Nakao, Atsunori - OU Author List - OKAYAMA UNIVERSITY SCIENTIFIC ACHIEVEMENT REPOSITORY

Organ Donation after Extracorporeal Cardiopulmonary Resuscitation: Clinical and Ethical Perspectives

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

Association of emergency intensive care unit occupancy due to brain-dead organ donors with ambulance diversion

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

Association of blood carboxyhemoglobin levels with mortality and neurological outcomes in out-of-hospital cardiac arrest

FullText URL	fulltext.pdf
Author	Hongo, Takashi\| Yumoto, Tetsuya\| Naito, Hiromichi\| Hiraoka, Tomohiro\| Murakami, Yuya\| Obara, Takafumi\| Nojima, Tsuyoshi\| Aokage, Toshiyuki\| Nakao, Atsunori\|
Keywords	brain injury carbon monoxide carboxyhemoglobin cardiac arrest resuscitation
Published Date	2025-03-23
Publication Title	Acute Medicine & Surgery
Volume	volume12
Issue	issue1
Publisher	Wiley
Start Page	e70053
ISSN	2052-8817
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© 2025 The Author(s).
File Version	publisher
PubMed ID	40130086
DOI	10.1002/ams2.70053
Web of Science KeyUT	001450042700001
Related Url	isVersionOf https://doi.org/10.1002/ams2.70053

Age-specific assessment of initial hemoglobin levels and shock index for predicting life-saving interventions in pediatric blunt liver and spleen injuries

FullText URL	fulltext.pdf
Author	Yumoto, Tetsuya\| Obara, Takafumi\| Hongo, Takashi\| Iida, Atsuyoshi\| Tsukahara, Kohei\| Katsura, Morihiro\| Kondo, Yutaka\| Yasuda, Hideto\| Kushimoto, Shigeki\| Yorifuji, Takashi\| Naito, Hiromichi\| Nakao, Atsunori\| SHIPPs Study Group\|
Keywords	Abdominal injuries Blood transfusions Hemoglobin Hemostasis Shock index
Published Date	2025-03-12
Publication Title	Scientific Reports
Volume	volume15
Issue	issue1
Publisher	Nature Portfolio
Start Page	8502
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	40074821
DOI	10.1038/s41598-025-92673-7
Web of Science KeyUT	001443941100009
Related Url	isVersionOf https://doi.org/10.1038/s41598-025-92673-7

Undetermined Ruptured Low-Grade Appendiceal Mucinous Neoplasm Following High-Energy Blunt Abdominal Trauma Requiring Emergency Laparotomy

FullText URL	fulltext.pdf
Author	Matsuo, Ippei\| Yumoto, Tetsuya\| Tsuji, Akari\| Tanabe, Ryo\| Matsumura, Toshihisa\| Shimabara, Mikoto\| Akai, Masaaki\| Takagi, Shoji\| Naito, Hiromichi\| Nakao, Atsunori\|
Keywords	abdominal injuries appendiceal neoplasms computed tomography mucinous pseudomyxoma peritonei
Published Date	2025-01-02
Publication Title	Clinical Case Reports
Volume	volume13
Issue	issue1
Publisher	Wiley
Start Page	e70071
ISSN	2050-0904
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© 2025 The Author(s).
File Version	publisher
PubMed ID	39759185
DOI	10.1002/ccr3.70071
Web of Science KeyUT	001388215700001
Related Url	isVersionOf https://doi.org/10.1002/ccr3.70071

Characteristics and outcomes of subarachnoid hemorrhage from vertebral artery dissection: A comparative study with other non-traumatic etiologies

FullText URL	fulltext.pdf
Author	Oshita, Shu\| Yumoto, Tetsuya\| Jinno, Shunta\| Matsuo, Ippei\| Hongo, Takashi\| Naito, Hiromichi\| Hiramatsu, Masafumi\| Haruma, Jun\| Sugiu, Kenji\| Tanaka, Shota\| Nakao, Atsunori\|
Keywords	headache intracranial aneurysm prodromal symptoms subarachnoid hemorrhage vertebral artery dissection
Published Date	2024-12-26
Publication Title	Acute Medicine & Surgery
Volume	volume11
Issue	issue1
Publisher	Wiley
Start Page	e70031
ISSN	2052-8817
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© 2024 by the authors.
File Version	publisher
PubMed ID	39726641
DOI	10.1002/ams2.70031
Web of Science KeyUT	001384855300001
Related Url	isVersionOf https://doi.org/10.1002/ams2.70031

A nationwide longitudinal survey of infantile injury and its recurrence in Japan

FullText URL	fulltext.pdf
Author	Hiraoka, Tomohiro\| Obara, Takafumi\| Matsumoto, Naomi\| Tsukahara, Kohei\| Hongo, Takashi\| Nojima, Tsuyoshi\| Hisamura, Masaki\| Yumoto, Tetsuya\| Nakao, Atsunori\| Yorifuji, Takashi\| Naito, Hiromichi\|
Keywords	Retrospective cohort study Injury recurrence Injury prevention
Note	The version of record of this article, first published in Scientific Reports, is available online at Publisher’s website: http://dx.doi.org/10.1038/s41598-024-76403-z\|
Published Date	2024-10-21
Publication Title	Scientific Reports
Volume	volume14
Issue	issue1
Publisher	Nature Portfolio
Start Page	24716
ISSN	2045-2322
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© The Author(s) 2024
File Version	publisher
PubMed ID	39433855
DOI	10.1038/s41598-024-76403-z
Web of Science KeyUT	001339991400047
Related Url	isVersionOf https://doi.org/10.1038/s41598-024-76403-z

Evolution and Effects of Ad Hoc Multidisciplinary Team Meetings in the Emergency Intensive Care Unit: A Five-Year Analysis

FullText URL	fulltext.pdf
Author	Yumoto, Tetsuya\| Hongo, Takashi\| Obara, Takafumi\| Ageta, Kohei\| Aokage, Toshiyuki\| Tsukahara, Kohei\| Nakao, Atsunori\| Naito, Hiromichi\|
Keywords	clinical conference end-of-life care ICU rounds multidisciplinary team meetings
Published Date	2024-07-24
Publication Title	Journal of Clinical Medicine
Volume	volume13
Issue	issue15
Publisher	MDPI
Start Page	4324
ISSN	2077-0383
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© 2024 by the authors.
File Version	publisher
PubMed ID	39124591
DOI	10.3390/jcm13154324
Web of Science KeyUT	001287177900001
Related Url	isVersionOf https://doi.org/10.3390/jcm13154324

Organ donation after extracorporeal cardiopulmonary resuscitation: a nationwide retrospective cohort study

FullText URL	fulltext.pdf
Author	Yumoto, Tetsuya\| Tsukahara, Kohei\| Obara, Takafumi\| Hongo, Takashi\| Nojima, Tsuyoshi\| Naito, Hiromichi\| Nakao, Atsunori\|
Keywords	Brain death Cardiopulmonary resuscitation Extracorporeal membrane oxygenation Organ transplantation Out-of-hospital cardiac arrest Tissue and organ procurement
Note	The version of record of this article, first published in Critical Care, is available online at Publisher’s website: http://dx.doi.org/10.1186/s13054-024-04949-5\|
Published Date	2024-05-13
Publication Title	Critical Care
Volume	volume28
Issue	issue1
Publisher	BMC
Start Page	160
ISSN	1364-8535
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© The Author(s) 2024.
File Version	publisher
PubMed ID	38741176
DOI	10.1186/s13054-024-04949-5
Web of Science KeyUT	001221675100001
Related Url	isVersionOf https://doi.org/10.1186/s13054-024-04949-5

Long-term, patient-centered, frailty-based outcomes of older critical illness survivors from the emergency department: a post hoc analysis of the LIFE Study

FullText URL	fulltext.pdf
Author	Hongo, Takashi\| Yumoto, Tetsuya\| Inaba, Mototaka\| Taito, Shunsuke\| Yorifuji, Takashi\| Nakao, Atsunori\| Naito, Hiromichi\| the LIFE Study Investigators\|
Keywords	ADL Clinical frailty scale Critical illness Emergency department Intensive care QOL
Note	The version of record of this article, first published in BMC Geriatrics, is available online at Publisher’s website: http://dx.doi.org/10.1186/s12877-024-04881-x\|
Published Date	2024-03-15
Publication Title	BMC Geriatrics
Volume	volume24
Issue	issue1
Publisher	BMC
Start Page	257
ISSN	1471-2318
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© The Author(s) 2024.
File Version	publisher
PubMed ID	38491464
DOI	10.1186/s12877-024-04881-x
Web of Science KeyUT	001185879700001
Related Url	isVersionOf https://doi.org/10.1186/s12877-024-04881-x

Assessing the efficacy of simulation-based education for paramedics in extended focused assessment with sonography for trauma under physician guidance

FullText URL	fulltext.pdf
Author	Ohira, Akiko\| Maki, Jota\| Ageta, Kohei\| Nakato, Hikari\| Oba, Hikaru\| Mitoma, Tomohiro\| Mishima, Sakurako\| Tani, Kazumasa\| Kirino, Satoe\| Eto, Eriko\| Nakao, Atsunori\| Masuyama, Hisashi\|
Keywords	Simulation-based education Ultrasound Paramedics FAST
Note	The version of record of this article, first published in Scientific Reports, is available online at Publisher’s website: http://dx.doi.org/10.1038/s41598-024-54779-2\|
Published Date	2024-02-20
Publication Title	Scientific Reports
Volume	volume14
Issue	issue1
Publisher	Nature Portfolio
Start Page	4190
ISSN	2045-2322
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© The Author(s) 2024
File Version	publisher
PubMed ID	38378769
DOI	10.1038/s41598-024-54779-2
Web of Science KeyUT	001173675500048
Related Url	isVersionOf https://doi.org/10.1038/s41598-024-54779-2

Schmorl's Node Found with Acute Lower Back Pain

FullText URL	fulltext.pdf
Author	Aoshima, Kenji\| Obara, Takafumi\| Nojima, Tsuyoshi\| Nakao, Atsunori\|
Keywords	Schmorl's node acute back pain intravertebral disc herniations
Published Date	2024-03-01
Publication Title	Internal Medicine
Volume	volume63
Issue	issue5
Publisher	Japanese Society of Internal Medicine
Start Page	759
End Page	760
ISSN	0918-2918
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© 2024 The Japanese Society of Internal Medicine
File Version	publisher
PubMed ID	37407455
DOI	10.2169/internalmedicine.2203-23
Web of Science KeyUT	001179795300001
Related Url	isVersionOf https://doi.org/10.2169/internalmedicine.2203-23

Hydrogen in Transplantation: Potential Applications and Therapeutic Implications

FullText URL	fulltext.pdf
Author	Obara, Takafumi\| Naito, Hiromichi\| Nojima, Tsuyoshi\| Hirayama, Takahiro\| Hongo, Takashi\| Ageta, Kohei\| Aokage, Toshiyuki\| Hisamura, Masaki\| Yumoto, Tetsuya\| Nakao, Atsunori\|
Keywords	hydrogen organ transplantation ischemia reperfusion
Published Date	2024-01-06
Publication Title	Biomedicines
Volume	volume12
Issue	issue1
Publisher	MDPI
Start Page	118
ISSN	2227-9059
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© 2024 by the authors.
File Version	publisher
PubMed ID	38255223
DOI	10.3390/biomedicines12010118
Web of Science KeyUT	001149475800001
Related Url	isVersionOf https://doi.org/10.3390/biomedicines12010118

Association of initial lactate levels and red blood cell transfusion strategy with outcomes after severe trauma: a post hoc analysis of the RESTRIC trial

FullText URL	fulltext20240115-02.pdf
Author	Kosaki, Yoshinori\| Hongo, Takashi\| Hayakawa, Mineji\| Kudo, Daisuke\| Kushimoto, Shigeki\| Tagami, Takashi\| Naito, Hiromichi\| Nakao, Atsunori\| Yumoto, Tetsuya\|
Keywords	Blood transfusion Erythrocytes Hemoglobin Lactate Trauma
Note	The version of record of this article, first published in World Journal of Emergency Surgery, is available online at Publisher’s website: http://dx.doi.org/10.1186/s13017-023-00530-7\|
Published Date	2024-01-02
Publication Title	World Journal of Emergency Surgery
Volume	volume19
Issue	issue1
Publisher	Springer Science and Business Media LLC
Start Page	1
ISSN	1749-7922
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© The Author(s) 2023.
File Version	publisher
PubMed ID	38167057
DOI	10.1186/s13017-023-00530-7
Web of Science KeyUT	001135198700001
Related Url	isVersionOf https://doi.org/10.1186/s13017-023-00530-7

Treatment patterns and clinician stress related to care of out-of-hospital cardiac arrest patients with a do not attempt resuscitation order

FullText URL	fulltext.pdf
Author	Tanabe, Ryo\| Hongo, Takashi\| Obara, Takafumi\| Nojima, Tsuyoshi\| Nakao, Atsunori\| Elmer, Jonathan\| Naito, Hiromichi\| Yumoto, Tetsuya\|
Keywords	Do not attempt resuscitation Out-of-hospital cardiac arrest Emergency department Clinicians Slow code Stress
Published Date	2023-12
Publication Title	Resuscitation Plus
Volume	volume16
Publisher	Elsevier
Start Page	100507
ISSN	2666-5204
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© 2023 The Author(s).
File Version	publisher
PubMed ID	38026140
DOI	10.1016/j.resplu.2023.100507
Web of Science KeyUT	001112320800001
Related Url	isVersionOf https://doi.org/10.1016/j.resplu.2023.100507

FullText URL	fulltext.pdf
Author	Inoue, Fumiya\| Hongo, Takashi\| Ichiba, Toshihisa\| Otani, Takayuki\| Naito, Hiroshi\| Kosaki, Yoshinori\| Murakami, Yuya\| Iida, Atsuyoshi\| Yumoto, Tetsuya\| Naito, Hiromichi\| Nakao, Atsunori\|
Keywords	Cardiac arrest Computed tomography Craniocerebral trauma Intracranial hemorrhage Out-of-hospital cardiac arrest
Published Date	2023-09-30
Publication Title	Resuscitation Plus
Volume	volume15
Publisher	Elsevier
Start Page	100418
ISSN	2666-5204
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© 2023 The Author(s).
File Version	publisher
PubMed ID	37416696
DOI	10.1016/j.resplu.2023.100418
Web of Science KeyUT	001038685400001
Related Url	isVersionOf https://doi.org/10.1016/j.resplu.2023.100418

Comparison of outcomes of out-of-hospital cardiac arrest patients: Emergency calls placed from mobile phones vs. landline phones

FullText URL	fulltext.pdf
Author	Nishimura, Takeshi\| Suga, Masafumi\| Hongo, Takashi\| Yumoto, Tetsuya\| Nakao, Atsunori\| Ishihara, Satoshi\| Naito, Hiromichi\|
Keywords	Cardiac arrest OHCA CPR
Published Date	2023-09
Publication Title	Resuscitation Plus
Volume	volume15
Publisher	Elsevier
Start Page	100434
ISSN	2666-5204
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© 2023 The Author(s).
File Version	publisher
PubMed ID	37583510
DOI	10.1016/j.resplu.2023.100434
Web of Science KeyUT	001054222600001
Related Url	isVersionOf https://doi.org/10.1016/j.resplu.2023.100434

Attenuation of pulmonary damage in aged lipopolysaccharide-induced inflammation mice through continuous 2 % hydrogen gas inhalation: A potential therapeutic strategy for geriatric inflammation and survival

FullText URL	fulltext.pdf
Author	Aokage, Toshiyuki\| Iketani, Masumi\| Seya, Mizuki\| Meng, Ying\| Ageta, Kohei\| Naito, Hiromichi\| Nakao, Atsunori\| Ohsawa, Ikuroh\|
Keywords	LPS-induced inflammation Elderly sepsis Lipopolysaccharide Aged mouse Senescence-related markers Molecular hydrogen Hydrogen gas inhalation
Published Date	2023-09
Publication Title	Experimental Gerontology
Volume	volume180
Publisher	Elsevier
Start Page	112270
ISSN	0531-5565
NCID	AA00641077
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© 2023 The Authors. Published by Elsevier Inc.
File Version	publisher
PubMed ID	37572992
DOI	10.1016/j.exger.2023.112270
Web of Science KeyUT	001060841100001
Related Url	isVersionOf https://doi.org/10.1016/j.exger.2023.112270

Radiation in an emergency situation: attempting to respect the patient's beliefs as reported by a minor

FullText URL	fulltext.pdf
Author	Yumoto, Tetsuya\| Hongo, Takashi\| Koide, Yasuhiro\| Obara, Takafumi\| Tsukahara, Kohei\| Naito, Hiromichi\| Nakao, Atsunori\|
Keywords	Emergency service Informed consent Radiation Treatment refusal
Note	The version of record of this article, first published in BMC Medical Ethics, is available online at Publisher’s website: http://dx.doi.org/10.1186/s12910-023-00962-5\|
Published Date	2023-10-04
Publication Title	BMC Medical Ethics
Volume	volume24
Issue	issue1
Publisher	BMC
Start Page	80
ISSN	1472-6939
Content Type	Journal Article
language	English
OAI-PMH Set	岡山大学
Copyright Holders	© The Author(s) 2023.
File Version	publisher
PubMed ID	37794408
DOI	10.1186/s12910-023-00962-5
Web of Science KeyUT	001080177500004
Related Url	isVersionOf https://doi.org/10.1186/s12910-023-00962-5

An Unusual Presentation of Chest Pain and Laryngeal Discomfort in a Pregnant Woman: A Case Report and Literature Review

JaLCDOI	10.18926/AMO/65755
FullText URL	77_4_429.pdf
Author	Sasanami, Misa\| Iida, Atsuyoshi\| Iwamuro, Masaya\| Hirai, Ryousuke\| Obara, Takashi\| Tsukahara, Kohei\| Yumoto, Tetsuya\| Naito, Hiromichi\| Nakao, Atsunori\|
Abstract	Intramural esophageal dissection (IED), characterized by bleeding into the submucosal space, leads to mucosal separation and dissection. The most prevalent symptoms are sudden chest or retrosternal pain, hematemesis, and dysphagia. Therefore, acute coronary syndrome and aortic dissection are among its most notable differential diagnoses. A 31-year-old pregnant woman presented with acute chest pain, laryngeal discomfort, and hematemesis. Emergency esophagogastroscopy revealed longitudinal mucosal dissection (upper esophagus to esophagogastric junction). The patient was successfully treated by avoiding the ingestion of solid foods. Clinicians should consider a diagnosis of IED for pregnant patients with acute chest pain, especially if hematemesis is present.
Keywords	chest pain dysphagia esophageal dissection hematemesis
Amo Type	Case Report
Publication Title	Acta Medica Okayama
Published Date	2023-08
Volume	volume77
Issue	issue4
Publisher	Okayama University Medical School
Start Page	429
End Page	431
ISSN	0386-300X
NCID	AA00508441
Content Type	Journal Article
language	English
Copyright Holders	Copyright Ⓒ 2023 by Okayama University Medical School
File Version	publisher
Refereed	True
PubMed ID	37635144
Web of Science KeyUT	001163659800012