Neuroendoscopic hematoma removal with a small craniotomy for acute subdural hematoma

Shinya Ichimura, Kento Takahara, Masato Nakaya, Keisuke Yoshida, Yoichi Mochizuki, Masahito Fukuchi, Koji Fujii

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)


The present study evaluated the safety and effectiveness of neuroendoscopic hematoma removal with a small craniotomy for the treatment of acute subdural hematoma (ASDH). Five patients (4 men and 1 woman) with ASDH underwent neuroendoscopic surgery with a small-size craniotomy between October 2016 and June 2018. The mean age was 87.4 years (range, 82–94). The eligibility criteria were as follows: 1) the presence of symptoms; 2) no moderate or massive brain contusion or edema; and 3) inability to use a large craniotomy because of poor general condition or absence of an anesthesiologist. After performing the small craniotomy, a 4-mm rigid endoscope was inserted and the hematoma was evacuated. Endoscopic surgery was performed under general or local anesthesia. The bleeding origin was a cortical artery in 2 cases, a bridging vein in 2 cases, and unknown in 1 case. The hematoma was completely removed without re-bleeding and the procedure was lifesaving in all cases. Three patients were discharged with independent gait following rehabilitation whereas 2 patients died due to causes unrelated to ASDH. Despite some surgical limitations, neuroendoscopic hematoma evacuation of ASDH is a safe and effective method that minimizes operative complications in some cases. Small craniotomy was sufficient for inserting and maneuvering ordinal neurosurgical instruments. This technique should be considered carefully before surgery in cases of ASDH.

Original languageEnglish
Pages (from-to)311-314
Number of pages4
JournalJournal of Clinical Neuroscience
Publication statusPublished - 2019 Mar
Externally publishedYes


  • Acute subdural hematoma
  • Neuroendoscopy
  • Small craniotomy

ASJC Scopus subject areas

  • Surgery
  • Neurology
  • Clinical Neurology
  • Physiology (medical)


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