User profiles for M. Shojima

Masaaki SHOJIMA

Saitama Medical University
Verified email at umin.ac.jp
Cited by 2504

Magnitude and role of wall shear stress on cerebral aneurysm: computational fluid dynamic study of 20 middle cerebral artery aneurysms

M Shojima, M Oshima, K Takagi, R Torii, M Hayakawa… - Stroke, 2004 - Am Heart Assoc
… ±6.21 N/m 2 , which was 4-times higher than the average WSS in the vessel region (3.64±1.25
N/m 2 ). The average WSS of the aneurysm region (1.64±1.16 N/m 2 ) was significantly …

Role of the bloodstream impacting force and the local pressure elevation in the rupture of cerebral aneurysms

M Shojima, M Oshima, K Takagi, R Torii, K Nagata… - Stroke, 2005 - Am Heart Assoc
… with a specific gravity of 1053 kg/m 3 and a viscosity of 4.0×10 −3 N/m 2 per second. The …
with transcranial Doppler measurement (0.61 m/s at peak systole, 0.24 m/s at end diastole, and …

[HTML][HTML] Real-world variability in the prediction of intracranial aneurysm wall shear stress: the 2015 international aneurysm CFD challenge

…, S Broderick, M Shojima, S Koizumi, M Barbour… - Cardiovascular …, 2018 - Springer
Purpose Image-based computational fluid dynamics (CFD) is widely used to predict intracranial
aneurysm wall shear stress (WSS), particularly with the goal of improving rupture risk …

Multiple aneurysms anatomy challenge 2018 (MATCH): phase I: segmentation

…, H Meng, S Seshadhri, M Howard, M Shojima… - Cardiovascular …, 2018 - Springer
Purpose Advanced morphology analysis and image-based hemodynamic simulations are
increasingly used to assess the rupture risk of intracranial aneurysms (IAs). However, the …

A new strategic neurosurgical planning tool for brainstem cavernous malformations using interactive computer graphics with multimodal fusion images

T Kin, H Nakatomi, M Shojima, M Tanaka, K Ino… - Journal of …, 2012 - thejns.org
Object In this study, the authors used preoperative simulation employing 3D computer
graphics (interactive computer graphics) to fuse all imaging data for brainstem cavernous …

Multiple Aneurysms AnaTomy CHallenge 2018 (MATCH)—phase II: rupture risk assessment

…, H Meng, S Seshadhri, S Venguru, M Shojima… - International journal of …, 2019 - Springer
Purpose Assessing the rupture probability of intracranial aneurysms (IAs) remains
challenging. Therefore, hemodynamic simulations are increasingly applied toward supporting …

Protected endovascular revascularization of subacute and chronic total occlusion of the internal carotid artery

M Shojima, S Nemoto, A Morita… - American Journal …, 2010 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: The natural course of symptomatic carotid artery occlusion
with hemodynamic impairment is poor. Surgical revascularization may improve the outcome…

[HTML][HTML] Efficacy of a novel augmented reality navigation system using 3D computer graphic modeling in endoscopic transsphenoidal surgery for sellar and parasellar …

…, F Higuchi, T Uno, M Shojima, T Kin, M Shin - Cancers, 2023 - mdpi.com
Simple Summary In endoscopic transsphenoidal skull base surgery, it is often difficult to
accurately determine the location of a tumor and its surroundings on imaging because the lesion …

Role of Gamma Knife surgery in the treatment of intracranial dural arteriovenous fistulas

S Hanakita, T Koga, M Shin, M Shojima, H Igaki… - Journal of …, 2012 - thejns.org
Object The goal of this study was to assess the efficacy of Gamma Knife surgery (GKS) in
the management of dural arteriovenous fistulas (dAVFs). Methods The authors performed a …

Size is the most important predictor of aneurysm rupture among multiple cerebral aneurysms: post hoc subgroup analysis of unruptured cerebral aneurysm study …

M Shojima, A Morita, H Nakatomi, S Tominari - Neurosurgery, 2018 - journals.lww.com
BACKGROUND Multiple cerebral aneurysms are encountered in approximately 15% to 35%
of patients harboring unruptured cerebral aneurysms. It would be of clinical value to …