Shingo Shimada

Impact of Surgical Factors and Postoperative Immune Status on Prognosis After Resection of Colorectal Liver Metastasis

Akihisa Nagatsu, Tatsuhiko Kakisaka, Shunsuke Shichi, YUKI FUJII et autres

BACKGROUND/AIM: This study aimed to evaluate the impact of surgical factors and postoperative complications on survival after resection of colorectal liver metastases and to identify postoperative prognostic immune markers. PATIENTS AND METHODS: We retrospectively reviewed 118 patients who underwent hepatic resection for …

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Usefulness and safety of preoperative portal vein embolization in older adults: A STROBE-compliant observational study

Yuzuru Sakamoto, Shingo Shimada, T KAMIYAMA, Yoh Asahi et autres

With the continuing global trend of population aging, the number of older patients who require hepatectomy for malignant or benign liver diseases is steadily increasing. Postoperative liver failure remains one of the major causes of mortality after major hepatic resection, particularly among …

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Molecular Characterization of Pancreatic Simple Mucinous Cysts With GNAS Mutation: A Case Report and Literature Review

Shoichiro Mizukami, Koji Imai, Hiroyuki Takahashi, Shingo Shimada et autres

OBJECTIVES: Pancreatic simple mucinous cysts (SMCs) are characterized by cystic lesions >1 cm in size, lacking ovarian-type stroma and lined by a single layer of bland epithelium. Although SMCs are typically considered benign, sporadic cases with KRAS mutations suggest its potential inclusion …

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Impact of Frailty on Physical Activity in the Postoperative Period After Liver Transplant Surgery: Pilot Study Using Fitbit Watch

Tayseer Shamaa, Lisa Allenspach, Omar Shamaa, Omar Hage‐Hassan et autres

INTRODUCTION: Robust physical activity after liver transplant (LT) is an important determinant of long-term health. This pilot study aimed to evaluate whether a physical activity monitor (PAM) can be employed to monitor postoperative physical activity levels after LT. METHODS: Adult patients undergoing …

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Liver resection that is less extensive than segmentectomy for hepatocellular carcinoma focused on the fourth branch of the portal vein

Shingo Shimada, Hiroyuki Takahashi, Shoichiro Mizukami, Yuki Adachi et autres

The optimal location of the portal branch to be removed by liver resection that is less than a segmentectomy for patients with hepatocellular carcinoma (HCC) is elusive. This study examines the impact of removing the fourth branch on postsurgical outcomes. HCC patients …

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Tocilizumab treatment for inflammatory dedifferentiated liposarcoma: pre- and post-treatment imaging and pathological changes

Yuka Nishida, Shingo Shimada

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Serum IgG4-Negative Focal Autoimmune Pancreatitis Type 1 That Was Difficult to Diagnose Preoperatively Even with Frequent Endoscopic Ultrasound-Guided Fine-Needle Aspiration and Fine-Needle Biopsy: A Surgical Case Report

Shoichiro Mizukami, Koji Imai, Hiroki Takahata, Hiroyuki Takahashi et autres

Introduction: Focal autoimmune pancreatitis (AIP) without elevated serum IgG4 levels presents a diagnostic challenge compared to pancreatic tumors, often leading to surgical intervention. Case Presentation: We report a case of serum IgG4-negative focal AIP type 1 in a 52-year-old male. Despite repeated …

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Role of Heavy Water in Modified University of Wisconsin Solution for Extended Cold Storage of Rat Liver

Moto Fukai, Kengo Shibata, S Sakamoto, Takahisa Ishikawa et autres

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Exception Policy Change Increased the Simultaneous Kidney–Liver Transplant Probability of Polycystic Disease in the Centers With High Median MELD at Transplantation

Katsunori Miyake, Dean Y. Kim, Lucy Chau, Sheri Trudeau et autres

BACKGROUND: In 2019, Organ Procurement and Transplantation Network/United Network for Organ Sharing changed the exception policy for liver allocation to the median model for end-stage liver disease at transplantation (MMaT). This study evaluated the effects of this change on-waitlist outcomes of simultaneous …

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Improved Waitlist Outcomes in Liver Transplant Patients With Mid-MELD-Na Scores Listed in Centers Receptive to Use of Organs Donated After Circulatory Death

Katsunori Miyake, Lucy Chau, Sheri Trudeau, Toshihiro Kitajima et autres

BACKGROUND: Liver transplant (LT) using organs donated after circulatory death (DCD) has been increasing in the United States. We investigated whether transplant centers' receptiveness to use of DCD organs impacted patient outcomes. METHODS: Transplant centers were classified as very receptive (group 1), …

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Clinical characteristics of new‐onset diabetes after liver transplantation and outcomes

Shingo Shimada, Katsunori Miyake, Deepak Venkat, Humberto C. González et autres

Abstract Background We aimed to identify the characteristics of new‐onset diabetes after liver transplantation (LT) (NODAT) and investigate its impacts on post‐transplant outcomes. Methods Adult LT patients between 2014 and 2020 who used tacrolimus as initial immunosuppression and survived 3 months at …

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Important Constituents of Heavy Water-containing Solution for Cold Storage and Subsequent Reperfusion on an Isolated Perfused Rat Liver

Moto Fukai, S Sakamoto, Kengo Shibata, Takahisa Ishikawa et autres

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