Omer J. Deen

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BACKGROUND Percutaneous endoscopic gastrostomy (PEG) tubes have allowed for a safe and efficient way to feed patients who cannot tolerate oral feeding, yet have a functioning gastrointestinal tract. Gastrocutaneous fistulas (GCF) after PEG removal are an unusual and rare complication in adults and may be in part due to poor tissue healing, delayed gastric(More)
Obesity is a major chronic disease affecting the U.S. population. Bariatric surgery has consistently shown greater weight loss and improved outcomes compared with conservative therapy. However, complications after bariatric surgery can be catastrophic, resulting in short bowel syndrome with a potential risk of intestinal failure, ultimately resulting in the(More)
Bacterial infections are common in cirrhosis and can lead to life-threatening complications. Sidestream dark-field (SDF) imaging has recently emerged as a noninvasive tool for capturing real-time video images of sublingual microcirculation in critically ill patients with sepsis. The objective of this study was to assess the utility of SDF in determining(More)
UNLABELLED Previous studies have suggested a high prevalence of vitamin D deficiency in patients receiving long-term home parenteral nutrition (HPN). The aim of this study was to determine the prevalence and predictors of vitamin D deficiency in long-term HPN patients. METHODS A retrospective, institutional review board-approved study was performed on all(More)
Intestinal failure is characterized by loss of enteral function to absorb necessary nutrients and water to sustain life. Parenteral nutrition (PN) is a lifesaving therapeutic modality for patients with intestinal failure. Lifelong PN is also needed for patients who have short bowel syndrome due to extensive resection or a dysmotility disorder with(More)
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