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- Bröms, G., et al.
(författare)
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Disease characteristics at time of diagnosis of adult onset inflammatory bowel disease and the risk of venous thromboembolism in the modern era - A Swedish nationwide cohort study 2007-2021
- 2024
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Ingår i: Journal of Crohn's & Colitis. - : Oxford University Press. - 1873-9946 .- 1876-4479. ; 18:Suppl. 1, s. I1945-I1947
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- Background: Studies from mainly before the wide use of targeted therapies and guidelines for thromboprophylaxis indicate that patients with inflammatory bowel disease (IBD) are at a doubled risk of venous thromboembolism (VTE). We studied the risk of VTE in a modern-day cohort of patients with IBD, overall and in subgroups of disease characteristics.Methods: Using Swedish healthcare registers, we identified a nationwide population-based cohort of 55,252 patients with incident IBD between 2007 and 2021 with a median follow-up time of 6.5 years. Patients were matched by age, sex, calendar year and county of residence with up to ten reference individuals from the general population (N=536,067). The primary outcome was VTE, including pulmonary embolism and deep vein thrombosis. Incidence rates per 1,000 person-years and hazard ratios (HR) were calculated for IBD in general and according to disease subtype, sex, age and disease characteristics at diagnosis. HRs stratified by matching variables (model 1) and additionally adjusted for comorbidities and socioeconomic factors (model 2) were estimated by using Cox regression.Results: The incidence rate of VTE among patients with IBD was 5.03 per 1,000 person-years compared with 2.34 per 1,000 person-years among reference individuals (Table 1). This corresponded to a doubled incidence of VTE (HR=2.18, 95% confidence interval (CI)=2.07-2.29, model 1). Adjusting further for covariates in model 2 had only minor effects on the HR. The HR was consistent across IBD subtypes and sex. The relative risk was higher for those with younger age (18-39 years) at IBD diagnosis (HR 2.52, 95% CI: 2.22-2.83) with a risk difference of 1.25 per 1,000 person-years. The IR, 10.64 per 1,000 person-years, and risk difference, 5.42 per 1,000 person-years, was the highest for those with elderly onset (≥60 years) IBD. There was a stronger association for those with extensive ulcerative colitis (E3), primary sclerosing cholangitis, extraintestinal manifestations and perianal disease. HRs for VTE were persistently elevated across follow-up time, but was higher during the first year of follow-up (Figure 1).Conclusion: The risk of VTE was doubled in these modern-day data and remained elevated across follow-up time. Disease characteristics associated with higher inflammatory burden at diagnosis and older age are markers of increased risk. This underscores the importance of continuous vigilance and individual assessment of risk factors for VTE in patients with IBD.
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- Humes, D. J., et al.
(författare)
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Duration and magnitude of postoperative risk of venous thromboembolism after planned inguinal hernia repair in men : a population-based cohort study
- 2018
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Ingår i: Hernia. - : Springer. - 1265-4906 .- 1248-9204. ; 22:3, s. 447-453
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Tidskriftsartikel (refereegranskat)abstract
- Purpose: Little is known regarding the magnitude and timing of the risk of VTE following inguinal hernia surgery. We aimed to determine the absolute and relative rates of venous thromboembolism (VTE) following planned inguinal hernia repair.Methods: We analysed male adults with a first inguinal hernia repair with no prior record of VTE from the Clinical Practice Research Datalink, linked to the Hospital Episode Statistics (2001-2011). Crude rates and adjusted hazard ratios (HR) of the first VTE were calculated using Cox regression analysis to compare specific time periods following the surgery compared to the general population.Results: We identified 28,782 men who underwent an inguinal hernia repair with 53 (0.18%) having a first VTE in the 90 days following surgery. The overall rate of VTE in the first 90 days following surgery was 7.61 per 1000 person years (pyrs) (95% CI 5.82-9.96). Increasing age, a body mass index > 30 kg/m(2) and an in-patient procedure were associated with an increased risk of VTE, when compared to the general population. The risk of VTE was highest in the 1st month following the surgery with a 2.3- (aHR 2.33; 95% CI 1.09-4.99) and 3.5- (aHR 3.47; 95% CI 2.07-5.83) fold increased risk compared to the general population for both day case and planned in-patient procedures, respectively.Conclusions: Reassuringly, the absolute rates of VTE following inguinal hernia repair are low. Patients should be informed that their peak risk of VTE is during the 1st month following the surgery. Further studies on the optimum duration of thromboprophylaxis following surgery are required in high-risk patients undergoing hernia repair.
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