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FullText URL 79_2_145.pdf
Amo Type Erratum
Publication Title Acta Medica Okayama
Published Date 2025-04
Volume volume79
Issue issue2
Publisher Okayama University Medical School
Start Page 145
End Page 145
ISSN 0386-300X
NCID AA00508441
Content Type Others
language English
Copyright Holders Copyright Ⓒ 2025 by Okayama University Medical School
File Version publisher
Refereed True
JaLCDOI 10.18926/AMO/68654
FullText URL 79_2_139.pdf
Author Takeda, Yasushige| Noma, Kazuhiro| Maeda, Naoaki| Mizusawa, Yohei| Matsumoto, Hijiri| Kondo, Yuhei| Kunitomo, Tomoyoshi| Tanoue, Yukinori| Hashimoto, Masashi| Tanabe, Shunsuke| Fujiwara, Toshiyoshi|
Abstract In thoracic esophageal cancer, lymph node dissection around the recurrent laryngeal nerve is crucial but poses a risk of nerve palsy, affecting postoperative quality of life. In cases with an aberrant right subclavian artery (ARSA), the right recurrent laryngeal nerve is absent, and the non-recurrent inferior laryngeal nerve (NRILN) enters the larynx directly from the vagus nerve in the cervical region. Identifying the course of the NRILN is vital to avoid injury. A case of esophageal cancer with an ARSA, in which the course of the NRILN was preserved using the Nerve Integrity Monitoring (NIM) system during surgery, is described.
Keywords esophageal cancer intraoperative nerve monitoring aberrant right subclavian artery non-recurrent inferior laryngeal nerve thoracoscopic esophagectomy
Amo Type Case Report
Publication Title Acta Medica Okayama
Published Date 2025-04
Volume volume79
Issue issue2
Publisher Okayama University Medical School
Start Page 139
End Page 144
ISSN 0386-300X
NCID AA00508441
Content Type Journal Article
language English
Copyright Holders Copyright Ⓒ 2025 by Okayama University Medical School
File Version publisher
Refereed True
JaLCDOI 10.18926/AMO/68652
FullText URL 79_2_129.pdf
Author Tsuji, Akihiro| Shiode, Yusuke| Kimura, Shuhei| Hosokawa, Mio| Matoba, Ryo| Morita, Tetsuro| Takahashi, Kosuke| Morizane, Yuki|
Abstract A 66-year-old woman presented with significant anterior capsule contraction and intraocular lens dislocation in both eyes 4 months after cataract surgery. Postoperative examinations such as fluorescein angiography, Goldmann perimetry, and electroretinography revealed retinitis pigmentosa (RP). Patients with significant anterior capsule contraction after cataract surgery should be closely examined because RP may be a contributing factor.
Keywords retinitis pigmentosa intraocular lens anterior capsule contraction
Amo Type Case Report
Publication Title Acta Medica Okayama
Published Date 2025-04
Volume volume79
Issue issue2
Publisher Okayama University Medical School
Start Page 129
End Page 134
ISSN 0386-300X
NCID AA00508441
Content Type Journal Article
language English
Copyright Holders Copyright Ⓒ 2025 by Okayama University Medical School
File Version publisher
Refereed True
JaLCDOI 10.18926/AMO/68649
FullText URL 79_2_109.pdf
Author Awai, Kyoko| Nakatsuka, Mikiya|
Abstract The status of postpartum depression was elucidated herein with the use of the Edinburgh Postnatal Depression Scale (EPDS) in women in Shikoku, Japan who became pregnant and gave birth after undergoing infertility treatment, including assisted reproductive technology (ART). The assessment was performed during their children’s 4-month health examination. The relationships between postpartum depression and the mothers’ background factors and scores on the Big Five personality traits scale were also examined. Of the Big Five personality traits, the scores for neuroticism were significantly higher in the ART group (n=71) than in the general infertility treatment (n=118) and natural pregnancy (n=872) groups. No significant differences in EPDS scores were seen among these three groups. A logistic regression analysis showed that neuroticism was associated with an EPDS score ≧9 points, (which is suggestive of postpartum depression, ) in all groups. Moreover, although a long-standing marriage had an inhibitory effect on postpartum depression in the natural pregnancy group, no such trend was seen in the ART group, which included many women with long-standing marriages. Particularly for women who become pregnant by ART, an individualized response that pays close attention to the woman’s personality traits is needed.
Keywords infertility treatment assisted reproductive technology postpartum postpartum depression personality trait
Amo Type Original Article
Publication Title Acta Medica Okayama
Published Date 2025-04
Volume volume79
Issue issue2
Publisher Okayama University Medical School
Start Page 109
End Page 116
ISSN 0386-300X
NCID AA00508441
Content Type Journal Article
language English
Copyright Holders Copyright Ⓒ 2025 by Okayama University Medical School
File Version publisher
Refereed True
JaLCDOI 10.18926/AMO/68648
FullText URL 79_2_101.pdf
Author Isozaki, Hiroshi| Matsumoto, Sasau| Takama, Takehiro| Isozaki, Yuka|
Abstract To evaluate the effectiveness of postoperative irradiation (POI) for patients with cN0 early breast cancer, we retrospectively analyzed the cases of 650 consecutive breast cancer patients who underwent sentinel lymph node (SLN)-guided surgery (2005-2022) at our hospital. In this cohort, 53% (278/521) of the patients who underwent breast conservative surgery (BCS) and 96% (124/129) of those treated with mastectomy did not receive POI. The patients who underwent BCS were treated with POI using opposing tangential field irradiation. A false negative (FN) SLN was retrospectively defined as a negative metastasis in SLN plus positive recurrence in the axillary lymph nodes. Recurrence was detected in 83 patients. A logistic regression analysis revealed that the nuclear grade (odds ratio [OR] 1.69), POI (OR 0.41), and postoperative hormone therapy (OR 0.40) were each significantly related to recurrence. The 26.1% (12/46) FN rate of the non-POI patients decreased to 5.8% (1/17) compared to those treated with POI. The rate of axillary recurrence was significantly lower in the POI group (0.4%) versus the non-POI group (2.7%) (p=0.0355). The rate of locoregional recurrence was also significantly lower in the POI group (2.0%) versus the non-POI group (13.4%) (p<0.0001). No significant difference was observed in the rate of distant recurrence between the POI (4.0%) and non-POI (3.3%) (p=0.831) groups. These results indicated that the postoperative opposing tangential field irradiation of conserved breast tissue inhibited recurrence in the axillary lymph nodes.
Keywords breast cancer postoperative irradiation radiation therapy sentinel lymph nodes recurrence
Amo Type Original Article
Publication Title Acta Medica Okayama
Published Date 2025-04
Volume volume79
Issue issue2
Publisher Okayama University Medical School
Start Page 101
End Page 107
ISSN 0386-300X
NCID AA00508441
Content Type Journal Article
language English
Copyright Holders Copyright Ⓒ 2025 by Okayama University Medical School
File Version publisher
Refereed True
JaLCDOI 10.18926/AMO/68647
FullText URL 79_2_093.pdf
Author Tsuchie, Rina| Fukuda, Mari| Tsumura, Hideki| Kinuta, Minako| Hisamatsu, Takashi| Kanda, Hideyuki|
Abstract School teachers are subject to both physical and mental health problems. We examined cross-sectional relationships between work engagement and major health outcomes among junior and senior high school teachers in Japan via a nationwide survey in 2019-2020. A total of 3,160 respondents were included in the analyses (19.9% response rate). Work engagement was assessed with the Utrecht Work Engagement Scale-9 (UWES-9), and we thus divided the teachers into quartiles according to their UWES-9 scores. Based on validated questionnaires, we assessed insomnia, psychological distress, and neck pain as health outcomes. A binomial logistic regression adjusted for age, gender, school type, teacher’s roles, involvement in club activities, division of duties, employment status, and whether they lived with family demonstrated that the teachers with lower UWES-9 scores had higher burdens of insomnia, psychological distress, and neck pain (odds ratios [95% confidence intervals] in 4th vs. 1st quartile, 2.92 (2.34-3.65), 3.70 (2.81-4.88), and 2.12 (1.68-2.68), respectively; all trend p<0.001). There were no significant differences in these associations between full-time and part-time teachers. Our findings indicate that low work engagement may contribute to physical and mental health issues among junior and senior high school teachers, thus providing insights for preventing health problems in this profession.
Keywords work engagement school teachers insomnia psychological distress neck pain
Amo Type Original Article
Publication Title Acta Medica Okayama
Published Date 2025-04
Volume volume79
Issue issue2
Publisher Okayama University Medical School
Start Page 93
End Page 100
ISSN 0386-300X
NCID AA00508441
Content Type Journal Article
language English
Copyright Holders Copyright Ⓒ 2025 by Okayama University Medical School
File Version publisher
Refereed True
JaLCDOI 10.18926/AMO/68645
FullText URL 79_2_075.pdf
Author Higaki, Fumiyo| Morimitsu, Yusuke| Iguchi, Toshihiro| Hwang, Sung Il| Kitayama, Takahiro| Takahashi, Yuka| Uka, Mayu| Akagi, Noriaki| Sugaya, Akiko| Mitsuhashi, Toshiharu| Matsui, Yusuke| Hiraki, Takao|
Abstract Temporal bone computed tomography (CT) is frequently performed for pediatric patients with ear diseases. Advances in CT technology have improved diagnostic imaging quality, but reduction of radiation exposure remains a goal. We evaluated the potential for radiation dose reduction in temporal bone CT examinations using porcine ear ossicles and a photon-counting detector CT system. Three scans of the bilateral temporal bone were performed on each of three pig cadaver heads. In each of seven successive imaging sessions, the radiation dose was reduced by an additional one-seventh of the recommended dose (RD). Two board-certified radiologists independently scored the resulting images on a scale of 1 to 5 points, where 5 represented the image quality at the RD. Images scoring ≥4.5 points were considered acceptable. Noise was assessed in a 2-cm-diameter region near the ear ossicles, and standard deviation was measured for each of the seven decrements from the RD. As the radiation dose decreased, the noise progressively increased, and visual assessment scores progressively decreased. Acceptable image scores were obtained at six-sevenths (4.9), five-sevenths (4.8), four-sevenths (4.7), and three-sevenths (4.6) of the RD. Thus, acceptable porcine temporal bone CT images were obtained with a radiation dose reduction of approximately 50%.
Keywords computed tomography photon-counting detector computed tomography ear ossicle energy-integrating detector computed tomography
Amo Type Original Article
Publication Title Acta Medica Okayama
Published Date 2025-04
Volume volume79
Issue issue2
Publisher Okayama University Medical School
Start Page 75
End Page 80
ISSN 0386-300X
NCID AA00508441
Content Type Journal Article
language English
Copyright Holders Copyright Ⓒ 2025 by Okayama University Medical School
File Version publisher
Refereed True
JaLCDOI 10.18926/AMO/68644
FullText URL 79_2_065.pdf
Author Maki, Masatoshi| Takada, Ryo| Ishigo, Tomoyuki| Fujiwara, Miki| Takahashi, Yoko| Otsuka, Shinya| Tamura, Koji| Hamaoka, Terutaka|
Abstract Anamorelin (ANAM) is used to treat cancer-associated cachexia, a syndrome involving muscle loss and anorexia. The timing of the initiation of ANAM treatment is crucial to its efficacy. Although the body mass index (BMI) is a diagnostic criterion for cancer cachexia, no studies have explored its association with ANAM efficacy. We conducted a single-center, retrospective cohort study to investigate the association between the pre-treatment BMI and ANAM efficacy in patients with cancer-associated cachexia (n=47). The ANAM treatment was considered effective if the patient’s appetite improved within 30 days of treatment initiation. We calculated a BMI cutoff value (19.5 kg/m2) and used it to divide the patients into high- and low-BMI groups. Their background, clinical laboratory values, cancer types, and treatment lines were investigated. Twenty (42.6%) had a high BMI (≥ 19.5 kg/m2) and 27 (57.4%) had a low BMI (< 19.5 kg/m2). High BMI was significantly associated with ANAM effectiveness (odds ratio 7.86, 95% confidence interval 1.99-31.00, p=0.003). Together these results indicate that it is beneficial to initiate ANAM treatment before a patient’s BMI drops below 19.5 kg/m2. Our findings will help advance cancer cachexia treatment and serve as a reference for clinicians to predict ANAM’s efficacy.
Keywords anamorelin cancer-associated cachexia body mass index albumin efficacy rate
Amo Type Original Article
Publication Title Acta Medica Okayama
Published Date 2025-04
Volume volume79
Issue issue2
Publisher Okayama University Medical School
Start Page 65
End Page 73
ISSN 0386-300X
NCID AA00508441
Content Type Journal Article
language English
Copyright Holders Copyright Ⓒ 2025 by Okayama University Medical School
File Version publisher
Refereed True
FullText URL fulltext.pdf
Author Yumoto, Tetsuya| Obara, Takafumi| Hongo, Takashi| Nojima, Tsuyoshi| Tsukahara, Kohei| Hisamura, Masaki| Nakao, Atsunori| Yorifuji, Takashi| Naito, Hiromichi|
Keywords Ambulance diversion Bed occupancy Brain death Emergency medical services Intensive care units Organ donation
Published Date 2025-04-12
Publication Title Scientific Reports
Volume volume15
Issue issue1
Publisher Nature Portfolio
Start Page 12633
ISSN 2045-2322
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders © The Author(s) 2025
File Version publisher
PubMed ID 40221631
DOI 10.1038/s41598-025-97198-7
Web of Science KeyUT 001466042000027
Related Url isVersionOf https://doi.org/10.1038/s41598-025-97198-7
FullText URL fulltext.pdf
Author Takagi, Kosei| Fuji, Tomokazu| Yasui, Kazuya| Umeda, Yuzo| Yamada, Motohiko| Nishiyama, Takeyoshi| Nagai, Yasuo| Kanehira, Noriyuki| Fujiwara, Toshiyoshi|
Keywords Liver resection Robotic surgery Training Outcomes
Published Date 2025-04-07
Publication Title World Journal of Surgical Oncology
Volume volume23
Issue issue1
Publisher BMC
Start Page 124
ISSN 1477-7819
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders © The Author(s) 2025.
File Version publisher
PubMed ID 40197387
DOI 10.1186/s12957-025-03785-3
Web of Science KeyUT 001464921100004
Related Url isVersionOf https://doi.org/10.1186/s12957-025-03785-3
FullText URL fulltext.pdf
Author Kinuta, Minako| Hisamatsu, Takashi| Taniguchi, Kaori| Fukuda, Mari| Nakahata, Noriko| Kanda, Hideyuki|
Note The version of record of this article, first published in Journal of Human Hypertension, is available online at Publisher’s website: http://dx.doi.org/10.1038/s41371-025-01014-8|
Published Date 2025-04-03
Publication Title Journal of Human Hypertension
Publisher Springer Science and Business Media LLC
ISSN 1476-5527
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders © The Author(s) 2025
File Version publisher
PubMed ID 40181092
DOI 10.1038/s41371-025-01014-8
Web of Science KeyUT 001458976500001
Related Url isVersionOf https://doi.org/10.1038/s41371-025-01014-8
FullText URL fulltext.pdf
Author Bian, Yuting| Fukui, Yusuke| Ota-Elliott, Ricardo Satoshi| Hu, Xinran| Sun, Hongming| Bian, Zhihong| Zhai, Yun| Yu, Haibo| Hu, Xiao| An, Hangping| Liu, Hongzhi| Morihara, Ryuta| Ishiura, Hiroyuki| Yamashita, Toru|
Keywords TDP-43 ALS RNA-binding protein Mislocalization G3BP1 HDAC6 RAD23B tMCAO
Published Date 2025-04
Publication Title Neuroscience Research
Volume volume213
Publisher Elsevier BV
Start Page 128
End Page 137
ISSN 0168-0102
NCID AA10641652
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders © 2025 The Author(s).
File Version publisher
PubMed ID 39889925
DOI 10.1016/j.neures.2025.01.006
Web of Science KeyUT 001456257900001
Related Url isVersionOf https://doi.org/10.1016/j.neures.2025.01.006
FullText URL fulltext.pdf
Author Matsuo, Toshihiko| Tanaka, Takehiro| Asada, Noboru| Obika, Mikako| Omichi, Ryotaro| Iwatsuki, Keiji|
Keywords corneal infiltration hypopyon myelodysplastic syndromes neutrophilic dermatosis peripheral keratitis pyoderma gangrenosum scleritis sweet syndrome
Published Date 2025-04-16
Publication Title Cureus
Volume volume17
Issue issue4
Publisher Springer Science and Business Media LLC
Start Page e82348
ISSN 2168-8184
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders © Copyright 2025 Matsuo et al.
File Version publisher
DOI 10.7759/cureus.82348
Related Url isVersionOf https://doi.org/10.7759/cureus.82348
FullText URL fulltext.pdf
Author Tanaka, Shin| Nakata, Eiji| Ryuko, Tsuyoshi| Itano, Takuto| Tomioka, Yasuaki| Shien, Kazuhiko| Suzawa, Ken| Miyoshi, Kentaroh| Okazaki, Mikio| Sugimoto, Seiichiro| Ozaki, Toshifumi| Toyooka, Shinichi|
Keywords Primary chest wall sarcomas Chest wall resection Chondrosarcoma Robust chest wall reconstruction
Published Date 2025-04-01
Publication Title European Journal of Orthopaedic Surgery & Traumatology
Volume volume35
Issue issue1
Publisher Springer Science and Business Media LLC
Start Page 141
ISSN 1432-1068
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders © The Author(s) 2025
File Version publisher
PubMed ID 40167819
DOI 10.1007/s00590-025-04260-1
Web of Science KeyUT 001459451400002
Related Url isVersionOf https://doi.org/10.1007/s00590-025-04260-1
FullText URL fulltext.pdf
Author Jinzenji, Masao| Kuwata, Ken|
Keywords Nonperturbative Effects String Duality Topological Field Theories Topological Strings
Published Date 2024-12-17
Publication Title Journal of High Energy Physics
Volume volume2024
Issue issue12
Publisher Springer
Start Page 135
ISSN 1029-8479
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders © The Authors.
File Version publisher
DOI 10.1007/JHEP12(2024)135
Web of Science KeyUT 001416946000007
Related Url isVersionOf https://doi.org/10.1007/JHEP12(2024)135
JaLCDOI 10.18926/interdisciplinary/68620
Title Alternative Corporate decision-making process for exploration time
FullText URL interdisciplinary_5_1.pdf
Author SHIMIZU, Takeshi|
Abstract In order for companies to innovate through business co-creation, it is necessary to explore a wide range of external knowledge and technologies. However, there is no clear answer as to how much time should be spent for exploration. Under these circumstances, companies must take into account constraints such as the amount of management resources that can be invested, and make decisions about the time to spend for exploration. The purpose of this paper is to clarify the process of how companies that have introduced corporate accelerator program recognize the relationship between the program period and the results of business co-creation, and how they make decisions about the program period. We conducted a case study of several companies that have introduced corporate accelerator program in Japan. In addition, this paper established a hypothesis about decision-making about the time for exploration from case studies.
Keywords corporate accelerator program co-creation exploration Time Compression Diseconomies
Publication Title Interdisciplinary Science
Published Date 2025-03-31
Volume volume5
Start Page 1
End Page 9
ISSN 2436-3227
language Japanese
File Version publisher
FullText URL interdisciplinary_5_contents.pdf
Publication Title Interdisciplinary Science
Published Date 2025-03-31
Volume volume5
ISSN 2436-3227
language Japanese
File Version publisher
FullText URL fulltext.pdf
Author Tamura, Masanori| Furumatsu, Takayuki| Kitayama, Takahiro| Yokoyama, Yusuke| Okazaki, Yuki| Kawada, Koki| Ozaki, Toshifumi|
Keywords Medial meniscus Posterior root tear Distance Pullout repair Second-look arthroscopy
Published Date 2025-04-03
Publication Title Knee Surgery & Related Research
Volume volume37
Issue issue1
Publisher Springer Nature
Start Page 16
ISSN 2234-2451
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders © The Author(s) 2025.
File Version publisher
PubMed ID 40181486
DOI 10.1186/s43019-025-00264-7
Web of Science KeyUT 001459123500001
Related Url isVersionOf https://doi.org/10.1186/s43019-025-00264-7
FullText URL mjou_067_133_147.pdf
Author Nakagawa, Yuto| Nakano, Fumihiko|
Abstract K. Brown [1] studied the random to top shuffle (the Tsetlin libary) by semigroup method. In this paper, (i) we extend his results to the colored permutation groups, and (ii) we consider a q-analogue of Tsetlin library which is different from what is studied in [1]. In (i), the results also extends those results for the top to random shuffle [4],[5], [6] to arbitrary distribution of choosing cards, but we still have derangement numbers in the multiplicity of each eigenvalues. In (ii), a version of q-analogue of derangement numbers by Chen-Rota [3] appears in the multiplicity of eigenvalues.
Keywords Tsetlin library Left Regular Band colored permutation group
Published Date 2025-01
Publication Title Mathematical Journal of Okayama University
Volume volume67
Issue issue1
Publisher Department of Mathematics, Faculty of Science, Okayama University
Start Page 133
End Page 147
ISSN 0030-1566
NCID AA00723502
Content Type Journal Article
language English
Copyright Holders Copyright ©2025 by the Editorial Board of Mathematical Journal of Okayama University
FullText URL mjou_067_101_131.pdf
Author Ohmoto, Toyokazu|
Abstract An alternating sign matrix (ASM for short) is a square matrix which consists of 0, 1 and −1. In this paper, we characterize an ASM by showing a bijection between alternating sign matrix and six vertex model, and a bijection between six vertex model and height function. In order to show these bijections, we define a triplet (ai,j , ci,j , ri,j) for each entry of an ASM. We also define a track for each index of height function, and state more properties of height function.
Keywords Alternating sign matrix six vertex model height function
Published Date 2025-01
Publication Title Mathematical Journal of Okayama University
Volume volume67
Issue issue1
Publisher Department of Mathematics, Faculty of Science, Okayama University
Start Page 101
End Page 131
ISSN 0030-1566
NCID AA00723502
Content Type Journal Article
language English
Copyright Holders Copyright ©2025 by the Editorial Board of Mathematical Journal of Okayama University