Inflammatory bowel disease (IBD), encompassing ulcerative colitis (UC) and Crohn’s disease (CD), is a global health issue with a rising prevalence and associated complications like strictures, hemorrhoids, and infections that elevate healthcare costs. Hemorrhoids are particularly prevalent among patients with IBD, showing symptoms like anal discomfort and bleeding that often necessitate surgical intervention.
Recent Mendelian Randomization studies have investigated the genetic underpinnings of the link between IBD and hemorrhoids, revealing that both UC and CD can influence hemorrhoid development, especially CD, due to its stronger genetic connections. These studies used comprehensive genome-wide association data, providing significant statistical insight and helping to clarify the causal relationships between these conditions. Additionally, Multivariate Mendelian Randomization has been crucial in differentiating the contributions of UC and CD. This highlights the complex genetic interplay essential for developing targeted clinical strategies and interventions.
Reference: Wang H, Wang L, Zeng X, Zhang S, Huang Y, Zhang Q. Inflammatory bowel disease and risk for hemorrhoids: a Mendelian randomization analysis. Sci Rep. 2024;14(1):16677. doi: 10.1038/s41598-024-66940-y.