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Author

Keiki Nagai

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2 papers indexed here

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Open access Sep 2026

Endoscopic Ultrasound‐Guided Gallbladder Drainage as a Bridge to Surgery for Acute Cholecystitis: A Comparative Study

ABSTRACT Objectives Gallbladder drainage is used for patients with acute cholecystitis (AC) who are unsuitable for emergency cholecystectomy. Percutaneous transhepatic gallbladder drainage (PTGBD), endoscopic ultrasound‐guided gallbladder drainage (EUS‐GBD), and endoscopic transpapillary GBD (ETGBD) are used as bridge‐...

Keiki Nagai, Yuji Fujita, Hiroki Uechi et al. · 0 citations
Open access Sep 2026

Endoscopic Papillectomy May Be a Feasible Treatment Option for Elderly Patients With Ampullary Tumors: A Multicenter Retrospective Study

Endoscopic papillectomy (EP) is a minimally invasive treatment for ampullary tumors; however, its safety in elderly patients remains unclear. We aimed to evaluate the feasibility and clinical outcomes of EP in this population.

N. Kasuga, Yusuke Kurita, Y. Sekino et al. · 0 citations

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