Department of Health Policy and Management

Research Output

1980

Growth of psychiatric beds in Japan

Ikegami, N., 1980 Dec, In : Social Science and Medicine. Part A Medical Psychology and Medical. 14, 6, p. 561-570 10 p.

Research output: Contribution to journalArticle

12 Citations (Scopus)
1982

Institutionalized and the non-institutionalized elderly

Ikegami, N., 1982, In : Social Science and Medicine. 16, 23, p. 2001-2008 8 p.

Research output: Contribution to journalArticle

14 Citations (Scopus)
1984

The Japanese health system. Another success story?

Ikegami, N., 1984 Dec 1, In : Hospital Health Services Review. 80, 6, p. 261-264 4 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)
1986

Allocating health resources.

Lee, K. & Ikegami, N., 1986 Jun, In : Social and economic administration. 20, 2, p. 103-116 14 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)
1987

Patient satisfaction and hospital management policy.

Ikegami, N. & Kawakita, H., 1987 Jul 1, In : Japan-hospitals : the journal of the Japan Hospital Association. 6, p. 11-15 5 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)
1991

Japanese health care: Low cost through regulated fees

Ikegami, N., 1991 Jan 1, In : Health Affairs. 10, 3, p. 87-109 23 p.

Research output: Contribution to journalArticle

Open Access
59 Citations (Scopus)
1992

Japan: Maintaining equity through regulated fees

Ikegami, N., 1992, In : Journal of Health Politics, Policy and Law. 17, 4, p. 689-713 25 p.

Research output: Contribution to journalArticle

12 Citations (Scopus)

The economics of health care in Japan

Ikegami, N., 1992 Jan 1, In : Science. 258, 5082, p. 614-618 5 p.

Research output: Contribution to journalArticle

30 Citations (Scopus)
1994

Applying RUG-III in Japanese long-term care facilities

Ikegami, N., Fries, B. E., Takagi, Y., Ikeda, S. & Ibe, T., 1994, In : Gerontologist. 34, 5, p. 628-639 12 p.

Research output: Contribution to journalArticle

48 Citations (Scopus)

Heading in the right direction.

Fries, B. E. & Ikegami, N., 1994 Oct, In : Gerontologist. 34, 5, p. 582-583 2 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)
1995

Health care without managed care in Japan.

Ikegami, N., 1995 Oct, In : Health care management (Philadelphia, Pa.). 2, 1, p. 211-219 9 p.

Research output: Contribution to journalArticle

Medical care in Japan

Ikegami, N. & Campbell, J. C., 1995, In : New England Journal of Medicine. 333, 19, p. 1295-1299 5 p.

Research output: Contribution to journalArticle

118 Citations (Scopus)
1996

A case for the adoption of pharmacoeconomic guidelines in Japan

Ikeda, S., Ikegami, N., Oliver, A. J. & Ikeda, M., 1996 Jan 1, In : PharmacoEconomics. 10, 6, p. 546-551 6 p.

Research output: Contribution to journalShort survey

16 Citations (Scopus)

Avoidant personality disorder and taijin kyoufu: Sociocultural implications of the WHO/ADAMHA International Study of Personality Disorders in Japan

Ono, Y., Yoshimura, K., Sueoka, R., Yamauchi, K., Mizushima, H., Momose, T., Nakamura, K., Okonogi, K. & Asai, M., 1996 Jan 1, In : Acta Psychiatrica Scandinavica. 93, 3, p. 172-176 5 p.

Research output: Contribution to journalArticle

32 Citations (Scopus)

Increase in health care costs due to technological diffusion in diagnostic tests and diagnostic imaging.

Ikegami, N. & Ikeda, S., 1996 Jul 1, In : Japan-hospitals : the journal of the Japan Hospital Association. 15, p. 15-23 9 p.

Research output: Contribution to journalArticle

1997

Comprehensive clinical assessment in community setting: Applicability of the MDS-HC

Morris, J. N., Fries, B. E., Steel, K., Ikegami, N., Bernabei, R., Carpenter, G. I., Gilgen, R., Hirdes, J. P. & Topinková, E., 1997 Aug, In : Journal of the American Geriatrics Society. 45, 8, p. 1017-1024 8 p.

Research output: Contribution to journalArticle

413 Citations (Scopus)

Japan's aging population. Implications for healthcare

Oliver, A. J., Ikegami, N. & Ikeda, S., 1997 Jan 1, In : PharmacoEconomics. 11, 4, p. 306-318 13 p.

Research output: Contribution to journalReview article

11 Citations (Scopus)

Low-care cases in long-term care settings: Variation among nations

Ikegami, N., Morris, J. N. & Fries, B. E., 1997 Jan 1, In : Age and Ageing. 26, SUPPL. 2, p. 67-71 5 p.

Research output: Contribution to journalArticle

Open Access
16 Citations (Scopus)

Nursing homes in 10 nations: A comparison between countries and settings

Ribbe, M. W., Ljunggren, G., Steel, K., Topinková, E., Hawes, C., Ikegami, N., Henrard, J. C. & Jónnson, P. V., 1997 Jan 1, In : Age and Ageing. 26, SUPPL. 2, p. 3-12 10 p.

Research output: Contribution to journalArticle

Open Access
203 Citations (Scopus)

Public long-term care insurance in Japan

Ikegami, N., 1997 Oct 22, In : Journal of the American Medical Association. 278, 16, p. 1310-1314 5 p.

Research output: Contribution to journalArticle

79 Citations (Scopus)

RUG-III and resource allocation: Comparing the relationship of direct care time with patient characteristics in five countries

Carpenter, G. I., Ikegami, N., Ljunggren, G., Carrillo, E. & Fries, B. E., 1997 Jan 1, In : Age and Ageing. 26, SUPPL. 2, p. 61-65 5 p.

Research output: Contribution to journalArticle

Open Access
30 Citations (Scopus)

Serotonin transporter gene regulatory region polymorphism and anxiety- related traits in the Japanese

Nakamura, T., Muramatsu, T., Ono, Y., Matsushita, S., Higuchi, S., Mizushima, H., Yoshimura, K., Kanba, S. & Asai, M., 1997, In : American Journal of Medical Genetics - Neuropsychiatric Genetics. 74, 5, p. 544-545 2 p.

Research output: Contribution to journalArticle

88 Citations (Scopus)

The paradox of decreasing prices and increasing costs for diagnostic tests, imaging, and drugs in Japan

Ikegami, N. & Ikeda, S., 1997 Jan 1, In : International Journal of Technology Assessment in Health Care. 13, 1, p. 99-110 12 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)
1998

Growing old in Japan

Ikegami, N., 1998 Jan 1, In : Age and Ageing. 27, 3, p. 277-278 2 p.

Research output: Contribution to journalShort survey

4 Citations (Scopus)

Health care systems in transition II, Japan, Part I. An overview of the Japanese health care systems

Arai, Y. & Ikegami, N., 1998 Mar, In : Journal of Public Health Medicine. 20, 1, p. 29-33 5 p.

Research output: Contribution to journalArticle

17 Citations (Scopus)

Long-term care in Japan and the United States: A medical or social issue? [3] (multiple letters)

Manning, G. C. & Ikegami, N., 1998 Mar 11, In : Journal of the American Medical Association. 279, 10, p. 747-748 2 p.

Research output: Contribution to journalLetter

2 Citations (Scopus)

Pharmacoeconomic evaluation in Japanese pharmaceutical companies

Ikeda, S., Oliver, A. J. & Ikegami, N., 1998 Jan 1, In : Drug Information Journal. 32, 1, p. 169-174 6 p.

Research output: Contribution to journalReview article

4 Citations (Scopus)

Why medical care costs in Japan have increased despite declining prices for pharmaceuticals

Ikegami, N., 1998 Jan 1, In : PharmacoEconomics. 14, SUPPL. 1, p. 97-105 9 p.

Research output: Contribution to journalArticle

11 Citations (Scopus)
1999

Clinicopathologic significance of laminin-5 γ2 chain expression in squamous cell carcinoma of the tongue: Immunohistochemical analysis of 67 lesions

Yukiko, O., Nakanishi, Y., Yoshinori, I., Niki, T., Yamada, T., Yoshimura, K., Saikawa, M., Nakajima, T. & Hirohashi, S., 1999 Jun 1, In : Cancer. 85, 11, p. 2315-2321 7 p.

Research output: Contribution to journalArticle

135 Citations (Scopus)

Effect of Japanese government policy on hospital pharmaceutical profit levels

Oliver, A. J., Ikegami, N. & Ikeda, S., 1999 Jan 1, In : Journal of Health Services Research and Policy. 4, 1, p. 27-32 6 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Health care reform in japan: The virtues of muddling through

Ikegami, N. & Campbell, J. C., 1999 Dec 1, In : Health Affairs. 18, 3, p. 56-75 20 p.

Research output: Contribution to journalArticle

65 Citations (Scopus)

Is paranoid schizophrenia the most common subtype?

Tateyama, M., Kudo, I., Hashimoto, M., Abe, Y., Kainuma, A., Yoshimura, K., Asai, M., Bartels, M. & Kasper, S., 1999 Mar, In : Psychopathology. 32, 2, p. 98-106 9 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Schizophrenia: Is it time to replace the term?

Ono, Y., Satsumi, Y., Kim, Y., Iwadate, T., Moriyama, K., Nakane, Y., Nakata, T., Okagami, K., Sakai, T., Sato, M., Someya, T., Takagi, S., Ushijima, S., Yamauchi, K. & Yoshimura, K., 1999 Jun, In : Psychiatry and Clinical Neurosciences. 53, 3, p. 335-341 7 p.

Research output: Contribution to journalReview article

45 Citations (Scopus)

Targeting and quality of nursing home care. A five-nation study

Carpenter, G. I., Hirdes, J. P., Ribbe, M. W., Ikegami, N., Challis, D., Steel, K., Bernabei, R. & Fries, B., 1999 Apr 1, In : Aging Clinical and Experimental Research. 11, 2, p. 83-89 7 p.

Research output: Contribution to journalArticle

22 Citations (Scopus)
2000

Absence of germline CHK2 mutations in familial gastric cancer

Kimura, K., Shinmura, K., Yoshimura, K., Shimizu, K., Katai, H., Beppu, Y., Moriya, H. & Yokota, J., 2000, In : Japanese Journal of Cancer Research. 91, 9, p. 875-879 5 p.

Research output: Contribution to journalArticle

16 Citations (Scopus)

Genetic structure of the five-factor model of personality in a Japanese twin population

Ono, Y., Ando, J., Onoda, N., Yoshimura, K., Kanba, S., Hirano, M. & Asai, M., 2000 Dec, In : Keio Journal of Medicine. 49, 4, p. 152-158 7 p.

Research output: Contribution to journalArticle

Open Access
13 Citations (Scopus)

Long-term care insurance comes to Japan

Campbell, J. C. & Ikegami, N., 2000 Jan 1, In : Health Affairs. 19, 3, p. 26-39 14 p.

Research output: Contribution to journalArticle

Open Access
239 Citations (Scopus)

Significance of involvement by squamous cell carcinoma of the ducts of esophageal submucosal glands: Analysis of 201 surgically resected superficial squamous cell carcinomas

Tajima, Y., Nakanishi, Y., Tachimori, Y., Kato, H., Watanabe, H., Yamaguchi, H., Yoshimura, K., Kusano, M. & Shimoda, T., 2000 Jul 15, In : Cancer. 89, 2, p. 248-254 7 p.

Research output: Contribution to journalArticle

36 Citations (Scopus)

Somatoform symptoms in a Japanese community population: Prevalence and association with personality characteristics

Ono, Y., Yoshimura, K., Yamauchi, K., Asai, M., Young, J., Fujihara, S. & Kitamura, T., 2000 Jun 1, In : Transcultural Psychiatry. 37, 2, p. 217-227 11 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

The impact of legislation on psychotropic drug use in nursing homes: A cross-national perspective

Hughes, C. M., Lapane, K. L., Mor, V., Ikegami, N., Jonsson, P. V., Ljunggren, G. & Sgadari, A., 2000, In : Journal of the American Geriatrics Society. 48, 8, p. 931-937 7 p.

Research output: Contribution to journalArticle

53 Citations (Scopus)

Where should women deliver babies in Japan?

Ikegami, N. & Yoshimura, Y., 2000 May 31, In : Journal of the American Medical Association. 283, 20, p. 2712-2714 3 p.

Research output: Contribution to journalEditorial

1 Citation (Scopus)
2001

Long-term care: A complex challenge

Ikegami, N., Hirdes, J. P. & Carpenter, I., 2001 Nov 1, In : OECD Observer. 229, p. 27-29 3 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

The health economics of diabetes

Ikegami, N., 2001 Jan 1, In : Folia Ophthalmologica Japonica. 52, 1, p. 4-9 6 p.

Research output: Contribution to journalArticle

2002

Choices, policy logics and problems in the design of long-term care systems

Ikegami, N. & Campbell, J. C., 2002 Dec, In : Social Policy and Administration. 36, 7, p. 719-734 16 p.

Research output: Contribution to journalArticle

45 Citations (Scopus)

Clinicopathological significance of epigenetic inactivation of RASSF1A at 3p21.3 in Stage I lung adenocarcinoma

Tomizawa, Y., Kohno, T., Kondo, H., Otsuka, A., Nishioka, M., Niki, T., Yamada, T., Maeshima, A., Yoshimura, K., Saito, R., Minna, J. D. & Yokota, J., 2002, In : Clinical Cancer Research. 8, 7, p. 2362-2368 7 p.

Research output: Contribution to journalArticle

127 Citations (Scopus)

Dimensions of temperament as vulnerability factors in depression

Ono, Y., Ando, J., Onoda, N., Yoshimura, K., Momose, T., Hirano, M. & Kanba, S., 2002 Jan 1, In : Molecular Psychiatry. 7, 9, p. 948-953 6 p.

Research output: Contribution to journalArticle

48 Citations (Scopus)

E-cadherin gene variants in gastric cancer families whose probands are diagnosed with diffuse gastric cancer

Yabuta, T., Shinmura, K., Tani, M., Yamaguchi, S., Yoshimura, K., Katai, H., Nakajima, T., Mochiki, E., Tsujinaka, T., Takami, M., Hirose, K., Yamaguchi, A., Takenoshita, S. & Yokota, J., 2002 Oct 10, In : International Journal of Cancer. 101, 5, p. 434-441 8 p.

Research output: Contribution to journalArticle

76 Citations (Scopus)

Economic evaluation of donepezil treatment for Alzheimer's disease in Japan

Ikeda, S., Yamada, Y. & Ikegami, N., 2002 Jan 1, In : Dementia and Geriatric Cognitive Disorders. 13, 1, p. 33-39 7 p.

Research output: Contribution to journalArticle

44 Citations (Scopus)

Estimating an EQ-5D population value set: The case of Japan

Tsuchiya, A., Ikeda, S., Ikegami, N., Nishimura, S., Sakai, I., Fukuda, T., Hamashima, C., Hisashige, A. & Tamura, M., 2002, In : Health Economics. 11, 4, p. 341-353 13 p.

Research output: Contribution to journalArticle

326 Citations (Scopus)

Information barriers to the implementation of economic evaluations in Japan

Nishimura, S., Torrance, G. W., Ikegami, N., Fukuhara, S., Drummond, M. & Schubert, F., 2002 Jan 1, In : PharmacoEconomics. 20, SUPPL. 2, p. 9-15 7 p.

Research output: Contribution to journalArticle

10 Citations (Scopus)