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March 8, 2026European Heart Journal - Case ReportsOpen Access

Pulmonary thromboembolism exacerbated by thrombus migration through an inferior vena cava filter: a case report

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Key result

Tilted IVC filters can allow thrombus migration and worsen PE, necessitating advanced thrombectomy.

  • n=1

Why the study?

Inferior vena cava filter failure mechanisms and optimal alternatives remain understudied, particularly in intermediate-high risk pulmonary thromboembolism cases where anticoagulation fails.

Population

A 61-year-old woman with intermediate-to-high-risk PTE and recurrent embolization despite anticoagulation

Design

Case report

Authors

MKMari KanekiSt. Marianna University School of MedicineMKMasashi KogaSt. Marianna University School of MedicineYTYasuhiro TanabeSt. Marianna University School of Medicine

Discussion

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Implication

May warrant advanced thrombectomy to avoid surgery in complex PE; hypothesis-generating for optimal IVC filter deployment.

Key Points

  • To highlight the complications associated with inferior vena cava filters in preventing pulmonary thromboembolism.
  • Presented a case of a 61-year-old woman with recurrent embolization despite anticoagulation.
  • Deployed an inferior vena cava filter to prevent further embolization.
  • Performed surgical thrombectomy after discovering thrombus migration.
  • Thrombus migrated through the IVC filter, causing recurrent pulmonary embolism.
  • Surgical intervention was required due to filter tilt complications.
  • Emphasized the importance of precise IVC filter placement.

Study Design

Type

Case Report (n=1)

Structured PICO

P
Population
A 61-year-old woman with intermediate-to-high-risk pulmonary thromboembolism who experienced recurrent embolization despite anticoagulation and IVC filter placement.
I
Intervention
Inferior vena cava (IVC) filter placement followed by surgical thrombectomy
O
Outcome
Thrombus migration through tilted IVC filter and subsequent surgical thrombectomysafety

This case highlights the risk of thrombus migration due to IVC filter tilt and suggests considering advanced catheter-based thrombectomy devices to reduce the need for surgical intervention.

Cite This Study

Kaneki et al. (2026) conducted a case report in Pulmonary thromboembolism (n=1). Inferior vena cava (IVC) filter placement and surgical thrombectomy was evaluated. A 61-year-old woman with intermediate-to-high-risk pulmonary thromboembolism experienced thrombus migration through a tilted IVC filter, requiring surgical thrombectomy.

synapsesocial.com/papers/69ad1304e7e9681137aa8e2bhttps://doi.org/10.1093/ehjcr/ytag154

Topics

Pulmonary embolism
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Also Consider

Synapse has enriched 3 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Eight-Year Follow-Up of Patients With Permanent Vena Cava Filters in the Prevention of Pulmonary Embolism2005 · 936 citations
  2. 22019 ESC Guidelines for the diagnosis and management of acute pulmonary embolism developed in collaboration with the European Respiratory Society (ERS)2019 · 4,989 citations
  3. 3Catheter-based therapies in acute pulmonary embolism2018 · 31 citations