• Clin Neurol Neurosurg · Oct 2016

    Options in treating trigeminal neuralgia: Experience with 195 patients.

    • Patrick W Hitchon, Marshall Holland, Jennifer Noeller, Mark C Smith, Toshio Moritani, Nivedita Jerath, and Wenzhuan He.
    • Department of Neurosurgery, University of Iowa Carver College of Medicine, Iowa City, IA, United States. Electronic address: patrick-hitchon@uiowa.edu.
    • Clin Neurol Neurosurg. 2016 Oct 1; 149: 166-70.

    ObjectiveFor patients with medically unresponsive trigeminal neuralgia (TN), surgical options include microvascular decompression (MVD), radiofrequency rhizotomy (RF), and stereotactic radiosurgery (SRS). In an attempt to identify the risks and benefits and cost inherent with each of the three modalities, we performed a retrospective review of our experience with 195 cases of TN treated over the past 15 years.MethodsSince 2001, 195 patients with previously untreated TN were managed: with MVD in 79, RF in 36, and SRS in 80. All patients reported herein underwent preoperative MRI. Women outnumbered men 122/73 (p=0.045). Follow-up after surgery was 32±46months.ResultsThe patients qualifying for MVD were generally healthier and younger, with a mean age±SD of 57±14, compared to those undergoing RF (75±15) or SRS (73±13, p<0.0001). In case of relapse, medical treatment was always tried and failed prior to consideration of surgical intervention. A second surgical procedure was necessary in 2, 23, and 18 patients initially treated with MVD, RF, and SRS respectively (p<0.0001). In the patients treated with MVD, RF, and SRS, the average number of procedures per patient necessary to achieve pain control was 1.1, 2.0, and 1.3 respectively (p=0.001). There were 7 complications in the patients treated with MVD but no deaths. Numbness was present in 13, 18, and 29 patients treated with MVD, RF, and SRS respectively (p=0.008).ConclusionMVD for TN is the treatment least likely to fail or require additional treatment. Patients who underwent MVD were younger than those undergoing RF or SRS. The highest rate of recurrence of TN was encountered in patients undergoing RF (64%). Facial numbness was least likely to occur with MVD (16%) compared to RF and SRS (50% and 36% respectively).Copyright © 2016 Elsevier B.V. All rights reserved.

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