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Panthofer A, Bresler AM, Olson SL, Kuramochi Y, Eagleton M, Böckler D, Schneider DB, Lyden SP, Blackwelder WC, Meadows W, Pauli T, DeRoo E, Matsumura JS. Multicenter CT Image-Based Anatomic Assessment of Patients with Aortoiliac Aneurysm Undergoing Endovascular Repair with Iliac Branch Devices. Ann Vasc Surg 2024; 108:484-497. [PMID: 39009130 DOI: 10.1016/j.avsg.2024.05.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Revised: 04/29/2024] [Accepted: 05/02/2024] [Indexed: 07/17/2024]
Abstract
BACKGROUND The Global Iliac Branch Study (NCT05607277) is an international, multicenter, retrospective cohort study of anatomic predictors of adverse iliac events (AIEs) in aortoiliac aneurysms treated with iliac branch devices (IBDs). METHODS Patients with pre-IBD and post-IBD computed tomography imaging were included. We measured arterial diameters, stenosis, calcification, bifurcation angles, and tortuosity indices using a standardized, validated protocol. A composite of ipsilateral AIE was defined, a priori, as occlusion, type I or III endoleak, device constriction, or clinical event requiring reintervention. Paired t-test compared tortuosity indices and splay angles pretreatment and post-treatment for all IBDs and by device material (stainless steel and nitinol). Two-sample t-test compared anatomical changes from pretreatment to post-treatment by device material. Logistic regression assessed associations between AIE and anatomic measurements. Analysis was performed by IBD. RESULTS We analyzed 297 patients (286 males, 11 females) with 331 IBDs (227 stainless steel, 104 nitinol). Median clinical follow-up was 3.8 years. Iliac anatomy was significantly straightened with all IBD treatment, though stainless steel IBDs had a greater reduction in total iliac artery tortuosity index and aortic splay angle compared to nitinol IBDs (absolute reduction -0.20 [-0.22 to -0.18] vs. -0.09 [-0.12 to -0.06], P < 0.0001 and -19.6° [-22.4° to -16.9°] vs. -11.2° [-15.3° to -7.0°], P = 0.001, respectively). There were 54 AIEs in 44 IBDs in 42 patients (AIE in 13.3% of IBD systems), requiring 35 reinterventions (median time to event 41 days; median time to reintervention 153 days). There were 18 endoleaks, 29 occlusions, and 5 device constrictions. There were no strong associations between anatomic measurements and AIE overall, though internal iliac diameter was inversely associated with AIE in nitinol devices (nAIE, nitinol = 8). CONCLUSIONS Purpose-built IBDs effectively treat aortoiliac disease, including that with tortuous anatomy, with a high patency rate (91.5%) and low reintervention rate (9.1%) at 4 years. Anatomic predictors of AIE are limited.
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Affiliation(s)
- Annalise Panthofer
- Division of Vascular Surgery, Department of Surgery, University of Wisconsin School of Medicine and Public Health, Madison, WI.
| | | | - Sydney L Olson
- Division of Vascular Surgery, Department of Surgery, University of Wisconsin School of Medicine and Public Health, Madison, WI
| | - Yuki Kuramochi
- Department of Vascular Surgery, Heart Vascular and Thoracic Institute, Cleveland Clinic, Cleveland, OH
| | - Matthew Eagleton
- Division of Vascular and Endovascular Surgery, Department of Surgery, Massachusetts General Hospital, Boston, MA
| | - Dittmar Böckler
- Department of Vascular Surgery, Heidelberg University Hospital, Heidelberg, Germany
| | - Darren B Schneider
- Division of Vascular Surgery and Endovascular Therapy, Department of Surgery, Hospital of the University of Pennsylvania, Philadelphia, PA
| | - Sean P Lyden
- Department of Vascular Surgery, Heart Vascular and Thoracic Institute, Cleveland Clinic, Cleveland, OH
| | - William C Blackwelder
- Division of Vascular Surgery, Department of Surgery, University of Wisconsin School of Medicine and Public Health, Madison, WI; Department of Epidemiology & Public Health, University of Maryland, Baltimore, MD
| | - Wendy Meadows
- Division of Vascular Surgery, Department of Surgery, University of Wisconsin School of Medicine and Public Health, Madison, WI; Division of Vascular Surgery, Department of Surgery, University of Colorado School of Medicine, Aurora, CO
| | - Tom Pauli
- Division of Vascular Surgery, Department of Surgery, University of Wisconsin School of Medicine and Public Health, Madison, WI; Division of Vascular Surgery, Department of Surgery, University of Colorado School of Medicine, Aurora, CO
| | - Elise DeRoo
- Division of Vascular Surgery, Department of Surgery, University of Wisconsin School of Medicine and Public Health, Madison, WI
| | - Jon S Matsumura
- Division of Vascular Surgery, Department of Surgery, University of Wisconsin School of Medicine and Public Health, Madison, WI; Division of Vascular Surgery, Department of Surgery, University of Colorado School of Medicine, Aurora, CO
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Tatsuishi W, Shibuya K, Konishi Y, Oi A, Soda T, Abe T. Endovascular Aneurysm Repair Using Physician-Modified Fenestrated Endurant Contralateral Limb for Internal Iliac Artery Preservation. J Endovasc Ther 2023:15266028231215204. [PMID: 38041256 DOI: 10.1177/15266028231215204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2023]
Abstract
CLINICAL IMPACT We developed a novel Endovascular aortic repair technique for internal iliac artery preservation using a physician modified Endurant contralateral limb. This procedure was safe and reliable for preserving internal iliac artery flow in 24 patients with common and internal iliac artery aneurysms. We believe that our technique has the potential to expand the anatomic indications for internal iliac artery preserving procedures.
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Affiliation(s)
- Wataru Tatsuishi
- Division of Cardiovascular Surgery, Department of General Surgical Science, Gunma University, Maebashi, Japan
| | - Kei Shibuya
- Department of Radiology, Gunma University, Maebashi, Japan
| | - Yasunobu Konishi
- Division of Cardiovascular Surgery, Department of General Surgical Science, Gunma University, Maebashi, Japan
| | - Atsushi Oi
- Division of Cardiovascular Surgery, Department of General Surgical Science, Gunma University, Maebashi, Japan
| | - Takashi Soda
- Division of Cardiovascular Surgery, Department of General Surgical Science, Gunma University, Maebashi, Japan
| | - Tomonobu Abe
- Division of Cardiovascular Surgery, Department of General Surgical Science, Gunma University, Maebashi, Japan
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Cortolillo NS, Guerra A, Murphy E, Hoel AW, Eskandari MK, Tomita TM. Outcomes of the Gore ® Excluder ® Iliac Branch Endoprosthesis Using Self Expanding or Balloon-Expandable Stent Grafts for the Internal Iliac Artery Component. J Endovasc Ther 2023:15266028231169177. [PMID: 37148192 DOI: 10.1177/15266028231169177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
OBJECTIVE The GORE® EXCLUDER® Iliac Branch Endoprosthesis (IBE; W.L. Gore & Associates, Flagstaff, Arizona) was developed to be used in combination with a self-expanding stent graft (SESG) for the internal iliac artery (IIA) bridging stent. Balloon-expandable stent grafts (BESGs) are an alternative for the IIA, offering advantages in sizing, device tracking, precision, and lower profile delivery. We compared the performance of SESG and BESG when used as the IIA bridging stent in patients undergoing EVAR with IBE. METHODS This is a retrospective review of consecutive patients who underwent EVAR with IBE implantation at a single center from October 2016 to May 2021. Anatomic and procedural characteristics were recorded via chart review and computed tomography (CT) postprocessing software (Vitrea® v7.14). Devices were assigned to SESG vs. BESG groups based on the type of device landing into the most distal IIA segment. Analysis was performed per device to account for patients undergoing bilateral IBE. The primary endpoint was IIA patency, and secondary endpoint was IBE-related endoleak. RESULTS During the study period, 48 IBE devices were implanted in 41 patients (mean age 71.1 years). All IBE devices were implanted in conjunction with an infrarenal endograft. There were 24 devices in each of the self-expanding internal iliac component (SE-IIC) and balloon-expandable internal iliac component (BE-IIC) groups. The BE-IIC group had smaller diameter IIA target vessels (11.6±2.0 mm vs. 8.4±1.7 mm, p<0.001). Mean follow-up was 525 days. Loss of IIA patency occurred in 2 SESG devices (8.33%) at 73 and 180 days postprocedure, and in zero BESG devices, however, this difference was not statistically significant (p=0.16). There was 1 IBE-related endoleak requiring reintervention during the study period. A BESG device required reintervention due to Type 3 endoleak at 284 days. CONCLUSIONS There were no significant differences in outcomes between SESG and BESG when used for the IIA bridging stent in EVAR with IBE. The BESGs were associated with using 2 IIA bridging stents and were more often deployed in smaller IIA target arteries. Retrospective study design and small sample size may limit the generalizability of our findings. CLINICAL IMPACT This series compares postoperative and midterm outcomes of self expanding stent grafts and balloon expandable stent grafts (BESG) when used as the internal iliac stent graft as part of a Gore® Excluder® Iliac Branch Endoprosthesis (IBE). With similar outcomes between the two stent-grafts, our series suggests that some of the advantages of BESG, device sizing, tracking, deployment, and profile, may be able to be leveraged without impacting the mid-term performance of the IBE.
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Affiliation(s)
- Nicholas S Cortolillo
- Division of Vascular Surgery, Department of Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Andres Guerra
- Division of Vascular Surgery, Department of Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Eric Murphy
- Division of Vascular Surgery, Department of Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Andrew W Hoel
- Division of Vascular Surgery, Department of Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Mark K Eskandari
- Division of Vascular Surgery, Department of Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Tadaki M Tomita
- Division of Vascular Surgery, Department of Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
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Differences in Cardiac-Pulsatility-Induced Displacement and Geometry Changes between the Cook ZBIS and Gore IBE: Postoperative Comparison Using ECG-Gated CTA Scans. Diagnostics (Basel) 2023; 13:diagnostics13030496. [PMID: 36766601 PMCID: PMC9914023 DOI: 10.3390/diagnostics13030496] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2023] [Revised: 01/24/2023] [Accepted: 01/25/2023] [Indexed: 01/31/2023] Open
Abstract
To what extent the stentgraft design of iliac branch devices (IBDs) relates to dynamic deformation is currently unknown. Therefore, this study aimed to quantify and compare displacement and geometry changes during the cardiac cycle of two common IBDs. This paper presents a two-center trial with patients treated with a Zenith bifurcated iliac side (ZBIS) or Gore iliac branch endoprosthesis (IBE). All patients underwent a retrospective electrocardiogram (ECG)-gated computed tomographic angiography (CTA) during follow-up. Cardiac-pulsatility-induced displacement was quantified for the following locations: (neo) bifurcation of the aorta, IBD flow divider, distal markers of the internal iliac artery (IIA) component and first IIA bifurcation. Geometrical parameters (length, tortuosity index, curvature and torsion) were quantified over centerlines. Displacement was more pronounced for the IBE than the ZBIS, e.g., craniocaudal displacement of 0.91 mm (0.91-1.13 mm) vs. 0.57 mm (0.40-0.75 mm, p = 0.004), respectively. The IBDs demonstrated similar geometrical parameters in the neo-common iliac artery and distal IIA, except for the larger dynamic curvature and torsion of the distal IIA in IBEs. The IBEs showed more dynamic length and curvature change compared to the ZBIS in the stented IIA. The IIA trajectory showed more pronounced deformation during the cardiac cycle after placement of an IBE than a ZBIS, suggesting the IBE is more conformable than the ZBIS.
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Schneider DB, Matsumura JS, Lee JT, Peterson BG, Chaer RA, Oderich GS. Five-year outcomes from a prospective, multicenter study of endovascular repair of iliac artery aneurysms using an iliac branch device. J Vasc Surg 2023; 77:122-128. [PMID: 35842202 DOI: 10.1016/j.jvs.2022.07.006] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 06/30/2022] [Accepted: 07/06/2022] [Indexed: 02/03/2023]
Abstract
OBJECTIVE We have reported the 5-year results of a pivotal prospective, multicenter study conducted in the United States of a specifically designed iliac branch endoprosthesis (IBE; W.L. Gore & Associates, Flagstaff, AZ) for endovascular repair of aortoiliac aneurysms and common iliac artery aneurysms. METHODS A total of 63 patients (98.4% male; mean age, 70 years) with aortoiliac or common iliac artery aneurysms had undergone implantation of a single IBE device and a bifurcated aortoiliac stent graft. Patients with bilateral common iliac artery aneurysms (n = 22; 34.9%) had undergone either staged occlusion or surgical revascularization of the contralateral internal iliac artery before study enrollment. At 5 years, 36 of the 63 patients had completed the final study follow-up examinations, including clinical examinations (n = 35) and computed tomography (n = 32), with the results evaluated by an independent core laboratory and adverse events adjudicated by a clinical events committee. RESULTS At 5 years, freedom from all-cause mortality was 85.7% and freedom from aneurysm-related mortality was 100%. The nine deaths that had occurred (range, 132-1898 days) were adjudicated as unrelated to the aneurysm or procedure. Primary patency of the internal and external iliac artery IBE limbs was 95.1% and 100%, respectively. No patients had experienced new-onset buttock claudication on the IBE side or self-reported new-onset erectile dysfunction. The common iliac artery diameter on the IBE side was either unchanged or had decreased by ≥5 mm in 30 of the 31 patients (96.8%) with a baseline (1 month) and 5-year (range, 1641-2006 days) computed tomography scan available. Of the 31 evaluable patients, 9 (29.0%) had had an increase of ≥5 mm in the aortic diameter, 5 of whom had had a concurrent type II endoleak. No type I or type III endoleaks or device migration were identified by the core laboratory. Six patients had undergone eight secondary interventions, including five interventions for a type II endoleak. The freedom from secondary intervention was 90.5%. CONCLUSIONS The 5-year results of our prospective, multicenter study have confirmed the safety, efficacy, and durability of the IBE device for the treatment of aortoiliac and iliac artery aneurysms. The device effectively prevented common iliac artery aneurysm rupture, maintained the patency of the internal iliac artery, and avoided the complications associated with internal iliac artery sacrifice. Although common iliac artery aneurysm enlargement was rare, abdominal aortic enlargement was more common, suggesting that the outcomes of endovascular aneurysm repair might be different for patients with or without associated common iliac artery aneurysms.
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Affiliation(s)
- Darren B Schneider
- Division of Vascular Surgery and Endovascular Therapy, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA.
| | - Jon S Matsumura
- Division of Vascular Surgery, University of Wisconsin School of Medicine and Public Health, Madison, WI
| | - Jason T Lee
- Division of Vascular Surgery, Stanford University School of Medicine, Stanford, CA
| | - Brian G Peterson
- Heart and Vascular Institute, St. Luke's Hospital, Chesterfield, MO
| | - Rabih A Chaer
- Division of Vascular Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA
| | - Gustavo S Oderich
- Division of Cardiothoracic and Vascular Surgery, University of Texas Health Science Center, Houston, TX
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van Helvert M, Simmering JA, Koenrades MA, Slump CH, Heyligers JM, Geelkerken RH, Reijnen MM. Evaluation of electrocardiogram-gated computed tomography angiography to quantify changes in geometry and dynamic behavior of the iliac artery after placement of the Gore Excluder Iliac Branch Endoprosthesis. THE JOURNAL OF CARDIOVASCULAR SURGERY 2022; 63:454-463. [PMID: 35005875 DOI: 10.23736/s0021-9509.22.11980-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
BACKGROUND The GORE® EXCLUDER® Iliac Branch Endoprosthesis (IBE) is designed to treat iliac aneurysms with preservation of blood flow through the internal iliac artery (IIA). Little is known about the influence of IBE placement on the IIA geometry. This study aimed to provide detailed insights in the dynamic behavior and geometry of the common iliac artery (CIA) and IIA trajectory and how these are influenced after treatment with an IBE. METHODS Pre- and postoperative electrocardiogram-gated computed tomography angiography (ECG-gated CTA) scans were acquired in a prospective study design and analyzed with in-house written algorithms designed for aorto-iliac and endoprosthesis deformation evaluation. Cardiac pulsatility-induced motion patterns and pathlengths were computed by tracking predefined locations on the aorto-iliac tract. Centerlines through the CIA-IIA trajectory were used to investigate the static and dynamic geometry, including curvature, torsion, length and Tortuosity Index (TI). RESULTS Fourteen CIA-IIA trajectories were analyzed before and after IBE placement. Cardiac pulsatility-induced motion and pathlengths increased after IBE placement, especially at mid IIA and the first IIA bifurcation (P≤0.04). After IBE placement, static and dynamic curvature, length and TI decreased significantly (P<0.05). Furthermore, the average dynamic torsion increased significantly (P=0.030). The remaining geometrical outcomes were not statistically significant. CONCLUSIONS The placement of an IBE device stiffens and straightens the CIA-IIA trajectory. Its relation with clinical outcome is yet to be investigated, which can be done thoroughly with the ECG-gated CTA algorithms used in this study.
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Affiliation(s)
- Majorie van Helvert
- Multi-Modality Medical Imaging Group, TechMed Centre, University of Twente, Enschede, the Netherlands
- Department of Vascular Surgery, Rijnstate Hospital, Arnhem, the Netherlands
| | - Jaimy A Simmering
- Multi-Modality Medical Imaging Group, TechMed Centre, University of Twente, Enschede, the Netherlands -
- Department of Vascular Surgery, Medisch Spectrum Twente, Enschede, the Netherlands
| | - Maaike A Koenrades
- Multi-Modality Medical Imaging Group, TechMed Centre, University of Twente, Enschede, the Netherlands
- Department of Medical Technology, Medical 3D lab, Medisch Spectrum Twente, Enschede, the Netherlands
| | - Cornelis H Slump
- Robotics and Mechatronics Group, TechMed Centre, University of Twente, Enschede, the Netherlands
| | - Jan M Heyligers
- Department of Vascular Surgery, Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands
| | - Robert H Geelkerken
- Multi-Modality Medical Imaging Group, TechMed Centre, University of Twente, Enschede, the Netherlands
- Department of Vascular Surgery, Medisch Spectrum Twente, Enschede, the Netherlands
| | - Michel M Reijnen
- Multi-Modality Medical Imaging Group, TechMed Centre, University of Twente, Enschede, the Netherlands
- Department of Vascular Surgery, Rijnstate Hospital, Arnhem, the Netherlands
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van der Veen D, Holewijn S, Bellosta R, van Sterkenburg SMM, Heyligers JMM, Ficarelli I, Gómez Palonés FJ, Mangialardi N, Mosquera NJ, Holden A, Reijnen MMPJ. One Year Outcomes of an International Multicentre Prospective Cohort Study on the Gore Excluder Iliac Branch Endoprosthesis for Aorto-Iliac Aneurysms. Eur J Vasc Endovasc Surg 2021; 62:177-185. [PMID: 34144884 DOI: 10.1016/j.ejvs.2021.04.006] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Revised: 03/19/2021] [Accepted: 04/03/2021] [Indexed: 11/16/2022]
Abstract
OBJECTIVE The Gore Excluder Iliac Branch Endoprosthesis (IBE) was developed to preserve perfusion in the hypogastric artery after endovascular repair of aorto-iliac aneurysms. This study reports the 12 month technical and clinical outcomes of treatment with this device. METHODS This study was a physician initiated international multicentre, prospective cohort study. The primary endpoint was primary patency of the hypogastric branch at 12 months. Secondary endpoints included technical and clinical outcomes. Patients with an indication for elective treatment with the Gore Excluder IBE were enrolled between March 2015 and August 2018. Baseline and procedural characteristics, imaging data, physical examinations and questionnaire data (Walking Impairment Questionnaire [WIQ], EuroQol-5-Dimensions [EQ5D], International Index of Erectile Function 5 [IIEF-5]) were collected through 12 month follow up. RESULTS One hundred patients were enrolled of which 97% were male, with a median age of 70.0 years (interquartile range [IQR] 64.5 - 75.5 years). An abdominal aortic aneurysm (AAA) above threshold for treatment was found in 42.7% and in the remaining patients the iliac artery diameter was the indication for treatment. The maximum common iliac artery (CIA) diameter on the Gore Excluder IBE treated side was 35.5 mm (IQR 30.8 - 42.0) mm. Twenty-two patients received a bilateral and seven patients had an isolated IBE. Median procedural time was 151 minutes (IQR 117 - 193 minutes) with a median hospital stay of four days (IQR 3 - 5 days). Primary patency of the IBE at 12 month follow up was 91.3%. Primary patency for patients treated inside and outside the instructions for use were 91.8% and 85.7%, respectively (p = .059). Freedom from secondary interventions was 98% and 97% at 30 days and 12 months, respectively. CIA and AAA diameters decreased significantly through 12 months. IIEF-5 and EQ5D scores remained stable through follow up. Patency of the contralateral internal iliac artery led to better IIEF-5 outcomes. WIQ scores decreased at 30 days and returned to baseline values through 12 months. CONCLUSION Use of the Gore Excluder IBE for the treatment of aorto-iliac aneurysms shows a satisfactory primary patency through 12 months, with significant decrease of diameters, a low re-intervention rate, and favourable clinical outcomes.
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Affiliation(s)
| | | | | | | | - Jan M M Heyligers
- Vascular Surgery, Elisabeth Tweesteden Ziekenhuis, Tilburg, the Netherlands
| | | | | | | | - Nilo J Mosquera
- Department of Angiology and Vascular Surgery, Complexo Hospitelario Universitario de Ourense, Spain
| | - Andrew Holden
- Department of Interventional Radiology, Auckland City Hospital, Auckland, New Zealand
| | - Michel M P J Reijnen
- Department of Surgery, Rijnstate, Arnhem, the Netherlands; Multi-Modality Medical Imaging Group, TechMed Centre, University of Twente, Enschede, the Netherlands.
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DeRoo E, Harris D, Olson S, Panthofer A, Meadows W, Pauli T, Peterson B, Schneider D, Matsumura J. Conformability of the GORE EXCLUDER iliac branch endoprosthesis is associated with freedom from adverse iliac events. J Vasc Surg 2021; 74:1558-1564.e1. [PMID: 34082005 DOI: 10.1016/j.jvs.2021.05.026] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2021] [Accepted: 05/01/2021] [Indexed: 11/30/2022]
Abstract
OBJECTIVE The GORE EXCLUDER iliac branch endoprosthesis (IBE; W.L. Gore & Associates, Flagstaff, Ariz) is designed to preserve internal iliac artery (IIA) patency during endovascular treatment of aneurysms involving the common iliac artery. The device is intended to conform to iliac tortuosity, which may decrease adverse iliac events (AIE). The objective of this study was to evaluate risk factors for AIE after IBE implantation. METHODS This was a post hoc analysis of the prospective, multicenter GORE 12-04 IBE pivotal trial. Patients with preoperative and postoperative axial imaging were included, with analysis based on each treated iliac system. An independent core laboratory performed all scan measurements, including iliac diameters, lengths, and tortuosity. Conformability was analyzed by the changes in tortuosity after IBE deployment, with less change indicating greater conformation. The end point was AIE, defined as ipsilateral radiographic or clinical complications. Critical nonconformation was defined as a threshold change in tortuosity associated with a significant increase in AIE. RESULTS We included 98 patients with 101 treated iliac systems. There were eight AIE (8%; six IIA component occlusions, one iliac branch component occlusion, and one EIA dissection requiring reintervention). Patients with AIE had smaller IIA diameters and less IBE conformability. After multivariable logistic regression analysis, an IIA diameter of less than 10 mm and a change in total iliac tortuosity beyond -15% were independently associated with AIE (odds ratio, 12 [interquartile range, 1.4-110] and odds ratio, 8.2 [interquartile range, 1.5-46], respectively), and the latter was used to define critical nonconformation. Critical nonconformation occurred in 11% of treated systems, and was associated with a high rate of AIE (36% vs 4%; P = .004). CONCLUSIONS Endograft conformation is a novel device property and technical outcome that, along with a larger IIA diameter, is associated with freedom from AIE after IBE deployment. An evaluation of these risk factors may better inform the management of patients with iliac aneurysmal disease. Further research on endograft conformation and patient outcomes is warranted, particularly for those with challenging anatomy undergoing complex procedures.
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Affiliation(s)
- Elise DeRoo
- Division of Vascular Surgery, Department of Surgery, University of Wisconsin School of Medicine and Public Health, Madison, Wisc.
| | - Donald Harris
- Division of Vascular Surgery, Department of Surgery, University of Washington, Valley Medical Center, Seattle, Wash
| | - Sydney Olson
- Division of Vascular Surgery, Department of Surgery, University of Wisconsin School of Medicine and Public Health, Madison, Wisc
| | - Annalise Panthofer
- Division of Vascular Surgery, Department of Surgery, University of Wisconsin School of Medicine and Public Health, Madison, Wisc
| | - Wendy Meadows
- Division of Vascular Surgery, Department of Surgery, University of Wisconsin School of Medicine and Public Health, Madison, Wisc
| | - Thomas Pauli
- Division of Vascular Surgery, Department of Surgery, University of Wisconsin School of Medicine and Public Health, Madison, Wisc
| | - Brian Peterson
- St. Luke's Heart and Vascular Institute, St. Luke's Hospital, St. Louis, Mo
| | - Darren Schneider
- Division of Vascular and Endovascular Surgery, Department of Surgery, University of Pennsylvania, Philadelphia, Pa
| | - Jon Matsumura
- Division of Vascular Surgery, Department of Surgery, University of Wisconsin School of Medicine and Public Health, Madison, Wisc
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Abstract
INTRODUCTION The past 25 years have been witness to a revolution in how vascular care is delivered. The majority of arterial and venous interventions have converted from open surgery to minimally invasive percutaneous endovascular procedures. METHODS This surgical innovations symposium article reviews current endovascular therapy in multiple vascular beds with a primary focus on carotid artery occlusive disease, aortic pathologies, and lower extremity arterial occlusive disease. Mesenteric arterial occlusive disease and lower extremity venous endovascular therapies are also briefly discussed. Indications for intervention, treatment examples and outcomes analysis are presented. While not reviewed in this article, endovascular therapy has also become first line in the treatment of coronary artery disease, chronic mesenteric arterial occlusive disease, superficial venous reflux, central vein occlusion, and acute venous thrombus intervention when indicated. CONCLUSION Endovascular therapies are used in all vascular beds to treat the full spectrum of vascular pathologies. Aneurysm disease, atherosclerotic arterial occlusive disease, acute arterial and venous thrombosis, ongoing hemorrhage, and venous reflux are among the issues which can be addressed by endovascular means. The minimally invasive nature of endovascular treatments in what is largely a very co-morbid patient cohort is an attractive method of avoiding major procedural related morbidity and mortality.
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Affiliation(s)
- Matthew Blecha
- Division of Vascular Surgery and Endovascular Therapy, Department of Surgery, Loyola University Medical Center, 2160 S. First Ave, EMS Building 110, Room 3213, Maywood, IL, 60153, USA.
| | - Vivian Gahtan
- Division of Vascular Surgery and Endovascular Therapy, Department of Surgery, Loyola University Medical Center, 2160 S. First Ave, EMS Building 110, Room 3213, Maywood, IL, 60153, USA
- Edward Hines Jr VA Hospital, Hines, IL, USA
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Spanos K, Kölbel T, Scheerbaum M, Donas KP, Austermann M, Rohlffs F, Verzini F, Tsilimparis N. Iliac Branch Devices With Standard vs Fenestrated/Branched Stent-Grafts: Does Aneurysm Complexity Produce Worse Outcomes? Insights From the pELVIS Registry. J Endovasc Ther 2020; 27:910-916. [PMID: 32748727 DOI: 10.1177/1526602820944611] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Purpose: To compare the outcomes of iliac branch devices (IBD) used in combination with standard endovascular aneurysm repair (EVAR) vs with fenestrated/branched EVAR (f/bEVAR) to treat complex aortoiliac aneurysms. Materials and Methods: The pELVIS Registry database containing the outcomes of IBD use at 8 European centers was interrogated to identify all IBD procedures that were combined with either standard EVAR or f/bEVAR. Among 669 patients extracted from the database, 629 (mean age 72.1±8.8 years; 597 men) had received an IBD combined with standard EVAR vs 40 (mean age 71.1±8.0 years; 40 men) who underwent f/bEVAR with an IBD. The mean aortic aneurysm diameters were 46.4±13.3 mm in the f/bEVAR patients vs 45.0±15.5 mm in the standard EVAR cases. The groups were similar in terms of baseline clinical characteristics and aneurysm morphology. The Kaplan-Meier method was used to compare patient survival, IBD occlusion, type III endoleak, and aneurysm-related reinterventions in follow-up. The estimates are presented with the 95% confidence interval (CI). Results: Technical success was 100% in the f/bEVAR+IBD group and 99% in the EVAR+IBD group (p=0.85). The 30-day mortality was 0% vs 0.5%, respectively (p=0.66), while the 30-day reintervention rates were 7.5% vs 4.1% (p=0.31). The mean follow-up was 32.1±21.3 months for f/bEVAR+IBD patients (n=30) and 35.5±26.8 months for EVAR+IBD patients (n=571; p=0.41). The 12-month survival estimates were 93.4% (95% CI 93.2% to 93.6%) in the EVAR+IBD group vs 93.6% (95% CI 93.3% to 93.9%) for the f/bEVAR+IBD group (p=0.93). There were no occlusions or type III endoleaks in the f/bEVAR+IBD group at 12 months, while the estimates for freedom from occlusion and from type III endoleak in the EVAR+IBD group were 97% (95% CI 96.8% to 97.2%) and 98.5% (95% CI 98.4% to 98.6%), respectively. The 12-month estimates for freedom for aneurysm-related reintervention were 93% (95% CI 92.7% to 93.3%) in the EVAR+IBD group vs 86.4% (95% CI 85.9% to 86.9%) in the f/bEVAR+IBD patients (p=0.046). Conclusion: Treatment of complex aortoiliac disease with f/bEVAR+IBD can achieve equally good early and 1-year outcomes compared to treatment with IBDs and standard bifurcated stent-grafts, except for a somewhat higher reintervention rate in f/bEVAR patients.
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Affiliation(s)
- Konstantinos Spanos
- German Aortic Center Hamburg, Department of Vascular Medicine, University Heart & Vascular Center, University Hospital Hamburg-Eppendorf, Hamburg, Germany
| | - Tilo Kölbel
- German Aortic Center Hamburg, Department of Vascular Medicine, University Heart & Vascular Center, University Hospital Hamburg-Eppendorf, Hamburg, Germany
| | - Martin Scheerbaum
- German Aortic Center Hamburg, Department of Vascular Medicine, University Heart & Vascular Center, University Hospital Hamburg-Eppendorf, Hamburg, Germany
| | - Konstantinos P Donas
- Department of Vascular and Endovascular Surgery, St. Franziskus Hospital / University of Münster, Germany
| | - Martin Austermann
- Department of Vascular and Endovascular Surgery, St. Franziskus Hospital / University of Münster, Germany
| | - Fiona Rohlffs
- German Aortic Center Hamburg, Department of Vascular Medicine, University Heart & Vascular Center, University Hospital Hamburg-Eppendorf, Hamburg, Germany
| | - Fabio Verzini
- Department of Vascular Surgery, University of Perugia, Turin, Italy
| | - Nikolaos Tsilimparis
- Department of Vascular Surgery, Ludwig-Maximilians-University Hospital, Munich, Germany
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de Niet A, Donselaar EJ, Holewijn S, Tielliu IFJ, Lardenoije JWHP, Zeebregts CJ, Reijnen MMPJ. Endograft Conformability in Fenestrated Endovascular Aneurysm Repair for Complex Abdominal Aortic Aneurysms. J Endovasc Ther 2020; 27:848-856. [PMID: 32567964 PMCID: PMC7536524 DOI: 10.1177/1526602820936185] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Purpose: To compare the impact of 2 commercially available custom-made fenestrated endografts on patient anatomy. Materials and Methods: The records of 234 patients who underwent fenestrated endovascular aneurysm repair for abdominal aortic aneurysm from March 2002 to July 2016 in 2 hospitals were screened to identify those who had pre- and postoperative computed tomography angiography assessments with a slice thickness of ≤2 mm. The search identified 145 patients for further analysis: 110 patients (mean age 72.4±7.1 years; 94 men) who had been treated with the Zenith Fenestrated (ZF) endograft and 35 patients (mean age 72.3±7.3 years; 30 men) treated with the Fenestrated Anaconda (FA) endograft. Measurements included aortic diameters at the level of the superior mesenteric artery (SMA) and renal arteries, target vessel angles, target vessel clock positions, and the target vessel tortuosity index. Variables were tested for inter- and intraobserver agreement. Results: There was a good agreement between observers in all tested variables. The native anatomy changed in both groups after endograft implantation. In the ZF group, changes were seen in the angles of the celiac artery (p=0.012), SMA (p=0.022), left renal artery (LRA) (p<0.001), and the right renal artery (RRA) (p<0.001); the aortic diameter at the SMA level (p<0.001); and the LRA (p<0.001) and RRA (p<0.001) clock positions. In the FA group, changes were seen in the angles of the LRA (p=0.001) and RRA (p<0.001) and in the SMA tortuosity index (p=0.044). Between group differences in changes were seen for the aortic diameters at the SMA and renal artery levels (p<0.001 for both) and the LRA clock position (p=0.019). Conclusion: Both custom-made fenestrated endografts altered vascular anatomy. The data suggest a higher conformability of the Fenestrated Anaconda endograft compared with the Zenith Fenestrated.
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Affiliation(s)
- Arne de Niet
- Department of Surgery (Division Vascular Surgery), University Medical Center Groningen, University of Groningen, the Netherlands
| | | | - Suzanne Holewijn
- Multi-Modality Medical Imaging Group, Tech Med Centre, University of Twente, Enschede, the Netherlands
| | - Ignace F J Tielliu
- Department of Surgery (Division Vascular Surgery), University Medical Center Groningen, University of Groningen, the Netherlands
| | - Jan Willem H P Lardenoije
- Multi-Modality Medical Imaging Group, Tech Med Centre, University of Twente, Enschede, the Netherlands
| | - Clark J Zeebregts
- Department of Surgery (Division Vascular Surgery), University Medical Center Groningen, University of Groningen, the Netherlands
| | - Michel M P J Reijnen
- Department of Surgery, Rijnstate, Arnhem, the Netherlands.,Multi-Modality Medical Imaging Group, Tech Med Centre, University of Twente, Enschede, the Netherlands
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A propensity score-matched comparison of two commercially available iliac branch devices in patients with similar clinical and anatomic preoperative features. J Vasc Surg 2020; 71:1207-1214. [DOI: 10.1016/j.jvs.2019.07.058] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2019] [Accepted: 07/12/2019] [Indexed: 11/24/2022]
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13
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Use of Iliac Branch Endoprosthesis for Aortic Bifurcation Reconstruction. Ann Vasc Surg 2019; 61:470.e5-470.e8. [DOI: 10.1016/j.avsg.2019.05.040] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2019] [Revised: 05/15/2019] [Accepted: 05/15/2019] [Indexed: 11/22/2022]
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Current Status of Endovascular Preservation of the Internal Iliac Artery with Iliac Branch Devices (IBD). Cardiovasc Intervent Radiol 2019; 42:935-948. [DOI: 10.1007/s00270-019-02199-5] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Accepted: 03/06/2019] [Indexed: 02/06/2023]
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15
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D’Oria M, Pipitone M, Riccitelli F, Mastrorilli D, Calvagna C, Zamolo F, Griselli F. Successful Off-Label Use of an Iliac Branch Device to Rescue an Occluded Aortofemoral Bypass Graft. J Endovasc Ther 2018; 26:128-132. [DOI: 10.1177/1526602818815699] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Purpose: To report an alternative approach for rescue of an occluded aortofemoral bypass using the Gore Excluder Iliac Branch Endoprosthesis (IBE). Case Report: A 52-year-old man presented with acute right limb ischemia because of displaced and occluded iliac stents and was treated with aortofemoral bypass. On the third postoperative day, there was early bypass failure due to distal embolization from aortic thrombus. After fluoroscopy-guided balloon thrombectomy of the bypass, an endovascular bailout strategy was used. The Gore Excluder IBE was deployed below the renal arteries (with the external iliac limb opening in the surgical prosthesis and the gate opening within the aortic lumen). After antegrade catheterization of the gate, a Gore Viabahn endoprosthesis was inserted as the bridging endograft and deployed so that it landed just above the preimplanted aortoiliac kissing stents without overlapping them. Completion angiography showed technical success without complications; results were sustained at 1-year follow-up. Conclusion: The Gore Excluder IBE may represent a versatile solution for the rescue of complex cases when open surgery would be associated with a considerable risk. This off-label application of a well-recognized endovascular device is safe and feasible and may prove useful as a valuable alternative in properly selected patients.
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Affiliation(s)
- Mario D’Oria
- Vascular and Endovascular Surgery, Cardiovascular Department, University Hospital of Cattinara ASUITs, Trieste, Italy
| | - Marco Pipitone
- Vascular and Endovascular Surgery, Cardiovascular Department, University Hospital of Cattinara ASUITs, Trieste, Italy
| | - Francesco Riccitelli
- Vascular and Endovascular Surgery, Cardiovascular Department, University Hospital of Cattinara ASUITs, Trieste, Italy
| | - Davide Mastrorilli
- Vascular and Endovascular Surgery, Cardiovascular Department, University Hospital of Cattinara ASUITs, Trieste, Italy
| | - Cristiano Calvagna
- Vascular and Endovascular Surgery, Cardiovascular Department, University Hospital of Cattinara ASUITs, Trieste, Italy
| | - Francesca Zamolo
- Vascular and Endovascular Surgery, Cardiovascular Department, University Hospital of Cattinara ASUITs, Trieste, Italy
| | - Filippo Griselli
- Vascular and Endovascular Surgery, Cardiovascular Department, University Hospital of Cattinara ASUITs, Trieste, Italy
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Femoral Access for Iliac Branched Endoprosthesis Deployment in Patients with a Prior Bifurcated Aortic Stent Graft. Ann Vasc Surg 2018; 53:262-265. [DOI: 10.1016/j.avsg.2018.04.022] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2017] [Revised: 03/26/2018] [Accepted: 04/27/2018] [Indexed: 11/21/2022]
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Donas KP, Inchingolo M, Cao P, Pratesi C, Pratesi G, Torsello G, Pitoulias GA, Ferrer C, Parlani G, Verzini F, Austermann M, Weiss K, Bosiers M, Barbante M, Simonte G, Fargion A, Masciello F. Secondary Procedures Following Iliac Branch Device Treatment of Aneurysms Involving the Iliac Bifurcation: The pELVIS Registry. J Endovasc Ther 2017; 24:405-410. [DOI: 10.1177/1526602817705134] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Purpose: To evaluate the incidence and reasons for secondary procedures in patients treated with iliac branch devices (IBDs) for isolated iliac aneurysm or aortoiliac aneurysms involving the iliac bifurcation. Methods: Between January 2005 and December 2015, 575 surgical-high-risk patients (mean age 72.0±8.4 years; 558 men) with isolated iliac aneurysms (n=79) or aortoiliac aneurysms involving the iliac bifurcation (n=496) were treated with placement of 650 ZBIS or Gore IBDs (75 bilateral) in 6 European centers. The primary outcome was procedure-related reinterventions for occlusion or high-grade (>70%) stenosis of the bridging device, occlusion of the ipsilateral common or external iliac artery (EIA), type I/III endoleak, rupture, or infection following IBD implantation. Clinical and radiological data were analyzed based on preset definitions of comorbidities, aneurysm morphology, intraoperative variables, and follow-up strategies. Results: Nine (1.6%) reinterventions were performed within 30 days for occlusion or endoleak. Among 10 (1.5%) occluded EIAs ipsilateral to a deployed IBD, 6 underwent a reintervention with additional stent placement after thrombolysis (n=4) or a femorofemoral or iliofemoral crossover bypass (n=2). Three of 14 patients with early type I endoleak had a reintervention for an insufficient proximal sealing zone (stent-grafts in 2 common iliac arteries and 1 bifurcated endograft). Mean clinical and radiological follow-up were 32.6±9.9 and 29.8±21.1 months, respectively. Forty-two (7.3%) patients underwent reinterventions in the follow-up period. The overall postoperative reintervention rate was 8.9%. Both external and common iliac segments occluded in 30 (4.6%) IBDs; 2 patients had a crossover bypass and 14 were treated with endovascular techniques. In the other 14 patients, no specific treatment was performed. Seven (1.2%) patients with isolated EIA occlusion were treated during follow-up. Nineteen of the overall 28 patients with type I endoleak underwent endovascular repair. The other 9 were under radiological surveillance due to less significant (<5 mm) sac increase. No reintervention was performed to recanalize 11 (1.6%) occluded internal iliac arteries. Conclusion: Midterm experience with placement of IBDs is associated with a low incidence of secondary procedures due to type I endoleaks and occlusions. The main reasons for reinterventions seem to be short proximal sealing zone and poor conformability of the ZBIS device in elongated EIAs.
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Affiliation(s)
- Konstantinos P. Donas
- Department of Vascular Surgery, St. Franziskus Hospital Münster, Germany
- Clinic of Vascular and Endovascular Surgery, University of Münster, Germany
| | - Mirjam Inchingolo
- Department of Vascular Surgery, St. Franziskus Hospital Münster, Germany
- Clinic of Vascular and Endovascular Surgery, University of Münster, Germany
| | - Piergiorgio Cao
- Department of Vascular Surgery, San Camillo Forlanini, Rome, Italy
| | - Carlo Pratesi
- Department of Vascular Surgery, University of Florence, Italy
| | - Giovanni Pratesi
- Department of Vascular Surgery, University of Rome “Tor Vergata,” Rome, Italy
| | - Giovanni Torsello
- Department of Vascular Surgery, St. Franziskus Hospital Münster, Germany
- Clinic of Vascular and Endovascular Surgery, University of Münster, Germany
| | - Georgios A. Pitoulias
- Division of Vascular Surgery, “G. Gennimatas” Thessaloniki General Hospital, Aristotle University of Thessaloniki, Greece
| | - Ciro Ferrer
- Department of Vascular Surgery, San Camillo Forlanini, Rome, Italy
| | | | - Fabio Verzini
- Department of Vascular Surgery, University of Perugia, Italy
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