Publications by authors named "Borgwardt L"

: A recent retrospective study conducted by our team identified a high percentage of postoperative pneumonia in children with neuromuscular scoliosis. Based on the findings in that study and our clinical experience, we aimed to assess the effectiveness of an optimized perioperative care protocol. : As part of a prospective study, a multidisciplinary team developed a protocol that included preoperative nutritional and respiratory optimization, intra- and postoperative intravenous glucose infusion, early extubation, and postoperative nutritional optimization.

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: Paediatric PET/CT imaging is crucial in oncology but poses significant radiation risks due to children's higher radiosensitivity and longer post-exposure life expectancy. This study aims to minimize radiation exposure by generating synthetic CT (sCT) images from emission PET data, eliminating the need for attenuation correction (AC) CT scans in paediatric patients. : We utilized a cohort of 128 paediatric patients, resulting in 195 paired PET and CT images.

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Aim: To investigate liver biochemistry in infants screened for biliary atresia (BA) at the time of hepatobiliary scintigraphy (HS) and to evaluate the effect of change in threshold for HS.

Methods: Infants born from 2010 to 2021, who underwent HS <6 months postpartum for BA, were included and data sourced from electronic medical records. The change in threshold in 2018 from ≥20 (and/or if conjugated bilirubin exceeds 20% of total bilirubin) to ≥17 μM (regardless of total bilirubin) was evaluated.

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Aim: Indocyanine green (ICG) clearance, a sensitive biomarker for liver function, has not been validated in children. We assessed the association between ICG clearance and liver function in children with liver disease.

Methods: ICG plasma disappearance rate (ICG-PDR, %/min) was measured in children with liver disease.

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Background: The occurrence of colorectal cancer (CRC) is increasing among young adults, but the etiology is still largely unknown. In addition to germline monogenetic variants also polygenic risk scores (PRS) have been proven to correctly estimate the risk of CRC.

Case Description: We present a 24-year-old male with disseminated colon cancer who carried a germline duplication on chromosome 1 spanning 200 kb and covering and parts of and .

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  • Tetralogy of Fallot patients often develop complications like chylothorax and pleural effusions after surgery due to factors affecting their lymphatic system.
  • This study evaluated the structure and function of the lymphatic system in young post-repair patients using advanced imaging techniques.
  • Although no clinical lymphatic disease was observed, some patients showed significant lymphatic abnormalities, prompting the need for further research to understand the cause and implications of these findings.
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  • Enzyme replacement therapy (ERT) with velmanase alfa demonstrated effectiveness and safety for up to 12 years in patients with alpha-mannosidosis based on a pooled analysis from two multicenter trials.
  • In pediatric patients, improvements in six-minute walk test (6MWT) and stair climb test (3MSCT) were observed, while adult patients showed stabilization or slight decline in performance.
  • The treatment resulted in sustained clearance of serum oligosaccharides and increased serum immunoglobulin G (IgG) levels, with most adverse events being mild to moderate in severity, indicating that velmanase alfa is generally well-tolerated.
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Meta-[I]iodobenzylguanidine ([I]MIBG) scintigraphy with SPECT/CT is the standard of care for diagnosing and monitoring neuroblastoma. Replacing [I]MIBG with the new PET tracer meta-[F]fluorobenzylguanidine ([F]MFBG) and further improving sensitivity and reducing noise in a new long-axial-field-of-view (LAFOV) PET/CT scanner enable increased image quality and a faster acquisition time, allowing examinations to be performed without sedation or general anesthesia (GA). Focusing on feasibility, we present our first experience with [F]MFBG LAFOV PET/CT and compare it with [I]MIBG scintigraphy plus SPECT/CT for imaging in neuroblastoma in children.

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Background: Human genetic contribution to HIV progression remains inadequately explained. The type 1 interferon (IFN) pathway is important for host control of HIV and variation in type 1 IFN genes may contribute to disease progression. This study assessed the impact of variations at the gene and pathway level of type 1 IFN on HIV-1 viral load (VL).

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Aim: To determine if children with neonatal cholestatic liver disease had concurrent and later findings on brain imaging studies that could be attributed and the cholestasis to contribute to the understanding of the impaired neuropsychological development.

Methods: Ovid MEDLINE and EMBASE were searched on July 21, 2022, and updated on March 26, 2023. Studies with children under 18 years of age with neonatal cholestasis and a brain scan at the time of diagnosis or later in life were included.

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Epilepsy is one of the most frequent neurological conditions with an estimated prevalence of more than 50 million people worldwide and an annual incidence of two million. Although pharmacotherapy with anti-seizure medication (ASM) is the treatment of choice, ~30% of patients with epilepsy do not respond to ASM and become drug resistant. Focal epilepsy is the most frequent form of epilepsy.

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Whole genome sequencing (WGS) is becoming the preferred method for molecular genetic diagnosis of rare and unknown diseases and for identification of actionable cancer drivers. Compared to other molecular genetic methods, WGS captures most genomic variation and eliminates the need for sequential genetic testing. Whereas, the laboratory requirements are similar to conventional molecular genetics, the amount of data is large and WGS requires a comprehensive computational and storage infrastructure in order to facilitate data processing within a clinically relevant timeframe.

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  • Scientists are studying different types of imaging to see how well they can find and assess neuroblastoma in kids, especially comparing a method called mIBG with new PET scans.!
  • They looked at 10 studies involving 181 patients and found that the PET scans could detect more tumors than the mIBG method in many cases.!
  • Although PET scans seem to work better, doctors are still figuring out if this will really change how they treat patients in the future.!
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Context: Nonpharmacological strategies are increasingly used in pediatric procedures, but in pediatric MRI, sedation and general anesthesia are still commonly required.

Objectives: To evaluate the effectiveness of nonpharmacological interventions in reducing use of sedation and general anesthesia in pediatric patients undergoing MRI, and to investigate effects on scan time, image quality, and anxiety.

Data Sources: We searched Ovid Medline, CINAHL, Embase, and CENTRAL from inception through October 10, 2022.

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Unlabelled: The purpose of the study was to conduct a nutritional and metabolic assessment of children with cerebral palsy, including an investigation of liver status, body composition, and bone mineral density. In this cross-sectional study we included 22 children with cerebral palsy. By using ultrasound, transient elastography, dual x-ray absorptiometry (DXA) scan, blood samples, anthropometric measurements, and a three-day diet registration, the nutritional and metabolic status was evaluated.

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Background: Malignant liver tumours in children are rare and national outcomes for this tumour entity are rarely published. This study mapped paediatric liver tumours in Denmark over 35 years and reported on the incidence, outcomes and long-term adverse events.

Methods: We identified all liver tumours from the Danish Childhood Cancer Registry and reviewed the case records for patient and tumour characteristics, treatment and clinical outcome.

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Biliary atresia (BA) is a rare congenital liver disease with unknown etiology, and it is the most common indication for liver transplantation in children. As BA infants suffer from intestinal malabsorption and neurodevelopmental deficits, it is necessary to identify optimal medical and nutritional strategies using appropriate neonatal animal models. We aim to determine the feasibility of using newborn piglets with surgically induced cholestasis (bile duct ligation (BDL)) to mimic clinical features of BA.

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  • - Alpha-mannosidosis (AM) is a genetic disorder causing lysosomal enzyme deficiency, leading to the buildup of specific sugars; Velmanase alfa (VA) is the first enzyme replacement therapy targeting AM's non-neurological symptoms.
  • - A study involving 33 patients on VA explored if genetic subgroups (G1, G2, G3) influenced antibody response (antidrug antibodies or ADAs) and related infusion reactions, finding that G1 and G2 were more likely to develop ADAs but most patients experienced mild or no infusion-related reactions.
  • - Despite some patients developing ADAs, the overall treatment effects on serum oligosaccharides and clinical outcomes were similar across ADA-positive and ADA-negative
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  • The ongoing war in Ukraine may lead to an increase in tuberculosis (TB) cases in Western Europe, making the choice of diagnostic imaging protocols for children crucial.
  • A research review analyzed studies from 1972 to 2022 that compared various imaging techniques (like chest X-Ray, CT, MRI, and ultrasound) in diagnosing pulmonary TB in children aged 0-18 years.
  • Results indicated that CT scans are more effective than chest X-Rays in detecting TB, with CT confirming the diagnosis in nearly all cases studied, while MRI also showed higher detection rates than CXR.
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Aim: The aim of this study was to conduct a metabolic and nutritional assessment of children with neuromuscular disorders, including the investigation of the liver and bone mineral density.

Methods: In this observational study, we included 44 children with neuromuscular disorders. The nutritional status, bone health and liver were assessed by ultrasound, transient elastography, dual X-ray absorptiometry scan, blood samples, anthropometric measurements and 3-day diet registration.

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Consistent annotation of data is a prerequisite for the successful training and testing of artificial intelligence-based decision support systems in radiology. This can be obtained by standardizing terminology when annotating diagnostic images. The purpose of this study was to evaluate the annotation consistency among radiologists when using a novel diagnostic labeling scheme for chest X-rays.

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  • - Elastography is a noninvasive method used to assess liver fibrosis, and this study compares the effectiveness of three techniques—2D shear wave ultrasound elastography (USe), Transient Elastography (TE), and Magnetic Resonance elastography (MRe)—in pediatric patients with liver disease. - The study analyzed 93 patients and found that all three elastographic methods had strong ability to predict advanced fibrosis (stages F3-4), with MRe showing the highest performance, followed closely by TE. - TE is highlighted as a particularly reliable and easy technique for evaluating liver fibrosis in children, while combining the different methods did not significantly improve predictive accuracy.
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