Carlos E. Armengol

University of Virginia, Charlottesville, Virginia, United States

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Publications (6)21.22 Total impact

  • Carlos E. Armengol · J. Owen Hendley ·

    Journal of Pediatrics 10/2014; 165(4). DOI:10.1016/j.jpeds.2014.06.002 · 3.79 Impact Factor
  • Carlos E Armengol · J Owen Hendley ·
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    ABSTRACT: : Prospective studies using bacterial eradication as the endpoint have demonstrated that once-daily amoxicillin is as effective as twice-daily amoxicillin for treatment of Group A β-hemolytic streptococcal (GABHS) pharyngitis. : The aim of this study was to determine, in a retrospective study, whether treatment of symptomatic GABHS pharyngitis with once-daily amoxicillin was as effective in preventing clinical recurrences as twice-daily amoxicillin or cephalexin in pediatric office practice, using patient-initiated return visits for streptococcal pharyngitis as a pragmatic, clinical endpoint. : The charts of consecutive patients 2 years of age and older with laboratory-proven GABHS pharyngitis for a period of 2 years were reviewed to identify index cases of streptococcal pharyngitis and subsequent episodes. Age, weight, antibiotic treatment and time from index to subsequent episodes of GABHS pharyngitis were recorded. : In 1402 index episodes, patients received amoxicillin once-daily (231), amoxicillin twice-daily (846) or cephalexin (325). The risk of symptomatic streptococcal pharyngitis in the 4 months after treatment of the index episode was not statistically different among the 3 treatment groups: amoxicillin once-daily (15.1%), amoxicillin twice-daily (19.6%) and cephalexin (19.1%). There was a trend toward reduction in the risk of recurrences in the 6 weeks after completion of antibiotics in the cephalexin (9%) group compared with the combined amoxicillin (13%) groups. : Amoxicillin once-daily or twice-daily was equally effective in terms of frequency of recurrence of symptomatic GABHS pharyngitis.
    The Pediatric Infectious Disease Journal 06/2012; 31(11):1124-7. DOI:10.1097/INF.0b013e31826153c9 · 2.72 Impact Factor
  • Carlos Eladio Armengol · J Owen Hendley · Birgit Winther ·
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    ABSTRACT: To determine how frequently acute otitis media (AOM) occurs, we enrolled children between 6 months and 3 years of age who returned several weeks before and 6 to 10 times during a cold for tympanometry and photography of the tympanic membrane. American Academy of Pediatrics (AAP) criteria were used to diagnose AOM. Children visited their physicians at their discretion. AOM occurred in 17 (55%) of 31 colds; in 12 (100%) colds with pre-existing middle ear effusion (MEE); and in 5 (26%) of 19 colds with no pre-existing MEE (P < 0.0001). Four patients received antibiotics from their physicians. Of 17 children with AOM, 12 did not seek care. AOM is common during colds, particularly with pre-existing MEE.
    The Pediatric Infectious Disease Journal 06/2011; 30(6):518-20. DOI:10.1097/INF.0b013e3182044930 · 2.72 Impact Factor
  • Source
    Carlos E Armengol · Theresa A Schlager · J Owen Hendley ·
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    ABSTRACT: In the office laboratory of our private practice, the sensitivity of a single rapid antigen detection (RAD) test for group A streptococci (compared with backup throat culture) was examined over 3 winter periods. When cultures were held only 24 hours, the sensitivity was 92%; in the second period, when cultures were held to 48 hours, the sensitivity declined significantly to 86%; when the cultures were read without knowledge of the RAD test result, the sensitivity was 85%. As the Red Book Committee has suggested, physician office laboratories should validate the sensitivity of their RAD test against culture onto blood agar before abandoning the backup throat culture.
    PEDIATRICS 05/2004; 113(4):924-6. DOI:10.1542/peds.113.4.924 · 5.47 Impact Factor
  • Carlos E. Armengol · J. Owen Hendley · Theresa A. Schlager ·
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    ABSTRACT: Dipstick analysis is a screening test for urinary tract infection (UTI) in office practice. Standard urine microscopy is available offsite. We evaluated the usefulness of these tests on consecutive urine samples obtained by bladder catheterization in young children with a possible UTI. Thirty of 230 children had positive cultures. Dipstick analysis was specific (98%) but not sensitive (70%). Standard microscopy was not specific. Dipstick analysis and urine culture are useful tests for the diagnosis of UTI.
    The Pediatric Infectious Disease Journal 01/2002; 20(12):1176-7. DOI:10.1097/00006454-200112000-00018 · 2.72 Impact Factor
  • Carlos E. Armengol · J.Owen Hendley ·
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    ABSTRACT: We describe 6 school-aged patients who presented with status epilepticus (SE) secondary to cat-scratch disease (CSD) encephalopathy to alert clinicians to this distinctive clinical entity. The hospital database for admissions during 1 year was reviewed for patients presenting with SE; 4 of 5 previously healthy school-aged children with SE had CSD encephalopathy based on elevated indirect fluorescent antibody titers to Bartonella henselae. CSD encephalopathy should be included in the differential diagnosis of school-aged children presenting with SE.
    Journal of Pediatrics 06/1999; 134(5):635-8. DOI:10.1016/S0022-3476(99)70252-0 · 3.79 Impact Factor

Publication Stats

90 Citations
21.22 Total Impact Points


  • 2004-2014
    • University of Virginia
      • Division of Pediatrics
      Charlottesville, Virginia, United States