Protein-energy malnutrition (PEM). There are two forms: Kwashiorkor : Fair-to-normal energy intake, but inadequate protein. Associated with oedema and.

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Presentation transcript:

Protein-energy malnutrition (PEM)

There are two forms: Kwashiorkor : Fair-to-normal energy intake, but inadequate protein. Associated with oedema and hepatomegaly. The word comes from the Ghanian language, Ga, and implies "the disease that the young child develops when displaced from his mother's breast by another child or pregnancy". Marasmus: Inadequate energy and protein intake. Associated with severe wasting.

Risk factors In children : Young age (<5 years) - most vulnerable are premature babies and infants at time of weaning Children with co-existing chronic illnesses or developmental delay. Neglect by care-givers Poverty and its complex relationships with: Political and economic situation Education Sanitation Seasonal and climatic conditions--Food production and security--Cultural and religious traditions Prevalence of infectious diseases--Availability and effectiveness of nutrition programmes and health services

Risk factors In elderly people : Living alone—Institutionalisation People with severe learning difficulties or mental health problems (depression, dementia). Diseases that affect appetite, eating/swallowing or gastrointestinal function (gastric surgery, malabsorption, stroke, and neurological disorders such as motor neurone disease) Catabolic states

Risk factors Adults tend to lose weight, often insidiously. Oedema may mask weight loss.BMI is a key measure (weight in kg divided by height in metres squared): mild malnutrition moderate malnutrition <16 - severe malnutrition Other features may include:Listlessness, Increasing fatigue Cold sensitivity Non-healing wounds and severe decubitus ulcers

Marasmus: Obvious loss of weight with gross reduction in muscle mass especially from limb girdles. Subcutaneous fat virtually absent. Thin, atrophic skin lies in folds. Pinched face has appearance of old man or monkey. Alopecia and brittle hair. Sometimes, appearance of lanugo hair.

Kwashiorkor: Usually occurs in children aged 1-2 years with changing hair colour to red, grey or blonde. Moon facies, swollen abdomen (pot belly), hepatomegaly and pitting oedema. Dry, dark skin which splits where stretched over pressure areas to reveal pale areas.