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Nana P, Spanos K, Tsilimparis N, Haulon S, Sobocinski J, Gallitto E, Dias N, Eilenberg W, Wanhainen A, Mani K, Böckler D, Bertoglio L, van Rijswijk C, Modarai B, Seternes A, Enzmann FK, Giannoukas A, Gargiulo M, Kölbel T. Role of Antiplatelet Therapy in Patients Managed for Complex Aortic Aneurysms using Fenestrated or Branched Endovascular Repair. Eur J Vasc Endovasc Surg 2024:S1078-5884(24)00822-0. [PMID: 39321954 DOI: 10.1016/j.ejvs.2024.09.030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2024] [Revised: 08/20/2024] [Accepted: 09/17/2024] [Indexed: 09/27/2024]
Abstract
OBJECTIVE Despite the increasing number of fenestrated/branched endovascular aortic repair (f/bEVAR) procedures, evidence on post-operative antiplatelet therapy is lacking. This study aimed to investigate the role of single antiplatelet therapy (SAPT) vs. double antiplatelet therapy (DAPT) after f/bEVAR on 30 day and follow up outcomes. METHODS A multicentre retrospective analysis was conducted, including f/bEVAR patients managed from 1 January 2018 to 31 December 2022. Comparative outcomes were assessed according to post-operative antiplatelet therapy. The cohort was divided into the SAPT group (acetylsalicylic acid [ASA] or clopidogrel) and DAPT group (ASA and clopidogrel). The duration of SAPT or DAPT was one to six months. Primary outcomes were 30 day death, and cardiovascular ischaemic and major haemorrhagic events. Secondary outcomes were survival and target vessel (TV) patency during follow up. RESULTS A total of 1 430 patients were included: 955 under SAPT and 475 under DAPT. The 30 day mortality was similar (SAPT 2.1% vs. DAPT 1.5%; p = .42). Cardiovascular ischaemic events were lower in the DAPT group (SAPT 11.9% vs. DAPT 8.2%; p = .040), with DAPT being an independent protector for acute mesenteric (p = .009) and lower limb ischaemia (p = .020). No difference was found in 30 day major haemorrhagic events (SAPT 7.5% vs. DAPT 6.3%; p = .40). The mean follow up was 21.8 ± 2.9 months. Cox regression showed no cofounders on survival, with similar rates between groups (log rank p = .71). DAPT patients presented higher TV patency (SAPT 93.4%, standard error [SE] 0.7% vs. DAPT 96.6%, SE 0.7%; log rank p = .007) at thirty six months. Cox regression revealed bEVAR as a predictor of worse TV patency (hazard ratio 2.03, 95% confidence interval 1.36 - 3.03; p < .001). DAPT was related to higher patency within bEVAR patients (SAPT 87.2%, SE 2.1% vs. DAPT 94.9%, SE 1.9%; p < .001). CONCLUSIONS DAPT after f/bEVAR was associated with lower risk of cardiovascular ischaemic events and higher TV patency, especially in bEVAR cases. No difference in major haemorrhagic events was observed at 30 days.
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Spanos K, Nana P, Volakakis G, Kouvelos G, Dakis K, Karathanos C, Arnaoutoglou E, Matsagkas M, Giannoukas A. Long-Term Outcomes in Patients Managed with the Endurant TM Endograft under Elective Setting. J Clin Med 2024; 13:5601. [PMID: 39337088 PMCID: PMC11433274 DOI: 10.3390/jcm13185601] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2024] [Revised: 09/12/2024] [Accepted: 09/19/2024] [Indexed: 09/30/2024] Open
Abstract
Background/Objectives: Device selection during endovascular aneurysm repair (EVAR) for abdominal aortic aneurysms (AAAs) remains an important issue for ensuring endograft durability. This study evaluated the early and follow-up outcomes of elective EVAR with the Endurant platform. Methods: A single-center retrospective analysis was conducted including consecutive elective EVAR procedures with the Endurant II/IIs (2008 to 2024) device. Primary outcomes were technical success, mortality and major complications at 30 days. Survival, endoleak I/III and freedom from reintervention were secondary outcomes. Cox proportional hazards models were employed for risk-adjusted follow-up outcomes. Results: In total, 361 patients were included (72.7 ± 7 years; 96% males; mean AAA diameter 62 ± 14 mm); 92% received a bifurcated device, and 89% conformed to the instructions for use. Technical success was 99.7%. Intra-operative adjunctive procedures included 4.4% proximal cuffs and 1.7% endoanchors. The thirty-day mortality rate was 0.6%, and the major complication rate was 4.1%. Survival was 81% (SE 4.8%), 72% (SE 6.4%) and 52% (SE 9.2%) at 4, 6 and 8 years, with aneurysm-related mortality at 1.7%. Freedom from endoleak Ia was 76% (SE 7.3%) at 6 years, freedom from endoleak Ib was 79% (SE 7.4%) at 7 years and freedom from endoleak III was 94% (SE 3.7%) at 5 years. Freedom from reintervention was 71% (SE 6.1%) and 55% (SE 7.9%) at 5 and 7 years, respectively. No device-related co-factor affected long-term outcomes. Conclusions: Endurant II/IIs endograft is a safe and effective EVAR solution with excellent early outcomes and low long-term aneurysm-related mortality. The need for reintervention in the long term affected less than 50% of cases.
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Nana P, Volakakis G, Spanos K, Kouvelos G, Bareka M, Arnaoutoglou E, Giannoukas A, Matsagkas M. Endovascular Repair of Ruptured Abdominal Aortic Aneurysms Using the Endurant™ Endograft. J Clin Med 2024; 13:5282. [PMID: 39274495 PMCID: PMC11396500 DOI: 10.3390/jcm13175282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2024] [Revised: 08/26/2024] [Accepted: 09/03/2024] [Indexed: 09/16/2024] Open
Abstract
Background: Endovascular aortic aneurysm repair (EVAR) represents a valid treatment modality for ruptured abdominal aortic aneurysms (rAAAs). This study aimed to present rAAA outcomes treated by EVAR using the Endurant endograft. Methods: A single-center retrospective analysis of consecutive patients treated with standard EVAR (sEVAR) or parallel graft (PG)-EVAR for infra- or juxta/para-renal rAAA using the Endurant endograft (1 January 2008-31 December 2023) was undertaken. The primary outcomes were technical success, mortality, and reintervention. Follow-up outcomes, including survival and freedom from reintervention, were assessed using Kaplan-Meier estimates. Results: Eighty-eight patients were included (87.5% sEVAR and 12.5% PG-EVAR). The mean aneurysm diameter was 73.3 ± 19.3 mm (71.4 ± 22.2 mm sEVAR and 81.7 ± 33.0 mm PG-EVAR). Among 77 patients receiving sEVAR, 26 (33.8%) received an aorto-uni-iliac device. All PG-EVAR patients were managed with bifurcated devices, one receiving a single PG, seven double PGS, and three triple PGs. Technical success was 98.8% (100.0% sEVAR and 90.9% PG-EVAR). The 30-day mortality was 47.2% (50.7% sEVAR and 27.3% PG-EVAR), with nine (10.2%) deaths recorded on the table. The mean time of follow-up was 13 ± 9 months. After excluding 30-day deaths, the estimated survival was 75.5% (standard error (SE) 6.9%) at 24 months. The estimated freedom from reintervention was 89.7% (SE 5.7%) at 24 months. Only one endoleak type Ia event was recorded during follow-up. Conclusions: Endurant showed high technical success rates and low rates of endoleak type Ia events and reinterventions, despite the emergent setting of repair. rAAA is still a highly fatal condition within 30 days, with an acceptable mid-term survival of 30-day survivors at 75.5%.
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Nana P, Spanos K, Panuccio G, Rohlffs F, Detter C, von Kodolitsch Y, Torrealba JI, Kölbel T. Branched and fenestrated endovascular aortic arch repair in patients with native proximal aortic landing zone. J Vasc Surg 2024; 80:621-629.e3. [PMID: 38580160 DOI: 10.1016/j.jvs.2024.03.444] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Revised: 03/15/2024] [Accepted: 03/28/2024] [Indexed: 04/07/2024]
Abstract
OBJECTIVE Fenestrated and branched thoracic endovascular repair (f/bTEVAR) have been successfully applied in patients with diverse aortic arch pathologies. The aim of this study is to present the early and mid-term outcomes of patients with native proximal aortic landing (NPAL) managed with f/bTEVAR. METHODS A single-center retrospective analysis of patients with NPAL, managed with f/bTEVAR, between September 1, 2011, and June 30, 2022, was conducted. All patients were treated with custom-made devices (Cook Medical) with landing within Ishimaru zones 0 to 2. Primary outcomes were technical success, mortality, stroke, and retrograde type A dissection at 30 days. Follow-up outcomes were considered secondary. RESULTS A total of 126 patients were included (69.8% males; mean age, 70.8 ± 4.2 years; 18.3% urgent). The main indications (60.4%) for repair were aortic arch (29.4%) and thoracoabdominal aortic aneurysms (31.0%). Seventy-two patients (57.1%) were managed with fTEVAR. Proximal landing in zone 0 and 1 was chosen in 97.6%. Technical success was 94.4%, and 30-day mortality was 11.9%. Strokes were diagnosed in 13.5% of patients and major strokes were identified in 7.9% cases. Retrograde type A dissection rate was 3.9%. The multivariate analysis confirmed landing in Ishimaru zone 0 as an independently related factor for stroke (P = .005), whereas stroke (P < .001), pericardial effusion (P < .001), and acute kidney injury (P < .001) were independently related to 30-day mortality. Mean follow-up was 17.5 ± 9.3 months. The estimated survival rate and the freedom from reintervention rate were 72.6% (standard error, 4.4%) and 46.4% (standard error, 6.0%) at 24-month follow-up, respectively. CONCLUSIONS Stroke rate after endovascular arch repair was alarming among patients with NPAL. Proximal landing to zone 0 was related to higher risk of stroke. Reinterventions were common within the 24-month follow-up.
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Loufopoulos G, Manaki V, Tasoudis P, Meintanopoulos AS, Kouvelos G, Ntaios G, Spanos K. New Ischemic Cerebral Lesions in Postprocedural Magnetic Resonance Imaging in Carotid Artery Stenting Versus Carotid Endarterectomy: A Systematic Review and Meta-Analysis. Ann Vasc Surg 2024; 106:297-311. [PMID: 38825067 DOI: 10.1016/j.avsg.2024.05.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2024] [Revised: 05/12/2024] [Accepted: 05/15/2024] [Indexed: 06/04/2024]
Abstract
BACKGROUND Recent randomized controlled trials (RCTs) have demonstrated similar outcomes in terms of ischemic stroke incidence after carotid endarterectomy (CEA) or carotid artery stenting (CAS) in asymptomatic carotid disease, while CEA seems to be the first option for symptomatic carotid disease. The aim of this meta-analysis is to assess the incidence of silent cerebral microembolization detected by magnetic resonance imaging (MRI) following these procedures. METHODS A systematic search was conducted using PubMed, Scopus, and Cochrane databases, including comparative studies involving symptomatic or asymptomatic patients undergoing either CEA or CAS and reporting on new cerebral ischemic lesions in postoperative MRI. The primary outcome was the newly detected cerebral ischemic lesions. Pooled effect estimates for all outcomes were calculated using the random-effects model. Prespecified random effects metaregression and subgroup analysis were conducted to examine the impact of moderator variables on the presence of new cerebral ischemic lesions. RESULTS 25 studies reporting on a total of 1827 CEA and 1500 CAS interventions fulfilled the eligibility criteria. The incidence of new cerebral ischemic lesions was significantly lower after CEA compared to CAS, regardless of the time of MRI assessment (first 24 hours; OR: 0.33, 95% CI: 0.17-0.64, P < 0.001), (the first 72 hours, OR: 0.25, 95% CI 0.18-0.36, P < 0.001), (generally within a week after the operation; OR: 0.24, 95% CI: 0.17-0.34, P < 0.001). Also, the rate of stroke (OR: 0.38, 95% CI: 0.23-0.63, P < 0.001) and the presence of contralateral new cerebral ischemic lesions (OR: 0.16, 95% CI 0.08-0.32, P < 0.001) were less frequent after CEA. Subgroup analysis based on the study design and the use of embolic protection device during CAS showed consistently lower rates of new lesions after CEA. CONCLUSIONS CEA demonstrates significant lower rates of new silent cerebral microembolization, as detected by MRI in postoperative period compared with CAS.
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Nana P, Panuccio G, Torrealba JI, Rohlffs F, Spanos K, Kölbel T. Sex Comparative Analysis of Branched and Fenestrated Endovascular Aortic Arch Repair Outcomes. Eur J Vasc Endovasc Surg 2024; 68:315-323. [PMID: 38677467 DOI: 10.1016/j.ejvs.2024.04.030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Revised: 02/15/2024] [Accepted: 04/21/2024] [Indexed: 04/29/2024]
Abstract
OBJECTIVE Female sex is a risk factor for adverse events after endovascular aortic repair. Sex comparative early and midterm outcomes of fenestrated and branched endovascular aortic arch repair (F/B-Arch) are presented. METHODS A single centre retrospective sex comparative analysis of consecutive patients managed with F/B-Arch was conducted according to STROBE. Primary outcomes were sex comparative technical success, death, and cerebrovascular morbidity at 30 days. Kaplan-Meier estimates were used for follow up outcomes. RESULTS Among 209 patients, 38.3% were women. Coronary artery disease (p < .001) and previous myocardial infarction (p = .01) were more common in women. Non-native proximal aortic landing was higher in women (women: 51.3%; men: 31.8%, p = .005) and the aortic dissection rate was lower (28.8% vs. 48.1%, p = .005). Proximal landing to Ishimaru zones showed no difference (zone 0: p = .18; zone 1: p = .47; zone 2: p = .39). Graft configurations were equally distributed. In total, 416 supra-aortic trunks were bridged. The median number of revascularisations per patient was two (interquartile range 1, 3), with no difference between sexes (p = .54). Technical success (women: 97.5%; men: 96.9%, p = .80), 30 day mortality rate (women: 10%; men: 9.3%, p = .86), and cerebrovascular morbidity (women: 11.3%; men: 17.1%, p = .25) were similar. Women presented more access related complications (women: 32.5%; men: 16.3%, p = .006), without affecting access related re-interventions (p = .55). Survival (women: 81.1%, 95% confidence interval [CI] 76.3 - 85.9%; men: 79.8%, 95% CI 76.0 - 83.6%) and freedom from re-intervention (women: 56.6%, 95% CI 50.4 - 62.8%; men: 55.3%, 95% CI 50.1 - 60.5%) at 12 months were similar (log rank, p = .40 and p = .41, respectively). CONCLUSION Both sexes presented similar outcomes after F/B-Arch. Appropriate patient selection may decrease the effect of sex in F/B-Arch outcomes.
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Karathanos C, Spanos K, Batzalexis K, Chaidoulis A, Tzimas-Dakis K, Volakakis G, Kouvelos G, Matsagas M, Giannoukas AD. Endovenous thermal ablation mid-term outcomes for the treatment of large diameter incompetent great saphenous veins. Phlebology 2024:2683555241272971. [PMID: 39162354 DOI: 10.1177/02683555241272971] [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: 08/21/2024]
Abstract
INTRODUCTION The aim of this study was to assess the efficacy and safety of endovenous thermal ablation (EVTA) in treating large diameter, ≥12 mm, incompetent great saphenous vein (GSV) in comparison to smaller ones. METHODS A retrospective comparative study was undertaken including 196 patients (205 limbs) undergoing EVTA. According to maximum GSV diameter patients were divided into two groups (group A <12 mm, group B ≥12 mm). Primary outcome was anatomic success defined as absence of reflux of GSV. Secondary outcomes were complications, postoperative pain using the 10-cm Visual Analog Scale (VAS) and improvement of Venous Clinical Severity Score (VCSS) and Chronic Venous Insufficiency Quality-of-Life Questionnaire (CΙVIQ-20) scores assessed at 7- days, 1 month, 12 months and 24 months postoperatively. RESULTS 118 patients with GSV diameter <12 mm (group A) and 87 with GSV diameter ≥12 mm (group B) were included. Patients' demographics, CEAP classification and length of ablated vein did not differ between the groups. Preoperative VCSS and VAS pain score were significant greater in group B (6.03 vs 6.94, p = .04 and 5.21 vs 5.77, p = .032, respectively). No differences in adverse events were observed post-operatively among groups. GSV occlusion rate at 1 month was 98.3% (SE 1.3%) in group A and 96.5 % (2.2%) in group B (p = .3), at 12 months 95.7% (SE 2%) and 94.2% (SE 2.8%) (p = .5), and at 24 months 94% (SE 2.4%) and 93.1% (SE 3%) (p = .4) respectively. Both groups experienced significant and similar improvement in their VCSSs and CIVIQ scores postoperatively. In a subgroup analysis among different EVTA and GSV >12 mm, 1470 nm endovenous laser ablation (EVLA) and radiofrequency ablation (RFA) showed comparable results in terms of occlusion rates, complications, VCSS and CIVIQ scores. CONCLUSIONS Endovenous thermal ablation techniques are efective and safe in the treatment of GSV incompetence regardless the diameter of the GSV. Both 1470 nm EVLA and RFA techniques performed similar outcomes.
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Nana P, Spanos K, Dakis K, Giannoukas A, Kölbel T, Haulon S. Systematic Review on Customized and Non-customized Device Techniques for the Endovascular Repair of the Aortic Arch. J Endovasc Ther 2024; 31:505-521. [PMID: 36346051 DOI: 10.1177/15266028221133701] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2024]
Abstract
PURPOSE Open repair remains the standard of care for aortic arch pathologies. However, endovascular management became an attractive alternative for high-risk patients. This study aimed to assess the outcomes of the available endovascular techniques for aortic arch pathology management. MATERIALS AND METHODS A search of the English literature (2000-2022) using PubMed, EMBASE, via Ovid, and CENTRAL databases (February 1, 2022) was performed according to Preferred Reporting Items for Systematic Reviews and Meta-Analysis guidelines. Studies reporting on patients with aortic arch pathologies managed with custom-made devices ([CMDs] fenestrated or branched thoracic endovascular aortic repair [F/BTEVAR]) and non-CMDs (parallel graft or surgeon-modified FTEVAR) were eligible. Studies reporting on hybrid or open repair were excluded. Studies' quality was assessed using the Newcastle-Ottawa Scale. Primary outcomes were technical success, 30 day mortality, and cerebrovascular events (CVEs). Secondary outcomes were re-intervention and mortality during follow-up. RESULTS Thirty studies (2135 patients) were included. Treatment indications were mainly dissections (652 cases [48.0%, 652/1358]; 90 type A, 506 type B; 364 acute, 163 chronic) and aneurysms (46.9%, 582/1239). Five studies (211 patients) reported on FTEVAR and 10 (388 patients) on BTEVAR. For FTEVAR, technical success rate was 98.3%. Thirty-day mortality was 3.8% and CVE rate was 12.3%. Ten deaths (9.7%) and 19 re-interventions (9%) were recorded during follow-up (24 months). Regarding BTEVAR, technical success rate was 98.7%, and 30 day mortality and CVE rates were 5.4% and 11.0%, respectively. During follow-up (27 months), 64 deaths (18.7%) and 33 re-interventions (9.6%) were recorded. Parallel graft technique was reported in 11 studies (901 patients). Technical success rate was 76.4%. Thirty-day mortality was 3.9% and 32 (4.3%) CVEs were recorded. Thirty-five deaths (4.4%) and 43 re-interventions (5.5%) were reported during follow-up (27 months). Surgeon-modified FTEVAR was described in 5 studies (635 patients). Technical success rate was 91.6%. At 30 days, 15 deaths (2.3%) and 22 CVEs (3.5%) were recorded. During follow-up (19 months), 26 deaths (4.2%) and 21 re-interventions (3.6%) were detected. CONCLUSIONS Endovascular arch repair presented a variable technical success; >95% for F/BTEVAR; ≤90% for non-CMDs. Acceptable 30 day mortality rates were reported. Cerebrovascular event rates ranged up to 10%. These findings, adjacent to the estimated midterm mortality and re-interventions, set the need for further improvement. CLINICAL IMPACT Endovascular arch repair gains popularity as a valuable alternative, especially in patients considered unfit for open repair. According the available literature, any endovascular technique, including custom-made or off-the-shelf solutions, may be applied successfully, with acceptable early mortality. However, the perio-operative cerebrovascular event rate is still an issue, indicating the need for further advancements.
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Torrealba JI, Kölbel T, Rohlffs F, Spanos K, Panuccio G. Branched Endovascular Aortic Repair After a Migrated EVAR Bypassing a Severely Kinked Previous Endograft. J Endovasc Ther 2024; 31:533-540. [PMID: 36342138 DOI: 10.1177/15266028221134888] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2024]
Abstract
PURPOSE To describe a novel technique to repair a juxtarenal abdominal aortic aneurysm (JAAA) after failed endovascular aortic repair (EVAR) with severely kinked anatomy. TECHNIQUE We present a patient who underwent an EVAR with a Medtronic Talent device 15 years ago and a proximal cuff extension 3 years earlier for an abdominal aortic aneurysm. Computed tomography (CT) done for a known gastritis showed a 12 cm JAAA, with a migrated endograft and a type Ia endoleak (EL). Endovascular repair was performed, accessing and navigating the aneurysmal sac outside the previous graft. The type I EL was reached and the suprarenal aorta catheterized. A 4-vessel inner-branched EVAR device was deployed in the distal thoracic aorta and their target vessels bridged through femoral access. A distal bifurcated component was deployed and both iliac limbs were extended to the native distal iliac arteries. Completion angiogram as well as early and 12-month CT showed a fully patent straight course branched EVAR with no ELs. CONCLUSION Complex aortic reinterventions in the presence of previous EVAR can be performed by choosing a straighter course along and parallel to the previous endograft. Several technical aspects must be considered to successfully perform this type of reinterventions. CLINICAL IMPACT We present a technique of a complex endovascular aortic repair in a failed EVAR with kinked anatomy, navigating through the thrombosed aneurysmal sac, outside the previously placed endograft and thus obtaining a straighter path for a new branched endograft. The novelty lies in a different approach to repair a failed EVAR with a branched graft through an uncommon access on the side of the previous endograft, avoiding repeated displacement or occlusion of the new endograft. We exemplify the feasibility of such a complex procedure and highlight important steps to perform it, whether in the abdominal or even thoracic Aorta.
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Nana P, Panuccio G, Rohlffs F, Torrealba JI, Spanos K, Kölbel T. Early and Mid-Term Outcomes of Transcaval Embolization for Type 2 Endoleak after Endovascular Aortic Repair. J Clin Med 2024; 13:3578. [PMID: 38930107 PMCID: PMC11204610 DOI: 10.3390/jcm13123578] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2024] [Revised: 06/13/2024] [Accepted: 06/17/2024] [Indexed: 06/28/2024] Open
Abstract
Background: Among the endovascular approaches for the management of endoleak type 2 (EL 2), transcaval embolization (TCE) has shown encouraging outcomes. However, the literature is still limited. This study aimed to present the early and mid-term outcomes of TCE for EL 2 after endovascular aortic repair. Methods: A retrospective, single-center analysis of consecutive patients managed with TCE for EL 2 after standard or complex endovascular aortic repair, from August 2015 to March 2024, was conducted. The indication for TCE was the presence of an EL 2 related to ≥5 mm sac increase, compared to the first imaging after aneurysm exclusion or the smallest diameter during follow-up. Patients managed with TCE for other types of endoleaks were excluded. The primary outcomes were technical and clinical successes during follow-up. Results: Forty-three patients were included (mean age: 75.1 ± 6.0 years, 90.7% males). Technical success was 97.7%. Selective embolization was performed in 48.8% and non-selective in 51.2%. No death was recorded at 30 days. The estimated clinical success was 90.0% (standard error; SE: 6.7%) and the freedom from EL 2 was 89.0% (SE 6.4%) at 36 months. Cox regression analysis showed that the type of embolization (selective vs. non-selective), type of previous repair (f/bEVAR vs. EVAR), and use of anticoagulants did not affect follow-up outcomes. Reinterventions related to EL 2 were performed in 12.5%; three underwent an open conversion. Conclusions: TCE was related to high technical success and limited peri-operative morbidity, regardless of the type of initial endovascular aortic repair. Clinical success was encouraging with reinterventions for EL 2 affecting 12.5% of patients.
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Spanos K, Kouvelos G. Remodelling After Fenestrated Endovascular Aneurysm Repair for Previously Failed Endovascular Aneurysm Repair. Eur J Vasc Endovasc Surg 2024; 67:894. [PMID: 38244719 DOI: 10.1016/j.ejvs.2024.01.019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2024] [Revised: 01/08/2024] [Accepted: 01/11/2024] [Indexed: 01/22/2024]
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Matsagkas M, Spanos K, Haidoulis A, Kouvelos G, Dakis K, Arnaoutoglou E, Giannoukas A. Initial Experience of the Covered Endovascular Reconstruction of Iliac Bifurcation Technique. J Endovasc Ther 2024:15266028241256507. [PMID: 38813976 DOI: 10.1177/15266028241256507] [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: 05/31/2024]
Abstract
INTRODUCTION The distal landing zone in iliac arteries represents an important issue during endovascular repair of abdominal aortic aneurysms (EVAR). The aim of this study is to present a case series for landing in the external iliac artery (EIA) during EVAR while preserving blood flow in the internal iliac artery (IIA) with the covered endovascular reconstruction of the iliac bifurcation (CERIB) technique. METHODS This is a single-center, retrospective analysis of prospectively collected data of patients that underwent EVAR either for intact abdominal aortic aneurysm (AAA) or previous failed EVAR from December 2022 up to September 2023. Indications for treatment were presence of common iliac artery aneurysm (CIAA), short CIA, or endoleak type Ib (ETIb). For the distal sealing zone, we used balloon-expandable covered stent (BXCS). Primary outcomes were technical success and first-month patency rate. Secondary outcomes were endoleak and re-intervention rate. RESULTS Sixteen patients being treated with 20 CERIBs were included in the study. Four patients had a previous failed EVAR, while 3 patients were treated urgently for a symptomatic para-renal aneurysm. The indications for treatment were EIb (n=2), short CIA (n=4), CIAA with narrow lumen (n=3), and CIA aneurysm (n=11). Platforms that were used were the Cook Zenith Alpha (n=5), Gore C3 (n=2 and 3 limbs), Endurant IIs (n=2, and 3 limbs), and a t-branch device (n=3). Technical success rate was 100% with no adjunctive procedure. No death or re-intervention was recorded for all patients at postoperative 30-day period and at 6 months for 2 patients. At first-month CTA, patency rate was 100% (20/20), while in 2 patients that had 6-month CTA, the patency was also 100% (2/2). No kinking or stenosis was also noted. Two patients had ETIII after branched EVAR (BEVAR), 2 patients had ETII, and 1 patient had gutter ET in the area of the CERIB. CONCLUSION The CERIB technique seems to be effective and safe in the early period. It is suitable with a variety of commercial endograft platforms. It may be a valuable alternative to iliac branch devices when there are anatomical considerations. Longer follow-up is needed to conclude for long-term patency and durability. CLINICAL IMPACT The distal landing zone in iliac arteries represents an important issue during EVAR while it is important to preserve blood flow in the internal iliac artery. The covered endovascular reconstruction of the iliac bifurcation (CERIB) technique is a technique for the preservation of internal iliac arteries during EVAR, while it is suitable with a variety of commercial endograft platforms. The CERIB technique seems to be effective and safe in the early period. It may be valuable alternative to iliac branch devices when there are anatomical considerations.
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Nana P, Spanos K, Apostolidis G, Haulon S, Kölbel T. Systematic review and meta-analysis of fenestrated or branched devices after previous open surgical aortic aneurysm repair. J Vasc Surg 2024; 79:1251-1261.e4. [PMID: 37757916 DOI: 10.1016/j.jvs.2023.09.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Revised: 09/08/2023] [Accepted: 09/19/2023] [Indexed: 09/29/2023]
Abstract
OBJECTIVE Despite open surgical repair (OSR) of abdominal aortic aneurysms being considered as a durable solution, disease progression and para-anastomotic aneurysms may require further repair, and fenestrated and branched endovascular aneurysm repair (F/BEVAR) may be applied to address these pathologies. The aim of this systematic review was to assess technical success, mortality, and morbidity (acute kidney injury, spinal cord ischemia) at 30 days, and mortality and reintervention rates during the available follow-up, in patients managed with F/BEVAR after previous OSR. METHODS The PRISMA statement was followed, and the study was pre-registered to the PROSPERO (CRD42022363214). The English literature was searched, via Ovid, using MEDLINE, EMBASE, and CENTRAL databases, through November 30, 2022. Observational studies and case series with ≥5 patients (2000-2022), reporting on F/BEVAR outcomes after OSR, were considered eligible. The Newcastle-Ottawa Scale and GRADE were used to assess the risk of bias and quality of evidence. The primary outcome was technical success, mortality, and morbidity at 30 days. Data on the outcomes of interest were synthesized using proportional meta-analysis. RESULTS The initial search yielded 1694 articles. Eight retrospective studies (476 patients) were considered eligible. In 78.3% of cases, disease progression set the indication for reintervention. Technical success was estimated at 96% (95% confidence interval [CI], 89%-98%; I2 = 0%; 95% prediction interval [PI], 79%-99%). Thirty-day mortality was 2% (95% CI, 1%-9%; I2 = 0%; 95% PI, 0%-28%). The estimated spinal cord ischemia and acute kidney injury rates were 3% (95% CI, 1%-9%; I2 = 0%; 95% PI, 0%-30%) and 6% (95% CI, 2%-15%; I2 = 0%; 95% PI, 1%-40%), respectively. During follow-up, overall mortality was 5% (95% CI, 2%-12%; I2 = 34%; 95% PI, 0%-45%) and aorta-related mortality was 1% (95% CI, 0%-2%; I2 = 0%; 95% PI, 0%-3%). The rate of reinterventions was 16% (95% CI, 9%-26%; I2 = 22%; 95% PI, 3%-50%). CONCLUSIONS According to the available literature, F/BEVAR after OSR may be performed with high technical success and low mortality and morbidity during the perioperative period. Follow-up aortic-related mortality was 1%, whereas the reintervention rates were within the standard range following F/BEVAR.
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Nana P, Dakis K, Spanos K, Tsolaki V, Karavidas N, Zakynthinos G, Kouvelos G, Giannoukas A, Matsagkas M. COVID-19 related peripheral arterial thrombotic events in intensive care unit and non-intensive care unit patients: A retrospective case series. Vascular 2024; 32:366-373. [PMID: 36395575 PMCID: PMC9679328 DOI: 10.1177/17085381221140159] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/27/2023]
Abstract
OBJECTIVES COVID-19 associated arterial thrombosis has been attributed to multiple inflammation and coagulation mechanisms. The aim of this study was to report the experience of a tertiary center on COVID-19 patients managed for acute peripheral arterial thrombosis. METHODS A single-center case series was conducted, including retrospectively collected data from all COVID-19 patients presenting arterial thrombosis, from March 2020 to February 2022. Intensive care unit (ICU) and non-ICU cases were included. The primary outcomes were mortality, successful revascularization, and amputation at 30 days. RESULTS Twenty patients presented peripheral arterial thrombosis (90% males, mean age 65 years (16-82 years)). Eighteen were diagnosed with the Delta variant and none was previously vaccinated. All cases presented acute lower limb ischemia; in 20% with bilateral involvement. Nine patients were hospitalized in the ward while 11 in the ICU. From the non-ICU cases, five presented Rutherford IIb and four cases, Rutherford's IIa ischemia. Six cases underwent revascularization (67%). Two of them were finally amputated (33%) and two died during hospitalization (33%). Two revascularizations were considered successful (33%). The ICU group presented mainly with Rutherford's III ischemia (54.5%). The mortality in the ICU cohort was 72.7%. Only one patient underwent successful revascularization and two were amputated in this subgroup. Early mortality was 50% for the total cohort while the type of management was not related to mortality. CONCLUSIONS Covid-19 related arterial thrombosis in non-vaccinated population is associated with 50% early mortality; increased up to 72% in the ICU patients. The amputation rate was 20% while only 40% of the revascularizations were considered successful.
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Loufopoulos G, Manaki V, Tasoudis P, Karela NR, Sénéchaud C, Giannopoulos A, Ktenidis K, Spanos K. Trans-Carotid Artery Revascularization Versus Carotid Endarterectomy in Patients With Carotid Artery Disease: Systematic Review and Meta-analysis of 30-day Outcomes. Angiology 2024:33197241241788. [PMID: 38533833 DOI: 10.1177/00033197241241788] [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: 03/28/2024]
Abstract
This systematic review and meta-analysis compared trans-carotid artery revascularization (TCAR) as an alternative approach to carotid endarterectomy (CEA) in patients with carotid artery disease. An electronic search was conducted using PubMed, Scopus, and Cochrane databases including comparative studies with patients who underwent either TCAR or CEA. This meta-analysis is according to the recommendations of the PRISMA statement. Eight studies met our eligibility criteria, incorporating 7,606 and 7,048 patients in the TCAR and CEA groups, respectively. Thirty-day mortality (odds ratio [OR]: 0.94, 95% confidence interval [CI]: 0.56-1.56, P = .81) and stroke (OR: 0.92, 95%CI 0.70-1.22, P = .57) were similar between the two groups, with low heterogeneity. The odds of myocardial infarction (OR: 1.79, 95% CI: 1.18-2.71, P = .01) and cranial nerve injury were significantly higher in patients undergoing CEA compared with TCAR (OR: 4.11, 95% CI: 2.59-6.51, P < .001). The subgroup analysis according to symptomatic pre-intervention status revealed no statistically significant difference regarding 30-day mortality (symptomatic OR: 0.91, 95% CI: 0.40-2.07, P = .82, asymptomatic OR: 0.93, 95% CI: 0.46-1.86, P = .83) and stroke (symptomatic OR: 0.88, 95% CI:0.47-1.64, P = .68, asymptomatic OR: 0.93, 95% CI: 0.64-1.35, P = .70). TCAR offers an alternative treatment for patients with carotid artery stenosis with comparable to CEA mortality and stroke rates during a 30-day post-operative period.
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Kouvelos G, Spanos K, Eilenberg WH, Kölbel T. Editorial: Challenges and outcomes of complex endovascular aortic repair. Front Cardiovasc Med 2024; 11:1379282. [PMID: 38596693 PMCID: PMC11002241 DOI: 10.3389/fcvm.2024.1379282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Accepted: 03/15/2024] [Indexed: 04/11/2024] Open
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Spanos K, Volakakis G, Kouvelos G, Haidoulis A, Dakis K, Karathanos C, Stamatiou G, Arnaoutoglou E, Matsagkas M, Giannoukas A. Transition from Open Repair to Endovascular Aneurysm Repair for Rupture Aortic Aneurysms throughout a 16-Year Period of Time in a Single Tertiary Center. Ann Vasc Surg 2024; 100:120-127. [PMID: 38154496 DOI: 10.1016/j.avsg.2023.11.023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Revised: 11/07/2023] [Accepted: 11/10/2023] [Indexed: 12/30/2023]
Abstract
BACKGROUND Endovascular aneurysm repair (EVAR) is recommended as the first option for both elective and ruptured abdominal aortic aneurysms (rAAAs) with suitable anatomy. The aim of this study was to evaluate the outcomes of the gradual adoption of ruptured EVAR (rEVAR) as first option in the management of rAAAs in a reference tertiary center over a 16 year-period. METHODS A retrospective analysis of prospectively collected clinical data was undertaken, including all patients that were treated for rAAA infrarenal or juxtarenal either with open surgical repair (OSR) or EVAR from 2006-2023. Three periods were identified and analyzed: Initial (2006-2011); intermediate (2012-2017); and current (2018-2023). The primary outcomes were the 30-day mortality rate in relation to the changing pattern of treatment. Secondary outcomes were re-intervention and mortality during the follow up period. RESULTS Two hundred patients were treated for rAAA; 52% by endovascular means [EVAR (94), Ch-EVAR (9), and branched endovascular aneurysm repair (1)] and 48% by OSR (96). In the initial period, 61 patients were treated for rAAA (21% EVAR vs. 79% OSR), 68 in intermediate patients (47% EVAR vs. 53% OSR), and 71 in current period (83% EVAR vs. 17% OSR). Only in the current period juxta -renal rAAAs were treated by endovascular means (14%). The 30-day mortality rate was 46% in initial period (31% for EVAR vs. 50% for OSR), 64% in second period (46% in EVAR vs. 80% for OSR), and 35% in third period (25% for EVAR vs. 83% for OSR). The mean follow up did not differ between the groups, (EVAR 28.3 ± 2 months, vs. OSR 33.1 ± 3 months, P = 0.56). The survival rate did not differ between the groups; in rEVAR was 82% (SE 5%), 74% (SE 6%), 68% (SE 6.5%), and 63% (SE 7.7%) at 12, 24, 36, and 48 months, respectively, and in OSR was 76% (SE 7%), 66% (SE 8%), and 56% (SE 9.5%) at 6, 24, and 48 months, respectively (P = 0.544). CONCLUSIONS Through a 16-year period, the implementation of EVAR as treatment of choice for rAAAs over OSR resulted in a noticeable reduction in the 30-day mortality. rEVAR was feasible in over 80% of rAAA patients.
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Nana P, Panuccio G, Rohlffs F, Spanos K, Torrealba JI, Kölbel T. Target Vessel-Related Outcomes in Patients Managed With Branch Thoracic Aortic Endovascular Repair. J Endovasc Ther 2024:15266028241231905. [PMID: 38380515 DOI: 10.1177/15266028241231905] [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: 02/22/2024]
Abstract
INTRODUCTION Data on target vessel (TV)-related outcomes in patients managed with branched thoracic endovascular aortic repair (BTEVAR) are limited. This study aimed to present the TV-related outcomes of BTEVAR in patients managed for aortic arch pathologies at 30 days and during follow-up. METHODS A retrospective analysis of consecutive patients, managed between September 1, 2011, and June 30, 2022, with custom-made aortic arch endografts (Cook Medical, Bloomington, IN, USA), presenting at least one branch configuration, were eligible. Primary outcomes were technical success, TV-related patency, and reinterventions at 30 days. RESULTS In total, 255 TVs were revascularized using branches: 107 innominate arteries (IAs), 108 left common carotid arteries (LCCAs), and 40 left subclavian arteries (LSAs). Covered stents were used as bridging stents of which 10.2% were balloon expandable. Relining, using bare-metal stents (BMS), was performed in 14.0% of IAs, 35.2% of LCCAs, and 22.5% of LSAs. Technical success on case basis was 99.2%; no failure was related to unsuccessful TV bridging. At 30 day follow-up, no TV occlusion was detected. In 5.6% of cases, a type Ic or III endoleak, attributed to TVs, was recorded. Two patients needed early branch-related reintervention. The mean follow-up was 18.3±9.2 months. Freedom from TV instability was 94.6% (standard error [SE] 2.5%] at 12 months. No TV stenosis or occlusion was detected up to 48 months of follow-up. Freedom from TV-related reinterventions was 95.4% [SE 2.4%] at 12 months. CONCLUSION TV stenosis or occlusion in BTEVAR cases is rare and TV-related reinterventions and instability events are mainly attributed to type Ic and III endoleak formation. CLINICAL IMPACT Previous studies focusing on target vessel (TV) outcomes after endovascular aortic arch repair are limited. In this study, including 255 TVs revascularized using branched arch devices, bridging was performed with covered stents, of which 90% were self-expanding. Relining was at the discretion of the operator and was 14% for the innominate, 35.2% for the left common carotid and 22.5% for the left subclavian artery branches. No 30-day occlusion was detected. The freedom from TV instability was almost 95% at 12 months. TV instability and reintervention were mainly attributed to endoleaks type Ic and IIIc.
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Nana P, Spanos K, Behrendt CA, Brodis A, Haulon S, Kölbel T. A Systematic Review on Thoracic Endovascular Repair Outcomes in Blunt Thoracic Aortic Injuries. J Endovasc Ther 2024:15266028241233163. [PMID: 38369733 DOI: 10.1177/15266028241233163] [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: 02/20/2024]
Abstract
PURPOSE Blunt thoracic aortic injury (BTAI) represents a potentially life-threatening condition and thoracic endovascular aortic repair (TEVAR) is recommended as the first-line treatment (Class I level of evidence C) by the current guidelines. The aim of this systematic review was to determine the perioperative and mid-term follow-up outcomes of patients with BTAI treated with TEVAR. MATERIALS AND METHODS We reviewed the English literature published between 2000 and 2022, via Ovid, using MEDLINE, EMBASE, and CENTRAL databases, until July 30, 2022. Observational studies and case series, with ≥5 patients, reporting on the perioperative and follow-up outcomes of patients who underwent TEVAR for BTAI were included. The Newcastle-Ottawa Scale was used to assess the risk of bias. Primary outcomes were technical success and 30-day mortality, cerebrovascular morbidity. Secondary outcomes were mortality and re-interventions during the mid-term follow-up. RESULTS From 5201 articles identified by the literature search, 35 eligible studies were included in this review. All studies had a retrospective study design. In total, 991 patients were included. The mean age was 34.5±16.5 years (range=16-89 years). Technical success was 98.0% (odds ratio [OR], 95% confidence interval [CI]=0.98, 0.99, p<0.001, I2=0%). Mortality at 30 days was 5.0% (OR, 95% CI=0.03, 0.06, p<0.001, I2=5.56%). Spinal cord ischemia occurred in 1.0% (OR, 95% CI=0.01, 0.02, p<0.001, I2=0%) and stroke rate was 2.0% (OR, 95% CI=0.01, 0.02, p<0.001, I2=0%). The available follow-up was estimated at 29 months (range=3-119 months) with mortality rate at 2.0% (OR, 95% CI=0.01, 0.02, p<0.001, I2=0%) and re-intervention rate at 1.0% (OR, 95% CI=0.01, 0.02, p<0.001, I2=10.5%). CONCLUSION Thoracic endovascular aortic repair showed high technical success and low early cerebrovascular morbidity and mortality rates. In the mid-term follow-up, the estimated mortality and re-intervention rates were also low. Furthermore, higher quality prospective studies are needed. CLINICAL IMPACT Thoracic endovascular aortic repair (TEVAR) is recommended as the first line treatement in patients with blunt thoracic aortic injuries (BTAI). This systematic review of 35 retrospective studies and 991 patients showed high technical success (98.0%) with an associated 30-day mortality at 5.0% and low spinal cord ischemia (1%) and stroke rates (2.0%). Mid-term mortality and re-intervention rates reassure the effectiveness of TEVAR in BTAI cases.
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Spanos K, Kölbel T. Role of Initial Focal Contrast Enhancement in Type B Intramural Hematoma. J Am Coll Cardiol 2024; 83:514-515. [PMID: 38267113 DOI: 10.1016/j.jacc.2023.11.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Revised: 11/21/2023] [Accepted: 11/28/2023] [Indexed: 01/26/2024]
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Nordanstig J, Behrendt CA, Baumgartner I, Belch J, Bäck M, Fitridge R, Hinchliffe R, Lejay A, Mills JL, Rother U, Sigvant B, Spanos K, Szeberin Z, van de Water W, Antoniou GA, Björck M, Gonçalves FB, Coscas R, Dias NV, Van Herzeele I, Lepidi S, Mees BME, Resch TA, Ricco JB, Trimarchi S, Twine CP, Tulamo R, Wanhainen A, Boyle JR, Brodmann M, Dardik A, Dick F, Goëffic Y, Holden A, Kakkos SK, Kolh P, McDermott MM. Editor's Choice -- European Society for Vascular Surgery (ESVS) 2024 Clinical Practice Guidelines on the Management of Asymptomatic Lower Limb Peripheral Arterial Disease and Intermittent Claudication. Eur J Vasc Endovasc Surg 2024; 67:9-96. [PMID: 37949800 DOI: 10.1016/j.ejvs.2023.08.067] [Citation(s) in RCA: 28] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2023] [Accepted: 08/14/2023] [Indexed: 11/12/2023]
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Kouvelos G, Volakakis G, Dakis K, Spanos K, Giannoukas A. The Role of Aortic Volume in the Natural History of Abdominal Aortic Aneurysms and Post-Endovascular Aortic Aneurysm Repair Surveillance. J Clin Med 2023; 13:193. [PMID: 38202200 PMCID: PMC10779888 DOI: 10.3390/jcm13010193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2023] [Revised: 12/18/2023] [Accepted: 12/20/2023] [Indexed: 01/12/2024] Open
Abstract
There has been a debate about whether maximum diameter can be solely used to assess the natural history of abdominal aortic aneurysm. The aim of the present review is to collect all the available evidence on the role of abdominal aortic aneurysm (AAA) volume in the natural history of AAAs, including small untreated AAAs and AAAs treated by EVAR. The current literature appears to reinforce the role of volume as a supplementary measure for evaluating the natural history of AAA, in both intact AAAs and after EVAR. The clinical impact of AAA volume measurements remains unclear. Several studies show that volumetric analysis can assess changes in AAAs and predict successful endoluminal exclusion after EVAR more accurately than diameter. However, most studies lack strict standardized measurement criteria and well-defined outcome definitions. It remains unclear whether volumetry could replace diameter assessment in defining the risk of rupture of AAAs and identifying clinically relevant sac growth.
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Nana P, Koelemay MJW, Leone N, Brodis A, van den Berg JC, de Bruin JL, Geelkerken RH, Spanos K. A Systematic Review of Endovascular Repair Outcomes in Atherosclerotic Chronic Mesenteric Ischaemia. Eur J Vasc Endovasc Surg 2023; 66:632-643. [PMID: 37451604 DOI: 10.1016/j.ejvs.2023.07.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 06/21/2023] [Accepted: 07/09/2023] [Indexed: 07/18/2023]
Abstract
OBJECTIVE Chronic mesenteric ischaemia (CMI) treatment focuses on symptom relief and prevention of disease progression. Endovascular repair represents the main treatment modality, while data on the associated antiplatelet regimen are scarce. The aim of this meta-analysis was to assess the early and midterm outcomes of endovascular repair in patients with CMI. DATA SOURCES Randomised controlled trials and observational studies (1990 - 2022) reporting on early and midterm endovascular repair outcomes in patients with atherosclerotic CMI. REVIEW METHODS The PRISMA guidelines and PICO model were followed. The protocol was registered to PROSPERO (CRD42023401685). Medline, Embase (via Ovid), and Cochrane databases were searched (end date 21 February 2023). The Newcastle-Ottawa Scale was used for risk of bias assessment, and GRADE for evidence quality assessment. Primary outcomes were technical success, 30 day mortality, and symptom relief, assessed using prevalence meta-analysis. The role of dual antiplatelet therapy (DAPT) was investigated using meta-regression analysis. RESULTS Sixteen retrospective studies (1 224 patients; mean age 69.8 ± 10.6 years; 60.3% female) reporting on 1 368 target vessels (57.8% superior mesenteric arteries) were included. Technical success was 95.0% (95% CI 93 - 97%, p = .28, I2 19%, low certainty), the 30 day mortality rate was 2.0% (95% CI 2 - 4%, p = .93, I2 36%, low certainty), and immediate symptom relief was 87.0% (95% CI 80 - 92%, p < .010, I2 85%, very low certainty). At mean follow up of 28 months, the mortality rate was 15.0% (95% CI 9 - 25%, p = .010, I2 86%, very low certainty), symptom recurrence 25.0% (95% CI 21 - 31%, p < .010, I2 68%, very low certainty) and re-intervention rate 26.0% (95% CI 17 - 37%, p < .010, I2 92%, very low certainty). Single antiplatelet therapy (SAPT) and DAPT performed similarly in the investigated outcomes. CONCLUSION Endovascular repair for CMI appears to be safe as first line treatment, with a low peri-operative mortality rate and acceptable immediate symptom relief. During midterm follow up, symptom recurrence and need for re-intervention are not uncommon. SAPT appears to be equal to DAPT in post-operative outcomes.
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Nana P, Spanos K, Kouvelos G, Georgakopoulou VE, Lempesis IG, Trakas N, Sklapani P, Paterakis K, Fotakopoulos G, Brotis AG. Carotid artery stenting and endarterectomy surgery techniques: A 30‑year time‑lapse. MEDICINE INTERNATIONAL 2023; 3:61. [PMID: 38204583 PMCID: PMC10777268 DOI: 10.3892/mi.2023.121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Accepted: 10/30/2023] [Indexed: 01/12/2024]
Abstract
Carotid endarterectomy or carotid artery stenting (CAS), are the most important axes in carotid artery interventional management. A bibliometric analysis permits an easier access to the current literature trends and information to design future studies. The aim of the present study was to identify the knowledge routes on CAS and examine the research front on the topic. The search was interpreted in Scopus, from 1994 to 2023, and included only original articles and reviews. The BibTex format was used to download all citation and bibliographic data. The present analysis was conducted in two parts, a descriptive one and a network extraction process. Between 1994 and 2023, 34,503 references and 7,758 authors were recorded. The annual growth rate was 21.64%. The CAVATAS trial was the most cited article. As regards word trends, since 2017, trans-carotid stenting, risk factors and plaque characteristics are highlighted. CAS remains an area of high interest with a publication growth rate of >20% per year. As numerous questions remain to be answered, the need to determine the role of CAS may drive further research.
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Arulrajah K, Spanos K, Panuccio G, Gandet T, Rickers C, Kölbel T. Endovascular Recanalization of Aortic Isthmus Atresia with an "Electrified Wire Technique". J Endovasc Ther 2023:15266028231206996. [PMID: 37872769 DOI: 10.1177/15266028231206996] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2023]
Abstract
PURPOSE For aortic coarctation in adults endovascular repair is the treatment of choice with an acceptable safety profile. Aortic isthmus atresia is a related condition with a complete occlusion of the aorta not allowing catheterization across the isthmus. This technical note describes a recanalization of an aortic isthmus atresia using radiofrequency with an "electrified wire technique." TECHNIQUE A guidewire was selectively denuded of PTFE (polytetrafluoroethylene) at the distal end and was placed through a catheter distal to the aortic isthmus atresia. The denuded end of the wire was clamped to an electrosurgery pencil. By pushing the wire toward a tulip-snare, which was placed as a target proximal of the occlusion via left trans-brachial access, and shortly activating of the electrosurgery pencil the electrified wire recanalized the occlusion and was snared and used to guide implantation of a balloon-expandable covered stent. CONCLUSION The electrified wire puncture technique can be used to recanalize adult aortic isthmus atresia after failed conventional attempts. CLINICAL IMPACT The electrified wire technique offers an off-the shelf option to modify standard guidewires for the use with radiofrequency to cross a complete aortic isthmus occlusion after failed conventional attempts. This new technique may be applied also in other situations like dissection flap fenestration, transcaval access and similar.
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