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    Article

    Increased risk of incisional hernia after stoma closure in patients with colorectal cancer

    Stoma construction and closure are common surgical strategies in patients with colorectal cancer. The present study evaluated the influence of multiple incisional sites resulting from stoma closure on incision...

    Naoki Takada, Yasuhiro Takano, Atsuko Okamoto, Takafumi Nakano in Surgery Today (2024)

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    Article

    High-output stoma is a risk factor for stoma outlet obstruction in defunctioning loop ileostomies after rectal cancer surgery

    Defunctioning loop ileostomy has been reported to reduce symptomatic anastomotic leakage after rectal cancer surgery; however, stoma outlet obstruction (SOO) is a serious postileostomy complication. We, theref...

    Yuta Imaizumi, Yasuhiro Takano, Atsuko Okamoto, Takafumi Nakano in Surgery Today (2024)

  3. No Access

    Article

    Preoperative fluorescent clip marking vs. India ink tattooing for tumor identification during colorectal surgery

    Identifying tumor location is important in colorectal tumor resection. Preoperative endoscopic India ink marking is a widespread practice, but local injection of ink is an unstable procedure. Although it is of...

    Takahiro Kitagawa, Shun** Ryu, Keisuke Goto in International Journal of Colorectal Disease (2023)

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    Article

    Intraoperative Tumor Identification During Laparoscopic Distal Gastrectomy: a Novel Fluorescent Clip Marking Versus Metal Clip Marking and Intraoperative Gastroscope

    In complete laparoscopic distal gastrectomy, the gastric resection line is difficult to determine due to a lack of tactile sensation. The use of intraoperative gastroscopy and intraoperative radiography has be...

    Keigo Hara, Shun** Ryu, Atsuko Okamoto in Journal of Gastrointestinal Surgery (2022)

  5. No Access

    Article

    Fluorescence angiography vs. direct palpation for bowel viability evaluation with strangulated bowel obstruction

    In surgery for strangulated bowel obstruction, intestinal blood flow (IBF) is usually evaluated by observing bowel colour, peristalsis, intestinal temperature and arterial pulsations in the mesentery. We inves...

    Shun** Ryu, Keigo Hara, Keisuke Goto, Atsuko Okamoto in Langenbeck's Archives of Surgery (2022)

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    Article

    Fluorescence vessel and ureter navigation during laparoscopic lateral lymph node dissection

    Lateral lymph node metastasis in lower rectal cancer is considered a local disease in Japan, and guidelines suggest lateral lymph node dissection (LLND). However, laparoscopic procedures are relatively difficult.

    Shun** Ryu, Keigo Hara, Takahiro Kitagawa in Langenbeck's Archives of Surgery (2022)

  7. Article

    Open Access

    Safety profile and risk factors for bleeding in transbronchial cryobiopsy using a two-scope technique for peripheral pulmonary lesions

    A balloon occlusion technique is suggested for use in cryobiopsy for interstitial lung diseases because of the bleeding risk. However, it may interfere with selection of the involved bronchus for peripheral pu...

    Toshiyuki Nakai, Tetsuya Watanabe, Yuto Kaimi, Koichi Ogawa in BMC Pulmonary Medicine (2022)

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    Article

    Ureteral navigation using a fluorescent ureteral catheter during laparoscopic colorectal surgery

    Ureteral injury is the most common urological complication of pelvic surgery, with a reported incidence during colon resection of 0.3–1.5%. Ureteral stenting is commonly performed preoperatively to prevent ure...

    Shun** Ryu, Atsuko Okamoto, Keigo Nakashima, Keigo Hara, Kota Ishida in Surgical Endoscopy (2021)

  9. Article

    Open Access

    Spontaneous regression of breast cancer with immune response: a case report

    Spontaneous regression (SR) is a rare phenomenon in which a cancer disappears or remits without treatment. We report a case of breast cancer that showed spontaneous tumor regression in the surgical specimen af...

    Masahiro Ohara, Yumiko Koi, Tatsunari Sasada, Keiko Kajitani in Surgical Case Reports (2021)

  10. Article

    Open Access

    Correlation between disease activity and serum ferritin in clinically amyopathic dermatomyositis with rapidly-progressive interstitial lung disease: a case report

    Clinically amyopathic dermatomyositis with anti-Melanoma Differentiation-Associated gene 5 (MDA5) antibody often presents with severe interstitial lung disease. Although serum ferritin level is known to reflec...

    Kazuhiro Yamada, Kazuhisa Asai, Atsuko Okamoto, Tetsuya Watanabe in BMC Research Notes (2018)

  11. Article

    Open Access

    Abstracts from the 8th International Conference on cGMP Generators, Effectors and Therapeutic Implications

    G. Todd Milne, Peter Sandner, Kathleen A. Lincoln in BMC Pharmacology and Toxicology (2017)

  12. Article

    Open Access

    Atrial natriuretic peptide protects against bleomycin-induced pulmonary fibrosis via vascular endothelial cells in mice

    Pulmonary fibrosis is a life-threatening disease characterized by progressive dyspnea and worsening pulmonary function. Atrial natriuretic peptide (ANP), a heart-derived secretory peptide used clinically in Ja...

    Atsuko Okamoto, Takashi Nojiri, Kazuhisa Konishi, Takeshi Tokudome in Respiratory Research (2017)