Faculty Profiles - NASU Yasutomo

Papers - NASU Yasutomo

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Efficacy of Lactobacillus vaginal suppositories for the prevention of recurrent cystitis: A phase II clinical trial

Sadahira T, Wada K, Araki M, Mitsuhata R, Yamamoto M, Maruyama Y, Iwata T, Watanabe M, Watanabe T, Kariyama R, Nasu Y, Ishii A

INTERNATIONAL JOURNAL OF UROLOGY 2021

Comparison of intracorporeal versus extracorporeal urinary diversion after robot-assisted radical cystectomy at a medium-sized facility

Iwata T, Kobayashi Y, Maruyama Y, Kawad T, Sadahira T, Oiwa Y, Katayama S, Nishimura S, Takamoto A, SakoT, Wada K, Edamura K, Araki M, Watanabe M, Watanabe T, Nasu Y

Int J Clin Oncol 2021

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

PubMed

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【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

【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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Surgical treatment for a periurethral diverticulum with dysuria: A case reports

Satoko Matsuo, Ryuta Tanimoto, Morito Sugimoto, Tomoyasu Tsushima, Aya Nakamura, Takuya Sadahira, Shogo Watari, Yasuyuki Kobayashi, Motoo Araki, Toyohiko Watanabe, Yasutomo Nasu

Nishinihon Journal of Urology 82 ( 5 ) 514 - 517 2020.12

Language：Japanese Publishing type：Research paper (scientific journal) Publisher：The West Japan Urological Association

A 46-year-old woman visited a urological clinic with the chief complaint of urinary frequency and dysuria. She had been examined with regular follow-up MRI following excision of a uterine fibroid, which had revealed a cystic lesion around the urethra. Her symptoms did not improve under medical treatment, so she was then referred to our hospital for further treatment. Abdominal ultrasound revealed no post-void residual urine but a cystic lesion around the urethra. Internal examination indicated an elastic soft mass below the anterior vaginal wall. Communication between the cystic lesion and the urethra was observed with cystourethroscopy when the cystic lesion was punctured in a transvaginal way and injected with indigo carmine. Her symptoms improved for a while, however, nine months later, the cystitis symptoms recurred, and MRI showed an enlarged cystic lesion. Transvaginal urethral diverticulectomy was then performed. The communication of diverticulum with the urethra was closed, and the mucosal lining within the diverticulum was removed as much as possible. The periurethral fascia and vaginal wall were closed, respectively. The patient had no perioperative complications and no recurrent urinary symptoms.

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腎門部腫瘍に対するロボット支援腎部分切除術の有効性を評価する多施設共同臨床試験

日向信之, 白木良一, 田邉一成, 江藤正俊, 武中篤, 川喜田睦司, 原勲, 本郷文弥, 伊夫貴直和, 那須保友, 松原昭郎, 河合憲康, 河内明宏, 近藤恒徳, 川守田直樹, 大山力, 堀江重郎, 新保正貴, 後藤百万, 金山博臣, 小糸悠也, 藤澤正人, ROBOHIT Study Group

日本泌尿器科学会総会 108回 1760 - 1760 2020.12

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

RALP術中にモノポーラーシザースのチップカバーが脱落し、発見が困難であった一例

長尾賢太郎, 宗田大二郎, 岩田健宏, 佐古智子, 枝村康平, 小林泰之, 荒木元朗, 渡邉豊彦, 那須保友

日本泌尿器内視鏡学会総会 34回 O - 2 2020.11

初心者向けの新術式一筆書きHoLEPの提案と教育効果について

富永悠介, 宗田大二郎, 坪井一馬, 岩田健宏, 佐古智子, 枝村康平, 小林泰之, 荒木元朗, 渡邉豊彦, 那須保友

日本泌尿器内視鏡学会総会 34回 O - 4 2020.11

岡山大学病院におけるBioJetシステムを用いたMRI/US融合下経会陰的前立腺生検の初期

高本篤, 河田達志, 小林泰之, 岩田健宏, 西村慎吾, 佐古智子, 枝村康平, 荒木元朗, 渡邉豊彦, 那須保友

日本泌尿器内視鏡学会総会 34回 O - 1 2020.11

これから始めるロボット支援下仙骨腟固定術ロボット支援腹腔鏡下仙骨腟固定術の導入に向けて

佐古智子, 岩田健宏, 西村慎吾, 高本篤, 枝村康平, 小林泰之, 荒木元朗, 石井亜矢乃, 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

腹腔鏡技術認定医実際の教育現場を紹介します! 岡山大学泌尿器科における腹腔鏡教育

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

日本泌尿器内視鏡学会総会 34回 SY - 1 2020.11

当院におけるロボット支援腹腔鏡下腎部分切除術後再発症例の検討

河田達志, 坪井一馬, 西村慎吾, 高本篤, 佐古智子, 枝村康平, 小林泰之, 荒木元朗, 渡邉豊彦, 那須保友

日本泌尿器内視鏡学会総会 34回 P - 2 2020.11

Combined Laparoscopic and CT Monitoring of the Ice-Ball Margin during Cryoablation for Renal Cell Carcinoma Associated with von Hippel-Lindau Disease: First Case.

Takanori Sekito, Motoo Araki, Takao Hiraki, Mayu Uka, Toshiyuki Komaki, Yusuke Matsui, Toshihiro Iguchi, Satoshi Katayama, Kasumi Yoshinaga, Shogo Watari, Yuki Maruyama, Yosuke Mitsui, Risa Kubota, Takuya Sadahira, Shingo Nishimura, Koichiro Wada, Atsushi Takamoto, Kohei Edamura, Tomoko Sako, Yasuyuki Kobayashi, Toyohiko Watanabe, Susumu Kanazawa, Yasutomo Nasu

Acta medica Okayama 74 ( 5 ) 443 - 448 2020.10

Language：English

We report a 47-year-old Japanese female with 10 previous treatments for multiple bilateral renal cell carcinoma (RCC) associated with von Hippel-Lindau disease. The 14-mm right lower pole renal tumor was in contact with the right ureter. Laparoscopic cryoablation was performed to protect the ureter wrapped with gauze. Computed tomography (CT) monitoring was used to confirm the precise ≥ 6 mm ice-ball margin. There was no local progression at 6-months post-surgery. The serum creatinine has been stable. This is apparently the first report of combined laparoscopic and CT monitoring of an ice-ball formation and its margin during cryoablation for RCC.

DOI： 10.18926/AMO/60806

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Low-dose rituximab induction therapy is effective in immunological high-risk renal transplantation without increasing cytomegalovirus infection. International journal

Kasumi Yoshinaga, Motoo Araki, Koichiro Wada, Yuki Maruyama, Yosuke Mitsui, Takuya Sadahira, Risa Kubota, Shingo Nishimura, Yasuyuki Kobayashi, Hidemi Takeuchi, Katsuyuki Tanabe, Masashi Kitagawa, Hiroshi Morinaga, Haruhito Adam Uchida, Shinji Kitamura, Hitoshi Sugiyama, Jun Wada, Masami Watanabe, Toyohiko Watanabe, Yasutomo Nasu

International journal of urology : official journal of the Japanese Urological Association 27 ( 12 ) 1136 - 1142 2020.10

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

OBJECTIVES: To analyze the effect and impact of low-dose rituximab induction therapy on cytomegalovirus infection in living-donor renal transplantation. METHODS: A total of 92 recipients undergoing living-donor renal transplantation at Okayama University Hospital from May 2009 to August 2018 were evaluated retrospectively. Indications for preoperative rituximab (200 mg/body) were the following: (i) ABO major mismatch; (ii) ABO minor mismatch; (iii) donor-specific anti-human leukocyte antigen antibody-positive; and (iv) focal segmental glomerulosclerosis. We excluded four recipients who were followed <3 months, five who received >200 mg/body rituximab and seven who received prophylactic therapy for cytomegalovirus. RESULTS: There were 59 patients in the rituximab group and 17 in the non-rituximab group. Groups differed significantly in age (median age 53 vs 37 years, respectively; P = 0.04), but not in sex (male 64% vs 65%, P = 1.00), focal segmental glomerulosclerosis (3% vs 0%, P = 1.00) or percentage of cytomegalovirus-seronegative recipients of renal allografts from cytomegalovirus-seropositive donors (12% vs 18%, P = 0.68). The estimated glomerular filtration rate did not differ significantly between groups until 24 months after transplantation. Cytomegalovirus clinical symptoms (10% vs 24%, P = 0.22), including fever ≥38°C (5% vs 12%, P = 0.31) and gastrointestinal symptoms (5% vs 12%, P = 0.31), and the 5-year survival rates of death-censored graft loss (90% vs 83%, P = 0.43) did not differ significantly between groups. CONCLUSIONS: Low-dose rituximab induction therapy is effective in immunological high-risk recipients without increasing cytomegalovirus infection in the absence of valganciclovir prophylaxis.

DOI： 10.1111/iju.14382

PubMed

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Aspects of Gene Therapy Products Using Current Genome-Editing Technology in Japan. International journal

Teruhide Yamaguchi, Eriko Uchida, Takashi Okada, Keiya Ozawa, Masafumi Onodera, Akihiro Kume, Takashi Shimada, Satoru Takahashi, Kenzaburo Tani, Yasutomo Nasu, Tomoji Mashimo, Hiroyuki Mizuguchi, Kohnosuke Mitani, Kazushige Maki

Human gene therapy 31 ( 19and20 ) 1043 - 1053 2020.10

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

The development of genome-editing technology could lead to breakthrough gene therapy. Genome editing has made it possible to easily knock out or modify a target gene, while current gene therapy using a virus vector or plasmid hampering modification with respect to gene replacement therapies. Clinical development using these genome-editing tools is progressing rapidly. However, it is also becoming clear that there is a possibility of unintended gene sequence modification or deletion, or the insertion of undesired genes, or the selection of cells with abnormalities in the cancer suppressor gene p53; these unwanted actions are not possible with current gene therapy. The Science Board of the Pharmaceuticals and Medical Devices Agency of Japan has compiled a report on the expected aspects of such genome-editing technology and the risks associated with it. This article summarizes the history of that discussion and compares the key concepts with information provided by other regulatory authorities.

DOI： 10.1089/hum.2020.156

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Correlation between lumbar skeletal muscle size and urinary incontinence after radical prostatectomy. International journal

Yosuke Mitsui, Takuya Sadahira, Toyohiko Watanabe, Motoo Araki, Yuki Maruyama, Ryota Sato, Acosta Gonzalez Herik Rodrigo, Koichiro Wada, Masami Watanabe, Michael B Chancellor, Yasutomo Nasu

Lower urinary tract symptoms 12 ( 3 ) 245 - 252 2020.9

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

OBJECTIVES: Urinary incontinence is a major concern after radical prostatectomy because it can decrease quality of life. The aim of the present study was to explore the effect of preoperative skeletal muscle on urinary quality of life after robot-assisted radical prostatectomy. METHODS: A total of 762 patients underwent robot-assisted radical prostatectomy. Longitudinal health-related quality of life was evaluated using the Expanded Prostate Cancer Index Composite instrument. The skeletal muscle area at the level of the third lumbar vertebra was assessed preoperatively by computed tomography and was standardized to height to obtain the skeletal muscle index. Reduced skeletal muscle size (RSMS) was defined as a skeletal muscle index ≤ 53 or ≤ 43 cm2 /m2 in patients with a body mass index (BMI) ≥25 or < 25, respectively. RESULTS: A total of 301 patients were included in this study, of whom 91 were classified as having RSMS (30.2%). Non-RSMS patients exhibited better urinary function at 12 months (P = .012) and better urinary continence recovery at 2 weeks and 12 months (P = .033 and P = .014, respectively) after prostatectomy compared with RSMS patients. Univariate and multivariate analyses identified preoperative RSMS as a significant and independent predictor of urinary incontinence (odds ratio = 1.77, P = .028). CONCLUSIONS: Patients with RSMS had a lower urinary quality of life compared with non-RSMS patients after robot-assisted radical prostatectomy, and RSMS, independent of age or BMI, was predictive of postoperative urinary incontinence.

DOI： 10.1111/luts.12312

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Tumor suppressor REIC/Dkk-3 and its interacting protein SGTA inhibit glucocorticoid receptor to nuclear transport

Iwata T, Sadahira T, Ochiai K, Ueki H, Sasaki T, Haung P, Araki M, Watanabe T, Nasu Y, Watanabe M

20 ( 2 ) 1739 - 1745 2020.8

性同一性障害における泌尿器科の役割

富永悠介, 佐古智子, 松本裕子, 杉本盛人, 那須保友

泌尿器科 12 ( 2 ) 191 - 196 2020.8

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Papers - NASU Yasutomo