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Dive into the research topics where Katsuhiko Yamashita is active.

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Featured researches published by Katsuhiko Yamashita.


Japanese Journal of Cardiovascular Surgery | 2000

Successful Conservative Treatment with Continuous Irrigation of an Electrolyzed Strong Acid Solution for Prosthetic Graft Infection of Abdominal Aorta.

Masaaki Ryomoto; Takashi Miyamoto; Hideki Yao; Katsuhiko Yamashita; Sukemasa Mukai; Torazou Wada; Masanori Murata

腹部大動脈瘤術後人工血管感染症に対し保存的治療にて救命した1症例を経験した. 症例は65歳女性, 1996年4月2日, 腹部大動脈瘤に対し人工血管置換術を施行したが, 術後14日目の腹部CT検査にて左後腹膜腔膿瘍を認めた. 緊急再開腹術を施行, 膿瘍腔の debridement および強酸性水による持続洗浄ドレナージ術を行った. 膿汁からはメチシリン耐性黄色ブドウ球菌が検出され, バンコマイシン®, ゲンタマイシン®を投与し, 術後82日目に細菌培養検査は陰性化した. 術後144日目に退院, 3年を経過した現在も炎症所見を認めず, 外来通院中である. 腹部大動脈領域の人工血管感染症は重篤な合併症であり, 感染グラフト除去, 非解剖学的バイパス術が一般的であるが, 抗生剤やポビドンヨードを希釈した溶液による持続洗浄法により良好な結果が報告されている. 強酸性水は広い抗菌スペクトルを有し, 生体に無害な溶液であり, 同液による持続洗浄は有用であると考えられる.


Japanese Journal of Cardiovascular Surgery | 2000

Surgical Treatment for Cardiac Myxomas. 20 Years' Experience in Consecutive 17 Cases.

Mitsuhiro Yamamura; Takashi Miyamoto; Katsuhiko Yamashita; Hideki Yao; Kazushige Inoue; Hirokazu Minamimura; Torazo Wada; Hiroe Tanaka; Masaaki Ryomoto; Tomohiko Sugimoto

今回われわれは当科において過去20年間に経験した心臓粘液腫連続17例の臨床像・手術術式・手術成績について検討を加えた. 男性5例・女性12例, 年齢は22~78歳 (平均55歳), 発生部位は左房13例・右房2例・右室1例・多発例1例であった. 左房粘液腫摘出術は2例を除き, 両心房縦切開を用いた心房中隔合併切除・腫瘍摘出術を標準術式とし, うち2例に僧帽弁輪縫縮術を追加した. 摘出した粘液腫の重量は6~310g (平均54g) であった. 手術・病院死亡はなかったが, 術後9年目に再発1例 (多発例・他院にて再手術) を認めた. おもな術後合併症は洞不全症候群 (ペースメーカー植え込み術) を1例, 術後一過性心房細動を2例, 術後急性肺水腫 (右室粘液腫摘出術直後) を1例認めた. 長期遠隔成績は追跡率100%, 平均観察期間約7年1カ月で, 17例中2例を非心臓死で失い, 10年累積生存率は75% (n=6) であった. 左房粘液腫に対しては発生母地を直視下に観察でき腫瘍を en bloc に摘出できる両心房縦切開を用いた心房中隔合併切除・腫瘍摘出術は有用であると思われる.


Journal of Structural Geology | 2013

Repeated seismic slips recorded in ultracataclastic veins along active faults of the Arima–Takatsuki Tectonic Line, southwest Japan

Aiming Lin; Katsuhiko Yamashita; Makoto Tanaka


Japanese Journal of Cardiovascular Surgery | 1999

Open Heart Surgery for Steroid Treated Patients.

Mitsuhiro Yamamura; Takashi Miyamoto; Katsuhiko Yamashita; Hideki Yao; Kazushige Inoue; Torazo Wada; Hiroe Tanaka; Masaaki Ryomoto


Japanese Journal of Cardiovascular Surgery | 2001

The Waffle Procedure for Postoperative Constrictive Epicarditis after Expanded Polytetrafluoroethylene Surgical Membrane as a Pericardial Substitute.

Hideki Yao; Takashi Miyamoto; Katsuhiko Yamashita; Sukemasa Mukai; Torazou Wada; Mitsuhiro Yamamura; Takashi Nakagawa; Masaaki Ryomoto


Japanese Journal of Cardiovascular Surgery | 1996

A Case of False-aneurysm Due to Prosthetic Graft Dilatation after Thoracoabdominal Aortic Aneurysm Repair.

Mitsuhiro Yamamura; Takashi Miyamoto; Shinsho Maeda; Katsuhiko Yamashita; Seisuke Nakata; Hideki Yao; Takashi Yasuoka; Sukemasa Mukai; Torazou Wada; Masanori Murata


J. J. C. V. S. | 2000

Surgical Treatment for Cardiac Myxomas. 20 Years' Experience in Consecutive 17 Cases.:20 Years' Experience in Consecutive 17 Cases

Mitsuhiro Yamamura; Takashi Miyamoto; Katsuhiko Yamashita; Hideki Yao; Kazushige Inoue; Hirokazu Minamimura; Torazo Wada; Hiroe Tanaka; Masaaki Ryomoto; Tomohiko Sugimoto


Japanese Journal of Cardiovascular Surgery | 1998

A Case of Coronary Artery Bypass Grafting for Unstable Angina with Acromegaly.

Mitsuhiro Yamamura; Takashi Miyamoto; Katsuhiko Yamashita; Toshihiko Saga; Hideki Yao; Takashi Yasuoka; Kazushige Inoue; Hirokazu Minamimura; Torazo Wada; Masahiro Kawanaka


Japanese Circulation Journal-english Edition | 1990

-0955-STUDIES ON DISSECTING ANEURYSM OF AORTA COMPLIBATED ACUTE LOWER EXTREMITY ISCHEMIA : THE 54th ANNUAL SCIENTIFIC MEETING OF THE JAPANESE CIRCULATION SOCIETY

Tadashi Takada; Takashi Koide; Shoutarou Takagi; Osamu Nakasaku; Katsuhiko Yamashita; Shinshou Maeda; Takashi Miyamoto; Tadaaki Iwasaki


Japanese Circulation Journal-english Edition | 1987

-362- ANGIOGRAPHIC FINDINGS OF THE FALSE LUMEN FOLLOWING SURGICAL REPAIR OF AORTIC DISSECTIONS

Katsuhiko Yamashita; Takashi Miyamoto; Katsuhiko Kaku; Shinsho Maeda; Satoshi Iwaoka; Koji Kitai; Takashi Yasuoka

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Hideki Yao

University of Wisconsin-Madison

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Mitsuhiro Yamamura

University of Wisconsin-Madison

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Masaaki Ryomoto

University of Wisconsin-Madison

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Torazo Wada

Hyogo College of Medicine

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Hiroe Tanaka

Hyogo College of Medicine

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Sukemasa Mukai

Hyogo College of Medicine

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Keiichi Aoki

Cardiovascular Institute of the South

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