Incidental congenital coronary artery vascular fistulas in adults: Evaluation with adenosine-13N-ammonia PET-CT

Table 3 Pharmacological adenosine stress/rest ¹³N-ammonia positron emission tomography computed tomography in 5 patients with unilateral coronary vascular fistulas

Case	CAF	Stress/rest perfusion segments				LVEF (%)		Semi-quantitative findings	CAD	Prior procedure	Management of CAF
		LCx	RCA	LAD	Global	Rest	Stress
3	LCx-PA	2.74	2.49	2.56	2.59	52	57	No perfusion defects	1-VD	PCI-LAD	PTE
4	RCA-CS	2.65	2.7	2.71	2.69	65	65	Diffuse reversible reduction of perfusion in the apical, antero-septal and partially in basal anterior segment	None	None	CMM
7	LAD-PA	2.36	2.55	2.35	2.33	60	65	Perfusion of LAD area is less than inferior segment	None	None	CMM
8	LAD-PA	3.02	2.91	2.94	2.95	33	39	Normal perfusion with reduced LVEF	1-VD	PCI-LAD	CMM
11	LAD-PA	3.2	3.6	4.5	3.9	65	65	No perfusion defects	None	None	CMM

CAD: Coronary artery disease; CAF: Coronary artery fistula; CMM: Conservative medical management; CS: Coronary sinus; LAD: Left anterior descending coronary artery; LCx: Left circumflex coronary artery; LVEF: Left ventricular ejection fraction; PA: Pulmonary artery; PCI: Percutaneous coronary intervention; PTE: Percutaneous transcatheter embolization; RCA: Right coronary artery; VD: Vessel disease.