Chiharu Tanaka
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View article: Adapting a commercial anti-<i>Aspergillus</i> IgG ELISA kit for penguin sera: A novel approach using anti-chicken IgY antibody for the detection of anti-<i>Aspergillus</i> IgY titer
Adapting a commercial anti-<i>Aspergillus</i> IgG ELISA kit for penguin sera: A novel approach using anti-chicken IgY antibody for the detection of anti-<i>Aspergillus</i> IgY titer Open
Penguins are susceptible to aspergillosis and are affected by the causative fungal pathogens Aspergillus spp., under immunocompromised conditions. Currently, there are limited serological tests available for diagnosing Aspergillus infectio…
View article: Ilio-Iliac Arteriovenous Fistula Secondary to a Ruptured Right Common Iliac Artery Aneurysm and Anomalous Anatomy of Inferior Vena Cava Resulting in an Arteriovenous Shunt Formation with Right-sided Cardiac Failure: A Case Report
Ilio-Iliac Arteriovenous Fistula Secondary to a Ruptured Right Common Iliac Artery Aneurysm and Anomalous Anatomy of Inferior Vena Cava Resulting in an Arteriovenous Shunt Formation with Right-sided Cardiac Failure: A Case Report Open
We reported the case of a giant right CIAA that directly created a shunt into the right CIV. Contrast-enhanced CT is a useful method for confirming the working diagnosis of an IIAVF. In particular, in cases of IVC anomalies or strong periv…
View article: Development and Assessment on a Method to Provide Audio Descriptions for Baseball Broadcasts Using Smartphone
Development and Assessment on a Method to Provide Audio Descriptions for Baseball Broadcasts Using Smartphone Open
View article: Considering the Non-technical Skill Learned through the Experiences in Organizational Management of U-40 Committee
Considering the Non-technical Skill Learned through the Experiences in Organizational Management of U-40 Committee Open
日本心臓血管外科学会の正式な若手組織であるU-40では，全国に約80名いる幹事が軸となり若手のための活動を行っている．今回のコラムでは筆者がU-40全体代表として経験した組織マネジメントと，リーダーシップを含むノンテクニカルスキルについて多少の知見を加えて報告する．
View article: Platelet aggregation with various morphologies of neutrophils in arterial thrombus in a patient with Coronavirus disease: a case report
Platelet aggregation with various morphologies of neutrophils in arterial thrombus in a patient with Coronavirus disease: a case report Open
Arterial thromboembolism is a life-threatening condition in COVID-19 patients; however, the mechanism of hypercoagulopathy remains unknown. A 62-year-old man with a history of obesity was diagnosed with COVID-19 pneumonia. After hospitalis…
View article: Endovascular Repair for Abdominal Aneurysm with Concomitant Aortoiliac Vein Fistula Diagnosed by Four-Dimensional Computed Tomography
Endovascular Repair for Abdominal Aneurysm with Concomitant Aortoiliac Vein Fistula Diagnosed by Four-Dimensional Computed Tomography Open
A 78-year-old man complaining of left leg swelling was diagnosed with an abdominal aortic aneurysm with an irregular margin. A four-dimensional computed tomography (CT) showed an aortoiliac vein fistula. An AFX stent graft was urgently imp…
View article: Considerations from U-40 for the Special Session of the Annual Meeting on the New Japanese Board of Cardiovascular Surgery
Considerations from U-40 for the Special Session of the Annual Meeting on the New Japanese Board of Cardiovascular Surgery Open
サブスペシャリティー新専門医制度が正式に開始されるにあたり，旧制度と比べ研修期間の選択など種々の変更点がある．今回，事前にアンケートを行い，U-40世代の医師がどのように新制度をとらえ，理解しているかを調査した．その結果を基に，第52回日本心臓血管外科学会学術総会特別企画において専門医取得前，取得後の立場から考察し発表したので報告する．
View article: U-40 Column Advanced Lecture Course
U-40 Column Advanced Lecture Course Open
外科教育におけるoff the job training (off-JT)の重要性は広く認識されており，2017年より心臓血管外科専門医取得に際し30時間以上のoff-JTを義務付けている。U-40 Basic Lecture Courseは，若手心臓血管外科医を対象に基本的な手術手技を学ぶ機会を提供するべく毎年開催されている。U-40 Advanced Lecture Courseは，若手心臓血管外科医を対象に，より高度なレクチャー，ハンズオンセミナーを受ける機会を提供す…
View article: Acute Limb Ischemia Caused by Embolus of Primary Lung Cancer Complicating Trousseau’s Syndrome
Acute Limb Ischemia Caused by Embolus of Primary Lung Cancer Complicating Trousseau’s Syndrome Open
Limb ischemia caused by tumor embolus is rare. In this study, we report the case of a 77-year-old woman who suffered from acute ischemic limb. Computed tomography showed a tumor in the right bronchus invading the left atrium. The tumor fra…
View article: Sustainable investment strategies and a theoretical approach of multi-stakeholder communities
Sustainable investment strategies and a theoretical approach of multi-stakeholder communities Open
The digital industrial revolution continues to expand the global network of economies and societies. Nevertheless, difficulties of sustainability such as climate change and disruption have become more severe. Multi-stakeholders are crucia…
View article: Serum Angiopoietin-Like Protein 2 and NT-Pro BNP Levels and Their Associated Factors in Patients with Chronic Heart Failure Participating in a Phase III Cardiac Rehabilitation Program
Serum Angiopoietin-Like Protein 2 and NT-Pro BNP Levels and Their Associated Factors in Patients with Chronic Heart Failure Participating in a Phase III Cardiac Rehabilitation Program Open
Angiopoietin-like protein 2 (ANGPTL2) promotes chronic inflammation and plays a key role in the pathogenesis of heart failure. Cardiac rehabilitation (CR) is an integral component of heart failure management and has been shown to have anti…
View article: Remote simulator training of coronary artery bypass grafting during the coronavirus disease 2019 pandemic
Remote simulator training of coronary artery bypass grafting during the coronavirus disease 2019 pandemic Open
View article: Reconstruction for rupture of profunda femoris artery aneurysm in a patient with sarcopenia
Reconstruction for rupture of profunda femoris artery aneurysm in a patient with sarcopenia Open
Profunda femoris artery aneurysm (PFAA) is rare and has a high incidence of rupture. Herein, we report the case of an 80-year-old man who developed sarcopenia after gastric surgery. The patient presented to our hospital with a reddish thig…
View article: Role of the Japanese Board of Cardiovascular Surgery for Young Surgeons No.1
Role of the Japanese Board of Cardiovascular Surgery for Young Surgeons No.1 Open
心臓血管外科専門医制度は新制度に移行しつつあり，現在のU-40世代は新旧過渡期の専門医といえる．専門医保持者も，これから専門医を取得する人も，新専門医制度について知り将来の心臓血管外科の教育を討論すべき時期にきていると考える．本号を皮切りに，U-40コラムは新専門医制度を題材にしたシリーズを展開する．今回はU-40幹事へのアンケート調査を通して，専門医制度に対する生の声を届ける．若手心臓血管外科医が専門医制度についての認識を深め，より良い修練環境のために意見交換する材料にし…
View article: Examination of Anterior Leaflet Pseudoprolapse Causing Severe Mitral Regurgitation and Its Ideal Surgical Procedure
Examination of Anterior Leaflet Pseudoprolapse Causing Severe Mitral Regurgitation and Its Ideal Surgical Procedure Open
Background: The aim of this study is to evaluate severe mitral regurgitation caused by so called atrial leaflet “pseudoprolapse” and verify the effect of simple annular stabilization. Methods: One-hundred-twenty-two patients underwent surg…
View article: Pulmonary artery banding for initial treatment of ventricular septal rupture
Pulmonary artery banding for initial treatment of ventricular septal rupture Open
Ventricular septal rupture (VSR) is a serious and fatal mechanical complication after acute myocardial infarction. Emergent or urgent, surgical/transcatheter intervention is necessary to treat VSR, though the outcome is not favorable. We p…
View article: Effectiveness and optimal dose of chlormadinone acetate (CMA) as progestin-primed ovarian stimulation
Effectiveness and optimal dose of chlormadinone acetate (CMA) as progestin-primed ovarian stimulation Open
View article: Delayed thoracic wall bleeding after minimally invasive mitral valve repair
Delayed thoracic wall bleeding after minimally invasive mitral valve repair Open
The first case of late thoracic wall bleeding after minimally invasive mitral valve repair treated by endovascular therapy is reported. A 55-year-old woman underwent mitral valve repair and tricuspid annuloplasty through a mini-thoracotomy…
View article: A Questionnaire Survey on the Working Environment, the Degree of Satisfaction, and the Education Methods Targeting Under-Forty Cardiovascular Surgeons No.10
A Questionnaire Survey on the Working Environment, the Degree of Satisfaction, and the Education Methods Targeting Under-Forty Cardiovascular Surgeons No.10 Open
若手小児心臓外科医育成に関して，第71回日本胸部外科学会定期学術集会中に同時開催された日本小児心臓外科医会CHSS Japan総会でシンポジウムが開催された．今回，シンポジウムに先立ってU-40コラム特別企画として小児心臓外科医育成に関するアンケート調査を行ったので結果を報告する．
View article: A case of pulmonary artery sarcoma that was initially mis-diagnosed as pulmonary embolism
A case of pulmonary artery sarcoma that was initially mis-diagnosed as pulmonary embolism Open
Pulmonary artery sarcoma is a rare and highly malignant neoplasm. Early diagnosis and a multidisciplinary approach including surgical treatment and optimal medical therapy could prolong survival. Since the clinical symptoms and imaging fin…
View article: Open brachiocephalic artery stent for static obstruction caused by acute type A aortic dissection
Open brachiocephalic artery stent for static obstruction caused by acute type A aortic dissection Open
Brachiocephalic artery dissection complicated by acute type A aortic dissection occasionally causes cerebral malperfusion. Although immediate central aortic repair has been the standard treatment for aortic dissection, dissection in supra-…
View article: Unexplained Irreversible Sudden Termination of an Atypical Atrial Tachycardia for Atrial Fibrillation - What is the Mechanism?
Unexplained Irreversible Sudden Termination of an Atypical Atrial Tachycardia for Atrial Fibrillation - What is the Mechanism? Open
A 56-year-old woman without any significant past illnesses was suffering from frequent palpitations due to drug refractory paroxysmal atrial fibrillation (AF). The findings from the chest X-ray, laboratory data including the thyroid hormon…
View article: Distal aortic arch aneurysm in an adult case of PHACE syndrome†
Distal aortic arch aneurysm in an adult case of PHACE syndrome† Open
A rare case of adult PHACE syndrome with a distal aortic arch aneurysm was treated surgically. The patient had several anomalies including uneven cerebral blood flow, a small left common carotid artery and a narrowed transverse aorta. Unde…
View article: Surgical Treatment for the Annulo-Aortic Ectasia Concomitant with Membranous Ventricular Septal Aneurysm
Surgical Treatment for the Annulo-Aortic Ectasia Concomitant with Membranous Ventricular Septal Aneurysm Open
比較的稀な膜様部心室中隔瘤を合併した，中等度大動脈弁逆流を伴う大動脈弁輪拡張症を経験したので報告する．症例は60歳男性，維持透析中で，一過性心房細動の精査中に大動脈弁逆流を伴う最大短径52 mmの大動脈弁輪拡張症が認められた．術前画像診断で膜様部心室中隔瘤の合併が確認されたが，術中所見では瘤内に血栓や短絡，感染の所見などは認めなかった．瘤と大動脈弁輪間の線維組織を縫い代としてDacronパッチで瘤閉鎖し，それにより弁下部組織の強度が保たれ大動脈弁温存基部置換術を施行すること…
View article: A rotating cerium anode X-ray system allows visualization of intramural coronary vessels after cardiac stem cell therapy for myocardial infarction
A rotating cerium anode X-ray system allows visualization of intramural coronary vessels after cardiac stem cell therapy for myocardial infarction Open
Conventional angiography is insufficient for evaluating the therapeutic effect of cardiac regeneration therapy. A microangiographic X-ray system using a cerium anode was developed. Cerium has a characteristic X-ray with a peak at 34.6 keV,…
View article: Large-scale self-organization of reconfigurable topological defect networks in nematic liquid crystals
Large-scale self-organization of reconfigurable topological defect networks in nematic liquid crystals Open
View article: Real-time transesophageal echocardiography facilitates antegrade balloon aortic valvuloplasty
Real-time transesophageal echocardiography facilitates antegrade balloon aortic valvuloplasty Open
We report two cases of severe aortic stenosis (AS) where antegrade balloon aortic valvuloplasty (BAV) was performed under real-time transesophageal echocardiography (TEE) guidance. Real-time TEE can provide useful information for evaluatin…
View article: Altered blood flow in cerebral perforating arteries of rat models of diabetes: A synchrotron radiation microangiographic study toward clinical evaluation of white matter hyperintensities
Altered blood flow in cerebral perforating arteries of rat models of diabetes: A synchrotron radiation microangiographic study toward clinical evaluation of white matter hyperintensities Open
Aim As altered blood flow in the cerebral perforating arteries ( PA ) might be related to development of cerebral white matter hyperintensities, we examined whether the hemodynamic relationship of the PA and middle cerebral artery ( MCA ) …
View article: Severity of white matter hyperintensities in older adults aged in their mid 80s and its relationship with hemodynamic and cardiac parameters
Severity of white matter hyperintensities in older adults aged in their mid 80s and its relationship with hemodynamic and cardiac parameters Open
Aim In the present study, we analyzed the severity of white matter hyperintensities detected on magnetic resonance imaging of the brain in older J apanese adults who were aged in their mid 80s, and examined its relationships with the clini…