title: Role of multidetector computed tomography in evaluating complications following endovascular repair of aortic aneurysm.
abstract: OBJECTIVE
  To study the role of multidetector computed tomography (MDCT) in evaluating various complications following endovascular stenting of aortic aneurysms.
  
  
  METHODS
  Over a period of 2 years (June 2005 to June 2007), 50 patients with aortic aneurysm on computed tomography (CT) angiogram were prospectively studied. Images were acquired on a 64 slice multidetector row CT scanner (GE-LightSpeed VCT) after intravenous administration of nonionic iodinated contrast. Nineteen patients underwent endovascular stent-graft repair based on their medical and surgical risk factors. Stent-graft related complications were recorded by CT angiography and analyzed using descriptive statistics.
  
  
  RESULTS
  Most common complication related to the endovascular stent-graft placement was endoleak (44.4%), followed by puncture site hematoma (27.8%), thrombotic occlusion of a limb of the bifurcated stent graft, kinking of the stent-graft, and difficult catheterization with intimal tear in the common iliac artery were 5.6% each. Poststent diameter of the aneurysm was an important predictor of endoleaks. All the patients with either increase or no change in the aneurysm size had endoleaks.
  
  
  CONCLUSIONS
  MDCT angiography is an important modality in identifying, describing, and following up the various complications following endovascular repair of aortic aneurysms, endoleaks being the most common complication. Decrease in the poststent diameter of the aneurysm suggested a good outcome.
authors.affiliation: Narayana Institute of Health Sciences and Teleradiology Solutions, Bangalore, India.
authors.forename: Zarina Abdul
authors.initials: ZA
authors.lastname: Aziz
authors.forename: Purushotham R
authors.initials: PR
authors.lastname: Naidu
authors.forename: Jagadish
authors.initials: J
authors.lastname: Prasad
authors.forename: Arjun
authors.initials: A
authors.lastname: Kalyanpur