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Sinha S, Kalyal N, Gallagher MJ, Richardson D, Kalaitzoglou D, Abougamil A, Silva M, Oviedova A, Patel S, Mirallave-Pescador A, Bleil C, Zebian B, Gullan R, Ashkan K, Vergani F, Bhangoo R, Pedro Lavrador J. Impact of Preoperative Mapping and Intraoperative Neuromonitoring in Minimally Invasive Parafascicular Surgery for Deep-Seated Lesions. World Neurosurg 2024; 181:e1019-e1037. [PMID: 37967744 DOI: 10.1016/j.wneu.2023.11.030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Accepted: 11/07/2023] [Indexed: 11/17/2023]
Abstract
BACKGROUND Transsulcal tubular retractor-assisted minimally invasive parafascicular surgery changes the surgical strategy for deep-seated lesions by promoting a deficit-sparing approach. When integrated with preoperative brain mapping and intraoperative neuromonitoring (IONM), this approach may potentially improve patient outcomes. In this study, we assessed the impact of preoperative brain mapping and IONM in tubular retractor-assisted neuro-oncological surgery. METHODS This retrospective single-center cohort study included patients who underwent transsulcal tubular retractor-assisted minimally invasive parafascicular surgery for resection of deep-seated brain tumors from 2016 to 2022. The cohort was divided into 3 groups: group 1, no preoperative mapping or IONM (17 patients); group 2, IONM only (25 patients); group 3, both preoperative mapping and IONM (38 patients). RESULTS We analyzed 80 patients (33 males and 47 females) with a median age of 46.5 years (range: 1-81 years). There was no significant difference in mean tumor volume (26.2 cm3 [range 1.07-97.4 cm3]; P = 0.740) and mean preoperative depth of the tumor (31 mm [range 3-65 mm], P = 0.449) between the groups. A higher proportion of high-grade gliomas and metastases was present within group 3 (P = 0.003). IONM was related to fewer motor (P = 0.041) and language (P = 0.032) deficits at hospital discharge. Preoperative mapping and IONM were also related to shorter length of stay (P = 0.008). CONCLUSIONS Preoperative and intraoperative brain mapping and monitoring enhance transsulcal tubular retractor-assisted minimally invasive parafascicular surgery in neuro-oncology. Patients had a reduced length of stay and prolonged overall survival. IONM alone reduces postoperative neurological deficit.
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Affiliation(s)
- Siddharth Sinha
- Department of Neurosurgery, King's College Hospital Foundation Trust, London, United Kingdom.
| | - Nida Kalyal
- Department of Neurosurgery, King's College Hospital Foundation Trust, London, United Kingdom
| | - Mathew J Gallagher
- Department of Neurosurgery, King's College Hospital Foundation Trust, London, United Kingdom
| | - Daniel Richardson
- Department of Neurosurgery, King's College Hospital Foundation Trust, London, United Kingdom
| | - Dimitrios Kalaitzoglou
- Department of Neurosurgery, King's College Hospital Foundation Trust, London, United Kingdom
| | - Ahmed Abougamil
- Department of Neurosurgery, King's College Hospital Foundation Trust, London, United Kingdom
| | - Melissa Silva
- Department of Neurosurgery, Intraoperative Neurophysiology, King's College Hospital Foundation Trust, London, United Kingdom
| | - Anna Oviedova
- Department of Neurosurgery, King's College Hospital Foundation Trust, London, United Kingdom
| | - Sabina Patel
- Department of Neurosurgery, King's College Hospital Foundation Trust, London, United Kingdom
| | - Ana Mirallave-Pescador
- Department of Neurosurgery, King's College Hospital Foundation Trust, London, United Kingdom; Departamento de Neurocirurgia, Hospital Garcia de Orta, Almada, Portugal
| | - Cristina Bleil
- Department of Neurosurgery, King's College Hospital Foundation Trust, London, United Kingdom
| | - Bassel Zebian
- Department of Neurosurgery, King's College Hospital Foundation Trust, London, United Kingdom
| | - Richard Gullan
- Department of Neurosurgery, King's College Hospital Foundation Trust, London, United Kingdom
| | - Keyoumars Ashkan
- Department of Neurosurgery, King's College Hospital Foundation Trust, London, United Kingdom
| | - Francesco Vergani
- Department of Neurosurgery, King's College Hospital Foundation Trust, London, United Kingdom
| | - Ranjeev Bhangoo
- Department of Neurosurgery, King's College Hospital Foundation Trust, London, United Kingdom
| | - José Pedro Lavrador
- Department of Neurosurgery, King's College Hospital Foundation Trust, London, United Kingdom
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Tosi U, Guadix SW, Souweidane MM. Neuroendoscopy: The State of the Art. World Neurosurg 2023; 178:305-310. [PMID: 37803686 DOI: 10.1016/j.wneu.2023.07.125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Accepted: 07/27/2023] [Indexed: 10/08/2023]
Abstract
Over the past century, neuroendoscopy developed into a mainstay of neurosurgical practice, allowing for minimally invasive approaches to the ventricles, skull base, and spine. Its development, however, is far from over. Current challenges are inherent in the very feature that renders neuroendoscopy appealing-the small channels of the modern endoscope allow surgery to be performed with minimal tissue retraction, but they also make hemostasis and resection of large masses difficult. New optics allow for significantly improved image quality; yet open craniotomy often allows for 3-dimensional visualization and bimanual dissection and is part of everyday neurosurgical training. Finally, the utilization of neuroendoscopy remains limited, presenting ongoing challenges for neurosurgical teaching and achievement of technical mastery.
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Affiliation(s)
- Umberto Tosi
- Department of Neurological Surgery, NewYork-Presbyterian Weill Cornell Medicine, New York, New York, USA
| | - Sergio W Guadix
- Department of Neurological Surgery, NewYork-Presbyterian Weill Cornell Medicine, New York, New York, USA
| | - Mark M Souweidane
- Department of Neurological Surgery, NewYork-Presbyterian Weill Cornell Medicine, New York, New York, USA.
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Roca E, Ramorino G. Brain retraction injury: systematic literature review. Neurosurg Rev 2023; 46:257. [PMID: 37773226 DOI: 10.1007/s10143-023-02160-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 09/04/2023] [Accepted: 09/16/2023] [Indexed: 10/01/2023]
Abstract
Cerebral retraction is frequently required in cranial surgery to access deep areas. Brain retractors have been systematically used in the past, but they have been associated with brain injury. Nonetheless, they are still used and, even recently, new systems have been advocated. The aim of this study is to provide a systematic and critical review of brain retraction injury. A systematic literature review was performed in February 2023 according to PRISMA statement. Search terms included brain retraction and injury, with their variations and pertinent associations. Studies reporting qualitative and quantitative data on brain retraction injury were included. Out of 1689 initially retrieved articles, 90 and 26 were included in the systematic review for qualitative and quantitative data, respectively. The definition of brain retraction injury varies and its reported incidence in clinical studies is 5-10%, up to 47% if cerebral edema is considered. Some studies have hypothesized threshold values of pressures to be respected in order to prevent complications, with most data deriving from animal studies. At present, there are no instruments for brain retraction that can guarantee full safety. Some form of cerebral retraction might always be necessary for specific scenarios. Further studies are needed to collect quantitative and, ideally, clinical and comparative data on pressure thresholds to develop retraction systems that can reduce injury to a minimum.
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Affiliation(s)
- Elena Roca
- Head and Neck Department, Neurosurgery, Istituto Ospedaliero Fondazione Poliambulanza, Via Leonida Bissolati n, °57, Brescia, Italy.
| | - Giorgio Ramorino
- Materials Science and Technology at Department of Mechanical and Industrial Engineering, University of Brescia, Brescia, Italy
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