Brief Resolved Unexplained Events - SOHM Library - … Resolved Unexplained Events Joel S. Tieder,...
Transcript of Brief Resolved Unexplained Events - SOHM Library - … Resolved Unexplained Events Joel S. Tieder,...
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Brief Resolved Unexplained Events
Joel S. Tieder, MD, MPHChair, AAP Subcommittee on Brief Resolved Unexplained EventsAssociate Professor Pediatrics Seattle Children’s HospitalThe University of Washington School of Medicine
(Apparent Life Threatening Events)
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Disclaimer • Statements and opinions expressed are those of the authors and not
necessarily those of the American Academy of Pediatrics.
• Mead Johnson sponsors programs such as this to give healthcare professionals access to scientific and educational information provided by experts. The presenter has complete and independent control over the planning and content of the presentation, and is not receiving any compensation from Mead Johnson for this presentation. The presenter’s comments and opinions are not necessarily those of Mead Johnson. In the event that the presentation contains statements about uses of drugs that are not within the drugs' approved indications, Mead Johnson does not promote the use of any drug for indications outside the FDA-approved product label.
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You will learn about…
1. Historical framework and epidemiology
2. ALTE vs BRUE
3. Event characterization: explained vs unexplained
4. Risk stratification and new recommendations
5. Tools to implement change in your practice
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Historical Framework and Epidemiology
1
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What was an Apparent Life Threatening Event?
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Definition of ALTE
An episode in the first year of life that appearspotentially life threatening to the observer and is characterized by some combination of:
National Institutes of Health (1987) Consensus development conference on infantile apnea
and home monitoring 1986. Pediatrics 79: 292-299
Color change
Apnea
Alteration in muscle tone
Choking or gagging
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Defined decades ago to better understand SIDS
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Epidemiology
Conservatively 1 out of 250-400 children hospitalized for an ALTE
But scary events are very common 43% of healthy infants have had 20 sec apnea episode
over 3 mo period 5% of parents recall seeing apnea event Normal in infants: choking, gagging, blue
discoloration, tone changes, periodic and irregular breathing
• Monti MC, Borrelli P, Nosetti L, Tajè S, Perotti M, Bonarrigo D, Stramba Badiale M, Montomoli C. Incidence of apparent
life-threatening events and post-neonatal risk factors. Acta Paediatr. 2016 Mar 6.
• Kiechl-Kohlendorfer U, Hof D, Peglow UP, Traweger-Ravanelli B, Kiechl S. Epidemiology of apparent life threatening
events. Arch Dis Child. 2005 Mar;90(3):297-300.
• Ramanathan R, Corwin MJ, Hunt CE, et al. Cardiorespiratory events recorded on home monitors: comparison of healthy
infants with those at increased risk for SIDS. JAMA 2001;285: 2199– 207
• Mitchell EA, Thompson JM. Parental reported apnoea, admissions to hospital and sudden infant death syndrome. Acta
Paediatr 2001;90:417– 22.]
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Most common
Idiopathic (26-50%)
GER (26-54%)
Respiratory infection
(8-11%)
Seizure (9-11%)
Less common
Child maltreatment (<1%)
Pertussis (0.05-9%)
Cardiac arrhythmias (<1%)
Bacterial infection (0-8%)
Metabolic Disorder (1.5%)
McGovern MC, Smith MB. Causes of apparent life threatening events in infants: a systematic review. Arch Dis Child. 2004
Nov;89(11):1043-8. Review.
ALTE discharge diagnosis
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AN ALTE IS NOT A WARNING SIGN FOR SIDS!
No causal relationship of preexisting apnea or ALTE and SIDs
Interventions to reduce SIDs have not reduced ALTEs (e.g. back to sleep)
SIDS and ALTEs have different risk factors
• Bonkowsky, J. L., Guenther, E., Filloux, F. M., & Srivastava, R. (2008). Death, child abuse, and adverse neurological outcome of infants after an apparent
life- threatening event. Pediatrics, 122(1), 125-131. doi: 10.1542/peds.2007-3376
• Esani N, Hodgman JE, Ehsani N, Hoppenbrouwers T. Apparent life-threatening events and sudden infant death syndrome: comparison of risk factors. J
Pediatr. 2008 Mar;152(3):365-70.
• Freed GE, Steinschneider A, Glassman M, Winn K. Sudden infant death syndrome prevention and an understanding of selected clinical
issues. Pediatr Clin North Am. 1994 Oct;41(5):967-90. Review.
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ALTE…a recipe for a testing/treatment cascade
Broad differential diagnosis Anxiety provoking Common Low prevalence of disease Perceived reassurance from
testing or hospitalization Poor understanding of true
risk Use of nonspecific testing
prone to false positive results
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High Resource Use and Variation
Tieder, JS et al. Variation in inpatient resource utilization and management of Apparent Life-Threatening Events. J Peds. 2008 May;152(5):629-35, 635.
Multicenter study of patients
hospitalized with ALTE
Mean LOS = 4.4 (SD 5.6) days
Mean adjusted charges = $15,567
(SD $28,510)
Readmission = 2.5% but variable
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0% 10% 20% 30% 40% 50% 60% 70% 80% 90%
RSV
Pertussis
CBC
pH probe
Upper GI Imaging
CT
Chest xray
Sleep testing
EKG
EEG
Antiobiotics
Anti-reflux
Percentage of ALTE Patients
Lab Tests
Reflux Tests
Other Tests
Medications
Resource Utilization Across Hospitals
Medians and
Interquartile
RangesTieder, JS et al. Variation in inpatient resource utilization and management of Apparent Life-Threatening Events. J Peds. 2008 May;152(5):629-35, 635.
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Systematic Review
For infants that are well
appearing upon presentation…
Historical and PE features can
identify risk
Testing tailored to these risks of
value
True risk of a subsequent event
or underlying disorder cannot be
ascertained
A more precise definition of an
ALTE is needed
Further research is warranted
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The Event Formerly Known
as ALTE
2
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ALTE vs BRUE
ALTE
•An episode in the first year of life that appears potentially life threatening to the observer and is characterized by some combination of…
BRUE
Event occurring in an infant < 1 year where the observer reports a sudden, brief period of one or more of the following…
No explanation for event after appropriate history and PE
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ALTE vs BRUEALTE
Color change
Apnea
Alteration in muscle tone
Choking or gagging
BRUE
Cyanosis or pallor
Absent, decreased, or irregular breathing
Marked change in tone (hyper- or hypotonia)
Altered level of responsiveness
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ALTE vs BRUEALTE
Both chief complaint and diagnosis
Not always life-threatening
Can have ongoing symptoms (e.g., fever, URI)
Can have a diagnosis (e.g., meningitis, bronchiolitis)
BRUE
Diagnosis of exclusion
Excludes patients with an explanation or diagnosis (e.g., GER)
Excludes symptomatic infants (i.e., just an event)
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Event characterizationExplained vs Unexplained
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Color
ALTE
Color change
Apnea
Alteration in muscle tone
Choking or gagging
BRUE
Cyanosis or pallor
Absent, decreased, or irregular breathing
Marked change in tone (hyper- or hypotonia)
Altered level of responsiveness
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Color change-red, white, and blue
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Peripheral cyanosis• increased O2 extraction by
peripheral tissue or
vasoconstriction (e.g. shock)
Acrocyanosis• vasomotor instability
Normal explanations of turning blue briefly
http://newborns.stanford.edu/PhotoGallery/PerioralCyanosis1.html
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Central cyanosis• bluish discoloration of
oral mucous membranes
Blue episode can indicate something serious
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• Plethora: red is a normal in infants.
• Pallor: White or ashen can be normal or a sign of decreased perfusion
• Skin color difficult to determine in different skin tones and lighting
What about red and white episodes?
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Apnea or changes to breathing
ALTE
Color change
Apnea
Alteration in muscle tone
Choking or gagging
BRUE
Cyanosis or pallor
Absent, decreased, or irregular breathing
Marked change in tone (hyper- or hypotonia)
Altered level of responsiveness
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Normal explanations for episodic change in breathing
• Periodic breathing– Typically developing infants have periods of cyclic breathing
with pauses– Occurs in nearly all pre-term infants and most term infants– Decreases dramatically after 2 months of age– Not a precursor for SIDS
• Irregular respirations – Hallmark of active sleep (REM or dream sleep)– Present at all ages
• Breath holding spell• Acute decreases in oxygen saturation >10% from
baseline are observed in most infants briefly during sleep
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Concerning change in breathing
• Cessation of airflow x 20-30 sec• Central
absence of respiratory effort from central respiratory center
• Obstructive paradoxical inverse movements of the chest
wall and abdomen with decreased saturation
• Apnea of prematurity <37 weeks post-conceptional age may persist in infants < 28 wk
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ALTE
Color change
Apnea
Alteration in muscle tone
Choking or gagging
BRUE
Cyanosis or pallor
Absent, decreased, or irregular breathing
Marked change in tone (hyper- or hypotonia)
Altered level of responsiveness
Muscle tone change
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Stimulation (i.e., laryngospasm) from coughing, gagging, choking, crying
Startle and fencing reflex
LOC from Breath holding spell
Normal explanations for episodic changes in tone
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Seizure:
Rhythmic and not extinguishable
Eye deviation
Limp
Rigid
Post-ictal
Generalized/Altered mental status
Infantile spasm
Concerning causes for episodic change in tone
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Apnea or changes to breathing
ALTE
Color change
Apnea
Alteration in muscle tone
Choking or gagging
BRUE
Cyanosis or pallor
Absent, decreased, or irregular breathing
Marked change in tone (hyper- or hypotonia)
Altered level of responsiveness
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Normal explanation for episode of altered responsiveness
• Immature nervous system
• Somnolence
• LOC with Breath holding spell
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Seizure
LOC
Hypoxemia
Hypoglycemia
Concerning explanation for episode of altered responsiveness
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History and PE are critical to diagnose BRUE!
https://www.studyblue.com/notes/note/n/review-for-test-2-family-assessment/deck/8041126 https://www.bda.org/childprotection/Recognising/Pages/Physical.aspx
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Risk Stratification and Recommendations for Lower-Risk
4
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· Age >60 days
· Prematurity: gestational age ≥32 weeks and postconceptional age ≥45
weeks
· First BRUE (no prior BRUE ever and not occurring in clusters)
· Duration of event <1 minute
· No CPR required by trained medical provider
· No concerning historical features
· No concerning physical examination findings
Lower-Risk Criteria
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AAP and strength of recommendations
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Pulmonology
• Need not admit the patient to the hospital solely for cardiorespiratory monitoring (B, Weak)
• May briefly monitor patients with continuous pulse oximetry and serial observations (D, Weak)
• Should not obtain a chest radiograph (B, Mod)• Should not obtain measurement of blood
gases (B, Mod)• Should not initiate home cardio-respiratory
monitoring (B, Mod)• Should not obtain overnight polysomnography
(B, Mod)
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Cardiology
• May obtain a 12-lead electrocardiogram. (C, Weak)
• Should not obtain echocardiography (C, Moderate)
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Child abuse
• Need not obtain neuroimaging (CT, MRI, US) to detect child abuse (C, Weak)
• Should obtain an assessment of social risk factors to detect child abuse (C, Weak)
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Neurology
• Should not obtain neuroimaging (CT, MRI, US) to detect neurologic disorders (C, Mod)
• Should not obtain an EEG (electroencephalography) (C, Mod)
• Should not prescribe anti-epileptic medications (C, Mod)
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Infectious Disease
• Should not obtain a WBC, blood culture, or CSF analysis or culture to identify an occult bacterial infection (B, Strong)
• Should not obtain a chest radiograph to assess for pulmonary infection (B, Mod)
• Need not obtain a UA (C, Weak)
• Need not obtain respiratory viral testing in infants (C, Weak)
• May obtain test for pertussis (B, Weak)
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Gastroenterology
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Gastroenterology
• Should not obtain investigations for GER (C, Mod)
• Should not prescribe acid suppression therapy (C, Mod)
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Inborn Error of Metabolism
• Need not obtain blood glucose (C, Weak)
• Need not obtain serum lactic acid or bicarbonate (C, Weak)
• Should not obtain serum sodium, potassium, chloride, BUN, creatinine, calcium, or ammonia (C, Mod)
• Should not obtain venous or arterial blood gas (C, Mod)
• Should not obtain urine organic acids, plasma amino acids or plasma acylcarnitines (C, Mod)
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Anemia
• Should not obtain laboratory evaluations for anemia (C. Mod)
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Patient- and Family-Centered Care
• Should offer resources for CPR training to caregiver (C, Mod)
• Should educate caregivers about BRUEs (D, Weak)
• Should use shared decision making (C. Mod)
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Implementation and Improvement
5
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Implementation & Improvement: AAP.org
• Education– AAP, AAFP, ACEP, ABP, SHM news
and conference outlets
– Caregiver handout
– Webinar
• Work flow integration– Crowdsourcing of orderset, H&P
templates, algorithm
• QI, research, billing– ICD-9/10 codes, MOC
collaborative with QuIIN/VIP/PEMCRC
– Proposed quality measures
– Key Driver Diagram
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Key Driver Diagram: AAP.org
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Caregiver Handouts: AAP.org
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Future Directions
• Guidance on Higher-Risk BRUEs
• Better identification of child abuse
• Understand epidemiology and risk
• Understand patient- and family-centered outcomes
• Empiric GER treatment
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Take home points
• ALTEs are very different from SIDS• Can you explain the event with careful history
and physical exam?• Remember child abuse can present as an
ALTE/BRUE• Is the patient asymptomatic and well-
appearing?• Is the patient in the lower-risk group?• Perform diagnostic tests based on true, rather
than perceived risk• Use shared decision making and inform
caregivers of potential harm to testing/hospitalization
• Goodbye ALTE…Hello BRUE
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A special thanks to…
SHM ALTE expert panel
Rob in Altman
Josh Bonkowsky
Don Brand
Ilene Claudius
Diana Cunningham
Jack Percelay
Raymond Pitteti
Mike Smith
Taylor Marsh
AAP Sub-Committee
Josh Bonkowsky
Ruth Etzel
Wayne Franklin
David Gremse
Bruce Herman
Eliot Katz
Leonard Krilov
Lawrence Merrit
Chuck Norlin
Jack Percelay
Robert Sapian
Rick Shiffman
Mike Smith
AAP SupportRicardo QuinonezDiana CunninghamCaryn DavidsonLisa KramsKymika Okechukwu
…and 40+ guideline reviewers
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Questions and Discussion
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References (in order of appearance)
1. National Institutes of Health (1987) Consensus development conference on infantile apnea and home monitoring 1986. Pediatrics 79: 292-299
2. Monti MC, Borrelli P, Nosetti L, Tajè S, Perotti M, Bonarrigo D, Stramba Badiale M, Montomoli C. Incidence of apparent life-threatening events and post-neonatal risk factors. Acta Paediatr. 2016 Mar 6.
3. Kiechl-Kohlendorfer U, Hof D, Peglow UP, Traweger-Ravanelli B, Kiechl S. Epidemiology of apparent life threatening events. Arch Dis Child. 2005 Mar;90(3):297-300.
4. Ramanathan R, Corwin MJ, Hunt CE, et al. Cardiorespiratory events recorded on home monitors: comparison of healthy infants with those at increased risk for SIDS. JAMA 2001;285: 2199– 207
5. Mitchell EA, Thompson JM. Parental reported apnoea, admissions to hospital and sudden infant death syndrome. Acta Paediatr 2001;90:417– 22.]
6. McGovern MC, Smith MB. Causes of apparent life threatening events in infants: a systematic review. Arch Dis Child. 2004 Nov;89(11):1043-8. Review.
7. Bonkowsky, J. L., Guenther, E., Filloux, F. M., & Srivastava, R. (2008). Death, child abuse, and adverse neurological outcome of infants after an apparent life- threatening event. Pediatrics, 122(1), 125-131. doi: 10.1542/peds.2007-3376
8. Esani N, Hodgman JE, Ehsani N, Hoppenbrouwers T. Apparent life-threatening events and sudden infant death syndrome: comparison of risk factors. J Pediatr. 2008 Mar;152(3):365-70.
9. Freed GE, Steinschneider A, Glassman M, Winn K. Sudden infant death syndrome prevention and an understanding of selected clinical issues. Pediatr Clin North Am. 1994 Oct;41(5):967-90. Review
10. Tieder JS et al. Variation in inpatient resource utilization and management of Apparent Life-Threatening Events. J Peds. 2008 May;152(5):629-35, 635.
11. Tieder JS, Altman RL, Bonkowsky JL, Brand DA, Claudius I, Cunningham DJ, DeWolfe C, Percelay JM, Pitetti RD, Smith MB. Management of apparent life-threatening events in infants: a systematic review. J Pediatr. 2013 Jul;163(1):94-9.e1-6.
12. Tieder JS, et al. Brief Resolved Unexplained Events (Formerly Apparent Life-Threatening Events) and Evaluation of Lower-Risk Infants: Executive Summary