1/6
Challenging case #PedsICU #PedsCICU

Newborn w/ CHD, with mBTT shunt for pulm BF
➡️low BP
➡️wide PP
➡️ bradycardia with ST changes that led to a near arrest
➡️mBTT shunt banded and the infant recovered
2/6
Fairly remote from surgery but still in ICU, had
➡️acute severe desaturation
➡️hypotension
➡️low EtCO2
❌murmur

🆘 shunt occlusion

Progressed to eCPR with neck VA ECMO cannulation
3/6
Quick recovery with excellent hemodynamics/saturations/pulm mechanics on ECMO. Low flow trial 2/2 oxygenator failure still with excellent hemodynamics. Exchanged circuit.
Went to cath lab to evaluate shunt➡️quite narrowed but not occluded

Question 1:
4/6
Shunt stented, expected to come off but on return to ICU
➡️hypotensive
➡️labile
➡️bloody ETT secretions

Question 2:
5/6
Increased ECMO flow and vasoactives
➡️ more hypotensive
➡️worse bloody ETT ➡️➡️frank pulmonary hemorrhage

➡️APRV
➡️inhaled TXA
➡️Turned ECMO flow way down
➡️minimized anticoagulation

➡️ pulmonary hemorrhage and hypotension significantly improved
6/6
Moral:

When cannulated via the neck, arterial cannula can be directed right toward an mBTT shunt; esp. if less restrictive
➡️torrential pulmonary blood flow ➡️pulmonary hemorrhage ➕ hypotension

ECMO flow is no longer helpful and it is imperative to come off ASAP
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