Preliminary results from a multicenter Italian registry on the use of a new branched device for the treatment of thoracoabdominal aortic aneurysms

Angiletta, Domenico; Piffaretti, Gabriele; Patruno, Isabella; Wiesel, Paola; Zacà, Sergio; Perkmann, Rainhold; Antonello, Michele; Bush, Ruth L.; Pulli, Raffaele

doi:10.1016/j.jvs.2020.12.092

Cited by 3 publications

(4 citation statements)

References 26 publications

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“…7 Custom-made fenestrated (f-EVAR) or b-EVAR stent-grafts are advocated to treat SRAP, but Ch-EVAR may be useful when custommade devices are not available. 8 In our case, f-EVAR manufacturing time and the unsuitability for off-the-shelf b-EVAR were the most limitations in a life-threatening suprarenal aortic rupture. 9 In the reported case Ch-EVAR represented a tailored approach that may guarantee the exclusion of the aortic lesion with a short length of aortic coverage and preservations of all visceral branches.…”

Section: Discussionmentioning

confidence: 66%

“…Custom‐made fenestrated (f‐EVAR) or b‐EVAR stent‐grafts are advocated to treat SRAP, but Ch‐EVAR may be useful when custom‐made devices are not available 8 . In our case, f‐EVAR manufacturing time and the unsuitability for off‐the‐shelf b‐EVAR were the most limitations in a life‐threatening suprarenal aortic rupture 9 .…”

Section: Discussionmentioning

confidence: 83%

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Endovascular repair using parallel grafts to treat a suprarenal pancreatitis‐related abdominal aortic pseudoaneurysm

Zacà

Patruno

Pulli

et al. 2023

Cathet Cardio Intervent

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Arterial pseudoaneurysms represent an uncommon complication of acute pancreatic inflammation or chronic pancreatitis. We describe a contained rupture of a suprarenal abdominal aortic pseudoaneurysm. An aorto-uni-iliac stent-graft was adopted as the aortic main body and was combined with two chimneys and two periscope stents for celiac/superior mesenteric artery and renal arteries, respectively. The procedure was complicated by the entrapment of the celiac sheath into the barbs of the aortic stent-graft and the attempts to remove the sheath resulted in an upward migration of the stent-grafts. A bail-out endovascular procedure was used to reline the stent-grafts and the pseudoaneurysmal sac was embolized with coils.

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Section: Discussionmentioning

confidence: 66%

Section: Discussionmentioning

confidence: 83%

Endovascular repair using parallel grafts to treat a suprarenal pancreatitis‐related abdominal aortic pseudoaneurysm

Zacà

Patruno

Pulli

et al. 2023

Cathet Cardio Intervent

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“…This feature of the Colt device should be taken into account in case of complex aneurysm anatomy because of its versatile shape and conformability. Even though we present only elective cases in our series, some authors suggest that this system, owing to its characteristics, may also be used as an off-the-shelf service in emergency cases [ 42 , 43 ]. Angiletta et al .…”

Section: Discussionmentioning

confidence: 99%

“…The shortening of the proximal part of the graft reduces the risk of paraplegia. The Italian group pointed out that the fixed length of the Zenith t-Branch device determines a higher coverage of the nondiseased aorta compared with the custom-made devices [43]. This problem was also discussed by Ferreira et al [23] who modify the Zenith t-Branch device by cutting its proximal or distal part in particular cases of supra-and juxtarenal aneurysms.…”

Section: Evolution Of the Initial Projectmentioning

confidence: 99%

The Colt Device for Treating Thoraco-Abdominal Aneurysms - Concept and Clinical Results

Szopiński¹,

Pleban²,

Iwanowski³

2022

Rev. Cardiovasc. Med.

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Objective: To report results of application a new stent graft design for the treatment of patients with thoraco-abdominal aneurysms (TAAAs), which was co-invented by a vascular surgeon. This is a retrospective observational study. Methods: The Colt is a selfexpanding stent graft, composed of nitinol metal stents creating a special exoskeleton with asymmetric springs covered with polyester material. The Colt device offers some advantages over existing stent graft options. The main body is available in two different diameters on both ends and in three different lengths. It has four branches pointing downward and coming from the main stent graft at two levels. It offers the physician an opportunity to decide which branch to choose for the target vessel. It may be implanted alone or extended proximally and distally. Balloon expandable and/or self-expanding stent grafts are used to create the visceral branches. In complex extensive aneurysms, the procedure is divided into two or three stages to minimize the risks of spinal cord ischemia. Results: Between August 2015 and December 2021, twenty-two Colt stent grafts were implanted in twenty males and two females (aged 56-81) with TAAAs (eight Type II; twelve Type III; two Type IV). The mean aneurysm diameter was 73.4 mm (range 64-83). All patients were asymptomatic. Eighty-five target vessels were reconstructed using either self-expanding or balloon-expandable stent grafts. Fourteen bifurcated, six custom-made tubes and two aortouniiliac (AUI) stent grafts were used as distal extensions to the Colt device. Completion angiography revealed no type I endoleaks. Five patients had Type II endoleaks which were treated conservatively. There were no intraoperative deaths. One patient died on the 7th postoperative day from multiorgan failure. We did not observe any other complications within 30 days after implantation. One patient died from Covid-19 two months after discharge. Follow-up ranged from three to 75 months. There was no migration or dislocation of the docking station or proximal and distal extensions. All Colt device prostheses remained patent, however, two branches leading to the coeliac trunk were found occluded at the time of the 12-month CTA, without any symptoms. In two patients, there were late problems with three renal bridging stent grafts. One of the Type II endoleaks resolved spontaneously after one year, while four others remain under observation. No patient had an increase in sac diameter. Conclusions: Results from the current series are promising. The Colt stent graft can be applied to a large variety of TAAA anatomies, which may facilitate the development of new "off-the-shelf" devices in the future.

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Iliac branch device: A possible solution for the preservation of the inferior mesenteric artery in complex aortic endovascular procedure

Zacà

Ringold

Sodero

et al. 2022

Annals of Vascular Surgery - Brief Reports and Innovations

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Preliminary results from a multicenter Italian registry on the use of a new branched device for the treatment of thoracoabdominal aortic aneurysms

Cited by 3 publications

References 26 publications

Endovascular repair using parallel grafts to treat a suprarenal pancreatitis‐related abdominal aortic pseudoaneurysm

Endovascular repair using parallel grafts to treat a suprarenal pancreatitis‐related abdominal aortic pseudoaneurysm

The Colt Device for Treating Thoraco-Abdominal Aneurysms - Concept and Clinical Results

Iliac branch device: A possible solution for the preservation of the inferior mesenteric artery in complex aortic endovascular procedure

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