What is the pathophysiology of marasmus
William Smith
Updated on April 18, 2026
Marasmus always results from a negative energy balance. The imbalance can result from a decreased energy intake, an increased loss of ingested calories (eg, emesis, diarrhea, burns), an increased energy expenditure, or combinations of these factors, such as is observed in acute or chronic diseases.
What is the pathophysiology of kwashiorkor?
Children with kwashiorkor were found to have profoundly low levels of albumin and, as a result, became intravascularly depleted. Subsequently, antidiuretic hormone (ADH) increases in response to hypovolemia, resulting in edema. Plasma renin also responds aggressively, causing sodium retention.
What is the pathophysiology of protein energy malnutrition?
Protein-energy malnutrition represents a shift of the body from fed to fasting/starvation state. Starvation leads to a decreased basal plasma insulin concentration and in decrease of glucose-stimulated insulin secretion. Prolonged fasting results in a deficiency in amino acids used for gluconeogenesis.
How is marasmus caused?
Nutrient deficiency is the main cause of marasmus. It occurs in children that don’t ingest enough protein, calories, carbohydrates, and other important nutrients. This is usually due to poverty and a scarcity of food.Which is associated with marasmus?
Marasmus is frequently associated with symptoms of anemia and rickets. As marasmus tends to be associated with other micronutrient deficiencies, it is important to recognize that these may also present in a child with marasmus.
What is disease pathophysiology?
Pathophysiology ( a.k.a. physiopathology) – a convergence of pathology with physiology – is the study of the disordered physiological processes that cause, result from, or are otherwise associated with a disease or injury.
What is kwashiorkor and marasmus?
Kwashiorkor, a severe protein deficiency, causes fluid retention and a protruding abdomen. On the other hand, the condition marasmus, which results from severe calorie deficiency, leads to wasting and significant fat and muscle loss (5). Undernutrition can also result in micronutrient deficiencies.
What is marasmus treatment?
Treatment of marasmus involves a special feeding and rehydration plan and close medical observation to prevent and manage complications of malnutrition. Pediatric nutrition rehabilitation centers have been established in some countries and regions to coordinate treatment of malnourished children.What are the effects of marasmus?
Apart from weight loss, long-term effects of marasmus in children include slow growth and repeated infections. Diarrhea, measles, or a respiratory infection are serious complications that can be fatal in a child with marasmus. Diarrhea can also be a contributing cause of marasmus.
What is marasmus PDF?Marasmus is a severe manifestation of protein-energy malnutrition. It occurs as a result of total calorie insufficiency. This leads to overt loss of adipose tissue and muscle. The child may have a weight-for-height value which is more than.
Article first time published onWhat is pathophysiology of malnutrition?
Malnutrition results from an imbalance between intake and protein-energy requirements resulting in tissue losses with adverse functional consequences. However, it would be better to speak of “states of malnutrition” rather than “malnutrition”.
Why is marasmus called protein-energy malnutrition?
Protein-energy undernutrition (PEU), previously called protein-energy malnutrition, is an energy deficit due to deficiency of all macronutrients. It commonly includes deficiencies of many micronutrients. PEU can be sudden and total (starvation) or gradual.
What are the 4 types of malnutrition?
- Malnutrition refers to deficiencies, excesses, or imbalances in a person’s intake of energy and/or nutrients. …
- There are 4 broad sub-forms of undernutrition: wasting, stunting, underweight, and deficiencies in vitamins and minerals. …
- Low weight-for-height is known as wasting. …
- Low height-for-age is known as stunting.
When does marasmus occur?
It can occur in anyone with severe malnutrition but usually occurs in children. Body weight is reduced to less than 62% of the normal (expected) body weight for the age. Marasmus occurrence increases prior to age 1, whereas kwashiorkor occurrence increases after 18 months.
What is marasmus What are the symptoms of marasmus Class 6?
What are the symptoms of Marasmus? Loss of body weight and muscles are the main symptoms of Marasmus. This leads to an extremely low body mass index (BMI). Other symptoms include dizziness, energy loss, brittle hair, and dry skin.
What are the preventive measures of marasmus?
- A nutritious, well-balanced diet with lots of fresh fruits and vegetables, grains, and protein will reduce the risk of marasmus.
- Foods rich in protein like milk, fish, eggs and nuts are important for energy and growth.
How is kwashiorkor different from marasmus?
KwashiorkorMarasmusThere is some weight loss.There is severe weight loss.SymptomsThe thinning of muscles and limbs.The thinning of limbs.Fatty liver cells
What is a full form of PEM?
The World Health Organization (WHO) defines malnutrition as “the cellular imbalance between the supply of nutrients and energy and the body’s demand for them to ensure growth, maintenance, and specific functions.” The term protein-energy malnutrition (PEM) applies to a group of related disorders that include marasmus, …
What are the symptoms of marasmus Class 7?
- Weight loss.
- Chronic diarrhoea.
- Dehydration.
- Dizziness.
- Lack of energy.
- Measles.
- Respiratory infections.
- Brittle hair and dry skin.
What is etiology and pathophysiology?
Definition. The terms “etiology” and “pathogenesis” are closely related to the questions of why and how a certain disease or disorder develops. Models of etiology and pathogenesis therefore try to account for the processes that initiate (etiology) and maintain (pathogenesis) a certain disorder or disease.
What is another word for pathophysiology?
In this page you can discover 11 synonyms, antonyms, idiomatic expressions, and related words for pathophysiology, like: physiopathology, pathogenesis, etiology, aetiology, pathophysiological, neuropharmacology, patho-physiology, aetiopathogenesis, neuroanatomy, neurochemistry and differential-diagnosis.
What is the difference between physiology and pathophysiology?
Pathophysiology is the convergence of pathology (the discipline of observed changes in a diseased state) with physiology (the mechanisms of systems operation). It represents the functional changes that occur because of injury or disease.
How is kwashiorkor and marasmus treated?
- Resuscitation. This step involves rehydration. …
- Stabilization. This step involves gradual feeding to improve the levels of nutrients in your body. …
- Nutritional rehabilitation and follow-up. This step involves increasing your nutrient intake through a protein and energy-rich diet.
What causes scurvy?
Causes of scurvy Scurvy is caused by not having enough vitamin C in your diet for at least 3 months. Vitamin C is mainly found in fruit and vegetables. Even people who do not eat very healthily all the time are not usually considered at risk of scurvy.
Who first discovered marasmus?
(Czerney & Keller, 1928). in the Gold Coast of Africa described a ‘nutritional disease of childhood associated with a maize diet’ and attributable to protein deficiency. She named it kwa- shiorkor (taken from the Ga language ofGhana, the diseaseofthedeposed babywhen the next one isborn).
Does marasmus affect the brain?
Brain atrophy with impairment of cerebral functions is only present in severe forms of marasmus. Effects on the brain are more important if malnutrition takes place during the first year of life or during fetal life. Irritability and apathy are characteristic of marasmus but improve rapidly with recovery.
What is the term malnutrition?
Malnutrition is the condition that develops when the body is deprived of vitamins, minerals and other nutrients it needs to maintain healthy tissues and organ function. Malnutrition occurs in people who are either undernourished or overnourished.
Why does marasmus not cause edema?
Marasmus type malnutrition is characterized by loss of adipose tissue, a reduced amount of muscle mass, and no edema present. As these children lose weight, they lose body mass, which decreases their nutrient requirements.
What is PCM in physiology?
Protein-Calorie Malnutrition (PCM) refers to a nutritional status in which reduced availability of nutrients leads to changes in body composition and function [1].
Who is underweight?
Underweight is defined as low weight-for-age. A child who is underweight may be stunted, wasted or both. Micronutrient deficiencies are a lack of vitamins and minerals that are essential for body functions such as producing enzymes, hormones and other substances needed for growth and development.
What is the two types of malnutrition?
- undernutrition, including stunting, wasting, underweight and micronutrient deficiencies.
- overweight, obesity and diet-related non-communicable diseases (NCDs).