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Dive into the research topics where Hiroki Taniguchi is active.

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Featured researches published by Hiroki Taniguchi.


American Journal of Surgery | 1995

Pylorus-preserving gastrectomy with radical lymph node dissection based on anatomical variations of the infrapyloric artery

Kiyoshi Sawai; Toshio Takahashi; Tsuguo Fujioka; Hiroshi Minato; Hiroki Taniguchi; Toshiharu Yamaguchi

We devised a method for performing pylorus-preserving gastrectomy (PPG) with radical lymph node dissection without compromising pyloric blood flow, based on vascular anatomical evaluation of 210 celiac angiograms. The origin of the infrapyloric artery was variable, but consistently supplied blood flow to the pylorus and the posterior wall of the antrum. When the infrapyloric artery originated from the gastroduodenal artery or from one of its pancreatic branches (type A, 88%), the right gastroepiploic artery was divided at its origin, allowing the excision of all adjacent lymph nodes. When the infrapyloric artery originated from the right gastroepiploic artery (type B, 12%), the right gastroepiploic artery was divided distal to the infrapyloric artery origin and the short right gastroepiploic artery remnant was skeletonized of lymph nodes. We have used this technique to perform PPG on 25 patients with early gastric cancer in the middle third of the stomach with minimal morbidity and no mortality.


Jpn J Gastroenterol Surg, Nihon Shokaki Geka Gakkai zasshi | 1996

Extent of D2 Surgery for Colon Cancer According to Tumor Location with Respect to Vascular Anatomy and Lymph Node Metastasis.

Hirokazu Yada; Kiyoshi Sawai; Miyakatsu Ohara; Masataka Shimotsuma; Hiroki Taniguchi; Toshio Takahashi; Osamu Ikawa; Makoto Katoh; Shigeru Takahashi; Hiroshi Izumi; Atsushi Takenaka; Hajime Tokuda

術前血管造影を行い, D2以上の根治術を行った結腸癌344例を対象に, 主幹動脈の走行変異とn2症例 (63例) の転移状況から, 深達度sm-mpの結腸癌に対してD2郭清を行う場合の切除範囲を, 占居部位別に検討して以下の結論を得た.回盲部癌は, 回結腸動脈の分岐変異は認めず, n2転移はNo.202のみであり, 回盲部切除でD2郭清可能である. 上行結腸癌は, 主幹動脈の分岐走行変異が豊富で, n2の転移部位も多様であり, D2郭清といえども右半結腸切除を要する. 横行結腸癌は, 横行結腸切除にてD2郭清可能なものが多いが, 右側では右・中結腸動脈が共通幹を有する場合, 右半結腸切除を行うべきであり, 左側では副中結腸動脈に注意が必要である. 左結腸動脈とS状結腸動脈第1枝が共通幹を形成している場合, 下行結腸癌ではNo.242-1を, S状結腸癌ではNo.232を含めて郭清すべきである. S状結腸癌はn2症例の39%にNo.252転移を認めたことよりD2郭清ではNo.252の郭清が必須である.


Jpn J Gastroenterol Surg, Nihon Shokaki Geka Gakkai zasshi | 1995

Surgical Treatment for Gastric Cancer in Aged Patients. Comparison between Patients Over and Under 80 Years of Age.

Hiroshi Minato; Kiyoshi Sawai; Miyakatsu Ohara; Hirokazu Yada; Tsuguo Fujioka; Tsuguo Sakakibara; Masataka Shimotsuma; Hiroki Taniguchi; Akeo Hagiwara; Toshiharu Yamaguchi; Toshio Takahashi

切除を行った65歳以上の胃癌症例を, 65~74歳のA群 (244例), 75~79歳のB群 (74例), 80歳以上のC群 (40例) に分けて治療成績を検討した.手術方針としてA群では進行度に応じて拡大手術も行ったが, C群では, なるべく合併切除を避け, リンパ節郭清はD1郭清を原則とした.その結果, 手術時間はA群234分, B群193分, C群129分と, 高齢者ほど有意に短く, 術中出血量もA群672g, B群517g, C群327gと, C群で有意に少なかった.術死はA群2.5%, B群2.7%, C群5.0%と差を認めなかった.術後合併症は, 肺合併症がC群にやや多いほかは, 3群間に差を認めなかった.5年累積生存率はA群58.7%, B群47.9%, C群31.1%とC群が有意に低かった.術死・他病死を除いても, 生存率は年齢が進むほど低い傾向を認めた.80歳以上の胃癌に対する縮小手術の方針により直接成績では, 79歳以下と差のない成績が得られたが, 遠隔成績において癌再発が多くなる傾向を認めた.


Jpn J Gastroenterol Surg, Nihon Shokaki Geka Gakkai zasshi | 1991

The Effect of Perioperative Blood Transfusions on Survival in Patients with Gastric Cancer.

Keisuke Kanemitsu; Kiyoshi Sawai; Shinji Okano; Kosuke Seiki; Hiroki Taniguchi; Toshiharu Yamaguchi; Toshio Takahashi

1983年から1988年までの間に教室で切除を行った胃癌422例を周手術期 (術前・術中・術後) に輸血を行わなかった非輪血群 (226例), 1,000ml未満の輸血を行った1,000ml未満群 (105例), および1,000ml以上の輸血を行った1,000ml以上群 (91例) の3群に分け, 周手術期の輸血が胃癌の生存率におよぼす影響について検討した.5年累積生存率は80.5%, 46.4%, 32.6%の順となり, 各群の間に有意差を認め, 輸血量の多い症例ほど生存率は不良であった.しかし, 輸血量が多かった症例では, 高齢者, 病期の進んだ症例, 肉眼型が浸潤型, 深達度の深い症例, リンパ節転移陽性例および胃全摘を行った症例がより多かったので, 組織学的病期別に生存率を比較した.その結果, stage IIおよびIVでは, 非輸血群の生存率が輸血1,000ml未満群および輸血1,000ml以上群と比べて有意に良好であったことからこれらのstageでは周手術期の輸血が予後を不良にしている可能性があるものと考えられた.


Jpn J Gastroenterol Surg, Nihon Shokaki Geka Gakkai zasshi | 1987

Intra-arterial infusion therapy of multi-anticancer agents suspended in oily contrast medium for patients with metastatic liver cancer.

Hiroki Taniguchi; Toshio Takahashi; Kiyoshi Sawai; Toshiharu Yamaguchi; Masataka Shimotsuma; Akiyoshi Ito; Shuhei Ogita; Kazuaki Tokiwa

制癌剤を懸濁した油性造影剤リピオドール (Lipiodol) の動注療法に多剤併用療法を応用し効果増強を試みた. すなわち, 5-フルオロウラシルまたはカルモフール, アドリアマイシンおよびマイトマイシンCを同時にリピオドールに懸濁し (350~1,000mg, 20~40mg, 10~30mg/5~20ml), 肝悪性腫瘍に対して動注したところ, 転移性肝癌に対しては10例中7例 (70.0%) に腫瘍縮小が, 8例中7例 (87.5%) に腫瘍マーカーの減少が認められた. 本療法をさらに発展させ, 種々の腫瘍に対してその腫瘍の性質に合わせて制癌剤を選べば, 今後一層の効果が期待でき, 将来有望と思われる.


Jpn J Gastroenterol Surg, Nihon Shokaki Geka Gakkai zasshi | 1992

Angiographic Findings and Lymph Node Metastases of the Remnant Stomach Cancer.

Makoto Kato; Shigeru Takahashi; Osamu Ikawa; Koji Fujii; Hiroshi Izumi; Atsushi Takenaka; Hajime Tokuda; Kiyoshi Sawai; Shinji Okano; Hiroki Taniguchi; Toshio Takahashi


The Japanese Journal of Gastroenterological Surgery | 1992

Radioimmunoimaging of Local Recurrence of Colorectal Cancer Using 131 I-labeled Murine Monoclonal Antibody A7

Takuya Miyagaki; Toshiharu Yamaguchi; Tatsuya Kotani; Nobuki Yamaoka; Hiroshi Tsurumi; Eigo Otsuji; Kazuya Kitamura; Hiroki Taniguchi; Kiyoshi Sawai; Toshio Takahashi; Masato Yamashita


Nihon Rinsho Geka Gakkai Zasshi (journal of Japan Surgical Association) | 1994

RANGE OF LYMPH NODE DISSECTION AND POSTOPERATIVE COURSE IN PYLORUS PRESERVING GASTRECTOMY FOR EARLY GASTRIC CANCER LOCATED IN THE MIDDLE THIRD OF THE STOMACH

Tsuguo Fujioka; Kiyoshi Sawai; Miyakatsu Ohara; Hiroshi Minato; Masahide Yamaguchi; Hiroki Taniguchi; Toshiharu Yamaguchi; Toshio Takahashi


Jpn J Gastroenterol Surg, Nihon Shokaki Geka Gakkai zasshi | 1991

Study on Gastrectomy for Gastric Cancer in Patients Aged 80 Years or Older.

Masahide Yamaguchi; Kiyoshi Sawai; Shinji Okano; Nobuhiro Tsukuda; Kosuke Seiki; Hiroki Taniguchi; Akeo Hagiwara; Tetsuro Yamane; Toshiharu Yamaguchi; Toshio Takahashi


Jpn J Gastroenterol Surg, Nihon Shokaki Geka Gakkai zasshi | 1990

Changes in clinico-pathological findings of the aged patients undergone surgery in these 15 years.

Nobuhiro Tsukuda; Kiyoshi Sawai; Toshio Takahashi; Kousuke Seiki; Takeshi Daidoh; Yasuhiro Shioaki; Akiyoshi Itoh; Hiroki Taniguchi; Takashi Yokota; Akeo Hagiwara; Tetsuro Yamane; Toshiharu Yamaguchi

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Kiyoshi Sawai

Kyoto Prefectural University of Medicine

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Shinji Okano

Kyoto Prefectural University of Medicine

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Hiroshi Minato

Kyoto Prefectural University of Medicine

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Masataka Shimotsuma

Kyoto Prefectural University of Medicine

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Eigo Otsuji

Kyoto Prefectural University of Medicine

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Kosuke Seiki

Kyoto Prefectural University of Medicine

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Masahide Yamaguchi

Kyoto Prefectural University of Medicine

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