Nausea and vomiting of pregnancy affect the majority of pregnancies, while the most severe version, hyperemesis gravidarum (HG), affects a much smaller subset of women. Despite the prevalence of nausea and vomiting of pregnancy and the severe consequences of HG, the pathophysiology of these conditions is not fully understood. Currently, it is thought that a combination of hormonal factors accounts for their development. Multiple treatments have been described for nausea and vomiting of pregnancy and HG with varying levels of success. In this paper we describe the epidemiology of nausea and vomiting of pregnancy and HG, the recommended workup, their proposed etiologic factors, treatments, and their potential impact on mother and baby.

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(1) Despite longer withdrawal times, being on call the night prior and performing an emergent procedure lead to a significant 24% decrease in the adenoma detection rates. (2) It is imperative for screening physicians to be aware of the influence of sleep deprivation on procedural outcomes and to consider altering their practice accordingly.

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Purpose of Review Drug shortages continue to impact our patients with intestinal failure and their ability to receive nutrition. ASPEN guidelines address the management of certain shortages in compounded total parenteral nutrition (TPN); however, some institutions have utilized premixed total parenteral nutrition (pTPN) in place of TPN. Recent Findings Premixed TPN appears to be as safe, if not safer, as compounded TPN when comparing the risk of bloodstream infection. However, there is an increased use of supplemental electrolytes to meet patient needs. Cost-effectiveness depends on multiple factors and should be evaluated by each institution when considering the use of TPN. Summary In light of the published information on the use of pTPN compared to TPN, institutions and nutrition clinicians should consider their current practice and opportunities to consider when pTPN may be beneficial for their patients, not only from a safety perspective, but also considering cost savings. However, close monitoring and individual patient needs should be considered as these formulas may not meet all patient nutritional and electrolyte needs.

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Enteral nutrition, generally preferred to parenteral nutrition, is indicated when patients cannot meet their energy and metabolic demands. Gastrostomy tubes are placed directly into the stomach (either endoscopically, surgically, or radiologically) through the abdominal wall. Routine gastrostomy tube care is important to maintain well-functioning tubes. Postpyloric feeding tubes are preferable to gastric feeding tubes if patients have a history of aspiration, gastroesophageal reflux, severe gastroparesis, and/or recurrent nausea and vomiting. Feeding jejunostomy tubes are placed surgically and are indicated if gastric feeding is unsafe or impossible. Duallumen gastrojejunostomy tubes are used when both gastric decompression and feeding are desired. The general risks of enteral tube feeding include diarrhea, metabolic derangements, and aspiration. Additional complications for gastrostomy tubes, which can arise at any time, include tube dysfunction (clogging or deterioration), infection, bleeding, peristomal leakage, ulceration, gastric outlet obstruction, and accidental removal. After percutaneous endoscopic gastrostomy placement, there are also early or late complications that may occur. Multiple factors should be considered in the decision-making process for feeding tube placement. It is important to be realistic about the patient's prognosis and goals and to discuss the risks and benefits ahead of time. Consultation with palliative care or clinical ethics specialists should be considered in certain clinical scenarios.