Hirotoshi Ishiwatari

Multicenter retrospective study of endoscopic ultrasound-guided biliary drainage for malignant biliary obstruction in Japan

Kazumichi Kawakubo, Hiroyuki Isayama, Hironari Kato et al. · Journal of Hepato-Biliary-Pancreatic Sciences · 2013 · 238 citations · Full text

Medicine, Internal Medicine, Surgery +17

High and low negative pressure suction techniques in EUS-guided fine-needle tissue acquisition by using 25-gauge needles: a multicenter, prospective, randomized, controlled trial

Taiki Kudo, Hiroshi Kawakami, Tsuyoshi Hayashi et al. · Gastrointestinal Endoscopy · 2014 · 91 citations · Full text

Nursing, Biomedical Engineering, Surgery +9

Early use of double-guidewire technique to facilitate selective bile duct cannulation: the multicenter randomized controlled EDUCATION trial

Naoki Sasahira, Hiroshi Kawakami, Hiroyuki Isayama et al. · Endoscopy · 2015 · 76 citations

Medicine, Clinical Sciences, Surgery +15

Rapid on‐site evaluation by endosonographer during endoscopic ultrasound‐guided fine needle aspiration for pancreatic solid masses

Tsuyoshi Hayashi, Hirotoshi Ishiwatari, Makoto Yoshida et al. · Journal of Gastroenterology and Hepatology · 2013 · 74 citations

Medicine, Oncology, Pathology +17

Treatment of pancreatic fibrosis with siRNA against a collagen-specific chaperone in vitamin A-coupled liposomes

Hirotoshi Ishiwatari, Yasushi Sato, Kazuyuki Murase et al. · Gut · 2012 · 72 citations · Full text

Medicine, Pharmaceutics, Pharmacology +17