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Medicina (Buenos Aires)

Print version ISSN 0025-7680On-line version ISSN 1669-9106


VILLAMIL, Facundo et al. Endoscopic vs. microscopic techniques for the treatment of trigeminal neuralgia. Our experience at an Argentine care center. Medicina (B. Aires) [online]. 2023, vol.83, n.4, pp.579-587. ISSN 0025-7680.


Trigeminal neuralgia is a highly invali dating pathology, whose natural course has been modi fied thanks to decompressive microvascular surgery. The intervention can be carried out either with a microscope or via an endoscopic technique. Our goal was to compare these two techniques for the treatment of this complex pathology.


Retrospective, analytical study of a cohort of patients treated by a single surgeon at our institution, in the period between 2015 and 2021.


We identified 31 patients and divided them into two groups: 15 (49%) treated using the microscopic technique (group M), and 16 (51%) exclusively via an endoscopic one (group E). Differences were observed between the means of the size of the craniectomy in group M (3.7 cm) compared to group E (2.5 cm); The mean length of hospital stay for patients in group E was shorter (4.46 days compared to that of patients in group M, whose hospital stay averaged 2.43 days). There were no differences between the two groups regarding the length of the procedure. In both groups, the predomi nant compression was due to the superior cerebellar artery (SCA). Pain outcomes were equivalent, with every patient in both groups having an improved postoperative Barrow Neurological Institute Pain Intensity Score (BNI).


Endoscopic microvascular decompression is an attractive option for the resolution of neurovas cular conflict as it provides functional results similar to the microscope technique, without requiring an exten sive craniectomy and associated to shorter in-hospital stay, which is beneficial for both the patient and the institution.

Keywords : Trigeminal neuralgia; Microvascular de compression; Endoscope; Microscope; Functional neu rosurgery.

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