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Observations on failed retrieval of optional inferior vena cava filters

David H Ballard1, Daniel V Do2, Jeremy J Laborde2

  • 1Department of Surgery, Louisiana State University Health Shreveport, 1501 Kings Highway, Shreveport, LA 71103, USA.

Clinical Imaging
|May 20, 2016
PubMed

Insights

Inferior vena cava filter (IVCF) retrieval failures were linked to longer dwell times and filter misalignment. These factors are critical for successful IVCF removal procedures.

Area of Science:

  • Vascular Surgery
  • Interventional Radiology
  • Medical Device Engineering

Background:

  • Inferior vena cava filters (IVCFs) are used to prevent pulmonary embolism.
  • Retrieval of IVCFs can be challenging, and failures can lead to complications.
  • Understanding factors contributing to retrieval failure is crucial for improving patient outcomes.

Purpose of the Study:

  • To investigate the reasons behind failed Inferior Vena Cava Filter (IVCF) retrievals.
  • To identify predictors of successful IVCF retrieval.

Main Methods:

  • A single-center retrospective study was conducted.
  • Data from 211 patients undergoing IVCF procedures were analyzed.
  • Retrieval attempts, reasons for failure, filter duration, and alignment were assessed.

Main Results:

  • Retrievals were attempted in 12% of patients, with 9 failures (all OptEase filters).
  • Common failure causes included inability to snare the hook, non-collapsible filters, and procedural pain.
  • Longer filter duration (median 53 days for failures vs. 31 days for successes) and misalignment with the IVC axis were significantly associated with retrieval failure (P<.05).

Conclusions:

  • Filter dwell time and filter alignment are significant factors influencing IVCF retrieval success.
  • Optimizing IVCF placement and considering removal timing can reduce retrieval failures.
Abstract

Keywords:
IVC filter retrievalIVC filtersInferior vena cava filterInferior vena cava filter retrieval

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