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Persistent Reactive Thrombocytosis May Increase the Risk of Coronary Artery Disease Among Inflammatory Bowel Disease
Sudeep Dhoj Thapa1, Hiba Hadid2, Waseem Imam2
1Department of Internal Medicine, Henry Ford Hospital, Detroit, MI, USA. dr.sdthapa@gmail.com.
Insights
Inflammatory bowel disease (IBD) patients with persistent reactive thrombocytosis face a higher risk of coronary artery disease (CAD). This study highlights thrombocytosis as a key factor in CAD development for IBD patients.
Area of Science:
- Cardiovascular Medicine
- Gastroenterology
- Hematology
Background:
- Inflammatory bowel disease (IBD) patients exhibit an elevated risk of coronary artery disease (CAD), often independent of traditional risk factors.
- Increased systemic inflammation in IBD is linked to higher cardiovascular disease risk.
- Thrombocytes play a role in CAD pathogenesis, and reactive thrombocytosis is observed in some IBD patients.
Purpose of the Study:
- To investigate the association between persistent reactive thrombocytosis and the incidence of coronary artery disease in patients with inflammatory bowel disease.
Main Methods:
- A retrospective cohort study of 2525 IBD patients from 2000-2004.
- A case-control study comparing IBD patients with and without persistent thrombocytosis, matched for age and gender.
- Comparison of coronary artery disease incidence between persistent thrombocytosis cases (n=36) and controls (n=72).
Main Results:
- Cases and controls were similar in age at IBD onset and smoking status.
- Persistent thrombocytosis was less frequent in Caucasian patients and associated with steroid use.
- Coronary artery disease developed in 36.1% of patients with persistent thrombocytosis versus 9.7% in the control group.
Conclusions:
- Persistent reactive thrombocytosis in IBD patients is linked to an increased risk of coronary artery disease.
- Further research is needed to understand the clinical and molecular aspects of this association.
- Therapeutic strategies for managing this risk in IBD patients require further investigation.
Background:
IBD patients are at increased risk of coronary artery disease in the absence of traditional risk factors. However, the disease-related risk factors remain poorly understood although increased inflammation seems to increase cardiovascular disease risk in IBD. Thrombocytes are involved in the pathogenesis of coronary artery disease, and a subset of IBD patients have reactive thrombocytosis.
Aim:
The aim of our study was to investigate the effect of persistent reactive thrombocytosis on the development of coronary artery disease in IBD.
Methods:
We evaluated a retrospective cohort of 2525 IBD patients who were evaluated at the Henry Ford hospital from 2000 to 2004. We performed a case-control study comparing patients with persistent thrombocytosis and patients without persistent thrombocytosis. Cases (n = 36) and controls (n = 72) were matched for age and gender. Coronary artery disease incidence was compared between the two groups.
Results:
Cases (n = 36) and controls (n = 72) were matched for age and gender. Cases and controls were similar in age at onset of IBD (41.5 vs. 35.5, p value 0.11) and smoking status (33.3 vs. 27.8%, p value 0.66). Persistent thrombocytosis was less common among Caucasian patients (44.44 vs. 62.5%, p value 0.09) and more common in patients who had exposure to steroids during the study follow-up period. Coronary artery disease occurred in 13 (36.1%) patients with persistent thrombocytosis compared to only seven (9.7%) patients in the control group.
Conclusions:
Persistent reactive thrombocytosis among IBD patients is associated with increased risk of coronary artery disease. Further studies should characterize the clinical and molecular associations of this phenomenon and determine appropriate therapeutic measures.
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