Roxanne G. Lim

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We evaluated the impact of a prospective audit and feedback antimicrobial stewardship program (ASP) on antibiotic prescription and resistance trends in a hematology-oncology unit in a university hospital (National University Cancer Institute, Singapore [NCIS]). A prospective interrupted time-series study comprising 11-month pre-intervention (PIP) and(More)
OBJECTIVES Upper gastrointestinal bleeding in the setting of acute myocardial infarction (MI) has substantial morbidity and mortality. Several studies have been performed on the safety of esophagogastroduodenoscopy (EGD) after MI; however, these studies vary in definitions and results. We evaluated the safety and effect of EGD in patients with acute MI in a(More)
BACKGROUND/AIM Erythromycin infusion before endoscopy in upper gastrointestinal bleeding (UGIB) has been hypothesized to aid in visualization and reduce the need for second-look endoscopy; however, the results have been controversial. To evaluate further, we performed a meta-analysis comparing the efficacy of erythromycin infusion before endoscopy in acute(More)
BACKGROUND Multiple studies have demonstrated that feeding ≤4 hours after placement of a percutaneous endoscopic gastrostomy (PEG) tube is a reasonable option. Many physicians, however, continue to delay feedings until the next day or 24 hours; therefore, we evaluated the safety and effect of early feeding (≤4 hours) after PEG placement in our tertiary care(More)
Drug-induced hepatotoxicity most commonly manifests as an acute hepatitis syndrome and remains the leading cause of drug-induced death/mortality and the primary reason for withdrawal of drugs from the pharmaceutical market. We report a case of acute liver injury in a 12-year-old Hispanic boy, who received a series of five antibiotics (amoxicillin,(More)
Bezoars are accumulated foreign material that forms concretions in the gastrointestinal tract, inducing abdominal pain, constipation, obstruction, and even peritonitis. This case report describes a rare rectal bezoar in a healthy young woman who had recently consumed large quantities of sunflower seeds. A 21-year-old healthy woman was admitted with(More)
Gastrointestinal histoplasmosis may be a rare initial manifestation in immunocompromised patients. We present a case of colonic histoplasmosis in a patient with human immunodeficiency virus (HIV), disseminated disease, and an unusual presentation. A 56-year-old woman with no past medical history of note presented with progressive cognitive decline and an(More)
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