Faculty Information - Naoki Oyama

（Last updated : 2026-05-14 20:03:50）

Naoki Oyama
Department Kawasaki Medical School Kawasaki Medical School, Department of Stroke Medicine,

Position Associate Professor

■ Journal Articles

1.	2025	Prevalence of JAK2 V617F Mutation in Patients with Non-Cardioembolic Stroke.
2.	2024/09/25	Incidental finding of aberrant left common carotid artery during intracerebral hemorrhage examination.
3.	2024/07	Impact of the COVID-19 Pandemic on Acute Stroke Rehabilitation in Japanese Primary Stroke Centers: A Nationwide Cross-Sectional Study Using a Web-based Questionnaire Survey.
4.	2024/04/24	Evidence and recommendations for acute stroke rehabilitation from the Japan Stroke Society: abridged secondary publication Progress in Rehabilitation Medicine.
5.	2024/04/15	Temporal Changes in Cerebral Blood Flow During Migraine with Aura of Alternating Left and Right Homonymous Hemianopsia.
6.	2024	Frequency of comorbidities and risk factors in acute stroke rehabilitation: multi-institutional registry study
7.	2023/10/15	Association between carotid bifurcation angle and vulnerable plaque volume using black blood magnetic resonance imaging.
8.	2023/07/03	Timing of initiation of acute stroke rehabilitation and management corresponding to complications at primary stroke centers in Japan: a nationwide cross-sectional web-based questionnaire survey
9.	2023/06/21	JAK2 V617F Mutation and Large Cerebral Artery Disease in Patients with Myeloproliferative Neoplasms
10.	2023	Current status of acute stroke rehabilitation at primary stroke centers in Japan: a nationwide cross-sectional web-based questionnaire survey
11.	2022/12/14	Prokaryotic and viral genomes recovered from 787 Japanese gut metagenomes revealed microbial features linked to diets, populations, and diseases.
12.	2022/05	Short-term or long-term outcomes for stroke patients with cancer according to biological markers
13.	2022/04	Clinical characteristics and tumor markers in ischemic stroke patients with active cancer
14.	2022/03/01	An older thrombus delays reperfusion after mechanical thrombectomy for ischemic stroke.
15.	2021/08/20	Effectiveness of transvenous aspiration thrombectomy for cerebral venous sinus thrombosis: a report of three cases.
16.	2021/08/16	Predicting hemorrhagic transformation after large vessel occlusion stroke in the era of mechanical thrombectomy.
17.	2021/03/01	Emergent stenting after intravenous thrombolysis for isolated basilar artery dissection in a patient with acute ischemic stroke: a case report.
18.	2021/02/15	Comparison of single and dual monitoring during carotid endarterectomy.
19.	2020/11/28	Increased plasma plasmin-alpha2-plasmin inhibitor complex levels correlate with postoperative rebleeding after endoscopic surgery for spontaneous intracerebral hemorrhage.
20.	2020/08/15	Diagnosis and operative management of carotid endarterectomy in patients with twisted carotid bifurcation.
21.	2020/05/25	Two cases of symptomatic, radiation-induced carotid stenosis diagnosed and followed-up using contrast-enhanced ultrasonography and volume isotropic turbo spin-echo acquisition
22.	2020/02/01	Prestroke conditions of acute ischemic stroke patients are associated with functional outcome after mechanical thrombectomy.
23.	2020	Total small vessel disease score and functional outcomes following acute intracerebral hemorrhage.
24.	2019/09	Factors associated with unsuccessful recanalization in mechanical thrombectomy for acute ischemic stroke.
25.	2019/07	Does noncontrast computed tomography scan predict rebleeding after endoscopic surgery for spontaneous intracerebral hemorrhage?
26.	2019/06/01	Spontaneous dissection of both vertebral arteries diagnosed with three-dimensional T1-weighted image.
27.	2019/05	A case of cerebral infarction in a patient with TAFRO syndrome
28.	2018/11/19	Exploratory Investigation of Intestinal Function and Bacterial Translocation After Focal Cerebral Ischemia in the Mouse
29.	2017/06	Recurrent stroke due to metastatic pulmonary tumor emboli as an important clinical entity.
30.	2017/02	Diagnostic utility of contrast-enhanced 3D T1-weighted imaging in acute cerebral infarction associated with Graves disease.
31.	2016/05	Depletion of cultivatable gut microbiota by broad-spectrum antibiotic pretreatment worsens outcome after murine stroke.
32.	2015/04	Chronic elevation of tumor necrosis factor-alfa mediates the impairment of leptomeningeal arteriogenesis in db/db mice.
33.	2014/04	Granulocyte colony-stimulating factor fails to enhance leptomeningeal collateral growth in spontaneously hypertensive rats.
34.	2013/07	Functional deterioration of endothelial nitric oxide synthase after focal cerebral ischemia.
35.	2013/03	Estimation of stroke etiology from lesion patterns on diffusion-weighted magnetic resonance imaging in patients with carotid artery occlusive disease.
36.	2012/11	Air tract in the thrombus: paradoxical cerebral air embolism through a residual catheter track.
37.	2012/04	High plasma d-dimer is a marker of deep vein thrombosis in acute stroke.
38.	2011/07	Cilostazol, not aspirin, reduces ischemic brain injury via endothelial protection in spontaneously hypertensive rats.
39.	2011/05	Granulocyte colony-stimulating factor enhances arteriogenesis and ameliorates cerebral damage in a mouse model of ischemic stroke.
40.	2011/01	Hypertension impairs leptomeningeal collateral growth after common carotid artery occlusion: restoration by antihypertensive treatment.
41.	2011/01	SIK2 is a key regulator for neuronal survival after ischemia via TORC1-CREB.
42.	2010/08	Activation of NR2A receptors induces ischemic tolerance through CREB signaling.
43.	2010/06	An angiotensin II type 1 receptor blocker can preserve endothelial function and attenuate brain ischemic damage in spontaneously hypertensive rats.
44.	2009/05	Postischemic administration of angiotensin II type 1 receptor blocker reduces cerebral infarction size in hypertensive rats.
45.	2008/06	Granulocyte-macrophage colony-stimulating factor enhances leptomeningeal collateral growth induced by common carotid artery occlusion.
46.	2007/11	Postischemic administration of HMG CoA reductase inhibitor inhibits infarct expansion after transient middle cerebral artery occlusion.
47.	2007/02	Association between signal hyperintensity on T1-weighted MR imaging of carotid plaques and ipsilateral ischemic events.
Display 5 items
Display all(47)

■ Presentations

1.	2021/09/01	Do serum biomarkers predict hemorrhagic transformation after large vessel occlusion stroke in the era of mechanical thrombectomy? （Speech，General）
2.	2020/08/23	Thrombectomy for ICA terminus, M1 proximal and M1 distal artery occlusion （Speech，General）
3.	2019/03/22	Association of blend sign with postoperative rebleedings after removing intr acerebral hemorrhage （Speech）
4.	2019/03/21	Endovascular treatment for the patients with IC/MC tandem occlusion -benefit of CAS first （Speech，General）
5.	2018/10/11	Analysis of endovascular thrombectomy for the patients with ICA terminus occlusion - Comparison with other segments of ICA occlusion （General）
6.	2018/03/15	Analysis of endovascular thrombectomy for large vessel occlusion due to cardiogenic, paradoxical and iatrogenic embolism （Speech，General）
7.	2017/09/16	Remarkable effect of a phosphodiesterase-3 inhibitor, milrinone in a reversible cerebral vasoconstriction syndrome patient with ischemic stroke: a case report （Poster notice，General）
8.	2015/03/31	Intestinal function and bacterial translocation after cerebral ischemia in mice （Poster notice，General）
9.	2011/02/09	Cilostazol but not aspirin can maintain cerebrovascular function in spontaneously hypertensive rats （Speech，General）
10.	2009/06/29	Olmesartan can maintain normal function of endothelial nitric oxide synthase in the brain microvessels in spontaneously hypertensive rats （Poster notice，General）
11.	2006/02/16	Diagnosis of the symptomatic carotid plaques with T1-weighted magnetic resonance imaging and ultrasonography （Speech，General）
Display 5 items
Display all(11)