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The Problem - Malnutrition
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MNA® as part of the Comprehensive Geriatric Assessment (CGA)

The Comprehensive Geriatric Assessment (CGA) is a multidimensional, multidisciplinary diagnostic process used to determine medical, functional, and psychosocial problems and capabilities in an elderly patient who may be at risk for functional decline. 

The Comprehensive Geriatric Assessment (CGA) is designed to

  • Evaluate the multiple problems of older persons
  • Assess their personal resources and strengths
  • Determine service needs
  • Develop  coordinated care plans to focus interventions on individual problems

Corrective intervention

  • Improves health outcomes
  • Prevents the onset of disability
  • Improves quality of life
  • Saves healthcare costs Stuck AE, Siu AL, Wieland GD, Adams J. Rubenstein LZ. Comprehensive geriatric assessment: a meta-analysis of controlled trials. Lancet 1993;342:1032-1036.

CGA of overall health status begins with a screening process using simple, rapid, inexpensive, and internationally validated scales to rate cognitive function, functional status, walking, balance, and socio-economic status.

Commonly Used Tools in CGA Ellis G, Langhorne P. Comprehensive geriatric assessment for older hospital patients. Br Med Bull 2005;71:45-59. Ellis G, Langhorne P. Comprehensive geriatric assessment for older hospital patients. Br Med Bull 2005;71:45-59.


CGA should also include a nutritional assessment since functional dependency and decreased general health status or quality of life correlate with poor nutritional status in older adults.Keller HH. Nutrition and health-related quality of life in frail older adults. J Nutr Health Aging 2004;8:245-252.


Prior to 1990, CGA did not include nutrition due to the lack of a validated and easily administered tool to evaluate nutrition in the elderly. The development of the Mini Nutritional Assessment (MNA®)Guigoz Y, Vellas B, Garry PJ. Mini Nutritional Assessment : a practical assessment tool for grading the nutritional state of elderly patients. Facts Res Gerontol 1994 :15-59. in 1994 and a shorter screening form (MNA®-SF)Rubenstein LZ, Harker JO, Salva A, Guigoz Y, Vellas B. Screening for undernutrition in geriatric practice: developing the short-form Mini Nutritional Assessment (MNA-SF). J Gerontol A Biol Sci Med Sci 2001;56:M366-372. in 2001 provided healthcare professionals a validated tool to identify the elderly at risk of malnutrition and guide nutritional intervention. Now, with the revision and validation of the MNA®-SF as a stand-alone screening tool in 2009, clinicians can quickly identify those who are malnourished or at nutritional risk in less than 5 minutes.

Overall Elements of Comprehensive Geriatric Assessment

Physical Health
The medical history focuses special attention on medication use and the risk for malnutrition, falling, incontinence, and immobility.


The physical examination seeks to identify specific diseases or conditions for which curative, restorative, palliative, or preventive treatment may be available. Special attention is directed toward visual or hearing impairment, nutritional status, and conditions that may contribute to frailty and falling or difficulty in ambulation.

Geriatric Assessment

Mental Health
Cognitive, behavioral, and emotional statuses are evaluated, with particular emphasis on detecting dementia, delirium, and depression.
Social and Economic Status
The social support network includes the availability and competence of caregivers, the elderly person’s economic resources, and other sources of support such as cultural, ethnic, and spiritual resources. It also includes the individual's own assessment of the quality of life. 

Functional Status

Functional status is measured by the ability to accomplish basic activities of daily living (ADLs) and to participate in behavioral and social activities referred to as instrumental activities of daily living (IADLs). ADLs include bathing, dressing, toileting, transferring, continence, and feeding. IADLs require a higher level of cognition and judgment than physical activities and include preparation of meals, shopping, light housework, financial management, medication management, use of transportation, and use of the telephone. 

Environmental Characteristics
Evaluating the patient's physical environment determines the safety of the living environment. It also assesses the patient’s access to essential services, such as shopping, pharmacy, and transportation.


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