Publications by authors named "Jan Ebbing"

Background: Multidisciplinary teams (MDTs) are essential for cancer care but are resource-intensive. Decision-making processes within MDTs, while critical, contribute to increased healthcare costs due to the need for specialist time and coordination. The recent emergence of large language models (LLMs) offers the potential to improve the efficiency and accuracy of clinical decision-making processes, potentially reducing costs associated with traditional MDT models.

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Urinary biomarker studies in cardiothoracic and kidney-sparing surgery have demonstrated renal protection by Remote Ischaemic PreConditioning (RIPC). RIPC intervention generates cycles of ischaemia and reperfusion of the limbs before the actual ischaemia of the target organ (e.g.

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Objectives: To improve precision of secondary resection (SR) after positive surgical margin (PSM) detection by frozen section (FS) during nerve-sparing (NS) robot-assisted radical prostatectomy (RARP) by employing a personalised three-dimensional (3D)-printed prostate model derived from pelvic magnetic resonance imaging (MRI). This model was used to mark positive surgical margins (PSM) and guide intraoperative SR during NS-RARP.

Patients And Methods: Prospective multicentre cohort study with 100 patients undergoing NS-RARP between September 2018 and August 2021.

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Purpose: This study assessed the efficacy, safety and durability outcomes of water vapor thermal therapy with Rezum in a real-world cohort of patients with lower urinary tract symptoms due to benign prostate obstruction.

Methods: Consecutive, unselected patients undergoing Rezum treatment between January 2014 and August 2022 were candidates for this pragmatic, observational, longitudinal, single-center cohort study. Pre- and perioperative data were descriptively summarized.

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Background: Little is known regarding functional outcomes after robot-assisted radical cystectomy (RARC) and intracorporeal neobladder (ICNB) reconstruction.

Objective: To report on urinary continence (UC) and erectile function (EF) at 12 mo after RARC and ICNB reconstruction and investigate predictors of these outcomes.

Design, Setting, And Participants: We used data from a multi-institutional database of patients who underwent RARC and ICNB reconstruction for bladder cancer.

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Purpose: Rising complexity of patients and the consideration of heterogeneous information from various IT systems challenge the decision-making process of urological oncologists. Siemens AI Pathway Companion is a decision support tool that provides physicians with comprehensive patient information from various systems. In the present study, we examined the impact of providing organized patient information in comprehensive dashboards on information quality, effectiveness, and satisfaction of physicians in the clinical decision-making process.

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Introduction: Active surveillance (AS) strategies were established to avoid overtreatment of low-risk prostate cancer (PCa) patients. Low tumor volume represents one indication criteria; however, applying this criterion after MRI-targeted prostate biopsies may lead to overestimation of tumor volume; wherefore, patients suitable for AS would be exposed to the risk of overtreatment.

Methods: This retrospective analysis included 318 patients in which PCa was detected by MRI-TRUS fusion prostate biopsy.

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Background: Tuberous Sclerosis Complex (TSC) is a genetic disorder, with renal manifestations like angiomyolipoma (AML) occurring in 70-80% of patients. AML usually cause more complications in TCS patients than in non-TSC patients. However, AML patients are not routinely investigated for TSC.

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Background: Full-procedure virtual reality (VR) simulator training in robotic-assisted radical prostatectomy (RARP) is a new tool in surgical education.

Methods: Description of the development of a VR RARP simulation model, (RobotiX-Mentor®) including non-guided bladder neck (ngBND) and neurovascular bundle dissection (ngNVBD) modules, and assessment of face, content, and construct validation of the ngBND and ngNVBD modules by robotic surgeons with different experience levels.

Results: Simulator and ngBND/ngNVBD modules were rated highly by all surgeons for realism and usability as training tool.

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Purpose: An expansion of selection criteria for deceased organ transplantation already exists to manage the current donor shortage. Comparable evaluation of risk factors for living donors should be investigated to improve this issue.

Patients And Methods: Our retrospective single-centre study analysed 158 patients with living kidney transplants performed between February 2006 and June 2012.

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Purpose: The aim of this study was to investigate whether structured reports (SRs) of prostate MRI results are more suitable than non-structured reports (NSRs) for promoting the more accurate assessment of the location of a single prostate cancer lesion by novices in MRI-targeted biopsy.

Methods: 50 NSRs and 50 SRs describing a single prostatic lesion were presented to 5 novices in MRI-targeted biopsy. The participants were asked to plot the tumor location in a two-dimensional prostate diagram and to answer a questionnaire on the quality of the reports.

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Robot-assisted radical cystectomy (RARC) with intracorporeal orthotopic neobladder (ONB) can be recognized to be the supreme discipline in urological pelvic surgery. The utilization of RARC with intracorporeal urinary diversion (ICUD) has increased during the last 15 years. This increase is primarily noted for ICUD with ileal conduits, but with a lesser extent also for IC neobladders, with an increase from 7% in 2005 to 17% in 2016.

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Background: Urinary Calprotectin, a mediator of the innate immune system, has been identified as a biomarker in bladder cancer. Our aim was to investigate the association between sterile leukocyturia and urinary Calprotectin in low-grade and high-grade bladder cancer.

Materials And Methods: We performed a prospective cross-sectional study including 52 patients with bladder cancer and 40 healthy controls.

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Background: Nephron-sparing surgery (NSS) remains gold standard for the treatment of localised renal cell cancer (RCC), even in case of a normal contralateral kidney. Compared to radical nephrectomy, kidney failure and cardiovascular events are less frequent with NSS. However, the effects of different surgical approaches and of zero ischaemia on the postoperative reduction in renal function remain controversial.

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Article Synopsis
  • The study focuses on the rates of benign ureterointestinal anastomosis (BUIA) strictures following robot-assisted radical cystectomy (RARC) at a high-volume center.
  • Out of 371 patients, 6.5% developed strictures, with a median time to formation of 165 days; no significant difference between those using monofilament or barbed sutures.
  • Strictures were more prevalent on the left side (63%) and there was no notable difference in occurrence based on the type of urinary diversion (neobladder vs ileal conduit).
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Background: To investigate the reliability with which healthcare professionals with different levels of expertise are able to impart the exact location of prostate cancer (PCA) after (A) reading written magnetic resonance imaging (MRI) reports, (B) attending MRI presentations in multidisciplinary team meetings (MDT), and (C) examining 3D printed prostate models, which represents a new technology to describe the location of PCA lesions.

Methods: We used three different PCA cases to assess the three information tools. Construct validation was performed using two healthcare groups with different levels of expertise: (1) Nine expert urologists in PCA, and (2) nine medical students.

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To evaluate the oncological results, associated complications, and postoperative health-related quality of life (HR-QoL) in patients treated with partial cystectomy (PC) for muscle-invasive bladder cancer (MIBC). 27 patients who underwent open PC for cT2 MIBC were included. A simple Cox's proportional hazards regression model was used to assess the association of several potential prognostic factors with survival.

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Aim: To further promote the clinical use of urinary LASP1 as biomarker for urothelial carcinoma of the bladder regarding limitations and alternative testing systems.

Patients & Methods: Urine stabilization, alternative measurement systems and limitations by erythrocyte contamination and infection were investigated in 246 patients.

Results: Thimerosal allowed sufficient stabilization.

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Background: Urinary calprotectin has been identified as a promising biomarker for acute kidney injury. To date, however, the time-dependent changes of this parameter during acute kidney injury remain elusive. The aim of the present work was to define the time-course of urinary calprotectin secretion after ischaemia/reperfusion-induced kidney injury in comparison to neutrophil gelatinase-associated lipocalin, thereby monitoring the extent of tubular damage in nephron sparing surgery for kidney tumours.

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Objective: To evaluate the incidence and risk factors for urothelial cancer (UC) as well as the oncological outcome and allograft function in renal transplant recipients.

Subjects/patients: We conducted a retrospective analysis of 1855 consecutive patients undergoing renal transplantation (TX) between February 1982 and May 2014 at a single center. UC incidence, overall and cancer-specific survival, recurrence and progression rates, risk factors for UC, and renal function were determined.

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Background: To use combinatorial epitope mapping ("fingerprinting") of the antibody response to identify targets of the humoral immune response in patients with transitional cell carcinoma (TCC) of the bladder.

Methods: A combinatorial random peptide library was screened on the circulating pool of immunoglobulins purified from an index patient with a high risk TCC (pTa high grade plus carcinoma in situ) to identify corresponding target antigens. A patient cohort was investigated for antibody titers against ubiquitin.

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Computer assisted navigation is a widely adopted technique in neurosurgery and orthopedics. However, it is rarely used for surgeries on abdominal organs. In this paper, we propose a novel, noninvasive method based on electromagnetic tracking to determine the pose of the kidney.

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