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Effectiveness of Tympanostomy Tubes for Otitis Media: A Meta-analysis
Dale W Steele1,2,3,4, Gaelen P Adam5, Mengyang Di5
1Evidence-based Practice Center, Center for Evidence Synthesis in Health, dale_steele@brown.edu.
Insights
Tympanostomy tubes improve hearing in children with chronic ear effusion in the short term, but benefits diminish over time. Evidence for recurrent ear infections is limited, and potential adverse events require consideration.
Area of Science:
- Pediatric Otolaryngology
- Evidence Synthesis
- Clinical Effectiveness Research
Background:
- Tympanostomy tube placement is a common pediatric ambulatory surgery.
- Chronic otitis media with effusion and recurrent acute otitis media are common pediatric conditions.
Purpose of the Study:
- To synthesize evidence on the effectiveness of tympanostomy tubes in children with chronic otitis media with effusion (COME) and recurrent acute otitis media (RAOM).
Main Methods:
- Comprehensive literature searches were conducted across multiple databases (Medline, Cochrane, Embase, CINAHL).
- Abstracts and full-text articles underwent independent screening by two investigators.
- Random effects network meta-analyses were performed where feasible on 147 included articles.
Main Results:
- Tympanostomy tubes showed a net decrease in mean hearing threshold of 9.1 dB at 1-3 months for COME, with no significant difference by 12-24 months.
- Placement of tympanostomy tubes may reduce episodes in children with RAOM, though supporting evidence is limited.
- Adverse events associated with tympanostomy tubes are poorly defined and reported.
Conclusions:
- Tympanostomy tubes offer short-term hearing improvement for COME but lack long-term benefit.
- Evidence for tympanostomy tube effectiveness in RAOM is limited and primarily applies to otherwise healthy children.
- The benefits of tympanostomy tubes must be carefully weighed against potential adverse events.
Context:
Tympanostomy tube placement is the most common ambulatory surgery performed on children in the United States.
Objectives:
The goal of this study was to synthesize evidence for the effectiveness of tympanostomy tubes in children with chronic otitis media with effusion and recurrent acute otitis media.
Data Sources:
Searches were conducted in Medline, the Cochrane Central Trials Registry and Cochrane Database of Systematic Reviews, Embase, and the Cumulative Index to Nursing and Allied Health Literature.
Study Selection:
Abstracts and full-text articles were independently screened by 2 investigators.
Data Extraction:
A total of 147 articles were included. When feasible, random effects network meta-analyses were performed.
Results:
Children with chronic otitis media with effusion treated with tympanostomy tubes compared with watchful waiting had a net decrease in mean hearing threshold of 9.1 dB (95% credible interval: -14.0 to -3.4) at 1 to 3 months and 0.0 (95% credible interval: -4.0 to 3.4) by 12 to 24 months. Children with recurrent acute otitis media may have fewer episodes after placement of tympanostomy tubes. Associated adverse events are poorly defined and reported.
Limitations:
Sparse evidence is available, applicable only to otherwise healthy children.
Conclusions:
Tympanostomy tubes improve hearing at 1 to 3 months compared with watchful waiting, with no evidence of benefit by 12 to 24 months. Children with recurrent acute otitis media may have fewer episodes after tympanostomy tube placement, but the evidence base is severely limited. The benefits of tympanostomy tubes must be weighed against a variety of associated adverse events.
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