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Can trained nurses exclude acute otitis media with tympanometry or acoustic reflectometry in symptomatic children?

ABSTRACT: Since acute otitis media (AOM) is the most prevalent bacterial infection in young children, the reliable exclusion of AOM by nurses might save physicians' time for other duties. The study aim was to determine whether nurses without otoscopic experience can reliably use tympanometry or spectral gradient acoustic reflectometry (SG-AR) to exclude AOM.Three nurses were trained, who performed examinations with tympanometry and SG-AR. Pneumatic otoscopy by the study physician served as the diagnostic standard.Study clinic at primary health care level.281 children 6-35 months of age.Predictive values (with 95% confidence interval) for tympanometry and SG-AR, and the clinical usefulness, i.e. the proportion of visits where nurses obtained the exclusive test result from both ears of the child.At 459 visits, the negative predictive value of type A and C1 tympanograms (tympanometric peak pressure >-200 daPa) was 94% (91-97%). Based on type A and C1 tympanograms, the nurse could exclude AOM at 94/459 (20%) of visits. The negative predictive value of SG-AR level 1 result (>95°) was 94% (89-97%). Based on the SG-AR level 1 result, the nurse could exclude AOM at 36/459 (8%) of visits.Type A and C1 tympanograms and SG-AR level 1 results obtained by nurses are reliable test results in excluding AOM. However, the clinical usefulness of these test results is limited by their rarity. Type A and C1 tympanograms were obtained by nurses from both ears of the child only at one-fifth of the symptomatic visits. Key Points Acute otitis media (AOM) is the most prevalent bacterial infection in young children. Nurses' role in excluding AOM is unknown. Type A and C1 tympanograms (tympanometric peak pressure >-200 daPa) obtained by nurses are reliable test results in excluding AOM. With type A and C1 tympanograms, nurses could exclude AOM only at one-fifth of the symptomatic visits. The clinical usefulness of the exclusion of AOM performed by nurses seems to be limited.

SUBMITTER: Laine MK

PROVIDER: S-EPMC4750740 | biostudies-literature | 2015

REPOSITORIES: biostudies-literature

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Can trained nurses exclude acute otitis media with tympanometry or acoustic reflectometry in symptomatic children?

Laine Miia K MK Tähtinen Paula A PA Ruuskanen Olli O Löyttyniemi Eliisa E Ruohola Aino A

Scandinavian journal of primary health care 20151214 4

<h4>Objective</h4>Since acute otitis media (AOM) is the most prevalent bacterial infection in young children, the reliable exclusion of AOM by nurses might save physicians' time for other duties. The study aim was to determine whether nurses without otoscopic experience can reliably use tympanometry or spectral gradient acoustic reflectometry (SG-AR) to exclude AOM.<h4>Design</h4>Three nurses were trained, who performed examinations with tympanometry and SG-AR. Pneumatic otoscopy by the study ph ...[more]

PMID: 26651157

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Project description:BackgroundLimiting the duration of antimicrobial treatment constitutes a potential strategy to reduce the risk of antimicrobial resistance among children with acute otitis media.MethodsWe assigned 520 children, 6 to 23 months of age, with acute otitis media to receive amoxicillin-clavulanate either for a standard duration of 10 days or for a reduced duration of 5 days followed by placebo for 5 days. We measured rates of clinical response (in a systematic fashion, on the basis of signs and symptomatic response), recurrence, and nasopharyngeal colonization, and we analyzed episode outcomes using a noninferiority approach. Symptom scores ranged from 0 to 14, with higher numbers indicating more severe symptoms.ResultsChildren who were treated with amoxicillin-clavulanate for 5 days were more likely than those who were treated for 10 days to have clinical failure (77 of 229 children [34%] vs. 39 of 238 [16%]; difference, 17 percentage points [based on unrounded data]; 95% confidence interval, 9 to 25). The mean symptom scores over the period from day 6 to day 14 were 1.61 in the 5-day group and 1.34 in the 10-day group (P=0.07); the mean scores at the day-12-to-14 assessment were 1.89 versus 1.20 (P=0.001). The percentage of children whose symptom scores decreased more than 50% (indicating less severe symptoms) from baseline to the end of treatment was lower in the 5-day group than in the 10-day group (181 of 227 children [80%] vs. 211 of 233 [91%], P=0.003). We found no significant between-group differences in rates of recurrence, adverse events, or nasopharyngeal colonization with penicillin-nonsusceptible pathogens. Clinical-failure rates were greater among children who had been exposed to three or more children for 10 or more hours per week than among those with less exposure (P=0.02) and were also greater among children with infection in both ears than among those with infection in one ear (P<0.001).ConclusionsAmong children 6 to 23 months of age with acute otitis media, reduced-duration antimicrobial treatment resulted in less favorable outcomes than standard-duration treatment; in addition, neither the rate of adverse events nor the rate of emergence of antimicrobial resistance was lower with the shorter regimen. (Funded by the National Institute of Allergy and Infectious Diseases and the National Center for Research Resources; ClinicalTrials.gov number, NCT01511107 .).

Project description:Recommendations vary regarding immediate antimicrobial treatment versus watchful waiting for children younger than 2 years of age with acute otitis media.We randomly assigned 291 children 6 to 23 months of age, with acute otitis media diagnosed with the use of stringent criteria, to receive amoxicillin-clavulanate or placebo for 10 days. We measured symptomatic response and rates of clinical failure.Among the children who received amoxicillin-clavulanate, 35% had initial resolution of symptoms by day 2, 61% by day 4, and 80% by day 7; among children who received placebo, 28% had initial resolution of symptoms by day 2, 54% by day 4, and 74% by day 7 (P=0.14 for the overall comparison). For sustained resolution of symptoms, the corresponding values were 20%, 41%, and 67% with amoxicillin-clavulanate, as compared with 14%, 36%, and 53% with placebo (P=0.04 for the overall comparison). Mean symptom scores over the first 7 days were lower for the children treated with amoxicillin-clavulanate than for those who received placebo (P=0.02). The rate of clinical failure--defined as the persistence of signs of acute infection on otoscopic examination--was also lower among the children treated with amoxicillin-clavulanate than among those who received placebo: 4% versus 23% at or before the visit on day 4 or 5 (P<0.001) and 16% versus 51% at or before the visit on day 10 to 12 (P<0.001). Mastoiditis developed in one child who received placebo. Diarrhea and diaper-area dermatitis were more common among children who received amoxicillin-clavulanate. There were no significant changes in either group in the rates of nasopharyngeal colonization with nonsusceptible Streptococcus pneumoniae.Among children 6 to 23 months of age with acute otitis media, treatment with amoxicillin-clavulanate for 10 days tended to reduce the time to resolution of symptoms and reduced the overall symptom burden and the rate of persistent signs of acute infection on otoscopic examination. (Funded by the National Institute of Allergy and Infectious Diseases; ClinicalTrials.gov number, NCT00377260.).

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Can trained nurses exclude acute otitis media with tympanometry or acoustic reflectometry in symptomatic children?

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Can trained nurses exclude acute otitis media with tympanometry or acoustic reflectometry in symptomatic children?

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