Publications by authors named "Ryo Ohta"

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High Score of ELST-Blue in Endoscopic Ultrasonography Strain Elastography May Provide a High Risk Group of Early Chronic Pancreatitis with the Reduction of Apolipoprotein A2-i Index.
Ken Nakamura, Seiji Futagami, Shuhei Agawa, Sakura Higashida, Tomohide Tanabe, Ryo Ohta

DEN Open· April 2026

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Usefulness of the BirdView™ in preventing devices from being lost visual field during robotic surgery using the Hugo™ RAS system: a prospective study.
Hiroyuki Egi, Minoru Hattori, Shinichiro Chino, Motohiro Chuman, Masahiro Maruyama, Ryo Ohta

Surg Endosc· November 2025

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Operative Time as a Universal Risk Factor for Infectious Complications after Colorectal Cancer Surgery: A Multicenter Stratified Analysis by Surgical Site.
Takao Shimizu, Takeshi Yamada, Takuya Nishino, Kay Uehara, Akihisa Matsuda, Ryo Ohta

J Anus Rectum Colon· November 2025

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Safety of Delayed Operation for Small Bowel Obstruction: Nationwide Real-World Data Analysis.
Takeshi Yamada, Takuya Oba, Kay Uehara, Akihisa Matsuda, Makoto Otani, Ryo Ohta

J Am Coll Surg· August 2025

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Detection of KRAS Mutations Using Extracellular Vesicle DNA in Colorectal Cancer Patients.
Sho Kuriyama, Takeshi Yamada, Toshimitsu Miyasaka, Kay Uehara, Ryo Ohta

Cancer Sci· June 2025

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Candidate Anxiety-Related Genes in the Hippocampus of Hatano Male Rats: Anxiolytic Action of Neuromedin U in the Hippocampus.
Kaito Sato, Atsuhiro Ishii, Shohei Kobayashi, Taichi Hatakeyama, Gen Watanabe, Ryo Ohta

Neuropsychopharmacol Rep· June 2025

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Impact of Minimal Residual Disease on Early Recurrence of Liver Metastatic Colorectal Cancer.
Mampei Kawashima, Takeshi Yamada, Toshimitsu Miyasaka, Shintaro Kanaka, Sho Kuriyama, Ryo Ohta

Cancer Sci· May 2025

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Oncologic investigation of the interval from stent placement to surgery in patients with obstructive colorectal cancer.
Shintaro Kanaka, Akihisa Matsuda, Takeshi Yamada, Yasuyuki Yokoyama, Satoshi Matsumoto, Ryo Ohta

Surg Today· September 2024

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Three Patients of the Early Onset Epileptic Spasms without Hypsarrhythmia.
Ikko Ohshiro, Tohru Okanishi, Ryo Ohta, Kento Ohta, Yuto Arai

Neuropediatrics· August 2024

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Pks-positive Escherichia coli in tumor tissue and surrounding normal mucosal tissue of colorectal cancer patients.
Toshimitsu Miyasaka, Takeshi Yamada, Kay Uehara, Hiromichi Sonoda, Akihisa Matsuda, Ryo Ohta

Cancer Sci· April 2024

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Characterization of an uncooled mid-infrared Schottky photodetector based on a 2D Au/PtSi/p-Si nanohole array at a higher light modulation frequency.
Ashenafi Abadi, Eslam Abubakr, Masaaki Oshita, Daiji Noda, Ryo Ohta

Appl Opt· March 2024

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The T-CEA score: a useful prognostic indicator based on postoperative CEA and pathological T4 levels for patients with stage II-III colorectal cancer.
Hiromichi Sonoda, Takeshi Yamada, Akihisa Matsuda, Yasuyuki Yokoyama, Ryo Ohta

Surg Today· August 2023

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Intradiscal Condoliase Injection Therapy for Recurrent Lumbar Disc Herniation: Case Series and Literature Review.
Hiroki Fukui, Naosuke Kamei, Yasushi Fujiwara, Toshio Nakamae, Ryo Ohta

Medicina (Kaunas)· August 2023

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Analysis of Circulating DNA to Assess Prognoses for Metastatic Colorectal Cancer Patients Treated with Regorafenib Dose-Escalation Therapy: A Retrospective, Exploratory Analysis of the RECC Trial.
Ryo Ohta, Takeshi Yamada, Masato Nakamura, Masanobu Enomoto, Makoto Takahashi

Digestion· June 2023

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Surgical Site Infections in Gastroenterological Surgery.
Akihisa Matsuda, Takeshi Yamada, Ryo Ohta, Hiromichi Sonoda, Seiichi Shinji

J Nippon Med Sch· March 2023

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Bidirectional effects of voluntary exercise on the expression of Bdnf isoforms in the hippocampus of Hatano rat strains displaying different activity levels.
Shuichi Chiba, Hikaru Asano, Shogo Moriya, Taichi Hatakeyama, Shohei Kobayashi, Ryo Ohta

Neuropsychopharmacol Rep· March 2023

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Segmental or right hemi-colectomy? The optimal surgical procedure for transverse colon cancer: a propensity score-matched, multicenter, retrospective study.
Shintaro Kanaka, Akihisa Matsuda, Takeshi Yamada, Yuji Miyamoto, Yasuyuki Yokoyama, Ryo Ohta

Int J Colorectal Dis· March 2023

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Postoperative infectious complications have a negative oncological impact in patients after stent placement with malignant large bowel obstruction.
Akihisa Matsuda, Takeshi Yamada, Goro Takahashi, Satoshi Matsumoto, Yasuyuki Yokoyama, Ryo Ohta

Int J Colorectal Dis· January 2023

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Biweekly TAS-102 and bevacizumab as third-line chemotherapy for advanced or recurrent colorectal cancer: a phase II, multicenter, clinical trial (TAS-CC4 study).
Hiroshi Matsuoka, Takeshi Yamada, Ryo Ohta, Yoichiro Yoshida, Tatsuyuki Watanabe

Int J Clin Oncol· December 2022

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Biomarkers for anti-vascular endothelial growth factor drugs.
Sho Kuriyama, Takeshi Yamada, Akihisa Matsuda, Goro Takahashi, Takuma Iwai, Ryo Ohta

Oncol Lett· December 2022

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Clinical impact of laparoscopic surgery and adhesion prevention material for prevention of small bowel obstruction.
Takeshi Yamada, Keiji Hirata, Daisuke Ichikawa, Masataka Ikeda, Fumihiko Fujita, Ryo Ohta

Ann Gastroenterol Surg· September 2022

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Efficacy and safety of regorafenib dose-escalation therapy for Japanese patients with refractory metastatic colorectal cancer (RECC study).
Shun Ishiyama, Takeshi Yamada, Masato Nakamura, Masanobu Enomoto, Kiichi Sugimoto, Ryo Ohta

Int J Clin Oncol· August 2022

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Possible effects of voluntary exercise intensity on anxiety-like behavior and its underlying molecular mechanisms in the hippocampus: Results from a study in Hatano rats.
Hikaru Asano, Shogo Moriya, Taichi Hatakeyama, Shohei Kobayashi, Takahiro Akimoto, Ryo Ohta

Behav Brain Res· June 2022

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[Long-Term Response to UFT/UZEL/Bevacizumab Therapy for Lung Metastasis after Surgery for Early-Stage Colon Cancer in a Late-Stage Elderly Patient].
Kazuhide Yonaga, Takeshi Yamada, Akihisa Matsuda, Hiromichi Sonoda, Seiichi Shinji, Ryo Ohta

Gan To Kagaku Ryoho· May 2022

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Room-temperature plasmonic mid-infrared photodetector based on PtSi/p-Si low Schottky-barrier junction.
Masahiko Shiraishi, Daiji Noda, Ryo Ohta, Tetsuo Kan

Appl Opt· May 2022

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