Collateral findings during computed tomography scan for atrial fibrillation ablation: Let’s take a look around

Table 1 Studies about collateral findings detected at cardiac computed tomography performed for atrial fibrillation ablation

Ref.	n of pts	Mean age (yr)	Smoking history	Scanner	FOV	Collateral Findings, n (% of patients)	Cardiac (n)	Extracardiac (n)	Pulmonary (n)	Extra pulmonary (n)	Clinically significant	Malignancies
Wissner et al[30]	95	62 ± 10	45%	16- and 64-slice	Above clavicle to diaphragm	83 (53%)	5	78	46	37	16% of patients	1 (1.1%)
Sohns et al[31]	158	NR	NR	64-slice	Supraaortic region to the heart base and upper abdomen	198 (72%)	NR	198	47	151	31% of patients	2 (1.3%)
Sohns et al[32]	224	64 ± 10	38%	64-slice	Supraaortic region to the heart base and upper abdomen	1343	724	619	77	542	32% of extracardiac findings	2 (0.9%)
Schietinger et al[33]	149	55.9 ± 11	47%	16-slice	Aortic arch to diaphragm	110 (69%)	NR	102	70	32	24% of patients	0 (0%)
Martins et al[34]	250	55.2 ± 9.6	NR	64-slice	20-25 cm centered on the heart	58 (23%)	3	73	38	38	NR	2 (0.8%)
Casella et al[35]	173	59 ± 10	50%	64-slice	Carina to diaphragmatic domes	164 (56%)	14	150	74	90	33% of patients	3 (1.7%)

FOV: Field of view; NR: Not reported.