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Preoperative Prognostic Nutritional Index is a significant predictive factor for posthepatectomy bile leakage

Nanashima A, Hiyoshi M, Imamura N, Yano K, Hamada T, Kai K, Nishida T, Uchise Y, Sakamoto R, Inomata M

Backgrounds/Aims: It is known that preoperative nutritional status can inf luence patient outcomes after hepatectomy. Prognostic Nutritional Index (PNI) is a useful parameter to ref lect patient outcomes undergoing gastro-intestinal...
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A Meta-Analysis of Slow Pull versus Suction for Endoscopic Ultrasound-Guided Tissue Acquisition

Nakai Y, Hamada T, Hakuta R, Sato T, Ishigaki K, Saito K, Saito T, Takahara N, Mizuno S, Kogure H, Koike K

Background/Aims: Endoscopic ultrasound (EUS)-guided tissue acquisition is widely utilized as a diagnostic modality for intra-abdominal masses, but there remains debate regarding which suction technique, slow pull (SP) or conventional suction...
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Endoscopic Ultrasound-Guided Tissue Acquisition by 22-Gauge Franseen and Standard Needles for Solid Pancreatic Lesions

Ishigaki K, Nakai Y, Oyama H, Kanai S, Suzuki T, Nakamura T, Sato T, Hakuta R, Saito K, Saito T, Takahara N, Hamada T, Mizuno S, Kogure H, Tada M, Isayama H, Koike K

Background/Aims: Recently, a three-plane symmetric nee- dle with Franseen geometry was developed for endoscopic ultrasound-guided fine needle biopsy (EUS-FNB). In this ret-rospective study, tissue acquisition per pass was compared between 22-gauge...
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Management of Difficult Bile Duct Stones by Large Balloon, Cholangioscopy, Enteroscopy and Endosonography

Nakai Y, Sato T, Hakuta R, Ishigaki K, Saito K, Saito T, Takahara N, Hamada T, Mizuno S, Kogure H, Tada M, Isayama H, Koike K

Endoscopic management of bile duct stones is now the standard of care, but challenges remain with difficult bile duct stones. There are some known factors associated with technically difficult bile...
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Clinical significance of preoperative nutritional parameter and patient outcomes after pancreatectomy: A retrospective study at two academic institute

Nanashima , Hiyoshi M, Imamura N, Yano K, Hamada T, Hamada R, Nagatomo K, Ikenoue M, Tobinaga S, Nagayasu T

BACKGROUNDS/AIMS: Preoperative nutritional status has been reported to influence patient outcomes after pancreatectomy. The Prognostic Nutritional Index (PNI) is a useful parameter to reflect the outcomes of patients undergoing gastrointestinal...
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A cohort study on the risk of hepatectomy and pancreatectomy after history of abdominal surgery on other organs

Nanashima , Hiyoshi M, Imamura N, Yano K, Hamada T, Wada T, Nishida T, Tsuchiya K, Kawano F, Ikeda T, Takeno S

BACKGROUNDS/AIMS: The present study analyzed the postoperative outcomes in patients who underwent hepatectomy or pancreatectomy, with a history of intra-abdominal surgery involving other organs, to elucidate surgical efficacy. METHODS: We examined...
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Usefulness of stent placement above the papilla, so-called, ‘inside stent’

Chantarojanasiri T, Kogure H, Hamada T, Nakai Y, Isayama H

Stent occlusion and cholangitis are common complications after endoscopic biliary stenting caused by duodenobiliary refluxes and food impaction. To prolong the stent patency, the concept of stenting above the papilla,...
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TOKYO criteria: Standardized reporting system for endoscopic biliary stent placement

Hamada T, Nakai Y, Isayama H

Placement of a plastic or metal stent via endoscopic retrograde cholangiopancreatography (ERCP) currently serves as the first-line procedure for obstructive jaundice and acute cholangitis. Dysfunction of the biliary stent causes...
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Groove Pancreatitis: Endoscopic Treatment via the Minor Papilla and Duct of Santorini Morphology

Chantarojanasiri T, Isayama H, Nakai Y, Matsubara , Yamamoto N, Takahara N, Mizuno S, Hamada T, Kogure H, Koike K

BACKGROUND/AIMS: Groove pancreatitis (GP) is an uncommon disease involving the pancreaticoduodenal area. Possible pathogenesis includes obstructive pancreatitis in the duct of Santorini and impaired communication with the duct of Wirsung,...
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A Case of Hailey-Hailey Disease with a Novel Nonsense Mutation in the ATP2C1 Gene

Yasuda H, Kanazawa N, Matsuda M, Hamada T, Furumura M, Hashimoto , Nakama T, Furukawa F

No abstract available.
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Endoscopic ultrasound-guided biliary drainage: Complications and their management

Isayama H, Nakai Y, Yamamoto N, Matsubara , Ito Y, Kogure H, Hamada T, Koike K

Endoscopic ultrasound-guided biliary drainage (EUS-BD), EUS-guided choledochoduodenostomy (EUS-CDS), and EUS-guided hepaticogastrostomy (EUS-HGS) can effectively palliate obstructive jaundice, but have not been well established yet. The incidence of complications is about...
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Antireflux Metal Stent as a First-Line Metal Stent for Distal Malignant Biliary Obstruction: A Pilot Study

Hamada T, Isayama H, Nakai Y, Togawa O, Takahara N, Uchino R, Mizuno S, Mohri D, Yagioka H, Kogure H, Matsubara , Yamamoto N, Ito Y, Tada M, Koike K

BACKGROUND/AIMS: In distal malignant biliary obstruction, an antireflux metal stent (ARMS) with a funnel-shaped valve is effective as a reintervention for metal stent occlusion caused by reflux. This study sought...
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Total Cholesterol Level for Assessing Pancreatic Insufficiency Due to Chronic Pancreatitis

Hirano K, Saito T, Mizuno S, Tada M, Sasahira N, Isayama H, Matsukawa , Umefune G, Akiyama D, Saito K, Kawahata S, Takahara N, Uchino R, Hamada T, Miyabayashi K, Mohri D, Sasaki T, Kogure H, Yamamoto N, Nakai Y, Koike K

BACKGROUND/AIMS: To determine the nutritional markers important for assessing the degree of pancreatic insufficiency due to chronic pancreatitis in routine clinical practice. METHODS: A total of 137 patients with chronic pancreatitis...
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Severe Bleeding and Perforation Are Rare Complications of Endoscopic Ultrasound-Guided Fine Needle Aspiration for Pancreatic Masses: An Analysis of 3,090 Patients from 212 Hospitals

Hamada T, Yasunaga H, Nakai Y, Isayama H, Horiguchi , Matsuda S, Fushimi K, Koike K

  • KMID: 1774550
  • Gut Liver.
  • 2014 Mar;8(2):215-218.
BACKGROUND/AIMS: Endoscopic ultrasound-guided fine needle aspiration (EUS-FNA) is useful for the pathological diagnosis of pancreatic masses, but patients are susceptible to severe bleeding and perforation. Because the incidence and severity...
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A Novel, Fully Covered Laser-Cut Nitinol Stent with Antimigration Properties for Nonresectable Distal Malignant Biliary Obstruction: A Multicenter Feasibility Study

Isayama H, Kawakubo K, Nakai Y, Inoue K, Gon C, Matsubara , Kogure H, Ito Y, Tsujino T, Mizuno S, Hamada T, Uchino R, Miyabayashi K, Yamamoto K, Sasaki T, Yamamoto N, Hirano K, Sasahira N, Tada M, Koike K

  • KMID: 1712334
  • Gut Liver.
  • 2013 Nov;7(6):725-730.
BACKGROUND/AIMS: Stent migration occurs frequently, but the prevention of complications resulting from covered self-expandable metal stents (C-SEMSs) remains unresolved. We prospectively assessed a newly developed C-SEMS, a modified covered Zeo...
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Percutaneous Transhepatic Biliary Drainage Using a Ligated Catheter for Recurrent Catheter Obstruction: Antireflux Technique

Hamada T, Tsujino T, Isayama H, Hakuta R, Ito Y, Nakata R, Koike K

  • KMID: 2135080
  • Gut Liver.
  • 2013 Mar;7(2):255-257.
Percutaneous transhepatic biliary drainage (PTBD) is an established procedure for biliary obstruction. However, duodenobiliary or jejunobiliary reflux of the intestinal contents through a PTBD catheter sometimes causes recurrent catheter obstruction...
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