Publications by authors named "Killian R"

Background And Aims: The advantages of endoscopic vs histologic assessments of inflammation in inflammatory bowel disease remain unclear. We compared endoscopic and histologic inflammation in a prospective cohort. Furthermore, in patients with discordant findings, we compared the ability of endoscopy vs histology to predict disease course.

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Importance: Home treatment (HT) has been associated with fewer inpatient treatment (IT) readmission days but lacks evidence on reducing combined psychiatric hospital service use (IT, HT, day clinic).

Objective: To assess the association of intensive home treatment (IHT) compared with IT regarding readmission rate, social outcomes, and clinical outcomes.

Design, Setting, And Participants: This quasi-experimental, nonrandomized trial was conducted from 2020 to 2022 in 10 psychiatric hospitals in Germany.

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  • Crohn's disease (CD) causes chronic inflammation in the intestines, and diet plays a crucial role in shaping the gut microbiome, which might impact CD symptoms.
  • A study investigated how a high-fiber, low-fat diet (Mi-IBD) affects gut microbiome function in CD patients over 8 weeks, comparing those who received diet counseling and catered meals.
  • The results showed that the Mi-IBD diet improved carbohydrate metabolism in CD patients, with notable differences in microbial function based on whether the disease affected the ileum or colon, benefiting those with colonic involvement the most.
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  • HIV and syphilis are commonly found in sub-Saharan Africa, and a study aimed to look at active syphilis prevalence while factoring in HIV status and demographic details across five countries: Ethiopia, Tanzania, Uganda, Zambia, and Zimbabwe.
  • The study involved over 100,000 participants aged 15 and older, who provided demographic and behavioral data along with blood samples for testing. Active syphilis was identified using specific antibody tests, and results were analyzed using statistical models.
  • Results showed varying syphilis prevalence rates across the countries, with an estimated 1,027,615 individuals affected; those living with HIV had notably higher syphilis rates compared to those without HIV.
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  • - The study aimed to assess the safety and potential effectiveness of injecting cord blood platelet-rich plasma (CB-PRP) into the eyes of patients suffering from geographic atrophy linked to dry age-related macular degeneration (d-AMD).
  • - Thirteen patients participated, with one eye receiving the treatment and the other serving as a control, and outcomes were evaluated over 12 months through various visual and imaging assessments.
  • - Results indicated a slight improvement in visual acuity for the treated eyes compared to controls, but the atrophic area increased in both groups and there were no significant complications reported from the procedure.
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Purpose: The aim of our study was to evaluate changes in the retinal and choriocapillaris circulations in patients with hypothalamic amenorrhea.

Methods: Prospective, cross-sectional observational study on 25 patients (50 eyes) diagnosed with hypothalamic amenorrhea and 25 age-matched healthy women. Optical coherence tomography angiography (OCTA) was used to evaluate the vessel density (VD) of superficial capillary plexus (SCP), deep capillary plexus (DCP), and choriocapillaris VD layers in whole 6.

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Background: To describe the efficacy and safety of the adjustable system eyeWatch in vitrectomized glacomatous eyes.

Methods: Prospective, non-comparative, small case series of 2 patients who underwent glaucoma drainage device implant with the eyeWatch system. Intraocular pressure, number of medications and early and late complications were evaluated.

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There is no consensus on whether amblyopia affects the retinal vascular plexus and morphology. Previous studies focused on the differences between amblyopic patients and normal controls without evaluating amblyopic eyes after patching. To evaluate differences in the superficial vascular density of amblyopic eyes, normal eyes, and amblyopic eyes reaching normal BCVA after patch therapy, OCTA was used.

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Background: Promoting family planning (FP) is a key strategy for health, economic and population growth. Sub-Saharan Africa, with one of the lowest contraceptive prevalence and highest fertility rates globally, contributes half of the global maternal deaths. Improving the quality of FP services, including enhancing pre-service FP teaching, has the potential to improve contraceptive prevalence.

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Overexpression and/or abnormal cleavage of amyloid precursor protein (APP) are linked to Alzheimer's disease (AD) development and progression. However, the molecular mechanisms regulating cellular levels of APP or its processing, and the physiological and pathological consequences of altered processing are not well understood. Here, using mouse and human cells, we found that neuronal damage induced by UV irradiation leads to specific APP, APLP1, and APLP2 decline by accelerating their secretase-dependent processing.

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The etiology of sporadic Alzheimer disease (AD) is largely unknown, although evidence implicates the pathological hallmark molecules amyloid beta (Aβ) and phosphorylated Tau. Work in animal models suggests that altered axonal transport caused by Kinesin-1 dysfunction perturbs levels of both Aβ and phosphorylated Tau in neural tissues, but the relevance of Kinesin-1 dependent functions to the human disease is unknown. To begin to address this issue, we generated human embryonic stem cells (hESC) expressing reduced levels of the kinesin light chain 1 (KLC1) Kinesin-1 subunit to use as a source of human neural cultures.

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Background: Neural induction of human pluripotent stem cells often yields heterogeneous cell populations that can hamper quantitative and comparative analyses. There is a need for improved differentiation and enrichment procedures that generate highly pure populations of neural stem cells (NSC), glia and neurons. One way to address this problem is to identify cell-surface signatures that enable the isolation of these cell types from heterogeneous cell populations by fluorescence activated cell sorting (FACS).

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  • Researchers conducted a genome-wide association study focusing on HIV-1 controllers and progressors to understand genetic factors influencing chronic viral infections.
  • They discovered over 300 significant single-nucleotide polymorphisms (SNPs) specifically within the major histocompatibility complex (MHC), emphasizing its importance for infectious diseases.
  • Key findings indicate that specific amino acids in HLA proteins, especially HLA-B and HLA-C, significantly influence the interaction between HLA and viral peptides, affecting the control of HIV infection.
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Aim: To examine the associations of job acquisition and loss in a representative, prospective community sample of people with schizophrenia living in the UK, France and Germany.

Method: A representative sample of twelve hundred and eight people with schizophrenia were recruited from selected secondary mental health services in the U.K, France and Germany and followed up for 2 years.

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Ethical issues surrounding both the lack of global access to care as well as the implementation of advancing technologies, continue to challenge the international haemophilia community. Haemophilia is not given the priority it deserves in most developing countries. Given the heavy burdens of sickness and disease and severe resource constraints, it may not be possible to provide effective treatment to all who suffer from the various 'orphan' diseases.

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Mothers and their home birth attendants residing in rural Uttar Pradesh (UP), India, were taught to recognize and take action to resolve selected maternal and neonatal life-threatening problems. Community mobilization efforts were designed to reduce delays in transport to emergency obstetric care (EOC) referral units and to increase use of family planning. Retention of knowledge and skills for recognition and intervention for maternal bleeding and newborn sepsis was enhanced when pictorial depictions of the problem or take action message or both were used as memory aids.

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This study investigates the provision of general medical and foot care, the barriers to access for foot care, and the awareness of foot risks in an urban diabetic population. A survey composed of 26 questions was mailed to 2375 diabetic patients in the San Francisco Bay area who are members of the American Diabetes Association (ADA). Three hundred ninety-two surveys were returned for a response rate of 16%.

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Interest in rock climbing has grown dramatically over the past decade. Although considerable research has been conducted on upper-extremity injuries sustained during rock climbing, there has been no comprehensive evaluation of lower-extremity injuries and related biomechanics. The authors performed a retrospective investigation of rock-climbing injuries using a survey of 104 active rock climbers of varying levels of expertise.

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