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Burden of acute otitis media in primary care pediatrics in Italy: a secondary data analysis from the Pedianet
Paola Marchisio1, Luigi Cantarutti, Miriam Sturkenboom
1Department of Pathophysiology and Transplantation, University of Milan, and Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico, Milan, Italy. paola.marchisio@unimi.it
Insights
Acute otitis media (AOM) incidence in Italian children was 16.8 per 100 person-years, decreasing annually. Diagnosis primarily used static otoscopes, highlighting a need for improved diagnostic education.
Area of Science:
- Pediatrics
- Epidemiology
- Infectious Diseases
Background:
- Acute otitis media (AOM) incidence varies globally due to geographical factors and study methodologies.
- This study investigates AOM incidence in Italian children managed by primary care pediatricians (PCPs).
Purpose of the Study:
- To assess the incidence of AOM in Italian children aged 0-6 years.
- To describe the diagnostic methods employed for AOM by PCPs.
Main Methods:
- Secondary data analysis of the Pedianet database (2003-2007).
- Inclusion of children aged 0-6 years, with AOM episodes validated via patient diaries.
- Calculation of incidence rates per 100 person-years (PY) for total, single, and recurrent AOM.
Main Results:
- A total of 92,373 children were followed for 227,361 PY, with 38,241 AOM episodes recorded.
- The overall AOM incidence rate was 16.8/100 PY, showing a slight annual decrease (-4.6%).
- Incidence peaked in 3-4 year olds (22.2/100 PY); static otoscopes were used in 96.3% of diagnoses.
Conclusions:
- AOM poses a significant burden on the Italian PCP system.
- Educational programs for AOM diagnosis are recommended.
- Further research is needed to monitor AOM incidence post-pneumococcal conjugate vaccine introduction.
Background:
The incidence of acute otitis media (AOM) vary from country to country. Geographical variations together with differences in study designs, reporting and settings play a role. We assessed the incidence of AOM in Italian children seen by primary care paediatricians (PCPs), and described the methods used to diagnose the disease.
Methods:
This secondary data analysis from the Pedianet database considered children aged 0-6 years between 01/2003 and 12/2007. The AOM episodes were identified and validated by means of patient diaries. Incidence rates/100 person-years (PY) were calculated for total AOM and for single or recurrent AOM.
Results:
The 92,373 children (52.1% males) were followed up for a total of 227,361 PY: 23,039 (24.9%) presented 38,241 episodes of AOM (94.6% single episodes and 5.4% recurrent episodes). The total incidence rate of AOM in the 5-year period was 16.8 episodes per 100 PY (95% CI: 16.7-16.9), including single AOM (15.9 episodes per 100 PY; 95% CI: 15.7-16.1) and recurrent AOM (0.9 episodes per 100 PY; 95% CI: 0.9-0.9). There was a slight and continuously negative trend decrease over time (annual percent change -4.6%; 95%CI: -5.3, -3.9%). The AOM incidence rate varied with age, peaking in children aged 3 to 4 years (22.2 episodes per 100 PY; 95% CI 21.8-22.7). The vast majority of the AOM episodes (36,842/38,241, 96.3%) were diagnosed using a static otoscope; a pneumatic otoscope was used in only 3.7%.
Conclusions:
Our data fill a gap in our knowledge of the incidence of AOM in Italy, and indicate that AOM represents a considerable burden for the Italian PCP system. Educational programmes concerning the diagnosis of AOM are needed, as are further studies to monitor the incidence in relation to the introduction of wider pneumococcal conjugate vaccines.
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