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In 1981, Weinsier and Krumdieck described death resulting from overzealous total parenteral nutrition in two chronically malnourished, but stable, patients given aggressive total parenteral nutrition. This was the birth of what is now called the refeeding syndrome, a nutrition-related disorder associated with severe electrolyte disturbances. The purpose of this work is to demonstrate that refeeding syndrome was first described medically in Florence by Antonio Benivieni in 1507 in his book On Some Hidden and Remarkable Causes of Diseases and Cures. What we now know as refeeding syndrome was described in Report No. LVII of that book. The condition occurred as a result of the famine that affected Florence in 1496. The report documents (i) death due to starvation, (ii) death due to ingestion of deteriorated/toxic foods (inevitable in times of famine when healthy food is scarce), (iii) death caused by excessive food ingestion after forced, prolonged abstinence from food in adults, (iv) the death of breast-fed children and of their starved mothers eating to satiety and (v) the more favourable clinical outcome of those admitted to hospitals. It is possible that Benivieni was inspired by the description of the deaths of starved deserters in the book The Jewish War (70 AD) by the Romano-Jewish historian Flavius Josephus. Nevertheless, Benivieni wrote the first medical account of the central clinical features of refeeding syndrome. The main, broad clinical aspects of refeeding syndrome, described by Weinsier and Krumdieck in 1981, had been documented in medical literature four centuries earlier by Benivieni., Competing Interests: None declared., (© The Author(s) 2020. Published by Oxford University Press on behalf of ERA-EDTA.)

Refeeding syndrome can occur in malnourished patients with acute pancreatitis who have electrolyte imbalances. Refeeding syndrome is characterized by severe electrolyte imbalances (mainly hypophosphatemia, hypomagnesemia, and hypokalemia), vitamin deficiency (mainly thiamine deficiency), fluid overload, and salt retention resulting in organ dysfunction and cardiac arrhythmias. We herein report a case involving a patient with severe pancreatitis and gallbladder stones who developed refeeding syndrome with shock and loss of consciousness. The patient was treated by opportune vitamin and electrolyte supplementation therapy and showed substantial improvement after 2 weeks of hospitalization, gaining the ability to eat small bites of solid food orally. Early diagnosis and treatment of refeeding syndrome may reduce morbidity and mortality in patients with acute pancreatitis. Patients should be fasted only if alimentation is contraindicated, and electrolyte values must be closely monitored.

Objectives: The clinical presentations of celiac crisis and refeeding syndrome in celiac disease are almost similar, but information about refeeding syndrome is scarce. We are reporting for the first time 5 cases of refeeding syndrome in children with celiac disease that could have otherwise been labeled as celiac crisis., Methods: From January to December 2010, a chart review of hospital records of all celiac disease cases was performed, and refeeding syndrome was ascribed in those celiac patients who deteriorated clinically after initiation of a gluten-free diet and had biochemical parameters suggestive of refeeding syndrome such as hypophosphatemia, hypokalemia, hypocalcemia, and hypoalbuminemia., Results: Of the total 35 celiac disease patients, 5 (median age 6.5 [range 2.2-10] years, 3 boys) were identified as having refeeding syndrome. All 5 children were severely malnourished (body mass index <14 kg/m) and all of them had anemia, hypophosphatemia, hypokalemia, hypoalbuminemia, and hypocalcemia, meaning that they had the perfect setting for developing refeeding syndrome. At the same time, their clinical features fulfilled the criteria for celiac crisis except that their symptoms have worsened after the introduction of a gluten-free diet. Nevertheless, instead of using steroids, they were managed as refeeding syndrome in terms of correction of electrolytes and gradual feeding, and that led to a successful outcome in all of them., Conclusions: Severely malnourished patients with celiac disease are at risk of developing potentially life-threatening refeeding syndrome, which may mimic celiac crisis, especially in developing countries. Early recognition and appropriate treatment are the keys to a successful outcome.

Refeeding syndrome (RFS) is the result of aggressive enteral or parenteral feeding in a malnourished patient, with hypophosphatemia being the hallmark of this phenomenon. Other metabolic abnormalities, such as hypokalemia and hypomagnesemia, may also occur, along with sodium and fluid retention. The metabolic changes that occur in RFS can be severe enough to cause cardiorespiratory failure and death. This article reviews the pathophysiology, the clinical manifestations, and the management of RFS. The key to prevention is identifying patients at risk and being aware of the potential complications involved in rapidly reintroducing feeds to a malnourished patient.