S2-AI screw placement with the aide of electronic conductivity device monitoring: a retrospective analysis.

MedStar author(s):
Citation: European Spine Journal. 26(11):2941-2950, 2017 Nov.PMID: 28766018Institution: MedStar Washington Hospital CenterDepartment: NeurosurgeryForm of publication: Journal ArticleMedline article type(s): Journal ArticleSubject headings: *Electric Conductivity | *Ilium/su [Surgery] | *Monitoring, Intraoperative/mt [Methods] | *Pedicle Screws | *Sacrum/su [Surgery] | *Spinal Fusion/mt [Methods] | Humans | Retrospective StudiesYear: 2017ISSN:
  • 0940-6719
Name of journal: European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research SocietyAbstract: CONCLUSION: To the authors' knowledge, this is the first reported literature combining S2-AI screws with electronic conductivity for immediate intraoperative feedback. This technique has the opportunity to provide surgeons with increased accuracy for placement of S2-AI screws while improving overall radiation safety. This feedback can be particularly helpful when surgeons are learning new techniques such as placement of S2AI screws.METHODS: Two patients were treated by the senior author (FAS) who underwent surgery employing S2-AI fixation utilizing an electronic conductivity device (Pediguard cannulated probe, Spineguard, Paris, France). The surgical technique, case illustrations, and radiographic outcomes are discussed.OBJECTIVE: A report of a novel surgical technique utilizing an electronic conductivity device guidance to aide placement of S2-Alar-Iliac (S2-AI) instrumentation. Electronic conductivity guidance for instrumentation of the thoracolumbar spine is an accepted means of improving intraoperative accuracy. Although commercially available for percutaneous techniques, there is a paucity of literature regarding its use. Percutaneous implantation of S2-AI screws has been previously described as another technique surgeons can avail, primarily employing fluoroscopy as a means of intraoperative feedback. We describe a novel technique that utilizes electronic conductivity as an added feedback measure to increase accuracy of percutaneous S2-AI fixation.RESULTS: Stable and accurate fixation was attained in both patients. There were no peri-operative complications related to hardware placement.STUDY DESIGN: A retrospective analysis of two consecutive patients who underwent a novel surgical technique.All authors: Felbaum DR, McGowan JE, Mueller KB, Sandhu FA, Syed HRFiscal year: FY2018Digital Object Identifier: Date added to catalog: 2017-08-04
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Journal Article MedStar Authors Catalog Article 28766018 Available 28766018

CONCLUSION: To the authors' knowledge, this is the first reported literature combining S2-AI screws with electronic conductivity for immediate intraoperative feedback. This technique has the opportunity to provide surgeons with increased accuracy for placement of S2-AI screws while improving overall radiation safety. This feedback can be particularly helpful when surgeons are learning new techniques such as placement of S2AI screws.

METHODS: Two patients were treated by the senior author (FAS) who underwent surgery employing S2-AI fixation utilizing an electronic conductivity device (Pediguard cannulated probe, Spineguard, Paris, France). The surgical technique, case illustrations, and radiographic outcomes are discussed.

OBJECTIVE: A report of a novel surgical technique utilizing an electronic conductivity device guidance to aide placement of S2-Alar-Iliac (S2-AI) instrumentation. Electronic conductivity guidance for instrumentation of the thoracolumbar spine is an accepted means of improving intraoperative accuracy. Although commercially available for percutaneous techniques, there is a paucity of literature regarding its use. Percutaneous implantation of S2-AI screws has been previously described as another technique surgeons can avail, primarily employing fluoroscopy as a means of intraoperative feedback. We describe a novel technique that utilizes electronic conductivity as an added feedback measure to increase accuracy of percutaneous S2-AI fixation.

RESULTS: Stable and accurate fixation was attained in both patients. There were no peri-operative complications related to hardware placement.

STUDY DESIGN: A retrospective analysis of two consecutive patients who underwent a novel surgical technique.

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