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Refeeding syndrome
M T Fernández López1, M J López Otero, P Alvarez Vázquez
1Servicio de Endocrinología y Nutrición, Complejo Hospitalario de Ourense, Ourense, España.
Summary
Refeeding syndrome occurs when nutrition is reintroduced to starved patients, causing electrolyte and fluid imbalances. Careful monitoring, cautious nutrition reintroduction, and correcting deficiencies are key to prevention and treatment.
Area of Science:
- Clinical Medicine
- Nutritional Science
- Critical Care Medicine
Background:
- Refeeding syndrome is a potentially fatal complication of nutritional rehabilitation in malnourished or starved patients.
- It involves metabolic and electrolyte disturbances due to the shift from catabolism to anabolism.
- The syndrome affects multiple organ systems, including cardiovascular, respiratory, and neurological functions.
Purpose of the Study:
- To review the pathogenic mechanisms and clinical manifestations of refeeding syndrome.
- To provide evidence-based suggestions for the prevention and treatment of refeeding syndrome.
- To highlight the critical importance of identifying at-risk patients and implementing appropriate nutritional strategies.
Main Methods:
- Comprehensive literature review of studies on refeeding syndrome.
- Analysis of pathogenic mechanisms, clinical presentations, and risk factors.
- Synthesis of current guidelines and expert recommendations for management.
Main Results:
- Refeeding syndrome is characterized by hypophosphatemia, hypokalemia, hypomagnesemia, fluid retention, and hyperglycemia.
- Clinical manifestations include cardiac arrhythmias, respiratory failure, seizures, and coma.
- Risk factors include prolonged starvation, chronic alcoholism, and certain medications.
Conclusions:
- Early identification of patients at risk is crucial for preventing refeeding syndrome.
- Cautious reintroduction of nutrition, starting with low caloric intake and gradually increasing, is essential.
- Correction of electrolyte and vitamin deficiencies prior to and during nutritional support is paramount for safe and effective management.
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