Cardiac Resynchronization Therapy for Pacing-Related Dysfunction Post Cardiac Surgery in Neonates.

An infant with DiGeorge syndrome, multiple comorbidities, and truncus arteriosus type II underwent repair complicated by heart block necessitating placement of a dual-chamber bipolar pacing system with right ventricular leads and subsequent resynchronization with placement of left ventricular apical pacing leads. Resynchronization therapy improved QRS duration from 180 ms to 100 ms and ejection fraction from 25% to 54% over the course of 4 weeks with gradual return to normal function and eventual discharge.

Nutritional markers accompanying acquired chylothorax in infants: a systematic review.

Context: Chylothorax is a well-established acquired complication of thoracic surgery in infants. Current data suggest acquired chylothorax may affect infant growth and nutrition because of a loss of essential nutrients via chylous effusion.

Objective: The 3 objectives for this study were: (1) identify nutritional markers affected by the development of acquired chylothorax in infants; (2) highlight the variability in methods used to assess nutritional status and growth in this patient population; and (3) highlight nutritional deficits that can serve as treatment targets during postoperative feeding protocols.

Quadricuspid Aortic Valve With Guarded Left Coronary Artery Ostium in an Infant With Myocardial Infarction.

• Anatomical variations of the aortic valve include unicuspid, bicuspid, and quadricuspid. • The bicuspid aortic valve is most common and affects 1%-2% of the general population. • QAV is generally an isolated malformation, and adults most commonly present with AR.

Successful Surgical Management of Aortic Arch Thrombosis in the Neonate.

Spontaneous thrombosis in the aortic arch is a rare finding in the neonate. Often the thrombosis is initially interpreted as arch obstruction secondary to coarctation or interrupted aortic arch. Thus the obstruction is mechanical with no structural abnormality.