Publications by authors named "Kremer T"

(1) Background: This study investigates the impact of social vulnerability, as quantified by the Social Vulnerability Index (SVI), on animal shelter intakes and adoptions, and the flow of animals between SVI groups at seven shelters within the United States. Understanding how social vulnerability influences these factors is crucial for developing targeted interventions to improve shelter outcomes and community support programs. (2) Methods: The research analyzed intake and adoption data from multiple animal shelters to assess the relationship between the social vulnerability at intake and adoption locations based on Census Tract obtained from addresses, focusing on comparison across strays, seized animals, and owner surrenders.

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Background: The cleaning of reusable medical devices involves inherent challenges that can impact on the effectiveness of the cleaning process; consequently, the subsequent safety of patients. Fluid dynamics play a critical role in determining the flow and distribution of cleaning agents where the design of the device can either facilitate or hinder this important process. Complex geometries, narrow channels, or irregular surfaces can impede effective flushing of contaminants leading to incomplete cleaning that creates a greater likelihood for patient contamination risks.

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Article Synopsis
  • - Autologous postmastectomy breast reconstruction shows better long-term clinical outcomes and patient satisfaction compared to implant-based methods, but adjuvant radiotherapy has often been seen as a barrier to immediate reconstruction.
  • - Recent advancements in postmastectomy radiotherapy (PMRT) have reduced complications, yet plastic surgeons remain cautious about offering immediate flap-based reconstruction to patients requiring radiotherapy.
  • - At a recent workshop, experts concluded that PMRT should not be viewed as a deterrent to immediate autologous reconstruction, emphasizing goals like symmetry, softness, and skin preservation in the reconstruction process.
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Background: The duration of the training for hand surgery in Germany was reduced from three to two years in 2020, while other European Countries introduced hand surgery as a separate surgical specialty. Therefore, the structure of hand surgery training in Germany is under intense, ongoing discussion.

Objectives: This study aimed to evaluate the current situation of hand surgery training in Germany.

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Background: Type-2 diabetes influences the course and severity of hand infections.

Methods: We prospectively examined glucose metabolism in 90 patients with hand infection, distinguishing between normal, prediabetic and diabetic states. HbA1c-levels were evaluated prior to surgery.

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Background: The precise analysis of the injured structures requiring reconstruction in complex wound defects is a prerequisite for successful restoration.

Objective: The fundamental reconstructive strategies for soft tissue defects of the extremities including injuries to vessels, nerves and burn wounds in the context of the acute and post-acute trauma phases are presented.

Material And Methods: The different phases of soft tissue reconstruction are described.

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This research examines the ways people acquire dogs in the US as well as the ways the dogs leave the household and the way these differ by income level in seven geographically diverse study communities. A web-based panel survey was distributed and received 6318 responses. Individuals were asked a series of demographic and socioeconomic questions as well as how they acquired their current dogs, how previous dogs left their household, and where they left to.

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Introduction: Sensory nerve endings transmit mechanical stimuli into afferent neural signals and form the basis of proprioception, giving rise to the self-perception of dynamic stability of joints. We aimed to analyze the three-dimensional structure of periarticular corpuscular sensory nerve endings in a carpal ligament to enhance our understanding of their microstructure.

Methods: Two dorsal parts of the scapholunate ligament were excised from two human cadaveric wrist specimens.

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Background: Understanding the biological processes that underlie individual differences in emotion regulation and stress responsivity is a key challenge for translational neuroscience. The gene FKBP5 is a core regulator in molecular stress signaling that is implicated in the development of psychiatric disorders. However, it remains unclear how FKBP5 DNA methylation in peripheral blood is related to individual differences in measures of neural structure and function and their relevance to daily-life stress responsivity.

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Objective: Heterozygous mutations within the voltage-gated sodium channel α subunit () are responsible for the majority of cases of Dravet syndrome (DS), a severe developmental and epileptic encephalopathy. Development of novel therapeutic approaches is mandatory in order to directly target the molecular consequences of the genetic defect. The aim of the present study was to investigate whether cis-acting long non-coding RNAs (lncRNAs) of are expressed in brain specimens of children and adolescent with epilepsy as these molecules comprise possible targets for precision-based therapy approaches.

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Article Synopsis
  • Burn injuries present a unique challenge, ranging from minor burns to life-threatening cases, with insufficient treatment leading to significant quality of life issues.* -
  • Treatment approaches vary: superficial second-degree burns can often be managed outpatient with wound dressings, while deeper burns may require surgical debridement and advanced methods like enzymatic debridement.* -
  • Third-degree burns necessitate early intervention involving debridement and skin grafting, with aftercare essential for addressing long-term visible effects.*
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While selecting the test variables for a cleaning validation for reusable medical devices, the manufacturer must provide a simulative and clinically representative challenge for the device. An appropriate challenge must be identified with care so as not to overchallenge the cleaning process by selecting the worst case for every variable, thus leading to an impossible validation or unrealistic processing requirements. To appropriately select the testing variables, an understanding of the challenge to the cleaning process is important.

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The identification of worst-case device (or device set) features has been a well-established validation approach in many areas (e.g., terminal sterilization) for determining process effectiveness and requirements, including for reusable medical devices.

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Protein assays commonly used to evaluate reusable device cleanliness do not always accurately measure the low concentrations of protein that are expected on reusable medical devices after processing. Methods often are adapted to provide an estimation of protein concentration; however, sensitivity issues in the portion of standard curves at the acceptance criteria of 6.4 μg/cm protein have been reported.

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A central tenet in infection prevention is application of the Spaulding classification system for the safe use of medical devices. Initially defined in the 1950s, this system defines devices and surfaces as being critical, semi-critical or non-critical depending on how they will be used on a patient. Different levels of antimicrobial treatment, defined as various levels of disinfection or sterilization, are deemed appropriate to reduce patient risk of infection.

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Background: Giant cell tumors grow locally invasive with osseous and soft tissue destruction, requiring wide resection to avoid recurrence. Stable reconstruction of the first carpometacarpal (CMC-1) joint remains a challenge due to its high range of mobility. The latter is of paramount for the functionality of the hand.

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Background: The Charlson Comorbidity Index (CCI) is used for the prognostic analysis of comorbidities. Comorbidities, especially diabetes mellitus, are a decisive factor for the development and course of hand infections. This study aimed to determine the CCI in patients with hand infections in order to examine how comorbidities influence the course and severity of hand infections.

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Hand infections are a common problem in emergency departments. is the main pathogen of both hand and blood stream infections. Therefore, the aim of the present study was to evaluate the frequency and impact of bacteremia in patients with hand infections to improve the microbiologic diagnostics.

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In addition to anaplastic large T-cell lymphomas (BIA-ALCL), other implant-related tumors have been described for some years. Squamous cell carcinoma (SSC) and B-cell lymphomas occurred in very rare cases. The unexplained pathogenesis as well as the unclear individual risk profile is an ongoing source of uncertainty for patients and physicians.

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Article Synopsis
  • The treatment of burn injuries varies significantly based on the severity, from minor burns to life-threatening cases, requiring tailored approaches to optimize healing and quality of life.
  • Superficial second-degree burns can often be managed outpatient with modern dressings, while deeper second-degree and indeterminate burns typically need debridement, including options like enzymatic debridement.
  • Third-degree burns necessitate early debridement and skin grafting, and patients should receive long-term aftercare to address visible and functional challenges post-recovery.
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Hospital acquired infections stemming from contaminated reusable medical devices are of increasing concern. This issue is exaggerated with the introduction of complex medical devices like endoscopes and robotic instrumentation. Although medical device manufacturers validate their cleaning instructions for use, evidence in the literature demonstrates that effective device processing is not being performed consistently within sterile processing departments in clinical settings.

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Background: Nerve conduits are either used to bridge nerve gaps of up to 3 cm or to protect nerve coaptations. Biodegradable nerve conduits, which are currently commercially available, include Chitosan or collagen-based ones. As histological aspects of their degradation are highly relevant for the progress of neuronal regeneration, the aim of this study was to report the histopathological signs of such nerve conduits, which were removed during revision surgery.

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Upon drying, physical changes of the characteristics of proteins are observed by coagulation, but the nature and chronology of these changes have not been well studied. Coagulation changes the structure of protein from liquid to a solid or a thicker liquid by heat, mechanical action, or acids. Changes may have implications regarding the cleanability of reusable medical devices; therefore, an understanding of the chemical phenomena associated with drying of proteins is essential to ensuring adequate cleaning and mitigation of retained surgical soils.

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In the healthcare environment, delays can occur that prevent reusable devices from being processed within the specified time outlined in manufacturers' instructions for use. It has been suggested in the literature and industry standards that residual soil components, such as proteins, may undergo a chemical change when they are exposed to heat or experience prolonged drying times under ambient conditions. However, little experimental data are available in the literature to document this change or how is may be addressed for cleaning efficacy.

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Cleaning is essential to ensuring the safe processing of reusable medical devices, and most manufacturers' instructions for use (IFUs) specify that clinical soil should not be allowed to dry on devices. If soil is allowed to dry, the cleaning challenge could be increased due to change in soil solubility. As a result, an additional step could be needed to reverse the chemical changes and return a device to a state where cleaning instructions are appropriate.

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