Primary peritonitis, a bacterial infection within the peritoneal cavity that arises in the absence of an intraperitoneal source, is a rare entity in paediatrics. We describe the case of a previously healthy 11-year-old girl who presented with an acute abdomen and was found to have primary peritonitis due to Streptococcus pyogenes. She had an episode of pharyngitis with pharyngeal cultures positive for S. pyogenes in the month prior to presentation. We performed a review of the literature to better elucidate the risk factors, pathophysiology and presentation of peritonitis due to S. pyogenes and to draw attention to the potential association between group A streptococcal pharyngitis and peritonitis.
Enterococcus hirae is a gram-positive coccus that is rarely implicated in human disease and has not been reported in pediatric patients. We report a case of catheter-associated bloodstream infection and prolonged bacteremia in a 7-month-old infant dependent on total parenteral nutrition. The species was identified by the VITEK2 system and confirmed by matrix-assisted laser desorption/ionization time-of-flight (MALDI-TOF) mass spectrometry. The organisms was susceptible to ampicillin, vancomycin, and high-level gentamicin. The patient was treated with vancomycin and gentamicin with adjunctive vancomycin lock therapy but had persistent bacteremia. Therapy was changed to dual β-lactam therapy of ampicillin and ceftriaxone with synergistic gentamicin, which led to clearance of the enterococcal bacteremia. E hirae is an unusual species that may be difficult for the microbiology laboratory to identify. This is the first pediatric case and the second case of invasive E hirae in the United States.
BackgroundMultiplex RVP assays are frequently offered at medical centers to screen for viruses using nucleic acid technology. The University of Pittsburgh Medical Center (UPMC) uses the Genmark eSensor RVP detecting 14 virus types/subtypes. This study evaluated how RVPs are used in a large medical center to better understand physician practices.MethodsA 32 question, descriptive survey, created using the Qualtrics survey database, was sent via email to pediatric, emergency, internal, and family physicians at large academic hospitals in the UPMC network. The anonymous survey was sent 3 times between January 2017 and March 2017. Survey data were analyzed using the SPSS statistics software.Results543/1,265 (43%) survey responses were received; 492 were evaluable. 56% were female; 42% see children, 45% see adults, 13% see both; 16% see patients in the ED. Training levels included 51% residents/fellows and 49% attendings. Of doctors responding, 87% order RVPs. Most (85%) have changed treatment decisions based on a RVP result; 53% changed management ~50% of the time.ConclusionPhysicians order RVPs most frequently if they believe the results will change treatment. RVPs are ordered more for young and elderly patients, and those with underlying immunosuppression or chronic illness. Cost does not limit physician ordering and most are unaware of it. Suspected influenza or specific virus is also considered.Disclosures J. V. Williams, Quidel: Scientific Advisor, Consulting fee GlaxoSmithKline: Scientific Advisor, Consulting fee R. Zimmerman, Sanofi: Grant Investigator, Grant recipient Patient Characteristics: Presents with influenza like illness andFever+-+RVP ordering frequency≥ 50% of time≥ 50% of time≥ 50% of timeICU97%87%Infant < 1 mon79%Hospitalized organ/bone marrow transplant97%89%Infant 1–24 mon78%Hospitalized Chronic Illness91%68%Adults > 65 yrs83% Change management: + RVP result, − pneumonia+ RVP result, + pneumoniaDiscontinue antibiotics?≥ 50% of time≥ 50% of timeInfluenza82%29% Cost: +≤ 50% of timeKnowledge of cost28%Does cost influence ordering?79%Physicians are more likely to order a RVP if they suspect a certain virus (57%), particularly Influenza (42%). A patient’s Influenza vaccine status is most commonly disregarded in regard to RVP ordering (75%). Physicians ranked impact on medical decision making (to stop or start antimicrobials) as the most important factor influencing RVP ordering (38%).
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