Cohort study

Incidence, Treatment, and Outcomes of Symptomatic Device Lead-Related Venous Obstruction

J Am Coll CardiolPublished

  • Retrospective cohort study
  • nationwide
  • Medicare beneficiaries

Authors' conclusion

In a large nationwide sample, the incidence of LRVO was substantial, affecting 1 of every 20 patients with CIEDs. Device extraction was the most common intervention and was associated with long-term reduction in recurrent health care utilization.

Study context

Population
Medicare beneficiaries after cardiovascular implantable electronic device (CIED) implant, October 1, 2015 to December 31, 202028,214 developed lead-related venous obstruction (LRVO)
Participants
649,524 beneficiaries
Outcome
Symptomatic lead-related venous obstruction (LRVO), cumulative incidence
Follow-up
Maximum 5.2 years

Main finding

As reported in the abstract

Cumulative incidence of LRVO

Patients developing LRVO

28,214

Cumulative incidence of LRVO

5.0%

Observational data: associations, not effects.

Further findings

Independent predictors of LRVO

ComparisonHR (95% CI)
CIEDs with >1 lead1.09 (1.07–1.15)
chronic kidney disease1.17 (1.14–1.20)
malignancies1.23 (1.20–1.27)
Outcomeadjusted rate ratio (95% CI)
LRVO-related health care utilization · adjusted models0.58 (0.52–0.66)

Management of LRVO

Managed conservatively
85.2%
Underwent intervention
4,186 (14.8%)
CIED extraction (of intervention)
74.0%
Percutaneous revascularization (of intervention)
26.0%
No new CIED after extraction
90%
Leadless pacemaker use
2.2%

Original publication

Incidence, Treatment, and Outcomes of Symptomatic Device Lead-Related Venous Obstruction. J Am Coll Cardiol. Published 18 May 2023. doi:10.1016/j.jacc.2023.04.017

Summarised from the published abstract; every number is checked against it