IRITANI Osamu

Researcher Profile & Settings

Research

Overview of research:
Geriatrics, Circulation

Education

• Kanazawa Medical University Faculty of Medicine

Degree

• Ph.D in Medicine

Research Activities

Published Papers

• Reply to comment on “Unexpected decline in glycated hemoglobin level after emergency COVID‐19 measures in three robust older Japanese women with prediabetes/mild type 2 diabetes”, Tazuo Okuno, Osamu Iritani, Kumie Kodera,Daisuke Hama, Asami Kane, Kozue Morigaki,Toshio Terai, Norie Maeno, Shigeto Morimoto, Geriatrics & Gerontology International, 22:541-542, Jul. 2022
• Unexpected decline in glycated hemoglobin level after emergency COVID-19 measures in three robust older Japanese women with prediabetes/mild type-2 diabetes, Tazuo Okuno, Osamu Iritani, Kumie Kodera, Daisuke Hama, Asami Kane, Kozue Morigaki,Toshio Terai, Norie Maeno, Shigeto Morimoto, Geriatrics & Gerontology International, 22:457-458, May 2022
• Transient obstruction of the transverse colon caused by percutaneous endoscopic gastrostomy: A case report, Kazu Hamada, Junnosuke Tateishi, Shigeru Sugiki,Taishi Ishisaka, Yuta Igarashi, Kumie Kodera, Tazuo Okuno, Takuro Morita, Tarou Himeno,Hiroshi Yano, Toshihiro Higashikawa,Osamu Iritani, Kunimitsu Iwai,Shigeto Morimoto, Masashi Okuro, Geriatrics & Gerontology International, 21:865-866, Sep. 2021
• A Case of Refractory Esophageal Ulcer Caused by Radiotherapy for Hepatocellular Carcinoma, Kazu Hamada, Tohru Itoh, Ken Kawaura, Hiroaki Kuno, Junji Kamai, Rika Kobayasi,Sadahumi Azukisawa, Hidekazu Kitakata, Taishi Ishisaka, Yuta Igarashi, Kumie Kodera, Tazuo Okuno, Takuro Morita, Tarou Himeno, Hiroshi Yano, Toshihiro Higashikawa, Osamu Iritani, Kunimitsu Iwai, Shigeto Morimoto, Munetaka Matoba, Masashi Okuro, World Journal of Oncology, 12:67-72, Jun. 2021
• A Case of Secondary Rectal Intramural Hematoma Triggered by Aspiration for Endoscopic Mucosal Resection, Kazu Hamada, Tohru Itoh, Ken Kawaura, Hiroaki Kuno, Junji Kamai, Rika Kobayasi,Sadahumi Azukisawa, Hidekazu Kitakata, Yuta Igarashi, Kumie Kodera, Tazuo Okuno,Takuro Morita, Hiroshi Yano, Toshihiro Higashikawa, Osamu Iritani, Kunimitsu Iwai, Shigeto Morimoto, Masashi Okuro, Gastroenterology Medicine & Research, 5:471-474, Apr. 2021
• Examination of Endoscopic Ultrasonographic Diagnosis for the Depth of Early Gastric Cancer, Kazu Hamada, Tohru Itoh, Ken Kawaura, Hidekazu Kitakata, Hiroaki Kuno, Junji Kamai, Rika Kobayasi, Sadahumi Azukisawa, Taishi Ishisaka, Yuta Igarashi, Kumie Kodera, Tazuo Okuno, Takuro Morita, Taroh Himeno, Hiroshi Yano, Toshihiro Higashikawa, Osamu Iritani, Kunimitsu Iwai, Shigeto Morimoto, Masashi Okuro, Journal of Clinical Medicine Research, 13:222-229, Apr. 2021
• Olfactory-cognitive index distinguishes involvement of frontal lobe shrinkage, as in sarcopenia from shrinkage of medial temporal areas, and global brain, as in Kihon Checklist frailty/dependence, in older adults with progression of normal cognition to Alzheimer's disease, Osamu Iritani, Tazuo Okuno, Takaki Miwa, Hyuma Makizako, Fumino Okutani, Tetsuo Kashibayashi, Kumiko Suzuki, Hideo Hara, Eri Mori, Shusaku Omoto, Hirokazu Suzuki, Minori Shibata, Hiroaki Adachi, Kenji Kondo, Yumi Umeda-Kameyama, Kumie Kodera, Shigeto Morimoto , Geriatrics & Gerontology International, 21:291-298, Mar. 2021
• Clusters of COVID-19 in long-term care hospitals and facilities in Japan from 16 January to 9 May 2020, Osamu Iritani, Tazuo Okuno, Daisuke Hama, Asami Kane, Kumie Kodera, Kozue Morigaki, Toshio Terai, Norie Maeno, Shigeto Morimoto, Geriatrics & Gerontology International, 20:715-719, Jul. 2020
• Relationship Between Blood Pressure Levels on Admission and the Onset of Acute Pneumonia in Elderly Patients With Cerebral Hemorrhage, Taishi Ishisaka, Yuta Igarashi, Kumie Kodera, Tazuo Okuno, Takuro Morita, Taroh Himeno, Kazu Hamada, Hiroshi Yano, Toshihiro Higashikawa, Osamu Iritani, Kunimitsu Iwai, Shigeto Morimoto, Masashi Okuro, Journal of Clinical Medicine Research, 12:693-698, 2020
• Relationship Between Gastroesophageal Reflux Disease and Endoscopic Finding "lodine-Unstained Streak", Kazu Hamada, Tohru Itoh, Ken Kawaura, Hidekazu Kitakata, Hiroaki Kuno, Junji Kamai, Rika Kobayasi, Sadahumi Azukisawa, Taishi Ishisaka, Yuta Igarashi, Kumie Kodera, Tazuo Okuno, Takuro Morita, Taroh Himeno, Hiroshi Yano, Toshihiro Higashikawa, Osamu Iritani, Kunimitsu Iwai, Shigeto Morimoto, Masashi Okuro, Journal of Clinical Medicine Research, 12:699-704, 2020
• Non-participation in health checkup and Kihon Checklist predicts loss of certification-free survival in community-dwelling older adults., Igarashi Y, Okuno T, Kodera K, Iritani O, Hamazaki Y, Himeno T, Yano H, Okuro M, Morita T, Morimoto S, Geriatrics & Gerontology International, 19:1206-1214, Dec. 2019
• Association of olfactory impairment with indexes of sarcopenia and frailty in community-dwelling older adults, Harita M, Miwa T, Shiga H, Yamada K, Sugiyama E, Okabe Y, Miyake Y, Okuno T, Iritani O, Morimoto S, Geriatrics & Gerontology International, 19:384-391, May 2019
• Development of the Dementia Assessment Sheet for Community-based Integrated Care System 8-items, a short version of the Dementia Assessment Sheet for Community-based Integrated Care System 21-items, for the assessment of cognitive and daily functions, Toyoshima, Kenji;Araki, Atsushi;Tamura, Yoshiaki;Iritani, Osamu;Ogawa, Sumito;Kozaki, Koichi;Ebihara, Satoru;Hanyu, Haruo;Arai, Hiroyuki;Kuzuya, Masafumi;Iijima, Katsuya;Sakurai, Takashi;Suzuki, Takao;Toba, Kenji;Arai, Hidenori;Akishita, Masahiro;Rakugi, Hiromi;Yokote, Koutaro;Ito, Hideki;Awata, Shuichi, Geriatrics & Gerontology International, 18:1458-1462, Oct. 2018
  DOI:10.1111/ggi.13512
• Comorbidity of chronic kidney disease, diabetes and lower glycated hemoglobin predicts support/care-need certification in community-dwelling older adults., Watanabe Keisuke;Okuro Masashi;Okuno Tazuo;Iritani Osamu;Yano Hiroshi;Himeno Taroh;Morita Takuro;Igarashi Yuta;Nakahashi Takeshi;Morimoto Shigeto, Geriatrics & Gerontology International, 18:521-529, Apr. 2018
  DOI:10.1111/ggi.13211
• Range in systolic blood pressure and care-needs certification in long-term care insurance in community-dwelling older patients with chronic kidney disease., Himeno Taroh;Okuno Tazuo;Watanabe Keisuke;Nakajima Kumie;Iritani Osamu;Yano Hiroshi;Morita Takuro;Igarashi Yuta;Okuro Masashi;Morimoto Shigeto, JOURNAL OF INTERNATIONAL MEDICAL RESEARCH, 46:293-306, Jan. 2018
  DOI:10.1177/0300060517721795
• Glycemic control and disability-free survival in hypoglycemic agent-treated community-dwelling older patients with type 2 diabetes mellitus., Morita Takuro;Okuno Tazuo;Himeno Taroh;Watanabe Keisuke;Nakajima Kumie;Koizumi Yumi;Yano Hiroshi;Iritani Osamu;Okuro Masashi;Morimoto Shigeto, Geriatrics & gerontology international, 17:1858-1865, Feb. 2017
  DOI:10.1111/ggi.12975
• Major electrocardiographic abnormality predicts support/care-need certification and/or death in community-dwelling older adults with no history of cardiovascular disease., Okuno Tazuo;Watanabe Keisuke;Nakajima Kumie;Iritani Osamu;Yano Hiroshi;Morita Takuro;Himeno Taroh;Igarashi Yuta;Okuro Masashi;Morimoto Shigeto, Geriatrics & gerontology international, 17:1967-1976, 2017
  DOI:10.1111/ggi.13002
• Blood pressure and disability-free survival among community-dwelling diabetic and non-diabetic elderly patients receiving antihypertensive treatment, T.Higashikawa, Y.Hamazaki, O.Iritani, T.Morita, T.Himeno, T.Okuno, H.Yano, K.Watanabe, M.Okuro, T.Kanda, S.Morimoto, Geriatrics Gerontology International, 16:365-373, Feb. 2015
• Association between blood pressure and disability-free survival among community-dwelling elderly patients receiving antihypertensive treatment, O.Iritani, Y.Koizumi, Y.Hamazaki, H.Yano, T.Morita, T.Himeno, T.Okuno, M.Okuro, K.Iwai, S.Morimoto, Hypertension research : official journal of the Japanese Society of Hypertension., 37:772-778, Mar. 2014
• Association between hypertension status and the screening test for frailty in elderly community-dwelling Japanise, Y.Koizumi, Y.Hamazaki, M.Okuro, O.Iritani, H.Yano, T.Higashikawa, K.Iwai, S.Morimoto, Hypertension research : official journal of the Japanese Society of Hypertension., 36:639-644, Feb. 2013
• Association between human metapneumovirus seroprevalence and hypertension in elderly subjects in a long-term care facility, L.Zeng, R.Chen, K.Ishigami, M.Atsumi, Y.Koizumi, K.Sato, O.Iritani, M.Okuro, S.Morimoto, Hypertension research : official journal of the Japanese Society of Hypertension., 34:474-478, Jan. 2011
• Increased level of LDL cholesterol in elderly patients with acute ischemic stroke associated with severe hypertension, M.Atsumi, Y.Koizumi, K.Ishigami, K.Satoh, O.Iritani, M.Okuro, S.Morimoto, 35:166-171, Dec. 2010
• Orthogeriatric co-management at a regional core hospital as a new multidisciplinary approach in Japanese hip fracture operation, Toshihiro Higashikawa, Kenji Shigemoto, Manabu Moriyama, Daisuke Usuda, Masahiro Hangyou, Hiromi Inujima, Kakeru Nozaki, Miyako Yamaguchi, Kimiko Usuda, Osamu Iritani, Shigeto Morimoro, Takeshi Horii, Takeshi Nakahashi, Tadami Matsumoto, Toga Hirohisa, Shigeki Takashima, Tsugiyasu Kanda, Masashi Okuro, Takeshi Sawaguchi, Journal of Orthopaedic Science, doi: 10.1016/j.jos.2022.11.002.:S0949-2658(22)00314-1, Nov. 2022