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Endovascular treatment is rapidly taking over surgery for aorto-iliac occlusive disease (AOID), also in extensive pathology. This is related to its minimally invasiveness, decreasing the procedural morbidity rate. When the aortic bifurcation was involved in the lesion, the patency rates of kissing stents configurations were often inferior to open repair. In 2013 the Covered Endovascular Reconstruction of the Aortic Bifurcation (CERAB) technique was introduced in an attempt to improve endovascular treatment results by a more anatomical and physiological reconstruction, with a subsequent improved clinical outcome.
This investigator-initiated multicenter trial will prospectively record all data on performed CERAB procedures using the Bentley balloon expandable covered stents (BeGraft Aortic and BeGraft Peripheral) in multiple International sites, in order to gain more robust real-world data on the efficacy of these stent grafts for this indication.
Consecutive patients in whom a CERAB will be performed with these particular covered stents in the participating centers.
Main study parameters/endpoints: The primary end-point of this study is technical success. Patency rates, peri-procedural morbidity, clinical improvement, quality of life, clinically-driven target vessel revascularization and reintervention-rate will be secondary outcome measures. Overall, patients will be followed for 5 years
Endovascular treatment is rapidly taking over surgery for aorto-iliac occlusive disease (AOID) also for complex lesions. This is related to the minimally invasiveness of the procedure decreasing the morbidity rate. Patency results of endovascular treatment were often inferior compared to open repair when the aortic bifurcation was involved in the lesion. In 2013 Covered Endovascular Reconstruction of the Aortic Bifurcation (CERAB) technique was introduced in an attempt to improve endovascular treatment results by a more anatomical and physiological reconstruction, with a subsequent better clinical outcome. The early results of the CERAB configuration are promising with primary, primary-assisted and secondary patency of, respectively 86.2%/91.1%/97.0% at 1-year, 83.9%/88.7%/97.0% at 2-year and 82.1%/86.8%/97.0% at 3-year FU in a group of 130 patients, including the first in man results. The vast majority (89.2%) were TASC-II D lesions and the 30-day major complication rate was 7.7%.
This trial is designed to prospectively collect all data on implanted CERAB configurations, using the balloon expandable stents from Bentley InnoMed, in a defined group of aorto-iliac pathology in multiple international sites in order to gain more insight in the outcome of the technique. Technical success will be the primary endpoint. Other evaluations will include patency rates, quality of life, the reintervention-rate, 30-day morbidity and target vessel revascularization up to 5 years after treatment.
A total of 145 patients will be included and followed until 5 years of follow-up. A core lab will independently analyze the images (CT scan or duplex) which will be made at the following time points: pre-op, 1 month, 6 months, 1 year and yearly up to 5 years of follow-up.
Additionally, at these time points three questionnaires will be completed by the patients. These questionnaires are about walking ability (WIQ), and quality of life (EQ-5D and WHOQoL-BREF).
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| Measure | Description | Time Frame |
|---|---|---|
| Technical success | Technical success is defined as successful implantation of the CERAB device without occlusion during the first 30-days after implantation | Up to 30 days |
| Primary patency | Primary patency at 12 months measured by duplex ultrasound | Up to 12 months |
| Technical success | Technical success is defined as successful implantation of the CERAB device without conversion to open repair | Up to 30 days |
| Measure | Description | Time Frame |
|---|---|---|
| Technical success | Patency rates measured by duplex ultrasound | Up to 5 years of follow-up |
| Technical success | Target vessel revascularization measured by duplex ultrasound |
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Inclusion Criteria:
Exclusion Criteria:
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The study will include 145 patients in whom a CERAB will be performed.
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| Name | Affiliation | Role |
|---|---|---|
| Michel Reijnen, MD, PhD | Principal Investigator | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Dandenong Hospital | Victoria Point | Australia | ||||
| A.O.U. Città della Salute e della Scienza di Torino |
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| Up to 5 years of follow-up |
| Technical success | Conversion to open surgery judged at every clinic visit by the investigator | Up to 5 years of follow-up |
| Clinical success | Freedom from reinterventions judged at every clinic visit by the investigator | Up to 5 years of follow-up |
| Clinical success | 30 days morbidity judged at every clinic visit by the investigator | Up to 30 days of follow-up |
| Clinical success | Incidence serious adverse events device related judged at every clinic visit and in between visits if the investigator notes that an AE appeared, done by the investigator | Up to 3 months of follow-up |
| Clinical success | Incidence serious adverse events device related judged at every clinic visit and in between visits if the investigator notes that an AE appeared, done by the investigator | Up to 6 months of follow-up |
| Clinical success | Incidence serious adverse events device related judged at every clinic visit and in between visits if the investigator notes that an AE appeared, done by the investigator | Up to 12 months of follow-up |
| Clinical success | Incidence of serious adverse events procedure related judged at every clinic visit and in between visits if the investigator notes that an AE appeared, done by the investigator | Up to 3 months of follow-up |
| Clinical success | Incidence of serious adverse events procedure related judged at every clinic visit and in between visits if the investigator notes that an AE appeared, done by the investigator | Up to 6 months of follow-up |
| Clinical success | Incidence of serious adverse events procedure related judged at every clinic visit and in between visits if the investigator notes that an AE appeared, done by the investigator | Up to 12 months of follow-up |
| Clinical success | Overall survival investigated with every clinic visit, done by the investigator | Up to 5 years of follow-up |
| Clinical success | Reintervention-free survival investigated with every clinic visit, done by the investigator | Up to 5 years of follow-up |
| Clinical success | Clinical improvement as measured by the Rutherford category of which 1 is better dan 6 | Up to 5 years of follow-up |
| Clinical success | Patient reported outcomes measured by the EQ-5D questionnaire | Up to 5 years of follow-up |
| Clinical success | Patient reported outcomes measured by the Walking Impairment Questionnaire | Up to 5 years of follow-up |
| Clinical success | Patient reported outcomes measured by the WHOQoL Bref | Up to 5 years of follow-up |
| Torino |
| Italy |
| Spanish Hospital | Mexico City | Mexico |
| Rijnstate Hospital | Arnhem | Gelderland | Netherlands |
| Dijklander Ziekenhuis | Hoorn | Netherlands |
| Medical University Center Maastricht | Maastricht | Netherlands |
| Auckland City Hospital | Auckland | New Zealand |
| Waikato Hospital | Hamilton | New Zealand |
| ID | Term |
|---|---|
| D007925 | Leriche Syndrome |
| ID | Term |
|---|---|
| D001018 | Aortic Diseases |
| D014652 | Vascular Diseases |
| D002318 | Cardiovascular Diseases |
| D001157 | Arterial Occlusive Diseases |
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