The use of octreotide to successfully treat protein-losing enteropathy following the Fontan operation. Congenit Heart Dis. 2011;6:653 6. S4.4.2-31. John AS, Johnson JA, Khan M, et al. Clinical outcomes and improved survival in patients with protein-losing enteropathy after the Fontan operation. J Am Coll Cardiol. 2014;64:54 62. S4.4.2-32. Nakagawa H, Shah N, Matsudaira K, et al. Characterization of reentrant circuit in macroreentrant right atrial tachycardia after sur- gical repair of congenital heart disease: isolated channels between scars allow focal ablation. Circulation. 2001;103:699 709. S4.4.2-33. K rer CC, Tanner CS, Vetter VL. Electrophysiologic findings after Fontan repair of functional single ventricle. J Am Coll Cardiol. 1991;17:174 81. S4.4.2-34. Gelatt M, Hamilton RM, McCrindle BW, et al. Risk factors for atrial tachyarrhythmias after the Fontan operation. J Am Coll Cardiol. 1994;24:1735 41. S4.4.2-35. De Groot NM, Kuijper AF, Blom NA, et al. Three-dimensional distri- bution of bipolar atrial electrogram voltages in patients with con- genital heart disease. Pacing Clin Electrophysiol. 2001;24:1334 42. S4.4.2-36. Cohen MI, Bridges ND, Gaynor JW, et al. Modifications to the cavopulmonary anastomosis do not eliminate early sinus node dys- function. J Thorac Cardiovasc Surg. 2000;120:891 900. S4.4.2-37. Balaji S, Daga A, Bradley DJ, et al. An international multicenter study comparing arrhythmia prevalence between the intracardiac lateral tunnel and the extracardiac conduit type of Fontan opera- tions. J Thorac Cardiovasc Surg. 2014;148:576 81. S4.4.2-38. de Groot NMS, Schalij MJ, Zeppenfeld K, et al. Voltage and activa- tion mapping: how the recording technique affects the outcome of catheter ablation procedures in patients with congenital heart disease. Circulation. 2003;108:2099 106. S4.4.2-39. Cohen MI, Vetter VL, Wernovsky G, et al. Epicardial pacemaker im- plantation and follow-up in patients with a single ventricle after the Fontan operation. J Thorac Cardiovasc Surg. 2001;121:804 11. S4.4.2-40. Gentles TL, Gauvreau K, Mayer JE Jr, et al. 