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About

Lars Kollmann is a surgical researcher whose work centers on advancing minimally invasive techniques in colorectal and bariatric surgery, with a particular focus on robotic and laparoscopic approaches. His major contributions include conducting the first meta-analysis and systematic review comparing robotic ileocolic resection to laparoscopic and open surgery for Crohn’s disease, a study that has already garnered 6 citations since its 2025 publication and is guiding improved surgical decision-making. Kollmann also led a multicenter retrospective study involving 5,503 patients to evaluate the impact of Enhanced Recovery After Surgery (ERAS) protocols across robotic, laparoscopic, and open colorectal procedures, demonstrating his commitment to optimizing perioperative care. Additionally, his 2024 investigation into how proficiency in bariatric surgery may shorten the learning curve for minimally invasive D2 gastrectomy addresses a critical gap in European surgical training, where oncological gastric resections are less common. With a growing citation record and a focus on comparative effectiveness and skill transfer, Kollmann’s work is shaping safer, more efficient surgical practices and informing the next generation of minimally invasive surgeons.