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CM12.1-2 | CM12.1-2 | Geriatric Services and Health Problems — SDL Guide (Part 3)
Principles of Geriatric Service Delivery
Designing effective geriatric services requires moving beyond the one-disease–one-specialist model of acute medicine and adopting principles suited to the multi-dimensional nature of geriatric need. Six principles underpin geriatric service delivery worldwide and are explicitly incorporated into India's national geriatric programme (discussed in the next SDL module).
Principle 1 — Comprehensive Geriatric Assessment (CGA) as the entry point. CGA is the multidisciplinary process described in the definitions section above. It establishes baseline functional, medical, cognitive, and social status; identifies treatable problems (many of which are overlooked in a disease-focused consultation); and produces an integrated care plan. Studies consistently show CGA-based care reduces hospital admissions, nursing home placement, and mortality vs usual care.
Principle 2 — Multidisciplinary team (MDT) model. Geriatric care requires at minimum: a physician (geriatrician or trained GP), a nurse (assessment, medication management), a physiotherapist (mobility, falls prevention), an occupational therapist (ADL assessment, home modification), and a social worker (support services, elder abuse screening). At tertiary level, a pharmacist (polypharmacy review), psychologist, speech therapist, and dietitian are added.
Principle 3 — Continuity across levels of care. Geriatric services must span community (outreach, home visits, village health days), primary (PHC-based geriatric OPD, screening), secondary (district hospital geriatric ward), and tertiary (medical college regional geriatric centre) levels — with smooth referral pathways and feedback loops. Fragmentation is the chief failure mode: elderly patients admitted to hospital lose connection with primary care, lose medications, and decompensate on return home.
Principle 4 — Prevention of avoidable decline. The geriatric service model explicitly includes fall prevention programmes, vaccination (influenza, pneumococcal), malnutrition screening, polypharmacy review (deprescribing), and carer support as core services — not add-ons.
Principle 5 — Rehabilitation as a right, not a bonus. Rehabilitation — physiotherapy, speech therapy, occupational therapy — to maximise residual function after stroke, fracture, or major illness is a core geriatric service, not an optional extra.
Principle 6 — Integration of palliative care. End-of-life planning, symptom control, and dignified dying are legitimate and essential components of geriatric services for those with advanced irreversible disease.
Monitoring Indicators for Elderly Health
Monitoring the health of elderly populations and the performance of geriatric services requires a defined set of indicators. These fall into three categories: population-level burden indicators, service coverage indicators, and outcome indicators.
Population-level burden indicators measure the health status of elderly populations and track trends over time. The most important include: (i) old-age dependency ratio — elderly per 100 working-age adults, tracking the economic and caregiving pressure on society; (ii) elderly-specific disability-adjusted life-years (DALYs) lost — capturing the combined burden of premature death and disability in those ≥60 years; (iii) proportion of elderly with functional limitations (ADL/IADL impairment) — the LASI survey is India's primary data source; and (iv) prevalence of multi-morbidity in the elderly — a direct measure of disease burden and healthcare complexity.
Service coverage indicators measure whether elderly people are receiving organised geriatric care: (i) percentage of elderly with access to a dedicated geriatric OPD within 30 km; (ii) number of geriatric specialist physicians per 100,000 elderly (critically low in India); (iii) coverage of NPHCE services at district level; (iv) proportion of elderly receiving an annual comprehensive health check-up.
Outcome indicators evaluate the effectiveness of services: (i) fall-related injury and hospitalisation rates in the elderly; (ii) rates of avoidable hospital readmissions within 30 days; (iii) prevalence of uncontrolled hypertension and diabetes in elderly receiving primary care; (iv) rates of untreated depression and undiagnosed dementia in community settings.
India's national commitment to the Decade of Healthy Ageing (2021–2030) — a WHO initiative — provides the overarching monitoring framework. Key targets include eliminating ageism, optimising functional ability, delivering age-friendly integrated care, and developing sustainable long-term care systems.
CLINICAL PEARL
The 'Geriatric Presentation Paradox': In elderly patients, serious disease often presents atypically — or does not present at all until it has caused functional collapse. A urinary tract infection in a 30-year-old produces dysuria and fever; in an 85-year-old, the same infection may present only as acute confusion, a fall, or refusal to eat. Myocardial infarction in elderly women often occurs without chest pain ('silent MI'). Hyperthyroidism in the elderly presents as 'apathetic hyperthyroidism' — exhaustion and weight loss without the typical adrenergic features. The lesson: when an elderly patient's function changes suddenly, always look for a treatable acute medical cause rather than attributing the change to 'ageing.' This vigilance is the single most important clinical skill in geriatric practice.
SELF-CHECK
Which of the following BEST describes the concept of 'frailty' in geriatric medicine?
A. Having three or more chronic diseases simultaneously
B. A state of increased vulnerability to stressors due to cumulative decline across multiple physiological systems
C. Functional dependence for all basic activities of daily living
D. Being over the age of 80 years
Reveal Answer
Answer: B. A state of increased vulnerability to stressors due to cumulative decline across multiple physiological systems
Frailty, as defined by the Fried phenotype and geriatric literature, is a state of increased vulnerability to stressors due to cumulative physiological decline across multiple systems. It is distinct from multi-morbidity (≥2 diseases, option A), complete ADL dependence (option C — frailty exists on a continuum and most frail patients retain some independence), and chronological age (option D — frailty can occur in those under 80 and is absent in many over 80). Frailty predicts adverse outcomes (falls, hospitalisation, mortality) better than any single disease or age threshold.
Applying Geriatric Concepts: A Community Perspective
For the community medicine physician and primary care provider, understanding geriatric concepts must translate into practical application. Three clinical scenarios illustrate how the definitional and epidemiological knowledge from this module connects to action in the field.
Scenario 1 — Recognising the atypical presenter. A 74-year-old man presents to the PHC with a 3-day history of confusion. His daughter reports he 'isn't himself.' His blood sugar is 68 mg/dL (hypoglycaemia on his standard sulphonylurea dose, which the new pharmacist inadvertently doubled). This is not a psychiatric emergency — it is a polypharmacy-driven metabolic emergency. The CGA approach (screen medication list first, then cognitive function, then social context) solves the problem in 20 minutes. Without a geriatric lens, this patient risks unnecessary referral to neurology, delay, and worsening.
Scenario 2 — The multi-morbid outpatient. A 69-year-old woman with hypertension, diabetes, and knee osteoarthritis returns for a monthly chronic-disease review. A structured ADL/IADL screen (5 minutes) reveals she can no longer manage her own finances or travel independently — problems she did not volunteer. These IADL losses represent an early functional decline that predicts hospitalisation and nursing home placement within 24 months if unaddressed. Physiotherapy referral, occupational therapy assessment, and linking her to the NPHCE day-care centre can potentially reverse this trajectory.
Scenario 3 — Population-level geriatric assessment. The village health and nutrition day (VHND) provides an opportunity for the ANM to screen all elderly attendees with a 5-item tool (hand grip, gait speed, memory complaint, depression item, polypharmacy count) — identifying frail elderly for CGA referral. This translates the epidemiological insight that 30% of community-dwelling elderly will fall this year into a targeted intervention for the highest-risk 10%.
The connecting theme across all three scenarios is the same: the geriatric framework (CGA, geriatric syndromes, functional assessment) converts an overwhelming clinical complexity into a systematic, actionable approach. This is the practical value of the definitions and epidemiology covered in this module.