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1. Early results with the custom-made Fenestrated Anaconda aortic cuff in the treatment of complex abdominal aortic aneurysm

Author

Spyridon N. Mylonas, Piotr M. Kasprzak, G.F. Fadda, Karin Pfister, G. Rouhani, R. Meerwaldt, Drosos Kotelis, R. Martinez, M. Delbridge, Robert H. Geelkerken, C.J. Zeebregts, Arne de Niet, Jan-Willem H. P. Lardenoije, M.M.P.J. Reijnen, Hence J.M. Verhagen, R. Williams, Clark J. Zeebregts, A. Papaioannou, J. Falkensammer, Bartosz Rylski, Jan Brunkwall, A. Giménez-Gaibar, Michel M.P.J. Reijnen, I. F. J. Tielliu, A. de Niet, Multi-Modality Medical Imaging, Man, Biomaterials and Microbes (MBM), and Surgery

Subjects
Male, Time Factors, Computed Tomography Angiography, DURABILITY, 030204 cardiovascular system & hematology, Kidney, 0302 clinical medicine, Interquartile range, Risk Factors, EVAR, 030212 general & internal medicine, Superior mesenteric artery, ENDOGRAFT, COMPLICATIONS, OUTCOMES, biology, Endovascular Procedures, Abdominal aortic aneurysm, Progression-Free Survival, Europe, Treatment Outcome, Cuff, cardiovascular system, Female, Stents, Cardiology and Cardiovascular Medicine, Glomerular Filtration Rate, medicine.medical_specialty, MIGRATION, Perforation (oil well), Prosthesis Design, Aortography, Anaconda, 03 medical and health sciences, Blood Vessel Prosthesis Implantation, Aneurysm, medicine.artery, medicine, Humans, Renal artery, Vascular Patency, Aged, Retrospective Studies, Fenestrated Anaconda aortic cuff, business.industry, ENDOVASCULAR REPAIR, biology.organism_classification, medicine.disease, n/a OA procedure, ENDOLEAK, Surgery, Blood Vessel Prosthesis, Feasibility Studies, EXPERIENCE, STENT-GRAFTS, business, Aortic Aneurysm, Abdominal
Abstract

Objective: The objective of this study was to investigate the feasibility of a specific custom-made fenestrated aortic cuff in the treatment of complex abdominal aortic aneurysms (AAAs).Methods: Between 2013 and 2016, a total of 57 custom-made Fenestrated Anaconda (Vascutek, Inchinnan, Scotland, UK) aortic cuffs were placed in 38 centers worldwide. All centers were invited to participate in this retrospective analysis. Postoperative and follow-up data included the presence of adverse events, necessity for reintervention, and renal function.Results: Fifteen clinics participated, leading to 29 cases. Median age at operation was 74 years (interquartile range [IQR], 71-78 years); five patients were female. Two patients were treated for a para-anastomotic AAA after open AAA repair, 19 patients were treated because of a complicated course after primary endovascular AAA repair, and 8 cases were primary procedures for AAA. A total of 76 fenestrations (mean, 2.6 per case) were used. Four patients needed seven adjunctive procedures. Two patients underwent conversion, one because of a dissection of the superior mesenteric artery and one because of perforation of a renal artery. Median operation time was 225 minutes (IQR, 150-260 minutes); median blood loss, 200 mL (IQR, 100-500 mL); and median contrast volume, 150 mL (IQR, 92-260 mL). Primary technical success was achieved in 86% and secondary technical success in 93%. The 30-day morbidity was 7 of 29 with amortality rate of 4 of 29. Estimated glomerular filtration rate remained unchanged before and after surgery (76 to 77 mL/min/m(2)). Between preoperative and median follow-up of 11 months, estimated glomerular filtration rate was reduced statistically significantly (76 to 63 mL/min/m(2)). During follow-up, 9 cases had an increase in aneurysm sac diameter (5 cases > 5 mm); 14 cases had a stable or decreased aneurysm sac diameter; and in 2 cases, no aneurysm size was reported. No type I endoleak was reported, and two cases with a type III endoleak were treated by endovascular means during follow-up. Survival, reintervention-free survival, and target vessel patency at 1 year were 81% +/- 8%, 75% +/- 9%, and 99% +/- 1%, respectively. After 2 years, these numbers were 81% +/- 8%, 67% +/- 11%, and 88% +/- 6%, respectively. During follow-up, the two patients with a type III endoleak needed endograft-related reinterventions.Conclusions: Treatment with this specific custom-made fenestrated aortic cuff is feasible after complicated previous (endovascular) aortic repair or in complex AAAs. The complexity of certain AAA cases is underlined in this study, and the Fenestrated Anaconda aortic cuff is a valid option in selected cases in which few treatment options are left.

Published
2019

2. Choices of stent and cerebral protection in the ongoing ACST-2 trial: a descriptive study

Author

D.D. de Waard, A. Halliday, G.J. de Borst, R. Bulbulia, A. Huibers, R. Casana, L.H. Bonati, V. Tolva, G. Fraedrich, B. Rantner, E. Gizewski, I. Gruber, J. Hendriks, P. Cras, P. Lauwers, P. van Scheil, F. Vermassen, I. Van Herzeele, M. Geenens, D. Hemelsoet, P. Lerut, B. Lambrecht, G. Saad, A. Peeters, M. Bosiers, E. da Silva, N. de Luccia, J.C. Sitrangulo, A.E.V. Estenssoro, C. Presti, I. Casella, J.A.T. Monteiro, W. Campos, P. Puech-Leao, V. Petrov, C. Bachvarov, M. Hill, A. Mitha, J. Wong, C.-W. Liu, L. Bao, C. Yu, I. Cvjetko, V. Vidjak, J. Fiedler, S. Ostry, L. Sterba, P. Kostal, R. Staffa, R. Vlachovsky, M. Privara, Z. Kriz, B. Vojtisek, P. Krupa, M. Reif, V. Benes, P. Buchvald, L. Endrych, V. Prochazka, M. Kuliha, D. Otahal, T. Hrbac, D. Netuka, M. Mohapl, F. Kramier, M. Eldessoki, H. Heshmat, F. Abd-Allah, V. Palmiste, S. Margus, T. Toomsoo, J.-P. Becquemin, P. Bergeron, T. Abdulamit, J.-M. Cardon, S. Debus, G. Thomalla, J. Fiehler, C. Gerloss, U. Grzyska, M. Storck, E. LaMacchia, H.H. Eckstein, H. Söllner, H. Berger, M. Kallmayer, H. Popert, A. Zimmermann, A. Guenther, C. Klingner, T. Mayer, J. Schubert, J. Zanow, D. Scheinert, U. Banning-Eichenseer, Y. Bausback, D. Branzan, S. Braünilch, J. Lenzer, A. Schidt, H. Staab, M. Ulirch, J. Barlinn, K. Haase, A. Abramyuk, U. Bodechtel, J. Gerber, C. Reeps, T. Pfeiffer, G. Torello, A. Cöster, A. Giannoukas, K. Spanos, M. Matsagkas, S. Koutias, S. Vasdekis, J. Kakisis, K. Moulakakis, A. Lazaris, C. Liapas, E. Brountzos, M. Lazarides, N. Ioannou, A. Polydorou, B. Fulop, E. Fako, E. Voros, M. Bodosi, T. Nemeth, P. Barzo, S. Pazdernyik, L. Entz, Z. Szeberin, E. Dosa, B. Nemes, Z. Jaranyi, S. Pazdernyia, P. Madhaban, A. Hoffman, E. Nikolsky, R. Beyar, R. Silingardi, A. Lauricella, G. Coppi, E. Nicoloci, N. Tusini, F. Strozzi, E. Vecchiati, M. Ferri, E. Ferrero, D. Psacharopulo, A. Gaggiano, A. Viazzo, L. Farchioni, G. Parlani, V. Caso, P. De Rangoy, F. Verzini, P. Castelli, M.L. DeLodovici, G. Carrafiello, A.M. Ierardi, G. Piffaretti, G. Nano, M.T. Occhiuto, G. Malacrida, D. Tealdi, S. Steghter, A. Stella, R. Pini, G. Faggioli, S. Sacca, M.D. Negri, M. Palombo, M.C. Perfumo, G.F. Fadda, H. Kasemi, C. Cernetti, D. Tonello, A. Visonà, N. Mangialardi, S. Ronchey, M.C. Altavista, S. Michelagnoli, E. Chisci, F. Speziale, L. Capoccia, P. Veroux, A. Giaquinta, F. Patti, R. Pulli, P. Boggia, D. Angiletta, G. Amatucci, F. Spinetti, F. Mascoli, E. Tsolaki, E. Civilini, B. Reimers, C. Setacci, G. Pogany, A. Odero, F. Accrocca, G. Bajardi, I. Takashi, E. Masayuki, E. Hidenori, B. Aidashova, N. Kospanov, S. Bakke, M. Skjelland, A. Czlonkowska, A. Kobayashi, R. Proczka, A. Dowzenko, W. Czepel, J. Polanski, P. Bialek, G. Ozkinis, M. Snoch-Ziólkiewicz, M. Gabriel, M. Stanisic, W. Iwanowski, P. Andziak, F.B. Gonçalves, V. Starodubtsev, P. Ignatenko, A. Karpenko, D. Radak, N. Aleksic, D. Sagic, L. Davidovic, I. Koncar, I. Tomic, M. Colic, D. Bartkoy, F. Rusnak, M. Gaspirini, P. Praczek, Z. Milosevic, V. Flis, A. Bergauer, N. Kobilica, K. Miksic, J. Matela, E. Blanco, M. Guerra, V. Riambau, P. Gillgren, C. Skioldebrand, N. Nymen, B. Berg, M. Delle, J. Formgren, T.B. Kally, P. Qvarfordt, G. Plate, H. Pärson, H. Lindgren, K. Bjorses, A. Gottsäter, M. Warvsten, T. Kristmundsson, C. Forssell, M. Malina, J. Holst, T. Kuhme, B. Sonesson, B. Lindblad, T. Kolbel, S. Acosta, L. Bonati, C. Traenka, M. Mueller, T. Lattman, M. Wasner, E. Mujagic, A. Von Hessling, A. Isaak, P. Stierli, T. Eugster, L. Mariani, C. Stippich, T. Wolff, T. Kahles, R. Toorop, F. Moll, R. Lo, A. Meershoek, A.K. Jahrome, A.W.F. Vos, W. Schuiling, R. Keunen, M. Reijnen, S. Macsweeney, N. McConachie, A. Southam, G. Stansby, T. Lees, D. Lambert, M. Clarke, M. Wyatt, S. Kappadath, L. Wales, R. Jackson, A. Raudonaitis, S. MacDonald, P. Dunlop, A. Brown, S. Vetrivel, M. Bajoriene, R. Gopi, C. McCollum, L. Wolowczyk, J. Ghosh, D. Seriki, R. Ashleigh, J. Butterfield, M. Welch, J.V. Smyth, D. Briley, U. Schulz, J. Perkins, L. Hands, W. Kuker, C. Darby, A. Handa, L. Sekaran, K. Poskitt, J. Morrison, P. Guyler, I. Grunwald, J. Brown, M. Jakeways, S. Tysoe, D. Hargroves, G. Gunathilagan, R. Insall, J. Senaratne, J. Beard, T. Cleveland, S. Nawaz, R. Lonsdale, D. Turner, P. Gaines, R. Nair, I. Chetter, G. Robinson, B. Akomolafe, J. Hatfield, K. Saastamoinen, J. Crinnion, A.A. Egun, J. Thomas, S. Drinkwater, S. D'Souza, G. Thomson, B. Gregory, S. Babu, S. Ashley, T. Joseph, R. Gibbs, G. Tebit, A. Mehrzad, P. Enevoldson, D. Mendalow, A. Parry, G. Tervitt, A. Clifton, M. Nazzel, R. Peto, H. Pan, J. Potter, R. Bullbulia, B. Mihaylova, M. Flather, A. Mansfield, D. Simpson, D. Thomas, W. Gray, B. Farrell, C. Davies, K. Rahimi, M. Gough, P. Cao, P. Rothwell, A. Belli, M. Mafham, W. Herrington, P. Sandercock, R. Gray, C. Shearman, A. Molyneux, A. Gray, A. Clarke, M. Sneade, L. Tully, W. Brudlo, M. Lay, A. Munday, C. Berry, S. Tochlin, J. Cox, R. Kurien, and J. Chester

Subjects
Plaque echolucency, Time Factors, medicine.medical_treatment, Practice Patterns, 030204 cardiovascular system & hematology, Severity of Illness Index, law.invention, 0302 clinical medicine, Randomized controlled trial, law, Risk Factors, Occlusion, Carotid artery stenosis, Carotid Stenosis, Practice Patterns, Physicians', Stroke, Endarterectomy, Plaque, Atherosclerotic, Endarterectomy, Carotid, Endovascular Procedures, Plaque, Atherosclerotic, Treatment Outcome, Cerebrovascular Circulation, Stents, Radiology, medicine.symptom, Cardiology and Cardiovascular Medicine, Carotid artery stenting, medicine.medical_specialty, Clinical Decision-Making, education, Cerebral protection devices, Stent design, Surgery, Prosthesis Design, Asymptomatic, Embolic Protection Devices, 03 medical and health sciences, Severity of illness, medicine, Humans, Carotid, Chi-Square Distribution, Physicians', business.industry, Patient Selection, Stent, METANÁLISE, medicine.disease, Asymptomatic Diseases, Cerebrovascular Disorders, Stenosis, business, 030217 neurology & neurosurgery
Abstract

Objectives Several plaque and lesion characteristics have been associated with an increased risk for procedural stroke during or shortly after carotid artery stenting (CAS). While technical advancements in stent design and cerebral protection devices (CPD) may help reduce the procedural stroke risk, and anatomy remains important, tailoring stenting procedures according to plaque and lesion characteristics might be a useful strategy in reducing stroke associated with CAS. In this descriptive report of the ongoing Asymptomatic Carotid Surgery Trial-2 (ACST-2), it was assessed whether choice for stent and use or type of CPD was influenced by plaque and lesion characteristics. Materials and methods Trial patients who underwent CAS between 2008 and 2015 were included in this study. Chi-square statistics were used to study the effects of plaque echolucency, ipsilateral preocclusive disease (90–99%), and contralateral high-grade stenosis (>50%) or occlusion of the carotid artery on interventionalists' choice for stent and CPD. Differences in treatment preference between specialties were also analysed. Results In this study, 831 patients from 88 ACST-2 centres were included. Almost all procedures were performed by either interventional radiologists (50%) or vascular surgeons (45%). Plaque echolucency, ipsilateral preocclusive disease (90–99%), and significant contralateral stenosis (>50%) or occlusion did not affect the choice of stent or either the use of cerebral protection and type of CPD employed (i.e., filter/flow reversal). Vascular surgeons used a CPD significantly more often than interventional radiologists (98.6% vs. 76.3%; p < .001), but this choice did not appear to be dependent on patient characteristics. Conclusions In ACST-2, plaque characteristics and severity of stenosis did not primarily determine interventionalists' choice of stent or use or type of CPD, suggesting that other factors, such as vascular anatomy or personal and centre preference, may be more important. Stent and CPD use was highly heterogeneous among participating European centres.

Published
2017

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