Key result
Transvenous pacing lead implantation was associated with venous obstruction in 32.9% of patients at 44 months follow-up, compared to a 13.7% prevalence prior to implantation.
Why the study?
What is the incidence and what are the risk factors for venous obstruction after implantation of transvenous pacing leads?
Population
131 consecutive patients undergoing permanent pacemaker implantation.
Design
Cohort
Follow-up
mean 44 +/- 6 months
Authors
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Pre-implant venous assessment may reduce overestimation of lead-related obstruction; leaves open true incidence and risk factors pending prospective data.
Cohort (n=131)
What is the incidence and what are the risk factors for venous obstruction after implantation of transvenous pacing leads?
Absolute Event Rate: 32.9% vs 13.7%
The incidence of venous obstruction after pacing lead implantation may be lower than previously reported when accounting for pre-existing venous obstruction.
Oginosawa et al. (2002) conducted a cohort in Pacemaker implantation (n=131). Transvenous pacing lead implantation vs. Prior to implantation (baseline) was evaluated on Venous obstruction (diameter narrowing > 60%). Transvenous pacing lead implantation was associated with venous obstruction in 32.9% of patients at 44 months follow-up, compared to a 13.7% prevalence prior to implantation.
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