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January 5, 1976

Problems With Balloon-Tipped Stylet Pacemaker Catheters

Author Affiliations

From the Department of Medicine, Section of Cardiology, Medical College of Wisconsin, Milwaukee County General Hospital, Milwaukee.

JAMA. 1976;235(1):51-52. doi:10.1001/jama.1976.03260270037025

Balloon-tipped stylet pacemaker catheters have two intraluminal styletrelated limitations that warrant extreme caution in their use. The first limitation involves manipulation of the stylet inside the catheter and appears to be a consequence of the angulation made by the catheter in the right atrium; the second limitation is a complication involving actual in vivo fracture of the stylet and is presumably related to tapering of the stylet at a point of stress in the right atrium. Although these pacemaker catheters have distinct advantages, the problems arising from their use cannot be ignored. Until modification can be made to resolve these problems, this catheter must be used with extreme caution.

(JAMA 235:51-52, 1976)