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Related Experiment Video

Updated: Jun 25, 2026

Direct Pressure Monitoring Accurately Predicts Pulmonary Vein Occlusion During Cryoballoon Ablation
11:03

Direct Pressure Monitoring Accurately Predicts Pulmonary Vein Occlusion During Cryoballoon Ablation

Published on: February 26, 2013

Avoiding abducens nerve palsy during the percutaneous balloon compression procedure.

Zinovia Kefalopoulou1, Elli Markaki, Constantine Constantoyannis

  • 1Functional Neurosurgery Unit, Department of Neurosurgery, Medical School of Patras, Patras, Greece.

Stereotactic and Functional Neurosurgery
|February 19, 2009
PubMed
Summary

Percutaneous balloon compression for trigeminal neuralgia can cause sixth nerve injury. Irregular balloon shape and inflation toward the sellar floor are key risk factors for this complication.

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Area of Science:

  • Neurosurgery
  • Radiology

Background:

  • Trigeminal neuralgia is a debilitating neuropathic pain condition.
  • Percutaneous balloon compression is a treatment option for drug-resistant trigeminal neuralgia.

Purpose of the Study:

  • To identify risk factors for sixth nerve injury following percutaneous balloon compression of the gasserian ganglion.

Main Methods:

  • Retrospective analysis of medical records and intraoperative radiological images from 79 patients.
  • Patients treated for drug-resistant trigeminal neuralgia using percutaneous balloon compression.

Main Results:

  • Two patients (2.5%) developed transient sixth nerve palsy post-operatively.
  • Intraoperative radiographs revealed irregular balloon shape and inflation towards the sellar floor as the cause.

Related Experiment Videos

Last Updated: Jun 25, 2026

Direct Pressure Monitoring Accurately Predicts Pulmonary Vein Occlusion During Cryoballoon Ablation
11:03

Direct Pressure Monitoring Accurately Predicts Pulmonary Vein Occlusion During Cryoballoon Ablation

Published on: February 26, 2013

Conclusions:

  • The shape and anatomical position of the inflated balloon are critical for procedure success and complication avoidance.
  • Careful balloon inflation is essential to minimize the risk of sixth nerve injury.