Abstract
The AneuRx (Medtronic) stent graft was approved by the FDA in September 1999. The purpose of this study was to ascertain the aneurysm-related mortality rate of a subgroup of the patient cohort from Medtronic's investigational premarket study. There were 931 study subjects, from 19 medical centers, who were followed for an average of 3.48 years. Abdominal aortic aneurysm (AAA)-related mortality rates were examined, using death certificates and medical records. The 1-month postimplant death rate was 1.61%. Not counting deaths related to the initial implant, there was an increase in the rate of AAA-related mortality after 3 years, from an average of 0.18% in the first 3 years to an average of 1.39% in years 4 and 5. Mortality in patients implanted with an AneuRx graft (as determined in this study) probably exceeds that of open procedure patients (based on medical literature) at some point in time, likely within 4 years after implant.
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