Tokushima University / Educator and Researcher Directory --- Shiozaki, Keito

Search:

Tokushima University ⟩ University Hospital ⟩ Clinical Division ⟩ Department of Surgery ⟩ Urology ⟩

(Files for researchmap) [PDF manual] [Auto-propagate to researchmap]

Research

Field of Study

Subject of Study

Book / Paper

Academic Paper (Judged Full Paper):

1.	Ryotaro Tomida, Tomoya Fukawa, Yoshito Kusuhara, Keisuke Hashimoto, Marika Atagi, Fumiya Kadoriku, Testuhiro Yano, Mitsuki Nishiyama, Kyotaro Fukuta, Saki Kobayashi, Ryoei Minato, Keito Shiozaki, Kei Daizumoto, Yutaro Sasaki, Tadanori Hosokawa, Kazuyoshi Izumi, Iku Ninomiya, Kunihisa Yamaguchi, Yasuyo Yamamoto, Hirofumi Izaki, Takushi Naroda, Masahito Yamanaka, Kenjiro Okamoto and Junya Furukawa : Perioperative outcomes after Robot-assisted partial nephrectomy for very small (2cm) versus larger small (>2-4cm) renal tumors: a multi-institutional propensity score-matched study., Journal of Robotic Surgery, 20, 1, 2026. (Summary) The detection of incidentally identified small renal masses has increased, prompting greater use of nephron-sparing procedures. Robot-assisted partial nephrectomy (RAPN) is established for tumors4cm; however, evidence directly comparing its use for very small tumors (2cm) and slightly larger lesions (>2-4cm) is limited, particularly in Asian populations. We evaluated how tumor size affects perioperative outcomes, renal function preservation, and oncological safety in RAPN. The data of 649 Japanese patients who underwent RAPN for clinically localized renal cell carcinoma were retrospectively analyzed. Patients were grouped according to maximal tumor diameter (2cm or >2-4cm). Propensity score matching was performed to mitigate disparities in patient backgrounds including tumor complexity and location. Outcomes assessed included operative and console times, warm ischemia time, estimated blood loss (EBL), postoperative complications, trifecta and pentafecta achievement, renal functional preservation, and recurrence-free survival (RFS). After matching, 193 patient pairs were included. Tumors2cm were associated with significantly shorter operative and console times, lower warm ischemia, reduced EBL, fewer major complications, and higher trifecta achievement, compared with tumors>2-4cm. Renal function preservation was comparable between groups. Oncological outcomes were excellent in both cohorts, with 5-year RFS of 98.2% and 98.0% for tumors2cm and >2-4cm, respectively. RAPN for tumors2cm offers superior perioperative outcomes without compromising oncological control, compared with that for tumors>2-4cm. These findings support RAPN as a safe and effective nephron-sparing approach for managing incidentally detected sub-2cm renal tumors. (Keyword) Humans / Robotic Surgical Procedures / Nephrectomy / Kidney Neoplasms / Propensity Score / female / male / Retrospective Studies / Middle Aged / Aged / Treatment Outcome / Carcinoma, Renal Cell / Warm Ischemia / Postoperative Complications / Operative Time / Organ Sparing Treatments / Blood Loss, Surgical (Link to Publication Site) ● Publication site (DOI): 10.1007/s11701-026-03173-3 (Link to Search Site for Scientific Articles) ● PubMed @ National Institutes of Health, US National Library of Medicine (PMID): 41553579 ● Search Scopus @ Elsevier (PMID): 41553579 ● Search Scopus @ Elsevier (DOI): 10.1007/s11701-026-03173-3 (DOI: 10.1007/s11701-026-03173-3, PubMed: 41553579)

Academic Paper (Unrefereed Paper):

1.	Yutaro Sasaki, Keito Shiozaki, Ryotaro Tomida, Yoshito Kusuhara, Kunihisa Yamaguchi, Tomoya Fukawa, Yasuyo Yamamoto and Junya Furukawa : トロカー位置最適化と標本摘出に主眼をおいたロボット支援腎尿管摘除術, 第38回日本内視鏡外科学会総会，ワークショップ, 2025.
2.	Ryotaro Tomida, 安宅真利花, 角陸文哉, 矢野哲弘, 西山美月, 小林早紀, 湊亮詠, Keito Shiozaki, Kei Daizumoto, Yutaro Sasaki, Yoshito Kusuhara, Tomoya Fukawa, Yasuyo Yamamoto, Kunihisa Yamaguchi and Junya Furukawa : cT1非淡明細胞型腎細胞癌に対する腎部分切除術と根治的腎摘除術の予後, 日本癌治療学会学術集会抄録集, 63, P30-3, 2025.
3.	湊亮詠, Kei Daizumoto, 矢野哲弘, 角陸文哉, Keito Shiozaki, Yutaro Sasaki, Ryotaro Tomida, Yoshito Kusuhara, Tomoya Fukawa, Kunihisa Yamaguchi, Yasuyo Yamamoto, Junya Furukawa, 齋藤志穂, 斉藤大輔 and 山本真史 : カイコハナサナギタケ冬虫夏草の精子機能への影響, The Japanese Journal of Sexual Medicine, 40, 2, 253, 2025.
4.	福田喬太郎, Yutaro Sasaki, 角陸文哉, 泉和良, 宇都宮聖也, Keito Shiozaki, 中島英, 中西良一, Hirofumi Izaki and Junya Furukawa : 血液透析患者に対するロボット支援膀胱全摘除術の手術成績, Journal of Japanese Society for Dialysis Therapy, 58, Suppl.1, 1008, 2025.
5.	Yutaro Sasaki, Keito Shiozaki, Yoshito Kusuhara, Tomoya Fukawa, Hirofumi Izaki, Masayuki Takahashi and Junya Furukawa : RARC,ICUDの標準化において,Patient side surgeonの役割は重要である, 日本ロボット外科学会学術集会プログラム・抄録集, 17th, 2025.
6.	Yutaro Sasaki, Keito Shiozaki, Yoshito Kusuhara, Tomoya Fukawa, Hirofumi Izaki, Masayuki Takahashi and Junya Furukawa : 高齢患者に対するロボット支援体腔内尿路変向術, 日本ロボット外科学会学術集会プログラム・抄録集, 17th, 2025.
7.	Yutaro Sasaki, Kunihisa Yamaguchi, Keito Shiozaki, 尾崎啓介, Ryotaro Tomida, Tomoya Fukawa, Masayuki Takahashi and Junya Furukawa : ADPKD患者に対する腎移植術の周術期成績と自己腎体積の変化, 日本臨床腎移植学会プログラム・抄録集, 58th, 2025.

Proceeding of Domestic Conference:

1.	Yutaro Sasaki, Keito Shiozaki, Ryotaro Tomida, Yoshito Kusuhara, Kunihisa Yamaguchi, Tomoya Fukawa, Yasuyo Yamamoto and Junya Furukawa : ヴァスガイド:ロボット支援手術での血管テーピングを安全・円滑に行う革新的デバイス, 第38回日本内視鏡外科学会総会，医工連携セッションパネルディスカッション, Dec. 2025.
2.	Yutaro Sasaki, Keito Shiozaki, Ryotaro Tomida, Yoshito Kusuhara, Kunihisa Yamaguchi, Tomoya Fukawa, Yasuyo Yamamoto and Junya Furukawa : RARCおよびICUDにおける術中合併症とその対策, 第38回日本内視鏡外科学会総会，シンポジウム, Dec. 2025.

Grants-in-Aid for Scientific Research (KAKEN Grants Database @ NII.ac.jp)

Search by Researcher Number (31001464)