Summary Acute phlegmonous gastritis is an uncommon and often life‐threatening disease characterized by suppurative bacterial infection of the stomach. Here we report a case of acute plegmonous gastritis in a 51‐year‐old male patient with underlying alcoholic cirrhosis. When admitted to the emergency department, he initially presented with upper abdominal pain, and fever for three days. The patient's vital signs were unstable, including blood pressure 90/55 mmHg, heart rate 110 beats per minute, respiratory rate 25 breaths per minute, and body temperature 38°C. Emergent imaging results suggested acute phlegmonous gastritis. The patient was admitted to the intensive care unit for immediate treatment with intravenous antibiotics, and results of endoscopic tissue culture and blood culture on day four identified the underlying pathogen as Klebsiella pneumonia. In this case report, we share the patient's clinical course, ultrasonography and computed tomography images, and endoscopic findings, accompanied by brief literature review. Copyright © 2017, The Gastroenterological Society of Taiwan, The Digestive Endoscopy Society of Taiwan and Taiwan Association for the Study of the Liver.
Efficacy of lactic acid bacteria (LAB) Lactobacillus plantarum and Pediococcus pentosaceus for reducing Listeria on cantaloupes was investigated. Cantaloupe surfaces inoculated with Listeria innocua and Listeria monocytogenes in preharvest and postharvest studies, respectively, were treated with or without LAB. Listeria populations were enumerated on days 0, 1, 5, and 7. At the preharvest level, treatment with unwashed LAB (cultures grown in De Man, Rogosa, and Sharpe) significantly reduced L. innocua by 2.1 log and 1.5 log CFU/cm2 on cantaloupes harvested on days 5 and 7, respectively. At the postharvest level, both unwashed LAB and washed LAB (cultures resuspended in phosphate buffer saline) significantly reduced L. monocytogenes by >2.0 log CFU/cm2 on cantaloupes after 7 days of storage at 25°C; the unwashed LAB treatment exerted higher anti‐Listeria efficacy than the washed LAB. Results suggest that these LAB strains offer potential application for reducing Listeria contamination on cantaloupes at preharvest and postharvest levels. Practical applications Listeriosis associated with the consumption of cantaloupes have resulted in 153 illnesses, 148 hospitalizations, and 33 deaths in the United States between 2009 and 2013, which highlight the need for effective interventions to improve cantaloupe safety. Cantaloupes may be contaminated with Listeria at the farm level or during wash step at the packing facility. Lactic acid bacteria (LAB) including Lactobacillus plantarum and Pediococcus pentosaceus can be potentially utilized as biocontrol agents on the surface of the cantaloupes at the farm level or during postharvest wash to reduce the populations of Listeria on cantaloupes. Further, LAB may minimize cross‐contamination of Listeria at the postharvest level.
The efficacy of benzyl isothiocyanate (BIT), a compound found in cruciferous vegetables, for controlling Salmonella on alfalfa seeds and sprouts was investigated. Alfalfa seeds were inoculated by individual Salmonella enterica serotypes Newport, Typhimurium, Tennessee, Montevideo, or Braenderup at two inoculation levels of 3 or 5 log CFU g À1 , followed by treatment with BIT (0.5-2%) or chlorine (2%) for 15 min. Treated seeds were sprouted in seed sprouters. Surviving Salmonella populations on the seeds and sprouts were determined. At both inoculum levels, 1.5% and 2% of BIT significantly reduced populations S. Typhimurium and S. Braenderup on seeds to a level comparable to the chlorine-treated seeds. Salmonella populations recovered from the sprouts germinated from 1.5% or 2% BIT-treated seeds were significantly lower than the control and chlorine-treated seeds at both inoculum levels (P < 0.05). The results of the study indicate that BIT can be used to control Salmonella contamination on alfalfa seeds and subsequent sprouting process.
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