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Synthetic materials, such as Teflon or Ivalon sponges have also been associated with a direct subsequent neurovascular compression by the same vessel because of a slipped prosthesis 1).

Compression of the trigeminal root entry zone, caused by the prosthesis itself or by severe adhesions, has been reported by several authors 2) 3) , and even indirect vascular compression caused by fairly hard implants like Ivalon has been reported 4) 5).

Liao JJ, Cheng WC, Chang CN, Yang JT, Wei KC, Hsu YH, Lin TK. Reoperation for recurrent trigeminal neuralgia after microvascular decompression. Surg Neurol. 1997 Jun;47(6):562-8; discussion 568-70. PubMed PMID: 9167781.
Cho DY, Chang CG, Wang YC, Wang FH, Shen CC, Yang DY. Repeat operations in failed microvascular decompression for trigeminal neuralgia. Neurosurgery. 1994 Oct;35(4):665-9; discussion 669-70. PubMed PMID: 7808609.
Yamaki T, Hashi K, Niwa J, Tanabe S, Nakagawa T, Nakamura T, Uede T, Tsuruno T. Results of reoperation for failed microvascular decompression. Acta Neurochir (Wien). 1992;115(1-2):1-7. PubMed PMID: 1595390.
Goya T, Wakisaka S, Kinoshita K. Microvascular decompression for trigeminal neuralgia with special reference to delayed recurrence. Neurol Med Chir (Tokyo). 1990 Jul;30(7):462-7. PubMed PMID: 1701856.
Jannetta PJ, Bissonette DJ. Management of the failed patient with trigeminal neuralgia. Clin Neurosurg. 1985;32:334-47. Review. PubMed PMID: 3905144.
ivalon.txt · Last modified: 2017/01/16 19:16 (external edit)