quality and safety: hypertension disorders of pregnancy
TRANSCRIPT
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Quality and Safety: Hypertension
Disorders of Pregnancy
Carey Eppes MD MPH
Maternal Fetal Medicine
Baylor College of Medicine
Director of Obstetrical Quality and Safety Ben Taub Hospital
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Objectives
• Define and review the categorization of hypertension in pregnancy
• Discuss management of preeclampsia
• Review criteria for expectant management of severe preeclampsia
• Examine systems/approaches for optimizing care of pregnant women with hypertensive emergencies or eclampsia
• Review pertinent literature about MEWS/MEOWS
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Epidemiology
• The incidence of preeclampsia has increase 25% in the past two decades1
• Hypertensive disorders in pregnancy are common (5-10% of all pregnancies in the United States)2
• Preeclampsia is the leading cause of maternal and perinatal morbidity and mortality worldwide3
1Wallis et al Secular trends in the rates of prematurity, eclampsia and gestational hypertension, United States 1987-2004. Am J Hypertension. 2008
2 Kuklina et al. Hypertensive disorders and severe obstetric morbidity in the US. Obstet Gynecol 2009
3 Callaghan et al. Identification of severe maternal morbidity during delivery hospitalizations, United States. 1991-2003. AJOG. 2008
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Pregnancy Risk Assessment Monitoring System : http://www.cdc.gov/reproductivehealth/maternalinfanthealth/pmss.html
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Pregnancy Risk Assessment Monitoring System : http://www.cdc.gov/reproductivehealth/maternalinfanthealth/pmss.html
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Pregnancy Risk Assessment Monitoring System : http://www.cdc.gov/reproductivehealth/maternalinfanthealth/pmss.html
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Pregnancy Risk Assessment Monitoring System : http://www.cdc.gov/reproductivehealth/maternalinfanthealth/pmss.html
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Missed Opportunities are common
• California Pregnancy associated mortality reviews
• University of Illinois Regional Perinatal Network
• New York/ACOG District 2
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New definitions
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Classification of Hypertensive
Disorders of Pregnancy • Preeclampsia-Eclampsia
• Chronic Hypertension
• Chronic Hypertension with superimposed preeclampsia
• Gestational Hypertension
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Preeclampsia
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Preeclampsia
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Preeclampsia
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Preeclampsia with severe features
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Expectant Management of
Preeclampsia with Severe Features • Delivery at 34 weeks 0 days • Delivery promptly with:
▫ Pulmonary edema ▫ Renal failure ▫ Abruption ▫ Severe thrombocytopenia ▫ DIC ▫ Persistent cerebral symptoms ▫ Non-reassuring fetal testing ▫ Fetal demise regardless of gestational age
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Indications for delivery during
expectant management • Maternal Indications
▫ Recurrent severe hypertension
▫ Recurrent symptoms of severe preeclampsia
▫ Progressive renal insufficiency
▫ Persistent thrombocytopenia
▫ Pulmonary edema
▫ Aburption
▫ Labor or Rupture of membranes
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Indications for delivery during
expectant management • Fetal Indications
▫ Gestational age >34 0/7 weels
▫ Severe fetal growth restriction <5%
▫ Persistent oligohydramnios (DVP <2cm)
▫ BPP 4/10 or less on two occasionals 6 hours apart
▫ Reversed end-diastolic flow on dopplers
▫ Recurrent variable or late decelerations during NST
▫ Fetal death
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Management of HTN (emergency)
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Tools for Improving Safety for
Preeclampsia • Education (providers and patients)
• Protocols
• Checklists
• Simulation
• Debriefings
• Maternal Early Warning Systems
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“Readiness”
• System based plan for every unit
• Criteria and plan for escalation
▫ Who and how
▫ Initiate emergency diagnostics and therapeutics
• Plan for rapid stabilization and transport
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“Recognition and Prevention”
• Protocol for measurement and assessment of blood pressures
• Standard Response (MEWS or MEOWS)
• Educate pregnant and postpartum women
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Standardized
Measurement of
Blood pressures
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Appropriate Cuff Size
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“Response”
• Standardized protocols for management and treatment of HTN, Eclampsia, postpartum presentations
• Checklists
• Practiced simulations
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Protocols for Hypertensive Emergency
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Toolboxes and
Safety Bundles
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Simulations
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“Reporting and Systems Learning”
• Huddles for high risk patients
• Monitor outcomes and process metrics
• Debriefings
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Maternal Early Warning Systems
• Goal of identifying patients early who have high risk of morbidity/mortality and improving outcomes
• Two types of systems:
▫ Triggering (one parameter triggers system)
▫ Scoring (different parameters contribute)
Friedman et al. Maternal Early Warning Systems. Obstet Gynecol Clinics N Amer 2015
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Pediatric
Early Warning
Systems
• Duncan et al
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National Early Warning System
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Maternal Early Warning System
• Concern that other systems are not applicable to pregnant women
• 2007 Saving Mothers Lives report from the Confidential inquiries into Maternal and Child Health in the United Kingdom
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MEWS
• The National Partnership for Maternal Safety
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Baylor/Ben Taub MEWS
• Standardized process of checking vitals and timing of reporting “MEWS” level triggers
• Standardized timing of physician notifications
• Scripted nursing/MD communication
• Common recognized response: physician to bedside within 15 minutes
• Upper level resident or attending evaluated the patient
• Nurse and physician must communicate the plan
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Our Outcomes
• Time to normalization of vital signs 370 min <90 minutes
• Improvement in communication
• Dramatic change in:
▫ events with MD at bedside
▫ Interventions
▫ Diagnoses
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Questions?