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Comparative Study
Journal Article
Endovascular Repair of Thoracoabdominal Aortic Aneurysm in High-Surgical Risk Patients: Fenestrated and Branched Endografts.
Annals of Vascular Surgery 2017 April
BACKGROUND: To report early and mid-term results of endovascular repair of thoracoabdominal aortic aneurysms (TAAAs) by using Cook Zenith fenestrated/branched endografts (FB-EVAR) in high surgical risk patients unfit for open repair (OR).
METHODS: Between January 2012 and April 2015, all the patients with TAAA, considered at high surgical risk for OR and treated by Cook Zenith FB-EVAR, were prospectively enrolled. Patients were studied using a thoracoabdominal computer tomography angiography (CTA) and dedicated software for advanced vessels analysis. Follow-up was performed by duplex ultrasound (DU), contrast-enhanced DU, and/or CTA. Early end points were the following: technical success (TS), spinal cord ischemia (SCI), and 30-day morbidity/mortality. Follow-up end points were the following: survival, TAAA-related mortality, target visceral vessels (TVV) patency, type I/III endoleaks, and freedom from reinterventions (FFRs).
RESULTS: Thirty patients (male 77%, mean age 73 ± 7 years, American Society of Anesthesiologists 3/4 60%/40%) affected by TAAA type I (4%), II (21%), III (57%), and IV (18%) were enrolled. The mean aneurysm diameter was 66 ± 14 mm. The overall number of TVV was 107 (3.5 ± 0.9 vessels/patients). Custom-made and off-the-shelf endografts were used in 22 (73%) and 8 (23%) cases, respectively. The procedure was performed in multiple steps in 23 cases (77%). There were not intraoperative mortality and type I-III endoleaks, and the TVV patency was 97% (104/107). TS was 87%.There were 2 irreversible paraplegias (6.6%) and 1 reversible paraparesis (3.4%). Postoperative cardiac and pulmonary complications occurred in 2 (6.6%) and 2 (6.6%) patients, respectively. Renal function worsening (≥30% of the baseline level) was detected in 4 cases (13%). The 30-day mortality was 6.6%. Survival at 6, 12, and 24 months was 90%, 85%, and 68%, respectively. There was no TAAA-related mortality. The TVV patency at 3, 6, and 24 months was 95%, 90%, and 90%, respectively, and there were no type I-III endoleaks. FFRs at 6, 12, and 24 months was 88%.
CONCLUSION: The endovascular repair of TAAA by using Cook Zenith fenestrated/branched endografts is feasible with acceptable technical and clinical results at early to mid-term results in patients at high surgical risk unfit for OR.
METHODS: Between January 2012 and April 2015, all the patients with TAAA, considered at high surgical risk for OR and treated by Cook Zenith FB-EVAR, were prospectively enrolled. Patients were studied using a thoracoabdominal computer tomography angiography (CTA) and dedicated software for advanced vessels analysis. Follow-up was performed by duplex ultrasound (DU), contrast-enhanced DU, and/or CTA. Early end points were the following: technical success (TS), spinal cord ischemia (SCI), and 30-day morbidity/mortality. Follow-up end points were the following: survival, TAAA-related mortality, target visceral vessels (TVV) patency, type I/III endoleaks, and freedom from reinterventions (FFRs).
RESULTS: Thirty patients (male 77%, mean age 73 ± 7 years, American Society of Anesthesiologists 3/4 60%/40%) affected by TAAA type I (4%), II (21%), III (57%), and IV (18%) were enrolled. The mean aneurysm diameter was 66 ± 14 mm. The overall number of TVV was 107 (3.5 ± 0.9 vessels/patients). Custom-made and off-the-shelf endografts were used in 22 (73%) and 8 (23%) cases, respectively. The procedure was performed in multiple steps in 23 cases (77%). There were not intraoperative mortality and type I-III endoleaks, and the TVV patency was 97% (104/107). TS was 87%.There were 2 irreversible paraplegias (6.6%) and 1 reversible paraparesis (3.4%). Postoperative cardiac and pulmonary complications occurred in 2 (6.6%) and 2 (6.6%) patients, respectively. Renal function worsening (≥30% of the baseline level) was detected in 4 cases (13%). The 30-day mortality was 6.6%. Survival at 6, 12, and 24 months was 90%, 85%, and 68%, respectively. There was no TAAA-related mortality. The TVV patency at 3, 6, and 24 months was 95%, 90%, and 90%, respectively, and there were no type I-III endoleaks. FFRs at 6, 12, and 24 months was 88%.
CONCLUSION: The endovascular repair of TAAA by using Cook Zenith fenestrated/branched endografts is feasible with acceptable technical and clinical results at early to mid-term results in patients at high surgical risk unfit for OR.
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