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Stereotactic brain biopsy: evaluation of robot-assisted procedure in 60 patients

Abstract : Background Frameless stereotactic biopsies, particularly robot-assisted procedures are increasing in neurosurgery centers. Results of these procedures should be at least equal to or greater than frame-based reference procedure. Evaluate robotassisted technology is necessary in particular, when a team has chosen to switch from one to another method. Objective The objective of our prospective work was (i) to evaluate the success rate of contributive robotic-assisted biopsy in 60 patients, to report the morbidity and mortality associated with the procedure and (ii) to compare it with literature data. Methods We performed a prospective and descriptive study including 60 consecutive patients having had robotic-assisted stereotactic biopsy at the Rouen University Hospital, France. All patients had presurgical imaging before the procedure included Magnetic Resonance Imaging merged with Computed Tomography scan acquisition. Registration was mostly performed with a touch-free laser (57/60). A control Computed Tomography scan was always realized at day 0 or day 1 after surgery. Data collected were success rate, bleeding, clinical worsening, infection, and mortality. Results All the biopsies were considered as contributive and lead to the final diagnosis. In 41/60 patients (68%), the lesion was glial. Six in 60 patients (10%) had visible bleeding without clinical worsening related, 5/60 patients (8.5%) showed clinical impairment following surgery, which was permanent in 2 patients, and 1/60 patient presented generalized seizures. We did not report any infection and mortality. Conclusion Robot-assisted frameless surgery is efficient and provides a reasonable alternative to frame-based procedure. The operating time can be reduced, without increasing morbidity and mortality rates.
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https://hal-normandie-univ.archives-ouvertes.fr/hal-02370757
Contributor : Sabine Douville <>
Submitted on : Tuesday, November 19, 2019 - 3:34:39 PM
Last modification on : Sunday, October 25, 2020 - 7:06:13 AM

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Laura Terrier, Vianney Gilard, Florent Marguet, Maxime Fontanilles, Stéphane Derrey. Stereotactic brain biopsy: evaluation of robot-assisted procedure in 60 patients. Acta Neurochirurgica, Springer Verlag, 2019, 161 (3), pp.545-552. ⟨10.1007/s00701-019-03808-5⟩. ⟨hal-02370757⟩

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