elimination of non-medically indicated (elective) deliveries before 39 weeks gestational age
DESCRIPTION
Elimination of Non-medically Indicated (Elective) Deliveries Before 39 Weeks Gestational Age. District 1 American Congress of Obstetricians and Gynecologists. Original Source Material: www.CMQCC.org. Acknowledgements. Toolkit Authors: Elliott Main, MD Bryan Oshiro, MD - PowerPoint PPT PresentationTRANSCRIPT
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Elimination of Non-medically Indicated
(Elective) Deliveries Before 39 Weeks Gestational Age
District 1American Congress of
Obstetricians and GynecologistsOriginal Source Material: www.CMQCC.org
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AcknowledgementsToolkit Authors:
Elliott Main, MDBryan Oshiro, MDBrenda Chagolla, RN, MSN, CNS Debra Bingham, Dr.PH, RNLeona Dang-Kilduff, RN, MSN Leslie Kowalewski
Author Organizations: California Maternal Quality Care Collaborative (CMQCC) California Pacific Medical CenterLoma Linda University School of MedicineCatholic Healthcare WestCalifornia Perinatal Quality Care Collaborative (CPQCC)March of Dimes
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Objectives1) Describe the increase in non-medically
indicated (elective) deliveries before 39 weeks and identify the contributing factors.
2) Identify the risks of early term deliveries and the benefits of delaying delivery beyond 39 weeks gestation.
3) Describe a sample implementation plan for the prevention of elective deliveries before 39 weeks.
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Terminology
First day of LMP
0Week # 37 0/7 416/7
Preterm Post term
340/7
Term
Modified from Drawing courtesy of William Engle, MD, Indiana University
20 0/7
Raju TNK. Pediatrics , 2006;118 1207. Oshiro BT Obstet Gynecol 2009;113:804
39 0/7
Late Preterm Early Term
The “New” Term
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Scheduled Delivery <39 wks in an Uncomplicated Pregnancy
Since 1979, ACOG has cautioned against inductions before 39 weeks in the absence of a medical indication (Committee Opinion #22)
ACOG has also noted that “a mature fetal lung maturity test result before 39 weeks of gestation, in the absence of appropriate clinical circumstances, is not an indication for delivery”.(Committee Practice Bulletins #97 and #107)
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“Non-Medical” Reasons* for Inductions <39 weeks
Maternal intolerance to late pregnancy Excess edema,
backache, indigestion, insomnia
Prior labor complication
Prior shoulder dystocia
Suspected fetal macrosomia
History of rapid labor/ lives far away
Possible lower risk for mom or baby Lower stillbirth rate,
less macrosomia, less preeclampsia
* Not evidenced-based to show maternal or neonatal benefit
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Risks of Non-medically Indicated (Elective)
Delivery Before 39 weeks.
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Complications of Non-medically Indicated (Elective) Deliveries
Between 37 and 39 Weeks
See Toolkit for more data and full list of citationsClark 2009, Madar 1999, Morrison 1995, Sutton 2001, Hook 1997
Increased NICU admissions Increased transient tachypnea of the newborn (TTN) Increased respiratory distress syndrome (RDS) Increased ventilator support Increased suspected or proven sepsis Increased newborn feeding problems and other
transition issues
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x
13,258 elective repeat cesarean births in 19 large centers
35.8% done <39 weeks gestation Increased risk of neonatal morbidity
Respiratory, hypoglycemia, sepsis, NICU admissions, hospitalization > 5 days
Even among babies delivered between 38 and 39 weeks
Tita AT, et al, NEJM 2009;360:111
Timing of Elective Repeat Cesarean Delivery at Term and Neonatal Outcomes
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Adverse Neonatal Outcomes According to Completed Week of Gestation at Delivery: Absolute Risk
Tita AT, et al, NEJM 2009;360:111
Any adverse outcome or
death
Adverse respiratory outcome(overall)
RDS TTN Admission to NICU Newborn Sepsis (suspected or
proven)-2%
0%
2%
4%
6%
8%
10%
12%
14%
16%37+ Weeks
38+ Weeks
39+ Weeks
Perc
ent A
ffect
ed
x1
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Adverse Neonatal Outcomes According to Completed Week of Gestation at Delivery: Odds Ratios
Tita AT, et al, NEJM 2009;360:111
Any adverse outcome or
death
Adverse respira-tory
outcome(overall)
RDS TTN Admission to NICU Newborn Sepsis (suspected or
proven)
Treated hy-poglycemia
Hospitalization > 5 days
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5 37+ Weeks38+ Weeks39+ Weeks
Odd
s Rati
osx2
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x3
Neonatal outcomes at 37 and 38 weeks are very similar (or worse) than those at 41 and 42 weeks…
Best outcomes are at 39 and 40 weeks!
New Concept: U-Shaped Curve for near-term Neonatal Outcomes
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NICU Admissions By Weeks Gestation Deliveries Without Complications, 2000-2003
37th Week (8,001)
38th Week (18,988)
39th Week (33,185)
40th Week (19,601)
41st Week (4,505)
42nd Week (258)
0%
2%
4%
6%
8%
10%
6.66%
3.36%
2.47% 2.65%
3.44% 4.26%
Gestational Weeks
Perc
ent
NICU Admissions
Oshiro et al. Obstet Gynecol 2009;113:804-811.
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RDS By Weeks GestationDeliveries Without Complications, 2000-2003
37th Week (8,001)
38th Week (18,988)
39th Week (33,185)
40th Week (19,601)
41st Week (4,505)
42nd Week (258)
0.0%
0.5%
1.0%
1.5%
2.0%
2.5%
1.92%
0.68% 0.42% 0.41%0.67% 0.78%
Gestational Weeks
Perc
ent
RDS
Oshiro et al. Obstet Gynecol 2009;113:804-811.
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Ventilator Usage By Weeks GestationDeliveries Without Complications, 2000-2003
37th Week (8,001)
38th Week (18,988)
39th Week (33,185)
40th Week (19,601)
41st Week (4,505) 42nd Week (258)0.0%
0.2%
0.4%
0.6%
0.8%
1.0%
1.2%
1.4%
1.6%
1.8%
2.0%
1.19%
0.47%0.25% 0.30%
0.47%0.39%
Gestational Weeks
Perc
ent
Ventilator Use
Oshiro et al. Obstet Gynecol 2009;113:804-811.
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Timing of Fetal Brain Development
Cortex volume increases by 50% between 34 and 40 weeks gestation. (Adams Chapman, 2008)
Brain volume increases at rate of 15 mL/week between 29 and 41 weeks gestation.
A 5-fold increase in myelinated white matter occurs between 35-41 wks gestation.
Frontal lobes are the last to develop, therefore the most vulnerable.
(Huttenloher, 1984; Yakavlev, Lecours, 1967; Schade, 1961; Volpe, 2001).
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Cerebral Palsy among Term and Postterm Births
Norwegian birth cohort of 1,682,441 singleton term births without congenital anomalies followed for a minimum of 4 years (maximum of 20 years) with identified CP in the National Health Insurance Registry.
Moster et al. JAMA 2010;304:976-982.
CP is 2.3x higher at 37wks and 1.5x higher at 38 wks than at 39-41 wks
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Caveats on CNS Outcomes…
Best outcomes are at 40 weeks. Note that these studies are associations and can
not show NOT causation. Nonetheless, the onus is on us to show that
earlier birth is better…
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Eliminating Non-medically Indicated (Elective) Delivery
Prior to 39 Weeksin “Our Hospital”:
What are the steps to make this happen?
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Induction / Cesarean Scheduling Process
Physician Leadership A. Enforce policy B. Approve exceptions
Clinician and/or Patient Desire to Schedule a Non-medically
Indicated (Elective) Induction or Cesarean Section
Case NOT Scheduled if Criteria Not Met
Elective Delivery Hospital Policy
Clinician, Staff & Patient Education Reduce Demand
QI Data Collection & Trend Charts
Public Awareness Campaign
x4
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Support for this Initiative comes from across the board
ACOG strong support National Quality Organizations
Joint Commission, Leapfrog, NQF measures March of Dimes Many state collaboratives in California State Medicaid programs are exploring options
“Do not pay”, withholds, incentives, pre-auths Commercial Insurance has acted in other states
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First Steps (Fundamentals) Gather baseline data of <39wk scheduled
deliveries and outcomes Implement list of “approved” indications
- Have departmental criteria for making certain diagnoses (e.g. hypertensive complications of pregnancy)
- Identify strong medical leadership to handle “appeals” for exceptions
- This list DOES NOT imply that all folks with these diagnoses SHOULD be delivered before 39 weeks
Implement criteria for establishing gestational age >39 weeks
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Confirmation of Term Gestation
Ultrasound measurement at less than 20 weeks of gestation supports gestational age of 39 weeks or greater (confirming LMP) Consistent if within 3 days by crown–rump length
(CRL) measurement obtained at 6–10 weeks, or Within 5 days by CRL measurement obtained at 10–
14 weeks of gestation, or Within 7 days by the average of multiple biometric
measurements obtained at 14–20 weeks of gestation.
ACOG Practice Bulletin: Induction of Labor. Number 107, August 2009ACOG/AAP: Guidelines for Perinatal Care, 6th Ed. 2007
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What about “late to care” patients? Late to Care (after 20 weeks):
And dates only by Ultrasound after 20 wks Recommend FLM before scheduled elective
procedure For repeat CS in uncomplicated pregnancy would
need to have discussion of risks/benefits In one prior low transverse CS patients, little
harm to await labor before the CS…
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What about FLM for Elective Delivery <39wks?
Recent studies: Show serious morbidity with babies born before 39
weeks even with “mature” FLM studies This should not be a surprise as much of the near-term
morbidity is not related to surfactant deficiency
ACOG: “A mature fetal maturity test result before 39 weeks of gestation, in the absence of appro-priate clinical circumstances is not an indication for delivery.”
ACOG Practice Bulletin: Induction of Labor. Number 107, August 2009
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What Does “Hard Stop” Mean? Hard Stop
All cases not meeting criteria need pre-approval by Dept Chair or designee before scheduling
Key “Needs” Administration buy-in Critical to avoid the nurses becoming “police” Medical leadership will make or break the implementation
Recommend QI Committee review all scheduled <39 week births Need simple data collection system for surveillance
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Summary:Reasons to Eliminate Non-Medically Indicated
(Elective) Deliveries Before 39 Weeks
Reduction of neonatal complications
No harm to mother if no medical or obstetrical indication for delivery
Now a national quality measure:
- National Quality Forum (NQF)
- Leapfrog Group
- The Joint Commission (TJC)27