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Balancing technical innovation and competence in the age of evidence-based medicine
  1. Maxim Mokin1,
  2. Peter Kan2
  1. 1 Department of Neurosurgery and Brain Repair, University of South Florida, Tampa, Florida, USA
  2. 2 Department of Neurosurgery, The University of Texas Medical Branch at Galveston, Galveston, Texas, USA
  1. Correspondence to Dr Maxim Mokin, Neurosurgery, University of South Florida College of Medicine, Tampa, Florida, USA; mokin{at}

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“If a picture is worth a thousand words, then a video is worth a million.”

In a highly technical field such as neurointerventional surgery, the value of individual cases and small series highlighting new endovascular techniques and approaches remains important. In every case, individual patient anatomical characteristics, appropriate device selection and operator’s level of proficiency determine the technical and impact procedural success. The technical video section was launched by JNIS to illustrate new or unique techniques or treatment modalities, unusual complications or interesting developments.

The first technical video on transvenous arteriovenous malformation (AVM) embolization, presented by Dr Demetrius Lopes and his team, was released in December 2020. In the video they demonstrated a single-session embolization through a venous route, with emphasis on selection of target veins for access, guide catheter and microcatheter selection, choice of embolic agent and perioperative management.1 Since then, JNIS has published over 40 narrated technical videos on a variety of subjects including the treatment of ischemic stroke, aneurysms, AVMs, fistulas, tumors and robotic surgery. With a steady growth of submissions annually, the current acceptance rate of technical videos is approximately 30%.

JNIS technical videos have proven to be quite versatile, introducing practicing neurointerventionalists to recent developments in our multidisciplinary field, including some latest breakthrough treatments in an easy-to-follow, step-by-step, “this is how we do it” format. Several of these publications remained on the top cited list of JNIS articles, along with guidelines and randomized trial articles.

For instance, embolization of cerebrospinal fluid-venous fistulas has …

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  • Contributors Both authors contributed equally.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Provenance and peer review Commissioned; internally peer reviewed.