Publications by authors named "Ronny Otto"

Background: The planned hospital and emergency care reform in Germany aims, among other things, to restructure emergency services towards integrated emergency centers (INZ) and integrated emergency centers for children and adolescents (KINZ). There is a gap in current data on the reasons for presentation and the use of emergency departments by patients under 18 years of age. This study provides a multicenter analysis of the most common reasons for presentation among children and adolescents in German emergency departments.

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Background: Lymphadenectomy is a fundamental part of surgical strategy in patients with gastric cancer. Lymph node (LN) status is a key point in assessment of prognosis in gastric cancer. The LN ratio (LNR)-number of positive LNs/number of sampled LNs-offers a new approach for predicting survival.

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Continuous access to electronic health records will fuel the digital transformation of medicine. For data-sharing initiatives, the challenge lies in ensuring data access aligns with the interests of data holders. Federated data access authorization, where data remains controlled locally, may offer a solution to balance these interests.

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Patients with chronic pancreatitis (CP) as well as with pancreatic head carcinoma (CA) undergo the surgical intervention named "pylorus-preserving pancreatoduodenectomy according to Traverso-Longmire (PPPD)", which allowed a comparative analysis of the postoperative courses. The hypothesis was that patients with CA would have worse general as well as immune status than patients with CP due to the severity of the tumor disease and that this would be reflected in the more disadvantageous early postoperative outcome after PPPD. : With the aim of eliciting the influence of the different diagnoses, the surgical outcome of all consecutive patients who underwent surgery at the Dept.

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Background: The use of triage systems such as the Manchester Triage System (MTS) is a standard procedure to determine the sequence of treatment in emergency departments (EDs). When using the MTS, time targets for treatment are determined. These are commonly displayed in the ED information system (EDIS) to ED staff.

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Due to the impact of nodal metastasis on colon cancer prognosis, adequate regional lymph node resection and accurate pathological evaluation are required. The ratio of metastatic to examined nodes may bring an additional prognostic value to the actual staging system. This study analyzes the identification of factors influencing a high lymph node yield and its impact on survival.

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Objectives: Patients with different diseases may show signs of malnutrition both before and during the hospital stay. The presence of malnutrition may impact the recovery and length of stay and consequently the costs. Early identification of malnutrition is thus a critical factor.

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Objectives: In the surgical treatment of colorectal carcinoma (CRC), 1 in 10 patients has a peritumorous adhesion or tumor infiltration in the adjacent tissue or organs. Accordingly, multivisceral resection (MVR) must be performed in these patients. This prospective multicenter observational study aimed to analyze the possible differences between non-multivisceral resection (nMVR) and MVR in terms of early postoperative and long-term oncological treatment outcomes.

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Objectives: To investigate the influence of anastomosis on the early postoperative and long-term oncological outcomes of patients with primary colon carcinoma (CA).

Methods: All consecutive patients with the histologically diagnosed primary colon CA (design, prospective multicenter observational study) were registered with regard to patient-, diagnostic-, tumor (Tu) finding-, and treatment-related aspects using a computer-based registry with 60 items to characterize early postoperative and long-term oncological outcome.

Results: : From 2010 to 2016, data from a total of 14,466 patients were documented (mean age, 72.

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Lymph node dissection is a crucial element of oncologic rectal surgery. Many guidelines regard the removal of at least 12 lymph nodes as the quality criterion in rectal cancer. However, this recommendation remains controversial.

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Secondary use of clinical data is an increasing application that is affected by the data quality (DQ) of its source systems. Techniques such as audits and risk-based monitoring for controlling DQ often rely on source data verification (SDV). SDV requires access to data generating systems.

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Article Synopsis
  • The Osteoporotic Fracture Working Group developed the OF classification system for osteoporotic thoracolumbar fractures to assess reliability in diagnosing vertebral body fractures.
  • A study analyzed images from 54 women with fractures, utilizing six orthopaedic traumatologists to test the system's inter- and intraobserver reliability using specific statistical measures.
  • Results indicated that the OF classification system has good interobserver reliability (ICC = 0.62) and substantial intraobserver reliability (kappa = 0.74), making it effective when all imaging methods (radiography, MRI, CT) are used together.
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Several indicators reflect the quality of care within emergency departments (ED). The length of stay (LOS) of emergency patients represents one of the most important performance measures. Determinants of LOS have not yet been evaluated in large cohorts in Germany.

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Background: The focused assessment with sonography in trauma (FAST) exam is an established trauma care diagnostic procedure. Ultrasound performed during prehospital care can improve early treatment and management of the patients. In this prospective randomized clinical trial, we wanted to assess whether a pre-hospital FAST (p-FAST) influences pre-hospital strategy and the time to operative treatment.

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Introduction: Quality of emergency department (ED) care affects patient outcomes substantially. Quality indicators (QIs) for ED care are a major challenge due to the heterogeneity of patient populations, health care structures and processes in Germany. Although a number of quality measures are already in use, there is a paucity of data on the importance of these QIs on medium-term and long-term outcomes.

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Introduction: Two decades ago, single-incision surgery was established as a new concept in minimally invasive surgery. Single incision cholecystectomy is the most frequently performed procedure in clinical routine. Most of the results have been based on randomised trials.

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Background: The value of simultaneous splenectomy as part of an oncologically adequate resection for gastric cancer has been controversially discussed over the last decades.

Methods: As part of a prospective multicenter observational study data were obtained from patients admitted to hospital with histologically diagnosed primary gastric cancer or adenocarcinoma of the esophagogastric junction (AEG). The profiles of care of patients who had undergone surgical treatment in 141 surgical departments from 1 January 2007 to 31 December 2009 were collated.

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The German Emergency Department Data Registry (GEDD-registry, AKTIN) provides an infrastructure for collecting and querying up-to-date medical records in a distributed manner. Within this framework, a benchmark report on cross-institutional comparison using the program R is prepared using routine data of participating hospitals. Currently, 16 emergency departments (EDs) routinely transfer data of 1,200 to approximately 5,000 patients per month to a federated GEDD-registry datawarehouse.

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Introduction: Approximately 90,000 thyroid operations are performed in Germany each year. Minimally invasive video-assisted thyroidectomy (MIVAT) accounts for 5 - 10% of these operations. There are few data that compare long-term cosmetic results after MIVAT to those after conventional surgery.

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Purpose: Countries with nationwide quality programmes in colorectal cancer report an improved outcome. In Germany, a self-organized and self-financed observational quality assurance project exists, based on voluntary participation. The object of the present study was to ascertain whether this nationwide project also improves the outcome of colorectal cancer.

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Introduction: Aim of this study was to investigate the influence of diabetes mellitus (DM) onto the early postoperative and long-term oncosurgical outcome after surgery for rectal cancer using data prospectively obtained in a representative number of patients.

Methods: Data (using a registration form of 68 items) from the ongoing multicenter observational study "rectal cancer (primary tumor) - elective surgery" on Quality Assurance was used including years 2008 to 2011. A voluntary and frequent follow-up was done to gain long-term data.

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Background: The aim of this study was to investigate the impact of obesity and underweight onto early postoperative and long-term oncological outcome after surgery for rectal cancer.

Methods: Data from 2008 until 2011 was gathered by a German prospective multicenter observational study. 62 items were reported by the physicians in charge, and a consecutive follow-up was performed if the patient had signed a consent form.

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Aims: Adjuvant chemotherapy for resected rectal cancer is widely used. However, studies on adjuvant treatment following neoadjuvant chemoradiotherapy (CRT) and total mesorectal excision (TME) have yielded conflicting results. Recent studies have focused on adding oxaliplatin to both preoperative and postoperative therapy, making it difficult to assess the impact of adjuvant oxaliplatin alone.

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Background: Increasing experience with minimally invasive surgery and the development of new instruments has resulted in a tendency toward reducing the number of abdominal skin incisions. Retrospective and randomized prospective studies could show the feasibility of single-incision surgery without any increased risk to the patient. However, large prospective multicenter observational datasets do not currently exist.

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