Faculty Profiles - EDAMURA Kohei

Papers - EDAMURA Kohei

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DSA-POSITIVE HIGH RISK KIDNEY TRANSPLANTATION

西村慎吾, 荒木元朗, 関戸崇了, 坪井一朗, 吉永香澄, 和田里章悟, 丸山雄樹, 光井洋介, 窪田理沙, 定平卓也, 岩田健宏, 高本篤, 佐古智子, 枝村康平, 和田耕一郎, 小林泰之, 渡邉豊彦, 那須保友

西日本泌尿器科(Web) 83 ( 3 ) 152 - 160 2021.8

GIANT RENAL EPITHELIOID ANGIOMYOLIPOMA TREATED WITH PARTIAL NEPHRECTOMY: A CASE REPORT

横山周平, 富永悠介, 高本篤, 定平卓也, 関戸崇了, 和田耕一郎, 枝村康平, 小林泰之, 荒木元朗, 渡部昌実, 渡邉豊彦, 柳井広之, 那須保友

西日本泌尿器科(Web) 83 ( 3 ) 175 - 180 2021.8

Successful deceased donor kidney transplantation to a recipient with a history of COVID-19 treatment. International journal

Kasumi Yoshinaga, Motoo Araki, Koichiro Wada, Kou Hasegawa, Takanori Sekito, Shuji Miyake, Shogo Watari, Yuki Maruyama, Takuya Sadahira, Shingo Nishimura, Katsuyuki Tanabe, Hidemi Takeuchi, Yuri Nakashima, Masaru Kinomura, Herik Acosta, Yosuke Mitsui, Risa Kubota, Hirochika Nakajima, Kohei Edamura, Yasuyuki Kobayashi, Masami Watanabe, Toyohiko Watanabe, Fumio Otsuka, Jun Wada, Yasutomo Nasu

Journal of infection and chemotherapy : official journal of the Japan Society of Chemotherapy 27 ( 7 ) 1097 - 1101 2021.7

Language：English Publishing type：Research paper (scientific journal)

CASE PRESENTATION: A 49-year-old Asian male, who had undergone hemodialysis for >16 years, complained of a fever, dysgeusia and dysosmia, and was diagnosed with COVID-19 pneumonia based on severe acute respiratory syndrome coronavirus 2 polymerase chain reaction (SARS-CoV-2 PCR) and computed tomography (CT). Treatment was started with oral favipiravir and ciclesonide inhalation. On the 10th day of treatment, the patient had a persistent high fever and a chest CT showed exacerbation of pneumonia, so dexamethasone was intravenously started. He was discharged after confirming two consecutive negative SARS-CoV-2 PCR tests. Three months after COVID-19 treatment, a SARS-CoV-2 PCR test was negative and he underwent a deceased donor kidney transplantation. Basiliximab induction with triple drug immunosuppression consisting of extended-release tacrolimus, mycophenolate mofetil and prednisolone, which is our regular immunosuppression protocol, was used. He was discharged on postoperative day 18 without the need for postoperative hemodialysis or any complications. The serum creatinine level was 1.72 mg/dL 95 days postoperatively and he had a favorable clinical course that was similar to deceased donor kidney recipients without a history of SARS-CoV-2 infection. CONCLUSION: We report the first case of a kidney transplantation after COVID-19 treatment in Japan and the fourth case globally. We would like to provide information about our successful case due to the anticipated increase in similar candidates in the near future.

DOI： 10.1016/j.jiac.2021.03.018

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A Case of Metastatic Fumarate Hydratase-Deficient-like Renal Cell Carcinoma Successfully Managed by Ipilimumab plus Nivolumab.

Takanori Sekito, Atsushi Takamoto, Yasuyuki Kobayashi, Masao Mitsui, Shogo Watari, Risa Kubota, Takuya Sadahira, Takehiro Iwata, Shingo Nishimura, Kohei Edamura, Tomoko Sako, Motoo Araki, Masami Watanabe, Toyohiko Watanabe, Rei Shibata, Daisuke Ennishi, Yasutomo Nasu

Acta medica Okayama 75 ( 3 ) 397 - 402 2021.6

Language：English Publishing type：Research paper (scientific journal)

We report a 62-year-old male with metastatic fumarate hydratase-deficient renal cell carcinoma (FH-deficient RCC) without fumarate hydratase (FH) mutation (FH-deficient-like RCC). The International Metastatic RCC Database Consortium risk score was intermediate, and immunotherapy with nivolumab and ipilimumab (Ipi/ Nivo) was initiated. Four cycles of Ipi/Nivo and 5 cycles of nivolumab resulted in a complete response of the metastases. Hypophysitis occurred as an immune-related adverse event after four cycles of Ipi/Nivo. The prognosis of patients with FH-deficient RCC is generally poor. Few reports of FH-deficient RCC successfully treated with Ipi/Nivo have been published. Ipi/Nivo can be effective for treating FH-deficient RCC.

DOI： 10.18926/AMO/62237

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MUCINOUS CYSTADENOCARCINOMA IN THE RENAL HILUM: A CASE REPORT AND REVIEW OF THE LITERATURE

三宅修司, 岩田健宏, 長尾賢太郎, 河田達志, 富永悠介, 定平卓也, 西村慎吾, 高本篤, 佐古智子, 和田耕一郎, 枝村康平, 小林泰之, 荒木元朗, 渡部昌実, 渡邉豊彦, 久保寿夫, 柳井広之, 那須保友

西日本泌尿器科(Web) 83 ( 2 ) 100 - 105 2021.6

腎門部に発生した粘液嚢胞腺癌の1例

西日本泌尿器科 83 ( 1 ) 14 - 14 2021.6

Language：Japanese Publisher：(一社)西日本泌尿器科学会

症例は79歳,男性。2年前に検診にて左腎嚢胞と診断され近医で経過観察となっていたが,増大傾向であったため当科紹介となった。造影CT検査でBosniak分類category IVの左嚢胞性腎癌を疑い,腹腔鏡下左腎摘除術を施行した。術後病理結果から,粘液嚢胞腺癌(Mucinous cystadenocarcinoma)と診断した。術後補助化学療法は行わずに経過観察としていたが,術後3ヵ月後に多発肺転移が出現し,化学療法(カルボプラチン+パクリタキセル)を開始した。5コース投与後の肺転移はSDであったため,一旦化学療法中止で経過観察の方針としたが,5ヵ月後に肺転移は増大傾向を認めたため術後14ヵ月目よりニボルマブの投与を開始した。ニボルマブ2コース投与後のCTで肺転移は縮小し,5コース投与後もPRを維持しているため現在も投与継続中である。(著者抄録)

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Photodynamic diagnostic ureteroscopy using the VISERA ELITE video system for diagnosis of upper-urinary tract urothelial carcinoma: a prospective cohort pilot study. International journal

Koichiro Wada, Motoo Araki, Ryuta Tanimoto, Takuya Sadahira, Shogo Watari, Yuki Maruyama, Yosuke Mitsui, Hirochika Nakajima, Herik Acosta, Satoshi Katayama, Takehiro Iwata, Shingo Nishimura, Atsushi Takamoto, Tomoko Sako, Kohei Edamura, Yasuyuki Kobayashi, Masami Watanabe, Toyohiko Watanabe, Yasutomo Nasu

BMC urology 21 ( 1 ) 45 - 45 2021.3

Language：English Publishing type：Research paper (scientific journal)

BACKGROUND: The advantages of photodynamic diagnostic technology using 5-aminolevulinic acid (ALA-PDD) have been established. The aim of this prospective cohort study was to evaluate the usefulness of ALA-PDD to diagnose upper tract urothelial carcinoma (UT-UC) using the Olympus VISERA ELITE video system. METHODS: We carried out a prospective, interventional, non-randomized, non-contrast and open label cohort pilot study that involved patients who underwent ureterorenoscopy (URS) to detect UT-UC. 5-aminolevulinic acid hydrochloride was orally administered before URS. The observational results and pathological diagnosis with ALA-PDD and traditional white light methods were compared, and the proportion of positive subjects and specimens were calculated. RESULTS: A total of 20 patients were enrolled and one patient who had multiple bladder tumors did not undergo URS. Fifteen of 19 patients were pathologically diagnosed with UT-UC and of these 11 (73.3%) were ALA-PDD positive. Fourteen of 19 patients were ALA-PDD positive and of these 11 were pathologically diagnosed with UC. For the 92 biopsy specimens that were malignant or benign, the sensitivity for both traditional white light observation and ALA-PDD was the same at 62.5%, whereas the specificities were 73.1% and 67.3%, respectively. Of the 38 specimens that were randomly biopsied without any abnormality under examination by both white light and ALA-PDD, 11 specimens (28.9%) from 5 patients were diagnosed with high grade UC. In contrast, four specimens from 4 patients, which were negative in traditional white light observation but positive in ALA-PDD, were diagnosed with carcinoma in situ (CIS). CONCLUSIONS: Our results suggest that ALA-PDD using VISERA ELITE is not sufficiently applicable for UT-UC. Nevertheless, it might be better particularly for CIS than white light and superior results would be obtained using VISERA ELITE II video system. TRIAL REGISTRATION: The present clinical study was approved by the Okayama University Institutional Review Board prior to study initiation (Application no.: RIN 1803-002) and was registered with the UMIN Clinical Trials Registry (UMIN-CTR), Japan (Accession no.: UMIN000031205).

DOI： 10.1186/s12894-021-00819-2

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ロボット支援腹腔鏡下膀胱全摘除術〜現状の課題と今後の方向性〜岡山大学病院におけるRARC ICUD(回腸導管)

小林泰之, 西村慎吾, 岩田健宏, 枝村康平, 和田耕一郎, 荒木元朗, 渡辺豊彦, 那須保友

日本内視鏡外科学会雑誌 25 ( 7 ) SY16 - 2 2021.3

Prevention and control of perioperative complication of RAPN.

小林泰之, 荒木元朗, 枝村康平, 渡辺豊彦, 那須保友

月刊泌尿器科 13 ( 3 ) 323 - 325 2021.3

岡山大学病院における去勢抵抗性前立腺癌に対するドセタキセルの長期治療成績

河田達志, 高本篤, 横山周平, 宗田大二郎, 坪井一馬, 長尾賢太郎, 富永悠介, 岩田健宏, 西村慎吾, 佐古智子, 枝村康平, 小林泰之, 荒木元朗, 渡邉豊彦, 那須保友

西日本泌尿器科 82 ( 6 ) 605 - 605 2021.2

RETROPERITONEAL MALIGNANT PERIPHERAL NERVE SHEATH TUMOR ASSOCIATED WITH NEUROFIBROMATOSIS TYPE 1: A CASE REPORT

宗田大二郎, 岩田健宏, 定平卓也, 富永悠介, 片山聡, 西村慎吾, 高本篤, 佐古智子, 枝村康平, 小林泰之, 荒木元朗, 渡部昌実, 渡邉豊彦, 那須保友, 中田英二, 柳井広之

西日本泌尿器科 82 ( 6 ) 596 - 600 2021.2

Long-term ureteroscopic management of upper tract urothelial carcinoma: 28-year single-centre experience. International journal

Yuki Maruyama, Motoo Araki, Koichiro Wada, Kasumi Yoshinaga, Yosuke Mitsui, Takuya Sadahira, Shingo Nishimura, Kohei Edamura, Yasuyuki Kobayashi, Masami Watanabe, Toyohiko Watanabe, Manoj Monga, Yasutomo Nasu, Hiromi Kumon

Japanese journal of clinical oncology 51 ( 1 ) 130 - 137 2021.1

Language：English Publishing type：Research paper (scientific journal)

BACKGROUND: Long-term survival outcomes of patients who undergo endoscopic management of non-invasive upper tract urothelial carcinoma remain uncertain. The longest mean follow-up period in previous studies was 6.1 years. This study reports the long-term outcomes of patients with upper tract urothelial carcinoma who underwent ureteroscopic ablation at a single institution over a 28-year period. METHODS: We identified all patients who underwent ureteroscopic management of upper tract urothelial carcinoma as their primary treatment at our institution between January 1991 and April 2011. Survival outcomes, including overall survival, cancer-specific survival, upper-tract recurrence-free survival and renal unit survival, were estimated using Kaplan-Meier methodology. RESULTS: A total of 15 patients underwent endoscopic management, with a mean age at diagnosis of 66 years. All patients underwent ureteroscopy, and biopsy-confirmed pathology was obtained. Median (range; mean) follow-up was 11.7 (2.3-20.9, 11.9) years. Upper tract recurrence occurred in 87% (n = 13) of patients. Twenty percent (n = 3) of patients proceeded to nephroureterectomy. The estimated cancer-specific survival rate was 93% at 5, 10, 15 and 20 years. Estimated overall survival rates were 86, 80, 54 and 20% at 5, 10, 15 and 20 years. Only one patient experienced cancer-specific mortality. The estimated mean and median overall survival times were 14.5 and 16.6 years, respectively. The estimated mean cancer-specific survival time was not reached. CONCLUSIONS: Although upper tract recurrence is common, endoscopic management of non-invasive upper tract urothelial carcinoma provides a 90% cancer-specific survival rate at 20 years in selected patients.

DOI： 10.1093/jjco/hyaa132

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A Clinical Trial Evaluating the Usefulness of Tailored Antimicrobial Prophylaxis Using Rectal-culture Screening Media Prior to Transrectal Prostate Biopsy: A Multicenter, Randomized Controlled Trial.

Takuya Sadahira, Yuki Maruyama, Yoshiki Hiyama, Hiroyuki Kitano, Hiroki Yamada, Takayuki Goto, Tsubasa Kondo, Katsumi Shigemura, Yosuke Mitsui, Takehiro Iwata, Kohei Edamura, Motoo Araki, Masami Watanabe, Tadasu Takenaka, Jun Teishima, Yasuyoshi Miyata, Kiyohito Ishikawa, Ei-Ichiro Takaoka, Jun Miyazaki, Satoshi Takahashi, Naoya Masumori, Hiroshi Kiyota, Masato Fujisawa, Shingo Yamamoto, Takafumi Sakuma, Norihiro Kusumi, Takaharu Ichikawa, Toyohiko Watanabe, Yoshitsugu Nasu, Masaya Tsugawa, Yasutomo Nasu, Koichiro Wada

Acta medica Okayama 75 ( 5 ) 663 - 667 2021

Language：English Publishing type：Research paper (scientific journal)

The aim of this report is to introduce an on-going, multicenter, randomized controlled trial to evaluate whether tailored antimicrobial prophylaxis guided by rectal culture screening prevents acute bacterial prostatitis following transrectal prostate biopsy (TRPB). Patients will be randomized into an intervention or non-intervention group; tazobactam-piperacillin or levofloxacin will be prophylactically administered according to the results of rectal culture prior to TRPB in the intervention group whereas levofloxacin will be routinely given in the non-intervention group. The primary endpoint is the occurrence rate of acute bacterial prostatitis after TRPB. Recruitment begins in April, 2021 and the target total sample size is 5,100 participants.

DOI： 10.18926/AMO/62782

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Management of Groin Pain Using an Iliohypogastric Nerve Block in a Patient with Inguinal Hernia due to Persistent Müllerian Duct Syndrome. International journal

Takanori Sekito, Takuya Sadahira, Masahiro Sugihara, Kohei Edamura, Motoo Araki, Yasutomo Nasu

Case reports in urology 2021 7577632 - 7577632 2021

Language：English

Persistent Müllerian duct syndrome can cause an inguinal hernia, although this is a rare occurrence; recurrent inguinal hernias can, in turn, cause ongoing groin pain. Management of groin pain plays an important role in patients' quality of life. We present our experience with a 43-year-old man who had a 2-week history of left-sided groin pain. The patient underwent laparoscopic surgery for a left inguinal hernia via the transabdominal preperitoneal approach. Right-sided cryptorchidism was noted during surgery, with a solid structure-thought to be a uterus-extending into the left inguinal canal. The diagnosis was persistent Müllerian duct syndrome, and the groin pain was relieved after a laparoscopic right orchiectomy with a bilateral preperitoneal hernia repair using a mesh. Four years later, magnetic resonance imaging performed for new-onset left groin pain showed a left inguinal hernia caused by the uterine structure. We diagnosed the recurrent hernia as the cause of his pain. Prior to performing any invasive surgical procedures, an iliohypogastric nerve block was performed using 1% lidocaine. Short-term analgesia was provided by the block, improving his quality of life. He has been followed since then and has declined surgical neurectomy. An iliohypogastric nerve block can be an effective method of controlling groin pain caused by an inguinal hernia resulting from persistent Müllerian duct syndrome; the effectiveness of the nerve block will help determine whether surgical neurectomy is indicated for permanent pain control.

DOI： 10.1155/2021/7577632

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How to establish sustainable kidney transplant program at Okayama University

荒木元朗, 西村慎吾, 吉永香澄, 丸山雄樹, 山野井友昭, 定平卓也, 富永悠介, 岩田健宏, 片山聡, 佐古智子, 枝村康平, 小林泰之, 那須保友

腎移植・血管外科(CD-ROM) 33 ( 2 ) 67 - 71 2021

【地方の腎移植の継続と継承-組織・指導医の取り組みと今後の展望-】岡山大学における腎移植継承の取り組み

荒木元朗, 西村慎吾, 吉永香澄, 丸山雄樹, 山野井友昭, 定平卓也, 富永悠介, 岩田健宏, 片山聡, 佐古智子, 枝村康平, 小林泰之, 那須保友

腎移植・血管外科 33 ( 2 ) 67 - 71 2021

Language：Japanese Publisher：腎移植・血管外科研究会

1.岡山大学の腎移植の背景・歴史岡山大学泌尿器科は2009年に新しい腎移植プログラムを立ち上げ総計144例となった.成績も1年生存・生着率100%を維持している.2.人材確保医局員の確保から始まる.3.育成腎移植は幅広いテクニックが要求される.血管縫合糸は若手医師でも縫いやすく結紮もし易いGore-tex sutureを用いている.いい雰囲気でやることを心がけている.4.腎臓内科との連携術前術後連携を取るため腎移植カンファレンスを月一回行い情報共有している.5.教室内での他の領域の医師との関係腎移植チームのメンバーも腫瘍の手術やロボット手術を担当することによって腎移植のみに偏らない配慮をしている.6.働き方改革移植前後の管理の簡略化に努めている.(著者抄録)

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【ロボット手術の教育方法-それぞれの施設での試み-】岡山大学病院泌尿器科におけるロボット手術教育の現状

小林泰之, 岩田健宏, 西村慎吾, 高本篤, 佐古智子, 定平卓也, 枝村康平, 荒木元朗, 渡辺豊彦, 那須保友

Japanese Journal of Endourology 33 ( 2 ) 221 - 224 2020.12

Language：Japanese Publisher：(一社)日本泌尿器内視鏡学会

2009年にダビンチSが薬事承認、2012年にロボット支援下腹腔鏡下前立腺全摘除術が保険収載されて以来、ロボット手術は急激に普及している。岡山大学病院関連施設においても、この数年間でダビンチが急速に普及し、13台(岡山大学病院を含む)のダビンチが稼働し45名の術者が執刀を行っている。しかしながら、各々施設での手術方法、指導方法は全く同じではない。関連施設内での人事異動にともない、岡山大学病院においても、様々な背景を有する術者が在籍するようになり、同一施設内にも関わらず複数の手術方法が乱立した。この状態に当施設のロボット手術教育はうまく対応できず、2015年頃より周術期成績も悪化の傾向を示した。この問題を解決するために、腹腔鏡手術教育にて培った"手術内容を統一し手術内容の再現性を高め、短いラーニングカーブを目指す"というコンセプトを応用し、この状況を乗り越えようと試みている。(著者抄録)

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経皮的腎凍結療法の困難症例における術中CTと腹腔鏡の併用の有用性

荒木元朗, 関戸崇了, 平木隆夫, 宇賀麻由, 片山聡, 高本篤史, 枝村康平, 小林泰之, 渡邉豊彦, 那須保友

日本泌尿器内視鏡学会総会 34回 AV - 5 2020.11

UTUCに対するKidney-sparing surgeryの現状と課題岡山大学の手技と成績

和田耕一郎, 丸山雄樹, 荒木元朗, 小林泰之, 定平卓也, 高本篤, 佐古智子, 枝村康平, 渡邉豊彦, 那須保友

日本泌尿器内視鏡学会総会 34回 SY - 1 2020.11

Comparison of intracorporeal versus extracorporeal urinary diversion after robot-assisted radical cystectomy

小林泰之, 岩田健宏, 西村慎吾, 枝村康平, 和田耕一郎, 荒木元朗, 渡辺豊彦, 那須保友

Japanese Journal of Endourology (Web) 34回 ( 2 ) SY - 2 2020.11

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Papers - EDAMURA Kohei