{ Diagnostic Teamwork:  Why We All Need to  Stick Together

3/4/2013
Diagnostic Teamwork: Why We All Need to Stick Together
{
GEAR UP!
Families & Professionals Working Together for Michigan’s Children Who are Deaf & Hard of Hearing
Introduction
To improve early identification of hearing loss and intervention services for children of all ages by providing a learning experience for parents and professionals
Purpose
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To provide practical information for parents/families about early diagnosis and intervention services for infants, children and youth who are deaf or hard of hearing
 To increase the skills and knowledge base of professionals who work with children who are deaf or hard of hearing
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Goals
Julie Carlson
Ellen Thomas
Anita Vereb

Introductions
The infant’s pediatrician, family physician, or other primary health care professional is in a position to advocate for the child and family.
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Medical Home
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The infant’s pediatrician, family physician, or other primary health care professional is in the best
position to advocate for the child and family?
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Medical Home
Primary Physician
Family/Child
Model
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Prevalence of congenital hearing loss
 ~3‐4 per 1000
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Size of average pediatric practice
~1500 patients
~80‐90 new patients per year
 ~1 new ID every few years
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Problems with Model
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?
Primary Physician
Family/Child
Model
Family/Child
Model
Questions?
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
1‐3‐6 Goals
Hearing Screening by 1 Month
Comprehensive Audiologic
Evaluation by 3 Months
 Appropriate Intervention by 6 Months
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Current State
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Hearing Screening by 1 Month
 27482/27622

98.2%
1 Month Goal
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Comprehensive Audiologic Evaluation by 3 Months
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39.3% Loss to Follow‐Up/Loss to Documentation Nationally
54.4% Loss to Follow‐Up/Loss to Documentation in Michigan
3 Month Goal
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
Comprehensive audiologic
evaluation

http://www.michigan.gov/documents/
mdch/Final_guidelines_2012_409853_7
.pdf
3 Month goal

Comprehensive audiologic
evaluation
3 Month goal

Appropriate Intervention by 6 Months

What is appropriate intervention by 6 Months?
6 Month Goal
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
Appropriate Intervention by 6 Months

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30.6% Enrolled in Early Intervention in Michigan
66.5% Enrolled in Early Intervention Nationally
6 Month Goal

Appropriate Intervention by 6 Months
6 Month Goal
Questions?
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Otolaryngologist
Family/Child
Medical Evaluation
Medical Evaluation
Every infant with a confirmed hearing loss should be evaluated by an otolaryngologist who has knowledge of pediatric hearing loss” – JCIH 2007
 Components of Otolaryngologic
Evaluation
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Complete history and physical examination
Imaging
Consideration of genetic testing
Consideration of other diagnostic testing
Medical Evaluation
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Etiology of Congenital Hearing Loss
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Available Studies
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CBC
Platelets
ANA, RF, ESR
TSH
BUN, Cr, UA
Glucose
FTA‐ABS, RPR
EKG
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Identified Causes
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Leukemia
Fechtner Syndrome
Autoimmune
Pendred
Alport
Alstrom
Syphilis
Jervell and Lange‐
Nielsen
Historical Approach

Very low diagnostic yield
Mafong et al. 2002‐ 114 patients evaluated with full test battery
 Multiple positives on routine laboratory testing, none associated with clinical disease
 One prolonged QT‐ positive family history
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Historical Approach
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Careful History

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Focuses on acquired causes
Identification of Risk Factors

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Family History
NICU Stay
In utero infections

Congenital Cytomegalovirus (CMV)
Current Approach
Current Approach
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Physical Examination

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Identify otologic abnormalities
Identify syndromic causes
Genetics evaluation may be helpful
Consideration of ophthalmology referral
Additional testing as indicated

Genetic Testing
Mutations in a single gene account for about half of non‐syndromic autosomal recessive hearing loss
 GJB2 (Connexin 26)

Present in approximately 40% of patients with bilateral, severe to profound loss
 Present in approximately 20% of patients with congenital hearing loss overall
 Testing is widely commercially available

Current Approach
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
Temporal Bone Imaging
Identifies diagnostic information in approximately 30% of children with hearing loss
 Provides prognostic information
 Risk of progression
 May impact options for management

Current Approach
Temporal Bone Imaging

Careful history

Careful physical examination

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Risk Indicators for hearing loss
Otologic Disease
Syndromic Conditions
Imaging of the Temporal Bones
Consideration of genetic testing/referral
 Consideration of ophthalmology referral
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Current Approach Summary
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What do you expect from the medical evaluation?
Medical Evaluation
Questions?
How do your roles change as children transition to the school system?
 What new team members come on board?
 What is working well?
 What opportunities for improvement exist?

Transition to School
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Questions?
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