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Author Sunada, Naruhiko| Nakano, Yasuhiro| Otsuka, Yuki| Tokumasu, Kazuki| Honda, Hiroyuki| Sakurada, Yasue| Matsuda, Yui| Hasegawa, Toru| Omura, Daisuke| Ochi, Kanako| Hagiya, Hideharu| Ueda, Keigo| Kataoka, Hitomi| Otsuka, Fumio|
Keywords insomnia myalgic encephalomyelitis chronic fatigue long COVID Omicron variant post COVID-19 condition
Published Date 2022-12-09
Publication Title Journal Of Clinical Medicine
Volume volume11
Issue issue24
Publisher MDPI
Start Page 7332
ISSN 2077-0383
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders © 2022 by the authors.
File Version publisher
PubMed ID 36555948
DOI 10.3390/jcm11247332
Web of Science KeyUT 000901154300001
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Author Nakano, Yasuhiro| Otsuka, Yuki| Honda, Hiroyuki| Sunada, Naruhiko| Tokumasu, Kazuki| Sakurada, Yasue| Matsuda, Yui| Hasegawa, Toru| Ochi, Kanako| Hagiya, Hideharu| Kataoka, Hitomi| Ueda, Keigo| Otsuka, Fumio|
Keywords dysgeusia dysosmia myalgic encephalomyelitis/chronic fatigue syndrome Omicron variant and post COVID-19 condition
Published Date 2022-10-05
Publication Title Medicina-Lithuania
Volume volume58
Issue issue10
Publisher MDPI
Start Page 1393
ISSN 1010-660X
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders © 2022 by the authors.
File Version publisher
PubMed ID 36295554
DOI 10.3390/medicina58101393
Web of Science KeyUT 000875069800001
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Author Tokumasu, Kazuki| Honda, Hiroyuki| Sunada, Naruhiko| Sakurada, Yasue| Matsuda, Yui| Yamamoto, Koichiro| Nakano, Yasuhiro| Hasegawa, Toru| Yamamoto, Yukichika| Otsuka, Yuki| Hagiya, Hideharu| Kataoka, Hitomi| Ueda, Keigo| Otsuka, Fumio|
Keywords general fatigue post-exertional malaise long COVID myalgic encephalomyelitis chronic fatigue syndrome post COVID-19 condition
Published Date 2022-06-25
Publication Title Medicina
Volume volume58
Issue issue7
Publisher MDPI
Start Page 850
ISSN 1010-660X
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders © 2022 by the authors.
File Version publisher
PubMed ID 35888568
DOI 10.3390/medicina58070850
Web of Science KeyUT 000834490500001
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Author Tokumasu, Kazuki| Ueda, Keigo| Honda, Hiroyuki| Sunada, Naruhiko| Sakurada, Yasue| Matsuda, Yui| Nakano, Yasuhiro| Hasegawa, Toru| Otsuka, Yuki| Obika, Mikako| Hagiya, Hideharu| Kataoka, Hitomi| Otsuka, Fumio|
Keywords general fatigue herbal medicine Kampo medicine long COVID
Published Date 2022-05-28
Publication Title Medicina
Volume volume58
Issue issue6
Publisher MDPI
Start Page 730
ISSN 1010-660X
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders © 2022 by the authors.
File Version publisher
PubMed ID 35743993
DOI 10.3390/medicina58060730
Web of Science KeyUT 000818259300001
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Author Hagiya, Hideharu| Otsuka, Yuki| Tokumasu, Kazuki| Honda, Hiroyuki| Nishimura, Yoshito| Obika, Mikako| Otsuka, Fumio|
Published Date 2022-04-21
Publication Title PLOS ONE
Volume volume17
Issue issue4
Publisher Public Library Science
Start Page e0267587
ISSN 1932-6203
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders © 2022 Hagiya et al.
File Version publisher
PubMed ID 35446911
DOI 10.1371/journal.pone.0267587
Web of Science KeyUT 000795468200022
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Author Soejima, Yoshiaki| Otsuka, Yuki| Tokumasu, Kazuki| Nakano, Yasuhiro| Harada, Ko| Nakamoto, Kenta| Sunada, Naruhiko| Sakurada, Yasue| Hasegawa, Kou| Hagiya, Hideharu| Ueda, Keigo| Otsuka, Fumio|
Keywords general fatigue free testosterone late-onset hypogonadism long COVID post-COVID condition
Published Date 2022-04-13
Publication Title Medicina-Lithuania
Volume volume58
Issue issue4
Publisher MDPI
Start Page 536
ISSN 1010-660X
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders © 2022 by the authors.
File Version publisher
PubMed ID 35454374
DOI 10.3390/medicina58040536
Web of Science KeyUT 000785092200001
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Author Yamamoto, Koichiro| Nakano, Yasuhiro| Tokumasu, Kazuki| Honda, Hiroyuki| Hasegawa, Kou| Sato, Asuka| Ogawa, Hiroko| Obika, Mikako| Hanayama, Yoshihisa| Otsuka, Fumio|
Keywords cinacalcct evocalcet hypercalccmia primary hyperparathyroidism
Published Date 2022-04-08
Publication Title Clinical Case Reports
Volume volume10
Issue issue4
Publisher Wiley
Start Page e05713
ISSN 2050-0904
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders © 2022 The Authors.
File Version publisher
PubMed ID 35425612
DOI 10.1002/ccr3.5713
Web of Science KeyUT 000781095000001
Related Url isVersionOf https://doi.org/10.1002/ccr3.5713
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Author Yamamoto, Yukichika| Otsuka, Yuki| Sunada, Naruhiko| Tokumasu, Kazuki| Nakano, Yasuhiro| Honda, Hiroyuki| Sakurada, Yasue| Hagiya, Hideharu| Hanayama, Yoshihisa| Otsuka, Fumio|
Keywords fatigue hypogonadism LOH syndrome long COVID testosterone
Published Date 2022-03-31
Publication Title Journal Of Clinical Medicine
Volume volume11
Issue issue7
Publisher MDPI
Start Page 1955
ISSN 2077-0383
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders © 2022 by the authors.
File Version publisher
PubMed ID 35407562
DOI 10.3390/jcm11071955
Web of Science KeyUT 000782056600001
Related Url isVersionOf https://doi.org/10.3390/jcm11071955
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Author Sakurada, Yasue| Sunada, Naruhiko| Honda, Hiroyuki| Tokumasu, Kazuki| Otsuka, Yuki| Nakano, Yasuhiro| Hanayama, Yoshihisa| Furukawa, Masanori| Hagiya, Hideharu| Otsuka, Fumio|
Keywords Anti-SARS-CoV2 antibody dysgeusia dysosmia general fatigue long COVID
Published Date 2022-02-27
Publication Title Journal Of Clinical Medicine
Volume volume11
Issue issue5
Publisher MDPI
Start Page 1309
ISSN 2077-0383
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders © 2022 by the authors.
File Version publisher
PubMed ID 35268400
DOI 10.3390/jcm11051309
Web of Science KeyUT 000768542800001
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Author Otsuka, Yuki| Nakano, Yasuhiro| Hagiya, Hideharu| Tokumasu, Kazuki| Otsuka, Fumio|
Keywords alopecia areata covid-19 sequalae alopecia covid-19 telogen effluvium
Published Date 2022-01-12
Publication Title Cureus Journal Of Medical Science
Volume volume14
Issue issue1
Publisher CUREUS INC
Start Page e21160
ISSN 2168-8184
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders © 2022 Otsuka et al.
File Version publisher
DOI 10.7759/cureus.21160
Web of Science KeyUT 000744069900043
Related Url isVersionOf https://doi.org/10.7759/cureus.21160
FullText URL fulltext20211109-1.pdf
Author Tokumasu, Kazuki| Ochi, Kanako| Otsuka, Fumio|
Note This article has been accepted for publication in BMJ Case Reports, 2021 following peer review, and the Version of Record can be accessed online at https://doi.org/10.1136/bcr-2021-244861| This is an Accepted Manuscript of an article published by BMJ|
Published Date 2021-10
Publication Title BMJ Case Reports
Volume volume14
Issue issue10
Publisher BMJ
Start Page e244861
ISSN 1757-790X
NCID AA12533286
Content Type Journal Article
language English
Copyright Holders © BMJ Publishing Group Ltd ( for assignments of BMJ Case Reports)
File Version author
PubMed ID 34686480
DOI 10.1136/bcr-2021-244861
Web of Science KeyUT 000711054600001
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Author Otsuka, Yuki| Tokumasu, Kazuki| Nakano, Yasuhiro| Honda, Hiroyuki| Sakurada, Yasue| Sunada, Naruhiko| Omura, Daisuke| Hasegawa, Kou| Hagiya, Hideharu| Obika, Mikako| Ueda, Keigo| Kataoka, Hitomi| Otsuka, Fumio|
Keywords long covid covid-19 aftercare clinic general fatigue general physician post-acute sequelae of covid-19
Published Date 2021-10-07
Publication Title Cureus
Volume volume13
Issue issue10
Publisher Cureus Inc.
Start Page e18568
ISSN 2168-8184
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders © 2021 Otsuka et al.
File Version publisher
DOI 10.7759/cureus.18568
Web of Science KeyUT 000709721800008
Related Url isVersionOf https://doi.org/10.7759/cureus.18568
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Author Fujita-Yamashita, Manami| Yamamoto, Koichiro| Honda, Hiroyuki| Hanayama, Yoshihisa| Tokumasu, Kazuki| Nakano, Yasuhiro| Hasegawa, Kou| Hagiya, Hideharu| Obika, Mikako| Ogawa, Hiroko| Otsuka, Fumio|
Keywords aging bone metabolism calcium cyp27b1 vitamin d
Published Date 2021-09-18
Publication Title Cureus
Volume volume13
Issue issue9
Publisher Cureus Inc
Start Page e18070
ISSN 2168-8184
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders © 2021 Fujita-Yamashita et al.
File Version publisher
DOI 10.7759/cureus.18070
Web of Science KeyUT 000701650300002
Related Url isVersionOf https://doi.org/10.7759/cureus.18070
FullText URL fulltext.pdf
Author Nishimura, Yoshito| Ochi, Kanako| Tokumasu, Kazuki| Obika, Mikako| Hagiya, Hideharu| Kataoka, Hitomi| Otsuka, Fumio|
Keywords COVID-19 online education depression pandemic anxiety medical student
Published Date 2021-02-18
Publication Title Journal of Medical Internet Research
Volume volume23
Issue issue2
Publisher JMIR Publications
Start Page e25232
ISSN 1438-8871
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders © Yoshito Nishimura, Kanako Ochi, Kazuki Tokumasu, Mikako Obika, Hideharu Hagiya, Hitomi Kataoka, Fumio Otsuka.
File Version publisher
PubMed ID 33556033
DOI 10.2196/25232
Web of Science KeyUT 000619233300006
Related Url isVersionOf https://doi.org/10.2196/25232
JaLCDOI 10.18926/AMO/61424
FullText URL 75_1_1.pdf
Author Hamahara, Jun| Honda, Hiroyuki| Yamamoto, Koichiro| Tokumasu, Kazuki| Hanayama, Yoshihisa| Hagiya, Hideharu| Obika, Mikako| Ueda, Keigo| Kishida, Masayuki| Otsuka, Fumio|
Abstract To determine the clinical characteristics of low androgen status in adult males with diabetes, we retrospectively analyzed the medical records of patients with type 2 diabetes mellitus in whom serum free testosterone (FT) levels were examined for 1 year. Among the 46 patients (56 ± 1.5 years old), decreases in serum FT levels to < 8.5 pg/ml (indicating the occurrence of late-onset hypogonadism [LOH]) were detected in 18 (39%). The per-centages of patients with low FT levels were high in the ≥ 50 years age group (83%), the HbA1c < 7% group (67%), and the 25 ≤ BMI < 30 kg/m2 group (56%). The serum FT levels tended to decrease age-dependently. The level of HbA1c was significantly correlated with the Heinemann Aging Male Symptoms (AMS) score (R = 0.47). The low-FT group had decreased levels of hemoglobin. Of note, the serum FSH level (R = −0.32) was negatively correlated with the serum FT level, whereas the serum TSH level (R = 0.36) was positively correlated with the serum FT level. Collectively, these results revealed that many diabetic males may have low FT levels and that the AMS score is related to the HbA1c level. A slightly anemic condition, thyroid dysfunction, and obesity (class 1) might be involved in LOH in middle-aged diabetic males.
Keywords androgen diabetes mellitus late-onset hypogonadism testosterone thyroid function
Amo Type Original Article
Publication Title Acta Medica Okayama
Published Date 2021-02
Volume volume75
Issue issue1
Publisher Okayama University Medical School
Start Page 1
End Page 8
ISSN 0386-300X
NCID AA00508441
Content Type Journal Article
language English
Copyright Holders CopyrightⒸ 2021 by Okayama University Medical School
File Version publisher
Refereed True
PubMed ID 33649607
JaLCDOI 10.18926/AMO/60797
FullText URL 74_5_381.pdf
Author Yamamoto, Koichiro| Hanayama, Yoshihisa| Hasegawa, Kou| Tokumasu, Kazuki| Miyoshi, Tomoko| Hagiya, Hideharu| Ogawa, Hiroko| Obika, Mikako| Itoshima, Koichi| Otsuka, Fumio|
Abstract To clarify the relevance of prolactin (PRL) to clinical parameters in patients who visited our general medicine department, medical records of 353 patients in whom serum PRL levels were measured during the period from 2016 to 2018 were retrospectively reviewed. Data for 140 patients (M/F: 42/98) were analyzed after excluding patients lacking detailed records and patients taking dopaminergic agents. Median serum PRL levels were significantly lower in males than females: 6.5 ng/ml (IQR: 4.2-10.3) versus 8.1 ng/ml (5.9-12.9), respectively. Pain and general fatigue were the major symptoms at the first visit, and past histories of hypertension and dyslipidemia were frequent. Male patients with relatively high PRL levels (≥ 10 ng/ml) had significantly lower levels of serum albumin and significantly higher levels of serum LDH than those with low PRL (< 10 ng/ml). There were significant correlations of male PRL level with the erythrocyte sedimentation rate (R=0.62), serum LDH level (R=0.39) and serum albumin level (R=−0.52), while the level of serum CRP (R=0.33) showed an insignificant but weak positive correlation with PRL level. Collectively, these results show that PRL levels had gender-specific relevance to various clinical factors, with PRL levels in males being significantly related to inflammatory status.
Keywords hormones hyperprolactinemia inflammation pituitary prolactin
Amo Type Original Article
Publication Title Acta Medica Okayama
Published Date 2020-10
Volume volume74
Issue issue5
Publisher Okayama University Medical School
Start Page 381
End Page 389
ISSN 0386-300X
NCID AA00508441
Content Type Journal Article
language English
Copyright Holders CopyrightⒸ 2020 by Okayama University Medical School
File Version publisher
Refereed True
PubMed ID 33106693
Web of Science KeyUT 000581970100002
NAID 120006892923
FullText URL JIC_26_10_1107_1109.pdf
Author Hagiya, Hideharu| Ino, Hideo| Tokumasu, Kazuki| Ogawa, Hiroko| Miyoshi, Tomoko| Ochi, Kanako| Otsuka, Fumio|
Keywords Antimicrobial resistance Antibiotic literacy Antibiotics Students Medical education
Note This fulltext is available in July 2021.|
Published Date 2020-10
Publication Title Journal of Infection and Chemotherapy
Volume volume26
Issue issue10
Publisher Elsevier
Start Page 1107
End Page 1109
ISSN 1341-321X
NCID AA11057978
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
File Version author
PubMed ID 32684385
DOI 10.1016/j.jiac.2020.06.021
Web of Science KeyUT 000561076200020
Related Url isVersionOf https://doi.org/10.1016/j.jiac.2020.06.021
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Author Ueda, Yayoi| Tokumasu, Kazuki| Hagiya, Hideharu| Iio, Koji| Fujimori, Takumi| Kakehi, Ayaka| Okura, Mami| Minabe, Hiroshi| Otsuka, Fumio|
Keywords Mycobacterium chelonae Mycobacteremia Non-tuberculous mycobacteria Osteomyelitis Rapidly growing mycobacteria Rheumatoid arthritis
Note This fulltext is available in May 2021.|
Published Date 2020-05-11
Publication Title Journal of Infection and Chemotherapy
Volume volume26
Issue issue8
Publisher Elsevier
Start Page 843
End Page 846
ISSN 1341321X
NCID AA11057978
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders © 2020 Japanese Society of Chemotherapy and The Japanese Association for Infectious Diseases. Published by Elsevier Ltd.
File Version author
PubMed ID 32402735
DOI 10.1016/j.jiac.2020.03.004
Related Url isVersionOf https://doi.org/10.1016/j.jiac.2020.03.004