J Neurol Surg A Cent Eur Neurosurg 2024; 85(05): 520-525
DOI: 10.1055/a-2053-2999
Technical Note

Endoscopic Evacuation of Putaminal Hemorrhage Using the Trans-Middle Temporal Gyrus Approach: Technical Notes and Case Presentations

Authors

  • Ken Yamazaki

    1   Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
  • Toshihiro Ogiwara

    1   Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
  • Satoshi Kitamura

    1   Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
  • Yu Fujii

    1   Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
  • Daisuke Yamazaki

    1   Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
  • Haruki Kuwabara

    1   Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
  • Kohei Funato

    1   Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
  • Yoshiki Hanaoka

    1   Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
  • Tetsuyoshi Horiuchi

    1   Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan
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Abstract

Background The development of minimally invasive endoscopic neurosurgery has enabled widespread application of endoscopic surgery via the ipsilateral transfrontal approach for putaminal hematoma evacuation. However, this approach is unsuitable for putaminal hematomas that extend into the temporal lobe. We adopted the endoscopic trans-middle temporal gyrus approach, instead of the conventional surgical approach, for the management of these complicated cases and determined its safety and feasibility.

Methods Twenty patients with putaminal hemorrhage underwent surgical treatment at the Shinshu University Hospital between January 2016 and May 2021. Of these, two patients with left putaminal hemorrhage that extended into the temporal lobe underwent surgical treatment using the endoscopic trans-middle temporal gyrus approach. The procedure entailed the use of a thinner transparent sheath to reduce the technique's invasiveness, a navigation system to determine the location of the middle temporal gyrus and the sheath's trajectory, and an endoscope with a 4K camera for higher image quality and utility. The sylvian fissure was compressed superiorly using our novel “port retraction technique” (i.e., by tilting the transparent sheath superiorly) to avoid damage to the middle cerebral artery and Wernicke's area.

Results The endoscopic trans-middle temporal gyrus approach allowed sufficient hematoma evacuation and hemostasis under endoscopic observation without any surgical complexities or complications. The postoperative course was uneventful in both patients.

Conclusion The endoscopic trans-middle temporal gyrus approach for putaminal hematoma evacuation helps avoid damage to normal brain tissue, which could result from the wide range of motion of the conventional technique, particularly when the hemorrhage extends to the temporal lobe.



Publikationsverlauf

Eingereicht: 22. Juni 2022

Angenommen: 19. März 2023

Accepted Manuscript online:
13. März 2023

Artikel online veröffentlicht:
15. April 2024

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