Thyroid dysfunction in patients with suspected or documented supraventricular tachyarrhythmia

Table 2 Electrophysiology study results according to thyroid function

	Euthyroidism	Thyroid dysfunction	p Value
Total population
Patient number	477	56
Significant SVT	413 (86.6)	53 (94.6)	0.09
Any SVT^†
PSVT	375 (78.6)	47 (83.9)	0.39
Atrial fibrillation or flutter	48 (10.1)	8 (14.3)	0.36
Atrial tachycardia	38 (8.0)	4 (7.1)	> 0.999
Junctional tachycardia	7 (1.5)	0 (0)	> 0.999
Inappropriate sinus tachycardia	1 (0.2)	1 (1.8)	0.20
Patients with previously documented SVT
Patient number	336	40
Significant SVT	305 (90.8)	40 (100)	0.06
Any SVT^ǂ
PSVT	278 (82.7)	35 (87.5)	0.51
Atrial fibrillation or flutter	36 (10.7)	6 (15.0)	0.43
Atrial tachycardia	28 (8.3)	4 (10.0)	0.76
Junctional tachycardia	6 (1.8)	0 (0)	> 0.999
Inappropriate sinus tachycardia	0 (0)	0 (0)	N/A

Values are reported as n (%)
N/A Not applicable; PSVT paroxysmal supraventricular tachycardia; SVT supraventricular tachyarrhythmia
^†Eight cases of atrial fibrillation or flutter, 4 of atrial tachycardia, and 5 of junctional tachycardia were regarded as not clinically significant
^ǂFour cases of atrial fibrillation or flutter, 4 of atrial tachycardia, and 4 of junctional tachycardia were regarded as not clinically significant

ISSN: 2466-1171