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Meta-Analysis
. 2015 Jun 23;2015(6):CD000219.
doi: 10.1002/14651858.CD000219.pub4.

Antibiotics for acute otitis media in children

Roderick P Venekamp  1 , Sharon L Sanders, Paul P Glasziou, Chris B Del Mar, Maroeska M Rovers
Affiliations
Meta-Analysis

Antibiotics for acute otitis media in children

Roderick P Venekamp et al. Cochrane Database Syst Rev. .

Update in

  • Antibiotics for acute otitis media in children.
    Venekamp RP, Sanders SL, Glasziou PP, Rovers MM. Venekamp RP, et al. Cochrane Database Syst Rev. 2023 Nov 15;11(11):CD000219. doi: 10.1002/14651858.CD000219.pub5. Cochrane Database Syst Rev. 2023. PMID: 37965923 Free PMC article.

Abstract

Background: Acute otitis media (AOM) is one of the most common diseases in early infancy and childhood. Antibiotic use for AOM varies from 56% in the Netherlands to 95% in the USA, Canada and Australia. This is an update of a Cochrane review first published in The Cochrane Library in Issue 1, 1997 and previously updated in 1999, 2005, 2009 and 2013.

Objectives: To assess the effects of antibiotics for children with AOM.

Search methods: We searched CENTRAL (2015, Issue 3), MEDLINE (1966 to April week 3, 2015), OLDMEDLINE (1958 to 1965), EMBASE (January 1990 to April 2015), Current Contents (1966 to April 2015), CINAHL (2008 to April 2015) and LILACS (2008 to April 2015).

Selection criteria: Randomised controlled trials (RCTs) comparing 1) antimicrobial drugs with placebo and 2) immediate antibiotic treatment with expectant observation (including delayed antibiotic prescribing) in children with AOM.

Data collection and analysis: Two review authors independently assessed trial quality and extracted data.

Main results: For the review of antibiotics against placebo, 13 RCTs (3401 children and 3938 AOM episodes) from high-income countries were eligible and had generally low risk of bias. The combined results of the trials revealed that by 24 hours from the start of treatment, 60% of the children had recovered whether or not they had placebo or antibiotics. Pain was not reduced by antibiotics at 24 hours (risk ratio (RR) 0.89, 95% confidence interval (CI) 0.78 to 1.01) but almost a third fewer had residual pain at two to three days (RR 0.70, 95% CI 0.57 to 0.86; number needed to treat for an additional beneficial outcome (NNTB) 20). A quarter fewer had pain at four to seven days (RR 0.76, 95% CI 0.63 to 0.91; NNTB 16) and two-thirds fewer had pain at 10 to 12 days (RR 0.33, 95% CI 0.17 to 0.66; NNTB 7) compared with placebo. Antibiotics did reduce the number of children with abnormal tympanometry findings at two to four weeks (RR 0.82, 95% CI 0.74 to 0.90; NNTB 11), at six to eight weeks (RR 0.88, 95% CI 0.78 to 1.00; NNTB 16) and the number of children with tympanic membrane perforations (RR 0.37, 95% CI 0.18 to 0.76; NNTB 33) and halved contralateral otitis episodes (RR 0.49, 95% CI 0.25 to 0.95; NNTB 11) compared with placebo. However, antibiotics neither reduced the number of children with abnormal tympanometry findings at three months (RR 0.97, 95% CI 0.76 to 1.24) nor the number of children with late AOM recurrences (RR 0.93, 95% CI 0.78 to 1.10) when compared with placebo. Severe complications were rare and did not differ between children treated with antibiotics and those treated with placebo. Adverse events (such as vomiting, diarrhoea or rash) occurred more often in children taking antibiotics (RR 1.38, 95% CI 1.19 to 1.59; number needed to treat for an additional harmful outcome (NNTH) 14). Funnel plots do not suggest publication bias. Individual patient data meta-analysis of a subset of included trials found antibiotics to be most beneficial in children aged less than two years with bilateral AOM, or with both AOM and otorrhoea.For the review of immediate antibiotics against expectant observation, five trials (1149 children) from high-income countries were eligible and had low to moderate risk of bias. Four trials (1007 children) reported outcome data that could be used for this review. From these trials, data from 959 children could be extracted for the meta-analysis of pain at three to seven days. No difference in pain was detectable at three to seven days (RR 0.75, 95% CI 0.50 to 1.12). One trial (247 children) reported data on pain at 11 to 14 days. Immediate antibiotics were not associated with a reduction in the number of children with pain (RR 0.91, 95% CI 0.75 to 1.10) compared with expectant observation. Additionally, no differences in the number of children with abnormal tympanometry findings at four weeks, tympanic membrane perforations and AOM recurrence were observed between groups. No serious complications occurred in either the antibiotic or the expectant observation group. Immediate antibiotics were associated with a substantial increased risk of vomiting, diarrhoea or rash compared with expectant observation (RR 1.71, 95% CI 1.24 to 2.36; NNTH 9).Results from an individual patient data meta-analysis including data from six high-quality trials (1643 children) that were also included as individual trials in our review showed that antibiotics seem to be most beneficial in children younger than two years of age with bilateral AOM (NNTB 4) and in children with both AOM and otorrhoea (NNTB 3).

Authors' conclusions: This review reveals that antibiotics have no early effect on pain, a slight effect on pain in the days following and only a modest effect on the number of children with tympanic perforations, contralateral otitis episodes and abnormal tympanometry findings at two to four weeks and at six to eight weeks compared with placebo in children with AOM. In high-income countries, most cases of AOM spontaneously remit without complications. The benefits of antibiotics must be weighed against the possible harms: for every 14 children treated with antibiotics one child experienced an adverse event (such as vomiting, diarrhoea or rash) that would not have occurred if antibiotics were withheld. Therefore clinical management should emphasise advice about adequate analgesia and the limited role for antibiotics. Antibiotics are most useful in children under two years of age with bilateral AOM, or with both AOM and otorrhoea. For most other children with mild disease in high-income countries, an expectant observational approach seems justified.

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Conflict of interest statement

Chris Del Mar (CDM) declares no conflicts of interests in the current work. Maroeska M. Rovers (MMR) has participated in workshops and educational activities on otitis media organised by GlaxoSmithKline and received a grant from GlaxoSmithKline for a study on the microbiology of otitis media in 2009. Roderick P. Venekamp (RPV) is an Editor of the Cochrane Acute Respiratory Infections Group. Sharon L Sanders (SLS) declares no conflicts of interests in the current work. Paul P Glasziou (PPG) is co‐investigator on NHMRC funded grant Antibiotic Resistance.

Figures

1
1
'Risk of bias' summary: review authors' judgements about each risk of bias item for each included study.
2
2
'Risk of bias' graph: review authors' judgements about each risk of bias item presented as percentages across all included studies.
3
3
L'Abbé plot of the rates of pain at 24 hours for the placebo (control) versus antibiotic (experimental) group.
4
4
L'Abbé plot of the rates of pain at two to three days for the placebo (control) versus antibiotic (experimental) group.
5
5
Funnel plot of comparison: 1 Antibiotic versus placebo, outcome: 1.1 Pain.
6
6
Percentage with pain based on the subset of six studies included in the IPD meta‐analysis (Rovers 2006).
1.1
1.1. Analysis
Comparison 1 Antibiotics versus placebo, Outcome 1 Pain.
1.2
1.2. Analysis
Comparison 1 Antibiotics versus placebo, Outcome 2 Vomiting, diarrhoea or rash.
1.3
1.3. Analysis
Comparison 1 Antibiotics versus placebo, Outcome 3 Abnormal tympanometry.
1.4
1.4. Analysis
Comparison 1 Antibiotics versus placebo, Outcome 4 Tympanic membrane perforation.
1.5
1.5. Analysis
Comparison 1 Antibiotics versus placebo, Outcome 5 Contralateral otitis (in unilateral cases).
1.6
1.6. Analysis
Comparison 1 Antibiotics versus placebo, Outcome 6 Late AOM recurrences.
2.1
2.1. Analysis
Comparison 2 Immediate antibiotics versus expectant observation, Outcome 1 Pain.
2.2
2.2. Analysis
Comparison 2 Immediate antibiotics versus expectant observation, Outcome 2 Vomiting, diarrhoea or rash.
2.3
2.3. Analysis
Comparison 2 Immediate antibiotics versus expectant observation, Outcome 3 Abnormal tympanometry at 4 weeks.
2.4
2.4. Analysis
Comparison 2 Immediate antibiotics versus expectant observation, Outcome 4 Tympanic membrane perforation.
2.5
2.5. Analysis
Comparison 2 Immediate antibiotics versus expectant observation, Outcome 5 AOM recurrences.
See this image and copyright information in PMC

Update of

Comment in

References

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