• Almudena Sánchez-Gómez, Paola Camargo, Ana Cámara, Pedro Roldán, Jordi Rumià, Yaroslau Compta, Álvaro Carbayo, Maria José Martí, Esteban Muñoz, and Francesc Valldeoriola.
• Institut de Neurociències, Service of Neurology, Parkinson's Disease and Movement Disorders Unit., Hospital Clinic de Barcelona, Barcelona, Catalonia, Spain; Institut de Neurociències, Maeztu Center, Universitat de Barcelona, Barcelona, Catalonia, Spain; Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Catalonia, Spain.
• World Neurosurg. 2022 Oct 1; 166: e163e176e163-e176.

ObjectiveThe objective of this study was to evaluate the accuracy of the SureTune3 postoperative imaging software in determining the location of a deep brain stimulation (DBS) electrode based on clinical outcomes and the adverse effects (AEs) observed.MethodsTwenty-six consecutive patients with Parkinson disease (n = 17), essential tremor (n = 8), and dystonia (n = 1) who underwent bilateral DBS surgery (52 electrodes) were included in this study. Presurgical assessments were performed in all patients prior to surgery and at 3 and 6 months after surgery, using quality-of-life and clinical scales in each case. The SureTune3 software was used to evaluate the anatomical positioning of the DBS electrodes.ResultsFollowing DBS surgery, motor and quality-of-life improvement was observed in all patients. Different AEs were detected in 12 patients, in 10 of whom (83.3%) SureTune3 related the symptoms to the positioning of an electrode. A clinical association was observed with SureTune3 for 48 of 52 (92.3%) electrodes, whereas no association was found between the AEs or clinical outcomes and the SureTune3 reconstructions for 4 of 52 electrodes (7.7%) from 4 different patients. In 2 patients, the contact chosen was modified based on the SureTune3 data, and in 2 cases, the software helped determine that second electrode replacement surgery was necessary.ConclusionsThe anatomical position of electrodes analyzed with SureTune3 software was strongly correlated with both the AEs and clinical outcomes. Thus, SureTune3 may be useful in clinical practice, and it could help improve stimulation parameters and influence decisions to undertake electrode replacement surgery.Copyright © 2022 Elsevier Inc. All rights reserved.

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