Wasting syndromes

From WikiMD's Food, Medicine & Wellness Encyclopedia

Wasting syndromes refer to a group of conditions characterized by severe weight loss, muscle atrophy, fatigue, weakness, and significant loss of appetite. These syndromes can be a result of various underlying health issues, including chronic diseases, infections, malignancies, and conditions that impair nutrient absorption or increase metabolic demand. Wasting syndromes are particularly common in individuals with cancer, HIV/AIDS, chronic obstructive pulmonary disease (COPD), congestive heart failure, tuberculosis, and certain autoimmune diseases.

Causes and Pathophysiology[edit | edit source]

The pathophysiology of wasting syndromes involves a complex interplay of metabolic abnormalities, including increased energy expenditure, reduced food intake, and alterations in metabolism due to the underlying disease. Infections and inflammatory diseases can lead to increased production of cytokines, such as tumor necrosis factor-alpha (TNF-α), interleukin-1 (IL-1), and interleukin-6 (IL-6), which play a significant role in the development of cachexia, a condition often associated with wasting syndromes.

Symptoms[edit | edit source]

Symptoms of wasting syndromes include:

  • Rapid weight loss
  • Muscle atrophy
  • Fatigue and weakness
  • Loss of appetite
  • Anemia
  • Immune system impairment

Diagnosis[edit | edit source]

Diagnosis of wasting syndromes involves a comprehensive medical history, physical examination, and various tests to identify the underlying cause. These may include blood tests, imaging studies, and assessments of nutritional status and muscle mass.

Treatment[edit | edit source]

Treatment of wasting syndromes focuses on addressing the underlying condition, nutritional support, and interventions to improve muscle mass and strength. This may involve:

  • Nutritional supplementation
  • Exercise programs
  • Medications to stimulate appetite
  • Hormonal therapy in some cases

Prevention[edit | edit source]

Preventing wasting syndromes involves early detection and treatment of the underlying diseases, nutritional support, and maintaining an active lifestyle.


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Contributors: Prab R. Tumpati, MD