Publications by authors named "Christina Poulsen"

Introduction: Individuals with type 1 diabetes (T1D) and diabetic nephropathy (DN) experience progressive kidney function decline and high risk of cardiovascular disease (CVD) and mortality. This study explored changes in kidney function decline in new-onset DN between 2000 and 2020 and provided an updated prognosis for risk of kidney failure, CVD, and mortality.

Methods: This is a register-based cohort study in T1D with new-onset DN (severely increased albuminuria) between 2000 and 2020 at Steno Diabetes Center Copenhagen, Denmark.

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Background: The gut microbiota has been implicated in adult obesity, but the causality is still unclear. It has been hypothesized that an obesity-prone gut microbiota can be established in infancy, but only few studies have examined the early-life gut microbiota in relation to obesity in childhood, and no consistent associations have been reported. Here, we examine the association between the early-life gut microbiota and body mass index (BMI) development and body composition throughout childhood.

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Article Synopsis
  • Individuals with type 2 diabetes and increased albuminuria face a higher risk of cardiovascular disease and premature death, highlighting the need for improved understanding of their health risks.
  • A cross-sectional study involving 463 individuals analyzed the relationship between albuminuria and various markers related to blood vessel function, clotting, and platelet activity, revealing important findings.
  • Results showed a clear link between higher albuminuria levels and increased markers of endothelial function and fibrinogen, but no connection was found between albuminuria and thrombin generation or platelet activity among the participants without cardiovascular disease.
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Bacteriophage (also known as phage) communities that inhabit the gut have a major effect on the structure and functioning of bacterial populations, but their roles and association with health and disease in early life remain unknown. Here, we analyze the gut virome of 647 children aged 1 year from the Copenhagen Prospective Studies on Asthma in Childhood (COPSAC) mother-child cohort, all deeply phenotyped from birth and with longitudinally assessed asthma diagnoses. Specific temperate gut phage taxa were found to be associated with later development of asthma.

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Culture techniques have associated colonization with pathogenic bacteria in the airways of neonates with later risk of childhood asthma, whereas more recent studies utilizing sequencing techniques have shown the same phenomenon with specific anaerobic taxa. Here, we analyze nasopharyngeal swabs from 1 month neonates in the COPSAC prospective birth cohort by 16S rRNA gene sequencing of the V3-V4 region in relation to asthma risk throughout childhood. Results are compared with previous culture results from hypopharyngeal aspirates from the same cohort and with hypopharyngeal sequencing data from the later COPSAC cohort.

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Background: Diabetic kidney disease is a major cause of morbidity and mortality. Dysregulated turnover of collagen type III is associated with development of kidney fibrosis. We investigated whether a degradation product of collagen type III (C3M) was a risk marker for progression of chronic kidney disease (CKD), occurrence of cardiovascular disease (CVD), and mortality during follow up in people with type 2 diabetes (T2D) and microalbuminuria.

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Background: Growing up with siblings has been linked to numerous health outcomes and is also an important determinant for the developing microbiota. Nonetheless, research into the role of having siblings on the developing microbiota has mainly been incidental.

Results: Here, we investigate the specific effects of having siblings on the developing airway and gut microbiota using a total of 4497 hypopharyngeal and fecal samples taken from 686 children in the COPSAC cohort, starting at 1 week of age and continuing until 6 years of age.

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Background: Therapeutic treatment options for chronic autoimmune disorders such as multiple sclerosis (MS) rely largely on the use of non-specific immunosuppressive drugs, which are not able to cure the disease. Presently, approaches to induce antigen-specific tolerance as a therapeutic approach; for example, by peptide-based tolerogenic 'inverse' vaccines have regained great interest. We have previously shown that coupling of peptides to carriers can enhance their capacity to induce regulatory T cells .

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Purpose: To determine the long-term outcome of patients operated with pars plana vitrectomy (PPV) for primary rhegmatogenous retinal detachment (RRD) and to identify potential predictors for poor visual outcome.

Methods: Prospective, observational 30-month study of patients operated for primary RRD with PPV. Examinations were performed preoperatively and after months 2, 6, and 30.

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Purpose: To detect pre- and postoperative retinal changes in fundus autofluorescence (AF) and spectral domain optical coherence tomography (SD-OCT) and to correlate these with functional outcome in patients with primary rhegmatogenous retinal detachment (RRD).

Methods: A prospective, 30-month study of patients operated with 25-gauge vitrectomy for primary RRD. Patients were examined preoperatively and after 6 and 30 months, using ultrawide-field AF images (UWFI) (Optos 200Tx) and SD-OCT (Topcon 3D OCT-2000) imaging.

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Introduction: Since the introduction of the quadrivalent human papillomavirus vaccine, young girls and women have reported a broad range of symptoms. These have been described as possible adverse effects of the vaccine. In this study, we describe demographic characteristics, symptomatology, clinical and laboratory test results in patients referred with suspected adverse effects in the Region of Southern Denmark.

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The retinal vascular system is the only part of the human body available for direct, in vivo inspection. Noninvasive retinal markers are important to identity patients in risk of sight-threatening diabetic retinopathy. Studies have correlated structural features like retinal vascular caliber and fractals with micro- and macrovascular dysfunction in diabetes.

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In the course of an uncomplicated sigmoidostomy a 63-year-old male who had severe comorbidity developed a critical bleeding due to dabigatran intoxication induced by acute kidney injury. Massive blood transfusions, tranexamic acid, Octaplex and haemodialysis were not effective. Administration of idarucizumab induced immediate clinical and paraclinical improvement.

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Introduction: Health related quality of life (HRQOL) is markedly reduced in hemodialysis patients compared to the general population. We investigated the course of self-reported HRQOL over time and the association with selected factors, focusing on changes in glomerular filtration rate (GFR).

Methods: Eighty-two newly started hemodialysis patients from the SAFIR cohort filled out the Kidney Disease Quality of Life Short Form Version 1.

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Purpose: To examine the incidence of retinal detachments and to evaluate patient profiles and surgical characteristics.

Methods: Retrospective review of patients operated for primary retinal detachment (RD) and redetachment between 2010 and 2012 at the Department of Ophthalmology, Odense University Hospital, Denmark. We included all RD such as rhegmatogenous retinal detachment (RRD), tractional retinal detachment (TRD) and exudative retinal detachment (ERD).

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Peptide-based therapy is a promising strategy for antigen-specific immunosuppression to treat or even heal autoimmune diseases with significantly reduced adverse effects compared to conventional therapies. However, there has been no major success due to the drawbacks of native peptides, i.e.

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