FullText URL fulltext.pdf
Author Obara, Takafumi| Nojima, Tsuyoshi| Matsumoto, Naomi| Tsukahara, Kohei| Hongo, Takashi| Yumoto, Tetsuya| Yorifuji, Takashi| Nakao, Atsunori| Naito, Hiromichi|
Keywords Drowning Out-of-hospital cardiac arrest Cardiopulmo naryresuscitation Child Asphyxia
Published Date 2026-08
Publication Title Resuscitation
Volume volume225
Publisher Elsevier BV
Start Page 111049
ISSN 0300-9572
NCID AA00817253
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders ©2026 The Author(s).
File Version publisher
PubMed ID 41819340
DOI 10.1016/j.resuscitation.2026.111049
Web of Science KeyUT 001808362200001
Related Url isVersionOf https://doi.org/10.1016/j.resuscitation.2026.111049
JaLCDOI 10.18926/AMO/70854
FullText URL 80_3_185.pdf
Author Kubo, Takuya| Tsukahara, Kohei| Hongo, Takashi| Obara, Takafumi| Kosaki, Yoshinori| Nojima, Tsuyoshi| Yumoto, Tetsuya| Naito, Hiromichi| Nakao, Atsunori|
Abstract Women are less likely than men to receive timely defibrillation during out-of-hospital cardiac arrest. We investigated whether using a simulator that is visually modified to resemble a female affects learners’ attitudes, knowledge, and performance in basic life support (BLS) training. In a BLS simulation training, first-year medical students (n=220) used a standard gender-neutral simulator (control group) or a modified simulator with a female-like appearance (intervention group). Pre- and post-training questionnaires concerning attitudes and knowledge plus a post-training skills evaluation assessed the students’ training outcomes. The intervention group initiated chest compressions significantly faster than the control group (33.1 vs. 39.8 sec, p<0.01) and achieved a significantly higher rate of correct AED pad placement (64.2% vs. 38.5%, p<0.01). While performing the resuscitation on the female-appearing manikin, the intervention group showed significantly greater increases in self-efficacy (p<0.01) and larger decreases in discomfort about removing the patient’s clothes (p<0.01). They were also significantly more likely to recognize that chest compressions can be performed (p=0.016) and AED pads can be applied (p=0.015) without removing the patient’s underwear. Using a female-appearing simulator in BLS training was thus associated with faster chest compression initiation, more accurate AED pad placement, and improved gender-sensitive attitudes and knowledge.
Keywords resuscitation basic life support female simulator medical education gender bias
Amo Type Original Article
Publication Title Acta Medica Okayama
Published Date 2026-06
Volume volume80
Issue issue3
Publisher Okayama University Medical School
Start Page 185
End Page 193
ISSN 0386-300X
NCID AA00508441
Content Type Journal Article
language English
Copyright Holders Copyright Ⓒ 2026 by Okayama University Medical School
File Version publisher
Refereed True
PubMed ID 42374751
Web of Science KeyUT 001812989700004
FullText URL fulltext.pdf
Author Tokioka, Kohei| Nojima, Tsuyoshi| Hirayama, Takahiro| Hongo, Takashi| Obara, Takafumi| Ageta, Kohei| Igawa, Takuro| Aokage, Toshiyuki| Tsukahara, Kohei| Yumoto, Tetsuya| Naito, Hiromichi| Nakao, Atsunori|
Published Date 2026-07
Publication Title Surgery
Volume volume195
Publisher Elsevier BV
Start Page 110231
ISSN 0039-6060
NCID AA00853880
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders © 2026 The Authors.
File Version publisher
PubMed ID 42114235
DOI 10.1016/j.surg.2026.110231
Web of Science KeyUT 001768042400001
Related Url isVersionOf https://doi.org/10.1016/j.surg.2026.110231
FullText URL fulltext.pdf
Author Yumoto, Tetsuya| Naito, Hiromichi| Hayakawa, Mineji| Yokobori, Shoji| Nishiyama, Kei| Atsumi, Takahiro| Tasaki, Osamu| Tsurukiri, Junya| Hayamizu, Mariko| Murahashi, Shimon| Hayashi, Munehiro| Nishimura, Takeshi| Goto, Yukari| Narumiya, Hiromichi| Mizutani, Atsushi| Miyajima, Mamoru| Shimazaki, Junya| Miura, Takeshi| Shima, Nozomu| Deuchi, Kazuki| Nakayasu, Hitomi| Kano, Hitoshi| Yorifuji, Takashi| Nakao, Atsunori| Japan Comprehensive Process for End-of-Life Care and Organ Donation after Brain Death (J-RESPECT) study group|
Keywords brain death critical illness decision-making organ transplantation patient care
Published Date 2026-03-26
Publication Title Critical Care Medicine
Volume volume54
Issue issue6
Publisher Ovid Technologies (Wolters Kluwer Health)
Start Page 1319
End Page 1328
ISSN 0090-3493
NCID AA00620383
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders © 2026 The Author(s).
File Version publisher
PubMed ID 41885543
DOI 10.1097/ccm.0000000000007120
Web of Science KeyUT 001782520500025
Related Url isVersionOf https://doi.org/10.1097/ccm.0000000000007120
FullText URL fulltext.pdf
Author Umeda, Takehide| Hongo, Takashi| Inaba, Mototaka| Naito, Hiromichi| Ariyasu, Yoshinori| Yorifuji, Takashi|
Keywords frailty respiration tracheostomy critical care outcomes aged
Published Date 2026
Publication Title JMA Journal
Volume volume9
Issue issue3
Publisher Japan Medical Association
Start Page 643
End Page 650
ISSN 2433-3298
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders © Japan Medical Association
File Version publisher
PubMed ID 42266805
DOI 10.31662/jmaj.2025-0455
Web of Science KeyUT 001720539900001
Related Url isVersionOf https://doi.org/10.31662/jmaj.2025-0455
FullText URL fulltext.pdf
Author Matsumoto, Naomi| Yamamura, Yuka| Uraguchi, Kensuke| Obara, Takafumi| Naito, Hiromichi| Yorifuji, Takashi|
Keywords Time-stratified Case-crossover study Thermal stress Fever-associated seizures Universal Thermal Climate Index (UTCI) Climate change Pediatric emergency
Published Date 2026-03
Publication Title International Journal of Biometeorology
Volume volume70
Issue issue3
Publisher Springer Science and Business Media LLC
Start Page 86
ISSN 0020-7128
NCID AA00679987
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders © The Author(s) 2026
File Version publisher
PubMed ID 41784651
DOI 10.1007/s00484-026-03146-z
Web of Science KeyUT 001712219200002
Related Url isVersionOf https://doi.org/10.1007/s00484-026-03146-z
JaLCDOI 10.18926/AMO/70458
FullText URL 80_2_153.pdf
Author Ueda, Yoshiyuki| Yumoto, Tetsuya| Hongo, Takashi| Obara, Takafumi| Nojima, Tsuyoshi| Tsukahara, Kohei| Hasegawa, Kosei| Futagawa, Natsuko| Naito, Hiromichi| Nakao, Atsunori|
Abstract Adrenal crisis is a life-threatening endocrine emergency that can progress within hours despite a prior diagnosis and maintenance therapy. We describe a fatal influenza-triggered adrenal crisis in two patients: a child with panhypopituitarism and an adult with prior pituitary surgery, both presenting in cardiac arrest. Despite resuscitation and intravenous hydrocortisone, a fatal hypoxic-ischemic injury or multiorgan failure occurred. These cases highlight the fulminant course of an adrenal crisis and underscore the importance of early recognition, clinician awareness, prompt parenteral hydrocortisone administration, and reinforcement of education for patients, caregivers, and healthcare providers to improve preparedness and prevent avoidable deaths.
Keywords adrenal insufficiency cardiac arrest hydrocortisone influenza shock
Amo Type Case Report
Publication Title Acta Medica Okayama
Published Date 2026-04
Volume volume80
Issue issue2
Publisher Okayama University Medical School
Start Page 153
End Page 157
ISSN 0386-300X
NCID AA00508441
Content Type Journal Article
language English
Copyright Holders Copyright Ⓒ 2026 by Okayama University Medical School
File Version publisher
Refereed True
PubMed ID 42025437
Web of Science KeyUT 001761342100009
FullText URL fulltext.pdf
Author Yumoto, Tetsuya| Obara, Takafumi| Naito, Hiromichi| Nakao, Atsunori|
Keywords carbon monoxide gastrointestinal tract gut hydrogen hydrogen sulfide sepsis septic shock
Published Date 2026-01-28
Publication Title Biomolecules
Volume volume16
Issue issue2
Publisher MDPI AG
Start Page 199
ISSN 2218-273X
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders © 2026 by the authors.
File Version publisher
PubMed ID 41750271
DOI 10.3390/biom16020199
Web of Science KeyUT 001700627500001
Related Url isVersionOf https://doi.org/10.3390/biom16020199
FullText URL fulltext.pdf
Author Hongo, Takashi| Kosaki, Yoshinori| Yumoto, Tetsuya| Nishikimi, Mitsuaki| Ohshimo, Shinichiro| Shime, Nobuaki| Nakao, Atsunori| Naito, Hiromichi|
Keywords acute respiratory distress syndrome extracorporeal membrane oxygenation mechanical ventilation respiratory therapy weaning
Published Date 2026-02
Publication Title Critical Care Explorations
Volume volume8
Issue issue2
Publisher Ovid Technologies (Wolters Kluwer Health)
Start Page e1375
ISSN 2639-8028
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders © 2026 The Authors.
File Version publisher
PubMed ID 41642671
DOI 10.1097/cce.0000000000001375
Web of Science KeyUT 001681791800001
Related Url isVersionOf https://doi.org/10.1097/cce.0000000000001375
FullText URL fulltext.pdf
Author Yamamura, Yuka| Hongo, Takashi| Yumoto, Tetsuya| Sasai, Fumiya| Tokioka, Kohei| Obara, Takafumi| Nojima, Tsuyoshi| Kanda, Jun| Yokobori, Shoji| Naito, Hiromichi| Yorifuji, Takashi| Nakao, Atsunori|
Keywords Wet-Bulb Globe Temperature Heat stroke Heat related illness Global warming
Published Date 2026-01-05
Publication Title International Journal of Emergency Medicine
Volume volume19
Issue issue1
Publisher Springer Science and Business Media LLC
Start Page 11
ISSN 1865-1380
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders © The Author(s) 2025.
File Version publisher
PubMed ID 41491406
DOI 10.1186/s12245-025-01112-x
Web of Science KeyUT 001663188000001
Related Url isVersionOf https://doi.org/10.1186/s12245-025-01112-x
FullText URL fulltext.pdf
Author Miyoshi, Yuya| Yumoto, Tetsuya| Hongo, Takashi| Obara, Takafumi| Nojima, Tsuyoshi| Naito, Hiromichi| Nakao, Atsunori|
Keywords carbon monoxide carboxyhemoglobin heme oxygenase hypothermia sepsis
Published Date 2025-11-27
Publication Title Cureus
Volume volume17
Issue issue11
Publisher Springer Science and Business Media LLC
Start Page e97962
ISSN 2168-8184
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders © Copyright 2025 Miyoshi et al.
File Version publisher
PubMed ID 41458777
DOI 10.7759/cureus.97962
Related Url isVersionOf https://doi.org/10.7759/cureus.97962
FullText URL fulltext.pdf
Author Ueda, Yoshiyuki| Nojima, Tsuyoshi| Obara, Takafumi| Hongo, Takashi| Yumoto, Tetsuya| Tsukahara, Kohei| Yorifuji, Takashi| Nakao, Atsunori| Naito, Hiromichi|
Keywords Cardiac arrest Cardiopulmonary resuscitation Cerebral hemorrhage Stroke Subarachnoid hemorrhage
Published Date 2025-11
Publication Title Resuscitation Plus
Volume volume26
Publisher Elsevier BV
Start Page 101145
ISSN 2666-5204
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders © 2025 The Author(s).
File Version publisher
PubMed ID 41312446
DOI 10.1016/j.resplu.2025.101145
Web of Science KeyUT 001619366500001
Related Url isVersionOf https://doi.org/10.1016/j.resplu.2025.101145
FullText URL fulltext.pdf
Author Hirata, Yuichi| Kin, Kyohei| Nagase, Takayuki| Sasaki, Tatsuya| Sasada, Susumu| Sugahara, Chiaki| Hirayama, Takahiro| Kawai, Koji| Tanimoto, Shun| Miyake, Hayato| Saijo, Tomoya| Naito, Hiromichi| Masai, Kaori| Yasuhara, Takao| Tanaka, Shota|
Keywords Concussion Return to play Sports-related head injury Microglia Astrocyte Tauopathy
Published Date 2025-11-18
Publication Title Scientific Reports
Volume volume15
Issue issue1
Publisher Springer Science and Business Media LLC
Start Page 40522
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 41254121
DOI 10.1038/s41598-025-24376-y
Web of Science KeyUT 001618576200030
Related Url isVersionOf https://doi.org/10.1038/s41598-025-24376-y
FullText URL fulltext.pdf
Author Seya, Mizuki| Aokage, Toshiyuki| Meng, Ying| Hirayama, Takahiro| Obara, Takafumi| Nojima, Tsuyoshi| Yoshinori, Kosaki| Yumoto, Tetsuya| Watanabe, Akihiro| Yamada, Taihei| Naito, Hiromichi| Nakao, Atsunori|
Keywords Intestinal ischemia-reperfusion injury Molecular hydrogen Hydrogen gas therapy Caco-2 cells Mitochondrial function Hypoxia-inducible factor-1α (HIF1α)
Published Date 2025-10
Publication Title Biochemical and Biophysical Research Communications
Volume volume786
Publisher Elsevier BV
Start Page 152753
ISSN 0006-291X
NCID AA00564395
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders © 2025 The Authors.
File Version publisher
PubMed ID 41043278
DOI 10.1016/j.bbrc.2025.152753
Web of Science KeyUT 001588631300004
Related Url isVersionOf https://doi.org/10.1016/j.bbrc.2025.152753
FullText URL fulltext.pdf
Author Jinno, Shunta| Hongo, Takashi| Obara, Takafumi| Nojima, Tsuyoshi| Tsukahara, Kohei| Yumoto, Tetsuya| Naito, Hiromichi| Nakao, Atsunori|
Keywords brain death heart arrest helium
Published Date 2025-04-28
Publication Title JMA Journal
Volume volume8
Issue issue2
Publisher Japan Medical Association
Start Page 650
End Page 653
ISSN 2433-3298
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders © Japan Medical Association
File Version publisher
PubMed ID 40416025
DOI 10.31662/jmaj.2024-0395
Web of Science KeyUT 001450822700001
Related Url isVersionOf https://doi.org/10.31662/jmaj.2024-0395
FullText URL fulltext.pdf
Author Kubo, Takuya| Yumoto, Tetsuya| Hagiya, Hideharu| Iio, Koji| Naito, Hiromichi| Nakao, Atsunori|
Keywords Blood culture Critically ill Septic shock Tattooing Toxic shock syndrome
Published Date 2025-10-01
Publication Title International Journal of Emergency Medicine
Volume volume18
Issue issue1
Publisher Springer Science and Business Media LLC
Start Page 185
ISSN 1865-1380
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders © The Author(s) 2025.
File Version publisher
PubMed ID 41034788
DOI 10.1186/s12245-025-00993-2
Web of Science KeyUT 001586543500001
Related Url isVersionOf https://doi.org/10.1186/s12245-025-00993-2
FullText URL fulltext.pdf
Author Obara, Takafumi| Naito, Hiromichi| Matsumoto, Naomi| Tsukahara, Kohei| Hongo, Takashi| Nojima, Tsuyoshi| Yumoto, Tetsuya| Yorifuji, Takashi| Nakao, Atsunori|
Keywords Cardiopulmonary resuscitation Out-of-hospital Pediatrics Artificial respiration COVID-19 pandemic
Published Date 2025-10
Publication Title Resuscitation
Volume volume215
Publisher Elsevier BV
Start Page 110706
ISSN 0300-9572
NCID AA00817253
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders © 2025 The Author(s).
File Version publisher
PubMed ID 40619060
DOI 10.1016/j.resuscitation.2025.110706
Web of Science KeyUT 001534174600001
Related Url isVersionOf https://doi.org/10.1016/j.resuscitation.2025.110706
FullText URL fulltext.pdf
Author Hongo, Takashi| Yumoto, Tetsuya| Nojima, Tsuyoshi| Obara, Takafumi| Ueda, Yoshiyuki| Yorifuji, Takashi| Nakao, Atsunori| Naito, Hiromichi|
Keywords Post-cardiac arrest syndrome Cardiac arrest ECPR Patient outcome assessment Prognostication Venoarterial ECMO
Published Date 2025-09
Publication Title Resuscitation Plus
Volume volume25
Publisher Elsevier BV
Start Page 101057
ISSN 2666-5204
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders © 2025 The Author(s).
File Version publisher
PubMed ID 40978708
DOI 10.1016/j.resplu.2025.101057
Web of Science KeyUT 001561245500001
Related Url isVersionOf https://doi.org/10.1016/j.resplu.2025.101057
FullText URL fulltext.pdf
Author Naito, Hiromichi| Nishikimi, Mitsuaki| Okada, Yohei| Maeyama, Hiroki| Kiguchi, Takeyuki| Yorifuji, Takashi| Nishida, Kazuki| Matsui, Shigeyuki| Kuroda, Yasuhiro| Nishiyama, Kei| Iwami, Taku| Nakao, Atsunori| JAAM R-CAST OHCA Trial Group|
Published Date 2025-08
Publication Title BMJ Open
Volume volume15
Issue issue8
Publisher BMJ
Start Page e101809
ISSN 2044-6055
Content Type Journal Article
language English
OAI-PMH Set 岡山大学
Copyright Holders © Author(s) (or their employer(s)) 2025.
File Version publisher
PubMed ID 40846339
DOI 10.1136/bmjopen-2025-101809
Web of Science KeyUT 001559038200001
Related Url isVersionOf https://doi.org/10.1136/bmjopen-2025-101809
JaLCDOI 10.18926/AMO/69147
FullText URL 79_4_221.pdf
Author Yumoto, Tetsuya| Naito, Hiromichi| Hongo, Takashi| Obara, Takafumi| Kosaki, Yoshinori| Ageta, Kohei| Nojima, Tsuyoshi| Tsukahara, Kohei| Nakao, Atsunori|
Abstract Extracorporeal cardiopulmonary resuscitation (ECPR) has evolved into a life-saving therapy for select cardiac arrest patients, yet a growing body of evidence suggests it also holds promise as a bridge to organ donation in non-survivors. This review explores the clinical outcomes, ethical complexities, and evolving policies surrounding organ donation after ECPR. We summarize recent international and Japanese data demonstrating favorable graft function from ECPR donors, with the exception of lung transplantation. The ethical challenges — particularly those involving brain death determination on extracorporeal membrane oxygenation and adherence to the dead donor rule — are discussed in the context of Japan’s recent regulatory reforms. Additionally, we highlight the importance of structured end-of-life communication through multidisciplinary team meetings in facilitating ethically sound transitions from rescue efforts to donation pathways. Moving forward, improvements in donor management, standardized legal frameworks, and public and professional education are essential to optimizing the life-saving and life-giving potential of ECPR.
Keywords brain death end-of-life care ethical dilemmas extracorporeal cardiopulmonary resuscitation
Amo Type Review
Publication Title Acta Medica Okayama
Published Date 2025-08
Volume volume79
Issue issue4
Publisher Okayama University Medical School
Start Page 221
End Page 229
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
PubMed ID 40859438
Web of Science KeyUT 001566286400001