Publications by authors named "Jessica P Woolfson"

Objectives: In an era of increasing paediatric obesity and inflammatory bowel disease (IBD), this study evaluates the disease phenotype and clinical course of Crohn's disease (CD) in paediatric patients who are obese or overweight.

Methods: This is a retrospective, single-center, descriptive observational study from January 2010 to May 2020. Participants were included if they were: aged 2 to 18 years at the time of diagnosis, had a confirmed diagnosis of CD, and met WHO criteria for overweight or obesity at the time of diagnosis or within one year before diagnosis.

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Objective: Remote investigation and monitoring have gained importance in ambulatory practice. A home-based fecal calprotectin (FC) test has been developed where the sample is processed and analyzed at home through a smartphone application. We aimed to assess the use of standard ELISA (sFC) versus home-based (hFC) FC testing in a general pediatric gastroenterology clinic.

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Background: Prior to the COVID-19 pandemic, in-clinic visits were the standard of care for pediatric physicians and surgeons at our center. At the pandemic onset, web-based care was adopted at an unprecedented scale and pace.

Objective: This descriptive study explores the web-based care experience of pediatric physicians and surgeons during the pandemic by determining factors that supported and challenged web-based care adoption.

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Pancreatic insufficiency (PI) is found in 85% of individuals with cystic fibrosis (CF). Of the remaining who are pancreatic sufficient (PS), there is potential for developing pancreatitis, and is described in ~20% of PS individuals. We report a case of a 17.

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Background: Diagnosis and monitoring of cystic fibrosis liver disease (CFLD) is challenging. Transient elastography (TE) is a rapid, non-invasive method for assessing liver fibrosis. Its role in detecting fibrosis in CFLD has only begun to be explored.

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Sarcopenia predicts morbidity and mortality in adults with end-stage liver disease (ESLD) and is determined by total psoas muscle area (tPMA) measurement from computed tomography (CT) imaging. Recently developed pediatric age- and sex-specific tPMA growth curves provide the opportunity to ascertain prevalence and impact of sarcopenia in children awaiting liver transplantation (LT). This retrospective single-center study evaluated sarcopenia in children between 1 and 16 years with ESLD and a clinically indicated abdominal CT less than 3 months before first isolated LT.

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Background: Sarcopenia, the unintentional loss of skeletal muscle mass, is associated with poor outcomes in adult patient populations. In adults, sarcopenia is often ascertained by cross-sectional imaging of the psoas muscle area (PMA). Although children with chronic medical illnesses may be at increased risk for muscle loss because of nutritional deficiencies, physical deconditioning, endocrine anomalies, and systemic inflammation, consistent quantitative definitions for sarcopenia in children are lacking.

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Background: Passenger lymphocyte syndrome (PLS) is a less known etiology of acute onset anemia following ABO-compatible (ABO-c) liver transplantation (LT). Available literature on PLS after pediatric LT is limited. Therefore, we evaluated the prevalence, clinical course, and risk factors of PLS in children following ABO-c LT.

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Background And Objectives: Biliary atresia (BA), a rare newborn liver disease, is the leading cause of liver-related death in children. Early disease recognition and timely surgical Kasai hepatoportoenterostomy (KP) offers long-term survival without liver transplant. Universal BA screening in Taiwan using infant stool color cards (ISCCs) has proven effectiveness.

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Cadmium is a highly toxic environmental pollutant that has been classified as a human carcinogen. Toxicological responses to cadmium exposure include respiratory diseases, neurological disorders and kidney damage. In the present study, we have characterized the effect of cadmium on the accumulation of the small heat shock protein (HSP), HSP30, in Xenopus laevis A6 kidney epithelial cells.

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Purpose: To describe the current and future financial needs of interventional radiology (IR) in Canada.

Materials And Methods: The Millennium Research Group, an independent market research firm, was commissioned by the Canadian Interventional Radiology Association to create a report examining the current status and outlook of interventional radiology in Canada. This article presents some of the key findings.

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