Takuro Shirasu

ORCID: 0000-0002-3598-4068
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About
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Research Areas
  • Aortic aneurysm repair treatments
  • Peripheral Artery Disease Management
  • Vascular Procedures and Complications
  • Cardiac, Anesthesia and Surgical Outcomes
  • Infectious Aortic and Vascular Conditions
  • Aortic Disease and Treatment Approaches
  • Cerebrovascular and Carotid Artery Diseases
  • Vascular anomalies and interventions
  • Diagnosis and Treatment of Venous Diseases
  • Abdominal vascular conditions and treatments
  • Central Venous Catheters and Hemodialysis
  • Mechanical Circulatory Support Devices
  • Cardiac Structural Anomalies and Repair
  • Protein Degradation and Inhibitors
  • Venous Thromboembolism Diagnosis and Management
  • Biliary and Gastrointestinal Fistulas
  • Hemodynamic Monitoring and Therapy
  • Cardiovascular Health and Disease Prevention
  • Congenital Heart Disease Studies
  • Pulmonary Hypertension Research and Treatments
  • Pancreatitis Pathology and Treatment
  • Renal and Vascular Pathologies
  • Kawasaki Disease and Coronary Complications
  • Intracranial Aneurysms: Treatment and Complications
  • Cardiac tumors and thrombi

University of Virginia
2020-2024

The University of Tokyo
2013-2024

The University of Texas Medical Branch at Galveston
2023

Albert Einstein College of Medicine
2023

Takara (Japan)
2023

University of Virginia Health System
2021-2023

Morinomiya Hospital
2022-2023

Asahi General Hospital
2017-2022

Nationwide Children's Hospital
2022

The Ohio State University
2020

There is no consensus regarding the terminology, definition, classification, diagnostic criteria, and algorithm, or reporting standards for disease of infective native aortic aneurysm (INAA), previously known as mycotic aneurysm. The aim this study was to establish by performing a study.The Delphi methodology used. Thirty-seven international experts were invited via mail participate. Four two week rounds performed, using an online questionnaire, initially with 22 statements nine items....

10.1016/j.ejvs.2022.11.024 article EN cc-by European Journal of Vascular and Endovascular Surgery 2022-12-05

Several drugs targeting the pathogenesis of aortic aneurysm have shown efficacy in model systems but not clinical trials, potentially owing to lack targeted drug delivery. Here, we designed a novel delivery system using nanoparticles target disrupted micro-structure. We generated poly(ethylene glycol)-shelled incorporating rapamycin that exhibited uniform diameter and long-term stability. When injected intravenously into rat which abdominal (AAA) had been induced by infusing elastase,...

10.1371/journal.pone.0157813 article EN cc-by PLoS ONE 2016-06-23

Abdominal aortic aneurysm (AAA) is a progressive dilatation, causing ∼80% mortality upon rupture. Currently, there no approved drug therapy for AAA. Surgical repairs are invasive and risky thus not recommended to patients with small AAAs which, however, account ∼90% of the newly diagnosed cases. It therefore compelling unmet clinical need discover effective non-invasive strategies prevent or slow down AAA progression. We contend that first will only arise through discoveries both targets...

10.1016/j.bioactmat.2023.02.009 article EN cc-by-nc-nd Bioactive Materials 2023-02-21

The Global Limb Anatomic Staging System (GLASS) has been widely used to evaluate patients with chronic limb-threatening ischemia (CLTI). As end-stage kidney disease (ESKD) is a well-known CLTI risk factor, we aimed determine whether on hemodialysis (HD) have worse limb prognosis than those without ESKD, considering the same GLASS background.

10.1016/j.avsg.2023.11.049 article EN cc-by-nc-nd Annals of Vascular Surgery 2024-02-01

From 2001 to 2012, arterial reconstruction was performed in 306 out of 497 limbs (62%) with critical limb ischemia. The reasons for non-vascularization include high operative risk (36%), extended necrosis or infection (20%), and technical issues (15%). Cumulative patency salvage collagen disease were significantly worse compared arteriosclerosis obliterans. salvage, amputation free survival (AFS), major adverse event perioperative death (MALE + POD) patients end-stage renal (ESRD) without...

10.3400/avd.oa.15-00074 article EN cc-by-nc-sa Annals of Vascular Diseases 2015-01-01

To determine the midterm outcomes of distal bypass surgery for very elderly patients, and to ideal candidates this procedure.Of 268 consecutive patients (328 limbs) with critical limb ischemia who were treated between 2006 2013, 106 (126 underwent retrospectively reviewed. Nineteen (22 aged ≥80 years (very group) 87 (104 <80 (control group).The baseline characteristics differed 2 groups in terms regular hemodialysis rate group, 4 [21%] vs control 60 [69%]; P = .0002) Charlson comorbidity...

10.1016/j.jvs.2015.08.090 article EN publisher-specific-oa Journal of Vascular Surgery 2015-10-26

Some patients with critical limb ischemia (CLI) lack symptoms of intermittent claudication (IC) before the onset CLI. We studied outcome such patients, because this is currently unknown. METHODS AND RESULTS: For retrospective exploratory analysis, we divided 225 (265 limbs) CLI into 2 groups: 142 (172 without a history IC (non-IC group) and 83 (93 (IC group). examined comorbid factors found that higher proportion in non-IC group failed to undergo arterial revascularization (49% vs. 20%,...

10.1253/circj.cj-15-0017 article EN Circulation Journal 2015-01-01

Neointimal hyperplasia/proliferation (IH) is the primary etiology of vascular stenosis. Epigenomic studies concerning IH have been largely confined to in vitro models, and IH-underlying epigenetic mechanisms remain poorly understood. This study integrates information from vivo epigenomic mapping, conditional knockout, gene transfer pharmacology rodent models IH. The data injured (IH-prone) rat arteries revealed a surge genome-wide occupancy by histone-3 lysine-27 trimethylation (H3K27me3),...

10.26508/lsa.202101114 article EN cc-by Life Science Alliance 2022-02-15

It has been reported that median arcuate ligament syndrome is closely associated with gastric or pancreaticoduodenal artery aneurysms. Hemodynamic state plays an important role in the formation of These aneurysms are treated open resection endovascular exclusion. However, whether revascularization celiac can prevent aneurysm unknown. This report indicated a possibility prophylactic for stenosis resulted decreased shear stress on collaterals, which may otherwise be susceptible to new...

10.1186/s12893-017-0320-0 article EN cc-by BMC Surgery 2017-11-28

Abstract Neointimal hyperplasia (IH) is a common vascular pathology that typically manifests in in-stent restenosis and bypass vein graft failure. Smooth muscle cell (SMC) phenotypic switching central to IH, both regulated by some microRNAs, yet the role of miR579-3p, scarcely studied microRNA, not known. Unbiased bioinformatic analysis suggested miR579-3p was repressed human primary SMCs treated with different pro-IH cytokines. Moreover, software-predicted target c-MYB KLF4 − two master...

10.1038/s41420-023-01364-7 article EN cc-by Cell Death Discovery 2023-02-22

To analyze the effects of total side branch embolization at endovascular aneurysm repair (EVAR) for abdominal aortic aneurysms on incidences persistent type 2 endoleak (pT2EL), changes in sac diameter, and reintervention.

10.1016/j.jvs.2023.12.004 article EN cc-by-nc-nd Journal of Vascular Surgery 2023-12-08

Since endovascular aneurysm repair has become predominant, the issue of training young vascular surgeons in open abdominal aortic (AAA) surgery received significant attention. Through learning curve analysis, we aimed to determine number cases needed for achieve satisfactory surgical skills.

10.1253/circj.cj-19-0386 article EN Circulation Journal 2019-07-26
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