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Current concepts on preoperative nutritional support: How, when and why?

Miguel Robledo-Valdez1, Enrique Cervantes-Pérez1,2, Gabino Cervantes-Guevara2,3

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Optimizing preoperative nutrition is crucial for surgical patients to prevent complications. The Enhanced Recovery After Surgery (ERAS) protocol helps restore metabolic balance and reduce fasting-induced insulin resistance.

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Area of Science:

  • Clinical Nutrition
  • Surgical Patient Care
  • Metabolic Health

Background:

  • Malnutrition is linked to increased hospital complications, particularly for major surgery patients.
  • Preoperative fasting can negatively impact metabolic and immunological status, inducing insulin resistance.
  • Optimizing nutritional status preoperatively is vital for patient recovery.

Purpose of the Study:

  • To highlight the importance of nutritional assessment and intervention in hospitalized patients.
  • To discuss the role of the Enhanced Recovery After Surgery (ERAS) protocol in mitigating preoperative fasting effects.
  • To outline appropriate nutritional support strategies based on patient condition.

Main Methods:

  • Nutritional assessment to identify at-risk patients.
  • Implementation of ERAS protocols to optimize preoperative care.
  • Selection of feeding routes (oral, enteral, parenteral) based on clinical status.

Main Results:

  • Early nutritional interventions can address metabolic and immunological abnormalities.
  • ERAS protocols offer an alternative to prolonged preoperative fasting.
  • Tailored nutritional support improves postoperative outcomes.

Conclusions:

  • Comprehensive nutritional assessment is essential for hospitalized surgical patients.
  • ERAS protocols and appropriate feeding routes are key to improving postoperative morbidity and mortality.
  • Proactive nutritional management is fundamental to surgical patient care.