Malnutrition is an important factor which influences both the morbidity and
the recovery, Assessment of the initial nutritional status, then its evolu
tion during the disease and/or treatment, plays an important role for tailo
ring the nutritional support. This assessment allows to specify the nutriti
onal needs and body reserves, as well as the metabolic and immunologic func
tions. The global nutritional assessment is aimed at defining if the patien
t is: well nourished, slightly or severely malnourished, and if the aetiolo
gies of the existing malnutrition will disappear, increase or decrease. Thi
s conclusion correlates the nutritional assessment to the dynamic of the pa
thology and highlights if the nutritional support has to be immediate or de
layed, maximal or partial.
No single method allows to detect PCM, except in very severe cases. The dia
gnosis of PCR I results of various clinical, biological and functional info
rmations. This review describes the main methods and suggests practical mod
alities for nutritional assessment.