Atrial fibrillation after surgery for esophageal carcinoma: Clinical and prognostic significance

Table 1 Preoperative factors associated with postoperative AF (%)

Group	Age older than 65 years	Male sex	Cardiac diseases	COPD	Hypertension	Diabetes mellitus
AF	39.68 (25/63)b	87.30 (55/63)a	19.05 (12/63)a	46.03 (29/63)b	9.52 (6/63)	14.29 (9/63)
Control	21.43 (27/126)b	74.60 (94/126)	7.14 (9/126)	11.11 (14/126)	5.56 (7/126)	12.70 (16/126)

^aP<0.05,

^bP<0.01 vs control group.

Table 2 Intraoperative and postoperative factors associated with postoperative AF (%)

Group	Right thorax approach	Anastomosis at the neck	Anastomosis below the aortic arch	Anastomosis above the aortic arch	Hypotension in operation	Postoperative fever	Postoperative hypoxia	Thoracic–gastric dilatation
AF	11.11 (7/63)	22.22 (14/63)	14.29 (9/63)	63.49 (40/63)	7.94 (5/63)	14.29 (9/63)	25.40 (16/63)b	31.75 (20/63)b
Control	7.94 (10/126)	11.90 (15/126)	10.32 (13/126)	77.78 (98/126)	7.14 (9/126)	8.73 (11/126)	4.76 (6/126)b	18.25 (23/126)b

^bP<0.01 vs control group.

Table 3 Univariate analysis of risk factors for postoperative AF

Risk factors	P
Postoperative hypoxia	<0.001
COPD	0.001
Thoracic–gastric dilatation	0.009
Age more than 65 y	0.009
Male sex	0.017
History of heart disease	0.038
Postoperative fever	0.051
History of hypertension	0.062
Surgical approach	0.143
Anastomosis site	0.189
History of diabetes mellitus	0.412
Intraoperative hypotension	0.475

Table 4 Outcome of AF after drug treatment

Prophylaxis	Cases	Successful antiarrhythmic cases (%)
Cedilanid	51	18 (35.29)
Isoptin	17	2 (11.76)
Propafenone	21	11 (52.38)
Amiodarone	20	20 (100.00)