Department of Health Policy and Management

Research Output

2014

Predictors of repeated sick leave in the workplace because of mental disorders

Sado, M., Shirahase, J., Yoshimura, K., Miura, Y., Yamamoto, K., Tabuchi, H., Kato, M. & Mimura, M., 2014 Jan 29, In : Neuropsychiatric Disease and Treatment. 10, p. 193-200 8 p.

Research output: Contribution to journalArticle

10 Citations (Scopus)
2013

Cost of anxiety disorders in Japan in 2008: A prevalence-based approach

Sado, M., Takechi, S., Inagaki, A., Fujisawa, D., Koreki, A., Mimura, M. & Yoshimura, K., 2013 Dec 18, In : BMC Psychiatry. 13, 338.

Research output: Contribution to journalArticle

10 Citations (Scopus)

Nursing homes and end-of-life care in japan

Ikegami, N. & Ikezaki, S., 2013 Oct, In : Journal of the American Medical Directors Association. 14, 10, p. 718-723 6 p.

Research output: Contribution to journalReview article

11 Citations (Scopus)

The cost of schizophrenia in Japan

Sado, M., Inagaki, A., Koreki, A., Knapp, M., Kissane, L. A., Mimura, M. & Yoshimura, K., 2013 Jun 6, In : Neuropsychiatric Disease and Treatment. 9, p. 787-798 12 p.

Research output: Contribution to journalArticle

26 Citations (Scopus)

Two cohort and three independent anonymous twin projects at the Keio Twin Research Center (KoTReC)

Ando, J., Fujisawa, K. K., Shikishima, C., Hiraishi, K., Nozaki, M., Yamagata, S., Takahashi, Y., Ozaki, K., Suzuki, K., Deno, M., Sasaki, S., Toda, T., Kobayashi, K., Sugimoto, Y., Okada, M., Kijima, N., Ono, Y., Yoshimura, K., Kakihana, S., Maekawa, H. & 4 others, Kamakura, T., Nonaka, K., Kato, N. & Ooki, S., 2013 Feb 1, In : Twin Research and Human Genetics. 16, 1, p. 202-216 15 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)
2012

Depression and dementia: Perspectives from clinical studies

Nozaki, S., Yoshimura, K. & Mimura, M., 2012 Dec 1, In : Brain and Nerve. 64, 12, p. 1387-1397 11 p.

Research output: Contribution to journalReview article

3 Citations (Scopus)

Incidence and risk factors of postoperative delirium in patients with esophageal cancer

Takeuchi, M., Takeuchi, H., Fujisawa, D., Miyajima, K., Yoshimura, K., Hashiguchi, S., Ozawa, S., Ando, N., Shirahase, J., Kitagawa, Y. & Mimura, M., 2012 Nov 1, In : Annals of Surgical Oncology. 19, 12, p. 3963-3970 8 p.

Research output: Contribution to journalArticle

57 Citations (Scopus)

In Japan, all-payer rate setting under tight government control has proved to be an effective approach to containing costs

Ikegami, N. & Anderson, G. F., 2012 May 1, In : Health Affairs. 31, 5, p. 1049-1056 8 p.

Research output: Contribution to journalArticle

16 Citations (Scopus)

Japan's policy of promoting end-of-life care in nursing homes: Impact on facility and resident characteristics associated with the site of death

Ikegami, N. & Ikezaki, S., 2012 May 1, In : Health Policy. 105, 2-3, p. 303-311 9 p.

Research output: Contribution to journalArticle

13 Citations (Scopus)

Japan’s long-term care regulations focused on structure – rationale and future prospects

Ikegami, N., Ishibashi, T. & Amano, T., 2012 Jan 1, Regulating Long-Term Care Quality: An International Comparison. Cambridge University Press, p. 121-144 24 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

2 Citations (Scopus)

Risk factors for anxiety and depression in patients with glaucoma

Mabuchi, F., Yoshimura, K., Kashiwagi, K., Yamagata, Z., Kanba, S., Iijima, H. & Tsukahara, S., 2012 Jun, In : British Journal of Ophthalmology. 96, 6, p. 821-825 5 p.

Research output: Contribution to journalArticle

47 Citations (Scopus)

The World Health report 2008 - Primary healthcare: How wide is the gap between its agenda and implementation in 12 high-income health systems?

Gauld, R., Blank, R., Burgers, J., Cohen, A. B., Dobrow, M. K., Ikegami, N. K. I., Kwon, S., Luxford, K., Milett, C. & Wendt, C., 2012 Feb 1, In : Healthcare Policy. 7, 3, p. 38-58 21 p.

Research output: Contribution to journalReview article

20 Citations (Scopus)
2011

50 years of pursuing a healthy society in Japan

Reich, M. R., Ikegami, N., Shibuya, K. & Takemi, K., 2011 Sep 17, In : The Lancet. 378, 9796, p. 1051-1053 3 p.

Research output: Contribution to journalComment/debate

26 Citations (Scopus)

Japanese universal health coverage: Evolution, achievements, and challenges

Ikegami, N., Yoo, B. K., Hashimoto, H., Matsumoto, M., Ogata, H., Babazono, A., Watanabe, R., Shibuya, K., Yang, B. M., Reich, M. R. & Kobayashi, Y., 2011 Sep 17, In : The Lancet. 378, 9796, p. 1106-1115 10 p.

Research output: Contribution to journalReview article

253 Citations (Scopus)

Population ageing and wellbeing: Lessons from Japan's long-term care insurance policy

Tamiya, N., Noguchi, H., Nishi, A., Reich, M. R., Ikegami, N., Hashimoto, H., Shibuya, K., Kawachi, I. & Campbell, J. C., 2011 Jan 1, In : The Lancet. 378, 9797, p. 1183-1192 10 p.

Research output: Contribution to journalReview article

203 Citations (Scopus)
20 Citations (Scopus)

Treatment indications for sarcopenia: A systematic review of exercise intervention effect

Miyachi, M., Ando, D., Oida, Y., Oguma, Y., Ono, R., Kitabatake, Y., Tanaka, K., Nishiwaki, Y., Michikawa, T., Yanagita, M., Yoshimura, K. & Takebayashi, T., 2011 Mar 18, In : Japanese Journal of Geriatrics. 48, 1, p. 51-54 4 p.

Research output: Contribution to journalReview article

3 Citations (Scopus)
2010
32 Citations (Scopus)

Lessons from public long-term care insurance in Germany and Japan

Campbell, J. C., Ikegami, N. & Gibson, M. J., 2010 Jan 1, In : Health Affairs. 29, 1, p. 87-95 9 p.

Research output: Contribution to journalReview article

74 Citations (Scopus)

Life sustaining treatment at end-of-life in Japan: Do the perspectives of the general public reflect those of the bereaved of patients who had died in hospitals?

Ikegami, N. & Ikezaki, S., 2010 Dec 1, In : Health Policy. 98, 2-3, p. 98-106 9 p.

Research output: Contribution to journalArticle

10 Citations (Scopus)

Should the provision of home help services be contained? Validation of the new preventive care policy in Japan

Ishibashi, T. & Ikegami, N., 2010 Aug 5, In : BMC Health Services Research. 10, 224.

Research output: Contribution to journalArticle

17 Citations (Scopus)

The Generality of Personality Heritability: Big-Five Trait Heritability Predicts Response Time to Trait Items

Ekehammar, B., Akrami, N., Hedlund, L. E., Yoshimura, K., Ono, Y., Ando, J. & Yamagata, S., 2010 Oct 15, In : Journal of Individual Differences. 31, 4, p. 209-214 6 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)
2009

Comprehensive long-term care in Japan and Germany: Policy learning and cross-national comparison

Campbell, J. C. & Ikegami, N., 2009 Dec 1, Comparative Studies and the Politics of Modern Medical Care. Yale University Press, p. 265-287 23 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

2 Citations (Scopus)
8 Citations (Scopus)

Games policy makers and providers play: Introducing case-mix-based payment to hospital chronic care units in Japan

Ikegami, N., 2009 Jun 1, In : Journal of Health Politics, Policy and Law. 34, 3, p. 361-380 20 p.

Research output: Contribution to journalArticle

12 Citations (Scopus)

Japanese healthcare system: Lessons to be learned

Ikegami, N., 2009 Jun 1, In : Expert Review of Pharmacoeconomics and Outcomes Research. 9, 3, p. 201-204 4 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Policy learning and cross-national diffusion in social long-term care insurance: Germany, Japan, and the Republic of Korea

Campbell, J. C., Ikegami, N. & Kwon, S., 2009 Oct 1, In : International Social Security Review. 62, 4, p. 63-80 18 p.

Research output: Contribution to journalArticle

30 Citations (Scopus)

Problems in medical care in Japan--analysis by comparing it to foreign countries.

Ikegami, N., 2009 Jul, In : Japan-hospitals : the journal of the Japan Hospital Association. 28, p. 19-40 22 p.

Research output: Contribution to journalArticle

Refined geographic distribution of the oriental ALDH2* 504Lys (nee 487Lys) variant

Li, H., Borinskaya, S., Yoshimura, K., Kal'ina, N., Marusin, A., Stepanov, V. A., Qin, Z., Khaliq, S., Lee, M. Y., Yang, Y., Mohyuddin, A., Gurwitz, D., Mehdi, S. Q., Rogaev, E., Jin, L., Yankovsky, N. K., Kidd, J. R. & Kidd, K. K., 2009, In : Annals of Human Genetics. 73, 3, p. 335-345 11 p.

Research output: Contribution to journalArticle

142 Citations (Scopus)

Relationship between interRAI HC and the ICF: Opportunity for operationalizing the ICF

Berg, K., Finne-Soveri, H., Gray, L., Henrard, J. C., Hirdes, J., Ikegami, N., Ljunggren, G., Morris, J. N., Paquay, L., Resnik, L. & Teare, G., 2009 Apr 16, In : BMC Health Services Research. 9, 47.

Research output: Contribution to journalArticle

13 Citations (Scopus)

Relationships of personality and lifestyle with mobile phone dependence among female nursing students

Ezoe, S., Toda, M., Yoshimura, K., Naritomi, A., Den, R. & Morimoto, K., 2009 Jun 16, In : Social Behavior and Personality. 37, 2, p. 231-238 8 p.

Research output: Contribution to journalArticle

44 Citations (Scopus)

Use of physical restraints and antipsychotic medications in nursing homes: A cross-national study

Feng, Z., Hirdes, J. P., Smith, T. F., Finne-Soveri, H., Chi, I., Du Pasquier, J. N., Gilgen, R., Ikegami, N. & Mor, V., 2009 Oct 1, In : International Journal of Geriatric Psychiatry. 24, 10, p. 1110-1118 9 p.

Research output: Contribution to journalArticle

99 Citations (Scopus)
2008

A new formula for predicting liver metastasis in patients with colorectal cancer: Immunohistochemical analysis of a large series of 439 surgically resected cases

Ochiai, H., Nakanishi, Y., Fukasawa, Y., Sato, Y., Yoshimura, K., Moriya, Y., Kanai, Y., Watanabe, M., Hasegawa, H., Kitagawa, Y., Kitajima, M. & Hirohashi, S., 2008 Sep 1, In : Oncology. 75, 1-2, p. 32-41 10 p.

Research output: Contribution to journalArticle

18 Citations (Scopus)

Dealing with the medical axis-of-power: The case of Japan

Ikegami, N. & Campbell, J. C., 2008 Apr 1, In : Health Economics, Policy and Law. 3, 2, p. 107-113 7 p.

Research output: Contribution to journalEditorial

7 Citations (Scopus)

Genetic variation in PSCA is associated with susceptibility to diffuse-type gastric cancer

Sakamoto, H., Yoshimura, K., Saeki, N., Katai, H., Shimoda, T., Matsuno, Y., Saito, D., Sugimura, H., Tanioka, F., Kato, S., Matsukura, N., Matsuda, N., Nakamura, T., Hyodo, I., Nishina, T., Yasui, W., Hirose, H., Hayashi, M., Toshiro, E., Ohnami, S. & 23 others, Sekine, A., Sato, Y., Totsuka, H., Ando, M., Takemura, R., Takahashi, Y., Ohdaira, M., Aoki, K., Honmyo, I., Chiku, S., Aoyagi, K., Sasaki, H., Ohnami, S., Yanagihara, K., Yoon, K. A., Kook, M. C., Lee, Y. S., Park, S. R., Kim, C. G., Choi, I. J., Yoshida, T., Nakamura, Y. & Hirohashi, S., 2008 Jun, In : Nature genetics. 40, 6, p. 730-740 11 p.

Research output: Contribution to journalArticle

295 Citations (Scopus)

His595Tyr Polymorphism in the Methionine Synthase Reductase (MTRR) Gene Is Associated With Pancreatic Cancer Risk

Ohnami, S., Sato, Y., Yoshimura, K., Ohnami, S., Sakamoto, H., Aoki, K., Ueno, H., Ikeda, M., Morizane, C., Shimada, K., Sakamoto, Y., Esaki, M., Saito, I., Hirose, H., Saito, D., Sugimura, H., Kosuge, T., Okusaka, T. & Yoshida, T., 2008 Aug, In : Gastroenterology. 135, 2, p. 477-488.e3

Research output: Contribution to journalArticle

15 Citations (Scopus)

Japan, health system of

Ikegami, N., 2008 Dec 1, International Encyclopedia of Public Health. Elsevier Inc., p. 1-8 8 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

Japan's long-term care insurance

Ikegami, N., 2008 Dec, In : British Journal of Health Care Management. 14, 12, p. 548-551 4 p.

Research output: Contribution to journalArticle

Providing care for the ageing society

Ikegami, N., 2008 Apr 1, The Demographic Challenge: A Handbook about Japan. Brill, p. 1049-1064 16 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

1 Citation (Scopus)
62 Citations (Scopus)

Utility-based evaluation of the quality of life of patient's with gastric cancer who receive chemotherapy: Comparison of patients' quality of life between oral TS-1 and conventional injectable combination therapy

Shimizu, H., Tanaka, K., Ikeda, S., Sakamaki, H., Yajima, S., Ikegami, N. & Murayama, J. I., 2008 May 1, In : Yakugaku Zasshi. 128, 5, p. 783-793 11 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)
2007

The Japanese health care system--Achieving equity and containing costs through a single payment system.

Ikegami, N., 2007 Jan 1, In : The American heart hospital journal. 5, 1, p. 27-31 5 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)
2006

Advanced Asia's health systems in comparison

Gauld, R., Ikegami, N., Barr, M. D., Chiang, T. L., Gould, D. & Kwon, S., 2006 Dec 1, In : Health Policy. 79, 2-3, p. 325-336 12 p.

Research output: Contribution to journalArticle

28 Citations (Scopus)

Clinical and behavioral impact of implementing community-based diabetes disease management in Japan

Sakamaki, H., Ikeda, S., Ikegami, N., Norimoto, M. & Moriwaki, S., 2006 Feb 21, In : Disease Management and Health Outcomes. 14, 1, p. 45-54 10 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Comparison of health costs associated with treatment of hypertension with a calcium channel blocker and angiotensin-converting enzyme inhibitor in the United States and Japan

Sakamaki, Y., Sasamura, H., Ikeda, S., Ikegami, N. & Saruta, T., 2006 May 1, In : Hypertension Research. 29, 5, p. 333-338 6 p.

Research output: Contribution to journalArticle

8 Citations (Scopus)

Measurement of HRQL using EQ-5D in patients with type 2 diabetes mellitus in Japan

Sakamaki, H., Ikeda, S., Ikegami, N., Uchigata, Y., Iwamoto, Y., Origasa, H., Otani, T. & Otani, Y., 2006 Jan, In : Value in Health. 9, 1, p. 47-53 7 p.

Research output: Contribution to journalArticle

64 Citations (Scopus)

Prevalence of inappropriate medication using Beers criteria in Japanese long-term care facilities

Niwata, S., Yamada, Y. & Ikegami, N., 2006 Jan 11, In : BMC Geriatrics. 6, 1.

Research output: Contribution to journalArticle

58 Citations (Scopus)

Registry of adolescent and young adult twins in the Tokyo area

Shikishima, C., Ando, J., Ono, Y., Toda, T. & Yoshimura, K., 2006 Dec 1, In : Twin Research and Human Genetics. 9, 6, p. 811-816 6 p.

Research output: Contribution to journalReview article

18 Citations (Scopus)

Should providers be allowed to extra bill for uncovered services? Debate, resolution, and sequel in Japan

Ikegami, N., 2006 Dec 1, In : Journal of Health Politics, Policy and Law. 31, 6, p. 1129-1149 21 p.

Research output: Contribution to journalReview article

13 Citations (Scopus)