BME 341: Health Care Operations and Practice - Health Systems
Estimated study time: 8 minutes
Table of contents
Sources and References
Primary texts — Marchildon, Allin, and Merkur, Canada: Health System Review (European Observatory on Health Systems and Policies, open access). Deber, Treating Health Care: How the Canadian System Works and How It Could Work Better (University of Toronto Press).
Supplementary texts — Shi and Singh, Delivering Health Care in America: A Systems Approach, 8th ed. (Jones & Bartlett). Chin and Klein, Biomedical Engineering: A Primer for the Biomedical Professional (World Scientific).
Online resources — Canadian Institute for Health Information (CIHI) open data and reports. Health Canada guidance on medical devices (Medical Devices Regulations SOR/98-282). Canada Health Infoway open standards. WHO Global Strategy on Digital Health. OECD Health at a Glance series.
Chapter 1: The Canadian Health Care System
1.1 History and Constitutional Structure
Canada’s single-payer, publicly funded, privately delivered system emerged from the 1947 Saskatchewan hospital insurance plan through the 1966 Medical Care Act and the 1984 Canada Health Act. Health is constitutionally a provincial responsibility; the federal government exerts influence through transfer payments conditioned on the five CHA principles: public administration, comprehensiveness, universality, portability, and accessibility.
1.2 Federal, Provincial, and Local Roles
The federal government regulates pharmaceuticals and medical devices (Health Canada), funds health research (CIHR), and administers First Nations, Inuit, military, veteran, and federal-inmate health. Provinces plan and fund hospital and physician services, long-term care, home care, and public health. Regional health authorities and integrated delivery networks coordinate service delivery within provinces.
1.3 System Actors
Hospitals, community clinics, long-term care facilities, home-care agencies, public health units, pharmacies, and diagnostic laboratories form the delivery network. Professional colleges regulate providers. Procurement bodies (e.g., HealthPRO, Medbuy) aggregate purchasing. Patient-advocacy groups and research institutions complete the ecosystem.
Chapter 2: Health Care Financing and Operations
2.1 Financing Models
Hospital operating budgets transitioned from global (historic, inflation-adjusted) to activity-based (case-mix funded) models in several provinces. Physician services are reimbursed by fee-for-service schedules, capitation in some primary-care models, or alternative payment plans in academic settings. Private insurance covers most prescription drugs outside hospitals, dental, vision, and supplemental services, producing a public–private mix uncommon among single-payer systems.
2.2 Operations Research in Health Care
Queueing models, discrete-event simulation, and linear programming are used for bed management, operating-room scheduling, staff rostering, and emergency-department flow. A basic M/M/c queue model for emergency-department arrivals gives expected wait:
\[ W_q = \frac{P_0 (c\rho)^c \rho}{c!\,(1-\rho)^2 c\mu} , \]with utilization \( \rho = \lambda/(c\mu) \). Such models support capacity decisions and reveal nonlinear sensitivity: crowding grows rapidly as utilization approaches 1.
Chapter 3: Electronic Health Records and Information Exchange
3.1 Architecture of Digital Health
Electronic health records (EHRs) can be institutional (hospital-based), longitudinal (per-patient across institutions), or regional. Canada Health Infoway defines blueprint architecture components: client registry, provider registry, terminology services, drug information system, diagnostic imaging repository, and laboratory information system.
3.2 Standards
Interoperability relies on stacked standards: HL7 v2 messaging, HL7 FHIR resources (modern, web-native), SNOMED CT and ICD-10-CA for clinical terminology, LOINC for laboratory observations, DICOM for imaging. Implementation guides constrain resources to specific clinical contexts; terminology bindings fix which codes are valid.
3.3 Privacy and Security
Federal PIPEDA and provincial acts (PHIPA in Ontario, PIPA in BC and Alberta) govern personal health information. Principles include consent, purpose limitation, data minimization, accuracy, safeguarding, and breach notification. Technical controls implement the principles through access-control lists, audit logs, encryption at rest and in transit, and de-identification for secondary use.
Chapter 4: Procurement and the Medical Device Market
4.1 Health Authority Procurement
Hospitals procure medical devices through group purchasing organizations or direct tenders. Evaluation criteria span price, clinical performance, safety record, service levels, training, and total cost of ownership. Request-for-proposal processes impose fairness rules; public-sector procurement is subject to trade agreements (CETA, CPTPP, CFTA) that constrain preferences.
4.2 Device Classification and Licensure
Health Canada classifies medical devices by risk — Class I (lowest) through IV (highest) — based on invasiveness, duration, and active/non-active status. Licensing, quality-system certification (ISO 13485), and mandatory incident reporting define the regulatory envelope. Devices reimbursable by provincial formularies undergo additional technology-assessment review.
4.3 Health Technology Assessment
CADTH (Canadian Agency for Drugs and Technologies in Health) and INESSS (Quebec) evaluate clinical and economic evidence for drugs and devices. Cost-effectiveness is reported as incremental cost-effectiveness ratio \( \mathrm{ICER} = \Delta C/\Delta E \), commonly in dollars per quality-adjusted life-year:
\[ \mathrm{QALY} = \int_0^T Q(t)\, S(t)\, dt , \]with health utility \( Q(t) \in [0,1] \) and survival function \( S(t) \). Thresholds of $50,000–100,000/QALY guide but do not dictate adoption.
Chapter 5: Quality, Safety, and Performance
5.1 Quality Frameworks
The IHI Triple Aim — improved population health, better patient experience, lower per-capita cost — has expanded to the Quintuple Aim including workforce wellness and health equity. Accreditation Canada and ISQua international standards define structural, process, and outcome measures. The Canadian Patient Safety Institute and Healthcare Excellence Canada coordinate improvement initiatives.
5.2 Adverse Events and Safety Culture
Canadian Adverse Events Study (2004) reported 7.5% of hospitalizations involved an adverse event; roughly one-third were preventable. Root-cause analysis and Failure Modes and Effects Analysis (FMEA) identify contributory factors. The move from a blame culture to a just culture aligns accountability with learning, echoing aviation safety practice.
5.3 Human Factors in Clinical Settings
Clinical workflows are high-workload, interruption-rich environments. Device design, alarm management, and usability testing (IEC 62366) determine whether well-intentioned interventions produce actual improvement or unintended harm. Biomedical engineers bridge device design and clinical workflow, ensuring technical specifications align with clinical reality.
Chapter 6: Integration and Future Directions
6.1 Integrated Care
Chronic-disease prevalence drives reorganization around disease-management pathways and population-based care. Ontario Health Teams, British Columbia Primary Care Networks, and similar structures attempt to integrate primary, specialty, community, and home care around the patient rather than the institution.
6.2 Data-Driven Health
Clinical data warehouses, health-system performance dashboards, and predictive analytics (readmission risk, sepsis alerts, imaging AI) are mature and operationalized. The governance challenges — bias, validation, deployment monitoring, accountability — increasingly parallel the technical ones. ISO/IEC 23053 (AI framework) and proposed EU AI Act extend medical-device regulation into machine-learning-enabled devices.
6.3 Biomedical Engineering Practice
Hospital biomedical engineering departments manage clinical-engineering operations: equipment commissioning, preventive maintenance, incident investigation, user training, and technology planning. ISO 14971 risk management and IEC 62304 software lifecycle intersect with institutional policy. Biomedical engineers advise on procurement, integration, and retirement, and increasingly lead digital-health programs that cross clinical, IT, and regulatory boundaries.
