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Positron Emission T...
Positron Emission Tomography/Computed Tomography Predicts and Detects Complications After Endovascular Repair of Abdominal Aortic Aneurysms
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Courtois, A (författare)
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Makrygiannis, G (författare)
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El Hachemi, M (författare)
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- Hultgren, R (författare)
- Karolinska Institutet
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Allaire, E (författare)
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Namur, G (författare)
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Hustinx, R (författare)
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Defraigne, JO (författare)
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Sakalihasan, N (författare)
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(creator_code:org_t)
- 2019-05-10
- 2019
- Engelska.
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Ingår i: Journal of endovascular therapy : an official journal of the International Society of Endovascular Specialists. - : SAGE Publications. - 1545-1550. ; 26:4, s. 520-528
- Relaterad länk:
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http://kipublication...
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https://doi.org/10.1...
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Abstract
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- Purpose: To assess if aortic 18F-fluorodeoxyglucose (FDG) uptake on positron emission tomography/computed tomography (PET/CT) could play a role in predicting complications after endovascular aneurysm repair (EVAR). Materials and Methods: This study involved 2 cohorts of men with abdominal aortic aneurysm treated by EVAR: those who underwent a PET/CT scan before EVAR (n=17) and those who had a PET/CT during follow-up (n=34). Uptake of FDG was measured as the standardized uptake value (SUV). D-dimer, a marker of fibrinolysis, was measured in blood drawn concomitantly with the PET/CT. Results: A significant uptake of FDG in the aneurysm wall was detected by PET/CT before EVAR in 6 of 17 patients. During the first year after EVAR, type II endoleaks developed in 5 of these FDG+ patients vs 3 of 11 FDG– patients (p=0.04). Two of the FDG+ patients had continued sac growth and required conversion to open repair. A significant association between sac growth rate, SUV, and the presence of endoleak was found in the 34 patients who underwent PET/CT after EVAR. Finally, D-dimer was significantly increased in patients with both endoleak and positive PET/CT in the post-EVAR group. Conclusion: This study suggests that the presence of FDG uptake in the aortic wall might be a useful tool to predict patients at high risk of developing post-EVAR complications.
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