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Nutrition gériatrique

Mini Nutritional Assessment (MNA)

A simple and rapid questionnaire identifying seniors at risk of malnutrition.

Definition

A validated screening tool used to quickly identify elderly individuals at risk of malnutrition. It consists of a short-form screening (6 questions) followed by a full assessment (18 questions) covering food intake, weight, mobility, and cognition.

How it works

The MNA score consists of two parts: a rapid initial screening (6 questions) which, if abnormal, is followed by a complete assessment (12 additional questions). It explores dietary intake, weight, mobility, cognitive disorders, and general condition. The tool is validated, sensitive, and specific for identifying malnutrition and risk. The final score classifies the senior into three categories: well-nourished, at risk of malnutrition, or malnourished. Regular use of the MNA enables early detection and prompt intervention.

Role

Essential tool for early identification of elderly individuals at risk of malnutrition.

Examples

  • Short MNA (screening)
  • Full MNA
  • Score < 17 = malnourished
  • Score 17-23.5 = at risk
  • Score > 24 = well-nourished

Recommendations

Use systematically during geriatric consultations and reassess regularly in case of changes in health status.

Key takeaway

The MNA score is the reference tool for early detection of malnutrition in seniors and for guiding appropriate intervention.

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