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Akazawa Naoki  赤澤 直紀

ORCIDConnect your ORCID iD *help
Researcher Number 90789603
Affiliation (Current) 2025: 名古屋大学, 医学系研究科(保健), 講師
Affiliation (based on the past Project Information) *help 2023 – 2024: 名古屋大学, 医学系研究科(保健), 講師
2017 – 2022: 徳島文理大学, 保健福祉学部, 講師
Review Section/Research Field
Principal Investigator
Basic Section 59040:Nutrition science and health science-related / Rehabilitation science/Welfare engineering
Except Principal Investigator
Basic Section 59010:Rehabilitation science-related
Keywords
Principal Investigator
大腿四頭筋 / 高齢入院患者 / 筋内脂肪量 / 日常生活動作能力 / 予後 / 超音波 / 低栄養 / 嚥下 / 入院高齢患者 / 筋内脂肪 … More / 栄養状態 / 嚥下機能 / 歩行自立 / 筋量 … More
Except Principal Investigator
理学療法 / 慢性炎症 / 運動 Less
  • Research Projects

    (3 results)
  • Research Products

    (39 results)
  • Co-Researchers

    (4 People)
  •  理学療法の革新的展開に向けた慢性炎症を軸とする運動の万能性の解明

    • Principal Investigator
      森山 英樹
    • Project Period (FY)
      2023 – 2026
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Review Section
      Basic Section 59010:Rehabilitation science-related
    • Research Institution
      Kobe University
  •  筋内脂肪量の増大が予後に与える影響の解明:高齢入院患者での検討Principal Investigator

    • Principal Investigator
      赤澤 直紀
    • Project Period (FY)
      2020 – 2024
    • Research Category
      Grant-in-Aid for Early-Career Scientists
    • Review Section
      Basic Section 59040:Nutrition science and health science-related
    • Research Institution
      Nagoya University
      Tokushima Bunri University
  •  Clarification of features of the intramuscular adipose tissue in older inpatinetsPrincipal Investigator

    • Principal Investigator
      Akazawa Naoki
    • Project Period (FY)
      2017 – 2019
    • Research Category
      Grant-in-Aid for Young Scientists (B)
    • Research Field
      Rehabilitation science/Welfare engineering
    • Research Institution
      Tokushima Bunri University

All 2024 2023 2022 2021 2020 2019 2018

All Journal Article Presentation

  • [Journal Article] Increased intramuscular adipose tissue of the quadriceps at admission is more strongly related to activities of daily living recovery at discharge compared to muscle mass loss in older patients with aspiration pneumonia2024

    • Author(s)
      Akazawa Naoki、Funai Keita、Hino Toshikazu、Tsuji Ryota、Tamura Wataru、Tamura Kimiyuki、Hioka Akemi、Moriyama Hideki
    • Journal Title

      BMC Geriatrics

      Volume: 24 Issue: 1 Pages: 107-107

    • DOI

      10.1186/s12877-024-04718-7

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20K19661
  • [Journal Article] Increase in protein intake is related to decreasing intramuscular adipose tissue of the quadriceps in older inpatients: A longitudinal study2023

    • Author(s)
      Akazawa Naoki、Funai Keita、Hino Toshikazu、Tsuji Ryota、Tamura Wataru、Tamura Kimiyuki、Hioka Akemi、Moriyama Hideki
    • Journal Title

      Clinical Nutrition ESPEN

      Volume: 58 Pages: 136-143

    • DOI

      10.1016/j.clnesp.2023.09.922

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20K19661
  • [Journal Article] Longitudinal relationship between muscle mass and intramuscular adipose tissue of the quadriceps in older inpatients at different activities of daily living levels2023

    • Author(s)
      Akazawa Naoki、Kishi Masaki、Hino Toshikazu、Tsuji Ryota、Tamura Kimiyuki、Hioka Akemi、Moriyama Hideki
    • Journal Title

      Clinical Nutrition ESPEN

      Volume: 53 Pages: 175-181

    • DOI

      10.1016/j.clnesp.2022.12.018

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20K19661
  • [Journal Article] Greater intramuscular adipose tissue of the quadriceps in older inpatients at post-acute hospital admission is more strongly related to a low rate of home discharge than a loss of muscle mass2023

    • Author(s)
      Akazawa Naoki、Funai Keita、Hino Toshikazu、Tsuji Ryota、Tamura Wataru、Tamura Kimiyuki、Hioka Akemi、Moriyama Hideki
    • Journal Title

      Scientific Reports

      Volume: 13 Issue: 1 Pages: 10021-10021

    • DOI

      10.1038/s41598-023-37094-0

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20K19661
  • [Journal Article] Muscular Echo-Intensity of the Quadriceps by Ultrasound Is More Related to Improvement of Gait Independence than Muscle Thickness in Older Inpatients2023

    • Author(s)
      Akazawa Naoki、Kishi M.、Hino T.、Tsuji R.、Tamura K.、Hioka A.、Moriyama H.
    • Journal Title

      The journal of nutrition, health & aging

      Volume: 27 Issue: 2 Pages: 103-110

    • DOI

      10.1007/s12603-023-1880-6

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20K19661
  • [Journal Article] Nutritional and swallowing statuses but not intramuscular adipose tissue and muscle mass are related to activities of daily living in older inpatients who are judged as severely low body mass index in the Global Leadership Initiative on Malnutrition criteria2022

    • Author(s)
      Akazawa Naoki、Kishi Masaki、Hino Toshikazu、Tsuji Ryota、Tamura Kimiyuki、Hioka Akemi、Moriyama Hideki
    • Journal Title

      Clinical Nutrition ESPEN

      Volume: 49 Pages: 411-416

    • DOI

      10.1016/j.clnesp.2022.03.012

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20K19661
  • [Journal Article] Relationship between muscle mass and fraction of intramuscular adipose tissue of the quadriceps in older inpatients2022

    • Author(s)
      Akazawa Naoki、Kishi Masaki、Hino Toshikazu、Tsuji Ryota、Tamura Kimiyuki、Hioka Akemi、Moriyama Hideki
    • Journal Title

      PLOS ONE

      Volume: 17 Issue: 2 Pages: e0263973-e0263973

    • DOI

      10.1371/journal.pone.0263973

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-20K19661
  • [Journal Article] Accuracy of determining sarcopenia using SARC-CalF in community-dwelling older adults aged 75 years and older2022

    • Author(s)
      Ishimoto Taisei、Hisamatsu Ken、Matsudaira Nozomi、Fujimoto Takehiro、Yano Manoka、Hashimoto Risako、Hayashi Hikaru、Toyota Yoshio、Akazawa Naoki
    • Journal Title

      Clinical Nutrition ESPEN

      Volume: 52 Pages: 317-321

    • DOI

      10.1016/j.clnesp.2022.09.012

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20K19661
  • [Journal Article] Increase in muscle mass of the quadriceps is related to decrease in intramuscular adipose tissue in convalescent stroke patients: A longitudinal study2022

    • Author(s)
      Akazawa Naoki、Kishi Masaki、Hino Toshikazu、Tsuji Ryota、Tamura Kimiyuki、Hioka Akemi、Moriyama Hideki
    • Journal Title

      Clinical Nutrition ESPEN

      Volume: 51 Pages: 199-206

    • DOI

      10.1016/j.clnesp.2022.08.033

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20K19661
  • [Journal Article] The degree of recovery in swallowing ability in older inpatients with aspiration pneumonia is related to intramuscular adipose tissue of the quadriceps than to muscle mass2022

    • Author(s)
      Akazawa Naoki、Kishi Masaki、Hino Toshikazu、Tsuji Ryota、Tamura Kimiyuki、Hioka Akemi、Moriyama Hideki
    • Journal Title

      PLOS ONE

      Volume: 17 Issue: 10 Pages: e0275810-e0275810

    • DOI

      10.1371/journal.pone.0275810

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-20K19661
  • [Journal Article] Need for detailed analysis of quadriceps intramuscular adipose tissue and nutritional status2022

    • Author(s)
      Akazawa Naoki、Kishi Masaki、Hino Toshikazu、Tsuji Ryota、Tamura Kimiyuki、Hioka Akemi、Moriyama Hideki
    • Journal Title

      Clinical Nutrition

      Volume: 41 Issue: 12 Pages: 3124-3125

    • DOI

      10.1016/j.clnu.2022.10.014

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20K19661
  • [Journal Article] Higher Body Mass Index in Hospitalized Older Patients Is Related to Higher Muscle Quality2022

    • Author(s)
      Akazawa Naoki、Kishi M.、Hino T.、Tsuji R.、Tamura K.、Hioka A.、Moriyama H.
    • Journal Title

      The journal of nutrition, health & aging

      Volume: 26 Issue: 5 Pages: 495-500

    • DOI

      10.1007/s12603-022-1785-9

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20K19661
  • [Journal Article] Extracellular water-to-total body water ratio is an essential confounding factor in bioelectrical impedance analysis for sarcopenia diagnosis in women2022

    • Author(s)
      Hioka Akemi、Akazawa Naoki、Okawa Naomi、Nagahiro Shinji
    • Journal Title

      European Geriatric Medicine

      Volume: 13 Issue: 4 Pages: 789-794

    • DOI

      10.1007/s41999-022-00652-2

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20K19661
  • [Journal Article] Higher malnutrition risk in older inpatients who are referred to the department of rehabilitation is related to increase of intramuscular adipose tissue: A prospective study2022

    • Author(s)
      Akazawa Naoki、Kishi Masaki、Hino Toshikazu、Tsuji Ryota、Tamura Kimiyuki、Hioka Akemi、Moriyama Hideki
    • Journal Title

      Clinical Nutrition

      Volume: 41 Issue: 10 Pages: 2087-2093

    • DOI

      10.1016/j.clnu.2022.08.010

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20K19661
  • [Journal Article] Intramuscular adipose tissue in the quadriceps is more strongly related to recovery of activities of daily living than muscle mass in older inpatients2021

    • Author(s)
      Akazawa Naoki、Kishi Masaki、Hino Toshikazu、Tsuji Ryota、Tamura Kimiyuki、Hioka Akemi、Moriyama Hideki
    • Journal Title

      Journal of Cachexia, Sarcopenia and Muscle

      Volume: 12 Issue: 4 Pages: 891-899

    • DOI

      10.1002/jcsm.12713

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-20K19661
  • [Journal Article] Increased intramuscular adipose tissue of the quadriceps is related to decreased activities of daily living in patients who have had a stroke2021

    • Author(s)
      Akazawa Naoki、Kishi Masaki、Hino Toshikazu、Tsuji Ryota、Tamura Kimiyuki、Hioka Akemi、Moriyama Hideki
    • Journal Title

      Nutrition

      Volume: 90 Pages: 111277-111277

    • DOI

      10.1016/j.nut.2021.111277

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20K19661
  • [Journal Article] Increased intramuscular adipose tissue of the quadriceps is more strongly related to declines in ADL than is loss of muscle mass in older inpatients2021

    • Author(s)
      Akazawa Naoki、Kishi Masaki、Hino Toshikazu、Tsuji Ryota、Tamura Kimiyuki、Moriyama Hideki
    • Journal Title

      Clinical Nutrition

      Volume: 40 Issue: 3 Pages: 1381-1387

    • DOI

      10.1016/j.clnu.2020.08.029

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20K19661
  • [Journal Article] Intramuscular adipose tissue of the quadriceps is more strongly related to recovery of swallowing ability than is muscle mass in older inpatients: A prospective study2021

    • Author(s)
      Akazawa Naoki、Kishi Masaki、Hino Toshikazu、Tsuji Ryota、Tamura Kimiyuki、Hioka Akemi、Moriyama Hideki
    • Journal Title

      Nutrition

      Volume: 91-92 Pages: 111364-111364

    • DOI

      10.1016/j.nut.2021.111364

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20K19661
  • [Journal Article] Using GLIM criteria, cutoff value for low BMI in Asian populations discriminates high or low muscle mass: A cross-sectional study2021

    • Author(s)
      Akazawa Naoki、Kishi Masaki、Hino Toshikazu、Tsuji Ryota、Tamura Kimiyuki、Moriyama Hideki
    • Journal Title

      Nutrition

      Volume: 81 Pages: 110928-110928

    • DOI

      10.1016/j.nut.2020.110928

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20K19661
  • [Journal Article] Longitudinal relationship between intramuscular adipose tissue of the quadriceps and activities of daily living in older inpatients2021

    • Author(s)
      Akazawa Naoki、Kishi Masaki、Hino Toshikazu、Tsuji Ryota、Tamura Kimiyuki、Hioka Akemi、Moriyama Hideki
    • Journal Title

      Journal of Cachexia, Sarcopenia and Muscle

      Volume: 12 Issue: 6 Pages: 2231-2237

    • DOI

      10.1002/jcsm.12842

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-20K19661
  • [Journal Article] Greater Quadriceps Muscle Mass at Post-Acute Care Admission is Associated with Better Swallowing Ability at Discharge among Adults with Stroke2021

    • Author(s)
      Akazawa Naoki、Kishi Masaki、Hino Toshikazu、Tsuji Ryota、Tamura Kimiyuki、Hioka Akemi、Moriyama Hideki
    • Journal Title

      Journal of the American Medical Directors Association

      Volume: 22 Issue: 12 Pages: 2486-2490

    • DOI

      10.1016/j.jamda.2021.04.019

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20K19661
  • [Journal Article] Increased total body extracellular-to-intracellular water ratio in community-dwelling elderly women is associated with decreased handgrip strength and gait speed2021

    • Author(s)
      Hioka Akemi、Akazawa Naoki、Okawa Naomi、Nagahiro Shinji
    • Journal Title

      Nutrition

      Volume: 86 Pages: 111175-111175

    • DOI

      10.1016/j.nut.2021.111175

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20K19661
  • [Journal Article] Quantitative features of intramuscular adipose tissue of the quadriceps and their association with gait independence in older inpatients: A cross-sectional study2020

    • Author(s)
      Akazawa Naoki, Okawa Naomi, Kishi Masaki, Hino Toshikazu, Tsuji Ryota, Tamura Kimiyuki, Moriyama Hideki
    • Journal Title

      Nutrition

      Volume: 71 Pages: 110600-110600

    • DOI

      10.1016/j.nut.2019.110600

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17K18294, KAKENHI-PROJECT-20K19661
  • [Journal Article] Longitudinal Relationship Between Intramuscular Fat in the Quadriceps and Gait Independence in Convalescent Stroke Patients2020

    • Author(s)
      Ishimoto Taisei、Taniguchi Yusuke、Akazawa Naoki
    • Journal Title

      Journal of Stroke and Cerebrovascular Diseases

      Volume: 29 Issue: 11 Pages: 105287-105287

    • DOI

      10.1016/j.jstrokecerebrovasdis.2020.105287

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20K19661
  • [Journal Article] Relationship Between Aging and Intramuscular Adipose Tissue in Older Inpatients2020

    • Author(s)
      Akazawa Naoki、Kishi Masaki、Hino Toshikazu、Tsuji Ryota、Tamura Kimiyuki、Hioka Akemi、Moriyama Hideki
    • Journal Title

      Journal of the American Medical Directors Association

      Volume: in press Issue: 6 Pages: 1287-1291.e1

    • DOI

      10.1016/j.jamda.2020.09.017

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20K19661
  • [Journal Article] Changes in Quadriceps Thickness and Echo Intensity in Chronic Stroke Survivors: A 3-Year Longitudinal Study2020

    • Author(s)
      Akazawa N, Harada K, Okawa N, Kishi M, Tamura K, Moriyama H
    • Journal Title

      Journal of stroke and cerebrovascular diseases

      Volume: 30 Issue: 3 Pages: 105543-105543

    • DOI

      10.1016/j.jstrokecerebrovasdis.2020.105543

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-19K10570, KAKENHI-PROJECT-20K19661
  • [Journal Article] Change in Intramuscular Fat in the Quadriceps of Stroke Patients in a Convalescent Rehabilitation Ward: A Case Report2019

    • Author(s)
      石本泰星, 泊麻美, 赤澤直紀
    • Journal Title

      Rigakuryoho Kagaku

      Volume: 34 Issue: 1 Pages: 135-141

    • DOI

      10.1589/rika.34.135

    • NAID

      130007604443

    • ISSN
      1341-1667, 2434-2807
    • Language
      Japanese
    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-17K18294
  • [Journal Article] Higher malnutrition risk is related to increased intramuscular adipose tissue of the quadriceps in older inpatients: A cross-sectional study2019

    • Author(s)
      Akazawa Naoki, Okawa Naomi, Hino Toshikazu, Tsuji Ryota, Tamura Kimiyuki, Moriyama Hideki
    • Journal Title

      Clinical Nutrition

      Volume: - Issue: 8 Pages: 2586-2592

    • DOI

      10.1016/j.clnu.2019.11.028

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17K18294, KAKENHI-PROJECT-20K19661
  • [Journal Article] Dysphagia is more strongly associated with increased intramuscular adipose tissue of the quadriceps than with loss of muscle mass in older inpatients2019

    • Author(s)
      Akazawa Naoki、Okawa Naomi、Hino Toshikazu、Tsuji Ryota、Tamura Kimiyuki、Moriyama Hideki
    • Journal Title

      Nutrition Research

      Volume: 65 Pages: 71-78

    • DOI

      10.1016/j.nutres.2019.02.006

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17K18294
  • [Journal Article] Low body mass index negatively affects muscle mass and intramuscular fat of chronic stroke survivors2019

    • Author(s)
      Akazawa Naoki、Harada Kazuhiro、Okawa Naomi、Tamura Kimiyuki、Moriyama Hideki
    • Journal Title

      PLOS ONE

      Volume: 14 Issue: 1 Pages: 1-12

    • DOI

      10.1371/journal.pone.0211145

    • NAID

      120006552888

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17K18294, KAKENHI-PROJECT-16K09193
  • [Journal Article] Muscle mass and intramuscular fat of the quadriceps are related to muscle strength in non-ambulatory chronic stroke survivors: A cross-sectional study2018

    • Author(s)
      Akazawa Naoki、Harada Kazuhiro、Okawa Naomi、Tamura Kimiyuki、Moriyama Hideki
    • Journal Title

      PLOS ONE

      Volume: 13 Issue: 8 Pages: 1-11

    • DOI

      10.1371/journal.pone.0201789

    • NAID

      120006502535

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17K18294, KAKENHI-PROJECT-16K09193
  • [Presentation] 地域在住高齢女性の筋質と身体機能との関連2021

    • Author(s)
      日岡明美 , 赤澤直紀 , 大川直美 , 藤倉順子 , 永廣信治
    • Organizer
      第4回徳島県地域包括ケアシステム学会学術集会
    • Data Source
      KAKENHI-PROJECT-20K19661
  • [Presentation] 回復期リハビリテーション病棟患者における大腿四頭筋の筋内脂肪量の減少は歩行自立度の改善に関連する2019

    • Author(s)
      貴志 将紀, 大川直美, 日野斗史和, 田村公之, 赤澤直紀
    • Organizer
      回復期リハビリテーション病棟協会 第33回研究大会 in 舞浜・千葉
    • Data Source
      KAKENHI-PROJECT-17K18294
  • [Presentation] 高齢入院患者の大腿四頭筋における筋内脂肪量の増大は筋量の減少よりも歩行自立度の低下に関連する2019

    • Author(s)
      南勇臣, 田中正道, 貴志将紀, 田村公之, 森義雄, 赤澤直紀
    • Organizer
      リハビリテーション・ケア合同研究大会 金沢2019
    • Data Source
      KAKENHI-PROJECT-17K18294
  • [Presentation] 回復期リハビリテーション病棟脳卒中患者の大腿四頭筋における筋内脂肪量の縦断的変化2019

    • Author(s)
      石本泰星, 室家将紀, 谷口裕亮, 兵谷源八, 赤澤直紀
    • Organizer
      第17回日本神経理学療法学会学術大会
    • Data Source
      KAKENHI-PROJECT-17K18294
  • [Presentation] Changes in quadriceps thickness and echo intensity in chronic stroke survivors: A 3-year longitudinal study2019

    • Author(s)
      Naoki Akazawa, Kazuhiro Harada, Naomi Okawa, Kimiyuki Tamura, Hideki Moriyama
    • Organizer
      13th International Society of Physical and Rehabilitation Medicine
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-17K18294
  • [Presentation] 回復期リハビリテーション病棟における下腿切断患者の大腿部筋量と筋内脂肪量の量的特徴と経時的変化2019

    • Author(s)
      日野斗史和, 大川直美, 貴志将紀, 田村公之, 赤澤直紀
    • Organizer
      回復期リハビリテーション病棟協会 第33回研究大会 in 舞浜・千葉
    • Data Source
      KAKENHI-PROJECT-17K18294
  • [Presentation] 回復期リハビリテーション病棟運動器疾患患者における骨格筋指数変化量に関連する要因の検討2018

    • Author(s)
      石本泰星, 谷口裕亮, 赤澤直紀, 兵谷源八
    • Organizer
      第5回日本予防理学療法学会学術大会
    • Data Source
      KAKENHI-PROJECT-17K18294
  • [Presentation] 高齢入院患者の増大した大腿四頭筋の筋内脂肪量は嚥下障害と関連する2018

    • Author(s)
      辻 涼太, 大川直美, 貴志将紀, 日野斗史和, 田村公之, 赤澤直紀
    • Organizer
      第23回和歌山県病院協会学術大会
    • Data Source
      KAKENHI-PROJECT-17K18294
  • 1.  森山 英樹 (10438111)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 2.  小澤 淳也 (00435059)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 3.  高村 大祐 (50974896)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 4.  HARADA Kazuhiro
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 1 results

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