Masayuki Sato

ORCID: 0000-0002-0896-706X
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About
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Research Areas
  • Cardiovascular Function and Risk Factors
  • Heart Failure Treatment and Management
  • Acute Ischemic Stroke Management
  • Cerebrovascular and Carotid Artery Diseases
  • Intracranial Aneurysms: Treatment and Complications
  • Cardiac Imaging and Diagnostics
  • Atrial Fibrillation Management and Outcomes
  • Stroke Rehabilitation and Recovery
  • Clinical Nutrition and Gastroenterology
  • Mercury impact and mitigation studies
  • Traumatic Brain Injury and Neurovascular Disturbances
  • Gastrointestinal disorders and treatments
  • Melamine detection and toxicity
  • Case Reports on Hematomas
  • Sepsis Diagnosis and Treatment
  • Vascular Procedures and Complications
  • Polyamine Metabolism and Applications
  • Heme Oxygenase-1 and Carbon Monoxide
  • Gastrointestinal Bleeding Diagnosis and Treatment
  • Moyamoya disease diagnosis and treatment
  • Chronic Kidney Disease and Diabetes
  • Gout, Hyperuricemia, Uric Acid
  • High Altitude and Hypoxia
  • Medical Imaging and Pathology Studies
  • Head and Neck Surgical Oncology

University of Tsukuba
2004-2024

Tokyo Metropolitan Tama Medical Center
2023

Senshu University
2023

Seirei Hamamatsu General Hospital
2019-2021

Tohoku University
1959-2020

Meikai University
2020

Asahikawa Kosei Hospital
2019

Toranomon Hospital
2013-2018

Yokohama City University
2018

Nayoro City General Hospital
2015-2018

Results obtained using a pulsed-streamer corona discharge for organic compound removal are reported in this investigation. The of phenol and the effects various parameters on efficiency were studied. intermediate products final byproducts also It was found that contaminants aqueous solution could be destroyed effectively by greatly influenced gas injection (bubbling). In addition, preliminary study reaction mechanism performed. Byproducts determined removal. main produced pulsed-voltage...

10.1088/0022-3727/32/15/319 article EN Journal of Physics D Applied Physics 1999-07-26

Objective- Secondary prevention for recurrent myocardial infarction (MI) is one of the most important therapeutic goals in patients with old MI (OMI). Although statins are widely used this purpose, there remains considerable residual risk even after LDL (low-density lipoprotein cholesterol) well controlled by statins. Approach and Results- We examined clinical impacts nHDL (nonhigh-density its major components triglyceride as risks acute recurrence, using database our CHART (Chronic Heart...

10.1161/atvbaha.119.312336 article EN Arteriosclerosis Thrombosis and Vascular Biology 2019-03-14

The prognostic impact of atrial fibrillation (AF) among patients at high risk for heart failure (HF) remains unclear. In addition, there is no estimation model AF development in these patients.Methods and Results:The present study included 5,382 consecutive HF enrolled the CHART-2 Study (n=10,219). At enrollment, 1,217 (22.6%) had AF, were characterized, as compared with non-AF patients, by higher age, lower estimated glomerular filtration rate, B-type natriuretic peptide (BNP) level left...

10.1253/circj.cj-16-0759 article EN Circulation Journal 2017-01-01

Combined renal dysfunction worsens the subsequent prognosis in patients after acute myocardial infarction (AMI). Therefore, establishing a therapeutic modality to maintain or improve function AMI is necessary. This study aimed elucidate association between physical activity level and change such patients.Prospective observational study.We enrolled 41 (35 men; average age, 67.5 ± 12.6 years) onset. Blood biochemistry, urinalysis, tests were conducted at discharge 3 months discharge. Renal was...

10.1371/journal.pone.0212100 article EN cc-by PLoS ONE 2019-02-19

Characterization of vessels distal from occluded site is important when considering endovascular revascularization therapy (EVT) for acute ischemic stroke. The goal this study was to assess the clinical value intra-arterial contrasted high-resolution cone-beam computed tomography ascending aorta (Ao-CBCT) visualization site. Acute stroke patients with large vessel occlusion who were undergo EVT evaluated. In EVT, digital subtraction angiography (DSA) and Ao-CBCT performed local anesthesia....

10.2176/nmc.tn.2016-0291 article EN cc-by-nc-nd Neurologia medico-chirurgica 2017-01-01

Pediatric intussusception is usually idiopathic in origin, and a pathological lesion at the leadpoint identified only small proportion of cases. Meckel's diverticulum most common location when such found. Heterotopic pancreas has been seen frequently stomach or duodenum; however, ileal lesions are rare. In ileum, heterotopic associated with may cause intestinal obstruction by intussusception. However, isolated ileum distinctly rare discovered incidentally during surgery for other conditions....

10.1055/s-2008-1072357 article EN European Journal of Pediatric Surgery 2000-06-01

Abstract Aims Prognostic impacts of serum uric acid (UA) levels in patients with chronic heart failure (CHF) remain inconclusive, especially for the whole range UA levels. Methods and results In Chronic Heart Failure Registry Analysis Tohoku District‐2 (CHART‐2) study, we enrolled 4652 consecutive CHF classified them into four groups based on baseline by Classification Regression Tree: G1 (<3.8 mg/dL, N = 313), G2 (3.8–7.1 3070), G3 (7.2–9.2 1018), G4 (>9.2 251). Mean age was 71 ± 12,...

10.1002/ehf2.12765 article EN cc-by-nc ESC Heart Failure 2020-12-30

Embolic stroke is not a rare complication of cerebral angiography. The risk factors for incidental embolism after angiography were retrospectively examined using diffusion-weighted magnetic resonance imaging (DWI) in 180 patients who underwent 247 procedures, consisting 174 diagnostic and 73 interventional including DWI within 72 hours two neuroradiologists our hospital detected as high-intensity lesions (HIL) on DWI. relationships between HIL procedural evaluated. revealed related to the...

10.2176/nmc.53.381 article EN cc-by-nc-nd Neurologia medico-chirurgica 2013-01-01

Abstract BACKGROUND Endovascular surgery for vertebral artery dissections (VADs) carries the risk of spinal cord infarction (SCI). Although SCI in region anterior (ASA) has been reported, posterior (PSA) is rare. OBJECTIVE To investigate PSA after endovascular VAD. METHODS Infarction VADs carried out consecutive 21 cases was investigated. The variables aneurysmal location, status, intra-aneurysmal thrombosis, antithrombotic therapy, and procedure were investigated relation to occurrence or...

10.1093/ons/opy026 article EN Operative Neurosurgery 2018-03-09

Since most of the randomized clinical trials for heart failure (HF) were designed to exclude elderly patients, limited data are available on their characteristics, prognosis, and prognostic factors.

10.1016/j.ijcha.2020.100497 article EN cc-by-nc-nd IJC Heart & Vasculature 2020-03-20

Electromyography (EMG) biofeedback (BF) training is potentially an effective cognitive-behavioural approach to regulate bruxism.This study examined sleep bruxism regulation by daytime clenching control using a single-channel auditory EMG BF device.Seventeen male subjects (mean age, 24.4 ± 3.1 years; mean SD) with self-reported awake/sleep were recruited and divided into (n = 10) (CO) group 7). All underwent four recording sessions during both over 3 weeks. During the daytime, in week 2,...

10.1111/joor.12979 article EN Journal of Oral Rehabilitation 2020-04-24

The purpose of this study was to investigate the dose distribution and lens doses associated with C-arm cone-beam computed tomography (CBCT), using a head phantom, estimate contribution ratio CBCT each patient's during interventional neuroradiology ('lens ratio') in 109 clinical cases. In phantom study, peak skin respective right left were as follows: 63.0 ± 1.9 mGy, 19.7 1.4 mGy 21.9 0.8 whole brain 39.2 4.7 0.9 3.6 0.3 high-resolution CBCT. ratios 25.4 8.7% 19.1 9.8% lens. This shows that,...

10.1093/rpd/ncy188 article EN Radiation Protection Dosimetry 2018-10-13

A subgroup analysis of access site complications in the Japanese Registry Neuroendovascular Therapy (JR-NET) and JR-NET2, which were retrospective registry studies, was performed. Puncture vascular occurred 195 (0.63%, mean age: 69.2) all 31,836 patients. Most these resulted from surgery main hospitals (186 patients, 0.67%, P<0.001) scheduled (167 0.73%, P<0.001). Carotid artery stenting (81 1.04%, p<0.001), extracranial percutaneous transluminal angioplasty (PTA) (15 1.02%, intracranial PTA...

10.2176/nmc.oa2013-0196 article EN cc-by-nc-nd Neurologia medico-chirurgica 2013-11-19
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