Naoki Hashiyama
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View article: Severe post-thrombotic syndrome after iliac deep vein thrombosis in patients with iliac-femoral arteriovenous malformation
Severe post-thrombotic syndrome after iliac deep vein thrombosis in patients with iliac-femoral arteriovenous malformation Open
We report seven cases of severe postthrombotic syndrome following deep vein thrombosis (DVT) complicated by iliac-femoral arteriovenous malformation. The patients' median age was 80 years (range, 70-88 years). All cases involved the left l…
View article: Survey of Sclerotherapy for Venous Malformations (Cavernous Hemangioma) in Japan
Survey of Sclerotherapy for Venous Malformations (Cavernous Hemangioma) in Japan Open
View article: Surgical Technique of Endovascular Ablation for Primary Lower Extremity Varicose Veins: Ablation Catheter Subcutaneous Puncture to Extend the Ablation Length
Surgical Technique of Endovascular Ablation for Primary Lower Extremity Varicose Veins: Ablation Catheter Subcutaneous Puncture to Extend the Ablation Length Open
View article: Platypnea-orthodeoxia syndrome in a patient with poor activity of daily living: Struggling with a definitive diagnosis
Platypnea-orthodeoxia syndrome in a patient with poor activity of daily living: Struggling with a definitive diagnosis Open
View article: Prevention of Venous Thromboembolism for COVID-19 Patients Based on Clinical Guidance of Prevention of Venous Thromboembolism in COVID-19 (Version 2.0)
Prevention of Venous Thromboembolism for COVID-19 Patients Based on Clinical Guidance of Prevention of Venous Thromboembolism in COVID-19 (Version 2.0) Open
新型コロナウイルス感染症(COVID-19)における静脈血栓塞栓症(VTE)を主とした血栓症対策として,当院入院94例に「新型コロナウイルス感染症(COVID-19)における静脈血栓塞栓症予防の診療指針2021年4月5日版(Version 2.0)」に基づいて予防対策を講じた.入院中最重症時重症度は,軽症・中等症I 18例(19.1%),中等症II 59例(62.8%),重症17例(18.1%)であり,軽症・中等症I 2例(11.1%),中等症II 56例(94.9%),重…
View article: Acute Lower Extremity Arterial Thromboembolism Associated with Coronavirus Infection (COVID-19): Case Report and Literature Analysis
Acute Lower Extremity Arterial Thromboembolism Associated with Coronavirus Infection (COVID-19): Case Report and Literature Analysis Open
新型コロナウイルス感染症(COVID-19)軽症(NIH分類)の26歳男性。左下肢虚血を認め,大動脈,両側腸骨・膝窩動脈に血栓を認め急性下肢動脈血栓塞栓症の診断。血栓摘除術を3回,下腿減張切開を施行したが,再閉塞繰り返し運動障害,足趾壊死を来した。両側膝窩・下腿動脈に経皮的血管形成術を追加し足趾切断を免れた。今回われわれは,動脈硬化や先天性凝固異常などを有していない若年患者であっても,COVID-19によって動脈血栓症を発症した症例を経験した。文献的検索でも下肢動脈血栓塞栓…
View article: Clinical Course of Asymptomatic Isolated Distal Deep Vein Thrombosis of the Leg: A Single-Institution Study
Clinical Course of Asymptomatic Isolated Distal Deep Vein Thrombosis of the Leg: A Single-Institution Study Open
Background: The natural history of asymptomatic isolated distal deep vein thrombosis (DVT) of the leg is unclear. This study aimed to describe a 3-month and 1-year clinical course after diagnosis of asymptomatic isolated distal DVT …
View article: Stanford type B aortic dissection is more frequently associated with coronary artery atherosclerosis than type A
Stanford type B aortic dissection is more frequently associated with coronary artery atherosclerosis than type A Open
Stanford type B acute aortic dissection was significantly more frequently associated with coronary artery atherosclerosis than type A.
View article: Venous Thromboembolism in Patients with Chronic Thromboembolic Pulmonary Hypertension Who Underwent Pulmonary Endarterectomy
Venous Thromboembolism in Patients with Chronic Thromboembolic Pulmonary Hypertension Who Underwent Pulmonary Endarterectomy Open
慢性血栓塞栓性肺高血圧症（CTEPH）の発症機序は不明で，深部静脈血栓症（DVT）の既往は約半数にしか認められない．われわれは，肺動脈血栓内膜摘除術（PEA）を施行した22例を対象に，病歴，臨床所見，術前下肢静脈画像所見と，Jamieson分類について解析した．急性肺血栓塞栓症の既往は3例，DVTの既往は11例にあった．PEA術前検査では13例（59.1%）にDVTを認めた．DVTの既往がない11名中5例にもDVTを認めており，22例中，計16例（72.7%）には，既往歴あ…
View article: A Case of One-stage Surgery for Intravenous Leiomyomatosis Extending from the Internal Iliac Vein to the Right Atrium
A Case of One-stage Surgery for Intravenous Leiomyomatosis Extending from the Internal Iliac Vein to the Right Atrium Open
症例は47歳女性．検診で施行された超音波検査で下大静脈内に可動性のある腫瘤を指摘され，精査の結果，右内腸骨静脈から下大静脈の全長におよぶ腫瘤を認めた．血栓症を疑い抗凝固療法を施行したが腫瘤に変化はなく，腫瘍播種，肺塞栓症の可能性があるため，手術適応となった．術前検査では開腹術のみで腫瘤摘出術が可能と思われたが，執刀前の経食道超音波検査で，腫瘤の一部が右心房壁に付着していることが判明した．そのため体外循環を併用，オクルージョンカテーテルで塞栓を予防しつつ，開胸・開腹術により腫…