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Acta Med Scand. 1981;210(3):197-200.

Characteristics of atrioventricular conduction disturbances in ankylosing spondylitis (Mb. Bechterew).

Abstract

Atrioventricular (AV) conduction disturbances in 30 patients with ankylosing spondylitis (Mb. Bechterew) have been examined. Nine patients had AV block I with intermittent AV block II (Wenckebach block), 3 had complete heart block, 1 patient had atrial fibrillation and another had intermittent sinoatrial (SA) block. Thus, 14 (48%) patients had conduction defects. Electrophysiological investigations in 5 patients with AV block and in 1 patient with SA block revealed that the site of the block was proximal to the bundle of His. Two additional patients had prolonged sinus node recovery time implying dysfunction of the sinus node. An association between aortic valvular insufficiency and conduction disturbances was found, but AV block occurred also in patients without signs of valvular regurgitation. Four patients were treated with a permanent pacemaker and 5 with a temporary pacemaker in connection with aortic valvular surgery.

[Indexed for MEDLINE]

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