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DOI: 10.1055/s-0042-1756459
Ultrasound-Guided In-Plane Interlaminar Lumbar Endoscopic Approach with Smartphone and Portable Light Source: Description of a New Surgical Technique
Acesso Endoscópico Interlaminar lombar em plano guiado por ultrassom com smartphone e luz portátil: descrição de uma nova técnica cirúrgica![](https://www.thieme-connect.de/media/10.1055-s-00028832/202204/lookinside/thumbnails/10-1055-s-0042-1756459_2200037-1.jpg)
Abstract
Introduction Endoscopic spine surgery enables the minimally invasive treatment of pathologies affecting the spinal cord and roots. Herein we describe an unprecedented technique Ultrasound-Guided in-plane interlaminar lumbar endoscopic approach with a smartphone and portable light source.
Methods The interlaminar approach was performed in a cadaveric specimen at L4 to 5 and L5 to S1 bilaterally. A curvilinear 2 to 5 MHz ultrasound probe was employed, the puncture was performed with the needle, a guide wire was inserted until the flavum ligament, followed by the dilator and working cannula. A 30° spinal endoscope, with an optical adapter of the endoscope camera for smartphone and portable endoscope lighting was inserted, the flavum ligament was visualized, and an opening in this site was performed with the scissors. Open dissection of the specimen was subsequently performed by identifying the puncture site in the interlaminar window.
Results The four interlaminar punctures were successfully guided by ultrasound; the opening of the ligamentum flavum was performed in the most lateral part of the interlaminar space, near the junction of the superior and inferior articular processes of the corresponding vertebrae in all the punctures.
Discussion The ultrasound makes possible to identify facets, foramina, transverse processes, and the interlaminar space. It is possible to minimize the use of radioscopy and its associated risks, both for patients and health professionals.
Conclusions The ultrasound-guided, in-plane, interlaminar, lumbar endoscopic approach with smartphone-adapted endoscope and portable light source is feasible and practical, minimizing radiation risks and making it possible to perform endoscopic spinal surgery.
Resumo
Introdução A cirurgia endoscópica da coluna possibilita o tratamento minimamente invasivo de patologias que acometem a medula espinhal e raízes. Aqui descrevemos uma técnica inédita de acesso endoscópica, interlaminar, lombar, em plano guiado por ultrassom com um smartphone e fonte de luz portátil.
Métodos A abordagem interlaminar foi realizada em espécime cadavérico em L4 a 5 e L5 a S1 bilateralmente. Foi utilizado um transdutor de ultrassom curvilíneo de 2 a 5MHz, realizada a punção com a agulha, inserido um fio guia até o ligamento amarelo, seguido do dilatador e da cânula de trabalho. O endoscópio de coluna de 30° com adaptador óptico para smartphone e iluminação portátil foi inserido, visualizando o ligamento amarelo, que foi aberto com tesoura. A dissecção aberta do espécime foi realizada posteriormente, identificando o local da punção na janela interlaminar.
Resultados As quatro punções interlaminares foram guiadas com sucesso por ultrassom; a abertura do ligamento amarelo realizada foi na parte mais lateral do espaço interlaminar, próximo à junção dos processos articulares superior e inferior das vértebras correspondentes em todas as punções.
Discussão A ultrassonografia permite identificar facetas, forames, processos transversos e o espaço interlaminar. É possível minimizar o uso da radioscopia e seus riscos associados, tanto para pacientes quanto para profissionais de saúde.
Conclusões A abordagem endoscópica, interlaminar, lombar, em plano guiada por ultrassom, com endoscópio adaptado à smartphone e fonte de luz portátil, é viável e prática, minimizando os riscos de radiação e possibilitando a realização de cirurgia endoscópica da coluna vertebral.
Declaration of Authors' Contribution
Each author contributed individually and significantly to the development of this article entitled “Ultrasound Guided Lumbar Interlaminar In-Plane Endoscopic Approach with Smartphone-Adapted Endoscope and Portable Light Source: Description of a New Surgical Technique.” Castro JPS: writing and performing the dissection; Brock RS: data analysis and performing the dissection; Teixeira MJ: review of the article; Figueiredo EG: review of the article and intellectual concept of the article.
Publikationsverlauf
Eingereicht: 30. Mai 2022
Angenommen: 22. Juni 2022
Artikel online veröffentlicht:
16. Dezember 2022
© 2022. Sociedade Brasileira de Neurocirurgia. This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commecial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/)
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