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Geriatric assessment is a broad term that describes a clinical approach to older patients that goes beyond a traditional medical history and physical exam to include functional, social, and psychological domains that affect well-being and quality of life. Although geriatric assessment has been adapted to different settings, structures, and models of care, 4 key concepts inform the approach: the clinical site of care, prognosis, patient goals, and functional status.

Teams and Clinical Sites of Care

Although geriatric assessment may be comprehensive and involve multiple team members (eg, social workers, nurses, physicians, rehabilitation therapists, pharmacists), it may also involve just a single clinician and be much more simple in approach. In general, teams that use an interdisciplinary or interprofessional approach (teams in which multiple disciplines meet together to develop a single comprehensive treatment plan for a patient) are most common in settings that serve primarily frail, complex patients, such as inpatient units, rehabilitation units, PACE (Program for All-Inclusive Care of the Elderly), and long-term care facilities. In outpatient settings, teams are less likely to be formalized, and if present, are more likely to be virtual, asynchronous and multidisciplinary (teams in which each discipline develops its own assessment and treatment plan) than interdisciplinary. (For more information, see Chapter 5, “The Interprofessional Team.”)

Regardless of team composition, the setting and functional level of the patient population being served will determine what assessment tools are most appropriate. For example, long-term care settings are likely to focus on basic activities of daily living (eg, bathing), whereas outpatient teams are more likely to focus on higher levels of functioning, such as mobility and ability to prepare meals. In inpatient settings, the focus is on preventing deconditioning, providing medical support (eg, nutrition), and discharge planning, including assessing rehabilitation potential and best setting for discharge. Regardless of the team structure, site, and tools being used, many of the principles of assessment are the same.


An older adult’s prognosis can be critically important in determining which interventions are likely to beneficial or burdensome for that individual. In community-dwelling older persons, prognosis can be estimated initially by using life tables that consider the patient’s age, gender, and general health. For example, <25% of men age 95 years will live 5 years, whereas nearly 75% of women age 70 years will live 10 years. However, persons with chronic diseases may have substantially shorter survival. When an older patient’s clinical situation is dominated by a single disease process (eg, lung cancer metastatic to brain), prognosis can sometimes be estimated well with a disease-specific instrument. Even when disease-specific prognostic information is available, frequently the range of survival is wide. Moreover, prognosis generally worsens with age (especially age >90 years) and with the presence of serious age-related conditions, such as dementia, malnutrition, or impaired ability to walk. See Chapter 3, “Goals of Care ...

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