Kenji Ogata
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View article: Risk factors of preoperative complications after colorectal surgery in elderly and relationship between postoperative complications and long-term survival
Risk factors of preoperative complications after colorectal surgery in elderly and relationship between postoperative complications and long-term survival Open
Background The potential risk factors of postoperative complications after colorectal surgeries in elderly and the impact of postoperative complications on long-term survival are in issue. This study aimed to identify the potential risk fa…
View article: Comparison of Stent Strategy and Drug-Coated Balloon After JETSTREAM for Severely Calcified Femoropopliteal Artery Disease (CORVUS Study)
Comparison of Stent Strategy and Drug-Coated Balloon After JETSTREAM for Severely Calcified Femoropopliteal Artery Disease (CORVUS Study) Open
DCB after JETSTREAM atherectomy demonstrated comparable safety, except for distal embolization, and high efficacy in patients with severely calcified FP lesions, suggesting that it may be an alternative revascularization method to the sten…
View article: Impact of Guideline-Directed Medical Therapy on 2-Year Mortality in Japanese Patients Undergoing Endovascular Therapy for Femoropopliteal Lesions ― Results of the Multicenter GEMINI-FP Study ―
Impact of Guideline-Directed Medical Therapy on 2-Year Mortality in Japanese Patients Undergoing Endovascular Therapy for Femoropopliteal Lesions ― Results of the Multicenter GEMINI-FP Study ― Open
In Japanese patients undergoing EVT for FP lesions, GDMT may improve all-cause, cardiovascular, and cardiocerebrovascular mortality within 2 years.
View article: Incidence and Predictors of In-Hospital Frailty Progression in Patients with Chronic Limb-Threatening Ischemia after Endovascular Therapy: Results of the RIGEL Study
Incidence and Predictors of In-Hospital Frailty Progression in Patients with Chronic Limb-Threatening Ischemia after Endovascular Therapy: Results of the RIGEL Study Open
In-hospital frailty progression was observed in one of the eight patients with CLTI undergoing EVT. Frailty progression was linked to more severe clinical status and worse life and limb outcomes than cases without progression.
View article: Prognostic Factors Associated with 2-year Mortality in Patients with Intermittent Claudication Treated with Endovascular Therapy for Femoropopliteal Lesions: Results from the Multicenter PROCYON Study
Prognostic Factors Associated with 2-year Mortality in Patients with Intermittent Claudication Treated with Endovascular Therapy for Femoropopliteal Lesions: Results from the Multicenter PROCYON Study Open
Dialysis, low BMI, CAD, and low ABI were risk factors for a worse 2-year prognosis in patients with intermittent claudication who underwent EVT for femoropopliteal lesions. Statins and cilostazol may improve the 2-year prognosis of patient…
View article: Guideline-Directed Medical Therapy for Elderly Patients With Acute Myocardial Infarction Who Undergo Percutaneous Coronary Intervention ― Insights From a Retrospective Observational Study ―
Guideline-Directed Medical Therapy for Elderly Patients With Acute Myocardial Infarction Who Undergo Percutaneous Coronary Intervention ― Insights From a Retrospective Observational Study ― Open
GDMT in patients with AMI aged ≥80 years undergoing PCI was associated with a lower cardiovascular death rate but not all-cause mortality.
View article: Influence of Endogenous Substances on Site-II to Site-I Displacement of Diclofenac Bound to Albumin in the Aqueous Humor of Patients with Cataract
Influence of Endogenous Substances on Site-II to Site-I Displacement of Diclofenac Bound to Albumin in the Aqueous Humor of Patients with Cataract Open
Diclofenac instillation is useful in preventing intraoperative miosis and macular edema caused by postoperative inflammation in cataract surgery; however, optimum efficacy is not attained when the instilled diclofenac strongly binds to alb…
View article: Calcium Fracture After Intravascular Lithotripsy as Assessed With Optical Coherence Tomography
Calcium Fracture After Intravascular Lithotripsy as Assessed With Optical Coherence Tomography Open
Post-IVL calcium fracture is more likely in calcified lesions with lower thickness, a larger calcium arc, superficial calcification, and non-nodular calcification, leading to a larger stent area.
View article: Intra- and Postprocedural Management of Coronary Artery Perforation During Percutaneous Coronary Intervention
Intra- and Postprocedural Management of Coronary Artery Perforation During Percutaneous Coronary Intervention Open
Background: Little is known regarding the postprocedural management of coronary artery perforation (CAP). Methods and Results: The characteristics, outcomes, and management of 115 CAP cases among 13,453 patients undergoing percutaneous cor…
View article: Outcomes of Elderly Patients With Acute Myocardial Infarction and Heart Failure Who Undergo Percutaneous Coronary Intervention
Outcomes of Elderly Patients With Acute Myocardial Infarction and Heart Failure Who Undergo Percutaneous Coronary Intervention Open
BACKGROUND: As life expectancy rises, percutaneous coronary intervention (PCI) is being performed more frequently, even in elderly patients with acute myocardial infarction (AMI). This study evaluated outcomes of elderly patients with AMI …
View article: A Case of Lung Cancer in an 83-year-old Male Patient with Systemic Lupus Erythematosus-like Symptoms as Paraneoplastic Syndrome
A Case of Lung Cancer in an 83-year-old Male Patient with Systemic Lupus Erythematosus-like Symptoms as Paraneoplastic Syndrome Open
症例は83歳，男性．左下葉結節の生検で非小細胞肺癌と診断された．Positoron emission tomography （PET） -CTでは，両側肺門縦隔リンパ節に集積があり，臨床病期III Bと診断した．化学療法前検査で白血球1,200/μLと白血球減少を認め，凝固能はPT-INR 5.16，APTT 107秒であった．抗核抗体5,120倍，抗DNA抗体9.9IU/mlと上昇しており，全身性エリテマトーデスと診断された．皮膚関節炎症状や腎障害は認めなかった．凝固能は…
View article: A Case of Perforated Multiple True Diverticula of the Small Intestine Associated with Intestinal Malrotation
A Case of Perforated Multiple True Diverticula of the Small Intestine Associated with Intestinal Malrotation Open
症例は44歳，男性．生来1日に数回の下痢便と腹部膨満を伴う生活を送っていた．3日前より腹痛と腹部膨満感が増悪し当院を受診した．下腹部を最強点とする腹部全体の自発痛と圧痛を認めた．血液検査での炎症上昇と，腹部CTにおいて小腸間膜内ガス像と膿瘍形成を認めたため，小腸穿孔の診断で緊急手術を施行した．また，盲腸は右上腹部に位置しており，術前より腸回転異常を認識していた．術中所見としては，穿孔部位と思われる小腸は一塊となっており，口側腸管に白色硬化した狭窄部位や捻じれを伴うような小腸…
View article: Predicting adverse events in patients who are anxious about dental procedures
Predicting adverse events in patients who are anxious about dental procedures Open
Background Dental extractions can cause significant anxiety making patients feel sick. In serious cases, extractions can cause unconsciousness and even death. Therefore, systemic adverse events must be completely avoided. We herein develop…
View article: Endless Challenges in Overcoming Complications Associated with Endoscopic Submucosal Dissection
Endless Challenges in Overcoming Complications Associated with Endoscopic Submucosal Dissection Open
See the article "Effectiveness of Autologous Platelet-Rich Plasma for the Healing of Ulcers after Endoscopic Submucosal Dissection" in Volume 52 on page 472.
View article: Identification and Visualization of Fine Precipitates in a Cr–Mo Steel Based on SEM Contrast
Identification and Visualization of Fine Precipitates in a Cr–Mo Steel Based on SEM Contrast Open
Precise characterization of fine precipitates in steels is crucial owing to the influence of these precipitates on the mechanical properties. Various types of carbide precipitates occur in heat-resistant Cr–Mo steels. Their identification …
View article: Scattering-angle Selective STEM Images for a Co-Cr-Mo Alloy Fabricated by Selective Laser Melting
Scattering-angle Selective STEM Images for a Co-Cr-Mo Alloy Fabricated by Selective Laser Melting Open
Cellular structure of a Co-Cr-Mo alloy fabricated by selective laser melting (SLM) has been investigated by scanning transmission electron microscopy (STEM). Angle-selective STEM detector provides diverse information on the microstructures…
View article: Clinical challenge: Does below-the-ankle intervention improve outcomes for patients with critical limb ischemia?
Clinical challenge: Does below-the-ankle intervention improve outcomes for patients with critical limb ischemia? Open
2017年に発表された，ヨーロッパ心臓病学会（ESC）とヨーロッパ血管外科学会（ESVS）の合同ガイドラインでは，血管内治療（EVT）が重症下肢虚血（Critical limbs ischemia: CLI）患者に対する標準治療の一つとして明記された．以前はタブーとも言われていた治療が，標準的治療としてガイドラインに掲載される．これは非常に喜ばしいことであると思う．そのなかで，われわれの前に立ちはだかる最後の障壁が，足首以下（Below-the-ankle: BTA）病変の…
View article: Identification and Visualization of Fine Precipitates in a Cr-Mo Steel Using SEM Contrasts
Identification and Visualization of Fine Precipitates in a Cr-Mo Steel Using SEM Contrasts Open
A precise characterization of fine precipitates is crucial because these precipitates control mechanical properties of steel materials. Different types of carbide precipitates appear in heat resistant Cr-Mo steels. Their identification req…
View article: A case of multiple serous cystadenomas in pancreas that showed growth and regression
A case of multiple serous cystadenomas in pancreas that showed growth and regression Open
症例は52歳,男性.人間ドックで膵嚢胞を指摘され,2008年に当院を受診した.CTおよびMRCPで膵体部から尾部にかけて3個の多房性嚢胞性病変を認め,分枝型膵管内乳頭粘液性腫瘍と診断し,半年毎の経過観察を行った.膵尾部の嚢胞性病変は2011年頃から縮小や増大を認め,2016年のCTで内部に壁在結節を疑う所見を認めた.超音波内視鏡検査においても同様に嚢胞内に壁在結節様病変を認め,手術適応と判断し,腹腔鏡下膵体尾部切除術を施行した.病理組織学的には,壁在結節とされた部分には小嚢…