi Inagaki |
| 12 |
[GO] |
2024―Dec―18 |
The COVID-19 pandemic-induced behavioral restrictions and their impact on child and adolescent psychiatric units-Infection control or freedom |
Masahide Usami, Yoshinori Sasaki, Mayuna Ichikawa, Miki Matsudo, Mutsumi Ohashi, Yui Higashino, et al. (+15) Yusuke Kono, Haruna Matsudo, Yuki Nomura, Minjae Ma, Yuuki Sakoh, Maiko Odaka, Kotoe Itagaki, Keita Yamamoto, Momoka Takahashi, Yuta Yoshimura, Saori Inoue, Masahiro Ishida, Kumi Inazaki, Yuki Hakoshima, Yuki Mizumoto |
| 13 |
[GO] |
2024―Oct―05 |
Comparing personality traits of healthcare workers with and without long COVID: Cross-sectional study |
Keiko Sakai, Seiichiro Tarutani, Takehiko Okamura, Hiroshi Yoneda, Tatsuhito Kawasaki, Masatoshi Takeda |
| 14 |
[GO] |
2024―Oct―04 |
Greater impact of COVID-19 on peer-supported addiction services than government-owned services for addiction in Japan: A nationwide 3-year longitudinal cohort study |
Munenori Katayama, Sou Fujishiro, Kanna Sugiura, Jun Konishi, Ken Inada, Norihito Shirakawa, Toshihiko Matsumoto |
| 15 |
[GO] |
2024―Sep―04 |
Online consortium managing COVID-19-related mental health problems |
Aya Sekine, Hirokazu Tachikawa, Saori Ecoyama, Kiyotaka Nemoto, Sho Takahashi, Megumi Sasaki, et al. (+3) Takafumi Hori, Shinji Sato, Tetsuaki Arai |
| 16 |
[GO] |
2024―Sep―02 |
Exploring factors associated with increased suicides during the COVID-19 pandemic in Japan: A study using data from postmortem examinations conducted in an urban area |
Yotaro Katsumata, Toshiaki Okano, Tadashi Takeshima, Yuka Igarashi |
| 17 |
[GO] |
2024―Aug―18 |
Online peer support for mental health in individuals with post-acute sequelae of COVID-19: A pre-post pilot study with mixed methods |
Megumi Hazumi, Michi Miyake, Mayumi Kataoka, Kentaro Usuda, Daisuke Nishi |
| 18 |
[GO] |
2024―Aug―16 |
Cross-sectional study on university students' mental health during the COVID-19 pandemic: Exploring the influence of adverse and positive childhood experiences |
Tetsuro Noda, Hiromu Nagaura, Yoshinobu Fujita, Toshihiko Tsutsumi |
| 19 |
[GO] |
2024―Aug―15 |
No change in the severity of eating disorders in Japanese children during the COVID-19 pandemic |
Masahide Usami, Yoshinori Sasaki, Kotoe Itagaki, Yuta Yoshimura, Kumi Inazaki, Yuki Hakoshima, Yuki Mizumoto |
| 20 |
[GO] |
2024―Jul―26 |
Activities of psychiatrists in specialized coronavirus disease 2019 wards at Juntendo Hospital |
Yoshihide Takeshita, Narimasa Katsuta |
| 21 |
[GO] |
2024―Jul―02 |
Psychological treatments for mental health symptoms associated with COVID-19 infection: A scoping review |
So Sugita, Kotone Hata, Krandhasi Kodaiarasu, Naoki Takamatsu, Kentaro Kimura, Christian Miller, et al. (+7) Lecsy Gonzalez, Ikue Umemoto, Keitaro Murayama, Tomohiro Nakao, Shinsuke Kito, Masaya Ito, Hironori Kuga |
| 22 |
[GO] |
2024―Jun―14 |
Association between work environment changes due to the COVID-19 pandemic and post-traumatic stress disorder in Japanese workers during the emergency declaration |
Tetsuro Noda, Kumi Hirokawa, Kyoko Tokunaga |
| 23 |
[GO] |
2024―Apr―02 |
Suicide mortality rates in Japan before and beyond the COVID-19 pandemic era |
Motohiro Okada, Ryusuke Matsumoto, Eishi Motomura |
| 24 |
[GO] |
2023―Sep―19 |
Association between precautionary behaviors against coronavirus disease and psychosocial factors in outpatients with a pre-existing disease and their attendants |
Keita Idemoto, Tomihisa Niitsu, Akihiro Shiina, Osamu Kobori, Misaki Onodera, Kiyomitsu Ota, et al. (+11) Atsuhiro Miyazawa, Masumi Tachibana, Makoto Kimura, Ryota Seki, Tasuku Hashimoto, Kensuke Yoshimura, Shoichi Ito, Michiko Nakazato, Yoshito Igarashi, Eiji Shimizu, Masaomi Iyo |
| 25 |
[GO] |
2023―Sep―01 |
Depressive symptoms, burnout, resilience, and psychosocial support in healthcare workers during the COVID-19 pandemic: A nationwide study in Japan |
Nene Oyama, Mayumi Seki, Mari Nakai, Kyoko Miyamoto, Kayoko Nagao, Reo Morimitsu |
| 26 |
[GO] |
2023―Aug―28 |
Caution to psychiatry ward: COVID-19 pneumonia can manifest weeks or months after testing positive with a PCR test in individuals on preexisting immune-suppressing medication |
Masaki Nakano, Michitaka Funayama, Riko Wakisaka, Taketo Takata, Shun Kudo, Shin Kuramochi, et al. (+5) Akihiro Koreki, Satoyuki Ogino, Takuto Ishida, Hiroyuki Uchida, Masaru Mimura |
| 27 |
[GO] |
2023―Aug―19 |
Impact of continued mindfulness practice on resilience and well-being in mindfulness-based intervention graduates during the COVID-19 pandemic: A cross-sectional study |
Chisato Tanaka, Kenta Wakaizumi, Akira Ninomiya, Noriko Tamura, Shizuko Kosugi, Sunre Park, et al. (+3) Mitsuhiro Sado, Masaru Mimura, Daisuke Fujisawa |
| 28 |
[GO] |
2023―Jun―29 |
Dementia with Lewy bodies after COVID-19 infection with catatonia: A case report |
Minori Tanibuchi, Shinji Ueda, Masahide Kouno, Kyohei Otani |
| 29 |
[GO] |
2023―Jun―26 |
Remorse-related suicide attempts among young mothers after COVID-19 infection |
Kyohei Otani, Ryohei Yoshikawa, Atsumi Naito, Haruko Fukushima, Kunitaka Matsuishi |
| 30 |
[GO] |
2023―Jun―12 |
Impact of individual factors and personality trait on psychological problems of family members living with staff of a COVID-19 frontline hospital: A cross-sectional self-administered anonymous questionnaire survey |
Shinya Uenishi, Momoko Buyo, Seiji Sato, Hiroko Kojitani, Ryo Odachi, Toshiko Matsuoka, et al. (+4) Yuka Okuda, Sohei Kimoto, Masaya Hironishi, Shun Takahashi |
| 31 |
[GO] |
2023―Jun―12 |
No changes in cerebral cortical and subcortical structures before and after SARS-CoV-2 infection: Case reports of a patient with schizophrenia and a patient with major depressive disorder |
Junya Matsumoto, Satsuki Ito, Ryuichi Yamazaki, Kiyotaka Nemoto, Masaki Fukunaga, Fumitoshi Kodaka, et al. (+4) Harumasa Takano, Naomi Hasegawa, Kenichiro Miura, Ryota Hashimoto |
| 32 |
[GO] |
2023―Jun―09 |
Effectiveness of psychological first aid in infectious disease pandemics: An overview of systematic reviews |
Masahide Koda, Toru Horinouchi, Nozomu Oya, Morio Aki, Akihisa Iriki, Kazufumi Yoshida, et al. (+3) Yusuke Ogawa, Hironori Kuga, Tomohiro Nakao |
| 33 |
[GO] |
2023―May―24 |
Motivation and hesitation of healthcare workers to work during the H1N1 influenza and COVID-19 pandemics: An exploratory single-centered repeated cross-sectional study |
Hissei Imai, Haruko Fukushima, Chisato Miyakoshi, Kunitaka Matsuishi |
| 34 |
[GO] |
2023―Mar―03 |
Impact of the COVID-19 pandemic on patients with bipolar disorder in Japan |
Yuko Isogaya, Dai Kezuka, Chiho Suzuki, Shingo Hoshina, Eiji Suzuki |
| 35 |
[GO] |
2023―Jan―17 |
Some people living with HIV might need to pay attention to their mental health during the COVID-19 two years pandemic in Tokyo until the Omicron variant occur |
Takahiro Tanaka, Michiko Koga, Takeya Tsutsumi, Takashi Hosaka, Hiroshi Yotsuyanagi |
| 36 |
[GO] |
2022―Nov―28 |
Association between meal frequency with others and psychological distress during the COVID-19 pandemic: A cross-sectional study |
Rikako Tsuji, Daisuke Nishi, Natsu Sasaki, Hiroto Akiyama, Reiko Kuroda, Kanami Tsuno, et al. (+2) Kotaro Imamura, Norito Kawakami |
| 37 |
[GO] |
2022―Sep―13 |
A healthcare worker's wedding during the COVID-19 pandemic: Mental healthcare in the aftermath of an outbreak |
Kyohei Otani, Atsumi Miura, Hiroyuki Miyai, Haruko Fukushima, Kunitaka Matsuishi |
| 38 |
[GO] |
2022―Aug―29 |
Game-related behaviors among children and adolescents after school closure during the COVID-19 pandemic: A cross-sectional study |
Naoki Yamamoto, Yoshiro Morimoto, Hirohisa Kinoshita, Hirokazu Kumazaki, Sumihisa Honda, Ryoichiro Iwanaga, et al. (+2) Akira Imamura, Hiroki Ozawa |
| 39 |
[GO] |
2022―Jul―21 |
How university students changed their habits and developed mental disorders in the context of the coronavirus disease 2019 (COVID-19) pandemic in Japan: Three case reports |
Maiko Nagaoka, Hiroe Kubo, Kuniko Tashiro, Maiko Kinoshita, Hiroko Inoue, Hirofumi Soejima, Noboru Fujise |
| 40 |
[GO] |
2022―Jun―22 |
Implementation of online classes during national school closure due to COVID-19 and mental health symptoms of adolescents: A cross-sectional survey of 5000 students |
Ryo Morishima, Haruna Koike, Akiko Kanehara, Kaori Usui, Naohiro Okada, Shuntaro Ando, Kiyoto Kasai |
| 41 |
[GO] |
2022―Apr―28 |
Psychological impact of the COVID-19 pandemic on hospital workers in Kobe: A cross-sectional survey |
Haruko Fukushima, Hissei Imai, Chisato Miyakoshi, Hiroyuki Miyai, Kyohei Otani, Shinsuke Aoyama, Kunitaka Matsuishi |
| 42 |
[GO] |
2022―Mar―14 |
Psychological symptoms and related risk factors among healthcare workers and medical students during the early phase of the COVID-19 pandemic in Japan |
Takaki Tanifuji, Shinsuke Aoyama, Yutaka Shinko, Kentaro Mouri, Saehyeon Kim, Seimi Satomi-Kobayashi, et al. (+3) Masakazu Shinohara, Seiji Kawano, Ichiro Sora |