Comparison of temporary pacing techniques in dogs undergoing permanent pacemaker implantation.

Both temporary pacing techniques are reliable; TTTP reduces procedure time but increases anaesthetic complications.

This retrospective study compared two temporary cardiac pacing techniques in 60 dogs undergoing permanent pacemaker implantation: transvenous temporary pacing (TVTP, n=40) and transthoracic temporary pacing (TTTP, n=20). Dogs receiving TTTP were significantly lighter (median 9.2 kg vs 26 kg). TTTP reduced total procedure duration by approximately 35 minutes, primarily by decreasing premedication to induction time. However, TTTP was associated with higher anaesthetic complication rates (78.9% vs 48%, P=0.041). Temporary pacing-related complications were similar between groups (25% vs 20%, P=0.65), and fluoroscopy times did not differ significantly. The authors conclude both techniques are reliable alternatives, with TTTP offering procedural time advantages but potentially increased anaesthetic risk, possibly related to the smaller bodyweight of dogs in the TTTP group. Bodyweight differences between groups may have confounded results and warrants consideration in clinical decision-making.

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