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Ippoliti A., Di Giulio L., Bortot M., Carpanese L., Pistolese G. R.,
From the Department of Vascular Surgery Ospedale S. Eugenio, Rome, Italy “Tor Vergata” University of Rome, Italy
Background. Dacron knitted graft dilation assessment with helical CT scanning after aortoiliac surgery.
Methods. We followed up twenty patients who underwent bifurcated Dacron knitted graft implantation for either aneurysmatic or obstructive aortoiliac disease: 10 Vascutek gelsoft plus ® (study group) and 10 Meadox Hemashield Microvel ® (control group) by means of contrast-enhanced helical CT scanning on postoperative day 10 and three and six months later. Both the study group (mean age: 69.3 years; one female) and control group (mean age: 65.9 years, all males) were homogeneous for risk factors. In the first group, 8 patients presented abdominal aortic aneurysm, and two lower limb obstructive disease; in the control group, 9 subjects presented abdominal aortic aneurysm and one lower limb obstructive disease. Patients in both groups were also classified as normotensive, hypertensive with pharmacological control and hypertensive without pharmacological control.
Results. Mean early dilation of the graft body was 15.5% in the study group and 21.5% in the control group; mean early dilation of graft limbs was 9.9% and 18.3%, respectively. No further dilation was recorded either three or six months later. No statistically significant differences were found between normotensive and hypertensive patients.
Conclusions. Early graft dilation does not appear to be a real problem, but merely the physiological adjustment of graft tissue. Further research will evaluate any prognostic significance. Surgery is required in the event of complications.
language: English, Italian