Publications by authors named "Cynthia H Seow"

Background & Aims: Pregnancy can be a complex and risk-filled event for women with inflammatory bowel disease (IBD). High-quality studies in this population are lacking, with limited data on medications approved to treat IBD during pregnancy. For patients, limited knowledge surrounding pregnancy impacts pregnancy rates, medication adherence, and outcomes.

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Background & Aims: Pregnancy can be a complex and risk filled event for women with inflammatory bowel disease (IBD). High-quality studies in this population are lacking, with limited data on medications approved to treat IBD during pregnancy. For patients, limited knowledge surrounding pregnancy impacts pregnancy rates, medication adherence, and outcomes.

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Background & Aims: Pregnancy can be a complex and risk-filled event for women with inflammatory bowel disease (IBD). High-quality studies in this population are lacking, with limited data on medications approved to treat IBD during pregnancy. For patients, limited knowledge surrounding pregnancy impacts pregnancy rates, medication adherence, and outcomes.

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Background & Aims: Pregnancy can be a complex and risk filled event for women with inflammatory bowel disease (IBD). High-quality studies in this population are lacking, with limited data on medications approved to treat IBD during pregnancy. For patients, limited knowledge surrounding pregnancy impacts pregnancy rates, medication adherence, and outcomes.

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Background & Aims: Pregnancy can be a complex and risk-filled event for women with inflammatory bowel disease (IBD). High-quality studies in this population are lacking, with limited data on medications approved to treat IBD during pregnancy. For patients, limited knowledge surrounding pregnancy impacts pregnancy rates, medication adherence, and outcomes.

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Introduction: Pregnancy can be a complex and risk filled event for women with inflammatory bowel disease (IBD). High-quality studies in this population are lacking, with limited data on medications approved to treat IBD during pregnancy. For patients, limited knowledge surrounding pregnancy impacts pregnancy rates, medication adherence, and outcomes.

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Background: Individuals with inflammatory bowel disease (IBD) require comprehensive care to address the physical and psychosocial burden of their disease. The demand for IBD care often exceeds availability, resulting in delayed access and suboptimal management. As a result, patients with IBD are required to self-manage significant aspects of their disease between appointments with their medical team.

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Background & Aims: Colonoscopy is recommended to monitor for Crohn's disease (CD) recurrence after surgical resection. However, repeated colonoscopy is invasive and resource-intensive. We conducted a systematic review and meta-analysis to evaluate the pooled diagnostic accuracy of noninvasive biomarkers and imaging measures for detecting endoscopic CD recurrence, as compared with colonoscopy.

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Background: Inflammatory bowel disease (IBD) is a chronic condition requiring lifelong management and frequent interactions with healthcare providers. Digital health tools have the potential to enhance disease management by providing real-time data and improving care coordination. Despite their potential, there is limited evidence on patient perspectives regarding barriers and facilitators to the adoption of these tools.

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Background: Historically, randomized controlled trials (RCTs) have been criticized for being poorly generalizable to patients with ulcerative colitis (UC) evaluated in routine care. We aimed to evaluate the proportion of patients with UC starting an advanced therapy who would be eligible to participate in phase 3 registrational UC RCTs.

Methods: We conducted a retrospective cohort analysis of UC patients starting vedolizumab, ustekinumab, or tofacitinib at 2 IBD clinics at the University of Calgary.

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Introduction: Children born to women with inflammatory bowel disease (IBD) may have increased health care utilization in early life due to genetic susceptibilities and exposure to inflammation in utero, although this has not been robustly evaluated. We aimed to characterize health care use between these groups.

Methods: We accessed province-wide health administrative databases to identify children born to women with and without IBD between 2002 and 2019.

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Article Synopsis
  • There are many treatment options for inflammatory bowel disease (IBD), but the current standard doses often don't meet the desired results, highlighting the need to improve existing therapies instead of only focusing on new ones.
  • The article emphasizes the use of therapeutic drug monitoring (TDM) to enhance the effectiveness of biologic therapies, particularly for TNF inhibitors, by measuring drug levels and identifying immune reactions.
  • By optimizing dosages and maintaining appropriate drug levels, patients have a better chance of achieving sustained clinical remission beyond just symptom management.
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Introduction And Objectives: There are limited recent data on the burden of chronic hepatitis B (CHB) in the North American general population. We aimed to identify the CHB burden from a Canadian population-based perspective.

Patients And Methods: Using a retrospective cohort design, we searched Alberta Analytics administrative databases including the Provincial Laboratory database, to describe CHB epidemiology and natural history in Alberta, Canada between fiscal years 2012-2020.

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Introduction: Despite a growing armamentarium of medical therapies for ulcerative colitis, colectomy remains an important therapeutic option. To better inform shared decision-making about surgery, we estimated the contemporary risk of mortality after colectomy.

Methods: Mortality rates were estimated using the National Inpatient Sample (2016-2020).

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Background And Aims: Therapeutic drug monitoring is used to optimize anti-tumour necrosis factor biologic effectiveness in inflammatory bowel disease, but its role with other biological classes is unclear. This study explores relationships between post-induction vedolizumab trough concentrations and biochemical outcomes in a real-world study of individuals with inflammatory bowel disease.

Methods: This retrospective analysis of data from a national patient support program between 2018 and 2020, included 436 individuals with Crohn's disease or ulcerative colitis receiving vedolizumab.

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Article Synopsis
  • Biologic therapies during pregnancy improve health outcomes for both mothers and their infants, but concerns exist regarding the safety of live vaccines for infants exposed to these treatments.
  • The study evaluated the immune systems of infants born to mothers with inflammatory bowel disease who were treated with various biologics and assessed the safety of administering the live rotavirus vaccine.
  • Results showed that despite the presence of biologic drugs in the infants' systems, their immune functions were normal, and no adverse effects were reported after the rotavirus vaccination.
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Background: The typical transition from pediatric to adult care in patients with inflammatory bowel disease occurs with an increase in health care utilization and a decrease in adherence to medications and scheduled appointments. An effective transition could reduce negative impacts but requires identifying opportunities to improve this process. This study aims to describe barriers and facilitators of transition according to patients, parents, and health care providers.

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Pregnant women with chronic hepatitis B (CHB) are a priority population for hepatitis B care. Identification of HBV status prior to pregnancy would facilitate timely maternal interventions and perinatal care. In our study, we aimed to study the epidemiology of CHB among women of childbearing age (WoCBA, 18-49 years) in Alberta, Canada.

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Parents of young adults with chronic disease are important stakeholders in their child's transition from pediatric to adult care. There remains a gap in characterizing the parent experience during transition. This study describes the experiences of 13 mothers of young adults with inflammatory bowel disease during their child's transition.

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Background: Janus kinase (JAK) inhibitors are effective for the treatment of inflammatory bowel disease (IBD). However, this class of medications is not recommended during pregnancy or breastfeeding based on animal data suggesting teratogenesis and recent reports of transmammary transfer after maternal ingestion, raising concerns for immune system development in babies exposed to these drugs.

Methods: We present the case of a patient with IBD treated with a JAK inhibitor who decided to continue the medication throughout her pregnancy and during breastfeeding.

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Introduction: Immigrants with inflammatory bowel disease (IBD) may have increased healthcare utilization during pregnancy compared with non-immigrants, although this remains to be confirmed. We aimed to characterize this between these groups.

Methods: We accessed administrative databases to identify women (aged 18-55 years) with IBD with a singleton pregnancy between 2003 and 2018.

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Background: Thiopurines are commonly used to treat inflammatory bowel disease (IBD). Thiopurines are considered safe throughout pregnancy. However, a published study suggested the risk of neonatal anemia was increased if exposed to thiopurines in utero.

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Sex (the physical and physiologic effects resulting from having specific combinations of sex chromosomes) and gender (sex-associated behaviours, expectations, identities, and roles) significantly affect the course of inflammatory bowel disease (IBD) and the experience of living with IBD. Sex-influenced physiologic states, like puberty, the menstrual cycle, pregnancy, and andropause/menopause may also impact and be impacted by IBD. While neither Crohn's disease nor ulcerative colitis is commonly considered sex-determined illnesses, the relative incidence of Crohn's disease and ulcerative colitis between males and females varies over the life cycle.

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Background: Attendance at a subspecialty pregnancy clinic for women with inflammatory bowel disease (IBD) improves disease-specific pregnancy knowledge. We examined the impact of attendance at a dedicated IBD-pregnancy clinic on IBD and perinatal outcomes.

Methods: Using linked administrative databases in Alberta, Canada (2012-2019), we identified 1061 pregnant women with IBD who delivered singleton liveborn infants in-hospital who did (n = 314) and did not attend (n = 747) the clinic.

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