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Background and Aims Corticosteroid-free remission is a primary treatment goal in IBD which may be achieved with greater use of anti-TNF therapy. We defined temporal trends of corticosteroid use, anti-TNF use, hospitalization and surgery in a prevalent IBD cohort within the province of Alberta, Canada. Methods Health administrative data were used to identify medication dispensing, hospitalizations and surgery in individuals with IBD from 2010 to 2015. Temporal trends were calculated using log-binomial regression for medications and log-linear models for hospitalizations and surgery rates. Analyses were stratified based on geographic location. Results Of 28890 individuals with IBD, 50.3% had Crohn’s disease. One in six individuals (15.45%) were dispensed a corticosteroid. Corticosteroid use decreased in both metropolitan areas (AAPC −20.08%, 95% CI: −21.78 to −18.04) and non-metropolitan areas (AAPC −18.14%, 95% CI: −20.78 to −18.04) with a similar pattern for corticosteroid dependence. Corticosteroid dependence was more prevalent in UC vs. CD (P < 0.05), and in the pediatric IBD cohort (13.45) compared to the adult (8.89) and elderly (7.54) cohorts (per 100 prevalent population, P < 0.001). The proportion of individuals dispensed an anti-TNF increased over the study period (AAPC 12.58%, 95% CI: 11.56 to 13.61). Significantly more non-metropolitan versus metropolitan residing individuals were hospitalized for any reason, for an IBD-related, or IBD-specific indication (all P < 0.001) though the proportion requiring IBD surgery was similar between groups. Conclusions An increase in anti-TNF use corresponded to a decline in corticosteroid use and dependence in those with IBD. Inequities in IBD care still exist based on location and age.

Objectives MR enterography (MRE) Index of Activity (MaRIA) and Clermont are validated scores that correlate with Crohn’s disease (CD) activity; however, the Clermont score has not been validated to correlate with the degree of change in mucosal inflammation post induction treatment in children. This pilot study evaluated if MaRIA and Clermont scores can serve as surrogates to ileocolonoscopy for assessing interval change in mucosal inflammation in pediatric CD post-induction treatment. Methods Children with known or newly diagnosed ileocolonic CD starting or changing therapy underwent ileocolonoscopy, scored with simple endoscopic score for Crohn’s disease (SES-CD), and MRE on the same day at two time points (Week 0 and 12). Accuracy of global MaRIA and Clermont indices relative to ileocolonoscopy in detecting degree of post-treatment interval change in mucosal inflammation was assessed through correlational coefficients (r). Inter-reader agreement was calculated for imaging scores through intraclass correlation (ICC). Results Sixteen children (mean age 11.5 ± 2.8) were evaluated. Global MaRIA/Clermont correlated with SES-CD in detecting the degree of change in mucosal inflammation (r = 0.676 and r = 0.677, P < 0.005, respectively). Correlation for pooled timepoint assessments between SES-CD and global MaRIA/Clermont was moderate (r = 0.546, P < 0.001 and r = 0.582, P < 0.001, respectively). Inter-rater reliability for global MaRIA and Clermont was good (ICC = 0.809 and ICC = 0.768, respectively, P < 0.001). Conclusions MRE-based global scores correlate with endoscopic indices and may be used to monitor disease changes in children with CD undergoing induction treatment, which can advise the physician if treatment changes should be made.

Background Recent advances in the management of inflammatory bowel disease (IBD) striving for new treatment targets may have decreased rates of hospitalization for flares. We compared all-cause, IBD-related, and non-IBD-related hospitalizations while accounting for the rising prevalence of IBD. Methods Population-based, administrative health care databases identified all individuals living with IBD in Alberta between fiscal year 2002 and 2018. Hospitalization rates (all-cause, IBD-related, and non-IBD-related) were calculated using the prevalent Alberta IBD population. Hospitalizations were stratified by disease type, age, sex, and metropolitan status. Data were age and sex standardized to the 2019 Canadian population. Log-linear models calculated Average Annual Percentage Change (AAPC) in hospitalization rates with associated 95% confidence intervals (CIs). Results From 2002-2003 to 2018-2019, all-cause hospitalization rates decreased from 36.57 to 16.72 per 100 IBD patients (AAPC, −4.18%; 95% CI, −4.69 to −3.66). Inflammatory bowel disease–related hospitalization rate decreased from 26.44 to 9.24 per 100 IBD patients (AAPC, −5.54%; 95% CI, −6.19 to −4.88). Non-IBD-related hospitalization rate decreased from 10.13 to 7.48 per 100 IBD patients (AAPC, −1.82%; 95% CI, −2.14 to −1.49). Those over 80 years old had the greatest all-cause and non-IBD-related hospitalization rates. Temporal trends showing decreasing hospitalization rates were observed across age, sex, IBD type, and metropolitan status. Conclusions Hospitalization rates are decreasing for all-cause, IBD-related, and non-IBD-related hospitalizations. Over the past 20 years, the care of IBD has transitioned from hospital-based care to ambulatory-centric IBD management.

The prevalence of inflammatory bowel diseases (IBD), Crohn’s disease and ulcerative colitis, in Canada, is over 0.75% in 2021. Many individuals with IBD are immunocompromised. Consequently, the World Health Organization’s declaration of a global pandemic uniquely impacted those with IBD. Crohn’s and Colitis Canada (CCC) formed the COVID-19 and IBD Taskforce to provide evidence-based guidance during the pandemic to individuals with IBD and their families. The Taskforce met regularly through the course of the pandemic, synthesizing available information on the impact of COVID-19 on IBD. At first, the information was extrapolated from expert consensus guidelines, but eventually, recommendations were adapted for an international registry of worldwide cases of COVID-19 in people with IBD. The task force launched a knowledge translation initiative consisting of a webinar series and online resources to communicate information directly to the IBD community. Taskforce recommendations were posted to CCC’s website and included guidance such as risk stratification, management of immunosuppressant medications, physical distancing, and mental health. A weekly webinar series communicated critical information directly to the IBD community. During the pandemic, traffic to CCC’s website increased with 484,755 unique views of the COVID-19 webpages and 126,187 views of the 23 webinars, including their video clips. CCC’s COVID-19 and IBD Taskforce provided critical guidance to the IBD community as the pandemic emerged, the nation underwent a lockdown, the economy reopened, and the second wave ensued. By integrating public health guidance through the unique prism of a vulnerable population, CCC’s knowledge translation platform informed and protected the IBD community.

Inflammatory bowel disease (IBD) is a disease that results from dysregulation of the immune system and frequently requires medications that can affect the immune response to infections; therefore, it was imperative to quickly understand the risk of coronavirus disease 2019 (COVID-19) infection on persons living with IBD and how that risk may be increased by commonly used IBD medications. The IBD research community in Canada and beyond quickly established collaborative efforts to better understand the specific risk posed by COVID-19 on persons with IBD. We learned that IBD itself was not a risk factor for death or serious complications of COVID-19, and that most commonly used drug classes (with the notable exception of corticosteroids) do not increase the risk of COVID-19-related adverse outcomes. The risk factors for serious complications and death from COVID-19 appear to be similar to those identified in the wider population; those being advanced age, having pre-existing heart or lung disease, and smoking. We recommend that persons with IBD do not alter their course of therapy to avoid complications of COVID-19, though the indiscriminate use of corticosteroids should be avoided. Persons with IBD should follow the same public health recommendations as the general population to reduce their personal risk of acquiring COVID-19.

There has been a dramatic rise in mental health difficulties during the coronavirus disease 2019 (COVID-19) pandemic. While young adults have the lowest risk of hospitalization and mortality due to COVID-19, they have been identified as being at highest risk of detrimental mental health outcomes during the pandemic, along with women, those with lower socioeconomic status and those with pre-existing mental health conditions. Somewhat of a crisis in mental health has emerged across the general population through the evolution of the pandemic. A national Canadian survey identified a quadrupling of those experiencing pervasive elevated anxiety symptoms early in the pandemic compared to pre-pandemic levels, and a doubling of those with pervasive elevated depressive symptoms. Independent of the pandemic, persons with inflammatory bowel disease (IBD) can face multiple challenges related to their disease, which can result in a significant psychosocial burden and psychologic distress. Anxiety and depression have been found to be more prevalent in persons with IBD. Many potential factors contribute to the increased psychologic distress and negative impacts on mental health of the COVID-19 pandemic on persons with IBD. These include the fears of contracting COVID-19 or infecting other people. Many believe that IBD or its treatments predispose them to an increased risk of COVID-19 or a worse outcome if acquired. Concerns about access to health care add to mental distress. People with IBD generally report lower quality of life (QOL) compared to community controls. Psychologic interventions, in addition to adequate disease control, have been shown to improve health-related QOL. Uncertainty is another factor associated with reduced health-related QOL. Most studies suggest that persons with IBD have suffered QOL impairment during the pandemic in comparison to the pre-pandemic period. Uncertainties brought on by the pandemic are important contributors for some of the reduction in QOL.

The risk of hospitalization and death from Coronavirus disease-19 (COVID-19) increases with age. The extreme elderly have been particularly vulnerable, with those above the age of 80 having a case-fatality rate as high as 15%. Aging of the immune system can lead to impaired inflammatory responses where eradication of an organism such as Severe Acute Respiratory Syndrome CoronaVirus 2 (SARS-CoV2) is inadequate but is exaggerated in such a way as to enhance pneumonia and acute respiratory distress syndrome. Frailty and comorbidity are both more common in the elderly, and these can enhance the morbidity and mortality from COVID-19. Studies from Northern California and Italy suggest that elderly persons with inflammatory bowel disease (IBD) were more likely to acquire SARS-CoV-2 infection than youths with IBD. While the specific impact of age-related comorbidity is less well established among people with IBD who acquire COVID-19, data from the Surveillance Epidemiology of Coronavirus Under Research Exclusion (SECURE-IBD) database reported that having two or more chronic illnesses was independently associated with developing severe COVID-19 among people with IBD. Despite having exaggerated auto-inflammatory responses, people with IBD do not appear to have an overall increased risk of developing severe COVID-19 than the general population. However, whether seniors with IBD do worse once they acquire COVID-19 compared with seniors without IBD is not known. The advent of telehealth care has posed an information technology challenge for many seniors with and without IBD. Most persons with IBD have expressed satisfaction with virtual IBD health care (phone or video-based visits). While the elderly may have less robust immune responses to vaccinations, learning from experiences with other vaccination programs, especially influenza, have shown that vaccinating seniors decreases both morbidity and mortality and, in turn, healthcare resources.

At the beginning of the coronavirus disease 2019 (COVID-19) pandemic, there were many unknowns: transmission vectors of the virus, appropriate intervention strategies and if being immunocompromised due to inflammatory bowel disease (IBD), for example, or medications put a person at increased risk for severe COVID-19. Imposing and relaxing of public health restrictions at different times and in different regions in Canada led to different epidemiologies of the virus in different provinces and territories. In order to understand the waxing and waning of waves of the COVID-19 pandemic, it is necessary to understand the effective reproductive number (Rt) and the countervailing forces that exert upward or downward pressure on the spread of the virus at a given point in time. As many regions in Canada deal with a third wave, the primary forces affecting the Rt of severe acute respiratory syndrome coronavirus 2 are variants of concern and the increasing vaccinations of Canadians leading to increased population-level immunity. Fortunately, for the IBD population, current research suggests that those with IBD are not at increased risk of contracting COVID-19, nor of having a more severe disease course when compared to the general population.

Background and Aims Age is a major prognostic factor for COVID-19 outcomes. The effect of inflammatory bowel disease [IBD] activity on COVID-19 is unclear. We examined the relationship between IBD activity and COVID-19 severity according to age. Methods We included IBD patients diagnosed with COVID-19, reported to SECURE-IBD between March 13, 2020 and August 3, 2021. Clinical IBD activity was measured by physician global assessment [PGA]. COVID-19-related outcomes were [1] intensive care unit [ICU] admission, ventilation or death, and [2] hospitalization. Using generalized estimating equations, we determined adjusted odds ratios [aOR, 95% confidence interval] for moderate and severe PGA vs clinical remission/mild PGA, controlling for demographics, medications and COVID-19 diagnosis period. We performed stratified analyses by age [≤50 vs >50 years]. Results Among 6078 patients, adverse COVID-19 outcomes were more common with active IBD: ICU/ventilation/death in 3.6% [175/4898] of remission/mild, 4.9% [45/920] of moderate and 8.8% [23/260] of severe [p < 0.001]; and hospitalization in 13% [649/4898] of remission/mild, 19% [178/920] of moderate and 38% [100/260] of severe [p < 0.001]. Stratified by decade, effect sizes were larger for younger patients. In patients ≤50 years, severe PGA was independently associated with ICU/ventilation/death (aOR 3.27 [1.15–9.30]) and hospitalization (aOR 4.62 [2.83–7.55]). In contrast, severe PGA was not independently associated with COVID-19 outcomes in those older than 50 years. Conclusions Clinically active IBD may be a risk factor for severe COVID-19, particularly in younger patients. IBD disease control, including through medication compliance, and strategies to mitigate the risk of COVID-19 infection amongst patients with active IBD [e.g. distancing, immunization] are key to limit adverse COVID-19 outcomes.

Background and Aims Although venous thromboembolism [VTE] is a well-known complication of inflammatory bowel disease [IBD] in adults, limited data exist on the risk in children. We report the incidence of VTE among children with and without IBD. Methods We conducted a matched cohort study within a distributed network of population-based Canadian provincial health administrative databases. Children Results The 5-year incidence of VTE among 3593 children with IBD was 31.2 [95% CI 23.7–41.0] per 10 000 person-years [PY] compared to 0.8 [95% CI 0.4–1.7] per 10 000 PY among 16 289 children without IBD [unadjusted IRR 38.84, 95% CI 16.59–90.83; adjusted HR 22.91, 95% CI 11.50–45.63]. VTE was less common in Crohn’s disease than ulcerative colitis [unadjusted IRR 0.47, 95% CI 0.27–0.83; adjusted HR 0.52, 95% CI 0.29–0.94]. The findings were similar for deep vein thrombosis and pulmonary embolism when comparing children with and without IBD. Conclusions The risk of VTE is much higher in children with IBD than controls without IBD. While the absolute risk is low, we found a higher incidence rate than previously described in the pediatric literature. Conference Presentation: An abstract based on the data included in this paper was presented at Canadian Digestive Diseases Week [Montréal, Canada] in March 2020.

Background The transfer of information is a key aspect of the transition of adolescent patients with inflammatory bowel disease (IBD) from pediatric to adult care. This is typically accomplished through the use of a consultation letter with a medical summary of the patient being transferred. To improve the quality and completeness of information included in a transfer letter, we developed a standardized medical summary template by integrating the feedback of adult and pediatric health care providers. Methods To develop the letter template, we purposively sampled gastroenterologists or nurse practitioners caring for patients with IBD in four Canadian cities and invited them to take part in focus group discussions. Using a semi-structured approach, we explored the items deemed essential for inclusion in a transfer summary. Using the conventional content analysis framework, the focus group discussions were inductively coded to identify areas of priority for inclusion in the template. Results Four focus groups were conducted, comprising 17 health care providers of 30 invited (56.7% participation). The resulting medical summary template included the following major headings: patient/disease characteristics, therapeutics history (including medications and surgeries), clinical history and current status, noteworthy investigations, history of complications (including hospitalizations), family history, immunization history and psychosocial history. The template also addressed health system process factors (i.e., urgency of transfer, mode of delivery and confidentiality) to ensure a seamless transfer to adult care. Conclusions The standardized medical summary template should be used by pediatric providers to ensure that essential patient information and disease characteristics are sent to an adult provider.

Background and Aims Surgical treatment of inflammatory bowel disease (IBD) may impair female fertility. We conducted a systematic review to determine the risk of infertility and pregnancy outcomes in women with IBD who underwent surgery. Methods We identified studies evaluating the impact of IBD surgery on infertility and pregnancy outcomes. Risk ratios (RR) and 95% confidence intervals (CIs) were pooled when data were presented using contingency tables. Odds ratios (OR) were pooled when raw numbers were not provided. GRADE was used to evaluate the certainty of evidence. Results Sixteen observational studies were included, comparing women with and without surgery, open and laparoscopic surgery and before and after surgery. All studies were of low quality. The effect of surgery on infertility at 12 months (RR 5.45, 95% CI 0.41 to 72.57) was uncertain. Similarly, the fertility effects of laparoscopic versus open surgery method were unclear (RR 0.70, 95% CI 0.38 to 1.27). The impact of IBD surgery on pregnancy outcomes should be interpreted with caution. Surgery was associated with miscarriage (OR 2.03, 95% CI 1.14 to 3.60), use of assisted reproductive technologies (RR 25.09, 95% CI 1.56 to 403.76) and caesarean section (RR 2.23, 95% CI 1.00 to 4.95), but not with stillbirth (RR 1.96, 95% CI 0.42 to 9.18), preterm birth (RR 1.91, 95% CI 0.67 to 5.48), low birth weight (RR 0.61, 95% CI 0.08 to 4.83) or small for gestational age (RR 2.54, 95% CI 0.80 to 8.01). Conclusion The effect of surgical therapy for IBD on rates of female infertility and pregnancy-related outcomes was uncertain due to poor quality of existing literature.

Background Inflammatory bowel disease (IBD) is associated with a high risk of venous thromboembolism (VTE) during hospitalization. It is unclear if this association persists after discharge. We aimed to assess the incidence of postdischarge VTE in IBD patients and to determine if IBD is associated with increased VTE risk. Methods We performed a population-based cohort study between 2002 and 2016 using Ontario health administrative data sets. Hospitalized (≥72 hours) adults with IBD were stratified into nonsurgical and surgical cohorts and matched on propensity score to non-IBD controls. Time to postdischarge VTE was assessed by Kaplan-Meier methods, and VTE risk was assessed by Cox proportional hazard models. Results A total of 81,900 IBD discharges (62,848 nonsurgical and 19,052 surgical) were matched to non-IBD controls. The cumulative incidence of VTE at 12 months after discharge was 2.3% for nonsurgical IBD patients and 1.6% for surgical IBD patients. The incidence increased in the nonsurgical IBD cohort by 4% per year (incidence rate ratio, 1.04; 95% CI, 1.02–1.05). In our propensity score-matched analysis, the risk of VTE at 1-month postdischarge was greater in nonsurgical IBD patients (hazard ratio [HR], 1.72; 95% CI, 1.51–1.96) and surgical patients with ulcerative colitis (HR, 1.68; 95% CI, 1.16–2.45) but not surgical patients with Crohn’s disease. These trends persisted through 12 months. Conclusions Nonsurgical IBD patients and surgical patients with ulcerative colitis are 1.7-fold more likely to develop postdischarge VTE than non-IBD patients. These findings support the need for increased vigilance and consideration of thromboprophylaxis in this population.

Background Most administrative studies of hospitalization in inflammatory bowel disease (IBD) use two definitions: IBD in any diagnostic position (IBD-ANY), and IBD as the most responsible diagnostic (IBD-MRD). There is a third less commonly used definition: total hospitalization; this definition captures all hospitalizations of prevalent IBD patients and therefore it can give a more realistic picture of the burden of IBD. Aims To compare differing definitions (total, IBD-ANY, and IBD-MRD) of hospitalizations. Methods A previously defined population-based IBD prevalent cohort for Alberta (n=30,698) was used to pull all hospital admissions from the Discharge Administrative Database (DAD; 2002–2015). Three hospitalization definitions were used: i. Total (all hospitalizations of prevalent cohort independent of presence of code for IBD); ii. IBD-ANY (code for IBD [K50.x; K51.x] contained in any diagnosis field); and, iii. IBD-MRD (most responsible diagnosis was IBD). Age- and sex- standardized rates (2015 Canadian population) were calculated using the prevalent population. Log-linear regression was performed to calculate Average Annual Percentage Change (AAPC) with associated 95% confidence intervals (CI) of each type of hospitalization. We assessed the top five most common most-responsible diagnosis codes for hospitalizations that were contained in the total hospitalizations but not an IBD-ANY hospitalization. Results From 2002 to 2015, 63.5% of IBD prevalent patients in AB had ≥1 hospitalization; 44.2% had ≥1 IBD-ANY hospitalization; 28.6% had ≥1 IBD-MRD hospitalization; and, 40.6% had a hospitalization that did not contain a code for IBD. All hospitalization rates decreased significantly over time. Of the top five most common most responsible diagnosis, contained in admissions that were not IBD-ANY, three were gastroenterological: i. K52.9 (non-infective gastroenteritis); ii. A09.9 (diarrhea and gastroenteritis of presumed infectious origin); and, iii. Z43.2 (attention to ileostomy). Conclusions Total hospitalizations is an important measure to report since accounting for all hospitalizations of IBD patients is necessary in order to allocate healthcare resources appropriately. To be able to ensure these patients receive the care they need we need to be able to accurately assess the true burden of IBD. Funding Agencies CIHR

Background Anti–tumor necrosis factor (anti-TNF) drugs are highly effective in the treatment of moderate-to-severe Crohn’s disease (CD) and ulcerative colitis (UC), but they are very costly. Due to their effectiveness, they could potentially reduce future health care spending on other medical therapies, hospitalization, and surgery. The impact of downstream costs has not previously been quantified in a real-world population-based setting. Methods We used the University of Manitoba IBD Database to identify all persons in a Canadian province with CD or UC who received anti-TNF therapy between 2004 and 2016. All inpatient, outpatient, and drug costs were enumerated both in the year before anti-TNF initiation and for up to 5 years after anti-TNF initiation. Costs before and after anti-TNF initiation were compared, and multivariate linear regression analyses were performed to look for predictors of higher costs after anti-TNF initiation. Results A total of 928 people with IBD (676 CD, 252 UC) were included for analyses. The median cost of health care in the year before anti-TNF therapy was $4698 for CD vs $6364 for UC. The median cost rose to $39,749 and $49,327, respectively, in the year after anti-TNF initiation, and to $210,956 and $245,260 in the 5 years after initiation for continuous anti-TNF users. Inpatient and outpatient costs decreased in the year after anti-TNF initiation by 12% and 7%, respectively, when excluding the cost of anti-TNFs. Conclusions Direct health care expenditures markedly increase after anti-TNF initiation and continue to stay elevated over pre-initiation costs for up to 5 years, with only small reductions in the direct costs of non-drug-related health care.

The indirect cost of illness represents the portion of human capital that is foregone due to lost productivity of patients and their caregivers and out-of-pocket healthcare expenses borne directly by patients. Indirect costs among persons with inflammatory bowel diseases (IBD) may be substantial because disease onset occurs during the teens and 20s for most persons and is lifelong. Thus, most persons with IBD are affected during periods of study or employment. The literature on indirect health-related costs among persons with IBD is limited, particularly with regard to Canadian studies. The greatest burden of indirect costs in this population relates to absenteeism and presenteeism among working individuals and premature retirement. However, costs related to reduced professional development and personal achievement due to illness—as well as caregiver costs—are largely unknown. After being extrapolated from multiple sources, the total indirect health-related cost of IBD in Canada in 2018 is estimated to be $1.29 billion Canadian dollars. Notably, this may be a significant underestimate because costs relating to presenteeism, reduced achievement and caregiver burden could not be estimated and are excluded from this calculation. Highlights Indirect costs account for a major portion of total healthcare costs among persons with inflammatory bowel disease (IBD) and are higher than indirect costs among persons without IBD. Persons with IBD are more likely to require time off work (absenteeism) and have reduced productivity at work (presenteeism) due to illness as compared with persons without IBD. Premature retirement and long-term disability are major factors contributing to indirect costs among IBD patients. A substantial proportion of individuals with IBD pay out-of-pocket for complementary and alternative medicines. After being extrapolated from multiple sources, the total annual indirect cost of IBD in Canada is estimated to be $1.29 billion CAD in 2018, or $4781 CAD per person with IBD. Key Summary Points The total indirect economic burden of IBD in Canada is estimated to be $1.29 billion CAD in 2018, or roughly $4781 CAD per person with IBD. This estimate comprises lost wages related to sick days and disability, premature retirement and premature death, and out-of-pocket costs. Losses from presenteeism, reduced professional development and caregiver burden are not included due to insufficient data on the cost impact of these factors. In a meta-analysis of studies between 1994 and 2014, the annual indirect cost of absenteeism for IBD patients ranged from $515.67 USD (USA) to $14,727 USD (Germany) per patient per annum (pooled estimate $7189 USD), after adjusting for purchasing power disparity. A large US survey found that, on average, IBD patients incurred an extra 4.8 days off of work and $783 USD in excess lost wages annually compared with persons without IBD. A study based on US private insurance claims found that ulcerative colitis patients cost an additional $2164 per person per annum relating to disability days and medically related absenteeism. A prospective study from an IBD centre reported weekly indirect health-related costs of $1133 for IBD patients with active disease, $370.13 for IBD patients in remission, and $191.23 for persons without IBD relating to both presenteeism and absenteeism. In a survey of 744 IBD patients from Manitoba, reduced workplace productivity during the previous 14 days was reported in 37% of individuals, including a reduction of one to two days by 18% of patients, thre to nine days by 16% of patients, and on most days by 3% of patients. The estimated average lifetime lost wages due to premature retirement is $1,044,498 CAD per person with Crohn’s disease and $994,760 CAD per person with ulcerative colitis. Aggregated over all IBD retirees, this equates to roughly $629 million CAD in permanent lost wages annually due to premature retirement. The lifetime indirect cost associated with premature death among IBD patients is estimated to be $746,070 CAD per decedent, or roughly $33.6 million aggregated across all IBD decedents of working age. In a US study of caregivers of children, the average unadjusted annual work loss was 214 hours for caregivers of Crohn’s disease patients and 170 hours for caregivers of children without IBD, translating to an additional $1122 in lost productivity for caregivers of persons with Crohn's disease. Canadian studies have reported complementary and alternative medicines (CAMs) use in 56% to 74% of people with IBD. A US national survey study estimated annual per-person out of pocket costs of $1603 USD for Crohn’s disease patients and $1263 USD for ulcerative colitis patients, which were substantially higher than in persons without IBD. Gaps in Knowledge and Future Directions Canadian-specific data on indirect health-related costs of IBD is sparse across all domains of indirect costs. In particular, the rates of absenteeism, presenteeism and premature retirement among IBD patients living in Canada require further study to gauge more accurately the indirect health-related costs of IBD in Canada. Indirect costs relating to decreased professional development, caregiver burden and out-of-pocket purchases among IBD patients are largely unknown and require further study. Indirect costs incurred by Canadian children with IBD and their families or caregivers are largely unknown.

Approximately one in every 160 seniors live with IBD. Due to the fact that IBD has no known cure, and thus patients diagnosed at younger ages will carry their disease with them into their senior years, the number of senior IBD patients is rising significantly in Canada. Seniors with IBD present unique challenges for care. Patients with IBD will experience greater comorbid conditions resulting from their advancing age and longer disease duration. Risks associated with IBD-related surgeries and complications from other illnesses associated with age and their medications further complicate treatment options and may lead to higher healthcare utilization. Healthcare providers need to be prepared to work in multidisciplinary teams with other specialists in order to address the complexity and comorbidities of seniors with IBD. Highlights 1. Approximately one out of every 160 individuals over the age of 65 in Canada is living with IBD. 2. The rising prevalence of IBD in seniors results from new diagnoses and advancing age of previously diagnosed patients with IBD. 3. Patients with IBD will experience greater comorbid conditions resulting from their advancing age and longer disease duration. 4. As the IBD population ages, the proportion of seniors with IBD will increase in gastroenterology clinics. 5. The care of seniors with IBD brings unique challenges with respect to therapeutic decision-making. Key Summary Points 1. Approximately 0.6% of seniors in Canada live with IBD. 2. In Ontario, the prevalence of IBD among seniors increased by 5.2% per year, which outpaced the 3.9% per year rise observed in nonseniors. 3. Approximately 15% of IBD patients are newly diagnosed after the age of 65 years. 4. The incidence of IBD in seniors ranged from 16.5 to 18.9 per 100,000 in Canada. 5. In Ontario, the diagnosis of ulcerative colitis in seniors was double that of Crohn’s disease. 6. Clinical presentation of seniors with Crohn’s disease is unique with a higher likelihood to present with isolated colonic disease without fistulizing disease or extra-intestinal manifestations as compared with those diagnosed at a younger age. 7. Seniors with IBD are less likely to have outpatient visits relating to their IBD as compared with younger patients with IBD. 8. Among individuals diagnosed over the age of 65, the 10-year risk of intestinal surgery was 7% to 19% for ulcerative colitis and 31% for Crohn’s disease. 9. Seniors who undergo intestinal resections for their IBD have significantly higher postoperative complications and mortality as compared with younger IBD patients undergoing surgery. 10. The use of anti-TNF agents in seniors is lower for Crohn’s disease (4.0%) and ulcerative colitis (2.3%) as compared with younger individuals with IBD. However, the rate of use of biologics is increasing over time. 11. Therapeutic decision-making in seniors with IBD is challenging due to their comorbid conditions. 12. Seniors who use thiopurines have a higher risk of lymphoma (5.4 per 1000 person-years) as compared with IBD patients younger than 50 (0.37 per 1000 person-years) exposed to thiopurines. 13. Newer gut-selective α4β7 integrin inhibitors may be a safer choice for seniors due to potentially lower risk of infection and cancer. 14. Due to multiple comorbidities, seniors with IBD may struggle with polypharmacy that can lead to drug interactions and reduced medication adherence. 15. Persons between 65 and 79 of age with IBD on average cost the healthcare system $5298 per year, which is higher than age-matched controls. Gaps in Knowledge and Future Directions 1. Administrative healthcare databases are more likely to misclassify senior patients with IBD. Future research is necessary to improve the identification of senior patients with IBD in databases. 2. Gastroenterologists will need to contend with an older IBD population with greater comorbidities. Research focusing on defining the burden of comorbidities in senior IBD patients is needed for healthcare resource utilization planning. 3. The use of anti-TNF in senior patients is lower than in younger individuals with IBD. Future research should evaluate trends in using biologics in the senior population with the advent of newer biologics such as integrin and other cellular adhesion molecule inhibitors. 4. Polypharmacy is a challenge for senior IBD patients. Future research should focus on interventions to simplify drug regimens and administration for senior patients. 5. Senior individuals with IBD cost the healthcare system more than age-matched controls. However, research is necessary to establish the IBD-attributable cost to the healthcare system and the indirect cost to society.

Inflammatory bowel disease (IBD) has a substantial impact on quality of life. It causes considerable personal, emotional and social burdens. The impact of IBD on quality of life cannot readily be quantified as a cost; however, the impact places a significant burden on the patient and caregivers. Numerous studies have shown that health-related quality of life is impaired in patients living with IBD as compared with the general population. While disease activity and severity is an important driver of physical and mental health–related quality of life, patients may experience psychological distress even during clinical remission. Reduced quality of life can impact persons living with IBD as they pursue employment, family planning and personal milestones. Further, the impact of IBD extends to the patient influencing the quality of lives of those around them, including their caregivers. Improving quality of life requires a multidisciplinary approach that includes screening for and managing psychological distress. Adaptive coping mechanisms help manage illness perceptions and reduce psychosocial distress. Highlights Health-related quality of life (HRQOL) is an important measure of the global impact of IBD on a person’s physical, mental and emotional well-being. Persons living with IBD have significantly lower HRQOL compared with that of the general population. Inflammatory bowel disease often affects individuals as they pursue employment, family building and personal milestones. Inflammatory bowel disease affects the quality of life (QOL) of those afflicted and their caregivers. Access to multidisciplinary, collaborative, chronic disease models of care improves the HRQOL of people living with IBD. Key Summary Points Inflammatory bowel disease impairs HRQOL by inhibiting need fulfillment (i.e., self-esteem, relationships, nutrition, hygiene and security) and causing psychological distress. Inflammatory bowel disease impairs interpersonal relationships, life activities, social participation and mental well-being. Patient symptoms like diarrhea and abdominal pain reduce HRQOL. While disease severity is an important driver of physical and mental HRQOL, patients experience psychological distress even during clinical remission. Psychological distress impairs work productivity and disrupts social activities and relationships. Patients with IBD experience emotional distress relating to factors such as loss of bowel control, impairment of body image, fear of sexual inadequacy, social isolation, fear of dependency, concern about not reaching one’s full potential and fear of stigmatization. Families with children with IBD have impaired QOL as a collective—for example, parental stress from medical factors and child’s perceived stress. Patients’ perception of their illness affects their ability to adjust to a diagnosis of IBD. Adaptive coping mechanisms help manage illness perceptions and reduce psychosocial distress. Biologics are associated with improvement in long-term HRQOL in people with IBD. Patients with IBD should have access to multidisciplinary care, including mental health practitioners, to screen for and manage psychological distress. Gaps in Knowledge and Future Directions Patients with IBD experience emotional distress that reduces HRQOL. Clinical tools are necessary to identify the key factors causing psychological distress in patients with IBD. HRQOL is reduced in individuals with IBD and their families. Studies should evaluate the cumulative burden of IBD on HRQOL in patients with IBD and their caregivers. Patient self-perception of their IBD influences their HRQOL. Clinical studies of interventions that improve adaptive coping are needed to reduce psychosocial distress. Multidisciplinary care including a psychologist to screen for and manage psychosocial risk and psychological distress should be evaluated in IBD clinics.

BACKGROUND: Incidence of Inflammatory Bowel Disease (IBD)—Crohn’s Disease (CD) and ulcerative colitis (UC)—is decreasing in some provinces, but increasing in pediatrics. Even with this decrease in incidence, prevalence will continue to rise until incidence equals to mortality. Decision makers require accurate data on the current and future burden of IBD for resource planning to ensure IBD patients receive proper care. AIMS: 1. Assess current and forecast future IBD incidence trends; 2. determine IBD mortality rates; and, 3. use mortality to calculate the threshold that incidence must approximate to stabilize prevalence. METHODS: Using population-based data from Alberta, annual incidence (per 100,000 persons) is calculated from 2010 to 2015, stratified by pediatric (

Background SECURE-IBD is an international database that monitors COVID-19 outcomes in IBD patients. We examined the influence of IBD activity (reflected by Physician Global Assessment (PGA)) on COVID-19 severity, while exploring the modifying effect of age. Methods We analyzed 3,028 cases reported to SECURE-IBD from March 13-November 17, 2020. PGA was categorized as remission/mild (reference) vs moderate vs severe. Outcomes used as surrogates of severe SARS-CoV2 infection were hospitalization and a composite of ICU/ventilation/death. Using generalized estimating equations (GEE) to account for clustering by country, we determined the unadjusted association between disease activity and COVID-19 outcomes, overall and by age decade. We included the following covariates in multivariable GEE models a priori: time of COVID-19 diagnosis, age, sex, comorbidities (0, 1, ≥2), IBD type, systemic corticosteroids (CS), anti-TNF monotherapy, anti-TNF plus immune modulator, immune modulator monotherapy, and mesalamine. We included additional covariates (country GDP, race, BMI, anti-integrins and ustekinumab) if they changed the estimate by ≥10%. We also built models stratified by age; the age cut-off for stratification was determined using Joinpoint regression (selecting the age at which outcome rates significantly changed). Results COVID-19 was more severe in patients with more active IBD: hospitalization rates 19% (remission/mild), 26% (moderate) and 45% (severe); ICU/ventilation/death rates 5% (remission/mild), 6% (moderate) and 12% (severe) (p50 years. Conclusion Our data suggest an association between IBD activity, as assessed by PGA, and severe COVID-19 outcome with an increased risk in younger patients. Adequate IBD treatment despite the pandemic is needed to avert poor outcome to symptomatic SARS-CoV2 infections.

Background The transfer of information in a medical summary letter is a key aspect of the transition of adolescent patients with IBD from pediatric to adult care. The existing template from the North American Society for Pediatric Gastroenterology, Hepatology and Nutrition (NASPGHAN) is nearly 20 years old, and the many intervening changes to the care of children with IBD necessitate a new template to reflect modern care. Aims We developed a standardized medical summary template based on the feedback of adult and pediatric IBD health care providers. Methods We purposively sampled gastroenterologists (GIs) or nurse practitioners (NPs) caring for patients with IBD in Montreal, Ottawa, Toronto or Vancouver and invited them to take part in focus group discussions. Gastroenterologists caring for Results Content areas of importance (see Table) were: patient/disease characteristics, therapeutics history, clinical history and current status, noteworthy investigations, history of complications, family history, immunization history, and psychosocial history. In addition, the template addressed health system process factors (i.e., urgency of transfer, mode of delivery, confidentiality) to ensure a seamless transfer to adult care. Conclusions The standardized medical summary template should be used by pediatric providers to ensure that essential information is sent to the receiving adult provider. Funding Agencies Transition des patients avec Crohn et colite (TRACC) program

Background Patients diagnosed with inflammatory bowel disease (IBD) during childhood require transfer to an adult gastroenterologist, in Ontario usually just before their 18th birthday. Pediatric onset IBD is a complex phenotype with demonstrated noncompliance risk that may require targeted measures to optimize health care outcomes in the adult care setting. Purpose The purpose of this study was to determine the impact of posttransfer health care setting (academic versus community gastroenterologist) on emergent health resource utilization. Methods This was a population-based retrospective cohort study using health care administrative data from Ontario, Canada. A cohort of patients with Pediatric onset IBD was identified and health resource utilization during a 2-year pretransfer period, transfer of care period and 2-year posttransfer period was analyzed. Posttransfer health care setting was defined as academic (i.e., gastroenterologists providing care in a university affiliated tertiary care center) versus community. A third comparator group, loss to follow-up, was also identified. The primary outcome of this study comprised emergency department utilization. Secondary outcomes included hospitalizations, surgeries, ambulatory visits, endoscopic investigations, and radiological investigations. Results Overall, there were no significant differences found in emergency department use, ambulatory care visits (aside from the expected drop in the lost to follow-up group), hospitalizations, endoscopic procedures, or radiological procedures between exposure groups. Conclusions Posttransfer health care setting does not seem to significantly impact emergent health resource utilization in the posttransfer period.

Background Canada has amongst the highest incidence of inflammatory bowel disease (IBD) in the world, and the highest proportion of immigrants among G8 nations. We determined differences in prediagnosis delay, specialist care, health services use, and risk of surgery in immigrants with IBD. Methods All incident cases of IBD in children (1994-2009) and adults (1999-2009) were identified from population-based health administrative data in Ontario, Canada. Linked immigration data identified those who arrived to Ontario after 1985. We compared time to diagnosis, postdiagnosis health services use (IBD specific and related), physician specialist care in immigrants and nonimmigrants, and risk of surgery between immigrants and nonimmigrants. Results Thousand two hundred two immigrants were compared with 22,990 nonimmigrants. Immigrants had similar time to diagnosis as nonimmigrants for Crohn's (hazard ratio [HR] 1.002; 95% confidence intervals [CIs] 0.89-1.12) and ulcerative colitis (HR 1.073; 95% CI 0.95-1.21). For outpatient visits, immigrants with IBD were seen by gastroenterologists more often than nonimmigrants. Immigrants had greater IBD-specific outpatient health services use after diagnosis (odds ratio 1.24; 95% CI 1.15-1.33), emergency department visits (odds ratio 1.57, 95% CI 1.30-1.91), and hospitalizations (odds ratio 1.19; 95% CI 1.02-1.40). In immigrants, there was lower risk of surgery for Crohn's (HR 0.66, 95% CI 0.43-0.99) and ulcerative colitis (HR 0.52, 95% CI 0.31-0.87). Conclusions Immigrants to Canada had greater outpatient and specialty care and lower risk of surgery, with no delay in diagnosis, indicating appropriate use of the health system.

BACKGROUND International cohort studies have reported increased incidence of inflammatory bowel disease (IBD) in recent years, and Canada has among the highest rates of IBD in the world. This study assessed incidence and prevalence of IBD in Ontario, the most populous province of Canada, to determine changing trends in age of onset. METHODS We used a population-based cohort derived from validated health administrative data consisting of all Ontario residents living with IBD from 1999 to 2008. We determined trends over time using Poisson regression analysis, assessing rates in 10-year age groups, children, adults, and the elderly. RESULTS In 2008, 68,071 people were living with IBD among 12,738,350 people (standardized prevalence 534.3 per 100,000 people). Between 1999 and 2008, standardized IBD incidence increased from 21.3 to 26.2 per 100,000 (2.3% per yr, P < 0.0001). Incidence of Crohn's increased from 9.6 to 12.1 per 100,000 (1.9% per yr, P < 0.0001). Ulcerative colitis incidence increased from 10.7 to 12.1 per 100,000 (2.0% per yr, P < 0.0001). For IBD, incidence increased significantly in people younger than 10 years of age (9.7% per yr, P < 0.0001), 10 to 19 years of age (3.8% per yr, P < 0.0001), 30 to 39 years of age (1.8% per yr, P = 0.0006), 40 to 49 years of age (2.8% per yr, P = 0.0001), and 50 to 59 years of age (2.8% per yr, P < 0.0001). Incidence was stable in patients older than 65 years of age at diagnosis (-0.1% per yr, P = 0.73). Although incidence did not change significantly over time in adults 20 to 29 years, IBD incidence peaked in this age group. CONCLUSIONS Ontario has among the highest prevalence of IBD in the world. Incidence of IBD increased between 1999 and 2008, owing to increased incidence in children and adults, with stable rates in elderly people. These findings demonstrate the changing age demographics and growing burden of IBD in Ontario, Canada.

BACKGROUND: An important target in the management of pediatric inflammatory bowel disease (IBD) is normal linear growth and pubertal development. Greater awareness of IBD and more effective therapies are anticipated to reduce the prevalence of linear growth impairment as a complication of chronic intestinal inflammation. AIMS: To evaluate the current magnitude of linear growth impairment at diagnosis in pediatric Crohn’s disease (CD) and ulcerative colitis (UC). METHODS: Since April 2014, the Canadian Children IBD Network (CIDsCANN) inception cohort study prospectively enrolled patients aged

BACKGROUND: Canada’s large geographic area and low population density poses challenges in access to specialized healthcare for remote and rural residents. Inflammatory bowel disease (IBD) (Crohn’s disease (CD) and ulcerative colitis (UC)) is less common among rural residents, however disparities in care and outcomes may exist. AIMS: Compare health services use and markers of disease control (hospital admissions and surgeries) in rural and urban IBD patients in Canada using population-based health administrative data. METHODS: Validated algorithms identified all incident cases of IBD from administrative data in 3 provinces: Alberta (AB) 1999–2008, Manitoba (MB) 1999–2010, Ontario (ON) 1999–2010. We compared rural to urban residents for time to diagnosis, IBD-specific hospitalization, outpatient visits, emergency department (ED) use (ON only), surgical resections (CD) or colectomy (UC), and gastroenterologist (GI) care. Rural/urban status was based on Metropolitan Area and Census Agglomeration Influenced Zones. Multivariable regression compared outcomes in rural/urban residents, controlling for confounders (Table footnote). Provincial results were meta-analyzed to produce overall estimates. RESULTS: See Table. 37,018 urban and 6656 rural residents with incident IBD were included. Rural patients had fewer GI visits, and a smaller proportion of their IBD-specific care provided by GI (39.1% vs 61.4%, P

BACKGROUND: Colonoscopy decreases the incidence of colorectal cancer (CRC) and CRC-related death, primarily through timely detection and treatment of advanced colorectal neoplasms (ACNs), including CRC and high-risk adenomas (HRA). Unfortunately, risk stratification methods for colonoscopy are poor, and less than 20% of persons over age 50 who undergo colonoscopy are diagnosed with ACNs. Current guidelines do not adequately account for the simultaneous contribution of multiple major and minor risk factors and protective factors for developing ACNs. Combined with increasing demands for colonoscopy, Canadians now faces wait times that greatly exceed recommended targets, escalating colonoscopy-related costs and poor value for the money spent on these procedures. Widespread implementation of population-based FIT screening in average-risk patients in coming years will compound these problems. AIMS: To derive prediction models that discriminate between individuals who are likely or unlikely to harbour ACNs. METHODS: We studied 11,719 consecutive persons aged 50 years or older who underwent outpatient colonoscopy at The Ottawa Hospital between 2008 and 2012 for low-to-moderate risk indications, including non-life-threatening signs or symptoms, personal history of adenomas, family history of CRC and average-risk screening. We excluded individuals who had high risk or rare indications, as well as those who had incomplete colonoscopy, poor bowel preparation, or important missing information. We obtained model variables through chart review and linkage to Ontario health administrative databases. We tested 22 candidate predictors, encompassing colonoscopy indication, age, sex, residential setting, household income, co-morbidity burden, cancer history, and prior colonoscopy and polypectomy exposure. We used multivariable logistic regression with stepwise selection to derive our final models. We tested the performance of our primary models in multiple subgroups. RESULTS: Our final models retained eight variables that are easily ascertainable in an office setting. The models showed excellent discriminatory capacity (c-statistic > 0.95) and calibration (p-value > 0.5 for goodness-of-fit test) for CRC in the main cohort and all subgroups, and improved the specificity of colonoscopy for detecting ACNs without significantly impacting sensitivity. Applying the models to our derivation cohort would have allowed for a 25% reduction in colonoscopy volume with a CRC miss rate of < 1% and a HRA miss rate of < 10%. CONCLUSIONS: We have derived predictive models with high discriminatory capacity for ACNs that could help optimize the use of colonoscopy resources in clinical practice. If successfully validated, these models have the potential to improve the clinical utility and cost-effectiveness of colonoscopy. FUNDING AGENCIES: Academic Health Sciences Centres Alternate Funding Plan Innovation Fund (administered by The Ottawa Hospital Academic Medical Association)

BACKGROUND: The prevalence of Inflammatory Bowel Disease (IBD), consisting of Crohn’s disease (CD) and ulcerative colitis (UC), is rising in Canada. Because IBD is a complex and costly disease, estimates of changing prevalence over time are necessary to inform the Canadian healthcare system on the evolving burden of IBD. AIMS: To analyze historical prevalence and predict the future prevalence of IBD in Canada. METHODS: Annual population-based prevalent cohorts from Alberta (2002–2015), Manitoba (1990–2013), Ontario (1999–2014), Quebec (2001–2008), and Nova Scotia (1996–2009) were obtained from the Canadian Gastro-Intestinal Epidemiology Consortium. Data were adjusted based on annual age and sex distribution in Canada. Log binomial regression on adjusted data was performed with either a linear, linear spline, or restricted cubic spline model, depending on model fit, and yielded average annual percentage change (AAPC) with 95% confidence intervals (CI). Predictive models for CD, UC, and IBD to 2030 were calculated for each province, and then combined into a single model for Canada with provincial data from 2002 to 2008. Prediction intervals (PI) were calculated for predicted prevalence. RESULTS: Prevalence of CD, UC, and IBD for each province in 2008 and provincial predicted prevalence in 2018 and 2030 is reported in Table 1. The estimated prevalence of IBD in Canada in 2008 was 489 per 100,000 persons. In Canada, the predicted AAPC after 2008 is: CD: 2.76% (95%CI:2.74–2.78%); UC: 2.90% (95%CI:2.88–2.92%); and IBD 2.88% (95%CI:2.87–2.90%) (Figure 1). The prevalence of IBD in Canada is predicted to climb to 0.95% in 2030 (Table 1, Figure 1), which represents an increase in the number of people with IBD in Canada from 257,564 (95%PI:254,356–260,772) in 2018 to 388,042 (95%PI:381,808–394,276) in 2030. CONCLUSIONS: By 2030, 0.95% of the Canadian population is predicted to have IBD. Clinical and policy driven healthcare innovations are required over the next decade to stem the impact of IBD in Canada and ensure these individuals receive the necessary care. FUNDING AGENCIES: CIHRIzaak Walton Killam Memorial Scholarship; Eyes High Doctoral Recruitment Scholarship

BACKGROUND: Ileal pouch-anal anastomosis (IPAA) is common among individuals with medically-refractory ulcerative colitis and familial adenomatous polyposis syndrome and is often performed during patients’ reproductive years. Female infertility is common after IPAA but is decreased with laparoscopic procedures. Clinical practice guidelines recommend caesarean(C-) section but are based on little evidence. AIMS: Determine recommendations given to pregnant women with IPAA by their gastroenterologist with regard to mode of delivery. METHODS: Canadian gastroenterologists (GIs) were surveyed through the Canadian Association of Gastroenterology in May 2014. The questionnaire included demographic and clinical practice characteristics, and queried GIs on recommendations made to women with IPAA using a clinical vignette. We assessed physician characteristics associated with providing recommendations using a Fisher’s exact test (categorical variables) and Wilcoxon rank-sum test (duration of clinical practice). RESULTS: 57 gastroenterologists responded and had practiced for a median of 9 years (IQR 15). Two-thirds (38/56; 68%) of GIs practiced in an academic centre. Most GIs regularly (29/54; 54%) or sometimes (14/54; 20%) recommended a mode of delivery to women with IPAA of childbearing age. Physicians with ≥200 IBD patients in their practice and ≥10 patients with an IPAA were more likely to provide recommendations (p

BACKGROUND: The Paris classification of pediatric IBD divides “pediatric-onset” IBD (A1, Montreal classification) into A1a (diagnosis

BACKGROUND: Asthma and the inflammatory bowel diseases (IBD) both result from complex gene-environment interactions and share genetic and environmental risk factors. AIMS: To examine the association between asthma and the subsequent development of Crohn’s disease (CD) or ulcerative colitis (UC). METHODS: We performed a population-based case-control study using health administrative data from the province of Alberta. Incident cases of CD and UC were identified using a validated algorithm based on ICD9 (CD 555; UC 556) and ICD10 codes (CD K50; UC K51). An 8-year washout period was used to distinguish incident from prevalent cases for individuals ≥10 years of age at IBD diagnosis; a 3-year washout period was used for those 40 years) was evaluated using a likelihood ratio test. Age-stratified models are presented in the presence of effect measure modification. Logistic regression models were adjusted for age at IBD diagnosis (in the absence of effect measure modification), sex, rural/urban environment, and quintile of median income for individuals living in a dissemination area. A sensitivity analysis was conducted in which the diagnosis of asthma could either precede or follow the diagnosis of IBD. RESULTS: A diagnosis of asthma was associated with increased odds of incident CD (adjusted OR 1.45, 95% CI 1.31 to 1.60) with no effect modification by age at diagnosis (p=0.42). Effect modification by age at diagnosis was observed for UC (p=0.01). Asthma was associated with ulcerative colitis diagnosed at ≤16 years of age (adjusted OR 1.49, 95% CI 1.08 to 2.07) and >40 years of age (adjusted OR 1.57, 95% CI 1.31 to 1.89). There was no association between asthma and UC among individuals diagnosed between ages 17 and 40 (OR 1.05, 95% CI 0.86 to 1.26). Results were consistent in a sensitivity analysis that allowed the diagnosis of asthma to precede or follow the diagnosis of IBD. CONCLUSIONS: Asthma is associated with an increased risk of CD, as well as early- and late-onset UC. This association requires confirmation and investigation into potential preventative strategies to reduce IBD risk, as well as identify individuals with chronic gastrointestinal symptoms who should be investigated for IBD. FUNDING AGENCIES: CIHRAlberta Innovates-Health Solutions

Patients with inflammatory bowel disease (IBD) are increasingly turning to the Internet to research their condition and engage in discourse on their experiences. This has resulted in new dynamics in the relationship between providers and their patients, with misinformation and advertising potentially presenting barriers to the cooperative patient–provider partnership. This article addresses important issues of online IBD-related health information and social media activity, such as quality, reliability, objectivity, and privacy. We reviewed the medical literature on the quality of online information provided to IBD patients, and summarized the most commonly accessed Websites related to IBD. We also assessed the activity on popular social media sites (such as Facebook, Twitter, and YouTube), and evaluated currently available applications for use by IBD patients and providers on mobile phones and tablets. Through our review of the literature and currently available resources, we developed a list of recommended online resources to strengthen patient participation in their care by providing reliable, comprehensive educational material. (Inflamm Bowel Dis 2012;)

Background: Recent advances have been made in the care of children with inflammatory bowel disease (IBD). We aimed to describe trends in medication use, associated health services, and outcomes (hospitalization and surgical rates) between 1994–2007 in children with IBD. Methods: Children

Background: In the transition from pediatric to adult care, patients are expected to increase their level of self-care. Knowledge of disease characteristics, medications, and resources is crucial. This study evaluated the knowledge of adolescents with inflammatory bowel disease (IBD) and their parents in four major domains: disease characteristics, treatments, medical history, and health services resources. Methods: Patients age 14–18 years and their parents completed MyHealth Passport for IBD as a cross-sectional assessment of knowledge. Responses were evaluated for accuracy using medical records. The proportion of correct responses between patients/parents were compared. Results: In all, 78 patients (age 16.2 ± 1.2 years, IBD duration 3.6 ± 2.5 years), and 64 parents participated. Patients and parents were equally likely to answer questions correctly regarding disease characteristics and treatment, but not health services resources. Most patients accurately identified IBD classification and listed medications. Neither patients nor parents accurately identified disease location or previous investigation results. Parents more likely correctly named insurance provider (odds ratio [OR] 6.33, 95% confidence intervals [CI] 2.68–15.0), and pharmacy location (OR 18.5, 95% CI 4.6–76.8). Multivariate regression revealed that patients with IBD type unclassified were more likely to be aware of their diagnostic classification (OR 17.2, 95% CI 2.81–105.4 compared with Crohn's disease patients). Older patients were less likely to recall if they had a small bowel x-ray (OR 0.59, 95% CI 0.35–0.996). Conclusions: Future educational interventions should target areas of weakness in adolescent knowledge, particularly health services resources. The MyHealth Passport for IBD (available freely online) could educate and instill independence in the transitioning adolescent. (Inflamm Bowel Dis 2010;)

Background: Temporal trends in the incidence of pediatric-onset inflammatory bowel disease (IBD) are controversial and a wide range of estimates have been reported worldwide. We conducted a systematic review of research describing the epidemiology of childhood-onset IBD to assess changes in incidence rates over time and to evaluate international differences. Methods: The following electronic databases were searched for articles published 1950–2009: MEDLINE, EMBASE, Cochrane Central Register of Controlled Trials, and Cochrane IBD/Functional Bowel Disorders Group Specialised Trial Register. All included studies reported incidence or prevalence of IBD, Crohn's disease (CD) or ulcerative colitis (UC). Two authors independently completed the data extraction form for each eligible study. Choropleth maps demonstrated the international incidence of IBD, CD, and UC. Incidence of CD and UC was graphed using data from studies reporting rates in multiple time periods. Results: The search yielded 2209 references and review resulted in 139 included studies from 32 countries. A wide range of incidence was reported internationally; however, rates of IBD were not described in most countries. Twenty-eight studies (20.1%) used statistical analysis to assess trends over time, and 77.8% reported statistically significantly increased incidence of pediatric IBD. Of studies calculating statistical trends in CD incidence, 60% reported significantly increased incidence. Of similar UC studies, 20% reported significantly increased incidence. Conclusions: Globally rising rates of pediatric IBD (due primarily to the rising incidence of CD) was demonstrated in both developed and developing nations; however, most countries lack accurate estimates. Analyzing incidence trends may help identify specific environmental and genetic risk factors for pediatric IBD. (Inflamm Bowel Dis 2011;)

BACKGROUND: Pediatric onset inflammatory bowel disease (IBD) is a high-risk phenotype that requires transfer to an adult gastroenterologist at age 18. Under-developed emotional and cognitive skills in the transition-aged population can affect adherence rates, especially during periods of remission. A recent study evaluating patients with pediatric onset IBD requiring transfer of care to an adult gastroenterologist identified a relatively large lost to adult gastroenterology (GI) follow-up (LTF) group. AIMS: The purpose of this study was to characterize those patients with pediatric onset IBD who are LTF in the first five years of adult care and identify risk factors for their non-compliance. METHODS: This was a population-based retrospective cohort study using health care administrative data from Ontario, Canada. A cohort of patients with pediatric onset IBD was identified and health resource utilization during a 5-year post-transfer period was analyzed. Patients LTF were compared to those patients actively followed by a gastroenterologist in terms of health resource utilization. The primary outcome of this study comprised Emergency Department (ED) utilization. Secondary outcomes included hospitalizations, surgeries, ambulatory visits, endoscopic and radiological investigations. RESULTS: 2043 patients with pediatric onset IBD were identified. 1696 were followed by an adult GI in the post-transfer period. 306 patients were never seen by an adult GI. 41 patients were never seen by any adult health care provider in the post-transfer period. Patients in the loss to follow-up group were significantly younger, more likely to be male, have ulcerative colitis (UC) and reside in an urban environment. Overall, there were no significant differences found in ED use, total ambulatory care visits (aside from the expected drop amongst GI follow-up), hospitalizations, endoscopic procedures or radiological procedures between exposure groups. Multivariable negative binomial logistic regression revealed that the LTF group was less likely to be seen in the ED and admitted to hospital. CONCLUSIONS: A relatively large LTF group with pediatric onset IBD was characterized in this study. 5-year follow-up reveals no evidence of increased health resource utilization. More work is needed to further define this population, identify barriers to follow-up and whether outcomes such as quality of life, productivity etc. are affected by their non-compliance. FUNDING AGENCIES: CCC

Over the past year, a working group of the Canadian Medical Forum (CMF) has discussed a change in residency training that, if implemented, would affect all of Canada’s future paediatric residents. The ‘common PGY-1’ (postgraduate year 1), has been approved as a working concept by national professional groups such as the Canadian Medical Association (1,2), the Canadian Association for Interns and Residents (3) and the Canadian Federation of Medical Students (4), as well as by numerous provincial organizations. The Residents Section of the Canadian Paediatric Society (CPS) feels that, as the only national group representing paediatric residents, it should be involved in the planning stages of any reforms in paediatric training. The ‘common PGY-1’ has no firm form yet because planning is still in its early phases. The CMF has proposed that a certain percentage of medical students would opt to enter this program if they are unsure of the area of medicine in which they wish to specialize. The possible changes to residency training have been proposed in response to a survey by the Canadian Association of Interns and Residents (3) in which medical students stated that they felt pressured to make career decisions too early in their training. The goal of this common year would be to improve flexibility in medical training. Following the ‘optional common PGY-1’, residents would enter a residency in their area of interest (either through the Canadian Residency Matching System or through positions specifically reserved for those from the ‘common year’). Another proposal is that all medical students enter a common year before residency. The former ‘optional common PGY-1’ was the version approved by the CMF for further examination in June 2004 (5). The latter ‘mandatory common PGY-1’ was rejected by the Canadian Medical Association at their 2004 annual meeting. The exact structure, the number of medical students that would be involved, the funding and the provincial approval for such changes have yet to be finalized. Paediatric residency represents a unique training program during which most trainees are required to spend the majority of their time in the paediatric setting. Only a small number of residency programs currently offer any adult medical experience during the four years of training (five in Quebec). The Royal College of Physicians and Surgeons of Canada has defined paediatric residency training goals, which do not consist of any time in adult specialties. In 2003, the Royal College proposed the alteration of paediatric residency to require five years of training to qualify to write the certification examination in general paediatrics. Although many groups opposed this extension (including the CPS’s Board of Directors and Residents Section), many residents believe that in light of an increase in the volume and complexity of knowledge required to become a successful consultant, a minimum of four years of training is required. In a survey conducted by the Residents Section, many voiced opposition to the shortening of paediatric training to three years to accommodate a ‘common PGY-1’ (unpublished data). The Residents Section would therefore oppose any move to shorten training in paediatric specialty rotations. We believe that the medical treatment of children presents unique challenges, disease processes and training goals and that few of these goals would be met during rotation through adult specialties. This position contrasts with that of the Canadian Federation of Medical Students which endorses the ‘common PGY-1’ should it not lengthen total training time (4). In light of the position of the members of the Residents Section and the unique training of paediatricians, the CPS seeks to be involved in the planning of the ‘common PGY-1’ to maintain the current high standards of paediatric training. The Residents Section does not oppose any move that would improve flexibility in medical training and trainee well-being, and as such, we are open to discussing future changes in the structure of residency. We understand the pressures faced by medical students entering the match following their rotating clerkship year. We are heartened by the fact that no respondents to the survey stated that a ‘common PGY-1’ would have discouraged them from entering a paediatric training program. Children living in Canada cannot afford a policy of discouraging medical students from entering paediatrics. The CMF has ended their examination of the issue with approval for the concept of an ‘optional common PGY-1’ at their meeting on June 2, 2004. The CMF has called for the formation of an independent implementation group chaired by the Association of Canadian Medical Colleges. We urge this implementation group to include the CPS in the planning of any change in residency training as a major stakeholder in the future of paediatric residency training. We look forward to further discussions with members of the implementation group and to presenting evidence-based plans to our members should changes be proposed at a national level.