the protagoras study...the protagoras study key findigs from the protagoras study 95.7%93.3% reasons...
TRANSCRIPT
The PROTAGORAS Study
Konstantinos P. Donas, Giovanni Torsello
Department of Vascular Surgery
St. Franziskus Hospital Münster, Germany
Disclosure
Speaker name: .
Konstantinos Donas..............................................................................
I have the following potential conflicts of interest to report:
Consulting
Employment in industry
Stockholder of a healthcare company
Owner of a healthcare company
Other(s)
I do not have any potential conflict of interest
x
x
Chimney technique
• Current evidence base
Plethora of single-center series
Current evidence base
• Limited number of patients
• Wide variety of treated entities
• Several combinations of off-the-shelf devices
J Vasc Surg 2016
Devic
es
sele
ctio
n
128 patients with pararenal pathologies and the intention to treat by Endurant and Advanta V12 as chimney graft
The PROTAGORAS Study
D
evic
e s
ele
ctio
n
Sac regression: 64.8+/-14.6mm60.1+/-16.3mm, p <0.001
New onset of type IA endoleak: 1.6 %
The PROTAGORAS Study
Key findigs from the Protagoras Study
95.7% 93.3%
Reasons for good results in the PROTAGORAS study
1. Devices selection
3. Length of the new neck
2. Oversizing
D
evic
es
sele
ctio
n
Importance of standard combinations
128 patients treated by Endurant
and balloon expandable chimney grafts
D
evic
es
sele
ctio
n
Importance of standard combinations
41 patients treated by 10
different combinations between
abdominal and chimney grafts
D
evic
es
sele
ctio
n
9 patients treated by 4 different combinations of abdominal and chimneygrafts
Importance of standard combinations
Importance of new neck length N
ew
neck
length
Neck length/seal zone changed from 4.7mm to
18.7mm
New
neck
length
Overs
izin
g
Overs
izin
g
Chimney EVAR performing with Endurant Aortic Endografts
Sufficient landing zone of 20mm
Oversizing 20-30%
Standard combination with balloon
expandable covered stents
The PROTAGORAS Study
Konstantinos P. Donas, Giovanni Torsello
Department of Vascular Surgery
St. Franziskus Hospital Münster, Germany