Publications

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Imanaka Y. Transforming Crisis Experience into “Symbiotic” Smart Society for Health & Well-Being. HIRA International Symposium. Seoul, Korea, 31 August 2023. HIRA International Symposium 2023, 31 August 2023.

Imanaka Y. Transforming Crisis Experience into "Symbiotic/Convivial" Smart Healthy Society. ASQua World Health Day 2023: Health for All. Online. 18 April 2023 ASQua World Health Day 2023: Health for All, Online. 18 April 2023.

Imanaka Y. Trends and needs of the Japanese Digital Health Market. Japan Health Day in Helsinki. Helsinki, Finland, Hybrid. 17 April 2023. Japan Health Day in Helsinki. Helsinki, 17 April 2023.

Sasaki N, Imanaka Y. Challenges to identify barriers and policy intervention points in relation to the financial protection of older households: applying the Behaviour Change Wheel Framework to the complicated cases experienced by local social workers. 16th Guidelines International Network Conference, Tronto, Canada. 21-24 September, 2022.[Poster Presentation] 16th Guidelines International Network Conference, Tronto, Canada. 21-24 September, 2022.

Imanaka Y. COVID-19 impact on Japan healthcare system & suggestions of strategic framework for resilient societies. an invited lecture in "Bridging Japan-UK Online Symposium 2022: Reviewing the pandemic responses in Japan, UK and the rest of the world" (Online) 6 March 2022.

Khatoun A, Shin J, Sasaki Noriko, Imanaka Y. Quantitative Evaluation of Broad-Spectrum Antibiotic Use at Hospital Level. The 80th Annual Meeting of Japanese Society of Public Health, Tokyo, Japan. Hybrid. December 21 - December 23, 2021.

Okuno T, Shin J, Itoshima H, Imanaka Y. Physical restraint of dementia patients in acute care hospitals during the COVID-19 pandemic: A cohort analysis in Japan. The 80th Annual The 80th Annual Meeting of Japanese Society of Public Health, Tokyo, Japan. Hybrid. December 21 - December 23, 2021.

Imanaka Y. Transforming COVID-19 Impact into Resilient & "Symbiotic" Health System and Healthy Society. in "Post ISQua Highlight”International Webinar by Taiwan Healthcare Quality Association. December 21 - December 23, 2021.

Ohki Y, Ikeda Y, Kunisawa S and Imanaka Y. Healthcare cooperation network constructed using patient claims data in Japan. The 10th International Conference on Complex Networks and their Applications, Madrid, Spain Hybrid (Online & In-Person). November 30 - December 2, 2021.

Imanaka Y. Data-driven Planning for Healthy Cities. [Keynote Speaker] The 9th Global Conference of the Alliance for Healthy Cities. Hong Kong, China Online (4 Nov.) 3-5 November 2021.

Imanaka Y. COVID-19 impact on Japan healthcare system & Comparison of COVID-19 policy and measures among Taiwan, South Korea and Japan. In the Academy's Symposium: Lessons from Around the World from the COVID Pandemic for the Healthcare System. 10th of July 2021. ISQua's 37th International Conference 2021, Virtual, 8-12 July 2021.

Imanaka Y. Design & Restructure Social System for Well-Being. The 2nd Nikkei Super Active Ageing Society Conference - An international conference aiming to resolve the issues of ageing: Panel Session "Health". Tokyo & Online (Hybrid), 16 November 2020.

Bun S, Kunisawa S, Sasaki N, Matsumoto K, Yamatani A, Imanaka Y. High intensity end-of-life care in pediatrics, adolescent and young adult (AYA) patients with cancer using an administrative database. European Society for Medical Oncology, Spain, 27 September - 1 October, 2019.

Kohori-Segawa H,Dorji C, Dorji N, Wangdi U, Yangchen P, Sakamoto R, Imanaka Y. Non communicable disease prevention and happiness measures in Bhutan　Mixed Methods International Research Association: MMIRA and Japan Society for Mixed Methods Research. JSMMR 3rd Asia regional conference, Hamamatsu, Japan. 14-16 September 2019.

Nakabe T, Imanaka Y. How much healthcare resource should be allocated per person under the sustainable insurance system?: Qualitative review from medical, economic, and ethical perspectives. 25th World Asscoiation for Medical Law. Tokyo, Japan. 6-8 August, 2019.

Hara K, Nakabe T, Naka T, Tanaka M, Imanaka Y. Visualizing organizational culture in old people’s homes and hospitals in Japan: Human interaction in the IoT era. HCI international 2019, Orlando, Florida, USA. 26-31 July, 2019.

Teraoka E, Imanaka Y. Kunisawa S. Trajectory of End-of-Life Medical and Long-Term Care Costs in Japanese Elderly: Analysis of a Large-Scale Linked Claims Database. WONCA APR Conference 2019, Kyoto, Japan. 15-18 May, 2019.

Kohori-Segawa H, Chencho D, Kunzang D, Ugyen W, Chimi D, Yankha D, Patou M, Teeranee T, Sonia Pilar S, Sakamoto R, Kihara Ono-M, Kihara M, Imanaka Y. A qualitative study on knowledge, perception and practice related to Non-Communicable Diseases in relation to Happiness among rural and urban residents in Bhutan. The18th Science Council of Asia Conference“Role of Science for Society: Strategies towards SDGs in Asia” Tokyo, Japan, 5-7 December 2018.

Kohori-Segawa H, Chencho D, Kunzang D, Ugyen W, Chimi D, Yankha D, Patou M, Teeranee T, Sonia Pilar S, Sakamoto R, Imanaka Y, Ono-Kihara M, Kihara M. End of Life Care in Bhutan in the context of rapid social changes and the cultural value of happiness. The 33rd Congress of Japan Association for International Health. Tokyo,Japan, 1-2 December 2018.

Bun S, Kunisawa S, Sasaki N, Fushimi K, Matsumoto K, Yamatani A, Imanaka Y. The concordance with antiemetic guideline for pediatric, adolescent and young adult (AYA) patients with cancer using a large-scale administrative database. The ESMO 2018 Congress: Germany. 19-23 October, 2018

Sasaki N, Okumura A., Yamaguchi N, Imanaka Y. Differences in the use of information technology infrastructure and clinical practice guidelines for evidence-based practice among physician subgroups. The International Society for Quality in Health Care 35th International Conference, Kuala Lumpur, Malaysia. 23-26 September, 2018

Lin HR, Imanaka Y. Predicting mortality based on the database combining health and long-term care: An indicator of quality in community integrated care systems. The International Society for Quality in Health Care 35th International Conference, Kuala Lumpur, Malaysia. 23-26 September, 2018.

Tsutsumi I, Yoshida C, Seki M, Komeno T,Kunisawa S, Fushimi K, Imanaka Y. Impact of oral voriconazole as prophylaxis during intensive chemotherapy for adult patients with acute myeloid leukemia: a retrospective cohort study using real world data of Japanese administrative database. 59th ASH Annual Meeting and Exposition, Atlanta, GA, USA. 9-12 December, 2017.

Lertjanyakun V, Chaiyakunapruk N, Kunisawa S, Imanaka Y. Cost-effectiveness of Second-line Endocrine Therapies in Postmenopausal Hormone Receptor-positive and Human Epidermal Growth Factor Receptor 2-negative Metastatic Breast Cancer in Japan. 2017 Kyoto Global Conference for Rising Public Health Researchers, Kyoto, Japan. 6-7 December, 2017.

Sasaki N, Okumura A, Yamaguchi N, Imanaka Y. International comparison of organized activities to promote practice guideline implementation. The International Society for Quality in Health Care 34th International Conference, London, UK. 1–4 October, 2017.

Tanke M,Feyman Y, Meyer GS, Jha A, Schull M, Wodchis W, Steventon A, Barker I, Deeny S, Jeurissen P, Wammes J, Pimperl A, Schulte T,Lange L, Groene O, Berna-Delgado E, Sasaki N, Imanaka Y. Kunisawa S. A Cross Country Comparison of Characteristics and Health Care Use of High-Cost Patients. Wennberg International Collaborative Fall Research Meeting, Oxford, UK. 11-13 September 2017. [Poster Presentation]

Nakabe T, Sasaki N, Uematsu H, Kunisawa S, Wimo A, Imanaka Y. Informal care cost and out-of-pocket payment to support people with dementia: their micro-level determinants in a large sample survey in Japan. 32nd International Conference of Alzheimer’s Disease International, Kyoto, Japan. 26-29 April, 2017.

Sasaki N, Okumura A, Yamaguchi N, Imanaka Y. Hospital information technology infrastructure affects quality of care. The International Society for Quality in Health Care 33rd International Conference, Tokyo, Japan. 16–19 October, 2016.

Sasaki N, Groenewoud S, Kunisawa S, Westert G, Imanaka Y. Public needs for information disclosure on healthcare performance: comparison between Japan and the Netherlands. Wennberg International Collaborative Fall Research Meeting, Oxford, UK. 12-14 September, 2016.

Groenewoud S, Sasaki N, Westert G, Imanaka Y. Preferences in end of life care substantially differ between the Netherlands and Japan. Wennberg International Collaborative Fall Research Meeting, Oxford, UK. 12-14 September 2016.

Nakabe T, Sasaki N, Uematsu H, Kunisawa S, Wimo A, Imanaka Y. Informal care costs and out-of-pocket payments for dementia care in Japan. 2016 Kyoto Global Conference for Rising Public Health Researchers, Kyoto, Japan. 14-15 December, 2016.

Hara K, Imanaka Y. Physician geographic distribution in Japan : is it improving or worsening when healthcare is adjusted? 2016 Kyoto Global Conference for Rising Public Health Researchers, Kyoto, Japan.14-15 December, 2016

Uematsu H, Kazuto Y, Kunisawa S, Fushimi K, Imanaka Y. Disease Burden of Antimicrobial-Resistant Infections in Japanese Inpatients. 2016 Kyoto Global Conference for Rising Public Health Researchers, Kyoto, Japan. 14-15 December, 2016.

Otsubo T, Kunisawa S, Sasaki N, Imanaka Y. Measuring regional variations in inpatient care and outcome for acute ischemic stroke: applications of Japan’s national claims database. The International Society for Quality in Health Care 33rd International Conference, Tokyo, Japan. 16–19 October, 2016.

Hara K, Imanaka Y. Physician geographic distribution in Japan: is it improving or worsening when healthcare demand is adjusted? The International Society for Quality in Health Care 33rd International Conference, Tokyo, Japan. 16–19 October, 2016

Hanaki N, Yamashita K, Kunisawa S, Imanaka Y. The effects of the number of ambulance request calls to hospitals on ambulance transportation times. The International Society for Quality in Health Care 33rd International Conference, Tokyo, Japan. 16–19 October, 2016.

Uematsu H, Kazuto Y, Kunisawa S, Fushimi K, Imanaka Y. Economic and clinical burden of antimicrobial-resistant infections in Japanese inpatients. The International Society for Quality in Health Care 33rd International Conference, Tokyo, Japan. 16–19 October, 2016.

Otsubo T, Imanaka Y. Regional variations in tissue Plasminogen Activator utilization for acute ischemic stroke patients and physician density in Japan. Wennberg International Collaborative Fall Research Meeting, Oxford, UK. 12-14 September, 2016.

Lertjanyakun V, Kunisawa S, Imanaka Y. Variation of data source used for baseline population and for natural course of alzheimer's disease progression in model-based economic evaluation of treatment of AD. ISPOR 7th Asia-Pacific Conference, Singapore. 3-6 September, 2016.

Hara K, Kuroki M, Imanaka Y. Correlates of Perceived Performance of "Community-Based Integrated Care" System. Kyoto Global Conference for Rising Public Health Researchers, Kyoto, Japan. 2-3 December, 2015.

Nakabe T, Imanaka Y. Designing and Developing Comparative Database of Regional Healthcare Plans in Japan. Kyoto Global Conference for Rising Public Health Researchers, Kyoto, Japan. 2-3 December, 2015.

Sasaki N, Imanaka Y. Okumura A, Yamaguchi N. Hospital Infrastructure of Information Technology and Physician Use of Clinical Practice Guidelines. The International Society for Quality in Health Care 32nd International Conference, Doha, Qatar. 4-7 October, 2015.

Lin H, Lo C, Otsubo T, Imanaka Y. Application of Machine Learning in Predicting Risk Factors of Care Needs Level Deterioration among Elderly with Dementia. The Fifth National Conference on Web Intelligence and Applications, I-Lan, Taiwan. 5-6 June, 2015.

Sasaki N, Ikai H, Fushimi K, Imanaka Y. Which really impacts the quality of care for acute heart failure— Hospital case volume or cardiologist team size? The International Society for Quality in Health Care 31th International Conference, Rio de Janeiro, Brazil. 5-8 October, 2014.

Morishima T, Tanaka M, Ukawa N, Otsubo T, Ikai H, Imanaka Y. Multicenter study of organizational culture and efficiency indicators of hospital management. The 10th World Congress of the International Health Economics Association, Dublin, Ireland. 13–16 July, 2014.

Lin H, Otsubo T, Imanaka Y. Association between long-term care service use, dementia, and the deterioration of care-needs levels among the elderly in Japan. The 10th World Congress of the International Health Economics Association, Dublin, Ireland. 13–16 July, 2014.

Iwashita Y, Yamashita K, Ikai H, Sanui M, Imai H, Imanaka Y. Current Practice of Mechanically Ventilated Patients Treated Outside the ICU in Japan 44th Critical Care Congress (Society of Critical Care Medicine), Phoenix, Arizona, US.17-21 Jan, 2015

Imanaka Y. Sasaki N, Ikai H, Yamaguchi N. Disease-specific evidence of higher quality of care in accredited hospitals: In the case of acute heart failure. The International Society for Quality in Health Care 31th International Conference, Rio de Janeiro, Brazil. 5-8 October, 2014.

Sasaki N, Ikai H, Fushimi K, Imanaka Y. Is a quality indicator biased by a cold climate? - In-hospital mortality in acute heart failure patients. The International Society for Quality in Health Care 30th International Conference, Edinburgh, Scotland, U.K.. 13-16 October, 2013.

Park S, Lee J, Ikai H, Otsubo T, Imanaka Y. The effects of cardiologist supply on mortality, healthcare spending, and length of stay: Evidence from acute myocardial infarction patients in Japan. The 9th World Congress of the International Health Economics Association, Sydney, Australia. 7–10 July, 2013.

Imanaka Y. Sugawara H, Kawakita H. Is a quality indicator biased by a cold climate? - In-hospital mortality in acute heart failure patients. The International Society for Quality in Health Care 30th International Conference, Edinburgh, Scotland, U.K.. 13-16 October, 2013.

Tanaka M, Otsubo T, Park S, Morishima T, Lee J, Hayashida K, Imanaka Y. Patient-Oriented Costing by Function Tracing: Theoretical Development and Practical Application. The 9th World Congress of the International Health Economics Association, Sydney, Australia, 7–10 July, 2013.

Tanaka M, Otsubo T, Hayashida K, Lee J, Imanaka Y. Development of Patient-Oriented Costing System by Function Tracing. The 13th Annual Conference of the Asian Academic Accounting Association, Kyoto, Japan, 9-12 November, 2012.

Imanaka Y. Hashimoto M, Hasegawa T, Kawakita H and Healthcare Accreditation Working Group. Impact and future of healthcare accreditation: fifteen-year achievement of JCQHC (Japan Council For Quality Health Care). The International Society for Quality in Health Care 29th International Conference, Geneva, Switzerland, 21-24 October, 2012.

Lee J, Otsubo T, Imanaka Y. Quality and Costs of Health Care for Acute Stroke in Japan. The International Society for Quality in Health Care 29th International Conference, Geneva, Switzerland. 21-24 October, 2012.

Otsubo T, Lee J, Ikai H, Imanaka Y. The effects of weekend and after-hours admissions on mortality in acute myocardial infarction patients in Japan. The International Society for Quality in Health Care 29th International Conference, Geneva, Switzerland. 21-24 October, 2012.

Kunisawa S, Lee J, Otsubo T, Ikai H, Imanaka Y. The Importance of Ambulance Utilization in the Administration of Tissue Plasminogen Activator to Acute Ischemic Stroke Patients. The 28th Patient Classification Systems International Conference, Avignon, France. 17-19 October, 2012.

Park S, Lee J, Ikai H, Otsubo T, Ukawa N, Imanaka Y. The Association between Quality of Care and Hospital Spending in Patients with Acute Myocardial Infarction: Evidence from Japan. The 4th Biennial Conference of the American Society of Health Economists, Minneapolis, Minnesota, USA. 10–13 June, 2012.

Morishima T, Ikai H, Imanaka Y. Cost-effectiveness of omalizumab for the treatment of adults with moderate to severe persistent asthma: results from a randomized controlled trial in Japan. The 33rd Annual Meeting of the Society for Medical Decision Making, Chicago, IL, USA. 24-26 October, 2011.

Lee J, Imanaka Y. Estimation of the Cost of Hospital-Acquired Infections in Gastrectomy Patients: An Exploration of Methodology. The 27th Patient Classification Systems International Conference, Montreal, Canada. 19-22 October, 2011.

Okuma K, Sekimoto M, Imanaka Y. The Change of Diagnostic and Treatment Patterns of Acute Cholangitis in Japan from 2004 to 2009 -The inspection in using of administrative data for impact of the clinical guideline. 9th Congress of European Hepato-Pancreato-Biliary Association, Cape Town, South Africa. 12-16 April, 2011.

Lee J, Imanaka Y. Sekimoto M, Nishikawa H, Ikai H, Motohashi T. The validation of a novel method for identifying healthcare-associated infections. ISPOR 4th Asia-Pacific Conference, Phuket, Thailand. 5-7 September, 2010.

Sekimoto M, Imanaka Y. Shirai T, Sasaki H, et al. Risk-adjusted assessment of blood product use in acute-care hospitals in Japan: an analysis using administrative data. 25th PCSI Conference, Fukuoka, Japan. 11-14 November, 2009.

Otsubo T, Imanaka Y. Lee J, Hayashida K, Matsuda S. Determinants of ratio of charge to cost based on a patient classification cost database: the case of percutaneous coronary intervention and gastrectomy. 25th PCSI Conference, Fukuoka, Japan. 11-14 November, 2009.

Tanaka M, Sekimoto M, Imanaka Y. Development of a method for assessing operation room management based on Diagnosis Procedure Combination E and F-File data. 25th PCSI Conference, Fukuoka, Japan. 11-14 November, 2009.

Motohashi T, Sekimoto M, Imanaka Y. Institutional Structures and Process of Care Associated with The Length of Hospital Stay in Elderly Patients with Hip Fractures. -Analysis of Diagnosis Procedure Combination(DPC) Data-. 25th PCSI Conference, Fukuoka, Japan. 11-14 November, 2009.

Umegaki T, Sekimoto M, Imanaka Y. Physician Staffing Patterns and Costs of Septic Patients in Intensive Care Units. 25th PCSI Conference, Fukuoka, Japan. 11-14 November, 2009.

Hirose M, Takemura T, Oh EH, Egami K, Shima H, Imanaka Y. Kuroda T, Yoshihara H. Comparison Among Three Teaching Hospitals In Japan Regarding Incident Reports Including Drug Names. ISPOR 12th Annual European Congress, Paris, 24-27 October, 2009.

Fukuda H, Imanaka Y. Hirose M, Hayashida K. Evaluation of the impact of patient safety activities on the number of voluntary incident reports at teaching hospitals in Japan. In proceedings of the 13th Annual Meeting on International Society For Pharmacoeconomics & Outcome Research: 5-7 May 2008; Toronto.

Fukuda H, Imanaka Y. Ishizaki T. Change in the use of breast conserving surgery before and after guideline publication in Japan. In proceedings of the 13th Annual Meeting on International Society For　Pharmacoeconomics & Outcome Research: 5-7 May 2008; Toronto.

Hayashida K, Imanaka Y.Murakami G, Otsubo T, Assessment of Intensive Care Unit (ICU) functionality by patient acuity in Japan: A pilot study. The 23rd Patient Classification Systems International Conference, Venice, 7 – 10 November, 2007.

Otsubo T, Hayashida K, Imanaka Y. Supply-demand balance and diffusion of high-cost medical devices in Japan: an estimation based on casemix classification. The 23rd Patient Classification Systems International Conference, Venice, 7 – 10 November, 2007.

Anan M, Kuwabara K, Hisatomi Y, Fushimi K, Hashimoto H, Imanaka Y. Hayashida K, Horiguchi H, Ishikawa KB, Matsuda S, Fujimori K, Ikeda S, Akioka M, Shibata M. Correlating ICD-10 Coding with DPC Coding in Japan. The 23rd Patient Classification Systems International Conference, Venice, 7 – 10 November, 2007.

Ishikawa KB, Fushimi K, Hashimoto H, Horiguchi H, Kuwabara K, Imanaka Y. Hayashida K, Anan M, Matsuda S. Building a large-scale data warehouse for episode of care analysis. The 23rd Patient Classification Systems International Conference, Venice, 7 – 10 November, 2007.

Kuwabara K, Matsuda S, Imanaka Y. Fushimi K, Hashimoto H, Ishikawa K.B, Horiguchi H, Anan M, Hayashida K., Fujimori K., Ikeda S. Refinement of the Diagnosis Procedure Combination Payment System. The 23rd Patient Classification Systems International Conference, Venice, 7 – 10 November, 2007.

Hayashida K, Imanaka Y. Fukuda H. The annual activity volume and manpower cost for incident reporting systems in eight Japanese acute care teaching hospitals. The 24th International Conference on International Society for Quality in Health Care, Boston, U.S.A., 30 September - 3 October, 2007.

Fukuda H, Hirose M, Imanaka Y. Hayashida K. Relationship between the system design of incident reporting and the number of reports. The 24th International Conference on International Society for Quality in Health Care, Boston, U.S.A., 30 September - 3 October, 2007.

Kobuse H, Imanaka Y, Murakami G, Ishizaki T, Sekimoto M, Hirose M, Hayashida K. Development and validation of the hospital safety culture questionnaire. The 24th International Conference on International Society for Quality in Health Care, Boston, U.S.A., 30 September - 3 October, 2007.

Imanaka Y. Hayashida K. Fukuda H, Otsubo T, Kuwabara K, Matsuda S, Fushimi K, Ishikawa KB, Hashimoto H, Horiguchi H, Anan B. Cost versus price in the Japanese payment system through hospital patient casemix classification. The 22nd Patient Classification Systems International Conference, Singapore, October 11-14, 2006.

Hayashida K, Imanaka Y. Otsubo T, Fukuda T, Kuwabara K, Matsuda S, Fushimi K, Ishikawa KB, Hashimoto H, Horiguchi H, Anan B. The Japanese casemix classification project: The development and analysis of a cost database. The 22nd Patient Classification Systems International Conference, Singapore, October 11-14, 2006.

Fukuda H, Imanaka Y. Hayashida K. The number of incident reports and the volume of human resources for patient safety. ISQua’s 23rd International Conference, London: UK, October 22-25, 2006.

Oh EH, Hirose M, Takemura T, Yoshihara H, Ishizaki T, Imanaka Y. Economic effects of financial incentives on the medical safety countermeasure in Japan: In terms of health care expenditure. ISQua’s 23rd International Conference, London: UK, October 22-25, 2006.

Hirose M, Gawande AA, Lipsita S, Takemura T, Yoshihara H, Ishizaki T, Oh EH, Imanaka Y. Lagtime in incident reporting at a university hospital in Japan. ISQua’s 23rd International Conference, London: UK, October 22-25, 2006.

Takemura T, Hirose M, Okamoto K, Kuroda T, Imanaka Y. Ishizaki T, Yoshihara H. Automatic classification of Incident reports based on Examples of Words in reports: Using Machine Learning Technique of Natural Language Processing. ISQua’s 23rd International Conference, London: UK, October 22-25, 2006.

Sekimoto M. Tokyo Guidelines: Reach a global consensus on the management of acute cholangitis and cholecystitis. International Consensus Meeting for the Management of Acute Cholecystitis and Cholangitis. April 1st, 2006. Tokyo.

Fushimi K., Ishikawa KB, Hashimoto H., Horiguchi H., Kuwabara K, Imanaka Y. Hayashida K, Anan M, Akioka M, Hisatomi Y, Ueda K, Matsuda S. Assessment of clinical process variance by DPC administrative data. The 22nd Patient Classification Systems International Conference, Singapore, 11-14 October, 2006.

Matsuda S, Fushimi K, Hashimoto H, Imanaka Y. Kuwabara K, Horiguchi H, Ishikawa KB, Anan M, Hayashida K, Fujimori K. JAPAN CASE MIX PROJECT – A TRIAL OF DPC BASED CLINICAL STUDY. The 22nd Patient Classification Systems International Conference, Singapore, 11-14 October, 2006.

Anan M, Kuwabara K, Hisatomi Y, Fushimi K, Hashimoto H, Imanaka Y. Hayashida K, Horiguchi H, Ishikawa KB, Akioka M, Ueda K, Matsuda S. ICD10 CODE MODIFICATION CORRESPONDING TO DPC SYSTEM IN JAPAN. The 22nd Patient Classification Systems International Conference, Singapore, 11-14 October, 2006.

Matsuda S, Fushimi K, Hashimoto H, Imanaka Y. Kuwabara K, Horiguchi H, Ishikawa KB, Anan M, Hayashida K, Fujimori K. JAPAN CASE MIX PROJECT – A TRIAL OF DPC BASED HOSPITAL MANAGEMENT BY BSC －. The 22nd Patient Classification Systems International Conference, Singapore, 11-14 October, 2006.

Horiguchi H, Hashimoto H, Anan M, Akioka M, Kuwabara K, Fushimi K, Ishikawa KB, Imanaka Y. Hayashida K, Hisatomi Y, Ueda K, Matsuda S. CODING PATTERNS IN THE CASES WITH COEXISTING CONDITIONS UNDER THE JAPANESE CASE MIX SYSTEM. The 22nd Patient Classification Systems International Conference, Singapore, 11-14 October, 2006.

Ishikawa KB, Fushimi K, Hashimoto H, Horiguchi H, Kuwabara K, Imanaka Y. Hayashida K, Anan M, Hisatomi Y, Ueda K, Matsuda S. DPC PORTFOLIO SUITE. The 22nd Patient Classification Systems International Conference, Singapore, 11-14 October, 2006.

Fukuda H, Imanaka Y, Sekimoto M, Mihara H, Hayashida K. Manpower costs to maintain the quality system of a hospital: A case of infection control and prevention. In proceedings of the 22nd International Conference on International Society for Quality in Health Care: 25-28 Oct 2005:164; Vancouver.

Hirose M, Takemura T, Adachi Y, Kuwabara Y, Imanaka Y, Kuroda T, and Yoshihara H. By extracting “Key Words” from incident reports about medication errors by profession at a national university hospital in Japan. ISQua’s 22nd International Conference, Vancouver: Canada, October 25-28, 2005.

Kobuse H. Influence of organisational culture on evidence-based practices in infection control and prevention in Japanese teaching hospitals. ISQua’s 22nd International Conference, Vancouver: Canada, October 25-28, 2005.

Fukuda H. Manpower costs to maintain the quality system of a hospital: A case of infection control and prevention. ISQua’s 22nd International Conference, Vancouver: Canada, October 25-28, 2005.

Sekimoto M. Impact of hospital accreditation on infection control programs in teaching hospitals in Japan. . ISQua’s 22nd International Conference, Vancouver: Canada, October 25-28, 2005.

Mihara H, Imanaka Y, Ishizaki T, Sekimoto m. Need of Practice Pattern Information Disclosure for Primary Physicians: In case of Myoma Uteri. World Organization of Family Doctors(WONCA), Kyoto: Japan, May 27-31, 2005..

Hirose M. Patient Safety System in Japan and Experience Sharing. 2004 Department of Health Taipei City Government Patient Safety Symposium, Taipei, Taiwan, November 8, 2004.

Hirose M, Adachi Y, Kuwabara Y, Tanaka K, Imanaka Y, Ishizaki T, Evans E. Gaps in patient safety culture change by professions: observations from the incident reporting system at a national university hospital. The 21th International Conference of the International Society for Quality in Health Care, Amsterdam, Netherlands, October19-22, 2004.

Oh E, Imanaka Y. Determinants of the diffusion of CT and MRI. 2004 HTAi [Health Technology Assessment International] Annual Meeting, Krakow: Poland, May 30–June 2, 2004.

Sekimoto M, Imanaka Y. Practice variation in perioperative antibiotic prophylaxis in Japan. The 20th ISQua International Conference on Quality in Health Care, Dallas: USA, November 3-6, 2003.

Hirose M, Imanaka Y, Ishizaki T, and Evans E. Profiling hospital performance of laparoscopic cholecystectomy based on administrative data. The 20th ISQua International Conference on Quality in Health Care, Dallas: USA, November 3-6, 2003.

Oh E, Imanaka Y and Ishizaki T. The pharmaceutical market of Japan: A balance of trade. International Society for Pharmacoeconomics and Outcomes Research 1st Asia-Pacific Conference, Kobe:Japan, September 1-3, 2003

Oh E, Imanaka Y, Ishizaki T, Hayashida K. Impact of payment systems on the diffusion of medical technology. The 19th International Meeting of the International Society for Technology Assessment in Health Care. Canmore: Canada, June 22-25, 2003.

Imanaka Y, Hayashida K, Nakatani I, Kuwabara K. Validation of a theory-based costing methodology through simulation in a virtual hospital: Towards a standardized model of patient-level costing with two-dimensional components. The 4th World Congress of International Health Economics Association. San Francisco: U.S.A., June 15th - June 18th, 2003

Oh E, Imanaka Y, Ishizaki T. What we have misunderstood of the high rate of out-of-pocket payments in health care systems. International Society for Pharmacoeconomics and Outcome Research 8th Internationa Meeting, Arlington: U.S.A, May 18-21, 2003.

Ishizaki T, Imanaka Y, Oh E. The association of comorbidity with hospital use among hip fracture patients in Japan. 55th Annual Scientific Meeting of the Gerontological Society of America. Boston: U.S.A, November 22-26, 2002.

Imanaka Y. Towards effective development of healthcare accreditation standards: Experience of Japan Council for Quality Health Care. ISQua International Conference, Paris:France, September 6-8, 2002.

Imanaka Y, Ishizaki T, Kuwabara K. Sources of resource use variation in coronary interventions in Japanese hospitals. International Society for Quality in Health Care 19th International Conference. Buenos Aires: Argentine, October 1-5, 2001 ( p.p.86-87 in the proceedings)

Imanaka Y, Ogawa T, Ishizaki T, Ishikawa KB, Yamaguchi N, Kameda T. Resource Use Variation in Hospital Care for Breast Cancer in Japan.[presented by Ishizaki T] International Health Economics Association Third International Conference. York: UK, July 22 - 25, 2001. ( p.109 in the proceedings)

Imanaka Y. Patient safety and healthcare accreditation. Patient Safety Symposium in International Society of Quality of Life Research 1st Pan-Pacific Conference, Tokyo, April 14, 2001.

Imanaka Y. Integration of accreditation, ISO9001 and management quality award frameworks into a medical center: Realization of universal model. International Society for Quality in Health Care 18th International Conference, Dublin: Ireland, September 11-14, 2000.

Imanaka Y. Healthcare Quality and Economics in Japan:Visualization and Reform. The 5th Korea Healthcare Congress 2014, Seoul, 14 November 2014.

Imanaka Y. How to balance the health care needs and the regional system & "The Importance of databases". OECD Reviews of Health Care Quality: JAPAN. Tokyo, 5 November 2014.

Imanaka Y. Variation in Mechanism of Variation in Quality of Care: Towards Evidence-Informed Policy & System Design. Wennberg International Collaborative, London, 18 September 2014.

Imanaka Y. Otsubo T, Park S, Lee J, Sasaki N. Case volume or resource volume, which really matters? Looking into mechanisms of variation in quality of health care. Wennberg International Collaborative. Dartmouth College, 16-18 October 2013.

Imanaka Y. Accreditation 3.0: The journey for “Sustainability Quality.” Healthcare Accreditation Forum for Asian Countries Taipei:Taiwan, 12 July, 2013.

Imanaka Y. The casemix classification system in Japan: database for quality, costing, planning, and payment. International Symposium of DRG, Hallym University-Seoul:Korea, 13 May, 2013.

Imanaka Y. Healthcare Accreditation and Quality Issues in Japan. Consultation on the Health Care Quality Improvement Network in the Asia-Pacific Region (WHO and OECD). WHO Regional Office for the Western Pacific Manila, Philippines 27- 28 November 2012.

Imanaka Y. Otsubo T, Lee J, Park S, Ikai H. Determinants of quality, cost and access variation in cerebral and cardiovascular care. Wennberg International Collaborative. London, 10-12 September 2012.

Imanaka Y. Otsubo T, Lee J, Park S. Practice Variation among Providers and Regions in Japan: Status, Cause and Policy. Wennberg International Collaborative. London, 11-13 September 2011.

Imanaka Y. Economics and Policy on Quality of Care in Japan. Workshop on Public Health: Health Policy,Legal Issues and Trade. Taipei: Taiwan, July 23 - 24, 2009.

Imanaka Y. Accreditation Impact on Healthcare Quality:Evidence and Economics. International Hospital Federation 35th World Hopital Congress. Seoul: Korea, November6-8, 2007.

Imanaka Y. How do you answer the question? Does Accreditation improve the Quality of Care? ISQua Accreditation Symposium. London: UK, October 22, 2006.

Imanaka Y. Macro and micro costing of atherosclerosis-related diseases in the Japanese health care system. The XIIIth International Symposium on Atherosclerosis Kyoto: Japan, September 28 - October 2, 2003.

Imanaka Y. Quality Improvement in Health Care in Japan. Taiwan Department of Health. April 11, 2003.

Imanaka Y. Hospital Accreditation System in Japan and how it focuses on the patient safety and patient centered. Taiwan Joint Commission on Accreditation of Hospitals. April 12, 2003.

Imanaka Y. OECD NEHRT Meeting. March 17-18, 2003.

Imanaka Y. Towards effective development of healthcare accreditation standards: Experience of Japan Council for Quality Health Care. ISQua International Conference, Paris:France, Sep.2002.

Imanaka Y. Accreditation in Japan. APEC Conference. Oakbrook: USA, 2002

Imanaka Y. Methodology. APEC Conference. Oakbrook: USA, 2002. (web site)

Imanaka Y. Global Study on experiences in hospital sector reform in Western Pacific Region. Second consultative meeting of principal investigators. WHO Expert Consultative Meeting, Geneva: Switzerland, Sep.2002.

Imanaka Y. OECD ARD Final Meeting. 2002. (web site)

Imanaka Y. Oh E, Ishizaki T. Technology and epidemiology of hip fracture in Japan. Technological Change in Healthcare (TECH) Network - Hip Fracture Project. Hawaii: USA, Sep.2000.

Imanaka Y. Hospital Learning Process.Workshop for New and Emerging Accreditation Programs, The International Society for Quality In Health Care 18th International Conference, Dublin, Ireland: Sep.2000.

Imanaka Y. Ishizaki T. Technology in acute myocardial infarction in Japan. Technological Change in Healthcare (TECH) Network - 2nd International Conference. Stanford: USA, Sep.2000.

Imanaka Y. Treatment, cost and outcomes of ischaemic heart disease in Japan. Expert conference for OECD study of cross-national differences in the treatment,cost and outcomes of ischaemic heart disease. Paris: France OECD Jun.2000.

Imanaka Y. Treatment, cost and outcomes of breast cancer in Japan. Expert conference for OECD study of cross-national differences in the treatment,cost and outcomes of breast cancer, OECD Sep.2000.

Imanaka Y. Treatment, cost and outcomes of stroke in Japan. Expert conference for OECD study of cross-national differences in the treatment,cost and outcomes of stroke, OECD Dec.2000.

Imanaka Y. Global Study on experiences in hospital sector reform First consultative meeting of Principal investigators.

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