Publications by authors named "Teufel A"

Cancers of the digestive system are major contributors to global cancer-associated morbidity and mortality, accounting for 35% of annual cases of cancer deaths. The etiologies, molecular features, and therapeutic management of these cancer entities are highly heterogeneous and complex. Over the last decade, genomic and functional studies have provided unprecedented insights into the biology of digestive cancers, identifying genetic drivers of tumor progression and key interaction points of tumor cells with the immune system.

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Introduction: Primary Biliary Cholangitis (PBC) is a chronic autoimmune liver disease causing bile duct destruction and inflammation, impacting patient quality of life (QoL) due to variable symptoms. Digital symptom-tracker apps may improve patient care through enhanced monitoring. This feasibility study reassessed symptom burden in PBC patients using a tailored symptom-tracker app, focusing on its usability, effectiveness, and impact on management and QoL.

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Background: Perioperative messengers as tools for hospitals to communicate with patients' loved ones during surgery have been described in form of pagers, SMS, email, and apps. The approach of combining multiple means of communication to create a secure and reliable messenger promises several advantages and has not been investigated to date.

Objective: The aim was to develop and test the technical feasibility and acceptance of a remote hybrid SMS/web-based perioperative messenger that keeps patients' loved ones informed around the time of surgery.

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Background: In liver cirrhosis, prognosis is profoundly affected by renal function. This study evaluates the usefulness of renal stiffness measurement by point-shear wave elastography and renal perfusion by duplex.

Methods: In this case-control study, organ stiffness was quantified using point-shear wave elastography and duplex sonography to calculate the arterial resistive (RI) and pulsatility indices (PI) in 123 patients, including patients with liver cirrhosis with (LC+A) and without ascites (LC-A) and patients without liver cirrhosis (NLC).

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Cell nuclei interpretation is crucial in pathological diagnostics, especially in tumor specimens. A critical step in computational pathology is to detect and analyze individual nuclear properties using segmentation algorithms. Conventionally, a semantic segmentation network is used, where individual nuclear properties are derived after post-processing a segmentation mask.

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Background: Stakeholder engagement plays a vital role in driving advancements in product development. This imperative now extends to the healthcare domain, driven by the scarcity of healthcare professionals and the pressing demand for effective solutions. Through the application of design thinking and co-design methodologies, this study endeavours to promote comprehensive stakeholder involvement, creating streamlined processes and adaptable templates geared towards fostering innovative solutions for tele-emergency medicine.

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Background: In times of demographic change and an immense shortage of qualified personnel in emergency medical services, telemedicine could offer more efficient solutions for better care. Given the community-based nature of emergency services, local communities play an important role. This study explored the expectations of healthcare professionals and volunteers for telemedicine tools in prehospital emergency medicine.

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Real-world data on the management of patients with primary biliary cholangitis (PBC) are so far scarce in Germany. Therefore, we aimed to establish a nationwide registry and describe the clinical characteristics and therapy of PBC patients.Three different cohorts defined as ursodeoxycholic acid (UDCA) responders, as inadequate responders according to Paris II criteria, and as newly diagnosed patients were prospectively recruited.

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Introduction And Objectives: Autoimmune liver diseases (AILDs) are rare and require precise evaluation, which is often challenging for medical providers. Chatbots are innovative solutions to assist healthcare professionals in clinical management. In our study, ten liver specialists systematically evaluated four chatbots to determine their utility as clinical decision support tools in the field of AILDs.

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Article Synopsis
  • Chronic liver diseases, particularly metabolic dysfunction-associated steatotic liver disease (MASLD), are widespread but poorly understood by many, highlighting the need for better awareness and knowledge transfer.
  • An analysis of Google search trends from 2004 to 2021 indicated that interest in MASLD has increased, while interest in its severe form (MASH) and viral hepatitis C has decreased; queries for viral hepatitis B remained stable but focused mainly on vaccination.
  • The search habits show that most users favor simpler, native language terms over complex medical jargon, indicating that public interest is led by non-experts and not significantly influenced by new medical advancements.
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Objective: This systematic review aims to elucidate the diagnostic capabilities of imaging techniques in identifying Non-Occlusive Hepatic Artery Hypoperfusion Syndrome (NOHAH) and to evaluate the efficacy and outcomes of splenic artery embolization (SAE), including the choice and placement of embolic agents.

Materials And Methods: A comprehensive literature search was conducted using PubMed, CINAHL, and Scopus databases, adhering to PRISMA guidelines. Fifteen studies encompassing 240 patients treated with embolization (using coils or Amplatzer Vascular Plugs (AVP)) were analyzed.

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Background: To study the relationship of Vitamin D with innate and adaptive immune response parameters in chronic hepatitis B and C patients.

Methods: The laboratory data between January 1, 2013 and February 1, 2023, for patients with chronic hepatitis B (CHB), and chronic hepatitis C (CHC) were extracted. Serum 25-hydroxyl vitamin D, hepatitis B virus serological markers, complements, and subsets of T lymphocytes were determined.

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Background: Hepatocellular carcinoma (HCC) remains a significant global health burden with a high mortality rate. Over the past 40 years, significant progress has been achieved in the prevention and management of HCC.

Summary: Hepatitis B vaccination programs, the development of direct acting antiviral drugs for Hepatitis C, and effective surveillance strategies provide a profound basis for the prevention of HCC.

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Introduction: Mobile Health (mHealth) applications allow for new possibilities and opportunities in patient care. Their potential throughout the whole patient journey is undisputed. However, the eventual adoption by patients depends on their acceptance of and motivation to use mHealth applications as well as their adherence.

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The prevention of liver disease has improved significantly in the last few decades, to the point that it can now be considered a true success story. The wide variety of interventions, including comprehensive vaccination strategies, novel medications, lifestyle changes, and even preventive surgeries, have reduced the morbidity and mortality of chronic liver diseases. However, the prevalence of chronic liver diseases is increasing worldwide.

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Hepatocellular carcinoma (HCC) is the sixth most common neoplasia and the third leading cause of cancer-associated deaths worldwide. Most cases arise in patients with cirrhosis, and early detection through periodic screening can make it potentially curable. The presence of extrahepatic metastases (EHM) affects treatment decisions and curability.

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Article Synopsis
  • Immunotherapy is the primary treatment for advanced hepatocellular carcinoma (aHCC), but many patients still face disease progression despite initial responses, which has led to exploring combination therapies, including radiotherapy.
  • The study analyzed patients who received immune checkpoint inhibitors (ICIs) alongside radiotherapy to assess both effectiveness and adverse effects, focusing on those treated between 2016 and 2021.
  • Out of six patients, different radiotherapy techniques were employed with no severe adverse effects noted, and five of the six patients achieved long-term tumor control.
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Background And Aims: The treatment of hepatocellular carcinoma (HCC) is undergoing a historic transformation with the approval of several new systemic therapies in the last few years. This study aimed to examine the impact of this changing landscape on survival and costs in a Western nationwide, real-world cohort.

Methods: A nationwide representative claims database (InGef) was screened for HCC cases between 2015 and 2020.

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Article Synopsis
  • The article investigates how cardiovascular medications affect the survival of patients with liver cirrhosis, a severe liver disease with a high risk of mortality.
  • A large retrospective study analyzed data from 32,366 cirrhotic patients diagnosed between 2000 and 2020 at institutions in the U.S. and South Korea, showing mixed results on different medications' impacts on survival.
  • Findings reveal that some drugs, like ramipril and losartan, improve survival, while others, such as amiodarone and digoxin, may worsen prognosis, highlighting the need for careful multidisciplinary management of these patients.
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Introduction: We illustrate a comprehensive tampon safety assessment approach that assures products can be used safely. Material biocompatibility, vaginal mucosa assessment, vaginal microbiome evaluation, and assessment of potential risk of staphylococcal toxic shock syndrome expressed through growth of () and production of TSST-1 are the four essential portions of the approach. Post-marketing surveillance informs of possible health effects that warrant follow up.

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Background: Alcoholic liver disease (ALD) is still increasing and leads to acute liver injury but also liver cirrhosis and subsequent complications such as liver failure or hepatocellular carcinoma (HCC). As most patients fail to achieve alcohol abstinence, it is essential to identify alternative treatment options in order to improve the outcome of ALD patients.

Methods: Evaluating two large cohorts of patients with ALD from the USA and Korea with a total of 12,006 patients, we investigated the effect on survival of aspirin, metformin, metoprolol, dopamine, and dobutamine drugs in patients with ALD between 2000 and 2020.

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Background And Aims: Primary liver cancer (PLC) ranks among of the most common cancers worldwide. Within this group, a minority of cases displays characteristics of both hepatocellular carcinoma (HCC) and intrahepatic cholangiocarcinoma (iCCA), known as combined hepatocellular cholangiocarcinoma (cHCC- CCA). Currently, there is no specific standardized therapy for these mixed tumors.

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Angiogenesis is the process of new blood vessels growing from existing vasculature. Visualizing them as a three-dimensional (3D) model is a challenging, yet relevant, task as it would be of great help to researchers, pathologists, and medical doctors. A branching analysis on the 3D model would further facilitate research and diagnostic purposes.

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Bone morphogenetic protein (BMP)-9, a member of the TGFβ-family of cytokines, is believed to be mainly produced in the liver. The serum levels of BMP-9 were reported to be reduced in newly diagnosed diabetic patients and BMP-9 overexpression ameliorated steatosis in the high fat diet-induced obesity mouse model. Furthermore, injection of BMP-9 in mice enhanced expression of fibroblast growth factor (FGF)21.

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