Trochlear Nerve Palsy after Repeated Percutaneous Balloon Compression for Recurrent Trigeminal Neuralgia: Case Report and Pathogenic Considerations

Enrique Urculo, Roger Alfaro, Mariano Arrazola, Edgar Astudillo, Guillermo Rejas, Giovanni Broggi, L. Dade Lunsford, Kim J. Burchiel, Farhad Limonadi, Yücel Kanpolat

Research output: Contribution to journalArticle

24 Scopus citations

Abstract

OBJECTIVE AND IMPORTANCE: Repeated percutaneous balloon compression for the treatment of idiopathic trigeminal neuralgia is infrequent. When a second procedure is performed, the outcome is unknown. A patient developed an isolated trochlear nerve palsy after undergoing percutaneous trigeminal ganglion balloon compression for a second time. The mechanism of diplopia and the complications associated with this technique were studied. CLINICAL PRESENTATION: The patient was a 67-year-old woman with a history of medically refractory idiopathic trigeminal neuralgia involving all three divisions of the right trigeminal nerve. INTERVENTION: Percutaneous balloon compression was performed. Despite initial total relief from pain without complications, the patient again displayed manifestations of trigeminal neuralgia 3 months after the procedure. The pain disappeared after she underwent a second balloon compression procedure, but she developed an isolated trochlear nerve palsy, which spontaneously resolved in 2 months. CONCLUSION: Isolated trochlear nerve palsy is a rare and reversible complication after percutaneous balloon compression for trigeminal neuralgia. This case illustrates that the mechanism of injury to the fourth nerve is the result of an erroneous technique: excessive penetration of the Fogarty catheter in Meckel's cave beyond the porus trigemini and compression of the cisternal segment of the trochlear nerve when the inflated balloon is pushed against the tentorium.

Original languageEnglish (US)
Pages (from-to)505-509
Number of pages5
JournalNeurosurgery
Volume54
Issue number2
DOIs
StatePublished - Feb 2004

Keywords

  • Complication
  • Diplopia
  • Mullan's technique
  • Percutaneous balloon compression
  • Trigeminal neuralgia
  • Trochlear nerve palsy

ASJC Scopus subject areas

  • Surgery
  • Clinical Neurology

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