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01-02-2020 | Trigeminal Neuralgia | Short Review

Teflon™ or Ivalon®: a scoping review of implants used in microvascular decompression for trigeminal neuralgia

Authors: Elliot Pressman, R. Tushar Jha, Gleb Zavadskiy, Jay I. Kumar, Harry van Loveren, Jamie J. van Gompel, Siviero Agazzi

Published in: Neurosurgical Review | Issue 1/2020

Abstract

Background

Trigeminal neuralgia (TN) is characterized by jolts of pain along the distribution of the trigeminal nerve. If patients fail conservative management, microvascular decompression (MVD) is the next step in treatment. MVD is largely done by placing implant pads between the nerve and compressing vessels. We conducted a literature review to assess effectiveness and safety of Teflon™ and Ivalon® sponges for treatment of TN with MVD.

Methods

In January 2019, PubMed was searched for manuscripts published in English using permutations of “Microvascular decompression”, “Teflon”, “Ivalon”, “Granuloma”, “Polytetrafluoroethylene”, “Trigeminal Neuralgia”, and “Exploration”. Success and relapse rates, causes of relapse, and complication rates were analyzed. We analyzed for relationships with ANCOVA at an alpha threshold of .05.

Results

Thirty-six studies representing 4273 patients fit inclusion criteria. Twenty-five dealt with initial MVD, 12 with re-do MVD. Initial MVD initial success rates were 85% in patients receiving Teflon™ (57–100%*) and 91% in patients receiving Ivalon® (79–100%*). Recurrence rates were 12% in Teflon™ patients (0*–30%) and 9.1% in Ivalon® patients (0*–19%). In patients with relapses, implants were the cause in 49% of Teflon™ patients (0*–100%*) and 50% of Ivalon® patients (0*–100%*). Complication rates for patients receiving Teflon™ were 12% (0*–34%) and 19% for patients receiving Ivalon® (0*–40%).

Conclusion

Teflon™ and Ivalon® are two materials used in MVD for TN. It is an effective treatment with long-term symptom relief and recurrence rates of 1–5% each year. Ivalon® has been used less than Teflon™ though is associated with similar success rates and similar complication rates.

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Title: Teflon™ or Ivalon®: a scoping review of implants used in microvascular decompression for trigeminal neuralgia
Authors: Elliot Pressman
R. Tushar Jha
Gleb Zavadskiy
Jay I. Kumar
Harry van Loveren
Jamie J. van Gompel
Siviero Agazzi
Publication date: 01-02-2020
Publisher: Springer Berlin Heidelberg
Keyword: Trigeminal Neuralgia
Published in: Neurosurgical Review / Issue 1/2020
Print ISSN: 0344-5607
Electronic ISSN: 1437-2320
DOI: https://doi.org/10.1007/s10143-019-01187-0

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Teflon™ or Ivalon®: a scoping review of implants used in microvascular decompression for trigeminal neuralgia

Abstract

Background

Methods

Results

Conclusion

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Abstract

Background

Methods

Results

Conclusion

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