Japan Cardiovascular Surgery Database

Japan Cardiovascular Surgery Database
Name	Japan Cardiovascular Surgery Database
Formation	2000s
Type	Medical registry
Headquarters	Tokyo
Region served	Japan
Parent organization	Japanese Association for Thoracic Surgery

Japan Cardiovascular Surgery Database is a national clinical registry for cardiovascular surgical procedures in Japan, established to record, analyze, and improve outcomes for patients undergoing cardiac and thoracic surgery. It aggregates case-level data from hospitals across Tokyo, Osaka, Kyoto, Hokkaido, and other prefectures, supporting benchmarking, quality improvement, and clinical research connected to institutions such as University of Tokyo Hospital, Osaka University Hospital, and Kyushu University Hospital. The database interfaces with professional bodies including the Japanese Association for Thoracic Surgery, international collaborators such as the Society of Thoracic Surgeons and the European Association for Cardio-Thoracic Surgery, and academic publishers like The Lancet and The New England Journal of Medicine for dissemination of findings.

Overview

The registry captures perioperative and outcome variables for procedures performed by cardiac surgeons affiliated with organizations such as Juntendo University, Tohoku University, Nagoya University, Keio University Hospital, and specialty centers like St. Luke's International Hospital. It supports benchmarking against datasets maintained by the Society of Thoracic Surgeons and multicenter repositories such as the National Surgical Quality Improvement Program and the EuroSCORE project. Stakeholders include professional societies (Japanese Circulation Society), regulatory bodies like the Ministry of Health, Labour and Welfare (Japan), academic centers (Osaka City University), and payer institutions including Japan Health Insurance Association.

History and Development

Initiation drew on international models such as the Society of Thoracic Surgeons National Database and historical registries maintained by institutions like Mayo Clinic and Cleveland Clinic. Early development involved leaders from Keio University, University of Tokyo, and Kyoto University collaborating with the Japanese Association for Thoracic Surgery and the Japanese Circulation Society to define core variables, case definitions, and reporting standards. Milestones include adoption of standardized data dictionaries influenced by the American College of Cardiology and the integration of risk models comparable to EuroSCORE II and the STS Predicted Risk of Mortality Model.

Structure and Governance

Governance is provided by a steering committee composed of representatives from universities such as Hiroshima University and Tohoku University, specialty societies including the Japanese Association for Thoracic Surgery and the Japanese Circulation Society, and hospital leaders from centers like Kobe University Hospital. Operational management involves data coordinating centers akin to those at Kyushu University and Osaka University, with advisory input from ethicists from Keio University and statisticians with ties to The University of Tokyo. Financial support and oversight have intersected with national agencies including the Ministry of Health, Labour and Welfare (Japan) and research funders such as Japan Society for the Promotion of Science.

Data Collection and Quality Control

Case-level capture follows protocols similar to registries at Johns Hopkins Hospital and quality-control frameworks used by Cleveland Clinic, using standardized forms, electronic data capture platforms, and automated validation rules. Variables include demographics, comorbidities, procedure codes aligned with international classifications used at Harvard Medical School affiliates, intraoperative details, complications, and 30-day and 1-year outcomes. Quality assurance features mirror practices from Society of Thoracic Surgeons audits and EuroSCORE validations, with site visits to tertiary centers such as Nagoya University Hospital and inter-rater reliability exercises led by methodologists from Osaka University and Kyoto University.

Research, Outcomes and Impact

Analyses drawn from the database have informed clinical guidelines published by the Japanese Circulation Society and influenced practice at institutions like Sapporo Medical University Hospital and Fukuoka University Hospital. Comparative outcome studies have been presented at meetings of the American Association for Thoracic Surgery and the European Society of Cardiology and published in journals including Circulation and The Journal of Thoracic and Cardiovascular Surgery. The registry has enabled risk-adjusted benchmarking, identification of variation across centers including University of Tsukuba Hospital, and quality-improvement initiatives modeled on programs from Society of Thoracic Surgeons and National Quality Forum frameworks.

Participation and Training

Participation requires credentialing comparable to processes at Mayo Clinic and cooperative agreements with university hospitals including Osaka City University Hospital and Tohoku University Hospital. Training programs for data managers and surgeons draw on curricula from Keio University and workshops conducted with faculty from Kyoto University and Nagoya University Hospital. Continuing professional development activities coordinate with meetings of the Japanese Association for Thoracic Surgery and international symposia such as the World Congress of Cardiology.

Privacy, Ethics, and Data Access

Privacy protections align with national regulations overseen by the Ministry of Health, Labour and Welfare (Japan) and ethical review standards followed by institutional review boards at University of Tokyo Hospital and Osaka University Hospital. Data access policies balance institutional review processes used at Mayo Clinic and Johns Hopkins Hospital with transparency expectations from funders such as the Japan Society for the Promotion of Science. Controlled access mechanisms permit approved researchers from universities including Keio University, Kyushu University, and international partners like Harvard Medical School to conduct analyses while preserving patient confidentiality.

Category:Medical registries in Japan