Table 3.
Overview of insular SEEG literature regarding vascular imaging reference and vascular complications.
| Epilepsy center/study period | Number of patients | Vascular imaging reference | Method | Insular trajectory | Direct vascular related complicationa |
|---|---|---|---|---|---|
| Grenoble (France) | |||||
| Afif et al. (30) 1998–2005 | 30 | Angiography | Frame-based Robot-assisted | Oblique | One major bleeding after electrode removal not related to insula |
| Blauwblomme et al. (53) 2001–2010 | 17 | Angiography | Frame-based Robot-assisted | Orthogonal Oblique | No vascular complications |
| Gras-Combes et al. (54) 2009–2013 | 6 | Angiography Angiography | Frame-based Robot-assisted Frameless robot-assisted | Orthogonal Oblique | No vascular complications |
| Abel et al. (36) 2013–2017 < 2013 | 17 18 | Angiography Angiography | Frameless Robot-assisted vs. Frame-based robot-assisted | Orthogonal Oblique | 4 minor bleedings not related to insula 2 minor bleeding not related to insula |
| Lyon (France) | |||||
| Isnard et al. (12) 1996–2001 | 50 | Angiography | Conventional Frame-based | Orthogonal | NR |
| Bourdillon et al. (55) 1995–2015 | 459 | Angiography | Conventional Frame-based and Frame-based robot-assisted | Orthogonal | 7 major bleedings not related to insula with conventional frame-based method (1 death) |
| Bourdillon et al. (32) 2012–2015 | 100 | Angiography with O-arm | Conventional frame-based method and Frame-based robot-assisted | Orthogonal | No vascular complications |
| Fondation Rotschild, Paris (France) | |||||
| Dorfmüller et al. (56) Dylgjeri et al. (57) 2009–2012 | 19 10 | MRI Gado | Frameless robot-assisted | Orthogonal Oblique | No vascular complications |
| Pitié-Salpétrière, Paris (France) | |||||
| Mathon et al. (58) 1991–2014 | 157 | MRI Gado (+ TOF Gado) | Conventional Frame-based | NR | 2 minor bleedings 3 major bleedings Not related to insula 1 stroke of the insula (temporal electrode insertion) |
| Montpellier (France) | |||||
| Gil Robles et al. (28) < 2009 | 9 | MRI Gado | Conventional Frame-based | Parasagittal posterior | No vascular complications |
| Strasbourg (France) | |||||
| Ollivier et al. 62 2010–2016 | 66 | MRI Gado | Frameless Robot-assisted | Oblique | 8 minor bleedings 1 major bleeding (Not specified if insular trajectory involved) |
| Nancy (France) | |||||
| Salado et al. (29) 2008–2016 | 99 | MRI Gado (double injection) | Conventional frame-based | Orthogonal (97.3%) Oblique (2.7%) | 6 minor bleedings 1 major bleeding (Not related to insula) |
| Rouen (France) | |||||
| Gilard et al. (48) <2016 | 10 | CTA | Conventional frame-based | NR | No vascular complications |
| Milan (Italy) | |||||
| Cardinale et al. (59) 1996–2018 | 713 | Angiography (+/- with O-arm) | Conventional frame-based Frame-based robot-assisted Frameless robot-assisted since 2016 | NR | 5 major bleedings with conventional frame-based method. 0 major bleeding with robot (Not specified if insular trajectory involved) |
| Roma (Italy) | |||||
| De Benedictis et al. (43) 2011–2016 | 116 | MRI Gado | Frameless robot-assisted | NR | No vascular complications |
| Barcelona (Spain) | |||||
| Candela-Canto et al. (39) 2016–2018 | 14 | CTA (bi-phasic injection) | Frameless robot-assisted | NR | 1 major bleeding not related to insula |
| Vienna (Austria) | |||||
| Desai et al. (25) 2014–2015 | 16 | MRI Gado | Frameless robot-assisted | Oblique | No vascular complications |
| Frankfurt (Germany) | |||||
| Spyrantis et al. (35) 2012–2018 | 19 | MRI Gado | Frameless robot-assisted | NR | No vascular complications |
| Sofia (Bulgary) | |||||
| Minkin et al. (60) 2013-2015 | 34 | MRI Gado (double injection) and MRA | Conventional Frame-based | Orthogonal (75%) Oblique (25%) | 1 minor bleeding |
| Amsterdam (The Netherlands) | |||||
| Verburg et al. (49) | 7 | MRI Gado | Frameless Neuronavigation | NR | 1 major bleeding after electrode removal (Not specified if insular trajectory involved) |
| Maastricht (The Netherlands) | |||||
| van der Loo et al. (50) 2008–2016 | 71 | MRI Gado | Conventional Frame-based | Orthogonal Oblique | 2 major bleedings 4 minor bleedings |
| Great ormond street hospital, London (UK) | |||||
| Sharma et al. (44) 2014–2017 | 14 6 | CTA | Frame-based robot-assisted Frameless Neuronavigation | NR | No vascular complications |
| National hospital for neurology and neurosurgery, London (UK) | |||||
| Nowell et al. (47) <2014 | 22 | CTA and 3D phase contrast MRI | Frameless Neuronavigation | Oblique | 1 minor bleeding (Not specified if insular trajectory involved) |
| London (Canada) | |||||
| Bottan et al. (31) 2017-2018 | 41 | MRI Gado (double injection) | Frame-based robot-assisted | Orthogonal (15.3%) Oblique (82.7%) Parasagittal (2%) | No vascular complications |
| Cleveland (USA) | |||||
| McGovern et al. (61) 2009–2017 | 526 | Angiography MRI Gado alone or + CTA | Conventional frame-based method and frame-based robot-assisted and frameless robot-assisted since 2013 | Orthogonal Oblique | 93 minor bleedingsb 12 major bleedings (9 transient deficit 2 permanent deficits 1 death) |
| Alomar et al. (62) 2009–2013 | 135 with insular trajectories | Angiography (27 patients) MRI Gado + CTA (108 patients) | Conventional frame-based method (27) Frameless robot-assisted (108) | Orthogonal (88.5%) Oblique (11.5%) | 1 minor bleeding not related to insula |
| Lebanon (USA) | |||||
| Desai et al. (27) 2001–2009 | 20 | MRI Gado | Conventional frame-based method | Frontal oblique | No vascular complications |
| Saint Louis (USA) | |||||
| Miller et al. (63) 2016 | 11 | CTA | Frameless robot-assisted | NR | 1 minor bleeding |
| Munt Sinaï; New York (USA) | |||||
| Iordanou et al. (45) <2018 | 25 | MRI Gado | Frameless robot-assisted | Orthogonal Oblique | No vascular complications reported |
CTA, Computed tomographic angiography; Gado, Gadolinium; MRI, Magnetic resonance imaging; NR, Not reported; TOF, Time of flight.
Major bleeding refer to potential fatal or permanent sequelae bleeding or the need for surgical removal.
The authors described all form of bleedings including subarachnoid minimal bleedings always excluded from other reports.