Department of Health Policy and Management

Research Output 1980 2020

Article
25 Citations (Scopus)

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 journalArticle

Universal Coverage
National Health Programs
Population Dynamics
Politics
Health Policy
16 Citations (Scopus)

A case for the adoption of pharmacoeconomic guidelines in Japan

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

Research output: Contribution to journalArticle

Pharmaceutical Economics
Japan
Guidelines
Pharmaceutical Preparations
Decision Support Techniques

A comparison of the surgical mortality due to colorectal perforation at different hospitals with data from 10,090 cases in the Japanese National Clinical Database

Ohki, T., Yamamoto, M., Miyata, H., Sato, Y., Saida, Y., Morimoto, T., Konno, H., Seto, Y. & Hirata, K., 2017, In : Medicine (United States). 96, 2, e5818.

Research output: Contribution to journalArticle

Databases
Mortality
Japan
Quality of Health Care
Peritonitis
26 Citations (Scopus)

Advanced Asia's health systems in comparison

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

Research output: Contribution to journalArticle

Systems Integration
Social Work
Primary Health Care
Republic of Korea
Cost Control
3 Citations (Scopus)

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

Health Care Rationing
Political Systems
Government Financing
State Medicine
health insurance
18 Citations (Scopus)

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, In : Oncology. 75, 1-2, p. 32-41 10 p.

Research output: Contribution to journalArticle

Colorectal Neoplasms
Neoplasm Metastasis
Matrix Metalloproteinase 7
Liver
Cadherins
1 Citation (Scopus)

Annual report of national clinical database in gastroenterological surgery 2015

National Clinical Database, 2017, In : Japanese Journal of Gastroenterological Surgery. 50, 2, p. 166-176 11 p.

Research output: Contribution to journalArticle

47 Citations (Scopus)

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

Long-Term Care
Costs and Cost Analysis
Diagnosis-Related Groups
Salaries and Fringe Benefits
Nursing Homes
1 Citation (Scopus)

Association between institutional procedural preference and in-hospital outcomes in laparoscopic surgeries; Insights from a retrospective cohort analysis of a nationwide surgical database in Japan

Miyata, H., Mori, M., Kokudo, N., Gotoh, M., Konno, H., Wakabayashi, G., Matsubara, H., Watanabe, T., Ono, M., Hashimoto, H., Yamamoto, H., Kumamaru, H., Kosaka, S. & Iwanaka, T., 2018 Mar 1, In : PLoS One. 13, 3, e0193186.

Research output: Contribution to journalArticle

laparoscopy
Laparoscopy
Surgery
Japan
Cohort Studies
21 Citations (Scopus)

Association between quality of end-of-life care and possible complicated grief among bereaved family members

Miyajima, K., Fujisawa, D., Yoshimura, K., Ito, M., Nakajima, S., Shirahase, J., Mimura, M. & Miyashita, M., 2014 Sep 1, In : Journal of Palliative Medicine. 17, 9, p. 1025-1031 7 p.

Research output: Contribution to journalArticle

Terminal Care
Grief
Quality of Life
Postal Service
Caregivers
5 Citations (Scopus)

Attitudes towards end-of-life care in a geriatric hospital in Japan.

Schreiner, A. S., Hara, N., Terakado, T. & Ikegami, N., 2004, In : International Journal of Palliative Nursing. 10, 4

Research output: Contribution to journalArticle

Terminal Care
Nursing Staff
Geriatrics
Japan
Palliative Care
32 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, In : Acta Psychiatrica Scandinavica. 93, 3, p. 172-176 5 p.

Research output: Contribution to journalArticle

Personality Disorders
Japan
Diagnostic and Statistical Manual of Mental Disorders
Personality
Anxiety
10 Citations (Scopus)

Barriers associated with door-to-balloon delay in contemporary Japanese practice

Ikemura, N., Sawano, M., Shiraishi, Y., Ueda, I., Miyata, H., Numasawa, Y., Noma, S., Suzuki, M., Momiyama, Y., Inohara, T., Hayashida, K., Yuasa, S., Maekawa, Y., Fukuda, K. & Kohsaka, S., 2017, In : Circulation Journal. 81, 6, p. 815-822 8 p.

Research output: Contribution to journalArticle

Registries
Peripheral Arterial Disease
Comorbidity
Heart Failure
Databases
2 Citations (Scopus)

Body mass index as a tool for optimizing surgical care in coronary artery bypass grafting through understanding risks of specific complications

Nishioka, N., Ichihara, N., Bando, K., Motomura, N., Koyama, N., Miyata, H., Kohsaka, S., Takamoto, S. & Hashimoto, K., 2019 Jan 1, (Accepted/In press) In : Journal of Thoracic and Cardiovascular Surgery.

Research output: Contribution to journalArticle

Coronary Artery Bypass
Body Mass Index
Morbidity
Odds Ratio
Confidence Intervals

Bridging the gap between health economic analysis and the real world

Ikegami, N., 2005 Feb, In : Expert Review of Pharmacoeconomics and Outcomes Research. 5, 1, p. 1-3 3 p.

Research output: Contribution to journalArticle

Economics
Health
43 Citations (Scopus)

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

mobile social services
health services
public sector
medical care
expenditure

Circadian patterns of hallucinatory experiences in patients with schizophrenia: Potentials for chrono-pharmacology

Koizumi, T., Suzuki, T., Pillai, N. S., Bies, R. R., Takeuchi, H., Yoshimura, K., Mimura, M. & Uchida, H., 2019 Oct 1, In : Journal of Psychiatric Research. 117, p. 1-6 6 p.

Research output: Contribution to journalArticle

Hallucinations
Schizophrenia
Pharmacology
Dopamine D2 Receptors
olanzapine
2 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, In : Disease Management and Health Outcomes. 14, 1, p. 45-54 10 p.

Research output: Contribution to journalArticle

Disease Management
Japan
Exercise Therapy
Quality of Life
Patient Compliance
8 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, In : Hypertension Research. 29, 5, p. 333-338 6 p.

Research output: Contribution to journalArticle

Calcium Channel Blockers
Angiotensin-Converting Enzyme Inhibitors
Health Care Costs
Japan
Hypertension
53 Citations (Scopus)

Comparison of Short-Term Outcomes Between Open and Minimally Invasive Esophagectomy for Esophageal Cancer Using a Nationwide Database in Japan

Takeuchi, H., Miyata, H., Ozawa, S., Udagawa, H., Osugi, H., Matsubara, H., Konno, H., Seto, Y. & Kitagawa, Y., 2017 Feb 21, (Accepted/In press) In : Annals of Surgical Oncology. p. 1-7 7 p.

Research output: Contribution to journalArticle

Esophagectomy
Esophageal Neoplasms
Japan
Databases
Propensity Score
397 Citations (Scopus)

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

Home Care Services
Nursing Homes
Home Care Agencies
Nursing Assessment
Social Environment
8 Citations (Scopus)

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

Anxiety Disorders
Japan
Costs and Cost Analysis
Morbidity
Mortality
9 Citations (Scopus)
Chemotherapy
Nursing
Japan
Drug Therapy
Nurses
2 Citations (Scopus)

Current status of cardiovascular surgery in Japan, 2013 and 2014: A report based on the Japan Cardiovascular Surgery Database (JCVSD). 1: Mission and history of JCVSD

Takamoto, S., Motomura, N., Miyata, H. & Tsukihara, H., 2017 Nov 13, (Accepted/In press) In : General Thoracic and Cardiovascular Surgery. p. 1-3 3 p.

Research output: Contribution to journalArticle

Japan
Databases
Thoracic Surgery
Cardiovascular Models
Information Services
3 Citations (Scopus)

Current status of cardiovascular surgery in Japan, 2013 and 2014: A report based on the Japan Cardiovascular Surgery Database. 4. Valvular heart surgery

Nakano, K., Hirahara, N., Motomura, N., Miyata, H. & Takamoto, S., 2017 Nov 13, (Accepted/In press) In : General Thoracic and Cardiovascular Surgery. p. 1-6 6 p.

Research output: Contribution to journalArticle

Thoracic Surgery
Japan
Databases
Prostheses and Implants
Renal Dialysis
5 Citations (Scopus)
Thoracic Surgery
Japan
Databases
Thorax
Mortality
3 Citations (Scopus)
Coronary Artery Bypass
Japan
Databases
Mammary Arteries
Arteries
4 Citations (Scopus)

Current status of cardiovascular surgery in Japan 2013 and 2014: A report based on the Japan Cardiovascular Surgery Database. 2: Congenital heart surgery

Hirata, Y., Hirahara, N., Murakami, A., Motomura, N., Miyata, H. & Takamoto, S., 2017 Nov 13, (Accepted/In press) In : General Thoracic and Cardiovascular Surgery. p. 1-4 4 p.

Research output: Contribution to journalArticle

Thoracic Surgery
Japan
Databases
Mortality
Norwood Procedures
7 Citations (Scopus)

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

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

Research output: Contribution to journalArticle

Organizational Case Studies
State Medicine
Insurance Coverage
Fees and Charges
Japan
3 Citations (Scopus)

Depression and dementia: Perspectives from clinical studies

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

Research output: Contribution to journalArticle

Dementia
Depression
Alzheimer Disease
Age of Onset
Clinical Studies
47 Citations (Scopus)

Dimensions of temperament as vulnerability factors in depression

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

Research output: Contribution to journalArticle

Temperament
Depression
Dizygotic Twins
Monozygotic Twins
Reward
1 Citation (Scopus)

Discussion on Japanese insured medical care from neurosurgeons' standpoint. No.15, in series of articles: Controversy and reform proposals concerning insured medical care in neurosurgery

Adachi, N., Ikegami, N., Saitoh, I., Nakagawa, T., Doumoto, Y. & Kawase, T., 2003 Apr 1, In : Neurological Surgery. 31, 4, p. 457-469 13 p.

Research output: Contribution to journalArticle

Quality of Health Care
Neurosurgery
Neurosurgeons
15 Citations (Scopus)

Dynamic subcellular localization of aquaporin-7 in white adipocytes

Miyauchi, T., Yamamoto, H., Abe, Y., Yoshida, G. J., Rojek, A., Sohara, E., Uchida, S., Nielsen, S. & Yasui, M., 2015 Feb 27, In : FEBS Letters. 589, 5, p. 608-614 7 p.

Research output: Contribution to journalArticle

White Adipocytes
Aquaporins
Adipocytes
Intracellular Membranes
Tissue
44 Citations (Scopus)

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

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

Research output: Contribution to journalArticle

Cost-Benefit Analysis
Japan
Alzheimer Disease
Long-Term Care Insurance
Fee Schedules
15 Citations (Scopus)

Effectiveness and outcome of pulmonary arterial hypertension-specific therapy in japanese patients with pulmonary arterial hypertension

on behalf of the Japan PH Registry (JAPHR) Network, 2018 Jan 1, In : Circulation Journal. 82, 1, p. 275-282 8 p.

Research output: Contribution to journalArticle

Pulmonary Hypertension
Registries
Japan
Hemodynamics
Therapeutics
2 Citations (Scopus)

Effect of hospital and surgeon volume on postoperative outcomes after distal gastrectomy for gastric cancer based on data from 145,523 Japanese patients collected from a nationwide web-based data entry system

Iwatsuki, M., Yamamoto, H., Miyata, H., Kakeji, Y., Yoshida, K., Konno, H., Seto, Y. & Baba, H., 2018 Jan 1, (Accepted/In press) In : Gastric Cancer.

Research output: Contribution to journalArticle

Gastrectomy
Information Systems
Stomach Neoplasms
Mortality
Odds Ratio
1 Citation (Scopus)

Effect of Japanese government policy on hospital pharmaceutical profit levels

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

Research output: Contribution to journalArticle

pharmaceutical
government policy
profit
drug
Pharmaceutical Preparations
6 Citations (Scopus)
Independent Living
Frail Elderly
Preventive Medicine
Home Care Services
home care

Effects of body habitus on contrast-induced acute kidney injury after percutaneous coronary intervention

Kuno, T., Numasawa, Y., Sawano, M., Katsuki, T., Kodaira, M., Ueda, I., Suzuki, M., Noma, S., Negishi, K., Ishikawa, S., Miyata, H., Fukuda, K. & Kosaka, S., 2018 Sep 1, In : PLoS One. 13, 9, e0203352.

Research output: Contribution to journalArticle

Percutaneous Coronary Intervention
Acute Kidney Injury
Creatinine
creatinine
kidneys
2 Citations (Scopus)

End-of-life preferences of the general public: Results from a Japanese national survey

Kissane, L. A., Ikeda, B., Akizuki, R., Nozaki, S., Yoshimura, K. & Ikegami, N., 2014 Jul 21, (Accepted/In press) In : Health Policy.

Research output: Contribution to journalArticle

Dementia
Heart Failure
Persistent Vegetative State
Terminal Care
Therapeutics
305 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

Japan
Quality-Adjusted Life Years
Population
Values
Interviews
1 Citation (Scopus)

Evaluating the quality of data from the Japanese National Clinical Database 2011 via a comparison with regional government report data and medical charts

Tomotaki, A., Kumamaru, H., Hashimoto, H., Takahashi, A., Ono, M., Iwanaka, T. & Miyata, H., 2018 Jan 1, (Accepted/In press) In : Surgery Today.

Research output: Contribution to journalArticle

Databases
Lung
Data Accuracy
Japan
Demography
1 Citation (Scopus)

First Database Comparison Between the United States and Japan: Coronary Artery Bypass Grafting

Nawata, K., D'Agostino, R. S., Habib, R. H., Kumamaru, H., Hirahara, N., Miyata, H., Motomura, N., Takamoto, S., Shahian, D. M. & Grover, F. L., 2019 Jan 1, (Accepted/In press) In : Annals of Thoracic Surgery.

Research output: Contribution to journalArticle

Coronary Artery Bypass
Japan
Databases
Thorax
Transplants
285 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

Stomach Neoplasms
Prostate
Stem Cells
Antigens
Alleles
4 Citations (Scopus)

Growing old in Japan

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

Research output: Contribution to journalArticle

Quality of Health Care
Long-Term Care
Japan
12 Citations (Scopus)

Growth of psychiatric beds in Japan

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

Research output: Contribution to journalArticle

psychological care
geriatrics
medical care
Psychiatry
age group
4 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

Reimbursement Mechanisms
Diagnosis-Related Groups
Long-Term Care
Japan
Direction compound
64 Citations (Scopus)

Health care reform in japan: The virtues of muddling through

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

Research output: Contribution to journalArticle

Fee Schedules
Healthcare Financing
Health Care Reform
Quality of Health Care
Health Insurance
17 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

Health Care Quality Assurance
Health Services for the Aged
Fee Schedules
Health Knowledge, Attitudes, Practice
Fee-for-Service Plans
15 Citations (Scopus)

Higher incidence of pancreatic fistula in laparoscopic gastrectomy. Real-world evidence from a nationwide prospective cohort study

Hiki, N., Honda, M., Etoh, T., Yoshida, K., Kodera, Y., Kakeji, Y., Kumamaru, H., Miyata, H., Yamashita, Y., Inomata, M., Konno, H., Seto, Y. & Kitano, S., 2017 Sep 8, (Accepted/In press) In : Gastric Cancer. p. 1-9 9 p.

Research output: Contribution to journalArticle

Pancreatic Fistula
Gastrectomy
Cohort Studies
Prospective Studies
Incidence