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Ethics Dilemmas in The NICU Robert J. Boyle, MD Professor of Pediatrics University of Virginia Ethics Dilemmas in the NICU Focus on the Premature Infant, esp ELBW Viability Long-term morbidity Myths and Realities Decisions Risk vs reality How much disability is “too much”

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ethics dilemmas in the nicu

Ethics Dilemmas in The NICU

Robert J. Boyle, MD

Professor of Pediatrics

University of Virginia

ethics dilemmas in the nicu3
Ethics Dilemmas in the NICU
  • Focus on the Premature Infant, esp ELBW
  • Viability
  • Long-term morbidity
  • Myths and Realities
  • Decisions
    • Risk vs reality
    • How much disability is “too much”
    • How decisions can be/should be/are made
problems interpreting studies
Problems Interpreting Studies
  • Outcome data clouded by “decisional filter”-- infants not resuscitated intentionally based on family or MD decision
  • No indication of “technical issues”-- eg, couldn’t be intubated
  • Data is 3-5 years old; neurodevelopmental data even older
  • Definition of morbidity: “intact”, mild vs mod, blind, CP, learning disability, ADD
gestational age7
Gestational Age
  • Except in rare circumstances, we do not know the gestational age within 1-2 weeks
  • Ultrasound, especially early in third trimester, is not exact enough for those determinations
  • We fool ourselves and our patients when we use terminology like “23 and 4/7 weeks”
  • We aren’t much better after the baby is born (Ballard exam)
epicure survival
EPICure: Survival

%

Gestational age, completed weeks

slide9

El-Metwally D. J Peds 2000;137:616.

Women and Infants’ Hosp, RI

slide11

%

Survival

Birthweight

Hack et al, Peds 1996;98:931

two year survival rate of all liveborn in the state of victoria
Two-Year Survival Rate of All Liveborn in the State of Victoria

Victorian Inf Study Grp, Arch Dis Ch

birthweight
Birthweight
  • Can be objectively, accurately measured at birth
  • Wide range of birth weights for any gestation
  • Problem of the growth restricted infant
slide15
Myth
  • ELBW infants are critically ill for months, and then die. Exposes the infant and family to prolonged suffering/anxiety
  • Most of the mortality is in the first few days
  • Obviously affected by approach to decision making when prognosis poor.
slide18
Myth
  • Most ELBW infants do very poorly developmentally
overall disability at 30 months for children born at 22 through 25 weeks of gestation
Overall Disability at 30 months for Children Born at 22 through 25 Weeks of Gestation

Epicure, NEJM 343(6):378, 2000

slide20
Myth
  • Most ELBW infants do very poorly developmentally
  • The earlier the gestation for the ELBW infant, the worse the developmental outcome
summary of outcomes among infants born alive at 22 through 25 weeks of gestation morbidity
Summary of Outcomes Among Infants Born Alive at 22 Through 25 Weeks of Gestation (Morbidity)

Epicure Study Group NEJM 343(6): 378, 2000

slide22
Myth
  • Severe cerebral palsy is a common outcome for this population
developmental scores and degree and type of disability at 30 months according to gestational age
Developmental Scores and Degree and Type of Disability at 30 months According to Gestational Age

Epicure, NEJM 343(6): 378, 2000

can parents and clinicians make decisions about life support for preemies
Can parents and clinicians make decisions about life-support for preemies?
  • The history
  • The 2006 reality
dilemma 1
Decision before birth

Infant not yet seen by parent or clinician

Gestational age/ weight uncertain

Prognosis poorly defined

Easier

Decision after birth

Infant is here, before our eyes

Weight certain, better idea of gestation

Prognosis may be better defined

Harder

Dilemma #1
dilemma 2
Decision before birth

Decision based on a risk of handicap, potentially a very mild handicap

Decision after birth

Decision based on a defined handicap or better defined risk of handicap

Dilemma #2
dilemma 3
Decision before birth

To do nothing is always easier

Prevents the infant’s pain/suffering

Prevents the parents’ anxiety

What gestational age or weight should one choose?

Decision after birth

Withdrawal, while philosophically better, always more difficult for family and clinicians

May come after weeks/months of care

Reach point where outcome poor but nothing to withdraw

What criteria are used to decide

Dilemma #3
criteria for decisions
Criteria for Decisions
  • Pain and suffering/ Benefit vs Burden
  • Low probability of survival
  • Risk of developmental morbidity
    • How much risk is too much
    • How much morbidity is too much
  • Disability rights and ethics interests
  • Effect on family
canadian pediatric society and society of obstet gynecol
Canadian Pediatric Society and Society of Obstet&Gynecol
  • 22 weeks– treatment should be started only at the request of fully informed parents or if it appears the gest age underestimated
  • 23-24 weeks– role for parental wishes, option of resuscitation, need for flexibility, depending on infant’s condition at birth
  • 25 weeks– resuscitation should be attempted for all infants without fatal anomalies

CMAJ, 1994

perinatal care on the threshold of viability aap 1995
Perinatal Care on the Threshold of Viability-- AAP, 1995
  • No specific gestational age or birthweight guidelines
  • Counseling
  • Role of families
  • Care of baby and family if support is withheld or withdrawn
colorado collective for medical decisions
Colorado Collective for Medical Decisions
  • 22 weeks– comfort care only appropriate choice
  • 23 weeks– most would advise comfort care, but if parents understood the high risks, would be willing to initiate course of intensive care
  • 24 weeks– able to support either decision, as long as a collaborative process with good information sharing occurred
  • 25 weeks– uncomfortable with withholding care, and some were willing to support a parental request for comfort care, if there had been good education and an effort at collaboration

Colorado Collective, 2000

slide33

American Academy of Pediatrics/American Heart Association: Neonatal Resuscitation Program (2000)Noninitiation of Resuscitation in the Delivery Room is appropriate for:

  • Newborns with confirmedgestation of less than 23 weeks or birthweight less than 400 grams
american academy of pediatrics american heart association neonatal resuscitation program 2006
American Academy of Pediatrics/American Heart Association: Neonatal Resuscitation Program (2006)
  • Guidance similar to Canadian and Colorado statements
    • Re 23-24 weeks gestation
slide35
Myth
  • Conflicts (Miller, Messenger) with parents refusing and clinicians opposing the refusal are common
  • Parents requesting/demanding resuscitation and continuing care while clinicians are recommending withholding/withdrawal is a much more common scenario
one approach
One Approach
  • Antenatally and peripartum: Discuss the mortality and morbidity data for range of gestations and the vagaries of gest age
  • Prefer not to make decisions prior to birth, except in well defined, extreme situations (21-22 weeks, lethal anomalies)
  • Ask to assess infant in DR and NICU; experienced clinician
  • Leave open option of stopping if prognosis is poor
  • Continuous, ongoing communication with family
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