Department of Health Policy and Management

Research Output 1980 2020

2016
4 Citations (Scopus)

Development of an annually updated Japanese national clinical database for chest surgery in 2014

Endo, S., Ikeda, N., Kondo, T., Nakajima, J., Kondo, H., Yokoi, K., Chida, M., Sato, M., Toyooka, S., Yoshida, K., Okada, Y., Sato, Y., Okumura, M., Masuda, M., Chihara, K. & Miyata, H., 2016 Oct 1, In : General Thoracic and Cardiovascular Surgery. 64, 10, p. 569-576 8 p.

Research output: Contribution to journalReview article

Thorax
Databases
Internet
Certification
Thoracic Surgery

Effect of Pre-Procedural Beta-Blocker in Patients Undergoing Percutaneous Coronary Intervention

Maekawa, Y., Miyata, H., Ueda, I., Ikemura, N., Fukuda, K. & Kohsaka, S., 2016 Dec 12, In : JACC: Cardiovascular Interventions. 9, 23, p. 2458-2459 2 p.

Research output: Contribution to journalLetter

Percutaneous Coronary Intervention
20 Citations (Scopus)

Performance and Validation of the U.S. NCDR Acute Kidney Injury Prediction Model in Japan

Inohara, T., Kosaka, S., Miyata, H., Ueda, I., Maekawa, Y., Fukuda, K., Cohen, D. J., Kennedy, K. F., Rumsfeld, J. S. & Spertus, J. A., 2016 Apr 12, In : Journal of the American College of Cardiology. 67, 14, p. 1715-1722 8 p.

Research output: Contribution to journalArticle

Acute Kidney Injury
Registries
Japan
Percutaneous Coronary Intervention
Calibration
5 Citations (Scopus)

Reduced expression of the DNA glycosylase gene MUTYH is associated with an increased number of somatic mutations via a reduction in the DNA repair capacity in prostate adenocarcinoma

Shinmura, K., Kato, H., Kawanishi, Y., Yoshimura, K., Igarashi, H., Goto, M., Tao, H., Inoue, Y., Sugiyama, T., Furuse, H., Ozono, S. & Sugimura, H., 2016, (Accepted/In press) In : Molecular Carcinogenesis.

Research output: Contribution to journalArticle

DNA Glycosylases
DNA Repair
Prostate
Prostatic Neoplasms
Adenocarcinoma

Use of renin-angiotensin system inhibitors after coronary interventions in patients with the guideline-based indications: A report from a Japanese multicenter registry

Ikemura, N., Sawano, M., Miyata, H., Ueda, I., Numasawa, Y., Noma, S., Suzuki, M., Momiyama, Y., Maekawa, Y., Fukuda, K. & Kosaka, S., 2016 Dec 15, In : International Journal of Cardiology. 225, p. 362-364 3 p.

Research output: Contribution to journalArticle

9 Citations (Scopus)

Validation of the board certification system for expert surgeons (hepato-biliary-pancreatic field) using the data of the National Clinical Database of Japan: part 2 – Pancreatoduodenectomy

Miura, F., Yamamoto, M., Gotoh, M., Konno, H., Fujimoto, J., Yanaga, K., Kokudo, N., Yamaue, H., Wakabayashi, G., Seto, Y., Unno, M., Miyata, H., Hirahara, N. & Miyazaki, M., 2016 Jun 1, In : Journal of Hepato-Biliary-Pancreatic Sciences. 23, 6, p. 353-363 11 p.

Research output: Contribution to journalArticle

Expert Systems
Pancreaticoduodenectomy
Certification
Japan
Databases
10 Citations (Scopus)

Validation of the board certification system for expert surgeons (hepato-biliary-pancreatic field) using the data of the National Clinical Database of Japan: part 1 - Hepatectomy of more than one segment

Miura, F., Yamamoto, M., Gotoh, M., Konno, H., Fujimoto, J., Yanaga, K., Kokudo, N., Yamaue, H., Wakabayashi, G., Seto, Y., Unno, M., Miyata, H., Hirahara, N. & Miyazaki, M., 2016 Jun 1, In : Journal of Hepato-Biliary-Pancreatic Sciences. 23, 6, p. 313-323 11 p.

Research output: Contribution to journalArticle

Expert Systems
Certification
Hepatectomy
Japan
Databases
2015
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
18 Citations (Scopus)

Japan's vision for health care in 2035

Miyata, H., Ezoe, S., Hori, M., Inoue, M., Oguro, K., Okamoto, T., Onishi, K., Onozaki, K., Sakakibara, T., Takeuchi, K., Tokuda, Y., Yamamoto, Y., Yamazaki, M. & Shibuya, K., 2015 Jun 27, In : The Lancet. 385, 9987, p. 2549-2550 2 p.

Research output: Contribution to journalComment/debate

Organizational Innovation
Health Services Accessibility
Health Care Reform
Health Care Costs
Japan
10 Citations (Scopus)

Use of intra-aortic balloon pump in a Japanese multicenter percutaneous coronary intervention registry

Inohara, T., Miyata, H., Ueda, I., Maekawa, Y., Fukuda, K. & Kosaka, S., 2015 Dec 1, In : JAMA Internal Medicine. 175, 12, p. 1980-1982 3 p.

Research output: Contribution to journalArticle

Intra-Aortic Balloon Pumping
Percutaneous Coronary Intervention
Registries
Myocardial Infarction
2014
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
9 Citations (Scopus)
Chemotherapy
Nursing
Japan
Drug Therapy
Nurses
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
5 Citations (Scopus)

Influence of patient characteristics on care time in patients hospitalized with schizophrenia

Sugibayashi, Y., Yoshimura, K., Yamauchi, K., Inagaki, A. & Ikegami, N., 2014 Aug 25, In : Neuropsychiatric Disease and Treatment. 10, p. 1577-1584 8 p.

Research output: Contribution to journalArticle

Schizophrenia
Length of Stay
Patient Care
Inpatients
Nurses
9 Citations (Scopus)

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

Sick Leave
Mental Disorders
Workplace
Return to Work
Diagnostic and Statistical Manual of Mental Disorders
2013
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
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 journalArticle

Terminal Care
Nursing Homes
Japan
Quality of Life
Quality of Health Care
26 Citations (Scopus)

The cost of schizophrenia in Japan

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

Research output: Contribution to journalArticle

Schizophrenia
Japan
Costs and Cost Analysis
Depression
Morbidity
5 Citations (Scopus)

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

Andou, J., Fujisawa, 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, In : Twin Research and Human Genetics. 16, 1, p. 202-216 15 p.

Research output: Contribution to journalArticle

Research
Twin Studies
Aptitude
Developmental Genes
Gene-Environment Interaction
2012
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
50 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, In : Annals of Surgical Oncology. 19, 12, p. 3963-3970 8 p.

Research output: Contribution to journalArticle

Delirium
Esophageal Neoplasms
Incidence
Flunitrazepam
Intensive Care Units
15 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, In : Health Affairs. 31, 5, p. 1049-1056 8 p.

Research output: Contribution to journalArticle

Japan
Costs and Cost Analysis
Delivery of Health Care
Fee Schedules
Government Regulation
12 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, In : Health Policy. 105, 2-3, p. 303-311 9 p.

Research output: Contribution to journalArticle

Terminal Care
Nursing Homes
Japan
Family Nursing
Home Care Services
2 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

Long-term care
Rationale
Japan
Government
Lobbies
42 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

Glaucoma
Anxiety
Depression
Linear Models
Regression Analysis
20 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, In : Healthcare Policy. 7, 3, p. 38-58 21 p.

Research output: Contribution to journalArticle

Primary Health Care
Health
Health Care Reform
Global Health
Universal Coverage
2011
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
232 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 journalArticle

Universal Coverage
Social Security
Health Insurance
Health
Fee Schedules
185 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 Sep 24, In : The Lancet. 378, 9797, p. 1183-1192 10 p.

Research output: Contribution to journalArticle

Long-Term Care Insurance
Caregivers
Japan
Population
Social Security
19 Citations (Scopus)
Nursing Services
Japan
Nursing Stations
Retrospective Studies
Community Health Nurses
3 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, In : Japanese Journal of Geriatrics. 48, 1, p. 51-54 4 p.

Research output: Contribution to journalArticle

Sarcopenia
Resistance Training
Exercise
Muscles
Search Engine
2010
30 Citations (Scopus)
Long-Term Care Insurance
Institutionalization
Social Welfare
Respite Care
Japan
68 Citations (Scopus)

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

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

Research output: Contribution to journalArticle

Long-Term Care Insurance
Germany
Japan
Voluntary Programs
Social Security
10 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, In : Health Policy. 98, 2-3, p. 98-106 9 p.

Research output: Contribution to journalArticle

Japan
Therapeutics
Physicians
Surveys and Questionnaires
Urban Hospitals
16 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, In : BMC Health Services Research. 10, 224.

Research output: Contribution to journalArticle

Preventive Medicine
Long-Term Care Insurance
Japan
Light
Tokyo
1 Citation (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., Andou, J. & Yamagata, S., 2010, In : Journal of Individual Differences. 31, 4, p. 209-214 6 p.

Research output: Contribution to journalArticle

Reaction Time
Personality
Research
2009
2 Citations (Scopus)

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

Campbell, J. C. & Ikegami, N., 2009, 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

Long-Term Care
Germany
Japan
Learning
learning
6 Citations (Scopus)
Independent Living
Frail Elderly
Preventive Medicine
Home Care Services
home care
2 Citations (Scopus)

Japanese healthcare system: Lessons to be learned

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

Research output: Contribution to journalArticle

Reimbursement Mechanisms
Health Services for the Aged
Long-Term Care
Health Insurance
Health Policy
129 Citations (Scopus)

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

China
Far East
Esophageal Neoplasms
Alleles
Alcohols
13 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, In : BMC Health Services Research. 9, 47.

Research output: Contribution to journalArticle

Home Care Services
International Classification of Functioning, Disability and Health
Patient Care Planning
Telecommunications
Canada
39 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, In : Social Behavior and Personality. 37, 2, p. 231-238 8 p.

Research output: Contribution to journalArticle

Cell Phones
Nursing Students
Personality
Life Style
Students
Diagnosis-Related Groups
Psychiatry
Japan
Chronic Disease
93 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, In : International Journal of Geriatric Psychiatry. 24, 10, p. 1110-1118 9 p.

Research output: Contribution to journalArticle

Physical Restraint
Nursing Homes
Antipsychotic Agents
Hong Kong
Finland
2008
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
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
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

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

Long-Term Care Insurance
Japan
1 Citation (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, In : Yakugaku Zasshi. 128, 5, p. 783-793 11 p.

Research output: Contribution to journalArticle

Stomach Neoplasms
Quality of Life
Drug Therapy
Injections
Nurses
2006
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