Publications by authors named "Tom Ulmer"

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Healthcare Utilization, Costs, and Cost-Effectiveness of Patients Undergoing Laparoscopic and Open Hemihepatectomy: A Secondary Analysis of the ORANGE II PLUS Randomized Controlled, Phase 3, Superiority Trial.
Bram Olij, Gabriela Pilz da Cunha, Merel Kimman, Francesca Ratti, Mohammad Abu Hilal, Tom F Ulmer

Ann Surg Oncol· December 2025

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Analysis of intra- and postoperative interventional endoscopic measures in 3000 bariatric surgical procedures over 15 years: a single center study.
Mana Kakuan, Andreas Plamper, Oliver Al-Taie, Andreas Kroh, Florian Vondran, Tom F Ulmer

Updates Surg· November 2025

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Optimization of ALPPS stage II timing with the APRI/ALBI score-an international, multicenter cohort study.
Jan Philipp Jonas, Philip Christoph Müller, Michael Linecker, Hubert Hackl, Jonas Santol, Tom Florian Ulmer

Hepatobiliary Surg Nutr· October 2025

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Right hepatectomy in absence of the left portal vein using the porto-rex shunt procedure.
Sven A Lang, Jan Bednarsch, Sophia M Schmitz, Marius J Helmedag, Iakovos Amygdalos, Tom F Ulmer

Innov Surg Sci· September 2025

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The Prognostic Value of the XPC rs2228001 Single Nucleotide Polymorphism in Cholangiocarcinoma.
Guanwu Wang, Anna Mantas, Dong Liu, Tarick M Al-Masri, Smiths Sengkwawoh Lueong, Tom F Ulmer

Liver Int· September 2025

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Health-related quality of life in patients undergoing laparoscopic versus open hemihepatectomy: a secondary analysis of the ORANGE II PLUS randomised controlled, phase 3, superiority trial.
Bram Olij, Robert S Fichtinger, Luca A Aldrighetti, Mohammad Abu Hilal, Roberto I Troisi, Tom F Ulmer

Lancet Reg Health Eur· July 2025

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Sleeve-gastrectomy results in improved metabolism and a massive stress response of the liver proteome in a mouse model of metabolic dysfunction-associated steatohepatitis.
Andreas Kroh, Sophia Schmitz, Saskia Köhne, Julia Andruszkow, Jochen Nolting, Tom Florian Ulmer

Heliyon· November 2024

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Body Composition in Cholangiocarcinoma Affects Immune Cell Populations in the Tumor and Normal Liver Parenchyma.
Guanwu Wang, Dong Liu, Tarick M Al-Masri, Carlos C Otto, Jens Siveke, Tom F Ulmer

J Clin Exp Hepatol· November 2024

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Clinical features and prediction of long-term survival after surgery for perihilar cholangiocarcinoma.
Anna Mantas, Carlos Constantin Otto, Pim B Olthof, Daniel Heise, Dieter Paul Hoyer, Tom Florian Ulmer

PLoS One· July 2024

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Laparoscopic Versus Open Hemihepatectomy: The ORANGE II PLUS Multicenter Randomized Controlled Trial.
Robert S Fichtinger, Luca A Aldrighetti, Mohammed Abu Hilal, Roberto I Troisi, Robert P Sutcliffe, Tom F Ulmer

J Clin Oncol· May 2024

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Students and physicians differ in perception of quality of life in patients with tumors of the upper gastrointestinal tract.
Lena Schooren, Grace Oberhoff, Sandra Schipper, Alexander Koch, Andreas Kroh, Tom F Ulmer

Sci Rep· April 2024

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Quality of Life, Sarcopenia and Nutritional Status in Patients with Esophagogastric Tumors before and after Neoadjuvant Therapy.
Lena Schooren, Grace H Oberhoff, Alexander Koch, Andreas Kroh, Tom F Ulmer

Cancers (Basel)· March 2024

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Preoperative predictors for non-resectability in perihilar cholangiocarcinoma.
Carlos Constantin Otto, Anna Mantas, Lara Rosaline Heij, Daniel Heise, Maxime Dewulf, Tom Florian Ulmer

World J Surg Oncol· February 2024

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Body composition is associated with postoperative complications in perihilar cholangiocarcinoma.
Guanwu Wang, Anna Mantas, Lara R Heij, Tarick M Al-Masri, Dong Liu, Tom F Ulmer

Cancer Med· January 2024

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Laparoscopic Living donor liver transplantation in irresectable intrahepatic cholangiocarcinoma in primary sclerosing cholangitis associated liver cirrhosis.
Jan Bednarsch, Sven A Lang, Daniel Heise, Pavel Strnad, Ulf P Neumann, Tom F Ulmer

Z Gastroenterol· January 2024

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Living-Donor Liver Transplantation for a Large Hepatocellular Carcinoma in a Genetically Identical Twin Sister.
Ger Koek, Sophia M Schmitz, Jan Bednarsch, Daniel Heise, Thomas Longerich, Tom Florian Ulmer

Z Gastroenterol· January 2024

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Time to surgery is not an oncological risk factor in patients with cholangiocarcinoma undergoing curative-intent liver surgery.
Anna Mantas, Dong Liu, Carlos Constantin Otto, Lara Rosaline Heij, Daniel Heise, Tom Florian Ulmer

Sci Rep· January 2024

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Hepatocellular loss of mTOR aggravates tumor burden in nonalcoholic steatohepatitis-related HCC.
Andreas Kroh, Jeanette Walter, Athanassios Fragoulis, Diana Möckel, Twan Lammers, Tom Florian Ulmer

Neoplasia· December 2023

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Impact of Altered Body Composition on Clinical and Oncological Outcomes in Intrahepatic Cholangiocarcinoma.
Guanwu Wang, Carlos C Otto, Lara R Heij, Tarick M Al-Masri, Edgar Dahl, Tom F Ulmer

J Clin Med· December 2023

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Value of prognostic scoring systems in the era of multimodal therapy for recurrent colorectal liver metastases.
Katharina Joechle, Iakovos Amygdalos, Felix Schmidt, Jan Bednarsch, Alexandros Chrysos, Tom F Ulmer

HPB (Oxford)· November 2023

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Pharmaceutical Interventions for Inpatients with Liver Cirrhosis and Liver Transplantation: A Systematic Review of Experimental Studies.
Nagham Jibai, Alexander Koch, Tom Florian Ulmer, Pia Erdmann, Joachim Andreas Koeck

J Clin Med· November 2023

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Survival after combined resection and ablation is not inferior to that after resection alone, in patients with four or more colorectal liver metastases.
Iakovos Amygdalos, Lea Hitpass, Felix Schmidt, Gerrit Josephs, Jan Bednarsch, Tom Florian Ulmer

Langenbecks Arch Surg· August 2023

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Successful Transplantation of a Liver from a Donor with HELLP Syndrome Undergoing Hypothermic Oxygenated Machine Perfusion (HOPE) Prior to Implantation.
Daniel A Morales Santana, Iakovos Amygdalos, Franziska A Meister, Jan Bednarsch, Andreas Lambertz, Tom Florian Ulmer

Am J Case Rep· May 2023

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Time to surgery is not an oncological risk factor in HCC patients undergoing liver resection.
Carlos Constantin Otto, Guanwu Wang, Anna Mantas, Daniel Heise, Philipp Bruners, Tom Florian Ulmer

Langenbecks Arch Surg· May 2023

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Insulin Resistance Is the Main Characteristic of Metabolically Unhealthy Obesity (MUO) Associated with NASH in Patients Undergoing Bariatric Surgery.
Sophia M Schmitz, Sebastian Storms, Alexander Koch, Christine Stier, Andreas Kroh, Tom F Ulmer

Biomedicines· May 2023

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