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Nikhil Prasad   Fact checked by:Thailand Medical News Team Nov 07, 2023  1 month, 3 days, 15 hours, 24 minutes ago

Medical News: Scientists From Karolinska Institutet Discover Long-Term Risk Of Arrhythmias In Patients With Inflammatory Bowel Disease

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Medical News: Scientists From Karolinska Institutet Discover Long-Term Risk Of Arrhythmias In Patients With Inflammatory Bowel Disease
Nikhil Prasad   Fact checked by:Thailand Medical News Team Nov 07, 2023  1 month, 3 days, 15 hours, 24 minutes ago
Medical News: Inflammatory Bowel Disease (IBD), encompassing Crohn's disease (CD), ulcerative colitis (UC), and IBD-unclassified (IBD-U), is a chronic, inflammatory condition of the gastrointestinal tract. With its peak incidence occurring in the second to fourth decade of life, it poses a significant public health challenge worldwide, leading to substantial productivity loss and increased burden due to its high prevalence. While previous research has linked IBD to an elevated risk of cardiovascular diseases, including stroke, ischemic heart disease, and venous thromboembolism, the association with arrhythmias remained inconclusive. This Medical News report explores the findings of a recent study conducted by scientists from the Karolinska Institutet in Stockholm, Sweden. The study aimed to investigate the long-term risk of arrhythmias in patients with IBD, shedding light on the potential implications for healthcare professionals and patients.

The Study
The study team conducted a population-based, sibling-controlled cohort study using data from the nationwide histopathology cohort called ESPRESSO (Epidemiology Strengthened by histoPathology Reports in Sweden). This extensive study included patients with biopsy-confirmed IBD in Sweden, spanning the years 1969 to 2017, and examined three IBD subtypes: Crohn's disease, ulcerative colitis, and IBD-unclassified. The study included patients diagnosed between 1969 and 2017 with detailed demographic information, such as age at diagnosis and sex. In total, the study analyzed data from 24,954 CD patients, 46,856 UC patients, and 12,067 IBD-U patients.
To ensure the reliability and validity of their results, the researchers used matched reference individuals and IBD-free full siblings as controls, a large sample size, and a comprehensive dataset. The outcomes of interest in the study included overall and specific arrhythmias, such as atrial fibrillation/flutter, bradyarrhythmias, other supraventricular arrhythmias, and ventricular arrhythmias/cardiac arrest.
Study Findings
Over a median follow-up period of approximately 10 years, the study revealed that 7.6 percent of CD patients, 8.9 percent of UC patients, and 8.2 percent of IBD-U patients developed arrhythmias. In contrast, the percentages for the control group were 6.7 percent, 7.5 percent, and 6.0 percent, respectively. These findings clearly indicate an increased risk of arrhythmias in IBD patients compared to the general population.
Compared to the reference individuals, the study showed that the risk of overall arrhythmias was significantly higher in patients with CD (54.6 versus 46.1 per 10,000 person-years), UC (64.7 versus 53.3 per 10,000 person-years), and IBD-U (78.1 versus 53.5 per 10,000 person-years). Even more remarkable was the fact that this increased risk persisted for up to 25 years after the IBD diagnosis.
Additionally, the study conducted sibling comparison analyses to confirm these findings. The results of this comparison further validated the association between IBD and an increased risk of arrhythmias. This reinforced the notion that familial factors did not significantly confound the obse rved link between IBD and arrhythmias.
Implications for Healthcare Professionals
The results of this study have significant implications for healthcare professionals. The study suggests that patients with IBD should be aware of their increased long-term risk of developing arrhythmias. This awareness can aid in identifying high-risk individuals and implementing measures to mitigate the risks associated with arrhythmias. The findings underscore the importance of considering a risk assessment of modifiable and established cardiovascular disease (CVD) risk factors in patients with IBD.
Furthermore, the study highlights the potential impact of IBD medications on the incidence of arrhythmias. Medications such as anti-TNF agents have been shown to decrease the inflammatory burden and, by extension, the risk of CVD.
Therefore, future research is warranted to understand how specific IBD medications may influence the development of arrhythmias and to disentangle the effects of drug treatment from IBD severity.
The development of clinical guidelines specific to the assessment and management of CVD in patients with IBD is urgently needed. The study's robust findings emphasize the importance of developing guidelines to address the increased risk of arrhythmias and CVD in IBD patients.
Study Limitations
While the study offers valuable insights into the association between IBD and arrhythmias, it is essential to acknowledge its limitations. These limitations include the absence of clinical data to define IBD activity, the lack of consideration for the potential role of IBD medications and disease activity, and potential residual confounding due to unmeasured factors for arrhythmias. Despite these limitations, the study's findings provide a crucial foundation for future research and medical guidelines.
In conclusion, this groundbreaking study conducted by scientists from the Karolinska Institutet in Stockholm, Sweden, has revealed a significant long-term risk of arrhythmias in patients with inflammatory bowel disease. The increased risk persists for up to 25 years after the IBD diagnosis. These findings emphasize the need for healthcare professionals to be vigilant about the potential risks of arrhythmias in IBD patients, particularly those with other extraintestinal manifestations and those diagnosed at an older age. Additionally, the study highlights the importance of assessing and managing modifiable cardiovascular disease risk factors in this patient population and calls for the development of specific clinical guidelines to address these concerns. As the prevalence of IBD continues to rise globally, the study's findings have profound implications for both patients and healthcare providers.
The study findings were published in the peer reviewed journal: PLOS Medicine.
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