hyperbilirubinemia€¦ · benign neonatal hyperbilirubinemia: transient, occurs in almost every...
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HyperbilirubinemiaASHLEY HELMBRECHT, DNP, APRN-CNP
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Objectives1) History of hyperbilirubinemia screening
2) Physiology of Bilirubin clearance
3) Physiologic vs Pathologic Hyperbilirubinemia.
4) Treatment for Hyperbilirubinemia
5) AAP recommended guidelines
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History of Screening
Icterus Neonatorum
1885
Icterus gravis showed high recurrence
within families early
1900’s
Discovery of Rh group of
red cell antigens
1940
Research on hemolytic
disease of the newborn
1940-1950’s
Rhogam1968
Rh erythroblastosisfetalis becomes
rare1970’s
Phototherapy intervention of
choice1980’s
Official AAP guidelines
2004
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Jaundice:
Yellow/orange discoloration of the skin and sclera caused by an
elevated bilirubin level
**Not reliable
Bilirubin: Metabolic end product of RBC
breakdown
https://www.medlife.com/web/jaundice-newborns-infant-jaundice-causes-symptoms/
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Evaluate Jaundice in Good Lighting
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Bilirubin Synthesis and Transport
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Bilirubin Metabolism, Clearance and ExcretionSome bilirubin binds to albumin and transported directly to the liver
Enterohepatic circulation
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Copyrights apply
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Hyperbilirubinemia__________ __________ ____________________Too much Bilirubin In the bloodstream
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HyperbilirubinemiaPHYSIOLOGIC unconjugated PATHOLOGIC unconjugated
Jaundice after 24-48hr of life Jaundice within the first 24hrRequires no treatment Evaluation & treatmentPeak: Day of life 3 in term, Day of life 5-6 in preterm
Bili increases >5mg/dL each day
Resolved by 14 days of life Jaundice lasting longer than 14 daysNormal infant appearance Anemic, discolored stools or urine
Normal physiology: Increased RBCdestruction, Reduced hepatic uptake, Enterohepatic reabsorption & Decreased clearance
Cause varies, any process that is exaggerated
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How do we test ?Gold standard is (TSB) Total Serum Bilirubin
Heelstick is sufficient: 0.3mL **check what your facility requires
Plot on age-specific nomogram
Rate of rise
Mom and Baby blood type. If coombs is positive that means there is an antibody-mediated hemolysis
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Bhutani Nomogram
HTTPS://WWW.NEJM.ORG/DOI/FULL/10.1056/NEJMCT0708376
High Risk
Low Risk
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Rate of Rise = Current Bili – Previous BiliNumber of hours between labs
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How else do we test?Transcutaneous Bilirubin (TcB)
Use the forehead or sternum
Do not use on bruises, birthmarks or excessively hairy skin
Do not use if baby is undergoing phototherapy
May be affected by skin pigmentation
HTTP://STATIC.PROGRESSIVEMEDIAGROUP.COM/UPLOADS/IMAGELIBRARY/NRI/MEDICALDEVICE/JAUNDICE.JPG
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Classification of Hyperbilirubinemia
Benign neonatal hyperbilirubinemia: transient, occurs in almost every newborn “physiologic jaundice”
Significant hyperbilirubinemia: infants ≥ 35weeks with TSB >95th
percentile on nomogram
Severe neonatal hyperbilirubinemia: a TSB >25mg/dL and increased risk for BIND
Extreme hyperbilirubinemia: TSB >30mg/dL associated with increased risk for BIND
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Bilirubin-induced Neurologic Dysfunction
(BIND)
Acute BilirubinEncephalopathy (ABE)
Chronic BilirubinEncephalopathy (CBE)
Significant lethargy
Hypotonia
Poor sucking
High-pitched Cry
Arching of the trunk
Arching of back and neck
Seizures
1 in 10,000 1 in 40,000
Cerebral Palsy
Hearing loss
Abnormal gaze
Dental enamel hypoplasia
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BreastMILK Jaundice BreastFEEDING JaundiceOnset 4-7 days Onset 2-4 days
May persist for up to 2 months Self-limiting as maternal milk supply increases
1 in 200 infants 1 in 10 infants
Exaggerated physiologic jaundice related to substances in maternal breastmilk
Related to low or inadequate enteralintake
No treatment More common in Late Preterm Infant
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Factors That Increase Risk of Hyperbili
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Copyrights apply
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InterventionsGoal is to intervene based on the probability a baby will develop severe hyperbilirubinemiaPhototherapyIVIGExchange Transfusion
HTTPS://THECONVERSATION.COM/JAUNDICE-IN-NEWBORNS-COULD-BE-AN-EVOLUTIONARY-SAFEGUARD-AGAINST-DEATH-FROM-SEPSIS-97049
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Interventions: Phototherapy
HTTPS://THECONVERSATION.COM/JAUNDICE-IN-NEWBORNS-COULD-BE-AN-EVOLUTIONARY-SAFEGUARD-AGAINST-DEATH-FROM-SEPSIS-97049
Most common & safe
It is a treatment with adverse effects
LED lights, fiberoptic lights, swaddles
Decreases bilirubin regardless of ethnicity
Know the number of banks
Monitor: Temperature, hydration
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Interventions: PhototherapyPhotons are emitted by blue to blue-green light
Isomerization -> Lumirubin
Photoisomerization -> quick fix
Cover eyes and genitals
When do you stop?
Bronze baby syndrome
https://www.nejm.org/doi/full/10.1056/nejmct0708376
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Phototherapy
http://www.warm-patch.com/sale-11796666-different-oem-size-neonatal-phototherapy-eye-mask-infant-eye-mask-ce-fda.htmlhttp://www.parentspowwow.net/jaundice-in-the-newborn-neonatal-jaundice/
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HTTP://GYANPRO.COM/BLOG/HOW-IS-PHOTO-THERAPY-A-CURE-FOR-NEONATAL-JAUNDICE/
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Copyrights apply
1215
18
How do youknow whento treat??
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Interventions: IVIGInconclusive
Rh and ABO hemolytic disease
Reduces need for exchange transfusion
0.5-1g/kg over 2hr
Repeat every 12hr PRN
HTTP://AMERICANINFUSIONCENTERS.COM/WP-CONTENT/UPLOADS/2017/03/IVIG.PNG
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Interventions: Exchange TransfusionRare, expensive & time consuming
Trained personnel
Quickest way to decrease bilirubin
Consider whenSymptomatic for BINDPhototherapy has failed
Full, partial, double volume
HTTP://MIMANIHOSPITAL.COM/WP-CONTENT/UPLOADS/2017/02/EXCHANGE-TRANSFUSION.JPG
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How do youknow whento treat??
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https://medicalxpress.com/news/2020-03-app-jaundice-deaths-newborns.html
https://intermountainhealthcare.org/blogs/topics/transforming-healthcare/2017/11/researchers-use-app-to-detect-newborn-jaundice/
https://www.washington.edu/news/2014/08/27/new-smartphone-app-can-detect-newborn-jaundice-in-minutes/
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Put the baby next to the window?Sunlight does include the effective blue-green light wavelength and can lower levels of TSB
UV radiation
Risk of sunburn and hyperthermia, hypovolemia and long term skin malignancies
Filtered light using special window tinting films may be a reasonable and cost-effective alternative
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AAP Guidelines
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AAP Guideline 1
Early and frequent breastfeeding 8-12 times per day
Goal of 4-6 wet diapers per day
Recommends against routine formula supplementation
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AAP Guideline 2
Receive ongoing assessments
Blood typing on all womenBaby blood typing on all O mothers and Rh negative
Jaundice assessment every time VS are taken at least every 8-12hr
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AAP Guideline 3
Jaundice in the first 24hr is abnormal
Recommended lab guideline
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AAP Guideline 3 Continued
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AAP Guideline 4
You can’t guess a TSB level with your eyes
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AAP Guideline 5
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AAP Guideline 6 & 7
Every newborn should be assessed for risks especially if discharge before 72hr
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AAP Guideline 8
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AAP Guideline 9
All infants should be examined by a qualified healthcare professional in the first few days after discharge
Delay discharge until appropriate follow up is ensured
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AAP Guideline 10
Indirect versus direct hyperbilirubinemia
Admit to nursery, NICU or pediatric unit
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Questions?
HTTPS://WWW.THEGENIUSWORKS.COM/2020/01/QUESTION-BURST-QUESTIONS-ARE-MUCH-MORE-POWERFUL-THAN-ANSWERS-SAYS-HAL-GREGERSEN-THE-CHALLENGE-FOR-LEADERS-IS-TO-ASK-BETTER-
QUESTIONS/
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ReferencesAmerican Academy of Pediatrics (2004). Management of hyperbilirubinemia of the newborn infant 35 or more weeks of gestation. Pediatrics, 114(1), 297-316.
Bhutani, V. K., & Johnson, L. (2009). Kernicterus in the 21st century: Frequently asked questions. Journal of Perinatology, 29, S20-S24. doi: 10.1038/jp.2008.212
Cashore, W. (2010). A brief history of neonatal jaundice. Medicine & Health Rhode Island, 93(5), 154-155.
Gomella, T. L. (2009). Neonatology Management, Procedures, On-Call Problems, Diseases and Drugs 6th ed. McGraw Hill.
Muchowski, K. E. (2014). Evaluation and treatment of neonatal hyperbilirubinemia. American Family Physician, 89(11), 873-898.
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