Case Presentation: “PPHN”a/Jueves... · 2019. 10. 11. · 2: preductal 89%, post-ductal 60-70%...
Transcript of Case Presentation: “PPHN”a/Jueves... · 2019. 10. 11. · 2: preductal 89%, post-ductal 60-70%...
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Case Presentation: “PPHN”
Neil Patel, MDRoyal Hospital for Children,
Glasgow UK
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Fort William
Glasgow
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Delivery in Fort William
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Delivery in Fort William
• IVF pregnancy• Mother, 37 years. • Previous deep vein thrombosis on low molecular weight heparin
Delivery:District General Hospital (Fort William, 110 miles from Glasgow)SVD at 39 weeks gestation, 9amApgars: 9@1, 9@5
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@30 mins of age
• Poor colour, “dusky”• Respiratory rate 80 breaths per minute• Saturations in facial O2: preductal 89%, post-ductal 60-70%
• Capillary blood gas: H+ 59, PCO2 6.6 kPa (50mmHg), PO2 4 kPa (30mmHg), base excess -9, lactate 5
• Chest xray:
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Progress at Fort William
Conference call: Transport team / Paediatric Cardiologist / Receiving Neonatologist in Glasgow
What would you advise?
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Progress at Fort William• Prostaglandin E1 commenced at 20 nanog/kg/min• Intubated and ventilated• Umbilical arterial and venous lines inserted
On arrival of transport team (4 hours of age):PTV: 19/6 FiO2 0.90Sats 93% pre / 74% post BP 40/32 (35) mmHg
What would you do now? Should the baby go to a cardiac NICU?
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Progress at Fort William• Prostaglandin E1 commenced at 20 nanog/kg/min• Intubated and ventilated• Umbilical arterial and venous lines inserted
On arrival of transport team (4 hours of age):PTV: 19/6 FiO2 0.90Sats 93% pre / 74% post BP 40/32 (35) mmHg
What would you do now? Should the baby go to a cardiac NICU?• iNO commenced 20ppm: saturations 94% pre ductal, 80% post- ductal• Dopamine commenced 10 mcg/kg/minCongresso Argentino de Neonatologie
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On arrival in at NICU, Glasgow: 9 hours of age:
• FiO2 0.75. SpO2 : 95% pre-ductal, 90% post-ductal
• BP 45/38 (41) mmHg
• 2/6 systolic murmur, femoral pulses present, liver 1-2cm
• ET aspirates: “large amounts of mucous and blood”
Echocardiogram:
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Left ventricular systolic strain
(Normal Global Strain: -22%)
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16 hours of age
• FiO2 ↑ 0.85• SpO2: preductal 95%, postductal 89% • Reduced blood pressure: 40/35 (36) mmHg • Oliguric• Lactate 3.0 mmol/l
• Echo repeated:
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Left ventricular systolic strain
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What would you do?
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What would you do?
• Epinephrine commenced 0.05 mcg/kg/min
After 6 hours:
• Blood pressure improved: 52 / 36 (42) mmHg
• SpO2 : preductal 98%, post-ductal 92%
• Urine output improved
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50 hours of age
• FiO2 ↓ 0.38• SpO2: Preductal 96%, post-ductal 94%• BP 60 / 35 (48) mmHg• Lactate 1.7 mmol/l
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Take home messages:
1. ? PPHN or cyanotic congenital heart disease
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J Paediatr Child Health, 2014Congresso Argentino de Neonatologie
“No single finding distinguishes congenital heart disease from PPHN”
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Gupta et al, Arch Dis Child, F&N, 2013
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Take home messages:
1. ? PPHN or cyanotic congenital heart disease: start PGE1
2. Left ventricular dysfunction may be a contributing factor to PPHN
3. Serial functional echocardiography to guide management
4. Targeted cardiotropic support and time to support LV
Thank you to colleagues in Neonatal Unit and Paediatric Cardiology at RHC, Glasgow
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