Providing physiologically adequate CPR for pediatric single ventricle patients palliated with Bidirectional Glenn (BDG) or Fontan physiology is challenging.

Only 27% of Fontan patients survived to hospital discharge with favorable neurologic outcome, likely driven by difficulty in achieving diastolic blood pressure targets during resuscitation.

Although 57% of BDG patients survived, 1/2 of these survivors had new morbidity as measured by FSS.

In total, 64 patients had either BDG (42/64, 66%) or Fontan (22/64, 34%) anatomy.

Return of spontaneous circulation was achieved in 76% of BDG patients versus 59% of Fontan patients and survival with favorable neurologic outcome in 22/42 (52%) BDG versus 6/22 (27%) Fontan patients, p = 0.067.

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