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The Variations and Deviations in the Use of Tympanostomy Tubes for Children with Otitis Media

The Variations and Deviations in the Use of Tympanostomy Tubes for Children with Otitis Media. Salomeh Keyhani MD MPH Lawrence C. Kleinman MD MPH Michael Rothschild MD Joseph M Bernstein MD Rebecca Anderson MPH Melissa Simon Mark Chassin MD MPP MPH Funding: Agency for Health Care Research

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The Variations and Deviations in the Use of Tympanostomy Tubes for Children with Otitis Media

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  1. The Variations and Deviations in the Use of Tympanostomy Tubes for Children with Otitis Media Salomeh Keyhani MD MPH Lawrence C. Kleinman MD MPH Michael Rothschild MD Joseph M Bernstein MD Rebecca Anderson MPH Melissa Simon Mark Chassin MD MPP MPH Funding: Agency for Health Care Research and Quality

  2. Background • Otitis Media (OM) is the most common illness with which children present to the doctor. • OME, AOM • Tympanostomy tube insertion is the most common procedure requiring general anesthesia for children in the US. • Rationale? • Previous research identified significant over utilization of tympanostomy tubes.

  3. Guidelines-OME 1994 Guidelines (AHRQ) 1) Antibiotic therapy or bilateral myringotomy with insertion of tympanostomy tubes to manage bilateral otitis media with effusion that has lasted a total of 3 months in an otherwise healthy child age 1 through 3 years who has a bilateral hearing deficit. 2) Insertion of tympanostomy tubes to manage bilateral otitis media with effusion that has lasted a total of 4 to 6 months in an otherwise healthy child age 1 through 3 years who has bilateral hearing deficit.

  4. Guidelines-RAOM Expert Panel • Tympanostomy tubes are indicated for patients with a high frequency of infection. • High frequency was defined by more than 4 infections in the 6 months preceding surgery or 6 or more infections in 12 months and greater than 2 infections in 6 months preceding surgery.

  5. Objective To report on the clinical characteristics of a cohort of New York City children who received tympanostomy tubes in 2002

  6. Methods-Study Population • We conducted a retrospective study of all tympanostomy tubes placed in 2002 in five New York City metropolitan area hospitals. • Identified all children under the age of 18 who underwent tympanostomy tube insertion that occurred between January 1, 2002 and December 31, 2002 in 5 NYC hospitals. • Patients who received ICD9 Code 20.01 as either the primary or secondary procedure were included in the cohort.

  7. Exclusions 6 Adults Hospital 1 16 craniofacial procedures Hospital 2 18 wrong coding Hospital 3 1087 TT Insertions 1 missing chart Hospital 4 1046 Cases in Cohort Hospital 5 35 cases Missing ENT Chart 59 cases Missing hospital chart 682 cases with complete data 270 cases missing PCP chart Clinical Analysis

  8. Data Collection • Socio-demographic information (age, sex, race) • Clinical information (otoscopic findings, hearing loss, speech delay, etc) • Data collected from each visit for every child in the study from hospital, primary care and otolaryngologist charts for all 12 months prior to surgery.

  9. Key Data Collection Assumptions • When OME was last documented in an ear, we assumed it to be present for 60 more days (or until the date of surgery) unless the chart documented that it had cleared in a subsequent visit. • When AOM was last noted on exam, we assumed the child did not have a normal otoscopic exam for 28 days unless a subsequent exam documented otherwise.

  10. Baseline Socio-demographic and Clinical Characteristics

  11. Otolaryngologist’s Reported Indication for Surgery-682 Cases • Otitis Media with Effusion (OME)-60.4% • Eustachian Tube Dysfunction (ETD)-10.6% • Recurrent Acute Otitis Media (RAOM)-20.7% • RAOM/OME-3.1% • Other-5.2%

  12. Summary Data-Extent of Disease Coefficient of variation ranged from 51% to 129%

  13. Summary Data-Extent of Disease

  14. 4.5 4 None 3.5 Concurrent Surgery History of Prior Tubes 3 At RiskCondition 2.5 2 1.5 1 0.5 0 Cumulative Months CumulativeMonths Consecutive Months Consecutive Months Unilateral Effusion Bilateral Effusion Unilateral Effusion Bilateral Effusion Measure of Effusion Duration of effusion (months) by subpopulations of children whose primary reason for surgery was OME Months

  15. 4 3.5 3 2.5 2 1.5 1 0.5 0 None ConcurrentSurgery History of Prior Tubes At Risk Condition Potential Extenuating Circumstances Mean number of episodes of AOM in the year prior to surgery by subpopulations of children whose primary reason for surgery was RAOM

  16. 1994 Guideline? Limiting cases to 186 children with OME1-3 years of age: 90.9% Not Concordant with guideline 9.1% Concordant with guideline

  17. Limitations • Missing data • Medical records • We needed to translate the intermittent assessments from the charts into the continuous variables we used in our analysis. • We rely on the otoscopic skills of a group of community practicing clinicians for diagnosis.

  18. Conclusions A substantial amount of practice departs from expert recommendations.

  19. Implications The extent of variation in treating this familiar condition with limited treatment options suggests both the importance and difficulty of managing common clinical practice to comport with guidelines.

  20. Implications Future research needs to explore both the optimal course of treatment and why clinical practice so frequently deviates from accepted guidelines.

  21. Key Data Collection Assumptions Episode AOM on Day 50 30 days 30 days 30 days 30 days Episode OME Day 1 Total Days AOM --28 OME --110

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