Abstract

Disease- and Treatment-related Complications in Older Patients With Inflammatory Bowel Diseases: Comparison of Adult-onset vs Elderly-onset Disease

Inflamm Bowel Dis. 2021 Jul 27;27(8):1215-1223. doi: 10.1093/ibd/izaa308.

Jacob J Rozich 1, Jiyu Luo 2, Parambir S Dulai 3, Angelina E Collins 3, Lysianne Pham 3, Brigid S Boland 3, William J Sandborn 3, Siddharth Singh 3

 
     

Author information

  • 1Department of Internal Medicine, University of California San Diego, La Jolla, California, USA.
  • 2Division of Biostatistics and Bioinformatics, Department of Family Medicine and Public Health, University of California San Diego, La Jolla, California, USA.
  • 3Division of Gastroenterology, University of California San Diego, La Jolla, California, USA.

Abstract

Background: The incidence and prevalence of inflammatory bowel diseases (IBD) in older adults are rising. There is a limited comparative assessment of risk of disease- and treatment-related complications in older patients (older than 60 years) with adult-onset (age at disease onset, 18-59 years; AO-IBD) vs elderly-onset IBD (age at disease onset, older than 60 years; EO-IBD). We compared clinical outcomes in older patients with IBD with AO-IBD vs EO-IBD.

Methods: We conducted a retrospective cohort study comparing risk of disease-related complications (IBD-related surgery, hospitalization, treatment escalation, clinical flare, or disease complication) and treatment-related complications (serious infection, malignancy, or death) in older patients with AO-IBD vs EO-IBD through Cox proportional hazard analysis, adjusting for age at cohort entry, disease phenotype, disease duration, prior surgery and/or hospitalization, medication use, disease activity at cohort entry, and comorbidities.

Results: We included 356 older patients with IBD (AO-IBD, 191 patients, 67 ± 5 y at cohort entry; EO-IBD, 165 patients, 72 ± 8 y at cohort entry). No significant differences were observed in the risk of disease-related complications in older patients with prevalent vs incident IBD (adjusted hazard ratio [aHR], 0.85; 95% CI, 0.58-1.25), although risk of IBD-related surgery was lower in older patients with prevalent IBD (aHR, 0.47; 95% CI, 0.25-0.89). Older patients with prevalent IBD were significantly less likely to experience treatment-related complications (aHR, 0.58; 95% CI, 0.39-0.87).

Conclusion: Patients with AO-IBD have lower risk of treatment-related complications as they age compared with patients with EO-IBD, without a significant difference in risk of disease-related complications.

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