1,211 results match your criteria: "Ruprecht-Karls University Heidelberg[Affiliation]"

Background: Liberal or overtransfusion (OT) may be regarded as "inappropriate," but it is not reported as a transfusion-related adverse event. A definition of OT is lacking. OT may include overdosing of components, giving the incorrect component, or unnecessary administration without evidence of need for transfusion.

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Objective: Ampullary neoplastic lesions can be resected by endoscopic papillectomy (EP) or transduodenal surgical ampullectomy (TSA) while pancreaticoduodenectomy is reserved for more advanced lesions. We present the largest retrospective comparative study analysing EP and TSA.

Design: Of all patients in the database, lesions with prior interventions, benign histology advanced malignancy (T2 and more), patients with hereditary syndromes and those undergoing pancreatoduodenectomy were excluded.

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Importance: Venous thromboembolism (VTE) is a severe complication after microsurgical free tissue transfer (FTT) to the head and neck. Hypothermia during surgery is a modifiable risk factor, and avoiding it may reduce the postoperative VTE rate.

Objective: To assess the association between hypothermia (temperature <36 °C) and postoperative VTE and free flap pedicle thrombosis rates after head and neck reconstruction with FTT.

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Background: Nanocarriers have been proposed as a solution for drug-resistant epilepsy.

Methods: A systematic review of animal and in vitro studies was conducted to evaluate the efficacy, toxicity, and biological properties of nanocarriers. Searches were performed in PubMed/Medline and Scopus from March 2023 to March 2024.

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Study Design: N/A.

Objective: This study investigated the different ways of orbital floor reconstruction with special focus on reconstruction materials, imaging modalities (intra-/ post-operative), 3D printing and navigation.

Methods: The heads of all governmental-run or associated cranio-maxillofacial surgery units in Switzerland, Austria and Germany were asked in person or received an email link for an online survey with 12 questions.

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Article Synopsis
  • Pediatric intracranial aneurysms are rare and require specialized diagnosis and treatment, as highlighted by a case of a child with a thrombosed dissecting aneurysm in the middle cerebral artery that needed emergency microsurgery.
  • The treatment involved aneurysm trapping, decompression, and revascularization through a less invasive minipterional craniotomy, which was successful despite a later occlusion of the bypass after one year, leaving the patient asymptomatic.
  • Key takeaways stress the importance of immediate intervention for unstable vascular lesions and the effectiveness of a multidisciplinary approach in managing complex cases in children.
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Large language model use in clinical oncology.

NPJ Precis Oncol

October 2024

Department of Digital Prevention, Diagnostics and Therapy Guidance, German Cancer Research Center (DKFZ), Heidelberg, Germany.

Large language models (LLMs) are undergoing intensive research for various healthcare domains. This systematic review and meta-analysis assesses current applications, methodologies, and the performance of LLMs in clinical oncology. A mixed-methods approach was used to extract, summarize, and compare methodological approaches and outcomes.

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Background: Pre-operative computer-aided design and manufacturing (CAD/CAM) revolutionized head and neck reconstruction after extirpative surgery. However, studies performing head-to-head comparison to the conventional technique have limited long-term follow-up. We aimed to compare short and long-term outcomes between conventional and CAD/CAM approaches for mandibular reconstruction with free fibula flaps.

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Macrophages enhance sodium channel expression in cardiomyocytes.

Basic Res Cardiol

December 2024

Department of Cardiology, University Hospital Heidelberg, Ruprecht-Karls-University Heidelberg, Im Neuenheimer Feld 410, 69120, Heidelberg, Germany.

Article Synopsis
  • Cardiac macrophages play a crucial role in enhancing electrical conduction through the atrioventricular node (AV) in mice and may influence the effectiveness of antiarrhythmic drugs like flecainide.
  • In experiments, mice with modified macrophages showed no significant issues in electrical conduction but had a reduced response to flecainide, reflected in less pronounced changes in heart rhythm intervals.
  • Coupling between macrophages and cardiomyocytes improves the drug's effects by increasing the presence of specific proteins (Cx43 and Na1.5) on the cell membrane, leading to greater changes in cell membrane potential and action potential duration.
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Background: Perfusion magnetic resonance imaging (MRI)s plays a central role in the diagnosis and monitoring of neurovascular or neurooncological disease. However, conventional processing techniques are limited in their ability to capture relevant characteristics of the perfusion dynamics and suffer from a lack of standardization.

Purpose: We propose a physics-informed deep learning framework which is capable of analyzing dynamic susceptibility contrast perfusion MRI data and recovering the dynamic tissue response with high accuracy.

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Chronic Hand Eczema.

Am J Clin Dermatol

November 2024

Division of Occupational Dermatology, Department of Dermatology, University Hospital Heidelberg, Ruprecht Karls University Heidelberg, Voßstr. 2, 69115, Heidelberg, Germany.

Article Synopsis
  • - Chronic hand eczema (CHE) is a common skin condition often seen in certain occupations, defined as hand eczema lasting over 3 months or recurring twice a year after initial treatment.
  • - CHE has various causes and symptoms, and there isn't a specific classification system for it, which complicates treatment strategies.
  • - Effective management of CHE involves identifying and avoiding triggers, using a combination of therapies (local, systemic, or phototherapy), and educating patients on skin protection and prevention methods.
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Purpose: The aim of this study was to evaluate whether additive autologous bone grafting (ABG) improves clinical outcome and survival in revision matrix-associated autologous chondrocyte implantation (M-ACI) after failed cartilage repair (CR).

Methods: A retrospective, registry-based, matched-pair analysis was performed to compare patient-reported outcomes and survival in secondary M-ACI with or without additional bone grafting for focal full-thickness cartilage defects of the knee and to compare it with those in primary M-ACI. Patients were matched for age, sex, body mass index, defect size and localization, and number of previous CRs.

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Background: Matrix-induced autologous chondrocyte implantation (MACI), the third-generation of the technique, is an established procedure for the treatment of focal cartilage defects in the knee. However, the literature lacks long-term results of MACI with good statistical power.

Purpose: To determine long-term survival and patient-reported outcomes (PROs) in a representative cohort and to identify patient- and surgery-related parameters that may influence long-term clinical outcomes.

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Background: Geriatric rehabilitation aims at increasing physical and social activity and maintaining the functional reserve of older people. However, the continuity of geriatric rehabilitation in the outpatient setting is limited due to a lack of structured aftercare programs. In order to overcome this, a three-month multimodal home-based intervention program (GeRas) was implemented.

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Treatment of the tumor and dural margin with surgery and sometimes radiation are cornerstones of therapy for meningioma. Molecular classifications have provided insights into the biology of disease; however, response to treatment remains heterogeneous. In this study, we used retrospective data on 2,824 meningiomas, including molecular data on 1,686 tumors and 100 prospective meningiomas, from the RTOG-0539 phase 2 trial to define molecular biomarkers of treatment response.

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Clinical and radiological outcome of surgical hallux valgus correction: open versus minimally invasive.

Eur J Orthop Surg Traumatol

August 2024

Department of Trauma and Orthopaedic Surgery, BG Klinikum Unfallkrankenhaus Berlin gGmbH, Warener Str. 7, 12683, Berlin, Germany.

Introduction: Hallux valgus (HV) is the most common forefoot deformity. Surgical correction of HV aims to reduce pain, preserve joints, and re-establish foot function while restoring the hallux valgus angle (HVA) and intermetatarsal angle (IMA). Many surgical procedures have been proposed, including open and minimally invasive (MI) techniques.

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Favorable safety profile of NOAC therapy in patients after tricuspid transcatheter edge-to-edge repair.

Clin Res Cardiol

August 2024

Department of Internal Medicine III, Division of Cardiology, University Hospital Heidelberg, Ruprecht-Karls University Heidelberg, Im Neuenheimer Feld 410, 69120, Heidelberg, Germany.

Background: Transcatheter edge-to-edge repair for severe tricuspid regurgitation (TR) is a new treatment option (t-TEER). Data on optimal antithrombotic therapy after t-TEER in patients with an indication for anticoagulation are scarce and evidence-based guideline recommendations are lacking. We sought to investigate efficacy and safety of novel oral anticoagulation (NOAC) and vitamin-K-antagonists (VKA) in patients undergoing t-TEER.

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Prehospital treatment of severely burned patients: a retrospective analysis of patients admitted to the Berlin burn centre.

Scand J Trauma Resusc Emerg Med

August 2024

Department of Anesthesiology, Intensive Care and Pain Medicine, BG Klinikum Unfallkrankenhaus Berlin, Warener Strasse 7, 12683, Berlin, Germany.

Background: Prehospital management of severely burned patients is extremely challenging. It should include adequate analgesia, decision-making on the necessity of prehospital endotracheal intubation and the administration of crystalloid fluids. Guidelines recommend immediate transport to specialised burn centres when certain criteria are met.

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Stroke Volume and Stroke Volume Variation, but not Cardiac Index Is Associated With Survival of Majorly Burned Patients in Early Burn Shock.

J Intensive Care Med

February 2025

Department of Anesthesiology, Intensive Care and Pain Medicine, BG Klinikum Unfallkrankenhaus Berlin, Berlin, Germany.

Adequate fluid therapy is crucial to maintain organ function after burn trauma. Major burns lead to a systemic response with fluid loss and cardiac dysfunction. To guide fluid therapy, measurement of cardiac pre- and afterload is helpful.

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Background: Structured aftercare programs are implemented to facilitate the transition from rehabilitation centers to patients' home environments. Taking the program GeRas as an example, this paper aims to evaluate the influence of patient-related factors on the implementation of the geriatric aftercare program GeRas from patients' and providers' perspectives.

Methods: To capture patients' and providers' perspectives, qualitative interviews were conducted using a semi-structured interview guide.

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Background: The diagnosis of attention-deficit/hyperactivity disorder (ADHD) in adolescence and adulthood is particularly challenging because retrospective confirmation of previous childhood ADHD is mandatory. Therefore, collecting valid diagnostic information about behavior at school is important. Primary school reports often contain descriptions of academic performance and social behaviors associated with ADHD criteria.

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Background: Effective management of patients with aneurysmal subarachnoid hemorrhage (aSAH) demands vigilant monitoring and treatment, given the risks of complications such as cerebral vasospasm and delayed ischemic neurological deficits (DINDs). Transcranial transmission ultrasound (TTUS) is a well-established technique for assessing brain pulsatility. This pilot study aims to explore the utility of TTUS in detecting impaired intracerebral blood flow associated with DINDs.

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Background: A recent innovation in computed tomography (CT) imaging has been the introduction of photon-counting detector CT (PCD-CT) systems, which are able to register the number and the energy level of incoming x‑ray photons and have smaller detector elements compared with conventional CT scanners that operate with energy-integrating detectors (EID-CT).

Objectives: The study aimed to evaluate the potential benefits of a novel, non-CE certified PCD-CT in detecting myeloma-associated osteolytic bone lesions (OL) compared with a state-of-the-art EID-CT.

Materials And Methods: Nine patients with multiple myeloma stage III (according to Durie and Salmon) underwent magnetic resonance imaging (MRI), EID-CT, and PCD-CT of the lower lumbar spine and pelvis.

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Purpose: The purpose of this study was to evaluate long-term survival, patient-reported outcomes (PROs) and radiographic results of matrix-associated autologous chondrocyte implantation (M-ACI) in adolescents with immature cartilage and compare them to adult controls.

Methods: A retrospective matched-pair analysis was performed comparing the PRO after M-ACI for focal cartilage defect of the knee in cartilaginous immature adolescents to mature adults. Groups were matched for sex, body mass index, defect site and size, symptom duration and the number of previous knee surgeries.

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