Publications by authors named "Tim Vilz"

Background: Colorectal and pancreatic carcinoma are the most common cancers of the gastrointestinal tract. Their surgical treatment carries a high morbidity: complications arise in 25% to 30% of cases, often prolonging recovery times and delaying the initiation of adjuvant therapy, leading, in turn, to worse oncological outcomes. The goal of multimodal perioperative management (mPOM) is to lower the postoperative complication rate through a combination of perioperative measures.

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Background: Lynch syndrome (LS) is the most frequent hereditary tumor syndrome and is associated with an increased risk of colorectal cancer (CRC). While gene-specific and age-specific differences are considered in patient surveillance, gender-specific risks in the development of CRC have been reported in many studies but are not consistently documented.

Objective: This systematic review aims to investigate gender-specific differences in CRC development among LS patients.

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This is a protocol for a Cochrane Review (intervention). The objectives are as follows: To assess the benefits and harms of robot-assisted surgery for rectal cancer resection.

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Background: Postoperative paralytic ileus (POI) is a significant concern following gastrointestinal tumor surgery. Effective preventive and therapeutic strategies are crucial but remain elusive. Current evidence from randomized-controlled trials on pharmacological interventions for prevention or treatment of POI are systematically reviewed to guide clinical practice and future research.

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Study Objective: Regional analgesia following visceral cancer surgery might provide an advantage but evidence for best treatment options related to risk-benefit is unclear.

Design: Systematic review of randomized controlled trials (RCT) with meta-analysis and GRADE assessment.

Setting: Postoperative pain treatment.

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Acute mesenteric ischemia (AMI) is still a time-critical and life-threatening clinical picture. If exploration of the abdominal cavity is necessary during treatment, an intraoperative assessment of which segments of the intestines have a sufficient potential for recovery must be made. These decisions are mostly based on purely clinical parameters, which are subject to high level of uncertainty.

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For solid malignancies of the gastrointestinal tract, surgical removal is a central pillar of treatment and often the only possibility to achieve a long-term cure. While there are additional qualifications for an oncological subspecialization in other surgical disciplines, such as gynecology or urology nothing comparable exists for visceral surgery in Germany, despite the fact that interdisciplinary cancer treatment strategies are becoming increasingly more complex. The Association of Surgical Oncology (ACO) in cooperation with the European Union of Medical Specialists (UEMS) has created the curriculum for surgical oncology, a structured further education concept, which concludes with the European Board of Surgical Qualification (EBSQ) examination.

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Article Synopsis
  • MRD is key for diagnosing pelvic floor disorders, providing insights into both organ structure and the defecation process, requiring collaboration between radiologists and surgeons for effective use.
  • This review discusses when MRD is appropriate, emphasizing the importance of its findings in conditions like fecal incontinence and obstructed defecation syndrome while being cautious about potential overdiagnosis, especially with rectocele.
  • MRD results should be assessed alongside clinical history and other examinations, as differences between structural abnormalities and patient symptoms can be significant; interdisciplinary collaboration is essential for accurate diagnosis and treatment planning.
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Objective: To determine the overall and procedure-specific incidence of surgical site infections (SSI) caused by Staphylococcus aureus (S. aureus) as well as risk factors for such across all surgical disciplines in Europe.

Methods: This is a retrospective cohort of patients with surgical procedures performed at 14 European centres in 2016, with a nested case-control analysis.

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Prehabilitation is a multimodal concept to improve functional capability prior to surgery, so that the patients' resilience is strengthened to withstand any peri- and postoperative comorbidity. It covers physical activities, nutrition, and psychosocial wellbeing. The literature is heterogeneous in outcomes and definitions.

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Purpose: The effectiveness of modern perioperative treatment concepts has been demonstrated in several studies and meta-analyses. Despite good evidence, limited implementation of the fast track (FT) concept is still a widespread concern. To assess the status quo in Austrian and German hospitals, a survey on the implementation of FT measures was conducted among members of the German Society of General and Visceralsurgery (DGAV), the German Society of Coloproctology (DGK) and the Austrian Society of Surgery (OEGCH) to analyze where there is potential for improvement.

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The aim of this study was to investigate the effects of perioperative nutritional therapy care in gastrointestinal (esophageal, gastric, gastroesophageal) cancer patients on nutritional status and disease progression (complications, hospitalization, mortality). We considered 62 gastrointestinal cancer patients treated at the Center for Integrated Oncology (CIO), University Hospital Bonn, Germany (August 2017-July 2019). Of these, 42 patients (as intervention group: IG) received pre- and postoperative nutritional support with counseling, while 20 patients (as historical control group CG) received only postoperative nutritional therapy.

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Background: The success of elective colorectal surgery is mainly influenced by the surgical procedure and postoperative complications. The most serious complications include anastomotic leakages and surgical site infections (SSI)s, which can lead to prolonged recovery with impaired long-term health.  Compared with other abdominal procedures, colorectal resections have an increased risk of adverse events due to the physiological bacterial colonisation of the large bowel.

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Primary sclerosing cholangitis is an important reason for liver transplantation. Hepatic alveolar echinococcosis (AE) is caused by and presents characteristic calcified conglomerates detected by ultrasound or computed tomography scan of the liver. Symptoms of AE only occur after a long period of infection when cholestasis or cholangitis becomes apparent.

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Background: Robot-assisted rectal resections are said to overcome the known difficulties of laparoscopic rectal surgery through technical advantages, leading to better treatment results; however, published studies reported very heterogeneous results. The aim of this paper is therefore to determine whether there is class 1a evidence comparing robotic versus laparoscopic rectal resections. Furthermore, we would like to compare the treatment results of our clinic with the calculated effects from the literature.

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Background: Although primary tumor sidedness (PTS) has a known prognostic role in sporadic colorectal cancer (CRC), its role in Inflammatory Bowel Disease related CRC (IBD-CRC) is largely unknown. Thus, we aimed to evaluate the prognostic role of PTS in patients with IBD-CRC.

Methods: All eligible patients with surgically treated, non-metastatic IBD-CRC were retrospectively identified from institutional databases at ten European and Asian academic centers.

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Aim: This study aims to evaluate the incidence of postoperative ileus (POI) following cytoreductive surgery in epithelial ovarian cancer (EOC) patients and its impact on anastomotic leakage occurrence and postoperative complications.

Methods: A total of 357 surgeries were performed on 346 ovarian cancer patients between 1/2010 and 12/2020 at our institution. The postoperative course regarding paralytic ileus, anastomotic leakage, and postoperative complications was analyzed by Fisher's exact test and through ordinal logistic regression.

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Article Synopsis
  • * The study shows that IL1R1 signaling causes EGCs to enter a reactive state known as enteric gliosis, which leads to the activation of immune responses and is an early event in POI development.
  • * Mice lacking IL1R1 in EGCs are resistant to POI, suggesting that targeting this signaling pathway could be an effective way to prevent motility disorders and inflammation after bowel surgery.
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Background: Despite various existing scores that predict morbidity and mortality of patients with cirrhotic liver disease (CLD), data on specific risk stratification of patients with CLD undergoing colorectal surgery (CRS) are rare. The aim of this study was to assess in-hospital morbidity and mortality of patients with liver cirrhosis scheduled for CRS, with specific focus on possible pitfalls of surgery in this special cohort.

Methods: Between 1996 and 2018, 54 patients with CLD undergoing CRS were identified and included in this study cohort.

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Purpose: Mechanical bowel obstruction (MBO) is one of the most common indications for emergency surgery. Recent research justifies the method of attempting 3-5 days of nonoperative treatment before surgery. However, little is known about specific characteristics of geriatric patients undergoing surgery compared to a younger cohort.

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