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Han SM, DiBartolomeo AD, Pyun AJ, Maithel S, Patel S, Fleischman F. Use of Iliac Branch Endoprosthesis to Rescue Inadvertent False Lumen Deployment of the Innominate Branch Stent During Physician-Modified Fenestrated-Branched Aortic Arch Repair. Vasc Endovascular Surg 2024; 58:193-199. [PMID: 37473451 DOI: 10.1177/15385744231191216] [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: 07/22/2023]
Abstract
A 70-year-old male with a history of 3 prior median sternotomies and on anticoagulation presented with acute chest and back pain associated with a pseudoaneurysm of the ascending and aortic arch in the setting of residual dissection involving the innominate, proximal right carotid, and subclavian arteries. A physician-modified triple vessel fenestrated-branched arch endograft was deployed. The innominate branch stent was deployed from the right carotid cut down, while the left carotid and left subclavian branch stents were placed from a femoral approach. Postoperatively, the innominate branch was found to be deployed in the false lumen of the dissected native innominate artery, leading to continued pressurization of the pseudoaneurysm. This was rescued by placing a Gore Iliac Branch Endoprosthesis (IBE) into the innominate branch through a temporary conduit sewn to the right carotid artery with a right subclavian branch placed via a brachial artery cut down into the internal iliac gate. The use of IBE allowed branch stent extension past the dissected native vessels. The patient had an uneventful recovery without neurologic complications. At 3-month follow-up, the patient remains well with an excluded pseudoaneurysm, and patent bifurcated innominate, bilateral carotid, and subclavian artery branches. A Gore IBE can be utilized in a dissected innominate artery to create an innominate branch device during fenestrated-branched endovascular arch repair.
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Affiliation(s)
- Sukgu M Han
- Division of Vascular Surgery and Endovascular Therapy, Keck Medical Center of University of Southern California, Los Angeles, CA, USA
| | - Alexander D DiBartolomeo
- Division of Vascular Surgery and Endovascular Therapy, Keck Medical Center of University of Southern California, Los Angeles, CA, USA
| | - Alyssa J Pyun
- Division of Vascular Surgery and Endovascular Therapy, Keck Medical Center of University of Southern California, Los Angeles, CA, USA
| | - Shelley Maithel
- Division of Vascular Surgery and Endovascular Therapy, Keck Medical Center of University of Southern California, Los Angeles, CA, USA
| | - Sanjeet Patel
- Division of Cardiothoracic Surgery, Keck Medical Center of University of Southern California, Los Angeles, CA, USA
| | - Fernando Fleischman
- Division of Cardiothoracic Surgery, Keck Medical Center of University of Southern California, Los Angeles, CA, USA
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Mylonas SN, Aras T, Dorweiler B. A Systematic Review and an Updated Meta-Analysis of Fenestrated/Branched Endovascular Aortic Repair of Chronic Post-Dissection Thoracoabdominal Aortic Aneurysms. J Clin Med 2024; 13:410. [PMID: 38256542 PMCID: PMC10816959 DOI: 10.3390/jcm13020410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Revised: 01/07/2024] [Accepted: 01/09/2024] [Indexed: 01/24/2024] Open
Abstract
The objective of this study is to present the current outcomes of fenestrated/branched endovascular repair (F/BEVAR) for post-dissection thoracoabdominal aortic aneurysms (PDTAAAs). A systematic review of the literature according to PRISMA guidelines up to October 2023 was conducted (protocol CRD42023473403). Studies were included if ≥10 patients were reported and at least one of the major outcomes was stated. A total of 10 studies with 585 patients overall were included. The pooled estimate for technical success was 94.3% (95% CI 91.4% to 96.2%). Permanent paraplegia developed with a pooled rate of 2.5% (95% CI 1.5% to 4.3%), whereas a cerebrovascular event developed with a pooled rate of 1.6% (95% CI 0.8% to 3.0%). An acute renal function impairment requiring new-onset dialysis occurred with a pooled rate of 2.0% (95% CI 1.0% to 3.8%). Postoperative respiratory failure was observed with a pooled estimate of 5.5% (95% CI 3.8% to 8.1%). The pooled estimate for 12-month overall survival was 90% (95% CI 85% to 93.5%), and the pooled estimates for 24-month and 36-month survival were 87.8% (95% CI 80.9% to 92.5%) and 85.5% (95% CI 76.5% to 91.5%), respectively. Freedom from reintervention was estimated at 83.9% (95% CI 75.9% to 89.6%) for 12 months, 82.8% (95% CI 68.7% to 91.4%) for 24 months and 76.1% (95% CI 60.6% to 86.8%) for 36 months. According to the present findings, F/BEVAR can be performed in PD-TAAAs with high rates of technical success and good mid-term results.
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Affiliation(s)
- Spyridon N. Mylonas
- Department of Vascular and Endovascular Surgery, Faculty of Medicine and University Hospital of Cologne, University of Cologne, 50937 Cologne, Germany; (T.A.); (B.D.)
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Isselbacher EM, Preventza O, Hamilton Black J, Augoustides JG, Beck AW, Bolen MA, Braverman AC, Bray BE, Brown-Zimmerman MM, Chen EP, Collins TJ, DeAnda A, Fanola CL, Girardi LN, Hicks CW, Hui DS, Schuyler Jones W, Kalahasti V, Kim KM, Milewicz DM, Oderich GS, Ogbechie L, Promes SB, Ross EG, Schermerhorn ML, Singleton Times S, Tseng EE, Wang GJ, Woo YJ, Faxon DP, Upchurch GR, Aday AW, Azizzadeh A, Boisen M, Hawkins B, Kramer CM, Luc JGY, MacGillivray TE, Malaisrie SC, Osteen K, Patel HJ, Patel PJ, Popescu WM, Rodriguez E, Sorber R, Tsao PS, Santos Volgman A, Beckman JA, Otto CM, O'Gara PT, Armbruster A, Birtcher KK, de Las Fuentes L, Deswal A, Dixon DL, Gorenek B, Haynes N, Hernandez AF, Joglar JA, Jones WS, Mark D, Mukherjee D, Palaniappan L, Piano MR, Rab T, Spatz ES, Tamis-Holland JE, Woo YJ. 2022 ACC/AHA guideline for the diagnosis and management of aortic disease: A report of the American Heart Association/American College of Cardiology Joint Committee on Clinical Practice Guidelines. J Thorac Cardiovasc Surg 2023; 166:e182-e331. [PMID: 37389507 PMCID: PMC10784847 DOI: 10.1016/j.jtcvs.2023.04.023] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 07/01/2023]
Abstract
AIM The "2022 ACC/AHA Guideline for the Diagnosis and Management of Aortic Disease" provides recommendations to guide clinicians in the diagnosis, genetic evaluation and family screening, medical therapy, endovascular and surgical treatment, and long-term surveillance of patients with aortic disease across its multiple clinical presentation subsets (ie, asymptomatic, stable symptomatic, and acute aortic syndromes). METHODS A comprehensive literature search was conducted from January 2021 to April 2021, encompassing studies, reviews, and other evidence conducted on human subjects that were published in English from PubMed, EMBASE, the Cochrane Library, CINHL Complete, and other selected databases relevant to this guideline. Additional relevant studies, published through June 2022 during the guideline writing process, were also considered by the writing committee, where appropriate. STRUCTURE Recommendations from previously published AHA/ACC guidelines on thoracic aortic disease, peripheral artery disease, and bicuspid aortic valve disease have been updated with new evidence to guide clinicians. In addition, new recommendations addressing comprehensive care for patients with aortic disease have been developed. There is added emphasis on the role of shared decision making, especially in the management of patients with aortic disease both before and during pregnancy. The is also an increased emphasis on the importance of institutional interventional volume and multidisciplinary aortic team expertise in the care of patients with aortic disease.
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DiBartolomeo AD, Pyun AJ, Ding L, O'Donnell K, Paige JK, Magee GA, Weaver FA, Han SM. Comparative outcomes of physician-modified fenestrated-branched endovascular repair of post-dissection and degenerative complex abdominal or thoracoabdominal aortic aneurysms. J Vasc Surg 2023; 78:565-574.e2. [PMID: 37187413 DOI: 10.1016/j.jvs.2023.05.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Revised: 05/03/2023] [Accepted: 05/05/2023] [Indexed: 05/17/2023]
Abstract
OBJECTIVE Fenestrated-branched endovascular repair has become a favorable treatment strategy for patients with complex abdominal aortic aneurysms (cAAAs) and thoracoabdominal aortic aneurysms (TAAAs) who are high risk for open repair. Compared with degenerative aneurysms, post-dissection aneurysms can pose additional challenges for endovascular repair. Literature on physician-modified fenestrated-branched endovascular aortic repair (PM-FBEVAR) for post-dissection aortic aneurysms is sparse. Therefore, the aim of this study is to compare the clinical outcomes of patients who underwent PM-FBEVAR for degenerative and post-dissection cAAAs or TAAAs. METHODS A single-center institutional database was retrospectively reviewed for patients that underwent PM-FBEVAR between 2015 and 2021. Infected aneurysms and pseudoaneurysms were excluded. Patient characteristics, intraoperative details, and clinical outcomes were compared between degenerative and post-dissection cAAAs or TAAAs. The primary outcome was 30-day mortality. The secondary outcomes included technical success, major complications, endoleak, target vessel instability, and reintervention. RESULTS Of the 183 patients who underwent PM-FBEVAR in the study, 32 had aortic dissections, and 151 had degenerative aneurysms. There was one 30-day death (3.1%) in the post-dissection group and eight 30-day deaths (5.3%) in the degenerative aneurysm group (P = .99). Technical success, fluoroscopy time, and contrast usage were similar between the post-dissection and degenerative groups. Reintervention during follow-up (28% vs 35%; P = .54) and major complications were not statistically significantly different between the two groups. Endoleak was the most common reason for reintervention, with the post-dissection group having a higher rate of type IC, II, and IIIA endoleaks (31% vs 3%; P < .0001; 59% vs 26%; P = .0002; and 16% vs 4%; P = .03). During the mean follow-up of 14 months, all-cause mortality was similar between the groups (12.5% vs 21.9%; P = .23). CONCLUSIONS PM-FBEVAR is a safe treatment for post-dissection cAAAs and TAAAs with high technical success. However, endoleaks requiring reintervention were more frequent in post-dissection patients. The impact of these reinterventions on long-term durability will be assessed with continued follow-up.
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Affiliation(s)
- Alexander D DiBartolomeo
- Division of Vascular Surgery and Endovascular Therapy, Keck Medical Center of University of Southern California, Los Angeles, CA
| | - Alyssa J Pyun
- Division of Vascular Surgery and Endovascular Therapy, Keck Medical Center of University of Southern California, Los Angeles, CA
| | - Li Ding
- Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles, CA
| | - Kathleen O'Donnell
- Division of Vascular Surgery and Endovascular Therapy, Keck Medical Center of University of Southern California, Los Angeles, CA
| | - Jacquelyn K Paige
- Division of Vascular Surgery and Endovascular Therapy, Keck Medical Center of University of Southern California, Los Angeles, CA
| | - Gregory A Magee
- Division of Vascular Surgery and Endovascular Therapy, Keck Medical Center of University of Southern California, Los Angeles, CA
| | - Fred A Weaver
- Division of Vascular Surgery and Endovascular Therapy, Keck Medical Center of University of Southern California, Los Angeles, CA
| | - Sukgu M Han
- Division of Vascular Surgery and Endovascular Therapy, Keck Medical Center of University of Southern California, Los Angeles, CA.
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DiBartolomeo AD, Miranda E, Pyun AJ, Magee GA, Ziegler KR, Paige J, Han SM. Dual-Lumen Stenting of Dissected Superior Mesenteric Artery During Fenestrated Branched Endovascular Repair of a Post-dissection Thoracoabdominal Aortic Aneurysm. J Endovasc Ther 2023:15266028231188857. [PMID: 37515412 DOI: 10.1177/15266028231188857] [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: 07/30/2023]
Abstract
PURPOSE Long-segment aortic branch dissections have been considered a relative contraindication for fenestrated-branched endovascular aneurysm repair (FB-EVAR). This case report describes a technique of dual-lumen stenting of a fully-dissected superior mesenteric artery (SMA) to preserve patency of the true and false lumens during FB-EVAR. CASE REPORT A 67-year-old man presented with a 6.0 cm extent III chronic post-dissection thoracoabdominal aortic aneurysm. The patient had highly-complex anatomy including dissection of the entire SMA. The true and false lumens of the dissected SMA were noted to be supplying different branches, requiring preservation of both lumens. The patient underwent a staged physician-modified FB-EVAR. A modified endograft containing 5 fenestrations and 1 branch cuff was introduced and the celiac, true-lumen SMA, and 3 renal arteries were sequentially catheterized using staggered deployment of the modified endograft. The false lumen SMA stent was catheterized via the branch cuff. Molded parallel grafting ("eye-of-the-tiger") technique was used to achieve double D configuration between the true and false lumens of the SMA. CONCLUSION This case demonstrates feasibility of dual-lumen stenting to incorporate dissected target vessels during FB-EVAR while preserving flow to both the true and false lumens and the second-order branches they supply. CLINICAL IMPACT We report a novel technique that allows incorporation of branch vessels affected by long segment dissection during fenestrated branched endovascular aortic repairs. This has potential advantage of preserving flow to all secondary branches of the dissected target vessels, while reducing the risk of type Ic endoleak.
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Affiliation(s)
- Alexander D DiBartolomeo
- Division of Vascular Surgery and Endovascular Therapy, Keck Medical Center of University of Southern California, Los Angeles, CA, USA
| | - Elizabeth Miranda
- Division of Vascular Surgery and Endovascular Therapy, Keck Medical Center of University of Southern California, Los Angeles, CA, USA
| | - Alyssa J Pyun
- Division of Vascular Surgery and Endovascular Therapy, Keck Medical Center of University of Southern California, Los Angeles, CA, USA
| | - Gregory A Magee
- Division of Vascular Surgery and Endovascular Therapy, Keck Medical Center of University of Southern California, Los Angeles, CA, USA
| | - Kenneth R Ziegler
- Division of Vascular Surgery and Endovascular Therapy, Keck Medical Center of University of Southern California, Los Angeles, CA, USA
| | - Jacquelyn Paige
- Division of Vascular Surgery and Endovascular Therapy, Keck Medical Center of University of Southern California, Los Angeles, CA, USA
| | - Sukgu M Han
- Division of Vascular Surgery and Endovascular Therapy, Keck Medical Center of University of Southern California, Los Angeles, CA, USA
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O'Donnell TFX, Patel PB, Marcaccio CL, Dansey KD, Swerdlow NJ, Rastogi V, Patel VI, Beck AW, Zettervall SL, Schermerhorn ML. Outcomes of Complex Endovascular Treatment of Post-Dissection Aneurysms. Eur J Vasc Endovasc Surg 2023; 66:58-66. [PMID: 37087065 PMCID: PMC10524097 DOI: 10.1016/j.ejvs.2023.04.013] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Revised: 03/17/2023] [Accepted: 04/13/2023] [Indexed: 04/24/2023]
Abstract
OBJECTIVE Reports of endovascular treatment of chronic post-dissection aneurysms are limited to high volumes centres, posing questions about generalisability. METHODS All endovascular repairs of intact pararenal and thoraco-abdominal aneurysms in the Vascular Quality Initiative from 2014 to 2021 were studied, and peri-operative and long term outcomes were compared between repairs of degenerative and post-dissection aneurysms. Peri-operative outcomes were compared using mixed effects logistic regression, and long term outcomes using Medicare linkage. RESULTS There were 123 patients who completed treatment for post-dissection aneurysms and 3 635 for degenerative aneurysms, with 36% of post-dissection repairs and 6.7% of degenerative repairs performed in a staged fashion (p < .001). The majority (84%) of post-dissection aneurysms were extensive thoraco-abdominal aneurysms (TAAAs: Crawford Type 1, 2, 3, 5), compared with 22% of degenerative aneurysms (p < .001). Physician modified endografts were the primary repair type for post-dissection (73%), while commercially available fenestrated grafts were the dominant repair for degenerative (48%). The first stage of staged procedures was associated with a 2.8% peri-operative mortality rate, 5.1% spinal cord ischaemia, and 8.9% thoraco-abdominal life altering events (the composite of peri-operative death, stroke, permanent spinal cord ischaemia, and dialysis). Th final stage procedure and fluoroscopy times were similar, but technical success was lower in post-dissection repairs (75% vs. 83%, p = .018), both due to issues with the main endograft or bridging vessels (11% vs. 6.6%, p = .055), and types 1and 3 endoleak at completion (17% vs. 10%, p = .035). In addition, high volume surgeons had two fold higher odds of technical success than their low volume counterparts. Adjusted peri-operative outcomes were similar between pathology types, including when comparisons were restricted to extensive TAAAs. Crude and adjusted three year survival were similar, but three year re-interventions were significantly higher following post-dissection repairs (p < .001). CONCLUSION Complex endovascular repair of chronic post-dissection aneurysms is feasible but is associated with high rates of re-interventions and non-trivial rates of lack of technical success. More data are needed to evaluate the long term durability of these procedures, and the utility of centralising these complex procedures.
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Affiliation(s)
- Thomas F X O'Donnell
- Department of Surgery, Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Centre, Harvard Medical School, Boston, MA, USA; Division of Cardiac, Thoracic, and Vascular Surgery, New York-Presbyterian/Columbia University Irving Medical Centre/Columbia University Vagelos College of Physicians & Surgeons, New York, NY, USA
| | - Priya B Patel
- Division of General Surgery, Rutgers Robert Wood Johnson Medical School, New Brunswick, NJ, USA
| | - Christina L Marcaccio
- Department of Surgery, Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Centre, Harvard Medical School, Boston, MA, USA
| | - Kirsten D Dansey
- Department of Surgery, Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Centre, Harvard Medical School, Boston, MA, USA
| | - Nicholas J Swerdlow
- Department of Surgery, Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Centre, Harvard Medical School, Boston, MA, USA
| | - Vinamr Rastogi
- Department of Surgery, Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Centre, Harvard Medical School, Boston, MA, USA
| | - Virendra I Patel
- Division of Cardiac, Thoracic, and Vascular Surgery, New York-Presbyterian/Columbia University Irving Medical Centre/Columbia University Vagelos College of Physicians & Surgeons, New York, NY, USA
| | - Adam W Beck
- Division of Vascular Surgery and Endovascular Therapy, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Sara L Zettervall
- Division of Vascular and Endovascular Surgery, University of Washington, Seattle, WA, USA
| | - Marc L Schermerhorn
- Department of Surgery, Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Centre, Harvard Medical School, Boston, MA, USA
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Kuo CY, Huang CY, Chen TW, Hsu HL, Shih CC, Hsu CP. Outcomes of abdominal false lumen embolization for chronic aortic dissection after prior proximal repair with stent-graft. J Chin Med Assoc 2023; 86:633-640. [PMID: 37185220 DOI: 10.1097/jcma.0000000000000934] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/17/2023] Open
Abstract
BACKGROUND Persistent false lumen (FL) perfusion with aneurysmal formation is common after thoracic endovascular aortic repair (TEVAR) for typical extended aortic dissection and is associated with poor outcomes. Endovascular FL embolization (FLE) has recently been tried for treatment of postdissection aortic aneurysm (PDAA). However, most reports address thoracic rather than abdominal FLE. In this study, we present the results of abdominal FLE in patients with residual patent abdominal FL following stent-graft repair for aortic dissection. METHODS Between 2015 and 2019, 24 patients (mean age: 56.7 ± 11.8 years, range: 40-84 years, 18 male) received endovascular abdominal FLE using vascular plugs, coils, or candy plugs as the main surgery (5 patients) or auxiliary procedure (19 patients) after earlier stent-graft repair for aortic dissection (Type A: 9, Type B: 15). The medical records were reviewed and aortic remodeling was examined comparing the preembolization computed tomography (CT) and the most recent CT before reintervention. RESULTS Technical success was achieved without any intraoperative complications, early morbidity, or mortality. Median follow-up was 34.4 months (range: 12-71). Regarding thoracic FL, 15 patients exhibited complete thrombosis before the procedure and did not change status thereafter except for 1 patient with distal stent-graft-induced new entry. In the other 9 patients, 6 exhibited increased thrombosis. With regard to the abdominal aorta, increased FL thrombosis only occurred in 8 patients with 3 (12.5%) achieving complete thrombosis. The maximal thoracic aortic diameter did not change (1.4 ± 5.6 mm) statistically, but the abdominal diameter increased significantly (4.3 ± 3.7 mm, p < 0.005). CONCLUSION From our results, abdominal FLE is a safe procedure. However, covering all the re-entry tears is complex and the possibility of complete FL thrombosis is low. The abdominal aortic diameter appears to become enlarged in these patients. Continuous follow-up is necessary after FLE.
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Affiliation(s)
- Ching-Yuan Kuo
- School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC
- Division of Cardiovascular Surgery, Department of Surgery, Taipei Veterans General Hospital, Taiwan, ROC
| | - Chun-Yang Huang
- School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC
- Division of Cardiovascular Surgery, Department of Surgery, Taipei Veterans General Hospital, Taiwan, ROC
| | - Tai-Wei Chen
- School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC
- Division of Cardiovascular Surgery, Department of Surgery, Taipei Veterans General Hospital, Taiwan, ROC
| | - Hung-Lung Hsu
- School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC
- Department of Cardiovascular Surgery, Far Eastern Memorial Hospital, New Taipei City, Taiwan, ROC
| | - Chun-Che Shih
- School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC
- Division of Cardiovascular Surgery, Department of Surgery, Wan Fang Hospital, Taipei Medical University, Taipei, Taiwan, ROC
| | - Chiao-Po Hsu
- School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC
- Division of Cardiovascular Surgery, Department of Surgery, Taipei Veterans General Hospital, Taiwan, ROC
- Department of Surgery, Taoyuan General Hospital, Ministry of Health and Welfare, Taoyuan, Taiwan, ROC
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Chen Z, Liu Z, Cai J, Liu C, Li Z, Liu H, Mamateli S, Lv X, Liu C, Ran F, Wang W, Zhang M, Li X, Qiao T. Risk factors for target vessel endoleaks after physician-modified fenestrated or branched endovascular aortic repair for postdissection thoracoabdominal aortic aneurysms. J Vasc Surg 2023; 77:685-693.e2. [PMID: 36270559 DOI: 10.1016/j.jvs.2022.10.012] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2022] [Revised: 10/04/2022] [Accepted: 10/05/2022] [Indexed: 11/23/2022]
Abstract
OBJECTIVE Patients with postdissection thoracoabdominal aortic aneurysms (TAAAs) have been more likely to develop endoleaks than those with degenerative TAAAs after fenestrated or branched endovascular aortic repair (F/BEVAR). In the present study, we aimed to determine the risk factors for target vessel (TV)-related endoleaks after visceral segment F/BEVAR for postdissection TAAAs. METHODS We performed a retrospective analysis of all patients with degenerative and postdissection TAAAs treated with F/BEVAR between 2017 and 2021. All the patients had undergone computed tomography angiography before and 3 months, 6 months, and annually after discharge. Two experienced vascular surgeons had used data from computed tomography angiography and vascular angiography to judge the presence of endoleaks. The study end points were mortality, aneurysm rupture, and the emergence of and reintervention for TV-related endoleaks. RESULTS A total of 195 patients (mean age, 66 ± 10 years; 69% men) had undergone F/BEVAR for 99 postdissection TAAAs and 96 degenerative TAAAs. During a mean follow-up of 16 ± 12 months, we found that the patients with postdissection TAAAs were younger (age, 64 ± 10 years vs 69 ± 9 years; P = .001), had required more prior aortic repairs (58% vs 40%; P = .012), and had had a higher body mass index (26.1 ± 3.4 kg/m2 vs 24.8 ± 3 kg/m2; P = .008), a larger visceral segment aortic diameter (47.1 ± 7.5 mm vs 44.5 ± 7.5 mm; P = .016), and more TV-related endoleaks (18% vs 7%; P = .023) compared with those with degenerative TAAAs. Of the 99 patients with postdissection TAAAs, 327 renal-mesenteric arteries were revascularized using 12 scallops, 141 fenestrations, and 174 inner or outer branch stents. A total of 25 TV-related endoleaks were identified among 18 patients during follow-up, including 6 type Ic (retrograde from the distal end of the branch), 3 type IIIb (bridging stent fabric tear), and 16 type IIIc endoleaks (detachment or loose connection of the bridging stent). The patients with an endoleak had had a larger visceral aortic diameter (52.7 ± 6.4 mm vs 45.8 ± 7.2 mm; P < .001) and had undergone revascularization of more TVs (3.7 ± 0.7 vs 3.2 ± 0.9; P = .032). In contrast, true lumen compression did not seem to affect the occurrence of TV endoleaks (39% vs 27%; P = .323). The use of presewn branch stents in the fenestration position was associated with a lower risk of TV-related endoleaks (5% vs 11%; P = .025). In addition, TVs derived entirely or partially from the false lumen were more prone to the development of endoleaks after reconstruction (19% vs 4% [P < .001]; and 15% vs 4% [P = .047], respectively). CONCLUSIONS We found that patients with postdissection TAAAs were more likely to have TV-related endoleaks after F/BEVAR in the visceral region than those with degenerative TAAAs. Additionally, patients with a larger aortic diameter and a greater number of fenestrations in the visceral region were more likely to have experienced TV-related endoleaks. Branch vessels deriving from the false lumen were also more likely to develop endoleaks after reconstruction, and prefabricated branch stents were related to a lower possibility of TV-related endoleaks.
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Affiliation(s)
- Zhipeng Chen
- Department of Vascular Surgery, Affiliated Drum Tower Hospital, Medical School of Nanjing University, Nanjing, China
| | - Zhao Liu
- Department of Vascular Surgery, Affiliated Drum Tower Hospital, Medical School of Nanjing University, Nanjing, China
| | - Jing Cai
- Department of Vascular Surgery, Affiliated Drum Tower Hospital, Medical School of Nanjing University, Nanjing, China
| | - Cheng Liu
- Department of Vascular Surgery, Affiliated Drum Tower Hospital, Medical School of Nanjing University, Nanjing, China
| | - Zhigao Li
- Nanjing Drum Tower Hospital, Clinical College of Nanjing Medical University, Nanjing, China
| | - Heqian Liu
- Nanjing Drum Tower Hospital, Clinical College of Xuzhou Medical University, Nanjing, China
| | - Subinur Mamateli
- Department of Vascular Surgery, Affiliated Drum Tower Hospital, Medical School of Nanjing University, Nanjing, China
| | - Xiaochen Lv
- Department of Vascular Surgery, Affiliated Drum Tower Hospital, Medical School of Nanjing University, Nanjing, China
| | - Chen Liu
- Department of Vascular Surgery, Affiliated Drum Tower Hospital, Medical School of Nanjing University, Nanjing, China
| | - Feng Ran
- Department of Vascular Surgery, Affiliated Drum Tower Hospital, Medical School of Nanjing University, Nanjing, China
| | - Wei Wang
- Department of Vascular Surgery, Affiliated Drum Tower Hospital, Medical School of Nanjing University, Nanjing, China
| | - Ming Zhang
- Department of Vascular Surgery, Affiliated Drum Tower Hospital, Medical School of Nanjing University, Nanjing, China
| | - Xiaoqiang Li
- Department of Vascular Surgery, Affiliated Drum Tower Hospital, Medical School of Nanjing University, Nanjing, China
| | - Tong Qiao
- Department of Vascular Surgery, Affiliated Drum Tower Hospital, Medical School of Nanjing University, Nanjing, China.
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Yokoyama Y, Tsukagoshi J, Hamlin S, Takagi H, Kuno T, Takayama H. Endovascular therapy for Stanford B aortic dissection for patients with Marfan Syndrome: systematic review and meta-analysis. THE JOURNAL OF CARDIOVASCULAR SURGERY 2023; 64:41-47. [PMID: 36239929 DOI: 10.23736/s0021-9509.22.12441-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
INTRODUCTION The role of thoracic endovascular aortic repair (TEVAR) in patients with Marfan Syndrome with Stanford type B aortic dissection (TBAD) remains under debate. EVIDENCE ACQUISITION MEDLINE and EMBASE were searched through December 2021 to identify studies that investigated outcomes in MFS patients with TBAD who underwent TEVAR. Data regarding patient characteristics, perioperative and late outcomes were extracted. EVIDENCE SYNTHESIS Twelve studies were identified including 120 patients. The mean age was 40.2 years (95% confidence interval [CI], 36.8-43.6). 40.4% (95% CI: 10.8-70.0) of cases were performed emergently. 76.2% (95% CI: 64.6-87.8) of patients had a history of previous aortic surgery. In-hospital mortality was 3.7% (95% CI: 0.6-6.8). Primary endoleak occurred in 15.2% (95% CI: 8.6-21.8), which was comprised of type 1 (9.3% [95% CI: 3.9-14.6]) and type 2 (7.1% [95% CI: 2.3-12.0]) endoleaks. During mean follow-up period of 37.4 months (95% CI: 24.1-50.7), secondary endoleak was reported in 14.1% (95% CI: 7.1-21.1), which was comprised of type 1 (7.4% [95% CI: 2.4-12.5]) and type 2 (4.0% [95% CI: 0.3-7.7]) endoleak. Repeat TEVAR was performed in 15.5% (95% CI: 9.3-21.8) and open aortic surgery in 18.6% (95% CI: 9.6-27.5). Long-term mortality was 11.9% (95% CI: 6.5-17.3). CONCLUSIONS Our analysis showed that TEVAR for TBAD in patients with MFS has low perioperative morbidity and mortality but was associated with a high rate of late reintervention. This treatment option should be limited to emergent cases and to patients deemed unsuitable for open repair. Lifelong follow-up with imaging is mandatory in this population.
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Affiliation(s)
- Yujiro Yokoyama
- Department of Surgery, St. Luke's University Health Network, Fountain Hill, PA, USA
| | - Junji Tsukagoshi
- Department of Surgery, University of Texas Medical Branch, Galveston, TX, USA
| | - Sean Hamlin
- Department of Surgery, St. Luke's University Health Network, Fountain Hill, PA, USA
| | - Hisato Takagi
- Department of Cardiovascular Surgery, Shizuoka Medical Center, Shizuoka, Japan
| | - Toshiki Kuno
- Department of Cardiology, Montefiore Medical Center, Albert Einstein College of Medicine, New York, NY, USA
| | - Hiroo Takayama
- Department of Surgery, Columbia Medical Center, New Yourk, NY, USA -
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10
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Patrick RJ, Patrick R, Lucas S, VandenHull A, Reed V, Sengos J, Pohlson K, Kelly P. Treatment of thoracoabdominal aortic aneurysmal degeneration following aortic dissections at a single surgical center using a physician-assembled branched endovascular stent graft. Ann Vasc Surg 2023:S0890-5096(23)00002-X. [PMID: 36706948 DOI: 10.1016/j.avsg.2022.11.033] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Revised: 10/26/2022] [Accepted: 11/09/2022] [Indexed: 01/27/2023]
Abstract
OBJECTIVE Aneurysmal degeneration of aortic dissection portends significant morbidity and mortality consequences in the subacute and chronic phases of aortic dissection. This paper describes the use of a multi-branched stent graft system for the treatment of thoracoabdominal aneurysmal degeneration of dissections with visceral segment involvement and reports upon the 30-day and one-year outcomes for the first 18 patients treated with this design configuration. METHODS The in-hospital, 30-day and one-year morbidity and mortality outcomes of 18 consecutive patients treated with the physician-assembled visceral manifold or unitary manifold stent graft systems between 2013 and 2022 were evaluated. RESULTS A total of 18 patients were treated for aneurysmal changes after aortic dissection. A total of 71 visceral vessels were successfully stented. There were no acute procedural failures. There were no episodes of paraplegia, reinterventions for type I or III endoleaks, patency-related events or mortalities reported in the first 30 days following treatment. One-year, all-cause mortality demonstrated 2/11 (18.2%). CONCLUSIONS Aneurysmal degeneration of aortic dissection poses significant risks to patients with medically managed aortic dissections and those under surveillance. When these aneurysms develop in the thoracoabdominal region, treatment becomes even more challenging given the problem of visceral vessel patency, as these vessels can originate off the true or false lumens. The physician-designed endovascular stent graft system reported upon here has been successfully deployed in 18 patients with no acute procedural failures and promising clinical results. This treatment modality may offer utility to vascular surgeons whose patients with thoracoabdominal aneurysmal degeneration following aortic dissection have historically had limited endovascular repair prospects.
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Affiliation(s)
- Ryan J Patrick
- University of South Dakota, Sanford School of Medicine, 414 E Clark Street, Vermillion, SD, USA, 57069
| | - Rebecca Patrick
- University of South Dakota, Sanford School of Medicine, 414 E Clark Street, Vermillion, SD, USA, 57069
| | - Spencer Lucas
- University of South Dakota, Sanford School of Medicine, 414 E Clark Street, Vermillion, SD, USA, 57069
| | - Angela VandenHull
- Sanford Health, Innovations Department, 2301 E 60(th) Street North, Sioux Falls, SD, USA, 57104
| | - Valerie Reed
- Sanford Research, Department of Research Design and Biostatistics Core, 2301 E 60th Street North, Sioux Falls, SD, USA, 57104
| | - Joni Sengos
- Sanford Health, Department of Vascular Surgery Associates, 1305 W 18(th) Street, Sioux Falls, SD, USA, 57117
| | - Kathryn Pohlson
- Sanford Health, Innovations Department, 2301 E 60(th) Street North, Sioux Falls, SD, USA, 57104
| | - Patrick Kelly
- Sanford Health, Department of Vascular Surgery Associates, 1305 W 18(th) Street, Sioux Falls, SD, USA, 57117.
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11
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Oberhuber A, Raddatz A, Betge S, Ploenes C, Ito W, Janosi RA, Ott C, Langheim E, Czerny M, Puls R, Maßmann A, Zeyer K, Schelzig H. Interdisciplinary German clinical practice guidelines on the management of type B aortic dissection. GEFASSCHIRURGIE 2023; 28:1-28. [PMCID: PMC10123596 DOI: 10.1007/s00772-023-00995-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 02/14/2023] [Indexed: 08/13/2023]
Affiliation(s)
- A. Oberhuber
- German Society of Vascular Surgery and Vascular Medicine (DGG); Department of Vascular and Endovascular Surgery, University Hospital of Münster, Münster, Germany
| | - A. Raddatz
- German Society of Anaesthesiology and Intensive Care Medicine (DGAI); Department of Anaesthesiology, Critical Care and Pain Medicine, Saarland University Hospital, Homburg, Germany
| | - S. Betge
- German Society of Angiology and Vascular Medicine (DGG); Department of Internal Medicine and Angiology, Helios Hospital Salzgitter, Salzgitter, Germany
| | - C. Ploenes
- German Society of Geriatrics (DGG); Department of Angiology, Schön Klinik Düsseldorf, Düsseldorf, Germany
| | - W. Ito
- German Society of Internal Medicine (GSIM) (DGIM); cardiovascular center Oberallgäu Kempten, Hospital Kempten, Kempten, Germany
| | - R. A. Janosi
- German Cardiac Society (DGK); Department of Cardiology and Angiology, University Hospital Essen, Essen, Germany
| | - C. Ott
- German Society of Nephrology (DGfN); Department of Nephrology and Hypertension, Friedrich-Alexander University Erlangen-Nürnberg, Erlangen, Germany
- Department of Nephrology and Hypertension, Paracelsus Medical University, Nürnberg, Germany
| | - E. Langheim
- German Society of prevention and rehabilitation of cardiovascular diseaese (DGPR), Reha Center Seehof, Teltow, Germany
| | - M. Czerny
- German Society of Thoracic and Cardiovascular Surgery (DGTHG), Department University Heart Center Freiburg – Bad Krozingen, Freiburg, Germany
- Albert Ludwigs University Freiburg, Freiburg, Germany
| | - R. Puls
- German Radiologic Society (DRG); Institute of Diagnostic an Interventional Radiology and Neuroradiology, Helios Klinikum Erfurt, Erfurt, Germany
| | - A. Maßmann
- German Society of Interventional Radiology (DeGIR); Department of Diagnostic an Interventional Radiology, Saarland University Hospital, Homburg, Germany
| | - K. Zeyer
- Marfanhilfe e. V., Weiden, Germany
| | - H. Schelzig
- German Society of Surgery (DGCH); Department of Vascular and Endovascular Surgery, University Hospital of Düsseldorf, Düsseldorf, Germany
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12
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Chen Z, Fu D, Liu C, Jin Y, Pan C, Mamateli S, Lv X, Qiao T, Liu Z. Risk factors for target vessel endoleaks after physician-modified fenestrated or branched endovascular aortic arch repair: A retrospective study. Front Cardiovasc Med 2023; 10:1058440. [PMID: 37025680 PMCID: PMC10070968 DOI: 10.3389/fcvm.2023.1058440] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Accepted: 02/28/2023] [Indexed: 04/08/2023] Open
Abstract
Objective Fenestrated or branched endovascular aortic arch repair (fb-arch repair) is an effective option for treating complex aortic arch lesions, including thoracic aortic aneurysms and aortic dissections. However, the relatively high rate of re-intervention due to target vessel (TV)-related endoleaks have raised concerns. This study aimed to determine risk factors for TV-related endoleaks after fb-arch repair. Methods This was a retrospective analysis of all patients undergoing fb-arch repair between 2017 and 2021in nanjing drum tower hospital of China. All the patients underwent computed tomography angiography (CTA) before surgery; at discharge; and at 3 months, 6 months, and yearly post-discharge. All procedures are performed with physician modified grafts. Two experienced vascular surgeons used CTA and vascular angiography data to assess endoleaks. The study endpoints were mortality, aneurysm rupture, and emergence of and re-intervention for TV-related endoleaks. Results During the follow-up period, 218 patients underwent fb-arch repair. There were seven perioperative deaths and four deaths during follow-up (two myocardial infarctions and two malignancies). There were nine additional patients who were excluded from the study (two strokes, three with abnormal aortic arch anatomy, and four with insufficient clinical data). Among the 198 patients considered (mean age, 59 ± 13.3 years; 85% male), 309 branch arteries were revascularized. A total of 35 TV-related endoleaks were identified in 28 patients during a mean follow-up of 23 ± 14 months (median 23, IQR 26.3): six type Ic, 4 type IIIb, and 20 type IIIc endoleaks. Patients in the endoleak group had greater aortic arch segment diameters (43.1 ± 5.1 vs. 40.3 ± 4.7; P = 0.004) and a greater number of TVs revascularized (2.0 ± 0.8 vs. 1.5 ± 0.8; P = 0.004) than those in the non-endoleak group. However, the morphological classification of the aortic arch did not seem to affect the occurrence of TV endoleaks (13%, 14%, and 15% for type І, II, and III aortic arches, respectively; P = 0.957). Pre-sewing branch stents in the fenestration position reduced the risk of TV endoleaks (5% vs. 14%; P = 0.037). Additionally, in TVs affected by aortic aneurysm or dissection, the risk of endoleaks increased after reconstruction (17% vs. 8%; P = 0.018). The incidence of secondary TV-related endoleaks after fb-arch repair was 14.1%. Conclusion The data from this study showed that the incidence of secondary target vessel related endoleaks after fb-arch repair is approximately 14.1%. Additionally, patients with a larger aortic arch diameter or more revascularized arteries during surgery were at increased risk TV-related endoleaks. The target vessels originating from the false lumen or aneurysm sac are more prone to endoleaks after reconstruction. Finally, prefabricated branch stents reduced risk of TV-related endoleaks.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Zhao Liu
- Correspondence: Tong Qiao Zhao Liu
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13
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Isselbacher EM, Preventza O, Hamilton Black J, Augoustides JG, Beck AW, Bolen MA, Braverman AC, Bray BE, Brown-Zimmerman MM, Chen EP, Collins TJ, DeAnda A, Fanola CL, Girardi LN, Hicks CW, Hui DS, Schuyler Jones W, Kalahasti V, Kim KM, Milewicz DM, Oderich GS, Ogbechie L, Promes SB, Gyang Ross E, Schermerhorn ML, Singleton Times S, Tseng EE, Wang GJ, Woo YJ. 2022 ACC/AHA Guideline for the Diagnosis and Management of Aortic Disease: A Report of the American Heart Association/American College of Cardiology Joint Committee on Clinical Practice Guidelines. Circulation 2022; 146:e334-e482. [PMID: 36322642 PMCID: PMC9876736 DOI: 10.1161/cir.0000000000001106] [Citation(s) in RCA: 358] [Impact Index Per Article: 179.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
AIM The "2022 ACC/AHA Guideline for the Diagnosis and Management of Aortic Disease" provides recommendations to guide clinicians in the diagnosis, genetic evaluation and family screening, medical therapy, endovascular and surgical treatment, and long-term surveillance of patients with aortic disease across its multiple clinical presentation subsets (ie, asymptomatic, stable symptomatic, and acute aortic syndromes). METHODS A comprehensive literature search was conducted from January 2021 to April 2021, encompassing studies, reviews, and other evidence conducted on human subjects that were published in English from PubMed, EMBASE, the Cochrane Library, CINHL Complete, and other selected databases relevant to this guideline. Additional relevant studies, published through June 2022 during the guideline writing process, were also considered by the writing committee, where appropriate. Structure: Recommendations from previously published AHA/ACC guidelines on thoracic aortic disease, peripheral artery disease, and bicuspid aortic valve disease have been updated with new evidence to guide clinicians. In addition, new recommendations addressing comprehensive care for patients with aortic disease have been developed. There is added emphasis on the role of shared decision making, especially in the management of patients with aortic disease both before and during pregnancy. The is also an increased emphasis on the importance of institutional interventional volume and multidisciplinary aortic team expertise in the care of patients with aortic disease.
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Affiliation(s)
| | | | | | | | | | | | | | - Bruce E Bray
- AHA/ACC Joint Committee on Clinical Data Standards liaison
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Y Joseph Woo
- AHA/ACC Joint Committee on Clinical Practice Guidelines liaison
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14
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Isselbacher EM, Preventza O, Hamilton Black Iii J, Augoustides JG, Beck AW, Bolen MA, Braverman AC, Bray BE, Brown-Zimmerman MM, Chen EP, Collins TJ, DeAnda A, Fanola CL, Girardi LN, Hicks CW, Hui DS, Jones WS, Kalahasti V, Kim KM, Milewicz DM, Oderich GS, Ogbechie L, Promes SB, Ross EG, Schermerhorn ML, Times SS, Tseng EE, Wang GJ, Woo YJ. 2022 ACC/AHA Guideline for the Diagnosis and Management of Aortic Disease: A Report of the American Heart Association/American College of Cardiology Joint Committee on Clinical Practice Guidelines. J Am Coll Cardiol 2022; 80:e223-e393. [PMID: 36334952 PMCID: PMC9860464 DOI: 10.1016/j.jacc.2022.08.004] [Citation(s) in RCA: 114] [Impact Index Per Article: 57.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
AIM The "2022 ACC/AHA Guideline for the Diagnosis and Management of Aortic Disease" provides recommendations to guide clinicians in the diagnosis, genetic evaluation and family screening, medical therapy, endovascular and surgical treatment, and long-term surveillance of patients with aortic disease across its multiple clinical presentation subsets (ie, asymptomatic, stable symptomatic, and acute aortic syndromes). METHODS A comprehensive literature search was conducted from January 2021 to April 2021, encompassing studies, reviews, and other evidence conducted on human subjects that were published in English from PubMed, EMBASE, the Cochrane Library, CINHL Complete, and other selected databases relevant to this guideline. Additional relevant studies, published through June 2022 during the guideline writing process, were also considered by the writing committee, where appropriate. STRUCTURE Recommendations from previously published AHA/ACC guidelines on thoracic aortic disease, peripheral artery disease, and bicuspid aortic valve disease have been updated with new evidence to guide clinicians. In addition, new recommendations addressing comprehensive care for patients with aortic disease have been developed. There is added emphasis on the role of shared decision making, especially in the management of patients with aortic disease both before and during pregnancy. The is also an increased emphasis on the importance of institutional interventional volume and multidisciplinary aortic team expertise in the care of patients with aortic disease.
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15
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Gallitto E, Faggioli G, Melissano G, Fargion A, Isernia G, Bertoglio L, Simonte G, Lenti M, Pratesi C, Chiesa R, Gargiulo M. Fenestrated and Branched Endografts for Post-Dissection Thoraco-Abdominal Aneurysms: Results of a National Multicentre Study and Literature Review. Eur J Vasc Endovasc Surg 2022; 64:630-638. [PMID: 35764243 DOI: 10.1016/j.ejvs.2022.06.019] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Revised: 05/27/2022] [Accepted: 06/19/2022] [Indexed: 01/11/2023]
Abstract
OBJECTIVE Fenestrated and branched endografting (F/B-EVAR) has been proposed as an endovascular solution for chronic post-dissection thoraco-abdominal aneurysms (PD-TAAAs). The aim of this study was to analyse the experience of four high volume centres nationwide and the current available literature. METHODS Data on patients undergoing F/B-EVAR in four Italian academic centres between 2008 and 2019 were collected, and those from patients with PD-TAAAs were analysed retrospectively. Peri-operative morbidity and mortality were assessed as early outcomes. Survival, freedom from re-intervention (FFR), target visceral vessel (TVV) patency, and aortic remodelling were assessed as follow up outcomes. A MEDLINE search was performed for studies published from 2008 to 2020 reporting on F/B-EVAR in PD-TAAAs. RESULTS Among 351 patients who underwent F/B-EVAR for TAAAs, 37 (11%) had PD-TAAAs (Crawford's extent I-III: 35% - 95%). Overall, 135 TVVs (from true lumen 120; false lumen seven; both true and false lumen eight) were accommodated by fenestrations (96% - 71%) and branches (39% - 29%). Technical success (TS) was achieved in 34 (92%) cases with three failures due to endoleaks (Ia: 1; Ic: 1; III: 1). There were no 30 day deaths. No cases of permanent spinal cord ischaemia (SCI) were recorded and six (16%) patients suffered from transient deficits. Renal function worsening (eGFR < 30% than baseline) and pulmonary complications were reported in two (5%) and four (11%) cases, respectively. From the Kaplan-Meier analysis, three year survival, FFR, and TVV patency were 81%, 66%, and 97%, respectively. Radiological imaging was available for 30 (81%) patients at 12 months with complete false lumen thrombosis in 26 (87%). Two hundred and fifty-six patients were reported in seven published papers with TS, 30 day mortality, and SCI ranging from 99% to 100%, 0 to 6%, and 0 to 16%, respectively. The mean follow up ranged from 12 to 26 months, with estimated two year survival between 81% and 90% and a re-intervention rate between 19% and 53%. CONCLUSION F/B-EVAR is effective to treat PD-TAAAs. A high re-intervention rate is necessary to complete the aneurysm exclusion and promote aortic remodelling successfully.
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Affiliation(s)
- Enrico Gallitto
- Vascular Surgery, Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, IRCCS Sant'Orsola-Malpighi Hospital, Bologna, Italy.
| | - Gianluca Faggioli
- Vascular Surgery, Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, IRCCS Sant'Orsola-Malpighi Hospital, Bologna, Italy
| | - Germano Melissano
- Division of Vascular Surgery, Vita - Salute San Raffaele University, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Aaron Fargion
- Vascular Surgery, Department of Cardiothoracic and Vascular Surgery, Careggi University Teaching Hospital, University of Florence, Florence, Italy
| | - Giacomo Isernia
- Vascular and Endovascular Surgery Unit, Hospital S. Maria Misericordia, University of Perugia, Perugia, Italy
| | - Luca Bertoglio
- Division of Vascular Surgery, Vita - Salute San Raffaele University, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Gioele Simonte
- Vascular and Endovascular Surgery Unit, Hospital S. Maria Misericordia, University of Perugia, Perugia, Italy
| | - Massimo Lenti
- Vascular and Endovascular Surgery Unit, Hospital S. Maria Misericordia, University of Perugia, Perugia, Italy
| | - Carlo Pratesi
- Vascular Surgery, Department of Cardiothoracic and Vascular Surgery, Careggi University Teaching Hospital, University of Florence, Florence, Italy
| | - Roberto Chiesa
- Division of Vascular Surgery, Vita - Salute San Raffaele University, IRCCS San Raffaele Scientific Institute, Milan, Italy
| | - Mauro Gargiulo
- Vascular Surgery, Department of Experimental, Diagnostic and Specialty Medicine, University of Bologna, IRCCS Sant'Orsola-Malpighi Hospital, Bologna, Italy
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Shen J, Mastrodicasa D, Al Bulushi Y, Lin MC, Tse JR, Watkins AC, Lee JT, Fleischmann D. Thoracic Endovascular Aortic Repair for Chronic Type B Aortic Dissection: Pre- and Postprocedural Imaging. Radiographics 2022; 42:1638-1653. [PMID: 36190862 DOI: 10.1148/rg.220028] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Aortic dissection is a chronic disease that requires lifelong clinical and imaging surveillance, long after the acute event. Imaging has an important role in prognosis, timing of repair, device sizing, and monitoring for complications, especially in the endovascular therapy era. Important anatomic features at preprocedural imaging include the location of the primary intimal tear and aortic zonal and branch vessel involvement, which influence the treatment strategy. Challenges of repair in the chronic phase include a small true lumen in conjunction with a stiff intimal flap, complex anatomy, and retrograde perfusion from distal reentry tears. The role of thoracic endovascular aortic repair (TEVAR) remains controversial for treatment of chronic aortic dissection. Standard TEVAR is aimed at excluding the primary intimal tear to decrease false lumen perfusion, induce false lumen thrombosis, promote aortic remodeling, and prevent aortic growth. In addition to covering the primary intimal tear with an endograft, several adjunctive techniques have been developed to mitigate retrograde false lumen perfusion. These techniques are broadly categorized into false lumen obliteration and landing zone optimization strategies, such as the provisional extension to induce complete attachment (PETTICOAT), false lumen embolization, cheese-wire fenestration, and knickerbocker techniques. Familiarity with these techniques is important to recognize expected changes and complications at postintervention imaging. The authors detail imaging options, provide examples of simple and complex endovascular repairs of aortic dissections, and highlight complications that can be associated with various techniques. Online supplemental material is available for this article. ©RSNA, 2022.
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Affiliation(s)
- Jody Shen
- From the Departments of Radiology (J.S., D.M., Y.A.B., M.C.L., J.R.T., D.F.); Cardiothoracic Surgery (A.C.W.), and Vascular Surgery (J.T.L.), Stanford University School of Medicine, 453 Quarry Rd, Mail Code 5659, Palo Alto, CA 94304
| | - Domenico Mastrodicasa
- From the Departments of Radiology (J.S., D.M., Y.A.B., M.C.L., J.R.T., D.F.); Cardiothoracic Surgery (A.C.W.), and Vascular Surgery (J.T.L.), Stanford University School of Medicine, 453 Quarry Rd, Mail Code 5659, Palo Alto, CA 94304
| | - Yarab Al Bulushi
- From the Departments of Radiology (J.S., D.M., Y.A.B., M.C.L., J.R.T., D.F.); Cardiothoracic Surgery (A.C.W.), and Vascular Surgery (J.T.L.), Stanford University School of Medicine, 453 Quarry Rd, Mail Code 5659, Palo Alto, CA 94304
| | - Margaret C Lin
- From the Departments of Radiology (J.S., D.M., Y.A.B., M.C.L., J.R.T., D.F.); Cardiothoracic Surgery (A.C.W.), and Vascular Surgery (J.T.L.), Stanford University School of Medicine, 453 Quarry Rd, Mail Code 5659, Palo Alto, CA 94304
| | - Justin R Tse
- From the Departments of Radiology (J.S., D.M., Y.A.B., M.C.L., J.R.T., D.F.); Cardiothoracic Surgery (A.C.W.), and Vascular Surgery (J.T.L.), Stanford University School of Medicine, 453 Quarry Rd, Mail Code 5659, Palo Alto, CA 94304
| | - Amelia C Watkins
- From the Departments of Radiology (J.S., D.M., Y.A.B., M.C.L., J.R.T., D.F.); Cardiothoracic Surgery (A.C.W.), and Vascular Surgery (J.T.L.), Stanford University School of Medicine, 453 Quarry Rd, Mail Code 5659, Palo Alto, CA 94304
| | - Jason T Lee
- From the Departments of Radiology (J.S., D.M., Y.A.B., M.C.L., J.R.T., D.F.); Cardiothoracic Surgery (A.C.W.), and Vascular Surgery (J.T.L.), Stanford University School of Medicine, 453 Quarry Rd, Mail Code 5659, Palo Alto, CA 94304
| | - Dominik Fleischmann
- From the Departments of Radiology (J.S., D.M., Y.A.B., M.C.L., J.R.T., D.F.); Cardiothoracic Surgery (A.C.W.), and Vascular Surgery (J.T.L.), Stanford University School of Medicine, 453 Quarry Rd, Mail Code 5659, Palo Alto, CA 94304
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17
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Wang X, Zhu Q, He Y, Shang T, Xiang Y, Zeng Q, Li D, Wu Z, Tian L, Li Z, Zhang H. Mid-term Outcomes of Physician-Modified Fenestrated or Branched Endovascular Repair for Post-dissection Thoracoabdominal Aortic Aneurysms. Cardiovasc Intervent Radiol 2022; 45:1672-1681. [PMID: 35948803 DOI: 10.1007/s00270-022-03232-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Accepted: 07/16/2022] [Indexed: 12/01/2022]
Abstract
PURPOSE To report the early experience and mid-term outcomes of physician-modified fenestrated or branched endovascular repair (PM-F/BEVAR) for patients with post-dissection thoracoabdominal aortic aneurysm (PD-TAAA). METHODS PD-TAAA patients treated with PM-F/BEVAR between December 2014 and September 2020 in our institution were retrospectively analyzed. RESULTS Out of the 39 patients, technical success defined as successful deployment of all stent grafts with patent target vessels (TVs) and exclusion of the lesion without type I or III endoleak was achieved in 35 patients (89.7%). A total of 126 TVs were successfully reconstructed. Thirty-day mortality was 0%. Seven major adverse events occurred including one acute kidney injury, four renal infarctions, one retroperitoneal hematoma and one left renal artery occlusion. Seven type II endoleak and three type III endoleak were detected. During a mean 29.4 ± 15.5 months follow-up period, the mortality was zero. Three renal arteries and one external iliac artery occluded in four patients. No other new onset major adverse event occurred. No patient required reintervention. One type II endoleak spontaneously resolved, while the remaining six remained stable. One early type III endoleak diminished, and one new type III endoleak occurred at 2 months. The primary patency of TV was 96.8% (120/124). Shrinkage or stability of aneurysm diameter can be observed in 38 patients (97.4%). The false lumen thrombosis rate was 89.7% (35/39). CONCLUSIONS The present study showed encouraging results of PM-F/BEVAR for treatment of PD-TAAAs. LEVEL OF EVIDENCE Level 4, Case Series.
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Affiliation(s)
- Xiaohui Wang
- Department of Vascular Surgery, The First Affiliated Hospital, School of Medicine, Zhejiang University, 79# Qingchun Road, Hangzhou, 310003, Zhejiang, China
| | - Qianqian Zhu
- Department of Vascular Surgery, The First Affiliated Hospital, School of Medicine, Zhejiang University, 79# Qingchun Road, Hangzhou, 310003, Zhejiang, China
| | - Yangyan He
- Department of Vascular Surgery, The First Affiliated Hospital, School of Medicine, Zhejiang University, 79# Qingchun Road, Hangzhou, 310003, Zhejiang, China
| | - Tao Shang
- Department of Vascular Surgery, The First Affiliated Hospital, School of Medicine, Zhejiang University, 79# Qingchun Road, Hangzhou, 310003, Zhejiang, China
| | - Yilang Xiang
- Department of Vascular Surgery, The First Affiliated Hospital, School of Medicine, Zhejiang University, 79# Qingchun Road, Hangzhou, 310003, Zhejiang, China
| | - Qinglong Zeng
- Department of Vascular Surgery, The First Affiliated Hospital, School of Medicine, Zhejiang University, 79# Qingchun Road, Hangzhou, 310003, Zhejiang, China
| | - Donglin Li
- Department of Vascular Surgery, The First Affiliated Hospital, School of Medicine, Zhejiang University, 79# Qingchun Road, Hangzhou, 310003, Zhejiang, China
| | - Ziheng Wu
- Department of Vascular Surgery, The First Affiliated Hospital, School of Medicine, Zhejiang University, 79# Qingchun Road, Hangzhou, 310003, Zhejiang, China
| | - Lu Tian
- Department of Vascular Surgery, The First Affiliated Hospital, School of Medicine, Zhejiang University, 79# Qingchun Road, Hangzhou, 310003, Zhejiang, China
| | - Zhenjiang Li
- Department of Vascular Surgery, The First Affiliated Hospital, School of Medicine, Zhejiang University, 79# Qingchun Road, Hangzhou, 310003, Zhejiang, China.
| | - Hongkun Zhang
- Department of Vascular Surgery, The First Affiliated Hospital, School of Medicine, Zhejiang University, 79# Qingchun Road, Hangzhou, 310003, Zhejiang, China.
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de Marino PM, Ibraheem A, Tesinsky P, Jiries MA, Katsargyris A, Verhoeven EL. Fenestrated and branched stent grafts for the treatment of post-dissection thoracoabdominal aortic aneurysms. Semin Vasc Surg 2022; 35:312-319. [DOI: 10.1053/j.semvascsurg.2022.06.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Revised: 06/24/2022] [Accepted: 06/27/2022] [Indexed: 11/11/2022]
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19
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Burbelko M, Wagner HJ, Mahnken AH. [Chronic type B aortic dissection-what to do?]. RADIOLOGIE (HEIDELBERG, GERMANY) 2022; 62:556-562. [PMID: 35737001 DOI: 10.1007/s00117-022-01022-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 05/24/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND Chronic type B aortic dissection requires optimal medical therapy. However, secondary complications like organ or extremity malperfusion or development of aneurysmal dilatation require interventional therapy. OBJECTIVES Presentation of different endovascular treatment options for complications of chronic type B aortic dissection. MATERIALS AND METHODS Analysis of current literature with regard to indications, techniques, results, and differential indications of interventional techniques for the treatment of chronic type B aortic dissection complications. RESULTS Endovascular implantation of an aortic stent graft is interventional standard therapy for treatment of aneurysmal dilatation of the aorta following type B dissection. Technical problems are the proximal and distal landing zones and the treatment of persistent flow in the false lumen. CONCLUSION Endovascular treatment of chronic complicated type B aortic dissection is increasingly used compared to open surgical treatment because not only are more complex stent grafts (fenestrated and branched devices) available but also because of newly developed techniques for effective occlusion of flow in the false lumen (e.g., candy plug).
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Affiliation(s)
- Michael Burbelko
- Institut für Radiologie und Interventionelle Therapie, Vivantes Klinikum im Friedrichshain, Landsberger Allee 49, 10249, Berlin, Deutschland
| | - Hans-Joachim Wagner
- Institut für Radiologie und Interventionelle Therapie, Vivantes Klinikum im Friedrichshain, Landsberger Allee 49, 10249, Berlin, Deutschland.
| | - Andreas H Mahnken
- Klinik für Diagnostische und Interventionelle Radiologie, UKGM Marburg, Philipps-Universität Marburg, Marburg, Deutschland
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20
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Aortic remodeling after endovascular aortic repair and tailored distal entry tears exclusion in Crawford type III or IV dissection aneurysm. J Formos Med Assoc 2022; 121:2520-2526. [PMID: 35717417 DOI: 10.1016/j.jfma.2022.06.001] [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: 10/26/2021] [Revised: 05/23/2022] [Accepted: 06/01/2022] [Indexed: 11/22/2022] Open
Abstract
BACKGROUND Thoracic endovascular aortic repair (TEVAR) can only promote 55-80% false lumen (FL) thrombosis when only the proximal primary tear is covered during the repair of type B aortic dissection (TBAD). This study evaluated the effectiveness and clinical outcome of tailored exclusion of the primary entry tear with TEVAR and distal fenestrations with ancillary devices in patients with subacute or chronic Crawford type III and IV aortic dissection aneurysm. METHODS All patients underwent either TEVAR for primary entry tear; subsequently, various ancillary devices were applied on each distal fenestration. These techniques included covered stent occlusion of detached visceral artery entry tears, TL stenting and FL occlusion with vascular plugs in the common iliac artery dissection, or TEVAR coverage for multiple fenestrations from segmental arteries. This case series included nine patients (seven men and two women; mean age: 63.4 years) during January 2013 to May 2019. Outcome analysis included the rates of technical success and procedure-related complications, completeness of FL occlusion, aortic remodeling, and midterm mortality at 2 years. RESULTS The mean follow-up duration was 37.7 months without in-hospital mortality. One patient was lost to follow-up at the second month, the rest of patients were all alive during the follow-up period. All patients achieved complete FL thrombosis, and six patients exhibited aneurysm diameter shrinkage. CONCLUSION Tailored exclusion of visceral and iliac distal fenestrations with proximal primary tear coverage can promote FL thrombosis and aortic remodeling in the visceral aortic segment in patients with Crawford type III or IV aortic dissection aneurysm.
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21
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Li Y, Li Z, Feng J, Feng R, Zhou J, Jing Z. A Novel Solution for Distal Dilation of Chronic Dissection After Repair Involving Visceral Branches: The Road Block Strategy. Front Cardiovasc Med 2022; 9:821260. [PMID: 35355962 PMCID: PMC8959700 DOI: 10.3389/fcvm.2022.821260] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Accepted: 01/31/2022] [Indexed: 12/02/2022] Open
Abstract
Aim Notwithstanding that unprecedented endovascular progress has been achieved in recent years, it remains unclear what is the best strategy to preserve the blood perfusion of abdominal visceral arteries and promote positive aortic remodeling in patients with distal dilatation of chronic aortic dissection in abdominal visceral part (CADAV) after aortic repair. The present study developed a Road Block Strategy (RBS) to solve this conundrum. Methods and Results This prospective single-center clinical study included patients suffering from symptomatic distal dilatation of CADAV after aortic repair treated with RBS from January 2015 to December 2019 and followed up regularly for at least 2 years. Stent grafts were implanted first to cover distal tears and expand the true lumen. Device embolization was performed to induce proximal and distal segmental false lumen thrombosis (FLT) apart from the level of the ostia of vital branches. Successful RBS was performed in 13 patients. Significant differences were found in maximum true lumen diameter (p < 0.05), blood flow area in false lumen (FL) (p < 0.001), and the ratio of blood lumen to FL area (p < 0.05) between the pre-procedure and the latest follow-up results. No aortic rupture, vital branches occlusion, thoracic and abdominal pain, or death occurred during hospitalization and follow-up. Conclusions Our findings suggest that RBS is feasible in treating distal dilatation of chronic aortic dissection after prior proximal repair, inducing false lumen thrombosis, preventing deterioration of aortic dissection, and maintaining the patency of abdominal visceral arteries.
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Affiliation(s)
- Yiming Li
- Department of Cardiology, General Hospital of Northern Theater Command, Shenyang, China
- Endovascular Diagnosis and Treatment Center for Aortic Diseases, Department of Vascular Surgery, Changhai Hospital, Navy Medical University, Shanghai, China
| | - Zhenjiang Li
- Department of Vascular Surgery, The First Affiliated Hospital of the Medical School of Zhejiang University, Hangzhou, China
| | - Jiaxuan Feng
- Endovascular Diagnosis and Treatment Center for Aortic Diseases, Department of Vascular Surgery, Changhai Hospital, Navy Medical University, Shanghai, China
| | - Rui Feng
- Department of Vascular Surgery, Shanghai General Hospital, Affiliated to Shanghai Jiaotong University, Shanghai, China
| | - Jian Zhou
- Endovascular Diagnosis and Treatment Center for Aortic Diseases, Department of Vascular Surgery, Changhai Hospital, Navy Medical University, Shanghai, China
- *Correspondence: Zaiping Jing
| | - Zaiping Jing
- Endovascular Diagnosis and Treatment Center for Aortic Diseases, Department of Vascular Surgery, Changhai Hospital, Navy Medical University, Shanghai, China
- Jian Zhou
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22
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Fleischmann D, Afifi RO, Casanegra AI, Elefteriades JA, Gleason TG, Hanneman K, Roselli EE, Willemink MJ, Fischbein MP. Imaging and Surveillance of Chronic Aortic Dissection: A Scientific Statement From the American Heart Association. Circ Cardiovasc Imaging 2022; 15:e000075. [PMID: 35172599 DOI: 10.1161/hci.0000000000000075] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
All patients surviving an acute aortic dissection require continued lifelong surveillance of their diseased aorta. Late complications, driven predominantly by chronic false lumen degeneration and aneurysm formation, often require surgical, endovascular, or hybrid interventions to treat or prevent aortic rupture. Imaging plays a central role in the medical decision-making of patients with chronic aortic dissection. Accurate aortic diameter measurements and rigorous, systematic documentation of diameter changes over time with different imaging equipment and modalities pose a range of practical challenges in these complex patients. Currently, no guidelines or recommendations for imaging surveillance in patients with chronic aortic dissection exist. In this document, we present state-of-the-art imaging and measurement techniques for patients with chronic aortic dissection and clarify the need for standardized measurements and reporting for lifelong surveillance. We also examine the emerging role of imaging and computer simulations to predict aortic false lumen degeneration, remodeling, and biomechanical failure from morphological and hemodynamic features. These insights may improve risk stratification, individualize contemporary treatment options, and potentially aid in the conception of novel treatment strategies in the future.
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23
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OUP accepted manuscript. Br J Surg 2022; 109:810-811. [DOI: 10.1093/bjs/znac165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Accepted: 04/27/2022] [Indexed: 11/14/2022]
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Makhija RR, Mukherjee D. Endovascular therapies for Type B Aortic Dissection. Cardiovasc Hematol Disord Drug Targets 2021; 21:167-178. [PMID: 34565325 DOI: 10.2174/1871529x21666210924141446] [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: 02/26/2021] [Revised: 07/30/2021] [Accepted: 08/20/2021] [Indexed: 11/22/2022]
Abstract
Aortic dissection is a life-threatening condition resulting from a tear in the intimal layer of the aorta, requiring emergent diagnosis and prompt multi-disciplinary management strategy for best patient outcomes. While type A dissection involving ascending aorta is best managed surgically due to high early mortality, type B aortic dissection (TBAD) involving descending aorta generally has better outcomes with conservative management and medical therapy as primary strategy is favored. However, there has been a recent paradigm shift in management of TBAD due to late aneurysmal degeneration of TBAD increasing morbidity and mortality at longer-term. Late surgical intervention can be prevented by early endovascular intervention when combined with optimal medical therapy. In this narrative review, we explore available literature on different endovascular therapies for TBAD in different populations of patients.
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Affiliation(s)
- Rakhee R Makhija
- Division of Cardiovascular Medicine, Texas Tech University, El Paso. United States
| | - Debabrata Mukherjee
- Department of Internal Medicine, Division of Cardiovascular Medicine, Texas Tech University, El Paso, United States. United States
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25
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Speter C, Silverberg D, Segev T, Moshe H. Targeting fenestrations in an aortic aneurysm secondary to chronic type A or B dissections: a case series. JOURNAL OF VASCULAR SURGERY CASES INNOVATIONS AND TECHNIQUES 2021; 7:386-389. [PMID: 34278064 PMCID: PMC8261534 DOI: 10.1016/j.jvscit.2021.05.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Accepted: 05/21/2021] [Indexed: 12/03/2022]
Abstract
Using entry and re-entry analysis we report a simple technique designed to solely manage the fenestrations in an aortic aneurysm caused by chronic type A or B dissections. With meticulous computed tomography mapping of each fenestration, endovascular management can be customized to those areas only. Several cases are presented using this selective approach resulting in durable thrombosis of the false lumen. Targeted coverage of fenestrations in a chronic type B dissecting aneurysm is a feasible and effective management option resulting in reliable false lumen occlusion whilst maintaining visceral perfusion.
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Affiliation(s)
- Chen Speter
- Department of Vascular Surgery, Chaim Sheba Medical Center, Ramat Gan, Tel Aviv, Israel
| | - Daniel Silverberg
- Department of Vascular Surgery, Chaim Sheba Medical Center, Ramat Gan, Tel Aviv, Israel
| | - Tal Segev
- Department of Vascular Surgery, Chaim Sheba Medical Center, Ramat Gan, Tel Aviv, Israel
| | - Halak Moshe
- Department of Vascular Surgery, Chaim Sheba Medical Center, Ramat Gan, Tel Aviv, Israel
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26
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Verzini F, Gibello L, Varetto G, Frola E, Boero M, Porro L, Gattuso A, Peretti T, Rispoli P. Proportional meta-analysis of open surgery or fenestrated endograft repair for postdissection thoracoabdominal aneurysms. J Vasc Surg 2021; 74:1377-1385.e9. [PMID: 34019989 DOI: 10.1016/j.jvs.2021.04.053] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Accepted: 04/16/2021] [Indexed: 11/29/2022]
Abstract
OBJECTIVE To determine outcomes of postdissection thoracoabdominal aneurysms by either open or endovascular repair with fenestrated or branched endografts. METHODS A systematic review was conducted for open or endovascular repair of postdissection thoracoabdominal aneurysms, between January 2009 and February 2020. A meta-analysis was performed for postoperative complications and both early and late mortality and reinterventions. RESULTS Fifteen noncomparative studies (eight endovascular repair and seven open repair) were suitable for meta-analysis. Overall, 1337 patients were included, 1068 in the open repair group (73% male; mean age 58 years) and 269 in the endovascular repair group (79% male; mean age 65 years). The 30-day mortality was 6% for open repair vs 3% for endovascular repair (P = .35), whereas the 30-day reintervention rate was 3% for open repair vs 1% for endovascular repair (P = .66). The only significant difference was reported for 30-day respiratory complication rate (30% open repair vs 2% endovascular repair; P < .01). The incidence of spinal cord ischemia was 9% for open repair vs 8% for endovascular repair (P = .95). The mean follow-up was 44 months: 48 months (range, 10-72 months) after open repair and 17 months (range, 12-25 months) after endovascular repair (P < .01). Late aortic reinterventions were more frequent after endovascular repair (11% vs 32%; P < .001). The late overall mortality rate was 19% for open repair vs 7% for endovascular repair (P = .08), whereas aortic-related mortality was 7% for open repair vs 3% for endovascular repair (P = .22). CONCLUSIONS In the absence of comparative studies, this meta-analysis showed that endovascular repair seems to be a viable alternative for patients unfit for open repair.
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Affiliation(s)
- Fabio Verzini
- Unit of Vascular Surgery, Department of Surgical Sciences, University of Turin, AOU Città della Salute e della Scienza, Turin, Italy.
| | - Lorenzo Gibello
- Unit of Vascular Surgery, Department of Surgical Sciences, University of Turin, AOU Città della Salute e della Scienza, Turin, Italy
| | - Gianfranco Varetto
- Unit of Vascular Surgery, Department of Surgical Sciences, University of Turin, AOU Città della Salute e della Scienza, Turin, Italy
| | - Edoardo Frola
- Unit of Vascular Surgery, Department of Surgical Sciences, University of Turin, AOU Città della Salute e della Scienza, Turin, Italy
| | - Michele Boero
- Unit of Vascular Surgery, Department of Surgical Sciences, University of Turin, AOU Città della Salute e della Scienza, Turin, Italy
| | - Luca Porro
- Unit of Vascular Surgery, Department of Surgical Sciences, University of Turin, AOU Città della Salute e della Scienza, Turin, Italy
| | - Andrea Gattuso
- Unit of Vascular Surgery, Department of Surgical Sciences, University of Turin, AOU Città della Salute e della Scienza, Turin, Italy
| | - Tania Peretti
- Unit of Vascular Surgery, Department of Surgical Sciences, University of Turin, AOU Città della Salute e della Scienza, Turin, Italy
| | - Pietro Rispoli
- Unit of Vascular Surgery, Department of Surgical Sciences, University of Turin, AOU Città della Salute e della Scienza, Turin, Italy
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Yang G, Zhang M, Zhang Y, Du X, Qiao T, Li X, Zhou M. Endovascular Repair of Postdissection Aortic Aneurysms Using Physician-Modified Endografts. Ann Thorac Surg 2020; 112:1201-1208. [PMID: 33285129 DOI: 10.1016/j.athoracsur.2020.11.016] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Revised: 10/22/2020] [Accepted: 11/16/2020] [Indexed: 12/13/2022]
Abstract
BACKGROUND The purpose of this study was to report our experience and evaluate the technical and clinical outcomes of physician-modified endovascular aortic repair of chronic postdissection thoracoabdominal aortic aneurysms. METHODS A retrospective analysis of prospectively collected data of consecutive patients presenting with chronic postdissection aneurysms unfit for open surgery and treated by physician-modified stent grafts between January 2016 and December 2019 was conducted. Outcome data were collected retrospectively. Early outcomes included technical success, perioperative mortality, and major adverse events. Late outcomes included reintervention, false lumen thrombosis rate, aneurysm size regression, and survival. RESULTS Sixty-two patients (80.1% men with a mean age of 64 ± 9.9 years) were treated. The technical success was 98.3%. There was 1 (1.6%) death within 30 days. Perioperative major adverse events included respiratory failure (1.6%), spinal cord injury (0%), acute kidney injury (3.2%; 1 dialysis), bowel ischemia (1.6%), myocardial infarction (1.6%), and lower limb ischemia (1.6%). A reintervention was required in 6 (9.8%) patients. The false lumen thrombosis rates were 91.8% (n = 45 of 49) at 1-year follow-up. One patient died during follow-up from an aneurysm-related cause. The estimated overall survival rates were 98.4% and 96.8% at 6 months and 12 months, respectively. CONCLUSIONS The report confirmed the feasibility and safety of fenestrated and branched endovascular aortic repair in the setting of postdissection thoracoabdominal aortic aneurysms. Despite the associated perioperative risk and high probability of intended or unintended reintervention, the procedure could lead to favorable aortic remodeling.
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Affiliation(s)
- Guangmin Yang
- Department of Vascular Surgery, Drum Tower Hospital, School of Medicine, Nanjing University, Nanjing, Jiangsu, China
| | - Ming Zhang
- Department of Vascular Surgery, Drum Tower Hospital, School of Medicine, Nanjing University, Nanjing, Jiangsu, China
| | - Yepeng Zhang
- Department of Vascular Surgery, Drum Tower Hospital, School of Medicine, Nanjing University, Nanjing, Jiangsu, China
| | - Xiaolong Du
- Department of Vascular Surgery, Drum Tower Hospital, School of Medicine, Nanjing University, Nanjing, Jiangsu, China
| | - Tong Qiao
- Department of Vascular Surgery, Drum Tower Hospital, School of Medicine, Nanjing University, Nanjing, Jiangsu, China
| | - Xiaoqiang Li
- Department of Vascular Surgery, Drum Tower Hospital, School of Medicine, Nanjing University, Nanjing, Jiangsu, China
| | - Min Zhou
- Department of Vascular Surgery, Drum Tower Hospital, School of Medicine, Nanjing University, Nanjing, Jiangsu, China.
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28
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Kuzniar MK, Wanhainen A, Tegler G, Mani K. Endovascular treatment of chronic aortic dissection with fenestrated and branched stent grafts. J Vasc Surg 2020; 73:1573-1582.e1. [PMID: 33068767 DOI: 10.1016/j.jvs.2020.10.004] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Accepted: 10/06/2020] [Indexed: 01/31/2023]
Abstract
OBJECTIVE Chronic aortic dissection with aneurysm development that includes the aortic arch and/or thoracoabdominal aorta (TAAA) is traditionally treated with open or hybrid surgery. Total endovascular treatment with fenestrated and branched aortic repair (F/B-EVAR) has recently been introduced as a less invasive alternative. The aim was to report the short- and midterm outcomes from a single tertiary vascular center. METHODS All patients with chronic aortic dissection treated with F/B-EVAR from 2010 to 2019 at Uppsala University Hospital were identified. Perioperative and postoperative parameters were analyzed, with focus on short- (<30 days) and midterm survival, complication, and reintervention rates. RESULTS F/B-EVAR was performed on 26 patients (median age, 63 years; range, 33-87 years; 18 men; median aortic diameter, 70 mm; range, 50-98 mm); with a median follow-up of 23 months (range, 0.5-118.0 months). One patient underwent both arch and TAAA repair. Overall, 13 arch repairs (arch group) after type A (n = 8) and type B (n = 5) dissection (all elective) were performed, and 14 TAAA repairs (TAAA group) after type A (n = 5) and type B (n = 9) dissection (one rupture). A total of 72 aortic branches were targeted (22 arch, 50 TAAA). Short-term technical success was achieved in 24 of 27 procedures (89%). Failures were related to one intraoperative retrograde type A dissection (RTAD) requiring open conversion (arch group), one persistent type IC endoleak on completion angiography (arch group), and one persistent type III endoleak (TAAA group). Mortality was 4% (n = 1) at 30 days and related to a second RTAD that occurred after discharge and was found on autopsy. Both RTADs occurred in patients with chronic type B dissection undergoing fenestrated arch repair. Paraplegia occurred in three cases (two arch, one TAAA) (11%), none permanent, and stroke in three cases (one arch, one TAAA) (11%); one was permanent. In the midterm, endoleaks were detected in 12 patients (44%); persistent false lumen flow (n = 3), type IB (n = 1), type IC (n = 3), type II (n = 7), and type IIIC (n = 2). The 3-year survival (Kaplan-Meier) of the arch repair was 75% and for the TAAA, 93%. Freedom from reintervention at 3 years were 100% for arch repairs and 48% for TAAA. In patients with a follow-up of more than 6 months (n = 23), all had stable or decreased aortic diameters and complete false lumen thrombosis at the level of stent graft was present in 65% (n = 15). CONCLUSIONS Endovascular treatment of postdissection aneurysms is feasible, with acceptable short-term and midterm outcomes. RTAD after fenestrated and branched endovascular arch repair warrants caution when performed on patients with native ascending aortas, and reinterventions are frequent in TAAA repair.
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Affiliation(s)
- Marek K Kuzniar
- Section of Vascular Surgery, Department of Surgical Sciences, Uppsala University, Uppsala, Sweden.
| | - Anders Wanhainen
- Section of Vascular Surgery, Department of Surgical Sciences, Uppsala University, Uppsala, Sweden
| | - Gustaf Tegler
- Section of Vascular Surgery, Department of Surgical Sciences, Uppsala University, Uppsala, Sweden
| | - Kevin Mani
- Section of Vascular Surgery, Department of Surgical Sciences, Uppsala University, Uppsala, Sweden
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29
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Hamady M, Bicknell C. Challenges of Total Endovascular Repair of Chronic Type B Aortic Dissection. Cardiovasc Intervent Radiol 2020; 43:1735-1737. [PMID: 32895780 DOI: 10.1007/s00270-020-02628-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Accepted: 08/08/2020] [Indexed: 11/30/2022]
Affiliation(s)
- Mohamad Hamady
- Department of Interventional Radiology, St Mary's Hospital, Praed Street, Paddington, London, W2 1NY, UK. .,Department of Surgery and Cancer, Imperial College-London, London, W2 1NY, UK.
| | - Colin Bicknell
- Department of Surgery and Cancer, Imperial College-London, London, W2 1NY, UK.,Regional Vascular Unit, St Mary's Hospital, Praed Street, Paddington, London, W2 1NY, UK
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30
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Guo W, Rong D, Liu F, Ge Y, Zhang H, Ma X, Xiong J, Jia X, Liu X. Preclinical evaluation of an endovascular sealing device for distal re-entry tears in type B aortic dissection in a porcine model. Int J Cardiol 2020; 313:108-113. [PMID: 32305561 DOI: 10.1016/j.ijcard.2020.04.045] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/20/2019] [Revised: 04/01/2020] [Accepted: 04/15/2020] [Indexed: 10/24/2022]
Abstract
OBJECTIVES The objective of present study was to evaluate the feasibility and safety of a novel endovascular sealing device for distal re-entry tears in type B aortic dissection in a porcine model. BACKGROUND Distal re-entry tears are a well-recognized risk factor for unfavorable aortic remodeling after thoracic endovascular aortic repair. However, there is currently no device for sealing a distal re-entry tear. METHODS We implanted the ENDOPATCH device (Weiqiang Medical, Hangzhou, China) in 15 pigs (40-50 kg) under angiographic guidance. The device can be retrieved and repositioned with an 8-10 French sheath. All pigs were assessed using angiography before sacrifice 1- (n = 1), 3- (n = 1), and 6 months (n = 13) after implantation, which was followed by gross specimen evaluation and histological examination of harvested tissues. RESULTS The ENDOPATCH device was successfully implanted in all 15 pigs. The mean disk diameter of the implant was 10.3 ± 1.7 mm, and the chosen device was 4.4 ± 0.9 mm larger than the measured maximum diameter of the fistula. No device migration or leakage was observed angiographically, before sacrifice. An organized thrombus on the disk surface was found in the inferior vena cava of one pig. Complete sealing of the fistula was confirmed by gross and microscopic examinations in all pigs. CONCLUSIONS Our results indicated that the ENDOPATCH device is feasible and safe in a porcine model. Human studies are needed to evaluate the safety and efficacy of the ENDOPATCH.
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Affiliation(s)
- Wei Guo
- Department of Vascular and Endovascular Surgery, Chinese PLA General Hospital, Beijing, China.
| | - Dan Rong
- Department of Vascular and Endovascular Surgery, Chinese PLA General Hospital, Beijing, China
| | - Feng Liu
- Department of Vascular and Endovascular Surgery, Chinese PLA General Hospital, Beijing, China
| | - Yangyang Ge
- Department of Vascular and Endovascular Surgery, Chinese PLA General Hospital, Beijing, China
| | - Hongpeng Zhang
- Department of Vascular and Endovascular Surgery, Chinese PLA General Hospital, Beijing, China
| | - Xiaohui Ma
- Department of Vascular and Endovascular Surgery, Chinese PLA General Hospital, Beijing, China
| | - Jiang Xiong
- Department of Vascular and Endovascular Surgery, Chinese PLA General Hospital, Beijing, China
| | - Xin Jia
- Department of Vascular and Endovascular Surgery, Chinese PLA General Hospital, Beijing, China
| | - Xiaoping Liu
- Department of Vascular and Endovascular Surgery, Chinese PLA General Hospital, Beijing, China
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31
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Spanos K, Kölbel T. Role of Endoluminal Techniques in the Management of Chronic Type B Aortic Dissection. Cardiovasc Intervent Radiol 2020; 43:1808-1820. [PMID: 32601718 PMCID: PMC8490267 DOI: 10.1007/s00270-020-02566-7] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2019] [Accepted: 06/20/2020] [Indexed: 12/22/2022]
Abstract
In recent guidelines of international societies, the most frequent indication for treatment after chronic type B aortic dissection (cTBAD) is aneurysmal dilatation. Endovascular repair is recommended in patients with moderate to high surgical risk or with contraindications to open repair. During the last decade, many advances have been made in the field of endovascular techniques and devices. The aim of this article is to address the current status of endoluminal techniques for the management of cTBAD including standard thoracic endovascular repair, new devices, fenestrated and branched abdominal aortic devices and false lumen occlusion techniques.
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Affiliation(s)
- Konstantinos Spanos
- German Aortic Center Hamburg, Department of Vascular Medicine, University Heart Center, University Hospital Hamburg Eppendorf, Martinistr. 52, 20246, Hamburg, Germany.
| | - Tilo Kölbel
- German Aortic Center Hamburg, Department of Vascular Medicine, University Heart Center, University Hospital Hamburg Eppendorf, Martinistr. 52, 20246, Hamburg, Germany
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Reporting standards for endovascular aortic repair of aneurysms involving the renal-mesenteric arteries. J Vasc Surg 2020; 73:4S-52S. [PMID: 32615285 DOI: 10.1016/j.jvs.2020.06.011] [Citation(s) in RCA: 221] [Impact Index Per Article: 55.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2020] [Accepted: 06/05/2020] [Indexed: 12/14/2022]
Abstract
Endovascular aortic aneurysm repair of complex aortic aneurysms requires incorporation of side branches using specially designed aortic stent grafts with fenestrations, directional branches, or parallel stent grafts. These techniques have been increasingly used and reported in the literature. The purpose of this document is to clarify and to update terminology, classification systems, measurement techniques, and end point definitions that are recommended for reports dealing with endovascular repair of complex abdominal and thoracoabdominal aortic aneurysms involving the renal and mesenteric arteries.
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Edman NI, Bartek MA, Kang PC, Sweet MP. Anatomic Eligibility for Commercial Branched Endograft Repair of Thoracoabdominal Aortic Aneurysms. Ann Vasc Surg 2020; 70:481-490. [PMID: 32603844 DOI: 10.1016/j.avsg.2020.06.032] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Revised: 06/15/2020] [Accepted: 06/15/2020] [Indexed: 01/15/2023]
Abstract
BACKGROUND First-generation "off-the-shelf" branched endovascular stent grafts are in development for treatment of thoracoabdominal aortic aneurysms (TAAAs). Prior studies have assessed eligibility rates among highly selected cohorts of patients referred for endovascular treatment, and the broader applicability of these devices to all patients with TAAA is unknown. The aims of this study were to assess the overall suitability of the 3 commercial 4-branched devices with or without adjunct procedure(s) in an unselected cohort of patients with TAAA and to identify areas for improvement in the next generation of devices. METHODS A retrospective review of three-dimensional centerline reconstructions of contrast-enhanced computed tomography (CT) imaging was performed in consecutive patients with TAAA seen between 2013 and 2017. All patients with contrast-enhanced CT imaging were included, regardless of prior evaluation for suitability for endovascular repair. Eligibility for a device was assessed based on instructions for use (IFU) from the device manufacturer along with prespecified anatomic criteria. Adjunct procedures were defined as carotid-subclavian revascularization, target vessel endovascular intervention, and iliac conduit/revascularization. RESULTS Of 165 patients with TAAA, 122 had CT scans adequate for study inclusion. Eighteen patients (14.8%) were eligible for at least 1 device by IFU, and 41 (33.6%) could have been made eligible for at least 1 device by an adjunct procedure. Sixty-three (51.6%) were not eligible for any device within IFU even with adjunct procedures, including 31 of 32 patients with TAAA due to dissection. The most common reasons for ineligibility were perivisceral flow channel diameter <20 mm (n = 43) and an inadequate proximal seal zone (n = 29). Women were significantly less likely to be eligible for an off-the-shelf device (P = 0.03) and were more likely to require an iliac procedure to become eligible (P = 0.006). Almost none of the patients with dissection could receive a device even if adjunct procedures were used. CONCLUSIONS Over half of patients with TAAA could not be made eligible for an off-the-shelf device based on manufacturers' criteria, even with adjunct procedures. Women and patients with TAAA due to dissection had higher rates of ineligibility. These data demonstrate that custom fenestrated devices and low-profile devices are needed to expand eligibility for endovascular repair of TAAA.
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Affiliation(s)
- Natasha I Edman
- Division of Vascular Surgery, Department of Surgery, University of Washington, Seattle, WA
| | - Matthew A Bartek
- Division of Vascular Surgery, Department of Surgery, University of Washington, Seattle, WA
| | - P Chulhi Kang
- Division of Vascular Surgery, Department of Surgery, University of Washington, Seattle, WA
| | - Matthew P Sweet
- Division of Vascular Surgery, Department of Surgery, University of Washington, Seattle, WA.
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Magee GA, Yi JA, Kuwayama DP. Intercostal artery embolization to induce false lumen thrombosis in type B aortic dissection. JOURNAL OF VASCULAR SURGERY CASES INNOVATIONS AND TECHNIQUES 2020; 6:433-437. [PMID: 32775849 PMCID: PMC7396825 DOI: 10.1016/j.jvscit.2020.05.012] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/04/2020] [Accepted: 05/14/2020] [Indexed: 11/16/2022]
Abstract
Persistent false lumen flow is common after thoracic endovascular aortic repair of type B aortic dissection and may contribute to continued aortic aneurysmal degeneration. We report an innovative technique of intercostal artery embolization within the false lumen for a patient who had incomplete false lumen thrombosis and progressive aortic enlargement after thoracic endovascular aortic repair of chronic type B aortic dissection. Technical success was facilitated by use of on-table cone beam computed tomography angiography, virtual vessel marking, and modern endovascular tools. The patient had no complications from the procedure. Postoperative imaging demonstrated complete thoracic false lumen thrombosis and favorable aortic remodeling with reduction in maximal aortic diameter.
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Affiliation(s)
- Gregory A. Magee
- Division of Vascular Surgery and Endovascular Therapy, Department of Surgery, Keck Medical Center of University of Southern California, Los Angeles, Calif
- Correspondence: Gregory A. Magee, MD, MSc, Division of Vascular Surgery and Endovascular Therapy, Department of Surgery, Keck Medical Center of University of Southern California, 1520 San Pablo St, Ste 4300, Los Angeles, CA 90033
| | - Jeniann A. Yi
- Division of Vascular Surgery and Endovascular Therapy, Department of Surgery, University of Colorado, Aurora, Colo
| | - David P. Kuwayama
- Section of Vascular Surgery, Department of Surgery, Dartmouth-Hitchcock Medical Center, Lebanon, NH
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Verzini F, Ferrer C, Parlani G, Coscarella C, Giudice R, Frola E, Ruffino MA, Varetto G, Gibello L. Mid-Term Outcomes of Complex Endografting for Chronic Post-Dissection Thoracoabdominal Aortic Aneurysms. Cardiovasc Intervent Radiol 2020; 43:1440-1448. [PMID: 32556604 DOI: 10.1007/s00270-020-02555-w] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Accepted: 06/04/2020] [Indexed: 12/30/2022]
Abstract
PURPOSE To report early and mid-term results of post-aortic dissection thoracoabdominal aneurysms (pD-TAAA) treated by complex endografting in three tertiary referral hospitals. MATERIALS AND METHODS A review of all patients with pD-TAAA unfit for open surgery treated with complex endovascular repair from 2012 to 2018 was performed. Simple thoracic endografts (TEVAR) were excluded. Staged procedures in case of extensive aortic coverage were always planned. RESULTS In total, 21 patients (16 males, mean age 63 ± 10 years) with pD-TAAA underwent aortic repair by fenestrated or branched thoracoabdominal endografts for visceral vessels. Mean TAAA diameter was 61 ± 6.2 mm. Spinal cord drainage was performed in all patients. A staged approach was used in 12 (57%) cases. Technical success was achieved in 18 (86%) patients. No in-hospital deaths occurred. Two patients experienced transient post-procedural spinal cord ischemia. At 30 days, six type II endoleaks (29%), two type Ic endoleak (9.5%) and one type IIIc endoleak (5%) were reported. At a mean follow-up of 23 ± 13 months, no late aortic-related deaths occurred. Three patients underwent reintervention for type Ic and IIIc endoleaks. No visceral vessel occlusion was observed. Estimated freedom from reintervention at 12 and 24 months was 85.7 ± 0.7%. In 13 cases, TAAA diameter decreased at least 5 mm, while increased > 5 mm in only one case. Complete false lumen thrombosis was achieved in 18 patients (86%). CONCLUSION Complex endografting for pD-TAAA showed favorable mid-term results. Staged and carefully planned endovascular procedures may represent a safe and effective therapeutic option in patients deemed at high risk of open repair.
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Affiliation(s)
- Fabio Verzini
- Unit of Vascular Surgery, Department of Surgical Sciences, AOU Città della Salute e della Scienza, University of Turin, Corso Dogliotti 14, 10126, Turin, Italy.
| | - Ciro Ferrer
- Vascular and Endovascular Surgery Unit, S Giovanni-Addolorata Hospital, Rome, Italy
| | | | - Carlo Coscarella
- Vascular and Endovascular Surgery Unit, S Giovanni-Addolorata Hospital, Rome, Italy
| | - Rocco Giudice
- Vascular and Endovascular Surgery Unit, S Giovanni-Addolorata Hospital, Rome, Italy
| | - Edoardo Frola
- Unit of Vascular Surgery, Department of Surgical Sciences, AOU Città della Salute e della Scienza, University of Turin, Corso Dogliotti 14, 10126, Turin, Italy
| | - Maria Antonella Ruffino
- Vascular Radiology, Department of Diagnostic Imaging and Radiotherapy, AOU Città della Salute e della Scienza, Turin, Italy
| | - Gianfranco Varetto
- Unit of Vascular Surgery, Department of Surgical Sciences, AOU Città della Salute e della Scienza, University of Turin, Corso Dogliotti 14, 10126, Turin, Italy
| | - Lorenzo Gibello
- Unit of Vascular Surgery, Department of Surgical Sciences, AOU Città della Salute e della Scienza, University of Turin, Corso Dogliotti 14, 10126, Turin, Italy
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Miletic KG, Kindzelski BA, Hodges KE, Beach J, Tong MZ, Bakaeen F, Johnston DR, Desai M, Lyden S, Roselli EE. Impact of Endovascular False Lumen Embolization on Thoracic Aortic Remodeling in Chronic Dissection. Ann Thorac Surg 2020; 111:495-501. [PMID: 32525030 DOI: 10.1016/j.athoracsur.2020.04.093] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/10/2019] [Revised: 03/14/2020] [Accepted: 04/13/2020] [Indexed: 10/24/2022]
Abstract
BACKGROUND Retrograde false lumen (FL) perfusion after thoracic endovascular aortic repair (TEVAR) for chronic dissection is a mode of treatment failure. Thrombosis of the FL is associated with favorable reverse remodeling. Objectives are to describe FL embolization (FLE) strategy and assess aortic remodeling and survival. METHODS From January 2009 to December 2017, 51 patients with chronic dissection underwent FLE, most after previous TEVAR. Devices included a combination of iliac plug (29 patients), coils (19 patients), or nitinol plug (3 patients). Computed tomography was performed before discharge, at 3 months, and annually (median follow-up 2 years [range, 1 month to 7 years]). RESULTS After FLE, mean maximum aortic diameter decreased (64.2 ± 12 mm to 61.0 ± 13 mm; P = .03), true lumen diameter increased (24.7 ± 10 mm to 33.7 ± 8 mm; P < .001), and FL diameter decreased (36.7 ± 12 mm to 25.6 ± 15 mm, P < .001). For reverse remodeling, FL thrombosis with ≥10% decrease in diameter and ≥10% increase in true lumen diameter was achieved in 20 (39.2%; 16 primarily, 4 secondarily). Nine patients progressed after the first FLE: persistent FL flow with increase in aortic diameter and underwent repeat FLE with complete thrombosis (n = 4) or open thoracoabdominal completion (n = 5). A total of 26 patients had indeterminate response (FL thrombosis without change in maximum diameter), and none have required reoperation. Six patients had complete obliteration of the entire FL. At last follow-up, 42 (82%) patients were alive. Three deaths were related to aortic pathology. CONCLUSIONS FLE is an important endovascular adjunct to TEVAR promoting reverse aortic remodeling in select patients with chronic aortic dissection and persistent retrograde FL perfusion.
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Affiliation(s)
- Kyle G Miletic
- Department of Thoracic and Cardiovascular Surgery, Heart Vascular and Thoracic Institute, Cleveland Clinic, Cleveland, Ohio
| | - Bogdan A Kindzelski
- Department of Thoracic and Cardiovascular Surgery, Heart Vascular and Thoracic Institute, Cleveland Clinic, Cleveland, Ohio
| | - Kevin E Hodges
- Department of Thoracic and Cardiovascular Surgery, Heart Vascular and Thoracic Institute, Cleveland Clinic, Cleveland, Ohio
| | - Jocelyn Beach
- Department of Vascular Surgery, Heart Vascular and Thoracic Institute, Cleveland Clinic, Cleveland, Ohio
| | - Michael Z Tong
- Department of Thoracic and Cardiovascular Surgery, Heart Vascular and Thoracic Institute, Cleveland Clinic, Cleveland, Ohio; Aorta Center, Heart Vascular and Thoracic Institute, Cleveland Clinic, Cleveland, Ohio
| | - Faisal Bakaeen
- Department of Thoracic and Cardiovascular Surgery, Heart Vascular and Thoracic Institute, Cleveland Clinic, Cleveland, Ohio; Aorta Center, Heart Vascular and Thoracic Institute, Cleveland Clinic, Cleveland, Ohio
| | - Douglas R Johnston
- Department of Thoracic and Cardiovascular Surgery, Heart Vascular and Thoracic Institute, Cleveland Clinic, Cleveland, Ohio; Aorta Center, Heart Vascular and Thoracic Institute, Cleveland Clinic, Cleveland, Ohio
| | - Milind Desai
- Aorta Center, Heart Vascular and Thoracic Institute, Cleveland Clinic, Cleveland, Ohio; Department of Cardiology, Heart Vascular and Thoracic Institute, Cleveland Clinic, Cleveland, Ohio
| | - Sean Lyden
- Department of Vascular Surgery, Heart Vascular and Thoracic Institute, Cleveland Clinic, Cleveland, Ohio; Aorta Center, Heart Vascular and Thoracic Institute, Cleveland Clinic, Cleveland, Ohio
| | - Eric E Roselli
- Department of Thoracic and Cardiovascular Surgery, Heart Vascular and Thoracic Institute, Cleveland Clinic, Cleveland, Ohio; Aorta Center, Heart Vascular and Thoracic Institute, Cleveland Clinic, Cleveland, Ohio.
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Tsilimparis N, Haulon S, Spanos K, Rohlffs F, Heidemann F, Resch T, Dias N, Kölbel T. Combined fenestrated-branched endovascular repair of the aortic arch and the thoracoabdominal aorta. J Vasc Surg 2020; 71:1825-1833. [DOI: 10.1016/j.jvs.2019.08.261] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2019] [Accepted: 08/16/2019] [Indexed: 11/17/2022]
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He Y, Jia S, Sun G, Cao L, Wang X, Zhang H, Jia X, Ma X, Xiong J, Liu X, Guo W. Fenestrated/Branched Endovascular Repair for Postdissection Thoracoabdominal Aneurysms: A Systematic Review with Pooled Data Analysis. Vasc Endovascular Surg 2020; 54:510-518. [PMID: 32436464 DOI: 10.1177/1538574420927131] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
PURPOSE Patients who have survived an acute aortic dissection remain at risk for postdissection thoracoabdominal aortic aneurysms (PD-TAAAs). Fenestrated/branched endovascular repair for PD-TAAA is increasingly used in some high-volume centers, but outcomes are still limited because of the additional challenges compared to atherosclerotic thoracoabdominal aneurysms. This study was performed to evaluate the literature on fenestrated/branched endovascular repair for PD-TAAAs. METHODS PubMed, Embase, and the Cochrane Database were searched for relevant studies published until September 2019. Outcome data were extracted to evaluate the technical success, 30-day mortality, later survival, major complications, endoleaks, target vessel patency, and reintervention. Studies were analyzed in a pooled proportion meta-analysis. RESULTS In total, 143 patients from 4 studies were identified for the pooled data analysis. The pooled technical success rate was 98% (95% CI: 86%-100%). After the treatment, the overall estimated 30-day mortality rate was 3% (95% CI: 1%-8%), early spinal cord ischemia rate was 10% (95% CI: 4%-21%), early renal injury rate was 5% (95% CI: 1%-19%), endoleak rate was 33% (95% CI: 22%-47%), reintervention rate at a median follow-up of 22.5 months was 34% (95% CI: 27%-42%), and all-cause mortality rate was 12% (95% CI: 6%-24%). CONCLUSIONS The use of fenestrated/branched stent grafts for the treatment of PD-TAAA appears generally feasible based on the limited literature, but endoleaks and reinterventions are frequent.
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Affiliation(s)
- Yuan He
- Department of Vascular Surgery, Chinese PLA General Hospital, Haidian District, Beijing, People's Republic of China
| | - Senhao Jia
- Department of Vascular Surgery, Chinese PLA General Hospital, Haidian District, Beijing, People's Republic of China
| | - Guoyi Sun
- Department of Vascular Surgery, Chinese PLA General Hospital, Haidian District, Beijing, People's Republic of China
| | - Long Cao
- Department of Vascular Surgery, Chinese PLA General Hospital, Haidian District, Beijing, People's Republic of China.,Department of General Surgery, Chinese PLA No. 983 Hospital, Hebei District, Tianjin, People's Republic of China
| | - Xinhao Wang
- Department of Vascular Surgery, Chinese PLA General Hospital, Haidian District, Beijing, People's Republic of China
| | - Hongpeng Zhang
- Department of Vascular Surgery, Chinese PLA General Hospital, Haidian District, Beijing, People's Republic of China
| | - Xin Jia
- Department of Vascular Surgery, Chinese PLA General Hospital, Haidian District, Beijing, People's Republic of China
| | - Xiaohui Ma
- Department of Vascular Surgery, Chinese PLA General Hospital, Haidian District, Beijing, People's Republic of China
| | - Jiang Xiong
- Department of Vascular Surgery, Chinese PLA General Hospital, Haidian District, Beijing, People's Republic of China
| | - Xiaoping Liu
- Department of Vascular Surgery, Chinese PLA General Hospital, Haidian District, Beijing, People's Republic of China
| | - Wei Guo
- Department of Vascular Surgery, Chinese PLA General Hospital, Haidian District, Beijing, People's Republic of China
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Tenorio ER, Lima GB, Marcondes GB, Oderich GS. Sizing and planning fenestrated and branched stent-grafts in patients with chronic post-dissection thoracoabdominal aortic aneurysms. THE JOURNAL OF CARDIOVASCULAR SURGERY 2020; 61:416-426. [PMID: 32319275 DOI: 10.23736/s0021-9509.20.11365-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Fenestrated-branched endovascular repair (FB-EVAR) has been widely applied to treat chronic post-dissection thoracoabdominal aortic aneurysms (TAAAs) with favorable outcomes. A recent multicenter experience indicates that outcomes of FB-EVAR for chronic post-dissection are comparable to degenerative TAAAs. Anatomical and technical pitfalls are different than degenerative aneurysms because of true lumen compression, separate target vessel origin from true or false lumen and possible extension of dissection flaps into the renal and mesenteric vessels. This article focuses on planning and sizing FB-EVAR in patients with chronic post-dissection TAAAs.
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Affiliation(s)
- Emanuel R Tenorio
- Division of Vascular and Endovascular Surgery, Mayo Clinic, Rochester MN, USA
| | - Guilherme B Lima
- Division of Vascular and Endovascular Surgery, Mayo Clinic, Rochester MN, USA
| | | | - Gustavo S Oderich
- Division of Vascular and Endovascular Surgery, Mayo Clinic, Rochester MN, USA -
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Marques De Marino P, Ibraheem A, Gafur N, Verhoeven EL, Katsargyris A. Outcomes of fenestrated and branched endovascular aortic repair for chronic post-dissection thoracoabdominal aortic aneurysms. THE JOURNAL OF CARDIOVASCULAR SURGERY 2020; 61:427-434. [PMID: 32319276 DOI: 10.23736/s0021-9509.20.11367-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
BACKGROUND Aneurysmal degeneration after acute dissection occurs in a significant proportion of patients. Fenestrated and branched stent-grafting (F/BEVAR) has been increasingly used to treat these post-dissection thoracoabdominal aortic aneurysms (PD-TAAA). The aim of this study was to report early and mid-term outcomes of F/BEVAR in PD-TAAA. METHODS Retrospective single center analysis of a prospectively maintained database including all patients undergoing F/BEVAR for PD-TAAA between October 2010-February 2020. RESULTS Fifty-five patients (45 males, mean age 66±10 years) were included. Technical success was achieved in all patients. Thirty-day mortality was two (3.6%) patients. Major perioperative complications were noted in nine (16.4%) patients including five (9.1%) with transient spinal cord ischemia (SCI) and one (1.8%) with permanent paraplegia. Mean follow-up was 24 months (1-76 months). Cumulative survival rates at 12, 24 and 36 months were 87±5.5%, 83.5±6.3% and 72.2±8.1%, respectively. Estimated freedom from reintervention at 12, 24 and 36 months was 82.2±6.7%, 60.1±9.2% and 55.9±9.5%, respectively. Main reasons for reintervention were endoleaks from target vessels and common iliac arteries. Estimated target vessel patency at 12, 24 and 36 months was 97.8±1.2%, 95.4±2.1%, and 94.1±2.4%, respectively. Mean aneurysm sac regression during follow-up was 7.9±7.1 mm, with complete false lumen thrombosis in 80% of patients. No ruptures occurred during follow-up. CONCLUSIONS F/BEVAR for PD-TAAA is associated with low perioperative mortality and morbidity in a large volume endovascular center. Mid-term results demonstrate a high rate of aneurysm sac regression. Extended sealing with longer bridging stents for target vessels is recommended.
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Affiliation(s)
- Pablo Marques De Marino
- Department of Vascular and Endovascular Surgery, Klinikum Nuremberg, Paracelsus Medical University, Nuremberg, Germany
| | - Anas Ibraheem
- Department of Vascular and Endovascular Surgery, Klinikum Nuremberg, Paracelsus Medical University, Nuremberg, Germany
| | - Nargis Gafur
- Department of Vascular and Endovascular Surgery, Klinikum Nuremberg, Paracelsus Medical University, Nuremberg, Germany
| | - Eric L Verhoeven
- Department of Vascular and Endovascular Surgery, Klinikum Nuremberg, Paracelsus Medical University, Nuremberg, Germany
| | - Athanasios Katsargyris
- Department of Vascular and Endovascular Surgery, Klinikum Nuremberg, Paracelsus Medical University, Nuremberg, Germany -
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He Y, Zhang H, Sun G, Cao L, Wang X, Ge Y, Liu X, Jia X, Ma X, Xiong J, Wu Y, Wei R, Jia S, Guo W. Application of a Reversed Off-the-Shelf Iliac Branched Device Stent in Revascularization of the Renal Artery Originating from the False Lumen. Ann Vasc Surg 2020; 67:569.e1-569.e7. [PMID: 32234399 DOI: 10.1016/j.avsg.2020.03.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2020] [Revised: 03/12/2020] [Accepted: 03/14/2020] [Indexed: 10/24/2022]
Abstract
Fenestrated/branched endovascular aneurysm repair is a feasible and effective treatment option for patients with postdissection thoracoabdominal/abdominal aneurysm. However, this technique is cumbersome when the target vessel originates from the false lumen. We herein report our primary experiences in utilizing a reversed off-the-shelf iliac branched device (IBD) stent to reconstruct the renal artery originating from the false lumen. This technique was performed in 3 patients (all men; 49, 46, and 45 years old) in our center. After deployment of the main aortic endograft, the distal re-entry in the common iliac artery was dilated by a balloon. The off-the-shelf IBD was then reversely deployed to allow for deployment of the bridging stent graft. Finally, the IBD and the bridging stents were assembled and the IBD was connected to the main graft. No migration of the IBDs occurred, and all target vessels remained patent during follow-up. Utilization of a reversed off-the-shelf IBD for the renal artery originating from the false lumen is a feasible option, especially for patients with specific anatomical characteristics of postdissection aortic aneurysms.
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Affiliation(s)
- Yuan He
- Department of Vascular Surgery, Chinese PLA General Hospital, Beijing, People's Republic of China
| | - Hongpeng Zhang
- Department of Vascular Surgery, Chinese PLA General Hospital, Beijing, People's Republic of China
| | - Guoyi Sun
- Department of Vascular Surgery, Chinese PLA General Hospital, Beijing, People's Republic of China
| | - Long Cao
- Department of General Surgery, Chinese PLA No. 983 Hospital, Tianjin, People's Republic of China
| | - Xinhao Wang
- Department of Vascular Surgery, Chinese PLA General Hospital, Beijing, People's Republic of China
| | - Yangyang Ge
- Department of Vascular Surgery, Chinese PLA General Hospital, Beijing, People's Republic of China
| | - Xiaoping Liu
- Department of Vascular Surgery, Chinese PLA General Hospital, Beijing, People's Republic of China
| | - Xin Jia
- Department of Vascular Surgery, Chinese PLA General Hospital, Beijing, People's Republic of China
| | - Xiaohui Ma
- Department of Vascular Surgery, Chinese PLA General Hospital, Beijing, People's Republic of China
| | - Jiang Xiong
- Department of Vascular Surgery, Chinese PLA General Hospital, Beijing, People's Republic of China
| | - Ye Wu
- Department of Vascular Surgery, Chinese PLA General Hospital, Beijing, People's Republic of China
| | - Ren Wei
- Department of Vascular Surgery, Chinese PLA General Hospital, Beijing, People's Republic of China
| | - Senhao Jia
- Department of Vascular Surgery, Chinese PLA General Hospital, Beijing, People's Republic of China
| | - Wei Guo
- Department of Vascular Surgery, Chinese PLA General Hospital, Beijing, People's Republic of China.
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Carta N, Salvati S, Melissano G, Chiesa R, Bertoglio L. Staged Fenestrated/Branched Repair of Postdissecting Thoracoabdominal Aneurysm With Candy-Plug False Lumen Occlusion for Spinal Cord Preconditioning. J Endovasc Ther 2020; 27:221-227. [DOI: 10.1177/1526602820906856] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Purpose: To describe a possible application of thoracic false lumen occlusion techniques with a Candy-Plug occluder to induce false lumen thrombosis for preconditioning the spinal cord during staged fenestrated repair of postdissecting thoracoabdominal aneurysms. Technique: A Candy-Plug occluder is deployed within the thoracic false lumen after proximal entry tear coverage with a standard thoracic stent-graft during staged repair of postdissecting thoracoabdominal aneurysms. The blockade of thoracic false lumen retrograde reperfusion from distal entry tears induces a controlled thrombosis of both the thoracic false lumen and intercostal arteries. Then, when the fenestrated device is delivered 4 to 6 weeks later, the procedure is completed with standard techniques according to the staging protocols of individual centers. Conclusion: A new possible application of a Candy-Plug false lumen occlusion technique might be an intermediate procedure aimed at preconditioning the spinal cord by occluding the thoracic false lumen during complex staged fenestrated thoracoabdominal repairs.
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Affiliation(s)
- Niccolò Carta
- Division of Vascular Surgery, “Vita–Salute” University, Scientific Institute H. San Raffaele, Milan, Italy
| | - Simone Salvati
- Division of Vascular Surgery, “Vita–Salute” University, Scientific Institute H. San Raffaele, Milan, Italy
| | - Germano Melissano
- Division of Vascular Surgery, “Vita–Salute” University, Scientific Institute H. San Raffaele, Milan, Italy
| | - Roberto Chiesa
- Division of Vascular Surgery, “Vita–Salute” University, Scientific Institute H. San Raffaele, Milan, Italy
| | - Luca Bertoglio
- Division of Vascular Surgery, “Vita–Salute” University, Scientific Institute H. San Raffaele, Milan, Italy
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Learning curve of fenestrated and branched endovascular aortic repair for pararenal and thoracoabdominal aneurysms. J Vasc Surg 2020; 72:423-434.e1. [PMID: 32081482 DOI: 10.1016/j.jvs.2019.09.046] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2019] [Accepted: 09/15/2019] [Indexed: 01/08/2023]
Abstract
OBJECTIVE The objective of this study was to review the learning curve for fenestrated-branched endovascular aortic repair (F-BEVAR) of pararenal and thoracoabdominal aortic aneurysms (TAAAs). METHODS We reviewed the clinical data of 334 consecutive patients (255 males, mean age 75 ± 7 years) who underwent F-BEVAR between 2007 and 2016 in a single institution. Outcomes were analyzed in four quartiles of experience (Q1-Q4). Study outcomes included trends in patient characteristics, device design, procedural variables, 30-day mortality, and major adverse events (MAEs). RESULTS There were 178 patients (53%) treated for pararenal aneurysms and 156 (47%) for TAAAs. During the study period, there was a statistically significant increase in the proportion of TAAAs and in the number of vessels incorporated. Despite this, there was a steady decrease in 30-day mortality (6% in Q1 to 0% in Q4; P < .04) and in the rate of MAEs (60% in Q1 to 29% in Q4; P<.001). By linear regression analysis, there was significant decline in estimated blood loss (1358 ± 1517 mL in Q1 to 486 ± 520 mL in Q4; P < .001), total operating time (325 ± 116 minutes in Q1 to 248 ± 92 minutes in Q4; P < .001), total fluoroscopy time (121 ± 59 minutes in Q1 to 85 ± 39 minutes in Q4; P < .001), contrast volume (201 ± 92 mL in Q1 to 160 ± 61 mL in Q4; P = .002), and radiation dose (4141 ± 2570 mGy in Q2 to 2543 ± 1895 mGy in Q4; P < .001). Independent predictors of MAEs were total operating time (odds ratio [OR], 1.6; 95% confidence interval [CI], 1.3-1.8; P < .001), Society for Vascular Surgery total score (OR, 1.1; 95% CI, 1.02-1.2; P = .009), and quartile 1 (OR, 3.0; 95% CI, 1.7-5.2; P < .001). CONCLUSIONS This study demonstrates significant improvement in perioperative mortality, MAEs, procedural variables, and secondary interventions in patients treated by F-BEVAR, despite the increase in complexity of aneurysm pathology during the study period. Also, better patient selection contributed to improve outcomes.
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Xue Y, Ge Y, Ge X, Miao J, Fan W, Rong D, Liu F, Liu X, Guo W. Association Between Extent of Stent-Graft Coverage and Thoracic Aortic Remodeling After Endovascular Repair of Type B Aortic Dissection. J Endovasc Ther 2020; 27:211-220. [PMID: 32026762 DOI: 10.1177/1526602820904164] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Purpose: To examine the association between the extent of stent-graft coverage and thoracic aortic expansion after thoracic endovascular aortic repair (TEVAR) for type B aortic dissection. Materials and Methods: A retrospective analysis was conducted of 201 patients (mean age 52.4±11.5 years; 178 men) with acute (135, 67.2%) or chronic (66, 32.8%) type B aortic dissection who underwent TEVAR at 4 medical centers. The mean stent-graft length was 157.1±33.3 mm. The percentage of stented descending aorta (PSDA) represented the extent of stent-graft coverage. After using restricted cubic smoothing spline plots to confirm the roughly linear relationship between PSDA and the risk of thoracic aortic expansion, patients were stratified into 2 groups on the median PSDA: the lower group (≤31.3%) and the higher group (>31.3%). Thoracic aortic expansion was defined as a ≥20% increase in the total thoracic aortic volume on the most recent postoperative computed tomography angiography scan compared with the preoperative measurement. The Kaplan-Meier method was used to estimate the cumulative freedom from thoracic aortic expansion after TEVAR; estimates are given with the 95% confidence interval (CI). A multivariable Cox proportional hazards model was used to analyze any independent association of the PSDA as a continuous or categorical variable with the risk of thoracic aortic expansion; results are presented as the hazard ratio (HR) and 95% CI. Results: No patients developed symptoms of spinal cord ischemia during hospitalization. Over a median 12.4 months of imaging follow-up, 34 (16.9%) patients developed thoracic aortic expansion. The estimate of freedom from thoracic aortic expansion at 12 months for the overall PSDA was 84.0% (95% CI 77.8% to 88.6%); between the groups, the freedom from thoracic aortic expansion estimate for the PSDA ≤31.3% group was significantly lower than in the higher group (p=0.032). Regression analysis showed no significant association between the risk of thoracic aortic expansion and the PSDA as a continuous variable (HR 0.97, 95% CI 0.91 to 1.03, p=0.288); however, analyzing the PSDA as a categorical variable indicated a significantly lower risk of thoracic aortic expansion for the PSDA >31.3% group (HR 0.46, 95% CI 0.22 to 0.95, p=0.036) after adjusting for a variety of demographic and anatomical characteristics. Conclusion: More extensive stent-graft coverage appears to improve thoracic aortic remodeling after TEVAR. However, the clinician should balance the benefit of extensive stent-graft coverage and its related risk of spinal cord ischemia.
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Affiliation(s)
- Yan Xue
- Department of Vascular and Endovascular Surgery, First Medical Center of Chinese PLA General Hospital, Beijing, China
- Research Platform for Minimally Invasive Cardiovascular Surgery, Beijing Key Laboratory, Beijing, China
| | - Yangyang Ge
- Department of Vascular and Endovascular Surgery, First Medical Center of Chinese PLA General Hospital, Beijing, China
- Research Platform for Minimally Invasive Cardiovascular Surgery, Beijing Key Laboratory, Beijing, China
| | - Xiaohu Ge
- Department of Vascular Surgery, People’s Hospital of Xinjiang Uygur Autonomous Region, Urumchi, China
| | - Jianhang Miao
- Department of General Surgery, Zhongshan People’s Hospital, Zhongshan, China
| | - Weidong Fan
- Department of Cardiology, Henan Provincial Chest Hospital, Zhengzhou, China
| | - Dan Rong
- Department of Vascular and Endovascular Surgery, First Medical Center of Chinese PLA General Hospital, Beijing, China
- Research Platform for Minimally Invasive Cardiovascular Surgery, Beijing Key Laboratory, Beijing, China
| | - Feng Liu
- Department of Vascular and Endovascular Surgery, First Medical Center of Chinese PLA General Hospital, Beijing, China
- Research Platform for Minimally Invasive Cardiovascular Surgery, Beijing Key Laboratory, Beijing, China
| | - Xiaoping Liu
- Department of Vascular and Endovascular Surgery, First Medical Center of Chinese PLA General Hospital, Beijing, China
- Research Platform for Minimally Invasive Cardiovascular Surgery, Beijing Key Laboratory, Beijing, China
| | - Wei Guo
- Department of Vascular and Endovascular Surgery, First Medical Center of Chinese PLA General Hospital, Beijing, China
- Research Platform for Minimally Invasive Cardiovascular Surgery, Beijing Key Laboratory, Beijing, China
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Faure EM, El Batti S, Sutter W, Bel A, Julia P, Achouh P, Alsac JM. Stent-assisted balloon dilatation of chronic aortic dissection. J Thorac Cardiovasc Surg 2020; 162:1467-1473. [DOI: 10.1016/j.jtcvs.2020.01.081] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/03/2019] [Revised: 01/06/2020] [Accepted: 01/27/2020] [Indexed: 11/30/2022]
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Heidemann F, Kölbel T, Kuchenbecker J, Kreutzburg T, Debus ES, Larena-Avellaneda A, Dankhoff M, Behrendt CA. Incidence, predictors, and outcomes of spinal cord ischemia in elective complex endovascular aortic repair: An analysis of health insurance claims. J Vasc Surg 2020; 72:837-848. [PMID: 32005486 DOI: 10.1016/j.jvs.2019.10.095] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2019] [Accepted: 10/22/2019] [Indexed: 12/15/2022]
Abstract
OBJECTIVE This study aimed to determine predictors and outcomes associated with spinal cord ischemia (SCI) after elective fenestrated or branched endovascular aneurysm repair (F/BEVAR) of thoracoabdominal aortic aneurysm (TAAA), abdominal aortic aneurysm (AAA), or aortic dissection. METHODS Health insurance claims data of Germany's third largest insurance provider, DAK-Gesundheit, were used to investigate SCI in elective F/BEVAR performed between 2008 and 2017. The International Classification of Diseases and German Operation and Procedure Classification System were used. We stratified the results into F/BEVAR with one or two (AAA) vs three or more (TAAA) fenestrations or branches. RESULTS A total of 877 patients (18.9% female; 5.8% with SCI) matching the inclusion criteria were identified during the study period. SCI occurred more often after F/BEVAR of TAAA vs AAA (10.7% vs 3.0%; P < .001). SCI was associated with female sex in the AAA group (odds ratio, 3.87; 95% confidence interval [CI], 1.25-11.15; P = .014) and with cardiac arrhythmias in the TAAA group (odds ratio, 2.98; 95% CI, 1.24-7.06; P = .013). Compared with patients without SCI, SCI patients were more likely to suffer from drug use disorders (eg, opioids, cannabinoids, sedatives) in the TAAA group (17.6% vs 2.1%; P < .05). After F/BEVAR of TAAA, the occurrence of SCI was associated with higher 90-day mortality (14.7% vs 1.1%; P < .05), longer postoperative hospital stay (22 vs 9 days; P < .05), and severe adverse events, such as acute respiratory insufficiency (44.1% vs 12.7%), acute renal failure (35.3% vs 11.3%), and pneumonia (29.4% vs 4.9%; all P < .05). In adjusted analyses, SCI was associated with worse long-term survival after F/BEVAR for TAAA (hazard ratio, 2.54; 95% CI, 1.37-4.73; P < .003). CONCLUSIONS Female AAA patients and TAAA patients with cardiac arrhythmias are at highest risk for development of SCI after F/BEVAR. The occurrence of this event was strongly associated with higher major complication rates and worse short-term and long-term survival. This emphasizes a need to further illuminate the value of spinal cord protection protocols in F/BEVAR.
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Affiliation(s)
- Franziska Heidemann
- Department of Vascular Medicine, University Heart and Vascular Center Hamburg, Research Group GermanVasc, German Aortic Center Hamburg, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Tilo Kölbel
- Department of Vascular Medicine, University Heart and Vascular Center Hamburg, Research Group GermanVasc, German Aortic Center Hamburg, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Jenny Kuchenbecker
- Department of Vascular Medicine, University Heart and Vascular Center Hamburg, Research Group GermanVasc, German Aortic Center Hamburg, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Thea Kreutzburg
- Department of Vascular Medicine, University Heart and Vascular Center Hamburg, Research Group GermanVasc, German Aortic Center Hamburg, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - E Sebastian Debus
- Department of Vascular Medicine, University Heart and Vascular Center Hamburg, Research Group GermanVasc, German Aortic Center Hamburg, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Axel Larena-Avellaneda
- Department of Vascular Medicine, University Heart and Vascular Center Hamburg, Research Group GermanVasc, German Aortic Center Hamburg, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | | | - Christian-Alexander Behrendt
- Department of Vascular Medicine, University Heart and Vascular Center Hamburg, Research Group GermanVasc, German Aortic Center Hamburg, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.
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Tenorio ER, Oderich GS, Farber MA, Schneider DB, Timaran CH, Schanzer A, Beck AW, Motta F, Sweet MP. Outcomes of endovascular repair of chronic postdissection compared with degenerative thoracoabdominal aortic aneurysms using fenestrated-branched stent grafts. J Vasc Surg 2019; 72:822-836.e9. [PMID: 31882309 DOI: 10.1016/j.jvs.2019.10.091] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Accepted: 10/25/2019] [Indexed: 10/25/2022]
Abstract
OBJECTIVE The objective of this study was to analyze outcomes of fenestrated-branched endovascular aneurysm repair (F/BEVAR) for treatment of postdissection and degenerative thoracoabdominal aortic aneurysms (TAAAs). METHODS We reviewed the clinical data of 240 patients with extent I to extent III TAAAs enrolled in seven prospective physician-sponsored investigational device exemption studies from 2014 to 2017. All patients had manufactured off-the-shelf or patient-specific fenestrated-branched stent grafts used to target 888 renal-mesenteric arteries with a mean of 3.7 vessels per patient. End points included mortality, major adverse events (any-cause mortality, stroke, paralysis, dialysis, myocardial infarction, respiratory failure, bowel ischemia, and estimated blood loss >1 L), technical success, target artery patency, target artery instability, occlusion or stenosis, endoleak, rupture or death, reintervention, and renal function deterioration. RESULTS There were 50 patients (21%) treated for postdissection TAAAs and 190 (79%) who had degenerative TAAAs. Postdissection TAAA patients were significantly younger (67 ± 9 years vs 74 ± 8 years; P < .001), were more often male (76% vs 52%; P = .002), and had more prior aortic repairs (84% vs 67%; P = .02) and larger renal (6.4 ± 1.2 mm vs 5.8 ± 0.9 mm; P < .001) and mesenteric (8.9 ± 1.7 mm vs 7.8 ± 1.4 mm; P < .001) target artery diameters. There was no difference in aneurysm diameter (66 ± 13 mm vs 67 ± 11 mm; P = .50), extent I or extent II TAAA classification (64% vs 56%; P = .33), and length of supraceliac coverage (22 ± 9.5 cm vs 20 ± 10 cm; P = .38) between postdissection and degenerative patients, respectively. Preloaded guidewire systems (66% vs 43%; P = .003) and fenestrations as opposed to directional branches (58% vs 24%; P < .001) were used more frequently to treat postdissection patients. Technical success was 100% for postdissection TAAAs and 99% for degenerative TAAAs (P = .14). At 30 days, there was no difference in mortality (2% postdissection, 3% degenerative), major adverse events (24% postdissection, 26% degenerative; P = .73), spinal cord injury (6% postdissection, 12% degenerative; P = .25), paraplegia (2% postdissection, 7% degenerative; P = .19), and dialysis (0% postdissection, 5% degenerative; P = .24). Mean follow-up was 14 ± 12 months. Endoleaks were significantly more frequent in patients with postdissection TAAAs (76%) compared with degenerative TAAAs (43%; P < .001). At 2 years, there was no difference in patient survival (84% ± 7% vs 72% ± 4%; P = .13), freedom from aorta-related death (98% ± 2% vs 94% ± 2%; P = .45), primary (95% ± 2% vs 97% ± 1%; P = .93) and secondary target artery patency (99% ± 1% vs 98% ± 1%; P = .48), target artery instability (89% ± 3% vs 91% ± 1%; P = .17), and freedom from reintervention (58% ± 10% vs 67% ± 5%; P = .23) for postdissection and degenerative TAAAs, respectively. CONCLUSIONS Despite minor differences in demographics, anatomic factors, and stent graft design, F/BEVAR was safe and effective with nearly identical outcomes in patients with postdissection and degenerative TAAAs. Larger clinical experience and longer follow-up are needed to better evaluate differences in mortality, spinal cord injury, target artery instability, and reintervention.
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Affiliation(s)
- Emanuel R Tenorio
- Advanced Endovascular Aortic Research Program, Division of Vascular and Endovascular Surgery, Mayo Clinic, Rochester, Minn
| | - Gustavo S Oderich
- Advanced Endovascular Aortic Research Program, Division of Vascular and Endovascular Surgery, Mayo Clinic, Rochester, Minn.
| | - Mark A Farber
- Division of Vascular Surgery, Department of Surgery, University of North Carolina, Chapel Hill, NC
| | - Darren B Schneider
- Division of Vascular and Endovascular Surgery, Weill Cornell Medicine, NewYork-Presbyterian Hospital, New York, NY
| | - Carlos H Timaran
- Clinical Heart and Vascular Center, University of Texas South Western, Dallas, Tex
| | - Andres Schanzer
- Division of Vascular Surgery, University of Massachusetts, Worcester, Mass
| | - Adam W Beck
- Division of Vascular Surgery and Endovascular Therapy, University of Alabama at Birmingham, Birmingham, Ala
| | - Fernando Motta
- Division of Vascular Surgery, Department of Surgery, University of North Carolina, Chapel Hill, NC
| | - Matthew P Sweet
- Division of Vascular and Endovascular Surgery, University of Washington, Seattle, Wash
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Law Y, Tsilimparis N, Rohlffs F, Makaloski V, Behrendt CA, Heidemann F, Wipper SH, Debus ES, Kölbel T. Fenestrated or branched endovascular aortic repair for postdissection thoracoabdominal aortic aneurysm. J Vasc Surg 2019; 70:404-412. [DOI: 10.1016/j.jvs.2018.10.117] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2018] [Accepted: 10/24/2018] [Indexed: 11/24/2022]
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Liu J, Li Z, Feng J, Zhou J, Zhao Z, Bao X, Zhao Y, Xu Z, Wu J, Wang H, Feng R, Jing Z. Total Endovascular Repair With Parallel Stent-Grafts for Postdissection Thoracoabdominal Aneurysm After Prior Proximal Repair. J Endovasc Ther 2019; 26:668-675. [PMID: 31364463 DOI: 10.1177/1526602819863779] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Purpose: To evaluate the safety and efficacy of total endovascular repair with parallel stent-grafts for postoperative residual dissection thoracoabdominal aortic aneurysm (TAAA). Materials and Methods: A retrospective study was undertaken of 21 patients (mean age 64.0±12.5 years; 17 men) undergoing total endovascular therapy with parallel stent-grafts for postdissection TAAA after prior proximal repair between 2014 and 2016. The preoperative minimum true lumen diameter was 12.3±4.8 mm and the mean extent of dissection was 248.1±48.2 mm. Pre-, intra-, and postoperative medical records were reviewed to assess technical success, spinal cord ischemia, patency of target branch arteries, endoleak, and short-term outcomes of this approach. Results: Technical success was achieved in 17 of 21 patients owing to 4 type I endoleaks at the end of the procedures. A total of 70 branch arteries were revascularized and 14 celiac trunks were covered intentionally without reconstruction. Of 7 intraoperative endoleaks, 2 were managed intraoperatively and 5 (4 type I and 1 type II) disappeared spontaneously within 1 month. No spinal cord or abdominal organ or limb ischemia was observed. Mean follow-up was 16.2±6.1 months. No death or type I or III endoleak occurred during the follow-up; 2 type II endoleaks were observed. Nineteen of the 21 false lumens thrombosed, and the total aortic diameter decreased (57.3±8.4 to 55.3±7.4 mm, p<0.01). Three (4.3%) of 70 target branch arteries occluded during follow-up. The cumulative patency of retrogradely and antegradely revascularized branch arteries was 97.3% vs 100% at 12 months and 91.2% vs 100% at 18 months. Conclusion: Total endovascular therapy with parallel stent-grafts could be an effective alternative in treating postdissection TAAA. Further studies with long-term follow-up and larger sample size are recommended to evaluate the technique.
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Affiliation(s)
- Junjun Liu
- Department of Vascular Surgery, Changhai Hospital, Second Military Medical University, Shanghai, People’s Republic of China
- Department of Vascular Surgery, the Affiliated Hospital of Qingdao University, Qingdao, Shandong, People’s Republic of China
| | - Zhenjiang Li
- Department of Vascular Surgery, Changhai Hospital, Second Military Medical University, Shanghai, People’s Republic of China
- Department of Vascular Surgery, the First Affiliated Hospital of the Medical School of Zhejiang University, Hangzhou, Zhejiang, People’s Republic of China
| | - Jiaxuan Feng
- Department of Vascular Surgery, Changhai Hospital, Second Military Medical University, Shanghai, People’s Republic of China
| | - Jian Zhou
- Department of Vascular Surgery, Changhai Hospital, Second Military Medical University, Shanghai, People’s Republic of China
| | - Zhiqing Zhao
- Department of Vascular Surgery, Changhai Hospital, Second Military Medical University, Shanghai, People’s Republic of China
| | - Xianhao Bao
- Department of Vascular Surgery, Changhai Hospital, Second Military Medical University, Shanghai, People’s Republic of China
| | - Yuxi Zhao
- Department of Vascular Surgery, Changhai Hospital, Second Military Medical University, Shanghai, People’s Republic of China
| | - Ziyi Xu
- Department of Vascular Surgery, Changhai Hospital, Second Military Medical University, Shanghai, People’s Republic of China
| | - Jianlie Wu
- Department of Vascular Surgery, the Affiliated Hospital of Qingdao University, Qingdao, Shandong, People’s Republic of China
| | - Haofu Wang
- Department of Vascular Surgery, the Affiliated Hospital of Qingdao University, Qingdao, Shandong, People’s Republic of China
| | - Rui Feng
- Department of Vascular Surgery, Changhai Hospital, Second Military Medical University, Shanghai, People’s Republic of China
| | - Zaiping Jing
- Department of Vascular Surgery, Changhai Hospital, Second Military Medical University, Shanghai, People’s Republic of China
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Werlin EC, Kaushik S, Gasper WJ, Hoffman M, Reilly LM, Chuter TA, Hiramoto JS. Multibranched endovascular aortic aneurysm repair in patients with and without chronic aortic dissections. J Vasc Surg 2019; 70:1419-1426. [PMID: 31327618 DOI: 10.1016/j.jvs.2019.02.048] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Accepted: 02/24/2019] [Indexed: 11/29/2022]
Abstract
OBJECTIVE The objective of this study was to compare multibranched endovascular aneurysm repair (MBEVAR) of postdissection thoracoabdominal aortic aneurysms (TAAAs) and pararenal aortic aneurysms (PRAAs) with MBEVAR of degenerative TAAAs and PRAAs and to assess the role played by the preoperative correction of potential complicating factors, such as true lumen compression and false lumen origin of vital branches, using adjunctive maneuvers. METHODS From July 2005 to July 2017, there were 162 patients who underwent elective MBEVAR of TAAAs and PRAAs. Data on demographics, procedural details, and outcomes were collected prospectively. RESULTS The mean age was 73 ± 8 years, and 119 of 162 (74%) were men; 19 of 162 (12%) had prior aortic dissections. Patients with dissections were younger (65 ± 11 years vs 74 ± 7 years; P = .002) and were less likely to have smoked (13/19 [68%] vs 135/143 [94%]; P = .002) or to have peripheral artery disease (0/19 [0%] vs 35/143 [24%]; P = .01) compared with those without dissections. Patients with prior dissections were more likely to have Crawford type II (10/19 [53%] vs 22/143 [15%]; P = .001) and type III (6/19 [32%] vs 16/143 [11%]; P = .03) TAAAs and were more likely to require at least one pre-MBEVAR adjunctive procedure (14/19 [74%] vs 55/143 [38%]; P = .006) compared with those without dissection. There was no difference in perioperative death, stroke, or paraplegia rates between the two groups. Median follow-up was 2.4 years (interquartile range, 0.8-4.7) and did not differ significantly between the two groups. There were no significant differences in branch vessel occlusion, endoleak rate, or aneurysm-related death between the two groups. CONCLUSIONS Patients with chronic type B aortic dissection are more likely to have extensive aneurysms and more likely to require adjunctive procedures to provide the appropriate anatomic substrate for MBEVAR, but this does not appear to affect the conduct of MBEVAR or its outcomes.
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Affiliation(s)
- Evan C Werlin
- Department of Surgery, University of California, San Francisco, San Francisco, Calif
| | - Smita Kaushik
- Department of Surgery, University of California, San Francisco, San Francisco, Calif; Division of Vascular and Endovascular Surgery, University of California, San Francisco, San Francisco, Calif
| | - Warren J Gasper
- Department of Surgery, University of California, San Francisco, San Francisco, Calif; Division of Vascular and Endovascular Surgery, University of California, San Francisco, San Francisco, Calif
| | - Megan Hoffman
- Department of Surgery, University of California, San Francisco, San Francisco, Calif; Division of Vascular and Endovascular Surgery, University of California, San Francisco, San Francisco, Calif
| | - Linda M Reilly
- Department of Surgery, University of California, San Francisco, San Francisco, Calif; Division of Vascular and Endovascular Surgery, University of California, San Francisco, San Francisco, Calif
| | - Timothy A Chuter
- Department of Surgery, University of California, San Francisco, San Francisco, Calif; Division of Vascular and Endovascular Surgery, University of California, San Francisco, San Francisco, Calif
| | - Jade S Hiramoto
- Department of Surgery, University of California, San Francisco, San Francisco, Calif; Division of Vascular and Endovascular Surgery, University of California, San Francisco, San Francisco, Calif.
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