Yuta Miyano
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View article: Hybrid surgery for imminent rupture of superior mesenteric artery aneurysms
Hybrid surgery for imminent rupture of superior mesenteric artery aneurysms Open
View article: A Case of Takayasu's Arteritis with Aortic Root Abscess after AVR and during Biologic Drug Administration
A Case of Takayasu's Arteritis with Aortic Root Abscess after AVR and during Biologic Drug Administration Open
症例は32歳女性.5年前に高安動脈炎と診断され,1年前に大動脈弁閉鎖不全症に対して大動脈弁置換術を施行した.高安動脈炎に対してPrednisoloneとAzathioprine内服を継続していたが4カ月前からTocilizumab皮下注に変更となった.1カ月前から労作時呼吸苦を認め,2日前から胸部不快感が出現し当院を受診した.血液検査ではCRP 0.02 mg/dl,心エコーとCTで弁周囲逆流と大動脈基部仮性瘤を認めたため,高安動脈炎による大動脈基部仮性瘤を疑い緊急手術を施…
View article: Skill Mastery and Learning Curve Analysis in Fenestrated Endovascular Aortic Repair with Physician-Modified Endograft
Skill Mastery and Learning Curve Analysis in Fenestrated Endovascular Aortic Repair with Physician-Modified Endograft Open
Objectives: This study aims to delineate the unique learning curve for fenestrated endovascular aortic repair (FEVAR) at our institution. Materials and Methods: We measured the FEVAR-specific procedure time (FSPT) as the dura…
View article: Open Stent Grafting for Aortic Arch Aneurysm with an Aberrant Right Subclavian Artery
Open Stent Grafting for Aortic Arch Aneurysm with an Aberrant Right Subclavian Artery Open
症例は56歳女性.偽腔開存型A型解離にて上行大動脈置換術を施行7年後,CTにて解離性弓部大動脈瘤拡大(55 mm)を呈し手術適応と判断された.右鎖骨下動脈起始異常(aberrant right subclavian artery, ARSA)を合併しており,同部位の安全な処理方法について検討を行い両側腋窩動脈への弓部分枝再建を用いたオープンステントでの弓部置換を行う方針とした.手術は,まず両側腋窩動脈へ7 mm人工血管J-graftを吻合し,右腋窩動脈と大腿動脈からの送血,…
View article: Physician-modified endograft using three-dimensional model-assisted planning
Physician-modified endograft using three-dimensional model-assisted planning Open
The differences between the planning methods were non-negligible. However, 3D model-assisted planning increased the precision of the fenestration design when the conformation of the stent graft to the aortic anatomy is taken into account.
View article: Left Atrial Appendage Rupture due to Blunt Chest Trauma during a Motor Vehicle Accident
Left Atrial Appendage Rupture due to Blunt Chest Trauma during a Motor Vehicle Accident Open
鈍的外傷による心破裂は外科的治療介入以前に死亡に至る症例が多く死亡率の高い疾患である.損傷部位は心房,心耳,心室が含まれるが左心耳の損傷は稀である.症例は71歳,女性.自家用車を運転中に民家に衝突して自動車前面が大破する高エネルギー外傷にて救命救急センターに搬送された.心タンポナーデに対して経皮的心嚢穿刺ドレナージを実施後に当院に搬送された.胸骨正中切開アプローチによる緊急手術で左心耳基部に裂創を認め,人工心肺補助下で縫合止血を行った.止血後は循環動態安定し,心嚢内に他の損…
View article: A Mobile Thrombus in the Aortic Arch
A Mobile Thrombus in the Aortic Arch Open
症例は51歳,男性.左上肢の冷感,疼痛を主訴に前医で造影CTを撮像し,弓部大動脈に内腔に突出する腫瘤影を認め,腫瘍もしくは血栓による左上肢の末梢動脈塞栓症が疑われ当院に転院搬送となった.MRIでは弓部大動脈内に可動性の腫瘤影を認めた.塞栓症再発の危険性があったため手術を施行する方針とした.体外循環下に超低体温循環停止,選択的脳灌流を行い腫瘤と腫瘤が付着した大動脈壁を切除し上行弓部部分置換を施行した.病理検査では腫瘤は血栓で悪性所見は認めず,大動脈壁は内膜の軽度の粥状硬化を認…
View article: A Case Report of Partial Aortic Arch Replacement for Traumatic Aortic Arch Injury
A Case Report of Partial Aortic Arch Replacement for Traumatic Aortic Arch Injury Open
症例は79歳,女性.高所からの落下による高エネルギー外傷により救急搬送された.造影CTにて左総頸動脈の引き抜き損傷と診断され緊急手術となった.胸骨正中切開でアプローチ,右大腿動脈送血,右房脱血で体外循環を確立し全身冷却を開始した.鼓膜温20度で循環停止として大動脈を切開し破裂部を確認すると左総頸動脈起始部は約10 mmにわたり断裂していた.左総頸動脈末梢で弓部大動脈を離断し,部分弓部置換を行った.術後経過は良好で術後16日目に自宅退院となった.高エネルギー外傷による左総頸動…
View article: A Case of Scimitar Syndrome in an Adult with an Atrial Septal Defect
A Case of Scimitar Syndrome in an Adult with an Atrial Septal Defect Open
症例は34歳,女性.小児期より部分肺静脈還流異常症で経過観察されていたが,18歳以降は通院を自己中断していた.33歳時の健診で胸部異常陰影を指摘され,当院へ紹介受診となった.経胸壁心臓超音波検査で心房中隔欠損症(Atrial septal defect, ASD)を認め,造影CTでは右下肺静脈が下大静脈に還流しており,ASD合併Scimitar症候群と診断した.心臓カテーテル検査で肺体血流比(Qp/Qs)2.48,左右短絡率59.7%と上昇しており,手術加療を行った.右下肺…
View article: Successful Surgical Aortic Valve Replacement for Prosthetic Valve Endocarditis 10 Months after Transcatheter Aortic Valve Implantation
Successful Surgical Aortic Valve Replacement for Prosthetic Valve Endocarditis 10 Months after Transcatheter Aortic Valve Implantation Open
症例は87歳,男性.2019年1月に重症大動脈弁狭窄症に対して経大腿動脈アプローチにて経カテーテル大動脈弁植込み術(Transcatheter Aortic Valve Implantation ; TAVI)(Evolut PRO 29 mm)を施行した.術後問題なく自宅退院したが術後約8カ月で脳梗塞を契機に入院し血液培養陽性(Viridans Streptococcus),大動脈弁に可動性の疣贅を認め人工弁感染性心内膜炎(Prosthetic Valve Endocar…
View article: Preoperative Planning for Physician-Modified Endografts Using a Three-Dimensional Printer
Preoperative Planning for Physician-Modified Endografts Using a Three-Dimensional Printer Open
The medical uses of three-dimensional (3D) printing are evolving at a rapid pace. The current roles and the future outlooks of this technology for physician-modified endovascular graft (PMEG) in patients with juxtarenal aneurysm are discus…
View article: One Technique to Modulate a Device Implantation Path in a Short Treatment Length Using the Gore IBE Device
One Technique to Modulate a Device Implantation Path in a Short Treatment Length Using the Gore IBE Device Open
The GORE EXCLUDER Iliac Branch Endoprosthesis (IBE; W. L. Gore and Associates, Flagstaff, AZ, USA) applicability is limited by the aorto-iliac length (AOL). The shortage may be a major exclusion criterion. An 85-year-old male presented wit…
View article: Calcified amorphous tumor of mitral annulus treated by simple aspiration
Calcified amorphous tumor of mitral annulus treated by simple aspiration Open
A 49-year-old woman on hemodialysis was diagnosed with severe aortic stenosis and a growing calcified amorphous tumor in the mitral annulus. Because of the anatomical location, we did not resect the whole tumor, while aortic valve replacem…