Koyama JI - Search Results

1

A new very-small-bore Simmons guiding sheath for transradial neurointervention: Technical note and initial experience.

Hanaoka Y, Abe D, Koyama JI, Nakamura T, Kitamura S, Horiuchi T. Hanaoka Y, et al. Among authors: koyama ji. J Neuroradiol. 2024 Mar;51(2):214-219. doi: 10.1016/j.neurad.2023.08.004. Epub 2023 Aug 23. J Neuroradiol. 2024. PMID: 37625629

2

Radiometric analysis of paraclinoid carotid artery aneurysms.

Tanaka Y, Hongo K, Tada T, Nagashima H, Horiuchi T, Goto T, Koyama J, Kobayashi S. Tanaka Y, et al. J Neurosurg. 2002 Apr;96(4):649-53. doi: 10.3171/jns.2002.96.4.0649. J Neurosurg. 2002. PMID: 11990802

3

A reverse-action clip applier for aneurysm surgery.

Sato A, Koyama J, Hanaoka Y, Hongo K. Sato A, et al. Neurosurgery. 2015 Jun;11 Suppl 2:230-2; discussion 233-4. doi: 10.1227/NEU.0000000000000725. Neurosurgery. 2015. PMID: 25774701

4

A new threshold of apparent diffusion coefficient values in white matter after successful tissue plasminogen activator treatment for acute brain ischemia.

Sato A, Shimizu Y, Koyama J, Hongo K. Sato A, et al. J Neuroradiol. 2017 Jun;44(3):223-226. doi: 10.1016/j.neurad.2016.12.003. Epub 2017 Feb 8. J Neuroradiol. 2017. PMID: 28187865

5

Calcified ectopic TSH-secreting pituitary adenoma mimicking craniopharyngioma: a rare case report and literature review.

Hanaoka Y, Ogiwara T, Kakizawa Y, Nagm A, Seguchi T, Aoyama T, Koyama JI, Sato A, Hongo K. Hanaoka Y, et al. Among authors: koyama ji. Acta Neurochir (Wien). 2018 Oct;160(10):2001-2005. doi: 10.1007/s00701-018-3638-1. Epub 2018 Jul 26. Acta Neurochir (Wien). 2018. PMID: 30051157 Review.

6

Wrap-clipping as a rescue surgical technique for vessel perforation due to stent strut: a technical note.

Horiuchi T, Kiuchi T, Koyama JI, Hanaoka Y, Ito K, Hongo K. Horiuchi T, et al. Among authors: koyama ji. Acta Neurochir (Wien). 2018 Oct;160(10):1955-1959. doi: 10.1007/s00701-018-3629-2. Epub 2018 Jul 27. Acta Neurochir (Wien). 2018. PMID: 30054727

7

Usefulness of a Novel Technique to Make Up for a Deficiency in Transradial Neurointervention with a 6Fr Simmonds Guiding Sheath: Original Experience with the Subclavian Artery Anchoring Technique.

Hanaoka Y, Koyama JI, Ogiwara T, Miyaoka Y, Fujii Y, Nakamura T, Horiuchi T, Hongo K. Hanaoka Y, et al. Among authors: koyama ji. World Neurosurg. 2019 Nov;131:e362-e370. doi: 10.1016/j.wneu.2019.07.162. Epub 2019 Jul 27. World Neurosurg. 2019. PMID: 31362101

8

Endoscopic Endonasal Odontoidectomy in the Hybrid Operating Room.

Ogiwara T, Miyaoka Y, Nakamura T, Tsukada K, Yamazaki D, Ito K, Hanaoka Y, Koyama JI, Horiuchi T, Hongo K. Ogiwara T, et al. Among authors: koyama ji. World Neurosurg. 2019 Nov;131:137-140. doi: 10.1016/j.wneu.2019.07.197. Epub 2019 Aug 2. World Neurosurg. 2019. PMID: 31382069

9

Transradial Approach as the Primary Vascular Access with a 6-Fr Simmons Guiding Sheath for Anterior Circulation Interventions: A Single-Center Case Series of 130 Consecutive Patients.

Hanaoka Y, Koyama JI, Yamazaki D, Miyaoka Y, Fujii Y, Nakamura T, Ogiwara T, Ito K, Horiuchi T. Hanaoka Y, et al. Among authors: koyama ji. World Neurosurg. 2020 Jun;138:e597-e606. doi: 10.1016/j.wneu.2020.03.003. Epub 2020 Mar 9. World Neurosurg. 2020. PMID: 32165342

10

Passability and Impassability of Microcatheters Through the Neuroform Atlas Stent During the Trans-cell Approach: An Experimental Evaluation.

Hanaoka Y, Koyama JI, Yamazaki D, Ogiwara T, Ito K, Horiuchi T. Hanaoka Y, et al. Among authors: koyama ji. World Neurosurg. 2020 Sep;141:e474-e483. doi: 10.1016/j.wneu.2020.05.215. Epub 2020 Jun 2. World Neurosurg. 2020. PMID: 32502626

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