Faculty Profiles - NAITOU Hiromichi

Papers - NAITOU Hiromichi

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ヘリウムガス吸入による心停止蘇生後に脳死下臓器提供に至った一例

神野駿太, 湯本哲也, 本郷貴識, 小原隆史, 野島剛, 上田浩平, 小崎吉訓, 塚原紘平, 内藤宏道, 中尾篤典

日本救急医学会雑誌 35 ( 11 ) 782 - 782 2024.11

心停止のエピソードがあった症例の脳死下および心停止下臓器提供 ECPRの有無による比較

湯本哲也, 塚原紘平, 小原隆史, 本郷貴識, 野島剛, 内藤宏道, 中尾篤典

日本救急医学会雑誌 35 ( 11 ) 781 - 781 2024.11

心肺蘇生を望まない意思表示のある院外心停止患者対応の実態と今後の展望

田邉綾, 本郷貴識, 小原隆史, 野島剛, 上田浩平, 稲葉基高, 小崎吉訓, 塚原紘平, 湯本哲也, 内藤宏道, 中尾篤典

日本救急医学会雑誌 35 ( 11 ) 752 - 752 2024.11

オール岡山での搬送困難事例を減らすための取り組み高齢者施設における急変時等相談対応事業を開始して

湯本哲也, 田邉綾, 本郷貴識, 小原隆史, 小崎吉訓, 野島剛, 上田浩平, 飯田淳義, 塚原紘平, 内藤宏道, 中尾篤典

日本救急医学会雑誌 35 ( 11 ) 688 - 688 2024.11

敗血症患者における来院時血中COHbの意義についての検証

福留将真, 湯本哲也, 薬師寺泰匡, 本郷貴識, 小原隆史, 小崎吉訓, 野島剛, 上田浩平, 塚原紘平, 内藤宏道, 中尾篤典

日本救急医学会雑誌 35 ( 11 ) 645 - 645 2024.11

いざ、多臓器不全に立ち向かえ!最新の基礎研究を眺めてみよう治療的医療ガスのクリティカルケア領域への応用

湯本哲也, 青景聡之, 小原隆史, 上田浩平, 野島剛, 内藤宏道, 中尾篤典

日本救急医学会雑誌 35 ( 11 ) 613 - 613 2024.11

脳死下臓器提供のプロセスに関する包括的研究多機関共同後ろ向き研究J-RESPECT studyより

湯本哲也, 内藤宏道, 塚原紘平, 小原隆史, 本郷貴識, 早川峰司, 横堀將司, 西山慶, 渥美生弘, 田崎修, 中尾篤典

日本救急医学会雑誌 35 ( 11 ) 666 - 666 2024.11

Prevalence and Management of Oral Intake Restrictions in Critically Ill Patients: Insights from a Multicenter Point Prevalence Study. Reviewed International journal

Takashi Hongo, Tetsuya Yumoto, Keibun Liu, Kensuke Nakamura, Akira Kawauchi, Takefumi Tsunemitsu, Nobuto Nakanishi, Atsunori Nakao, Hiromichi Naito

Dysphagia 2024.10

Authorship：Last author Language：English Publishing type：Research paper (scientific journal)

Oral intake restrictions due to dysphagia in the intensive care unit (ICU) can increase morbidity, mortality, and negatively impact quality of life. The current oral intake practice and clinical management strategies for addressing dysphagia in the ICU are not well-defined. This study aimed to elucidate the clinical practices surrounding oral intake restrictions due to dysphagia and its management strategies in the ICU. A multicenter, prospective, cross-sectional, 2-day point prevalence study was conducted in Japan. Relevant data on the clinical circumstances surrounding oral intake practice and the implementation of strategies to prevent dysphagia for patients admitted to the ICU on November 1, 2023, and December 1, 2023, were collected. The primary outcome was the prevalence of oral intake restrictions in patients, defined by a Functional Oral Intake Scale score of less than 7 among eligible patients for oral intake. Out of 326 participants, 187 were eligible for the final analysis after excluding 139 patients who were not eligible for oral intake, primarily due to tracheal intubation. Among those eligible, 69.0% (129/187) encountered oral intake restrictions. About 52.4% (98/187) of patients underwent swallowing screenings; 36.7% (36/98) of these were suspected of having dysphagia. Compensatory and behavioral swallowing rehabilitation were provided to 21.9% (41/187) and 10.6% (20/187) of patients, respectively, from ICU admission to the survey date. Only 27.4% (14/51) of post-extubation and 9.3% (3/32) of post-stroke patients received swallowing rehabilitation. Notably, no ICUs had dedicated speech and language therapists, and most (85.7%, 18/21) lacked established swallowing rehabilitation protocols. This 2-point prevalence survey study revealed that oral intake restrictions due to dysphagia are common in ICUs, but few patients are screened for swallowing issues or receive rehabilitation. More clinical studies are needed to develop effective protocols for identifying and managing dysphagia, including screenings and rehabilitation in the ICU.

DOI： 10.1007/s00455-024-10772-5

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A nationwide longitudinal survey of infantile injury and its recurrence in Japan. Reviewed International journal

Tomohiro Hiraoka, Takafumi Obara, Naomi Matsumoto, Kohei Tsukahara, Takashi Hongo, Tsuyoshi Nojima, Masaki Hisamura, Tetsuya Yumoto, Atsunori Nakao, Takashi Yorifuji, Hiromichi Naito

Scientific reports 14 ( 1 ) 24716 - 24716 2024.10

Authorship：Last author Language：English Publishing type：Research paper (scientific journal)

Injury recurrence in young children is a significant public health concern, as it may indicate an unfavorable home environment. This study evaluates whether infantile injuries increase recurrence during preschool years, contributing to more effective prevention strategies for vulnerable families. The study included 20,191 children from "The Longitudinal Survey of Babies in the 21st Century," a representative sample of infants born in Japan between May 10 and 24, 2010. We conducted a logistic regression analysis to compare injury recurrence risk between children aged 18 months to seven years with and without infantile injury histories. The study revealed that infants with a history of injuries had a higher risk of subsequent hospital visits for injuries during preschool years (crude Odds Ratio (cOR) 1.52, 95% CI, 1.41-1.64, adjusted OR (aOR) 1.48, 95% CI 1.37-1.60). Specific injuries, such as falls (aOR 1.34, 95% CI, 1.26-1.43), pinches (aOR 1.22, 95% CI, 1.15-1.29), drowning (aOR 1.29, 95% CI, 1.19-1.40), ingestion (aOR 1.35, 95% CI, 1.17-1.55), and burns (aOR 1.47, 95% CI, 1.31-1.65), independently increased the risk of future injuries. Our findings highlight the necessity of universal safety measures in the home environment and targeted interventions for families with a history of high-risk injuries.

DOI： 10.1038/s41598-024-76403-z

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Management of Obesity Hypoventilation Syndrome in Extreme Obesity: A Case Study. Reviewed International journal

Yuya Miyoshi, Tetsuya Yumoto, Yoshinori Kosaki, Takashi Hongo, Kohei Tsukahara, Atsunori Nakao, Hiromichi Naito

The American journal of case reports 25 e945112 2024.10

Authorship：Last author Language：English Publishing type：Research paper (scientific journal)

BACKGROUND Obesity hypoventilation syndrome (OHS) is characterized by hypercapnia in obese patients, with acute hypercapnic respiratory failure often worsened by various conditions. Managing super-super obese patients presents complex challenges in critical care. Our case report details the successful treatment of acute respiratory failure in a patient with a body mass index (BMI) over 80 kg/m², highlighting the importance of comprehensive, multidisciplinary care in the Intensive Care Init (ICU). CASE REPORT A 39-year-old man with a BMI of 81.1 kg/m² presented to our emergency department with respiratory distress, altered consciousness, and an inability to move independently. Arterial blood gas analysis revealed severe hypercapnia and hypoxemia, indicating decompensated OHS. Laboratory tests and computed tomography scans suggested his condition was exacerbated by pneumonia and congestive heart failure. The patient was managed in the ICU with endotracheal intubation, mechanical ventilation, and esophageal pressure monitoring. In addition to antibiotics, diuretics were used to manage fluid balance. His care included multidisciplinary support with nutritional management and active physiotherapy. After 15 days, he was weaned from the ventilator and discharged from the ICU on day 20, continuing rehabilitation until he was discharged home on day 60. CONCLUSIONS This case report describes the successful treatment of acute hypercapnic respiratory failure from decompensated OHS in a super-super obese patient. Addressing the underlying conditions and tailoring clinical practices to the patient's specific needs, especially regarding ventilatory support, fluid balance, and nutrition, were crucial. A collaborative multidisciplinary approach was essential for improving outcomes.

DOI： 10.12659/AJCR.945112

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Reply to: The gray-white matter ratio in adult out-of-hospital cardiac arrest patients must be assessed comprehensively. Invited Reviewed International journal

Takashi Hongo, Hiromichi Naito, Tetsuya Yumoto, Atsunori Nakao

Resuscitation 110383 - 110383 2024.9

Association between signs of life and survival in traumatic cardiac arrest patients: A nationwide, retrospective cohort study. Reviewed International journal

Takafumi Obara, Tetsuya Yumoto, Naofumi Bunya, Tsuyoshi Nojima, Tomohiro Hiraoka, Takashi Hongo, Yoshinori Kosaki, Kohei Tsukahara, Takenori Uehara, Atsunori Nakao, Hiromichi Naito

Resuscitation plus 19 100701 - 100701 2024.9

Authorship：Last author,　Corresponding author Language：English Publishing type：Research paper (scientific journal)

BACKGROUND: The clinical impact of signs of life (SOLs) in traumatic cardiac arrest (TCA) remains to be elucidated. The aim of this study was to examine the association between SOLs and survival/neurological outcomes in TCA patients. METHODS: Retrospective data from the Japan Trauma Data Bank (2019-2021) was reviewed. TCA patients were assigned to one of two study groups based on the presence or absence of SOLs and compared. SOLs were defined as having at least one of following criteria: pulseless electrical activity >40 beats per minute, gasping, positive light reflex, or extremity/eye movement at hospital arrival. The primary outcome was survival at hospital discharge. The secondary outcome was favorable neurological status (Glasgow Outcome Scale score of 4 or 5) at hospital discharge. RESULTS: A total of 1,981 patients (114 with SOLs and 1,867 without SOLs) were included. Characteristics of patients were as follows: age (median age 60.0 years old [interquartile range: 41-80] years vs. 55.4 [38-75] years), gender (male: 76/114 (66.7%) vs. 1,207/1,867 (65.0%), blunt trauma (90/111 [81.1%] vs. 1,559/1,844 [84.5%]), Injury Severity Score (29.2 [22-41] vs. 27.9 [20-34]). Patients with SOLs showed higher survival (10/114 (8.8%) vs. 25/1,867 (1.3%), OR 1.96 [CI 1.20-2.72]) and higher favorable neurological outcomes (4/110 (3.5%) vs. 6/1,865 (0.3%), OR 2.42 [CI 1.14-3.70]) compared with patients without SOLs. CONCLUSIONS: TCA patients with SOLs at hospital arrival showed higher survival and favorable neurological outcomes at hospital discharge compared with TCA patients without SOLs.

DOI： 10.1016/j.resplu.2024.100701

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Prognostic value of grey-white matter ratio obtained within two hours after return of spontaneous circulation in out-of-hospital cardiac arrest survivors: A multicenter, observational study. Reviewed International journal

Yuya Murakami, Takashi Hongo, Tetsuya Yumoto, Yoshinori Kosaki, Atsuyoshi Iida, Hiroki Maeyama, Fumiya Inoue, Toshihisa Ichiba, Atsunori Nakao, Hiromichi Naito

Resuscitation plus 19 100746 - 100746 2024.9

Authorship：Last author,　Corresponding author Language：English Publishing type：Research paper (scientific journal)

BACKGROUND: Grey-white matter ratio (GWR) measured by head computed tomography (CT) scan is known as a neurological prognostication tool for out-of-hospital cardiac arrest (OHCA) survivors. The prognostic value of GWR obtained early (within two hours after return of spontaneous circulation [ROSC]) remains a matter of debate. METHODS: We conducted a multicenter, retrospective, observational study at five hospitals. We included adult OHCA survivors who underwent head CT within two hours following ROSC. GWR values were measured using head CT. Average GWR values were calculated by the mean of the GWR-basal ganglia and GWR-Cerebrum. We divided the patients into poor or favorable neurological outcome groups defined by Glasgow-Pittsburgh Cerebral Performance Category scores. The predictive accuracy of GWR performance was assessed using the area under the curve (AUC). The sensitivities and specificities for predicting poor outcome were examined. RESULTS: Of 377 eligible patients, 281 (74.5%) showed poor neurological outcomes at one month after ROSC. Average GWR values of the poor neurological outcome group were significantly lower than those of the favorable neurological outcome. The average GWR value to predict neurological outcome with Youden index was 1.24 with AUC of 0.799. When average GWR values were 1.15 or lower, poor neurological outcomes could be predicted with 100% specificity. CONCLUSIONS: GWR values measured by head CT scans early (within two hours after ROSC) demonstrated moderate predictive performance for overall ROSC patients. When limited to the patients with GWR values of 1.15 or lower, poor neurological outcomes could be predicted with high specificity.

DOI： 10.1016/j.resplu.2024.100746

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私(僕)の臨床研究、興味ありませんか? 救急集中治療の現場で臨床医が取り組む「小児」のデータベース研究の可能性

小原隆史, 内藤宏道, 塚原紘平, 本郷貴識, 野島剛, 湯本哲也, 中尾篤典

日本集中治療医学会雑誌 31 ( Suppl.1 ) S485 - S485 2024.9

移植医療における診療連携(術前、術後管理/集中治療) 岡山大学病院での脳死下臓器提供のプロセスにおける連携と取り組み救急集中治療の立場から

湯本哲也, 小原隆史, 塚原紘平, 内藤宏道, 中尾篤典

移植 59 ( 総会臨時 ) 148 - 148 2024.9

臓器提供支援事業の現状と課題岡山県の臓器提供施設連携体制構築事業

内藤宏道, 塚原紘平, 湯本哲也, 本郷貴織, 小崎吉訓, 小原隆史, 野島剛, 上田浩平, 飯田淳義, 久村正樹, 安田和広, 中尾篤典

移植 59 ( 総会臨時 ) 231 - 231 2024.9

ドナー管理における臓器保護に関する取り組み小児のドナー管理における多臓器不全の経時的変化単施設後方視的観察研究

小原隆史, 塚原紘平, 湯本哲也, 内藤宏道, 中尾篤典

移植 59 ( 総会臨時 ) 233 - 233 2024.9

筋肉量評価の最新ノウハウ!多職種チームがICUのカラダを測り尽くす PCAS管理中の側頭筋の萎縮

本郷貴識, 村上勇也, 劉啓文, 松岡綾華, 土手尚, 三池慧, 上田浩平, 湯本哲也, 内藤宏道, 中尾篤典

日本集中治療医学会雑誌 31 ( Suppl.1 ) S443 - S443 2024.9

臓器提供支援事業の現状と課題岡山県の臓器提供施設連携体制構築事業

内藤宏道, 塚原紘平, 湯本哲也, 本郷貴織, 小崎吉訓, 小原隆史, 野島剛, 上田浩平, 飯田淳義, 久村正樹, 安田和広, 中尾篤典

移植 59 ( 総会臨時 ) 231 - 231 2024.9

私(僕)の臨床研究、興味ありませんか? 救急集中治療の現場で臨床医が取り組む「小児」のデータベース研究の可能性

小原隆史, 内藤宏道, 塚原紘平, 本郷貴識, 野島剛, 湯本哲也, 中尾篤典

日本集中治療医学会雑誌 31 ( Suppl.1 ) S485 - S485 2024.9

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Papers - NAITOU Hiromichi