Valvular & structural heart disease

Short- and Long-Term Outcomes in Patients With Thrombophilia Undergoing Transcatheter Closure of Patent Foramen Ovale

JACC Cardiovasc IntervPublished Retrospective cohort study

Authors' conclusion

After PFO closure, no differences were observed in long-term adverse outcomes between patients with and without thrombophilia.

Study context

Population
Patients undergoing transcatheter patent foramen ovale (PFO) closure with preprocedural thrombophilia screening (97.9% for cryptogenic stroke; mean age 56.4 years)
Participants
669 patients
Exposure
Thrombophilia vs no thrombophilia
  • Thrombophilian = 174
Outcome
Long-term adverse outcomes (rates per 100 person-years)
Follow-up
Median 11.6 years
Methodological detailsconsecutive patients, registry linked to population-based administrative databases, Ontario, Canada
  • Consecutive patients
  • Registry linked to population-based administrative databases
  • Ontario, Canada

Main finding

As reported in the abstract

Long-term adverse outcomes
New-onset AF (most common), overall rate per 100 person-years
1.0 (95% CI 0.8-1.2)
Recurrent cerebrovascular events, overall rate per 100 person-years
0.8 (95% CI 0.6-1.1)
No differences between the groups
P > 0.05

Observational data: associations, not effects.

Further findings

30-day ED visits and readmissions

No differences by thrombophilia status

Safety

In-hospital procedural complications

Overall rate
3.1%
No difference by thrombophilia status

Original publication

Short- and Long-Term Outcomes in Patients With Thrombophilia Undergoing Transcatheter Closure of Patent Foramen Ovale. JACC Cardiovasc Interv. Published 12 June 2023. doi:10.1016/j.jcin.2023.04.027

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