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Background: Although primarily considered a childhood disease, acute otitis media (AOM) also occurs in adults. Data on the burden of this condition in adults are, however, scarce.Objective: To explore the primary care incidence and current management of AOM in adults.Methods: All patients aged 15 and older included in the routine health care database of the Julius General Practitioners' Network were followed from 2015 to 2018 (contributing to a total of 1 261 575 person-years). We extracted data on AOM episodes, AOM-related consultations, comorbidities, and antibiotic and analgesic prescriptions.Results: Five thousand three hundred and fifty-eight patients experienced one or more AOM episodes (total number of AOM episodes: 6667; mean 1.2 per patient). The overall AOM incidence was 5.3/1000 person-years and was fairly stable over the study period. Incidence was particularly high in atopic patients (7.3/1000 person-years) and declined with age (from 7.1 in patients 15-39 years of age to 2.7/1000 person-years in those aged 64 years and older). Oral antibiotics, predominantly amoxicillin, were prescribed in 46%, and topical antibiotics in 21% of all episodes.Conclusion: Over the past years, the incidence of AOM in adults in primary care has been stable. Oral antibiotic prescription rates resemble those in children with AOM, whereas a remarkably high topical antibiotic prescription rate was observed. Future prognostic research should inform on the need and feasibility of prospective studies into the best management strategy in this condition. [ABSTRACT FROM AUTHOR]

Background: Acute otitis media (AOM) is among the most common paediatric conditions managed in primary care. Most recent estimates of the cost of AOM date from a decade ago and lack a full societal perspective. We therefore explored the societal cost of childhood AOM in the Netherlands within the setting of a trial comparing the effectiveness of an intervention aimed at educating general practitioners (GPs) about pain management in AOM compared to usual care.Methods: Economic analysis alongside a cluster randomised controlled trial conducted between February 2015 and May 2018 in 37 practices (94 GPs). In total, 224 children with AOM were included of which 223 (99%) completed the trial (intervention: n = 94; control: n = 129). The cost of AOM due to health care costs, patient and family costs, and productivity losses by parent caregivers were retrieved from study diaries and primary care electronic health records, during 28-day follow-up. We calculated mean cost (€ and $) per AOM episode per patient with standard deviations (SD, in €) regardless of study group assignment because there was no clinical effect of the trial intervention. In sensitivity analysis, we calculated cost in the intervention and usual care group, after exclusion of extreme outliers.Results: Mean total AOM cost per patient were €565.93 or $638.78 (SD €1071.01); nearly 90% of these costs were due to productivity losses experienced by parents. After exclusion of outliers, AOM cost was €526.70 or $594.50 (SD €987.96) and similar in the intervention and usual care groups: €516.10 or $582.53 (SD €949.69) and €534.55 or $603.36 (SD €920.55) respectively.Conclusions: At €566 or $639 per episode, societal cost of AOM is higher than previously known and mainly driven by productivity losses by children's parents. Considering its high incidence, AOM poses a significant economic burden that extends beyond direct medical costs.Trial Registration: Netherlands Trial Register no. NTR4920: http://www.trialregister.nl/trialreg/admin/rctview.asp?TC=4920 . [ABSTRACT FROM AUTHOR]

Background: Pain management in acute otitis media (AOM) is often suboptimal, potentially leading to unnecessary discomfort, GP reconsultation, and antibiotic prescribing.Aim: To assess the effectiveness of a GP-targeted educational intervention to improve pain management in children with AOM.Design and Setting: Pragmatic, cluster randomised controlled trial (RCT). GPs in 37 practices (intervention n = 19; control n = 18) across the Netherlands recruited 224 children with GP-confirmed AOM and ear pain (intervention n = 94; control n = 130) between February 2015 and May 2018.Method: GPs in practices allocated to the intervention group were trained (online and face-to-face) to discuss pain management with parents using an information leaflet, and prompted to prescribe weight-appropriate dosed paracetamol. Ibuprofen was additionally prescribed if pain control was still insufficient. GPs in the control group provided usual care.Results: Mean ear pain scores over the first 3 days were similar between groups (4.66 versus 4.36; adjusted mean difference = -0.05; 95% confidence intervals [CI] = -0.93 to 0.83), whereas analgesic use, in particular ibuprofen, was higher in the intervention group. The total number of antibiotic prescriptions during the 28-day follow-up was similar (mean rate 0.43 versus 0.47; adjusted rate ratio [aRR] 0.97; 95% CI = 0.68 to 1.38). Parents of children in the intervention group were more likely to reconsult for AOM-related complaints (mean rate 0.70 versus 0.41; aRR 1.73; 95% CI = 1.14 to 2.62).Conclusion: An intervention aimed at improving pain management for AOM increases analgesic use, particularly ibuprofen, but does not provide symptomatic benefit. GPs are advised to carefully weigh the potential benefits of ibuprofen against its possible harms. [ABSTRACT FROM AUTHOR]

Background: Acute otitis media (AOM) is a common painful infection in children, with around 2.8 million cases presenting to primary care in England and Wales annually. Nearly all children who present to their general practitioner (GP) with AOM or AOM with discharge (AOMd) are treated with orally administered antibiotics. These can cause side effects; contribute to the growing problem of antimicrobial resistance, and more rarely, allergic reactions. Alternative treatments, such as an antibiotic eardrops, or 'delayed' orally administered antibiotics, could be at least as effective and safe as immediate orally administered antibiotics for children with AOMd.Methods/design: REST is a pragmatic, three-arm, individually randomised, non-inferiority trial being conducted in 175 GP practices across the United Kingdom (UK). The study aims to recruit 399 children aged (≥ 12 months and < 16 years) presenting to their GP with AOMd. Children will be randomised to one of three arms: immediate ciprofloxacin 0.3% eardrops; delayed orally administered amoxicillin (clarithromycin if penicillin allergic) or immediate orally administered amoxicillin (clarithromycin). Recruitment, including eligibility screening, randomisation and data collection, are conducted using the innovative, TRANSFoRm electronic trial management platform. Integrated within the primary care electronic medical records it provides automatic eligibility checking, part-filling of e-CRFs, study workflow management and routine NHS follow-up data collection. The primary outcome is time to resolution of all significant symptoms and will be collected by the parent using a Symptom Recovery Questionnaire (SRQ). Secondary outcomes, including cost-effectiveness, duration of moderately bad or worse symptoms and repeat AOMd episodes, will be collected at day-14 and at 3 months.Discussion: It is unclear whether prescribing orally administered antibiotics to children with AOMd results in a reduction in symptoms or a shorter duration of illness. The REST trial should allow us to compare the non-inferiority of: immediate topically administered ciprofloxacin ear drops, or delayed orally administered amoxicillin (clarithromycin) against immediate orally administered amoxicillin (clarithromycin). We aim to recruit 399 patients from 175 practices in the UK. Using the TRANSFoRm software to randomise participants to the trial will enable recruitment for a relatively uncommon condition.Trial Registration: Name of Registry: ISCRTN Registration Number: ISRCTN12873692. This contains all items required to comply with the World Health Organization Trial Registration Data Set Date of Registration: 24 April 2018 Name of Registry: EudraCT Registration Number: 2017-003635-10 Date of Registration: 6 September 2017. [ABSTRACT FROM AUTHOR]

Purpose: Annual influenza immunization in medical risk groups is recommended in many countries. Recent evidence suggests that repeated inactivated influenza vaccine (IIV) immunization throughout childhood may impair long-term immunity against influenza. We assessed whether prior immunization altered the effect of IIV in children with preexisting medical conditions on primary care-diagnosed respiratory illness (RI) episodes during the influenza season.Methods: Electronic records of IIV-immunized children who met the criteria for annual IIV immunization according to Dutch guidelines were extracted from a primary care database from 2004 to 2015. For each year, we collected information on IIV immunization status, primary care-attended RI episodes (including influenza-like illness, acute RI, and asthma exacerbation), and potential confounders. Generalized estimating equations were used to model the association between prior IIV and occurrence of at least one RI episode during the influenza season, with "current year immunized but without IIV history" as reference group.Results: A total of 4,183 children (follow-up duration: 11,493 child-years) were IIV immunized at least once. Adjusted estimates showed lower odds for RI in current year-immunized children with prior IIV compared with those without (odds ratio [OR] = 0.61; 95% CI, 0.47-0.78 for "current year immunized and one IIV in previous 2 years"; OR = 0.85; 95% CI, 0.68-1.07 for "current year immunized and ≥2 IIVs in previous 3 years, including prior year").Conclusion: Repeated IIV immunization in children with preexisting medical conditions has no negative impact on, and may even increase, long-term protection against RI episodes diagnosed during the influenza season in primary care. [ABSTRACT FROM AUTHOR]

Objective: Antibiotic treatment of acute otitis media (AOM) has been suggested to increase the risk of future AOM episodes by causing unfavorable shifts in microbial flora. Because current evidence on this topic is inconclusive and long-term follow-up data are scarce, we wanted to estimate the effect of antibiotic treatment for a first AOM episode occurring during infancy on AOM recurrences and AOM-related health care utilization later in life. Methods: We obtained demographic information and risk factors from data of the Wheezing Illnesses Study Leidsche Rijn, a prospective birth cohort study in which all healthy newborns born in Leidsche Rijn (between 2001 and 2012), The Netherlands, were enrolled. These data were linked to children’s primary care electronic health records up to the age of four. Children with at least one family physician-diagnosed AOM episode before the age of two were included in analyses. The exposure of interest was the prescription of oral antibiotics (yes vs no) for a child’s first AOM episode before the age of two years. Results: 848 children were included in analyses and 512 (60%) children were prescribed antibiotics for their first AOM episode. Antibiotic treatment was not associated with an increased risk of total AOM recurrences (adjusted rate ratio: 0.94, 95% CI: 0.78–1.13), recurrent AOM (≥3 episodes in 6 months or ≥4 in one year; adjusted risk ratio: 0.79, 95% CI: 0.57–1.11), or with increased AOM-related health care utilization during children’s first four years of life. Conclusions: Oral antibiotic treatment of a first AOM episode occurring during infancy does not affect the number of AOM recurrences and AOM-related health care utilization later in life. This information can be used when weighing the pros and cons of various AOM treatment options. [ABSTRACT FROM AUTHOR]

Background Daycare attendance is an established risk factor for upper respiratory tract infections (URTI) and acute otitis media (AOM). Whether this results in higher use of healthcare resources during childhood remains unknown. We aim to assess the effect of first year daycare attendance on the timing and use of healthcare resources for URTI and AOM episodes during early childhood. Methods In the Wheezing-Illnesses-STudy-LEidsche-Rijn birth cohort, 2,217 children were prospectively followed up to age six years. Children were categorized according to first-year daycare attendance (yes versus no) and age at entry when applicable (age 0 to 2 months, 3 to 5 months and 6 to 12 months). Information on general practitioner (GP) diagnosed URTI and AOM, GP consultations, antibiotic prescriptions and specialist referral was collected from medical records. Daycare attendance was recorded by monthly questionnaires during the first year of life. Results First-year daycare attendees and non-attendees had similar total six-year rates of GPdiagnosed URTI and AOM episodes (59/100 child-years, 95% confidence interval 57 to 61 versus 56/100 child-years, 53 to 59). Daycare attendees had more GP-diagnosed URTI and AOM episodes before the age of one year and fewer beyond the age of four years than nonattendees (Pinteraction <0.001). Daycare attendees had higher total six-year rates for GP consultation (adjusted rate ratio 1.15, 1.00 to 1.31) and higher risk for specialist referrals (hazard ratio:1.43, 1.01 to 2.03). The number of antibiotic prescriptions in the first six years of life was only significantly increased among children who entered daycare between six to twelve months of age (rate ratio 1.32, 1.04 to 1.67). This subgroup of child-care attendees also had the highest overall URTI and AOM incidence rates, GP consultation rates and risk for specialist referral. Conclusions Children who enter daycare in the first year of life, have URTI and AOM at an earlier age, leading to higher use of healthcare resources compared to non-attendees, especially when entering daycare between six to twelve months. These findings emphasize the need for improved prevention strategies in daycare facilities to lower infection rates at the early ages. [ABSTRACT FROM AUTHOR]

Objective. To determine age-specific antibiotic prescription and referral rates in preschool children diagnosed with acute respiratory tract infection (RTI) in primary care. Design. Retrospective cohort study. Setting. Research database of the Netherlands University Medical Center Utrecht Primary Care Network. Subjects. All children aged 0–5 years within the database were included, covering 1998 to 2002 (18,801 child-years). Main outcome measures. Antibiotic prescription and referral rates were determined as percentage of children with at least one prescription or referral within a year, as total number of prescriptions per 1000 child-years, and as percentage of all RTI episodes. Results. Antibiotics, mostly beta-lactam (80%) and macrolides (16%), were prescribed in 35% of RTI episodes. Annually 13% of the children received at least one antibiotic following an RTI. Antibiotics were prescribed in more than half of episodes of LRTI, sinusitis, AOM, and acute tonsillitis, and in 12–15% of episodes of asthma exacerbation, acute laryngitis, influenza acute, and acute upper respiratory infection (including common cold and pharyngitis). Almost 98% of RTIs were managed in primary care. On average 1% of the children were referred to a paediatrician or ENT specialist following RTI per year, especially after AOM (59% of referrals). Compared with older children, those under two years of age were more often treated with antibiotics (relative risk [RR] 1.4, 95% CI 1.3–1.6) and referred (RR 2.3; 95% CI 1.8–3.0). Conclusion. In the Netherlands most episodes of RTIs in preschool children were managed in primary care and this often involves prescription of antibiotics. Children younger than two years of age receive more often antibiotics for RTI and are also referred more, especially for AOM. [ABSTRACT FROM AUTHOR]

Highlights • Pneumococcal conjugate vaccination (PCV) in infancy is widely implemented globally. • PCV may impact pneumococcal AOM episodes occurring during early childhood. • Our study suggests that PCV postpones the onset and reduces the risk of first AOM. • PCV however did not affect AOM recurrences in children up to the age of four years. Abstract Background It has been hypothesized that widespread implementation of pneumococcal conjugate vaccination (PCV) in infancy reduces early AOM and thereby prevents further AOM episodes and associated health care resource use. Methods We tested this hypothesis by applying an extension of the original Cox proportional hazards model (Prentice, Williams and Petersons' total time) to individual AOM episodes recorded in pseudonymised primary care electronic health records of 18,237 Dutch children born between 2004 and 2015. Children were assigned to three groups: no-PCV (January 2004-March 2006), PCV7 (April 2006-February 2011) and PCV10 (March 2011-February 2015). Results Of the 18,237 newborns, 6967 (38%) experienced at least one GP-diagnosed AOM episode up to the age of four years (median age at first AOM: 12 months, interquartile range: 12; total number of AOM episodes: 14,689). Time-to-first AOM was longest in the PCV10 group compared with the PCV7 and no-PCV groups (log rank test: P < 0.001); in these groups 30% had experienced a first AOM at 20, 17 and 15 months, respectively. Children in the PCV10 group had a 21% lower risk of experiencing a first AOM episode than those in the no-PCV group (hazard ratio (HR): 0.79, 95% confidence interval (CI): 0.72–0.86), while the effect was less pronounced for the PCV7 group (HR: 0.94, 95% CI: 0.87–1.02). Neither PCV7 nor PCV10 reduced the risk of AOM recurrences. Compared to no-PCV, HRs for overall AOM were 1.00 (95% CI: 0.95–1.06) and 0.89 (95% CI: 0.84–0.95) for PCV7 and PCV10, respectively. Conclusion Our cohort study suggests that PCV postpones the onset and reduces the risk of first AOM without affecting recurrences. The impact of PCV on overall AOM in children up to the age of four years seems therefore largely attributable to the prevention of a first AOM episode. [ABSTRACT FROM AUTHOR]

Abstract: Objective: (a) To establish whether disease-related, child-related, and physician-related factors are independently associated with specialist referral in young children with recurrent RTI, and (b) to evaluate whether general practitioners (GPs) follow current guidelines regarding these referrals. Methods: Electronic GP records of children under 24month of age, born 2002–2008, were reviewed for RTI episodes using ICPC codes. Child-related factors were extracted from the prospective WHISTLER birth-cohort in which a considerable part of children had been enrolled. To evaluate guideline adherence, referral data were compared to national guideline recommendations. Results: Consultations for 2532 RTI episodes (1041 children) were assessed. Seventy-eight children were referred for recurrent RTI (3.1% of RTI episodes; 7.5% of children). Disease factors were the main determinants of referral: number (OR 1.7 [CI 1.7–1.7]) and severity of previous RTI episodes (OR 2.2 [CI 1.6–2.8]), and duration of RTI episode (OR 1.7 [CI 1.7–1.8]). The non-disease factors daycare attendance (OR 1.3 [CI 1.0–1.7]) and 5–10 years working experience as a GP compared with <5 years (OR 0.37 [CI 0.27–0.50]) were also associated. Fifty-seven percent of referrals for recurrent RTI were made in accordance with national guidelines. Conclusions: Referral of children for recurrent RTI was primarily determined by frequency, severity, and duration of RTIs; the influence of non-disease factors was limited. Just over half of referrals were made in accordance with guidelines. [Copyright &y& Elsevier]