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Sanders AP, Swerdlow NJ, Jabbour G, Schermerhorn ML. The effect of Fiber Optic RealShape technology on the reduction of radiation during complex endovascular surgery. J Vasc Surg 2024; 79:954-961. [PMID: 37931886 PMCID: PMC10960673 DOI: 10.1016/j.jvs.2023.11.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Revised: 10/28/2023] [Accepted: 11/01/2023] [Indexed: 11/08/2023]
Abstract
OBJECTIVE Despite the advantages that fenestrated endovascular aortic repair has over open repair, it is accompanied by the consequence of radiation exposure, which can result in long-term complications for both the patient and surgical staff. Fiber Optic RealShape (FORS) technology is a novel advancement that uses emitted light from a fiber optic wire and enables the surgeon to cannulate vessels in real time without live fluoroscopy. This technology has been implemented at select centers to study its effectiveness for cannulation of target vessels and its impact on procedural radiation. METHODS We collected prospective data on physician-modified endograft (PMEG) cases before and after the introduction of FORS technology. FORS PMEGs were matched with up to three conventional fluoroscopy cases by number of target vessels, inclusion of a bifurcated device below, aneurysm extent, and patient body mass index. The procedural radiation parameters were compared between these cohorts. Within the FORS cohort, we analyzed the rate of successful target vessel cannulation for all cases done with this technology (including cases other than PMEGs), and we compared the radiation between the cannulations using only FORS with those that abandoned FORS for conventional fluoroscopy. RESULTS Nineteen FORS PMEGs were able to be matched to 45 conventional fluoroscopy cases. Procedures that used FORS technology had significantly reduced total air kerma (527 mGy vs 964 mGy), dose area product (121 Gy∗cm2 vs 186 Gy∗cm2), fluoroscopy dose (72.1 Gy∗cm2 vs 132.5 Gy∗cm2), and fluoroscopy time (45 minutes vs 72 minutes). There was no difference in procedure length, total contrast, or digital subtraction angiography. Within FORS cases, 66% of cannulations were completed using only FORS. Cannulations using only FORS had significant reduction of navigation air kerma (5.0 mGy vs 26.5 mGy), dose area product (1.2 Gy∗cm2 vs 5.1 Gy∗cm2), and fluoroscopy time (0.6 minutes vs 2.3 minutes) compared with cannulations abandoning FORS for conventional fluoroscopy. CONCLUSIONS This study demonstrates the advantages of FORS for total procedural radiation as well as during individual cannulation tasks. The implementation of FORS for target vessel catheterization has the potential to decrease the total degree of radiation exposure for the patient and surgical staff during complex endovascular aortic surgeries.
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Affiliation(s)
- Andrew P Sanders
- Department of Surgery, Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA
| | - Nicholas J Swerdlow
- Department of Surgery, Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA; Department of Surgery, Division of Vascular and Endovascular Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, MA
| | - Gabriel Jabbour
- Department of Surgery, Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA
| | - Marc L Schermerhorn
- Department of Surgery, Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA.
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Sanders AP, Swerdlow NJ, Yadavalli SD, Marcaccio CL, Stangenberg L, Schermerhorn ML. Reinterventions and sac dynamics after fenestrated endovascular aortic repair with physician-modified endografts for index aneurysm repair and following proximal failure of prior endovascular aortic repair. J Vasc Surg 2024:S0741-5214(24)00005-3. [PMID: 38185213 DOI: 10.1016/j.jvs.2024.01.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Revised: 12/29/2023] [Accepted: 01/03/2024] [Indexed: 01/09/2024]
Abstract
OBJECTIVE The high frequency of reinterventions after fenestrated endovascular aortic repair (FEVAR) with physician-modified endografts (PMEGs) has been well-studied. However, the impact of prior EVAR on reinterventions and sac behavior following these procedures remains unknown. We analyzed 3-year rates of reinterventions and sac dynamics following PMEG for index aneurysm repair compared with PMEG for prior EVAR with loss of proximal seal. METHODS We performed a retrospective analysis of 122 consecutive FEVARs with PMEGs at a tertiary care center submitted to the United States Food and Drug Administration in support of an investigational device exemption trial. We excluded patients with aortic dissection (n = 5), type I to III thoracoabdominal aneurysms (n = 13), non-elective procedures (n = 4), and prior aortic surgery other than EVAR (n = 8), for a final cohort of 92 patients. Patients were divided into those who underwent PMEG for index aneurysm repair (primary FEVAR) and those who underwent PMEG for rescue of prior EVAR with loss of proximal seal (secondary FEVAR). The primary outcomes were freedom from reintervention and sac dynamics (regression as ≥5 mm decrease, expansion as ≥5 mm increase, and stability as <5 mm increase or decrease) at 3 years. Secondary outcomes were perioperative mortality and 3-year survival. RESULTS Of the 92 patients included, 56 (61%) underwent primary FEVAR and 36 (39%) underwent secondary FEVAR. Secondary FEVAR patients were older (78 years [interquartile range (IQR), 74.5-83.5 years] vs 73 years [IQR, 69-78.5 years]; P < .001), more frequently male (86% vs 68%; P = .048), and had larger aneurysms (72.5 mm [IQR, 65.5-81 mm] vs 59 mm [IQR, 55-65 mm]; P < .001). Perioperative mortality was 1.8% for primary FEVAR and 2.7% for secondary FEVAR (P = .75). At 3 years, overall survival was 84% for primary FEVAR and 71% for secondary FEVAR (P = .086). Freedom-from reintervention was significantly higher for primary FEVAR than secondary FEVAR, specifically 82% vs 38% at 3 years (P < .001). Primary FEVAR also had more desirable sac dynamics relative to secondary FEVAR at 3 years (primary: 54% stable, 46% regressed, 0% expanded vs secondary: 33% stable, 28% regressed, and 39% expanded; P = .038). CONCLUSIONS FEVAR for primary aortic repair and FEVAR for rescue of prior EVAR with loss of proximal seal are two distinct entities. Following primary FEVAR, less than a quarter of patients have undergone reintervention at 3 years, and sac expansion was not seen in our cohort. Comparatively, 3 years after secondary FEVAR, over one-half of patients have undergone reintervention and over one-third have had ongoing sac expansion. Vigilant surveillance and a low threshold for further interventions are crucial following secondary FEVAR.
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Affiliation(s)
- Andrew P Sanders
- Department of Surgery, Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston
| | - Nicholas J Swerdlow
- Department of Surgery, Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston
| | - Sai Divya Yadavalli
- Department of Surgery, Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston
| | - Christina L Marcaccio
- Department of Surgery, Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston
| | - Lars Stangenberg
- Department of Surgery, Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston
| | - Marc L Schermerhorn
- Department of Surgery, Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston.
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Varkevisser RRB, Patel PB, Swerdlow NJ, Li C, Rastogi V, Verhagen HJM, Lyden SP, Schermerhorn ML. The Impact of Proximal Neck Anatomy on the 5-Year Outcomes Following Endovascular Aortic Aneurysm Repair With the Ovation Stent Graft. J Endovasc Ther 2023:15266028231195771. [PMID: 37646116 DOI: 10.1177/15266028231195771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
Abstract
PURPOSE Hostile proximal neck anatomy has historically been associated with worse outcomes for endovascular aortic aneurysm repair (EVAR) of abdominal aortic aneurysms (AAA). We investigated the impact of proximal neck anatomy on the outcomes following EVAR with the Ovation abdominal stent graft (Endologix, Irving, Calif). METHODS We used prospectively collected data from the Effectiveness of Custom Seal with Ovation: Review of the Evidence database, compromised of pooled data from 6 clinical trials and the European Post-Market Registry of patients undergoing elective infrarenal EVAR (2009-2017). We investigated the impact of short neck length (<10 mm), wide neck diameter (≥28 mm), reverse taper shape (>10%), and neck angulation (>45°) on the outcomes. The primary outcome was type IA endoleak. Secondary outcomes included any type I/III endoleak, sac expansion, aneurysm-related reinterventions, and all-cause and aneurysm-related mortality, and a combined endpoint of type IA endoleak, graft migration, AAA-related reintervention, conversion, and aneurysm rupture. We used Kaplan-Meier analysis and Cox proportional hazards models to estimate the 30 day and 5 year rates and assess univariate and risk-adjusted differences. RESULTS Of the 1020 patients, 60 patients had a short neck, 113 had a wide neck diameter, 279 were reverse taper shaped, and 99 had neck angulation >45°. Wide proximal neck was associated with higher 5 year type IA endoleak estimates compared with favorable neck anatomy (7.1% vs 4.3%; p=0.02). No association with 5 year type IA endoleak was found for short neck length (1.7% vs 4.3%; p=0.52), reverse taper shape (3.2% vs 4.3%; p=0.99), or neck angulation (6.1% vs 4.3%; p=0.13). A wide neck diameter compared with favorable anatomy was also associated with higher 5 year estimates of graft migration (3.8% vs 0.4%; p=0.03) and the combined neck-related adverse outcome endpoint (16% vs 9.5%; p=0.002). The estimates of aneurysm sac expansion, rupture, and overall and aneurysm-related mortality were similar between the hostile proximal neck anatomy cohorts and favorable anatomy. CONCLUSION Wide proximal neck is associated with higher 5 year type IA endoleak rates for patients treated with the Ovation stent graft. However, short neck length, reverse taper shape, and neck angulation are not associated with higher 5 year type IA endoleak rates. CLINICAL IMPACT Hostile proximal neck anatomy has historically been associated with worse outcomes for endovascular aortic aneurysm repair of abdominal aortic aneurysms. The Ovation stent graft platform uses a different proximal sealing method using a polymer inflatable ring, aiming to improve sealing between the graft and aortic wall. This study demonstrated that short, angulated, and reverse taper-shaped neck anatomy did not result in increased type IA endoleak estimates in patients treated with the Ovation stent graft platform. Potentially, the different sealing mechanisms played a role in mitigating the historically worse outcomes in patients with short, angulated, and reverse taper-shaped neck anatomy.
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Affiliation(s)
- Rens R B Varkevisser
- Division of Vascular and Endovascular Surgery, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
- Department of Vascular Surgery, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Priya B Patel
- Division of Vascular and Endovascular Surgery, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Nicholas J Swerdlow
- Division of Vascular and Endovascular Surgery, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Chun Li
- Division of Vascular and Endovascular Surgery, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Vinamr Rastogi
- Division of Vascular and Endovascular Surgery, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Hence J M Verhagen
- Department of Vascular Surgery, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Sean P Lyden
- Department of Vascular Surgery, Cleveland Clinic, Cleveland, OH, USA
| | - Marc L Schermerhorn
- Division of Vascular and Endovascular Surgery, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, 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] [What about the content of this article? (0)] [Affiliation(s)] [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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Patel PB, Marcaccio CL, Swerdlow NJ, O'Donnell TFX, Rastogi V, Marino R, Patel VI, Zettervall SL, Lindsay T, Schermerhorn ML. Thoracoabdominal aortic aneurysm life-altering events following endovascular aortic repair in the Vascular Quality Initiative. J Vasc Surg 2023:S0741-5214(23)01018-2. [PMID: 37044316 DOI: 10.1016/j.jvs.2023.03.499] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Revised: 03/18/2023] [Accepted: 03/22/2023] [Indexed: 04/14/2023]
Abstract
OBJECTIVE Endovascular aortic aneurysm repair has lower rates of postoperative mortality and morbidity when compared with open repair. However, endovascular repair still carries the risk of postoperative dialysis, paralysis, and stroke. This study examined the rates of postoperative mortality and morbidity stratified by type of endovascular aortic aneurysm repair. METHODS All patients who underwent endovascular aortic aneurysm repair in the Vascular Quality Initiative registry from January 2011 - May 2022 were identified. Patients were stratified by repair type: infrarenal endovascular aortic repair (EVAR), complex EVAR, thoracic endovascular aortic repair (TEVAR), extent I-III thoracoabdominal aortic aneurysm (TAAA) repair, or aortic arch repair. The primary outcome was postoperative thoracoabdominal aortic aneurysm life-altering events (TALE) across the different treatment groups. TALE was defined as a composite outcome of postoperative mortality, dialysis, paralysis, and/or stroke. Mixed effect logistic regression modeling was used to identify procedural and anatomic factors that were independently associated with TALE. RESULTS A total of 52,592 EVARs, 3,768 complex EVARs, 3,899 TEVARs, 1,139 extent I-III TAAA repairs, and 479 arch repairs were identified. TALE was observed in 1.2% of EVARs, 4.8% of complex EVARs, 6.0% of TEVARs, 10% of extent I-III TAAA repairs, and 14% of arch repairs. More proximal landing zone was associated with higher odds of TALE after complex EVAR (OR 1.9 [1.2-3.1]; p=.008), TEVAR (OR 2.2 [1.4-3.5]; p=.001), and extent I-III TAAA repair (OR 2.7 [1.5-4.9]; p=.001). Aortic diameter >65mm was associated with higher odds of TALE after infrarenal EVAR (OR 1.8 [1.4-2.3]; p<.001), complex EVAR (OR 1.6 [1.1-2.3]; p=.010), TEVAR (OR 2.7 [2.0-3.8]; p<.001), and arch repair (OR 2.4; [1.3-4.4]; p=.007). The use of parallel grafting technique (chimney/snorkel/periscope) during extent I-III TAAA repair was also associated with higher odds of TALE (OR 1.8 [1.1-3.2]; p=.032). Preoperative chronic kidney disease was also associated with higher odd of TALE after infrarenal EVAR (OR 4.3 [3.0-5.7]; p<.001), complex EVAR (OR 5.2 [3.3-8.2]; p<.001), TEVAR (OR 4.5 [2.8-7.1]; p<.001), and extent I-III TAAA repair (OR 3.2 [1.6-6.7]; p=.001). CONCLUSION While TALE was originally described for thoracoabdominal aortic aneurysm repairs, TALE may occur after complex EVAR, TEVAR, and arch repairs as well. Therefore, TALE and its component parts should be used to evaluate the efficacy of all aortic repairs and for preoperative counseling. Additionally, surgeons should be aware of anatomic and procedural characteristics that are associated with higher odds of TALE. The anticipated need for such interventions during aortic repair should be factored into preoperative risk assessment of patients.
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Affiliation(s)
- Priya B Patel
- The Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, MA
| | - Christina L Marcaccio
- The Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, MA
| | - Nicholas J Swerdlow
- The Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, MA
| | - Thomas F X O'Donnell
- The Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, MA; Division of Vascular Surgery and Endovascular Interventions, Columbia University Medical Center, New York, NY
| | - Vinamr Rastogi
- The Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, MA
| | | | - Virendra I Patel
- Division of Vascular Surgery and Endovascular Interventions, Columbia University Medical Center, New York, NY
| | - Sara L Zettervall
- Division of Vascular Surgery, University of Washington Medicine, Seattle, WA
| | - Thomas Lindsay
- Department of Vascular Surgery, University of Toronto, Canada
| | - Marc L Schermerhorn
- The Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, MA.
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Swerdlow NJ, Marcaccio CL, Schermerhorn ML. Single-Center Experience of Fenestrated Endovascular Aortic Repair Using Physician-Modified Endovascular Grafts Prior to Initiation of an Investigation Device Exemption Trial. J Vasc Surg 2022. [DOI: 10.1016/j.jvs.2022.07.078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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Swerdlow NJ, Dansey K, O'Donnell TF, Schermerhorn ML. Internal Iliac Artery Navigation Using Fiber Optic Realshape Technology. J Vasc Surg 2022. [DOI: 10.1016/j.jvs.2022.07.073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Swerdlow NJ, Marcaccio CL, Schemerhorn ML. Single-Center Experience of Fenestrated Endovascular Aortic Repair Using Physician-modified Endovascular Grafts Before Initiation of an Investigation Device Exemption Trial. J Vasc Surg 2022. [DOI: 10.1016/j.jvs.2022.03.566] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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O'Donnell TF, Patel P, Marcaccio CL, Dansey K, Swerdlow NJ, Rastogi V, Patel V, Beck A, Zettervall SL, Schermerhorn ML. Outcomes of Complex Endovascular Treatment of Post-Dissection Aneurysms. J Vasc Surg 2022. [DOI: 10.1016/j.jvs.2022.03.777] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Varkevisser RRB, Carvalho Mota MT, Swerdlow NJ, Stone DH, Scali ST, Blankensteijn JD, Verhagen HJM, Schermerhorn ML. Long-term age-stratified survival following endovascular and open abdominal aortic aneurysm repair. J Vasc Surg 2022; 76:899-907.e3. [PMID: 35367565 DOI: 10.1016/j.jvs.2022.03.867] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Accepted: 03/21/2022] [Indexed: 11/26/2022]
Abstract
OBJECTIVE The long-term survival differences between endovascular and open repair for abdominal aortic aneurysms and specifically the impact of age on these differences remain a topic of debate. Therefore, we compared the long-term mortality between endovascular and open abdominal aneurysm repair for patients of different ages. METHODS This was a retrospective cohort study of prospectively collected data from patients undergoing elective endovascular or open repair for infrarenal abdominal aortic aneurysms within the Vascular Quality Initiative multi-national clinical registry (2003-2021). The primary outcome was long-term all-cause mortality comparing endovascular and open repair for patients aged <65 years, between 65-79 years, and those aged ≥80. In addition, we investigated the interaction between repair modality and ten-year hazard of mortality for sex, aneurysm diameter, and several pre-operative comorbid conditions within each age category. To account for non-random assignment of treatment, we used propensity scores and inverse probability weighted Cox proportional hazard analysis. RESULTS We identified 48,074 patients undergoing elective infrarenal abdominal aneurysm repair (89% endovascular) within the study period, including 7,940 patients aged <65, 29,555 aged between 65-79, and 10,579 aged ≥80 years. EVAR was associated with a higher propensity score-adjusted long-term hazard of mortality compared to open repair in the cohort aged <65 years (hazard ratio [HR]: 1.39; 95% confidence interval [CI]: 1.04-1.86; P=.026). The mortality was similar in the age cohort between 65-79 (HR: 0.94; 95%CI: 0.79-1.10; P=.43), while EVAR was associated with a lower hazard of mortality in the cohort aged ≥80 years (HR: 0.63; 95%CI: 0.46-0.86; P=.004). In patients aged <65, the hazard of mortality was higher with endovascular compared with open repair in those with female sex (HR: 4.40; 95%CI: 1.75-11.0), an aneurysm diameter >65mm (HR: 2.19; 95%CI: 1.11-4.34), and absence of coronary artery disease (HR: 1.26; 95%CI: 0.83-1.91), congestive heart failure (HR: 1.41; 95%CI: 1.03-1.92), and renal dysfunction (HR: 1.46; 95%CI: 1.04-2.05). In the patient cohort aged ≥80, a lower hazard of mortality for endovascular vs. open repair was observed for male patients, or those with small aneurysms or certain comorbidities. CONCLUSIONS In a selected group of young patients with a substantial life expectancy, the long-term mortality is higher with endovascular compared to open repair for infrarenal abdominal aortic aneurysms. Long-term mortality with endovascular repair is similar in the middle cohort and lower in the elderly cohort compared to open repair.
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Affiliation(s)
- Rens R B Varkevisser
- Department of Surgery, Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA; Department of Vascular Surgery, Erasmus University Medical Center Rotterdam, the Netherlands; Department of Vascular Surgery, VU University Medical Center, Amsterdam University Medical Center, Amsterdam, the Netherlands
| | - Mathijs T Carvalho Mota
- Department of Surgery, Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA; Department of Vascular Surgery, Amsterdam University Medical Center, location VUmc the Netherlands; Department of Vascular Surgery, VU University Medical Center, Amsterdam University Medical Center, Amsterdam, the Netherlands
| | - Nicholas J Swerdlow
- Department of Surgery, Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA; Department of Vascular Surgery, VU University Medical Center, Amsterdam University Medical Center, Amsterdam, the Netherlands
| | - David H Stone
- Division of Vascular and Endovascular Surgery, Dartmouth-Hitchcock Medical Center, Lebanon, NH, USA; Department of Vascular Surgery, VU University Medical Center, Amsterdam University Medical Center, Amsterdam, the Netherlands
| | - Salvatore T Scali
- Division of Vascular Surgery and Endovascular Therapy, University of Florida Health, Gainesville, FL, USA; Department of Vascular Surgery, VU University Medical Center, Amsterdam University Medical Center, Amsterdam, the Netherlands
| | - Jan D Blankensteijn
- Department of Vascular Surgery, Amsterdam University Medical Center, location VUmc the Netherlands; Department of Vascular Surgery, VU University Medical Center, Amsterdam University Medical Center, Amsterdam, the Netherlands
| | - Hence J M Verhagen
- Department of Vascular Surgery, Erasmus University Medical Center Rotterdam, the Netherlands; Department of Vascular Surgery, VU University Medical Center, Amsterdam University Medical Center, Amsterdam, the Netherlands
| | - Marc L Schermerhorn
- Department of Surgery, Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA; Department of Vascular Surgery, VU University Medical Center, Amsterdam University Medical Center, Amsterdam, the Netherlands.
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De Guerre LEVM, O'Donnell TFX, Varkevisser RRB, Swerdlow NJ, Li C, Dansey K, van Herwaarden JA, Schermerhorn ML, Patel VI. The Association between Device Instructions for Use Adherence and Outcomes after Elective Endovascular Aortic Abdominal Aneurysm Repair. J Vasc Surg 2022; 76:690-698.e2. [PMID: 35276256 DOI: 10.1016/j.jvs.2022.02.037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Accepted: 02/14/2022] [Indexed: 11/17/2022]
Abstract
OBJECTIVE Aortic neck anatomy has a significant impact on the complexity of endovascular aortic aneurysm repair (EVAR), with concern that neck characteristics outside of instructions for use (IFU) may result in worse outcomes. Therefore, this study determined the impact of neck characteristics outside of IFU on perioperative and one-year outcomes and mid-term survival after EVAR. METHODS We identified all patients undergoing elective infrarenal EVAR from December 2014 to May 2020 in the Vascular Quality Initiative database. Neck characteristics outside of IFU were determined based the specific device IFU neck characteristics (Neck diameter, length, and angulation). Patients without one-year follow-up were excluded for the 1-year outcomes analyses (n=6,138 (40%)). We used multivariable adjusted logistic regression and Cox proportional hazard models to identify the independent associations between neck characteristics outside of IFU and our outcomes. RESULTS Of the 15,448 patients identified, 22.1% had neck characteristics outside of IFU, including 6.6% with a infrarenal angle, 6.8% with a neck length, 10.4% with a neck diameter, and 1.1% with a suprarenal angulation outside of IFU. Of these, 2.4% had more than one neck characteristic outside of IFU. Patients with neck characteristics outside of IFU were more often female (27.9% vs. 15.0%, P<.001) and were older (median age 75 vs. 73, P<.001). EVAR patients with neck characteristics outside of IFU had higher rates of type Ia endoleaks at completion (4.8% vs. 2.5%, P<.001), perioperative mortality (1.2% vs. 0.6%, P<.001), one-year sac expansion (7.1% vs. 5.3%, P=.017), and one-year reinterventions (4.4% vs. 3.2%, P=.03). In multivariable adjusted analyses, neck characteristics outside of IFU were independently associated with type Ia completion endoleaks (OR 1.6, [1.3-2.0], P<.001), perioperative mortality (OR 1.8; [1.2-2.7]; P=.005), one-year sac expansion (OR 1.4; [1.0-1.8]; P=.025) and one-year reinterventions (OR 1.4; [1.0-1.9]; P=.039). Unadjusted mid-term survival was lower for patients with neck characteristics outside of IFU than for patients without (5-year survival 84.0% vs. 86.7%, log-rank<.001). However, after adjustment, survival was similar for patients with neck characteristics outside of IFU to those within (HR: 1.1; [1.0-1.3]; P=.22). CONCLUSION Neck characteristics outside of IFU are independently associated with completion type Ia endoleaks, perioperative mortality, one-year sac expansion and one-year reinterventions among patients undergoing elective EVAR. These results indicate that continued effort is needed to improve the proximal seal in patients with neck characteristics outside of IFU undergoing EVAR. Also, in patients with severe hostile neck characteristics, alternative approaches such as open repair, use of a fenestrated or branched device, or endoanchors should be considered.
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Affiliation(s)
- Livia E V M De Guerre
- Divisions of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, MA; Department of Vascular Surgery, University Medical Center, Utrecht, The Netherlands
| | - Thomas F X O'Donnell
- Divisions of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, MA
| | - Rens R B Varkevisser
- Divisions of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, MA
| | - Nicholas J Swerdlow
- Divisions of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, MA
| | - Chun Li
- Divisions of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, MA
| | - Kirsten Dansey
- Divisions of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, MA
| | | | - Marc L Schermerhorn
- Divisions of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, MA
| | - Virendra I Patel
- Division of Vascular and Endovascular Surgery, New York Presbyterian/Columbia University Irving Medical Center/ Columbia University Vagelos College of Physicians & Surgeons, New York, NY 10032.
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Varkevisser RR, Carvalho Mota MT, Swerdlow NJ, Stone D, Scali ST, Blankensteijn JD, Verhagen H, Schermerhorn ML. Ten-Year Age-stratified Survival Following Endovascular and Open Abdominal Aortic Aneurysm Repair. J Vasc Surg 2021. [DOI: 10.1016/j.jvs.2021.06.085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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13
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Patel P, Marcaccio C, de Guerre L, Swerdlow NJ, O'Donnell TF, Zettervall SL, Patel VI, Schermerhorn ML. Composite Dialysis, Paralysis, Stroke, or Mortality After Endovascular Aortic Interventions in the Society for Vascular Surgery Vascular Quality Initiative. J Vasc Surg 2021. [DOI: 10.1016/j.jvs.2021.06.189] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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14
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Allar BG, Swerdlow NJ, de Guerre LEVM, Dansey KD, Li C, Wang GJ, Patel VI, Schermerhorn ML. Preoperative statin therapy is associated with higher 5-year survival after thoracic endovascular aortic repair. J Vasc Surg 2021; 74:1996-2005. [PMID: 34182025 DOI: 10.1016/j.jvs.2021.05.057] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Accepted: 05/21/2021] [Indexed: 11/25/2022]
Abstract
OBJECTIVE Statin use is associated with higher long-term survival after abdominal aortic aneurysm repair. However, the association between statin use and survival after thoracic endovascular aortic repair (TEVAR) has not been established. METHODS We performed a review of prospectively collected data of all patients who had undergone TEVAR in the Vascular Quality Initiative between 2014 and 2020. We excluded patients aged <18 years, those who had presented with trauma, and those who had received custom-manufactured or physician-modified devices. We evaluated the association between preoperative statin therapy and in-hospital mortality and complications and 5-year mortality. We also analyzed the trend of preoperative statin use in elective cases for the previous 7 years. To account for nonrandom assignment to treatment, we used propensity score matching of patient characteristics, comorbidities, pathology, and urgency for preoperative statin use. We used logistic regression and Cox regression for the short-term and 5-year outcomes, respectively. RESULTS Of 6266 patients who had undergone TEVAR and met the inclusion criteria, 3331 (53%) patients had been taking a statin preoperatively, including 1148 of 2267 (64%) treated for aneurysmal disease. After propensity score matching, 1875 patients were in each cohort. Preoperative statin use was associated with lower rates of any perioperative complication (16.7% vs 19.6%; odds ratio, 0.82; 95% confidence interval [CI] 0.69-0.97; P = .022). Overall, preoperative statin use was also associated with lower 5-year mortality (18.8% vs 24.5%; hazard ratio [HR], 0.74; 95% CI, 0.63-0.89; P = .001). When stratified by urgency, preoperative statin use was associated with lower 5-year mortality after elective TEVAR (14.9% vs 22.4%; HR, 0.62; 95% CI, 0.49-0.79; P < .001) but not after urgent or emergent TEVAR (27.4% vs 29.1%; HR, 0.89; 95% CI, 0.70-1.14; P = .37). When stratified by pathology, preoperative statin use was associated with significantly lower 5-year mortality for patients with aneurysms (HR, 0.63; 95% CI, 0.48-0.83; P = .001). Although the mortality was also lower for patients with dissection and "other" pathology, these differences did not reach statistical significance. Between 2014 and 2019, a significant increase had occurred in statin use among patients undergoing elective TEVAR, from 56% in 2014 to 64% in 2019 (P = .007). CONCLUSIONS Preoperative statin therapy is associated with lower perioperative complication rates and 5-year mortality for patients undergoing TEVAR. All patients with known thoracic aortic pathology should receive statin therapy unless contraindications for the drug are present. For patients undergoing elective TEVAR, the statin prescription percentage should be considered a quality metric, and further implementation research should occur to improve preoperative statin use.
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Affiliation(s)
- Benjamin G Allar
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass
| | - Nicholas J Swerdlow
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass
| | - Livia E V M de Guerre
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass
| | - Kirsten D Dansey
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass
| | - Chun Li
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass
| | - Grace J Wang
- Division of Vascular Surgery and Endovascular Therapy, Hospital of the University of Pennsylvania, Philadelphia, Pa
| | - Virendra I Patel
- Division of Cardiac, Thoracic, and Vascular Surgery, New York-Presbyterian/Columbia University Medical Center, Columbia University Vagelos College of Physicians and Surgeons, New York, NY
| | - Marc L Schermerhorn
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass.
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Dansey KD, Varkevisser RRB, Swerdlow NJ, Li C, de Guerre LEVM, Liang P, Marcaccio C, O'Donnell TFX, Carroll BJ, Schermerhorn ML. Epidemiology of endovascular and open repair for abdominal aortic aneurysms in the United States from 2004 to 2015 and implications for screening. J Vasc Surg 2021; 74:414-424. [PMID: 33592293 DOI: 10.1016/j.jvs.2021.01.044] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Accepted: 01/05/2021] [Indexed: 11/28/2022]
Abstract
BACKGROUND Contemporary national trends in the repair of ruptured abdominal aortic aneurysms (AAAs) and intact AAAs are relatively unknown. Furthermore, screening is only covered by insurance for patients aged 65 to 75 years with a family history of AAAs and for men with a positive smoking history. It is unclear what proportion of patients who present with a ruptured AAA would have been candidates for screening. METHODS Using the National Inpatient Sample from 2004 to 2015, we identified ruptured and intact AAA admissions and repairs using the International Classification of Diseases codes. We generated the screening-eligible cohort using previously identified proportions of male smokers (87%) and all patients with a family history of AAAs (10%) and applied these proportions to patients aged 65 to 75 years. We accounted for those who could have had a previous AAA diagnosis (17%), either from screening or an incidental detection in patients aged >75 years who had presented with AAA rupture. The primary outcomes were treatment and in-hospital mortality between patients meeting the criteria for screening vs those who did not. RESULTS We evaluated 65,125 admissions for ruptured AAAs and 461,191 repairs for intact AAAs. Overall, an estimated 45,037 admitted patients (68%) and 25,777 patients who had undergone repair for ruptured AAAs (59%) did not meet the criteria for screening. Of the patients who did not qualify, 27,653 (63%) were aged >75 years, 10,603 (24%) were aged <65 years, and 16,103 (36%) were women. Endovascular AAA repair (EVAR) increased for ruptured AAAs from 10% in 2004 to 55% in 2015 (P < .001), with operative mortality of 35%. EVAR increased for intact AAAs from 45% in 2004 to 83% in 2015 (P < .001), with operative mortality of 2.0%. CONCLUSIONS Most patients who had undergone repair for ruptured AAAs did not qualify for screening. EVAR was the primary treatment of both ruptured and intact AAAs with relatively low in-hospital mortality. Therefore, expansion of the screening criteria to include selected women and a wider age range should be considered.
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Affiliation(s)
- Kirsten D Dansey
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston
| | - Rens R B Varkevisser
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston
| | - Nicholas J Swerdlow
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston
| | - Chun Li
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston
| | | | - Patric Liang
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston
| | - Christina Marcaccio
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston
| | - Thomas F X O'Donnell
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston
| | - Brett J Carroll
- Division of Cardiovascular Medicine, Beth Israel Deaconess Medical Center, Boston
| | - Marc L Schermerhorn
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston.
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Solomon Y, Varkevisser RRB, Swerdlow NJ, Li C, Liang P, Siracuse JJ, de Borst GJ, Schermerhorn ML. Outcomes after transfemoral carotid artery stenting stratified by preprocedural symptom status. J Vasc Surg 2020; 73:2021-2029. [PMID: 33278538 DOI: 10.1016/j.jvs.2020.11.031] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Accepted: 11/11/2020] [Indexed: 01/21/2023]
Abstract
OBJECTIVE The available data on outcomes after transfemoral carotid artery stenting (TFCAS) originate from the early experience with TFCAS. Although most previous studies stratified outcomes according to a symptomatic or asymptomatic presentation, they often did not specify the degree of presenting neurologic injury. We previously reported that the outcomes after carotid endarterectomy differed according to neurologic injury severity, the contemporary perioperative outcomes of TFCAS stratified by the specific presenting symptom status are unknown. METHODS Patients with data in the Vascular Quality Initiative database who had undergone TFCAS from 2016 to 2020 were included. We stratified patients according to their preprocedural symptom status as asymptomatic, formerly symptomatic (last symptoms >180 days before the procedure), or recently symptomatic (symptoms <180 days before the procedure). The symptoms included stroke, hemispheric transient ischemic attack (TIA), and ocular TIA. We compared the occurrence of in-hospital stroke or death (stroke/death) among the asymptomatic, formerly symptomatic, and specific subtypes of recently symptomatic patients. Multivariable logistic regression models were constructed to adjust for the baseline differences among the groups. RESULTS Of the 9807 included patients, 2650 (27%) had had recent stroke, 842 (9%), recent hemispheric TIA, and 360 (4%), recent ocular TIA. In addition, 795 patients (8%) were formerly symptomatic and 5160 (53%) were asymptomatic. The patients with recent stroke had a perioperative stroke/death rate of 5.5%, higher than that of patients with recent hemispheric TIA (2.4%; P < .001) or recent ocular TIA (2.8%; P = .03) and asymptomatic patients (1.4%; P < .001). The stroke/death rate was greater for patients with recent ocular TIA than for asymptomatic patients (2.8% vs 1.4%; P = .04). Formerly symptomatic patients had higher stroke/death rates compared with asymptomatic patients (3.5% vs 1.4%; P < .001). On multivariable-adjusted analysis, recent stroke was associated with higher stroke/death compared with recent hemispheric TIA (odds ratio [OR], 2.6; 95% confidence interval [CI], 1.6-4.3; P < .001) and asymptomatic status (OR, 4.1; 95% CI, 3.0-5.6; P < .001) and demonstrated a trend toward higher stroke/death compared with recent ocular TIA (OR, 2.0; 95% CI, 1.0-3.9; P = .06). Furthermore, asymptomatic status was associated with lower stroke/death compared with formerly symptomatic status (OR, 0.4; 95% CI, 0.2-0.6; P < .001). CONCLUSIONS For patients undergoing TFCAS, recent stroke was associated with greater odds of in-hospital stroke/death after TFCAS compared with recent hemispheric TIA. Also, formerly symptomatic status was associated with greater odds of stroke/death compared with asymptomatic status. These findings support further symptom stratification by the degree of the presenting neurologic injury in the preoperative risk assessment.
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Affiliation(s)
- Yoel Solomon
- Division of Vascular and Endovascular Surgery, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass; Department of Vascular Surgery, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Rens R B Varkevisser
- Division of Vascular and Endovascular Surgery, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass
| | - Nicholas J Swerdlow
- Division of Vascular and Endovascular Surgery, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass
| | - Chun Li
- Division of Vascular and Endovascular Surgery, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass
| | - Patric Liang
- Division of Vascular and Endovascular Surgery, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass
| | - Jeffrey J Siracuse
- Division of Vascular and Endovascular Surgery, Boston Medical Center, Boston University School of Medicine, Boston, Mass
| | - Gert J de Borst
- Department of Vascular Surgery, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Marc L Schermerhorn
- Division of Vascular and Endovascular Surgery, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass.
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Varkevisser RR, Patel PB, Swerdlow NJ, Li C, Verhagen HJ, Lyden SP, Schermerhorn M. Similar Five-Year Outcomes Between Patients With and Without Hostile Proximal Neck Anatomy After Abdominal Aortic Aneurysm Repair With the Ovation Stent Graft Platform. J Vasc Surg 2020. [DOI: 10.1016/j.jvs.2020.06.028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Varkevisser RRB, Swerdlow NJ, de Guerre LEMV, Dansey K, Zarkowsky DS, Goodney PP, Verhagen HJM, Schermerhorn ML. Midterm survival after endovascular repair of intact abdominal aortic aneurysms is improving over time. J Vasc Surg 2020; 72:556-565.e6. [PMID: 32093912 PMCID: PMC8025309 DOI: 10.1016/j.jvs.2019.10.082] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2019] [Accepted: 10/16/2019] [Indexed: 11/25/2022]
Abstract
OBJECTIVE There is a growing body of literature raising concerns about the long-term durability of endovascular aneurysm repair (EVAR) for abdominal aortic aneurysms (AAAs), suggesting that long-term outcomes may be better after open AAA repair. However, the data investigating these long-term outcomes largely originate from early in the endovascular era and therefore do not account for increasing clinical experience and technologic improvements. We investigated whether 4-year outcomes after EVAR and open repair have improved over time. METHODS We identified all EVARs and open repairs for intact infrarenal AAA within the Vascular Quality Initiative database (2003-2018). We then stratified patients by procedure year into treatment cohorts of four years: 2003-2006, 2007-2010, 2011-2014, and 2015-2018. We used Kaplan-Meier analysis and Cox proportional hazards models to assess whether the survival after EVAR or open repair changed over time. In addition, we propensity matched EVAR and open repairs for each time cohort to investigate whether the relative survival benefit of EVAR over open repair changed over time. RESULTS We included 42,293 EVARs (increasing from 549 performed between 2003 and 2006 to 25,433 between 2015 and 2018) and 5189 open AAA repairs (increasing from 561 to 2306). Four-year survival increased for the periods 2003-2006, 2007-2010, 2011-2014, and 2015-2018 after both EVAR (76.6% vs 79.7% vs 83.5% vs 87.3%; P < .001) and open repair (82.2% vs 85.8% vs 87.7% vs 88.9%; P = .026). After risk adjustment, compared with 2003-2006, hazard of mortality up to 4 years after EVAR was lower for those performed between 2011 and 2014 (hazard ratio [HR], 0.72; 95% confidence interval [CI], 0.59-0.87; P = .001) and for those performed between 2015 and 2018 (HR, 0.56; 95% CI, 0.46-0.68; P < .001). In contrast, the risk-adjusted hazard of mortality was similar between open repair cohorts (2011-2014: HR, 0.81 [95% CI, 0.61-1.08; P = .15]; and 2015-2018: HR, 0.86 [95% CI, 0.64-1.17; P = .34]). Finally, in matched EVAR and open repairs, there was no difference in mortality in the first three cohorts, whereas the hazard of mortality was lower for the 2015-2018 cohort (HR, 0.65; 95% CI, 0.51-0.84; P = .001). CONCLUSIONS Four-year survival improved in more recent years after EVAR but not after open repair. This finding suggests that midterm outcomes after EVAR are improving, perhaps because of technologic improvements and increased experience, information that should be considered by surgeons and policymakers alike in evaluating the value of contemporary EVAR and open AAA repair.
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Affiliation(s)
- Rens R B Varkevisser
- Division of Vascular and Endovascular Surgery, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass; Department of Vascular Surgery, Erasmus University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Nicholas J Swerdlow
- Division of Vascular and Endovascular Surgery, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass
| | - Livia E M V de Guerre
- Division of Vascular and Endovascular Surgery, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass
| | - Kirsten Dansey
- Division of Vascular and Endovascular Surgery, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass
| | - Devin S Zarkowsky
- Division of Vascular and Endovascular Surgery, University of California San Francisco, San Francisco, Calif
| | - Philip P Goodney
- Division of Vascular and Endovascular Surgery, Dartmouth-Hitchcock Medical Center, Lebanon, NH
| | - Hence J M Verhagen
- Department of Vascular Surgery, Erasmus University Medical Center Rotterdam, Rotterdam, The Netherlands
| | - Marc L Schermerhorn
- Division of Vascular and Endovascular Surgery, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass.
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Dansey KD, de Guerre LEVM, Swerdlow NJ, Li C, Lu J, Patel PB, Scali ST, Giles KA, Schermerhorn ML. A comparison of administrative data and quality improvement registries for abdominal aortic aneurysm repair. J Vasc Surg 2020; 73:874-888. [PMID: 32682065 DOI: 10.1016/j.jvs.2020.06.105] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Accepted: 06/13/2020] [Indexed: 12/21/2022]
Abstract
OBJECTIVE Databases are essential in evaluating surgical outcomes and gauging the implementation of new techniques. However, there are important differences in how data from administrative databases and surgical quality improvement (QI) registries are collected and interpreted. Therefore, we aimed to compare trends, demographics, and outcomes of open and endovascular abdominal aortic aneurysm (AAA) repair in an administrative database and two QI registries. METHODS We identified patients undergoing open and endovascular repair of intact and ruptured AAAs between 2012 and 2015 within the National Inpatient Sample (NIS), the National Surgical Quality Improvement Program (NSQIP), and the Vascular Quality Initiative (VQI). We described the differences and trends in overall AAA repairs for each data set. Moreover, patient demographics, comorbidities, mortality, and complications were compared between the data sets using Pearson χ2 test. RESULTS A total of 140,240 NIS patients, 10,898 NSQIP patients, and 26,794 VQI patients were included. Ruptured repairs composed 8.7% of NIS, 11% of NSQIP, and 7.9% of VQI. Endovascular aneurysm repair (EVAR) rates for intact repair (range, 83%-84%) and ruptured repair (range, 51%-59%) were similar in the three databases. In general, rates of comorbidities were lower in NIS than in the QI registries. After intact EVAR, in-hospital mortality rates were similar in all three databases (NIS 0.8%, NSQIP 1.0%, and VQI 0.8%; P = .06). However, after intact open repair and ruptured repair, in-hospital mortality was highest in NIS and lowest in VQI (intact open: NIS 5.4%, NSQIP 4.7%, and VQI 3.5% [P < .001]; ruptured EVAR: NIS 24%, NSQIP 20%, and VQI 16% [P < .001]; ruptured open: NIS 36%, NSQIP 31%, and VQI 26% [P < .001]). After stratification by intact and ruptured presentation and repair strategy, several discrepancies in morbidity rates remained between the databases. Overall, the number of cases in NSQIP represents 7% to 8% of the repairs in NIS, and the number of cases in VQI grew from 12% in 2012 to represent 23% of the national sample in 2015. CONCLUSIONS NIS had the largest number of patients as it represents the nationwide experience and is an essential tool to evaluate trends over time. The lower in-hospital mortality seen in NSQIP and VQI questions the generalizability of the studies that use these QI registries. However, with a growing number of hospitals engaging in granular QI initiatives, these QI registries provide a valuable resource to potentially improve the quality of care provided to all patients.
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Affiliation(s)
- Kirsten D Dansey
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, Mass
| | - Livia E V M de Guerre
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, Mass; Department of Vascular Surgery, University Medical Center, Utrecht
| | - Nicholas J Swerdlow
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, Mass
| | - Chun Li
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, Mass
| | - Jinny Lu
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, Mass
| | - Priya B Patel
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, Mass
| | - Salvatore T Scali
- Division of Vascular Surgery and Endovascular Therapy, University of Florida Health, Gainesville, Fla
| | - Kristina A Giles
- Division of Vascular Surgery and Endovascular Therapy, University of Florida Health, Gainesville, Fla
| | - Marc L Schermerhorn
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, Mass.
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Allar BG, Swerdlow NJ, Dansey KD, Li C, Wang GJ, Patel VI, Schermerhorn ML. Statin Therapy Is Associated With Higher Midterm Survival After Thoracic Endovascular Aortic Repair. J Vasc Surg 2020. [DOI: 10.1016/j.jvs.2020.04.162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Wu WW, Swerdlow NJ, Dansey K, Shuja F, Wyers MC, Schermerhorn ML. Surgical treatment patterns and clinical outcomes of patients treated for expanding aneurysm sacs with type II endoleaks after endovascular aneurysm repair. J Vasc Surg 2020; 73:484-493. [PMID: 32615284 DOI: 10.1016/j.jvs.2020.05.062] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Accepted: 05/20/2020] [Indexed: 01/23/2023]
Abstract
OBJECTIVE Persistent type II endoleaks (T2ELs) after endovascular aneurysm repair (EVAR) with sac growth have been associated with adverse events, including rupture. Whereas intervention in the presence of aneurysm growth has become an accepted treatment paradigm for T2ELs, the efficacy and clinical success of such interventions remain unclear. Therefore, we examined the treatment patterns and clinical outcomes of patients undergoing T2EL interventions after EVAR. METHODS We performed a retrospective review of all patients treated for expanding aneurysm sacs with T2ELs after EVAR at an academic medical center between 2006 and 2017. The primary outcomes assessed were need for repeated intervention; intervention types; and achievement of clinical success, defined as stable aneurysm sac size on computed tomography angiography after treatment. RESULTS Fifty-six patients underwent 119 interventions, of which 107 (90%) were technically successful. The median time from EVAR to index T2EL procedure was 37 months (interquartile range, 17-56 months), and the median follow-up time from first T2EL procedure was 27 months (interquartile range, 10-51 months). The most common index procedure was transarterial lumbar embolization (64%), followed by transarterial inferior mesenteric artery (20%), transcaval (14%), and translumbar embolization (1.8%). Thirty-three (59%) patients required further procedures for persistent aneurysm sac expansion. For subsequent T2EL interventions, the most common endovascular procedure was transarterial lumbar embolization (21%), followed by transcaval (21%), translumbar (11%), and transarterial inferior mesenteric artery embolization (8.6%). Twelve patients (21%) were found to have loss of proximal or distal seal on subsequent imaging and required graft extensions to stabilize aneurysm sac size. Ten patients (18%) ultimately underwent graft explantation or sacotomy with oversewing of the endoleak source. Freedom from any endoleak-related reintervention was 57% at 1 year and 36% at 3 years. Freedom from open treatment was 93% at 1 year and 82% at 3 years. Of the 44 patients with ≥6-month follow-up, 39 (89%) achieved clinical success. However, only 11 patients (25%) achieved clinical success without any further reintervention, and 29 patients (66%) achieved clinical success without open treatment. CONCLUSIONS Despite high technical success, endoleak recurrence after T2EL treatment is common, and multiple interventions are often needed to stabilize aneurysm sac size in patients diagnosed with T2EL-associated sac growth. Notably, one in five patients treated for T2ELs was discovered, on further evaluation, to have proximal or distal seal zone loss that necessitated repair to achieve sac stability. Thus, thorough assessment of all endoleak types should be performed in patients with T2ELs associated with sac growth before T2EL treatment to ensure appropriate care and to minimize ineffective interventions.
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Affiliation(s)
- Winona W Wu
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, Mass
| | - Nicholas J Swerdlow
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, Mass
| | - Kirsten Dansey
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, Mass
| | - Fahad Shuja
- Division of Vascular and Endovascular Surgery, Mayo Clinic, Rochester, Minn
| | - Mark C Wyers
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, Mass
| | - Marc L Schermerhorn
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, Mass.
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Liang P, Motaganahalli R, Swerdlow NJ, Dansey K, Varkevisser RRB, Li C, Lu J, de Guerre L, Shuja F, Schermerhorn M. Protamine use in transfemoral carotid artery stenting is not associated with an increased risk of thromboembolic events. J Vasc Surg 2020; 73:142-150.e4. [PMID: 32535154 DOI: 10.1016/j.jvs.2020.04.526] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2020] [Accepted: 04/21/2020] [Indexed: 11/30/2022]
Abstract
BACKGROUND Protamine use in carotid endarterectomy has been shown to be associated with fewer perioperative bleeding complications without higher rates of thromboembolic events. However, the effect of protamine use on complications after transfemoral carotid artery stenting (CAS) is unclear, and concerns remain about thromboembolic events. METHODS A retrospective review was performed for patients undergoing transfemoral CAS in the Vascular Quality Initiative from March 2005 to December 2018. We assessed in-hospital outcomes using propensity score-matched cohorts of patients who did and did not receive protamine. The primary outcome was in-hospital stroke or death. Secondary outcomes included bleeding complications, stroke, death, transient ischemic attack, myocardial infarction, and congestive heart failure exacerbation. Bleeding complications were categorized as bleeding resulting in intervention or blood transfusions. RESULTS Of the 17,429 patients undergoing transfemoral CAS, 2697 (15%) patients received protamine. We created 2300 propensity score-matched pairs of patients who did and did not receive protamine. There were no statistically significant differences in stroke or death between the two cohorts (protamine, 2.5%; no protamine, 2.9%; relative risk [RR], 0.85; 95% confidence interval [CI], 0.60-1.21; P = .37). Protamine use was not associated with statistically significant differences in perioperative bleeding complications resulting in interventional treatment (0.9% vs 0.5%; RR, 2.10; 95% CI, 0.99-4.46; P = .05) or blood transfusion (1.2% vs 1.2%; RR, 0.92; 95% CI, 0.53-1.61; P = .78). There were also no statistically significant differences for the individual outcomes of stroke (1.8% vs 2.3%; RR, 0.78; 95% CI, 0.52-1.16; P = .22), death (0.9% vs 0.8%; RR, 1.17; 95% CI, 0.62-2.19; P = .63), transient ischemic attack (1.4% vs 1.3%; RR, 1.10; 95% CI, 0.67-1.82; P = .70), myocardial infarction (0.5% vs 0.4%; RR, 1.20; 95% CI, 0.52-2.78; P = .67), or heart failure exacerbation (1.0% vs 0.9%; RR, 1.05; 95% CI, 0.58-1.90; P = .88). Protamine use in patients presenting with symptomatic carotid stenosis was associated with lower risk of stroke or death (3.0% vs 4.3%; RR, 0.69; 95% CI, 0.47-0.998; P = .048), whereas there were no statistically significant differences in stroke or death with protamine use in asymptomatic patients (1.6% vs 1.0%; RR, 1.63; 95% CI, 0.67-3.92; P = .28). CONCLUSIONS Heparin reversal with protamine after transfemoral CAS is not associated with an increased risk of thromboembolic events, and its use in symptomatic carotid disease is associated with a lower risk of stroke or death.
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Affiliation(s)
- Patric Liang
- Division of Vascular and Endovascular Surgery, Department of Surgery, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Mass
| | - Raghu Motaganahalli
- Division of Vascular Surgery, Department of Surgery, Indiana University School of Medicine, Indianapolis, Ind
| | - Nicholas J Swerdlow
- Division of Vascular and Endovascular Surgery, Department of Surgery, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Mass
| | - Kirsten Dansey
- Division of Vascular and Endovascular Surgery, Department of Surgery, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Mass
| | - Rens R B Varkevisser
- Division of Vascular and Endovascular Surgery, Department of Surgery, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Mass
| | - Chun Li
- Division of Vascular and Endovascular Surgery, Department of Surgery, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Mass
| | - Jinny Lu
- Division of Vascular and Endovascular Surgery, Department of Surgery, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Mass
| | - Livia de Guerre
- Division of Vascular and Endovascular Surgery, Department of Surgery, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Mass
| | - Fahad Shuja
- Division of Vascular and Endovascular Surgery, Department of Surgery, Mayo Clinic, Rochester, Minn
| | - Marc Schermerhorn
- Division of Vascular and Endovascular Surgery, Department of Surgery, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Mass.
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Varkevisser RRB, Swerdlow NJ, de Guerre LEVM, Dansey K, Li C, Liang P, Latz CA, Carvalho Mota MT, Verhagen HJM, Schermerhorn ML. Thoracic Endovascular Aortic Repair With Left Subclavian Artery Coverage Is Associated With a High 30-Day Stroke Incidence With or Without Concomitant Revascularization. J Endovasc Ther 2020; 27:769-776. [PMID: 32436807 DOI: 10.1177/1526602820923044] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Purpose: To evaluate the perioperative stroke incidence following thoracic endovascular aortic repair (TEVAR) with differing left subclavian artery (LSA) coverage and revascularization approaches in a real-world setting of a nationwide clinical registry. Materials and Methods: The National Surgical Quality Improvement Program registry was interrogated from 2005 to 2017 to identify all nonemergent TEVAR and/or open LSA revascularization procedures. In this time frame, 2346 TEVAR cases met the selection criteria for analysis. The 30-day stroke incidence was compared between patients undergoing TEVAR with (n=888) vs without (n=1458) LSA coverage, for those with (n=228) vs without (n=660) concomitant LSA revascularization among those with coverage, and following isolated LSA revascularization for occlusive disease (n=768). Multivariable logistic regression was employed for risk-adjusted analyses and to identify factors associated with stroke following TEVAR. Results of the regression analyses are presented as the adjusted odds ratio (OR) with 95% confidence interval (CI). Results: The stroke incidence was 2.3% following TEVAR without vs 5.2% with LSA coverage (p<0.001). In TEVARs with LSA coverage, the stroke incidence was 7.5% when the LSA was concomitantly revascularized and 4.4% without concomitant revascularization, while stroke occurred in 0.5% of isolated LSA revascularizations. Of 33 TEVAR patients experiencing a perioperative stroke, 8 (24%) died within 30 days. LSA coverage was associated with stroke both with concomitant revascularization (OR 4.0, 95% CI 2.2 to 7.5, p<0.001) and without concomitant revascularization (OR 2.2, 95% CI 1.3 to 3.8, p=0.002). Other preoperative factors associated with stroke were dyspnea (OR 1.8, 95% CI 1.1 to 3.0, p=0.014), renal dysfunction (OR 2.2, 95% CI 1.0 to 3.8, p=0.049), and international normalized ratio ≥2.0 (OR 3.6, 95% CI 1.0 to 13, p=0.045). Conclusion: Stroke following TEVAR with LSA coverage occurs frequently in the real-world setting, and concurrent LSA revascularization was not associated with a lower stroke incidence.
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Affiliation(s)
- Rens R B Varkevisser
- Department of Surgery, Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA.,Department of Vascular Surgery, Erasmus University Medical Center Rotterdam, the Netherlands
| | - Nicholas J Swerdlow
- Department of Surgery, Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Livia E V M de Guerre
- Department of Surgery, Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Kirsten Dansey
- Department of Surgery, Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Chun Li
- Department of Surgery, Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Patric Liang
- Department of Surgery, Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Christopher A Latz
- Division of Vascular and Endovascular Surgery, Massachusetts General Hospital, Boston, MA, USA
| | - Mathijs T Carvalho Mota
- Department of Surgery, Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Hence J M Verhagen
- Department of Vascular Surgery, Erasmus University Medical Center Rotterdam, the Netherlands
| | - Marc L Schermerhorn
- Department of Surgery, Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
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Varkevisser RR, de Guerre LE, Swerdlow NJ, Dansey K, Latz CA, Liang P, Li C, Verhagen HJ, Schermerhorn ML. The Impact of Proximal Clamp Location on Peri-Operative Outcomes Following Open Surgical Repair of Juxtarenal Abdominal Aortic Aneurysms. Eur J Vasc Endovasc Surg 2020; 59:411-418. [DOI: 10.1016/j.ejvs.2019.10.004] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Revised: 09/15/2019] [Accepted: 10/07/2019] [Indexed: 01/19/2023]
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Liang P, Solomon Y, Swerdlow NJ, Li C, Varkevisser RRB, de Guerre LEVM, Schermerhorn ML. In-hospital outcomes alone underestimate rates of 30-day major adverse events after carotid artery stenting. J Vasc Surg 2020; 71:1233-1241. [PMID: 32063441 DOI: 10.1016/j.jvs.2019.06.201] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2019] [Accepted: 06/30/2019] [Indexed: 11/16/2022]
Abstract
OBJECTIVE Outcome studies using databases collecting only hospital discharge data underestimate morbidity and mortality because of failure to capture postdischarge events. The proportion of postdischarge major adverse events is well characterized in patients undergoing carotid endarterectomy (CEA) but has yet to be characterized after carotid artery stenting (CAS). METHODS We retrospectively reviewed all patients undergoing CAS from 2011 to 2017 using the American College of Surgeons National Surgical Quality Improvement Program procedure targeted database to evaluate rates of 30-day major adverse events, stratified by in-hospital and postdischarge occurrences. The primary outcome was 30-day stroke/death. Multivariable analysis using purposeful selection was used to identify independent factors associated with in-hospital, postdischarge, and 30-day stroke/death events. RESULTS Of the 899 patients undergoing CAS, reporting of in-hospital outcomes alone would yield a stroke/death rate of 2.7%, substantially underestimating the 30-day stroke/death rate of 4.0%. In fact, 35% of stroke/deaths, 27% of strokes, 73% of deaths, 35% of cardiac events, and 35% of stroke/death/cardiac events occurred after discharge. More postdischarge stroke/death events occurred after treatment of symptomatic compared with asymptomatic patients (47% vs 27%; P < .001). During this same study period, the 30-day stroke/death rate after CEA was 2.6%, with similar proportions of postdischarge strokes (28% vs 27%; P = .51) compared with CAS but lower proportions of postdischarge deaths (55% vs 73%; P < .001). After CAS, patients experiencing postdischarge stroke/death events had a shorter postoperative length of stay compared with patients with in-hospital stroke/death (1 [1-2] vs 5 [3-10] days; P < .001). Chronic obstructive pulmonary disease was independently associated with postdischarge stroke/death (odds ratio [OR], 4.4; 95% confidence interval [CI], 1.2-16; P = .02) after CAS. Nonwhite ethnicity was independently associated with overall 30-day stroke/death (OR, 3.4; 95% CI, 1.4-7.9; P < .01), whereas statin use was associated with not having stroke/death within 30 days (OR, 0.5; 95% CI, 0.2-1.0; P = .049). CONCLUSIONS More than one-quarter of perioperative strokes occur following discharge after both CAS and CEA. A higher proportion of postdischarge deaths occur after CAS in symptomatic patients, which may reflect treatment of a population of higher risk patients. Further investigation is needed to elucidate the cause of postdischarge stroke to develop methods to reduce these complications.
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Affiliation(s)
- Patric Liang
- Division of Vascular and Endovascular Surgery, Department of Surgery, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Mass
| | - Yoel Solomon
- Division of Vascular and Endovascular Surgery, Department of Surgery, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Mass
| | - Nicholas J Swerdlow
- Division of Vascular and Endovascular Surgery, Department of Surgery, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Mass
| | - Chun Li
- Division of Vascular and Endovascular Surgery, Department of Surgery, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Mass
| | - Rens R B Varkevisser
- Division of Vascular and Endovascular Surgery, Department of Surgery, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Mass
| | - Livia E V M de Guerre
- Division of Vascular and Endovascular Surgery, Department of Surgery, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Mass
| | - Marc L Schermerhorn
- Division of Vascular and Endovascular Surgery, Department of Surgery, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Mass.
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de Guerre LEVM, Varkevisser RRB, Swerdlow NJ, Liang P, Li C, Dansey K, van Herwaarden JA, Schermerhorn ML. Sex differences in perioperative outcomes after complex abdominal aortic aneurysm repair. J Vasc Surg 2020; 71:374-381. [PMID: 31280978 PMCID: PMC6942245 DOI: 10.1016/j.jvs.2019.04.479] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Accepted: 04/14/2019] [Indexed: 01/15/2023]
Abstract
OBJECTIVE Female sex is associated with worse outcomes after infrarenal abdominal aortic aneurysm (AAA) repair. However, the impact of female sex on complex AAA repair is poorly characterized. Therefore, we compared outcomes between female and male patients after open and endovascular treatment of complex AAA. METHODS We identified all patients who underwent complex aneurysm repair between 2011 and 2017 in the American College of Surgeons National Surgical Quality Improvement Program targeted vascular module. Complex repairs were defined as those for juxtarenal, pararenal, or suprarenal aneurysms. We compared rates of perioperative adverse events between female and male patients stratified by open AAA repair and endovascular aneurysm repair (EVAR). We calculated propensity scores and used inverse probability-weighted logistic regression to identify independent associations between female sex and our outcomes. RESULTS We identified 2270 complex aneurysm repairs, of which 1260 were EVARs (21.4% female) and 1010 were open repairs (30.7% female). After EVAR, female patients had higher rates of perioperative mortality (6.3% vs 2.4%; P = .001) and major complications (15.9% vs 7.6%; P < .001) compared with male patients. In contrast, after open repair, perioperative mortality was not significantly different (7.4% vs 5.6%; P = .3), and the rate of major complications was similar (29.4% vs 27.4%; P = .53) between female and male patients. Furthermore, even though perioperative mortality was significantly lower after EVAR compared with open repair for male patients (2.4% vs 5.6%; P = .001), this difference was not significant for women (6.3% vs 7.4%; P = .60). On multivariable analysis, female sex remained independently associated with higher perioperative mortality (odds ratio [OR], 2.5; 95% confidence interval [CI], 1.3-4.9; P = .007) and major complications (OR, 2.0; 95% CI, 1.3-3.2; P = .002) in patients treated with EVAR but showed no significant association with mortality (OR, 0.9; 95% CI, 0.5-1.6; P = .69) or major complications (OR, 1.1; 95% CI, 0.8-1.5; P = .74) after open repair. However, the association of female sex with higher perioperative mortality in patients undergoing complex EVAR was attenuated when diameter was replaced with aortic size index in the multivariable analysis (OR, 1.9; 95% CI, 0.9-3.9; P = .091). CONCLUSIONS Female sex is associated with higher perioperative mortality and more major complications than for male patients after complex EVAR but not after complex open repair. Continuous efforts are warranted to improve the sex discrepancies in patients undergoing endovascular repair of complex AAA.
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Affiliation(s)
- Livia E V M de Guerre
- Divisions of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, Mass; Department of Vascular Surgery, University Medical Center, Utrecht, The Netherlands
| | - Rens R B Varkevisser
- Divisions of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, Mass
| | - Nicholas J Swerdlow
- Divisions of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, Mass
| | - Patric Liang
- Divisions of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, Mass
| | - Chun Li
- Divisions of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, Mass
| | - Kirsten Dansey
- Divisions of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, Mass
| | | | - Marc L Schermerhorn
- Divisions of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, Mass.
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Varkevisser RR, O'Donnell TF, Swerdlow NJ, Liang P, Li C, Ultee KH, Patel VI, Scali ST, Verhagen HJ, Schermerhorn ML. Factors associated with in-hospital complications and long-term implications of these complications in elderly patients undergoing endovascular aneurysm repair. J Vasc Surg 2020; 71:470-480.e1. [DOI: 10.1016/j.jvs.2019.03.059] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2019] [Accepted: 03/26/2019] [Indexed: 12/21/2022]
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Dansey KD, Pothof AB, Zettervall SL, Swerdlow NJ, Liang P, Schneider JR, Nolan BW, Schermerhorn ML. Clinical impact of sex on carotid revascularization. J Vasc Surg 2020; 71:1587-1594.e2. [PMID: 32014286 DOI: 10.1016/j.jvs.2019.07.088] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2019] [Accepted: 07/02/2019] [Indexed: 12/21/2022]
Abstract
BACKGROUND The impact of sex in the management of carotid disease is unclear in the current literature. Therefore, we evaluated the effect of sex on perioperative outcomes following carotid endarterectomy (CEA) and carotid artery stenting (CAS). METHODS We included patients who underwent CEA or CAS between 2012 and 2017 in the Vascular Quality Initiative database. Our primary outcome was perioperative stroke/death. Secondary outcomes were in-hospital stroke, 30-day mortality, and in-hospital MI. We compared perioperative outcomes between female and male patients, stratified by treatment modality and symptom status, and used multivariable regression to account for differences in baseline characteristics. RESULTS A total of 83,436 patients underwent either a CEA (71,383) or CAS (12,053). Asymptomatic and symptomatic CEA females were less likely to be on a preoperative antiplatelet agent, when compared to males. Females overall, were less likely to be on a preoperative statin and more likely to have chronic obstructive pulmonary disease. Within the CAS cohort, females were more likely to have a previous ipsilateral CEA. There were no differences between males and females in major adverse events following CEA for asymptomatic disease. Following CEA for symptomatic disease, there was no difference in stroke/death rate or in-hospital stroke. However, females experienced a higher 30-mortality after adjustment (univariate: 1.0% vs 0.7%, P = .04; adjusted: odds ratio [OR], 1.4:1.02-1.94). Following CAS for asymptomatic disease, females experienced a higher rate of perioperative stroke/death (2.9% vs 1.9% P = .02; OR, 1.5: 1.05-2.03) and in-hospital stroke (2.1% vs 1.2% P = .01; OR, 1.8: 1.20-2.60). There were no differences in outcomes for symptomatic females vs males undergoing CAS. CONCLUSIONS Females with carotid disease less frequently receive optimal medical treatment with antiplatelet agents and statins. This is an important target area for quality improvement issue in both females and males. Furthermore, among symptomatic CEA patients the female sex is associated with higher mortality and among asymptomatic CAS patients, females experience higher rates of stroke/death. These findings suggest that careful patient selection is necessary in the treatment of female patients. Quality improvement projects should be created to further investigate and eliminate the disparities of optimal medical management between the sexes.
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Affiliation(s)
- Kirsten D Dansey
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, Mass
| | - Alexander B Pothof
- Department of Vascular Surgery, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Sara L Zettervall
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, Mass
| | - Nicholas J Swerdlow
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, Mass
| | - Patric Liang
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, Mass
| | | | - Brian W Nolan
- Division of Vascular and Endovascular Surgery, Maine Medical Center, Portland, Me
| | - Marc L Schermerhorn
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, Mass.
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Zettervall SL, Dansey K, Swerdlow NJ, Soden P, Evenson A, Schermerhorn ML. Aspartate transaminase to platelet ratio index and Model for End-Stage Liver Disease scores are associated with morbidity and mortality after endovascular aneurysm repair among patients with liver dysfunction. J Vasc Surg 2020; 72:904-909. [PMID: 31964569 DOI: 10.1016/j.jvs.2019.10.101] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2019] [Accepted: 10/26/2019] [Indexed: 11/27/2022]
Abstract
BACKGROUND Liver cirrhosis dramatically increases morbidity and mortality after open surgical procedures and is often a contraindication to open repair of abdominal aortic aneurysms. However, limited data have evaluated the effect of liver disease on outcomes after endovascular repair of aortic aneurysms. METHODS The National Surgical Quality Improvement Program was used to evaluate all nonemergent endovascular aneurysm repairs (EVARs) from 2005 to 2016. The aspartate transaminase to platelet ratio index is a sensitive, noninvasive screening tool used to screen for liver disease and was calculated for all patients. A value >0.5 was used to identify those with significant liver fibrosis. Demographics, comorbidities, and 30-day outcomes were then compared between patients with and patients without fibrosis. Additional analysis was then completed to assess the effect of increasing Model for End-Stage Liver Disease (MELD) score on 30-day outcomes. Multivariable regression was used to account for differences in baseline factors. RESULTS EVAR was performed on 18,484 patients including 2286 with liver fibrosis and 16,198 without. Patients with liver fibrosis had an increased 30-day mortality (1.5% vs 2.4%; P < .01) and significantly higher rates of major morbidities including return to the operating room, pulmonary complications, transfusion, and discharge other than home. After multivariable analysis, patients with liver fibrosis had a significant increase in 30-day mortality (odds ratio [OR], 1.5; 95% confidence interval [CI], 1.1-2.1), return to the operating room (OR, 1.5; 95% CI, 1.2-1.8), pulmonary complications (OR, 1.6; 95% CI, 1.2-2.0), transfusion (OR, 1.7; 95% CI, 1.5-2.0), and discharge other than home (OR, 1.5; 95% CI, 1.3-1.8). In further analysis, mortality also increased in a stepwise fashion with increasing MELD score (MELD <10, 1.3%; MELD 10-15, 2.3%; MELD >15, 4.7%; P < .01), as did major complications (MELD <10, 7%; MELD 10-15, 11%; MELD >15, 15%; P < .01). These increases persisted in adjusted analysis. CONCLUSIONS Liver fibrosis significantly increases mortality and major morbidity after EVAR. The aspartate transaminase to platelet ratio index and MELD score should be used for preoperative risk stratification. Moreover, current 30-day morbidity and mortality rates among patients with MELD scores >10 exceed 5%, which is higher than the annual rupture risk for aneurysms <6 cm. Therefore, an increased size threshold of >6 cm may be warranted before EVAR in patients with liver fibrosis.
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Affiliation(s)
- Sara L Zettervall
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, Mass
| | - Kirsten Dansey
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, Mass
| | - Nicholas J Swerdlow
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, Mass
| | - Peter Soden
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, Mass
| | - Amy Evenson
- Division of Transplantation, Beth Israel Deaconess Medical Center, Boston, Mass
| | - Marc L Schermerhorn
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, Mass.
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Varkevisser RRB, Swerdlow NJ, Verhagen HJM, Lyden SP, Schermerhorn ML. Similar 5-year outcomes between female and male patients undergoing elective endovascular abdominal aortic aneurysm repair with the Ovation stent graft. J Vasc Surg 2019; 72:114-121. [PMID: 31843301 DOI: 10.1016/j.jvs.2019.08.275] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2019] [Accepted: 08/21/2019] [Indexed: 10/25/2022]
Abstract
OBJECTIVE Female patients undergoing endovascular aneurysm repair (EVAR) for infrarenal abdominal aortic aneurysms present with more challenging anatomy and historically have worse outcomes compared with men. The Ovation Abdominal Stent Graft platform (Endologix, Irving, Calif) contains a polymer-filled proximal sealing ring and has a low-profile delivery system, potentially beneficial in female patients. We therefore investigated differences in long-term outcomes between men and women treated with this device. METHODS We used data collected prospectively in the Effectiveness of Custom Seal with Ovation: Review of the Evidence (ENCORE) database, comprising five trials and the European Post-Market Registry. Anatomic characteristics of the proximal aneurysm neck and iliac arteries were compared between male and female patients. Outcomes were 5-year freedom from type IA and type I/III endoleaks, abdominal aortic aneurysm-related reinterventions, and overall survival. We used Kaplan-Meier analysis to estimate survival proportions and tested univariate differences in survival using log-rank tests. Cox proportional hazards modeling was used to adjust for baseline differences. RESULTS We identified 1045 (81%) male and 251 (19%) female patients undergoing EVAR. Female patients were older (mean age, 75 ± 8.4 years vs 73 ± 8.1 years; P < .006). Aneurysm diameter (52 ± 7.5 mm vs 55 ± 9.2 mm; P < .001) and proximal neck diameter (21 ± 3.3 mm vs 23 ± 2.9 mm; P < .001) were smaller in female patients, but adjusted for body surface area, female patients had relatively larger aneurysms and aneurysm necks. Furthermore, female patients presented with shorter proximal necks, smaller iliac artery diameters, more angulated necks, and higher rates of reverse-tapered necks. Five-year freedom from type IA endoleak was similar between men and women (97% vs 96%; P = .38), as was freedom from type I/III endoleaks (91% vs 94%; P = .37) and reinterventions (91% vs 93%; P = .67). Five-year survival was 81% for female patients, similar to the 79% in male patients (P = .55), with one aneurysm-related death in female patients (0.4%) and five in male patients (0.8%; P = .76). Risk-adjusted analyses showed no association between sex and type IA endoleak (hazard ratio [HR], 1.4; 95% confidence interval [CI], 0.6-3.1; P = .41), type I/III endoleak (HR, 1.4; 95% CI, 0.7-2.8; P = .33), reintervention (HR, 1.0; 95% CI, 0.6-2.0; P = .77), and overall mortality (HR, 0.7; 95% CI, 0.4-1.1; P = .14). CONCLUSIONS Female patients undergoing EVAR with the Ovation platform presented with substantially more adverse proximal neck characteristics. Despite these differences, 5-year freedom from endoleaks and overall survival did not differ between sexes.
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Affiliation(s)
- Rens R B Varkevisser
- Division of Vascular and Endovascular Surgery, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass; Department of Vascular Surgery, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Nicholas J Swerdlow
- Division of Vascular and Endovascular Surgery, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass
| | - Hence J M Verhagen
- Department of Vascular Surgery, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Sean P Lyden
- Department of Vascular Surgery, Cleveland Clinic, Cleveland, Ohio
| | - Marc L Schermerhorn
- Division of Vascular and Endovascular Surgery, Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass.
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Varkevisser RR, Carvalho Mota MT, Swerdlow NJ, Verhagen HJ, Schermerhorn ML. 15-Year Age-stratified Outcomes after Endovascular and Open Abdominal Aortic Aneurysm Repair. Eur J Vasc Endovasc Surg 2019. [DOI: 10.1016/j.ejvs.2019.09.484] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Varkevisser RR, Swerdlow NJ, de Guerre LE, Dansey K, Li C, Liang P, Latz CA, Carvalho Mota MT, Verhagen HJ, Schermerhorn ML. Stroke Following Thoracic Endovascular Aortic Repair and the Impact of Left Subclavian Artery Management. Eur J Vasc Endovasc Surg 2019. [DOI: 10.1016/j.ejvs.2019.09.184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Varkevisser RR, de Guerre LE, Swerdlow NJ, Dansey K, Latz CA, Liang P, Li C, Verhagen HJ, Schermerhorn ML. The Impact of Proximal Clamp Location on Perioperative Outcomes for Open Surgical Repair of Juxtarenal Abdominal Aortic Aneurysms. Eur J Vasc Endovasc Surg 2019. [DOI: 10.1016/j.ejvs.2019.09.164] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Abstract
Background and Purpose- Patients undergoing surgery on the weekend may experience worse outcomes, but this weekend effect has not been studied in carotid endarterectomy (CEA). Methods- We identified patients undergoing isolated CEA in the Vascular Quality Initiative between 2003 and 2018. Our primary outcome was in-hospital stroke or perioperative death (stroke/death), stratified by symptom status. For asymptomatic patients, we also compared rates of the Centers for Medicare and Medicaid Services quality metric prolonged length of stay (>2 days or failed discharge home). We calculated propensity scores and used multilevel, inverse probability weighted logistic regression clustering at the hospital level. Results- There were 86 123 repairs during the study period, 53% asymptomatic lesions and 47% symptomatic. Only 0.7% of asymptomatic patients underwent CEA on the weekend, compared with 3.1% of symptomatic patients. Patients undergoing weekend repairs were more often white, with lower rates of most comorbidities. In asymptomatic patients, weekend operations were associated significantly higher odds of stroke/death (odds ratio [OR], 2.3 [1.1-4.8]; P=0.02), and prolonged length of stay (OR, 3.6 [2.7-4.7]; P<0.001). In symptomatic patients, weekend operations were associated with significantly higher adjusted odds of stroke/death (OR, 1.7 [1.2-2.4]; P=0.007) and longer postoperative length of stay (3.3 days versus 2.0 days, P=0.002). However, the difference in stroke/death was driven by patients presenting with stroke (OR, 2.2 [1.5-2.3]; P<0.001), rather than those presenting with transient ischemic attack (OR, 1.2 [0.6-2.1]; P=0.56). Conclusions- We found evidence of a significant weekend effect in CEA, as weekend operations in asymptomatic patients and patients who presented with stroke were associated with higher rates of stroke/death and prolonged length of stay. However, there was no evidence of such an effect in patients with transient ischemic attack. These data suggest that weekend CEA should be avoided except in the case of expedited revascularization after transient ischemic attack.
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Affiliation(s)
- Thomas F X O'Donnell
- From the Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, MA (T.F.X.O., M.L.S., P.L., C.L., N.J.S., M.C.W.).,Department of Surgery, Massachusetts General Hospital, Boston (T.F.X.O.)
| | - Marc L Schermerhorn
- From the Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, MA (T.F.X.O., M.L.S., P.L., C.L., N.J.S., M.C.W.)
| | - Patric Liang
- From the Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, MA (T.F.X.O., M.L.S., P.L., C.L., N.J.S., M.C.W.)
| | - Chun Li
- From the Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, MA (T.F.X.O., M.L.S., P.L., C.L., N.J.S., M.C.W.)
| | - Nicholas J Swerdlow
- From the Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, MA (T.F.X.O., M.L.S., P.L., C.L., N.J.S., M.C.W.)
| | - Grace J Wang
- Division of Vascular and Endovascular Surgery, University of Pennsylvania, Philadelphia (G.J.W.)
| | - Kristina A Giles
- Division of Vascular and Endovascular Surgery, University of Florida Health, Gainesville (K.A.G.)
| | - Mark C Wyers
- From the Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, MA (T.F.X.O., M.L.S., P.L., C.L., N.J.S., M.C.W.)
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Swerdlow NJ, Lyden SP, Verhagen HJM, Schermerhorn ML. Five-year results of endovascular abdominal aortic aneurysm repair with the Ovation abdominal stent graft. J Vasc Surg 2019; 71:1528-1537.e2. [PMID: 31515176 DOI: 10.1016/j.jvs.2019.06.196] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2019] [Accepted: 06/18/2019] [Indexed: 12/16/2022]
Abstract
OBJECTIVE Endovascular abdominal aortic aneurysm repair (EVAR) has been rigorously compared with open repair for the treatment of abdominal aortic aneurysms in randomized trials and observational studies, but a comparison of individual devices is lacking, and single-device registries and trials are limited by small sample size. Here we report a descriptive analysis of the Effectiveness of Custom Seal with Ovation: Review of the Evidence (ENCORE) database, pooled results of multiple studies evaluating the midterm results of EVAR with the Ovation Abdominal Stent Graft Platform. METHODS This is a retrospective analysis of the ENCORE database, a cohort of patients undergoing EVAR with the Ovation platform composed of pooled, prospectively collected data from 1296 patients from five clinical trials and the prospectively maintained European Union Post-Market Registry. The primary outcomes were 5-year rates of type IA and type I or III endoleak. Secondary outcomes included were 30-day mortality, 30-day major adverse event, technical success (successful deployment of the aortic body and iliac limbs), as well as 5-year survival, and freedom from aneurysm-related mortality, type II endoleak, device-related intervention, aneurysm rupture, sac expansion, and conversion to open repair. RESULTS A total of 1296 patients were included in the analysis. The average age was 73 ± 8 years and 81% of patients were male. Fifty percent of patients had complex aortic anatomy, (neck length <10 mm, neck diameter >28 mm, neck angle >60°, reverse neck taper >10%, distal common iliac artery diameter <10 mm, or external iliac artery diameter <6 mm). Technical success was 99.7%. Thirty-day mortality was 0.3%, 30-day rate of major adverse event was 1.6%, and polymer leak rate was 0.2%. Freedom from type IA endoleak at 1, 3, and 5 years was 97.6%, 97.1%, and 95.8%, respectively; type I or III endoleak at 1, 3, and 5 years was 96.9%, 95.7%, and 94.0%, respectively. Freedom from device-related reintervention at 1, 3, and 5 years was 96.2%, 94.4%, and 92.4% and primary freedom from sac expansion was 97.0% at 1 year, 90.3% at 3 years, and 84.9% at 5 years. Freedom from all-cause mortality and aneurysm-related mortality at 5 years were 78.9% and 99.3%, respectively. CONCLUSIONS This analysis of the ENCORE database demonstrates that EVAR with the Ovation platform has favorable midterm durability evidenced by successful aneurysm exclusion and 5-year freedom from aneurysm-related mortality.
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Affiliation(s)
- Nicholas J Swerdlow
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, Mass
| | - Sean P Lyden
- Department of Vascular Surgery, Cleveland Clinic, Cleveland, Ohio
| | - Hence J M Verhagen
- Department of Vascular Surgery, Erasmus University Medical Centre, Rotterdam, The Netherlands
| | - Marc L Schermerhorn
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, Mass.
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Swerdlow NJ, Varkevisser RRB, Soden PA, Zettervall SL, McCallum JC, Li C, Wyers MC, Schermerhorn ML. Thirty-Day Outcomes After Open Revascularization for Acute Mesenteric Ischemia From the American College of Surgeons National Surgical Quality Improvement Program. Ann Vasc Surg 2019; 61:148-155. [PMID: 31382003 DOI: 10.1016/j.avsg.2019.05.024] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2019] [Revised: 05/01/2019] [Accepted: 05/06/2019] [Indexed: 12/25/2022]
Abstract
BACKGROUND Open revascularization for acute mesenteric ischemia (AMI) is associated with high perioperative morbidity and mortality; however, results from contemporary studies are varied. Therefore, we evaluated 30-day mortality after open revascularization for AMI and identified preoperative factors associated with mortality. METHODS We performed a retrospective cohort study of patients in the American College of Surgeons National Surgical Quality Improvement Program database undergoing open mesenteric revascularization for AMI from 2005 to 2017. The primary outcome was 30-day mortality. We used multivariable logistic regression to identify preoperative factors independently associated with 30-day mortality. RESULTS The study cohort included 918 patients; their median age was 70 years (interquartile range: 59-80 years), 62% were female, and 90% were white. Thirty-day mortality after open revascularization for AMI was 32%, specifically 35% after embolectomy, 31% after thromboendarterectomy, and 28% after mesenteric bypass. Mortality was higher in patients requiring concomitant bowel resection (38% vs. 29%, respectively, P < 0.01). The preoperative factor most strongly associated with 30-day mortality was disseminated cancer (odds ratio = 8.8, 95% confidence interval = 2.4-32, P = 0.001). Other factors independently associated with mortality were renal dysfunction, preoperative intubation, preoperative blood transfusion, diabetes, elevated preoperative international normalized ratio, elevated preoperative white blood cell count, and increasing age. CONCLUSIONS In this retrospective cohort study using a real-world, nationwide cohort, open revascularization for AMI was associated with high mortality, with nearly one-third of patients dying within 30 days of their operation. The factors identified to be independently associated with 30-day mortality, particularly disseminated cancer, preoperative renal dysfunction, and elevated preoperative WBC count, are an important tool for preoperative risk stratification.
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Affiliation(s)
- Nicholas J Swerdlow
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, MA
| | - Rens R B Varkevisser
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, MA; Department of Vascular Surgery, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Peter A Soden
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, MA
| | - Sara L Zettervall
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, MA
| | - John C McCallum
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, MA
| | - Chun Li
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, MA
| | - Mark C Wyers
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, MA
| | - Marc L Schermerhorn
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, MA.
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Li C, De Guerre L, Swerdlow NJ, Varkevisser RR, Dansey K, Stangenberg L, Jones DW, Schermerhorn ML. PC070. Surgeons and Centers Participating in the Vascular Quality Initiative Have Low Rates of Stroke/Death Across All Volume Categories. J Vasc Surg 2019. [DOI: 10.1016/j.jvs.2019.04.328] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Dansey K, Swerdlow NJ, Varkevisser RR, Li C, Lu J, Latz CA, Schermerhorn ML. IP057. Endovascular Aneurysm Repair Has Surpassed Open Repair as the Primary Treatment Modality for Ruptured Abdominal Aortic Aneurysm in the United States. J Vasc Surg 2019. [DOI: 10.1016/j.jvs.2019.04.153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Swerdlow NJ, Liang P, Li C, Dansey K, Varkevisser RR, Patel V, Wang GJ, Schermerhorn ML. RS08. Rate of Stroke Following Endovascular Aortic Interventions in the Society for Vascular Surgery Vascular Quality Initiative. J Vasc Surg 2019. [DOI: 10.1016/j.jvs.2019.04.123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Swerdlow NJ, Wu WW, Shuja F, Wyers MC, Schermerhorn ML. PC022. Treatment Patterns and Outcomes of Patients Treated for Type II Endoleak After Endovascular Aneurysm Repair. J Vasc Surg 2019. [DOI: 10.1016/j.jvs.2019.04.305] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Swerdlow NJ, Varkevisser RR, Liang P, Li C, De Guerre L, Dansey K, Schermerhorn ML. RS09. Use of Arm Access During Complex Endovascular Abdominal Aortic Aneurysm Repair Is Associated With a High Rate of Perioperative Stroke. J Vasc Surg 2019. [DOI: 10.1016/j.jvs.2019.04.124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Solomon Y, Swerdlow NJ, Liang P, Varkevisser RR, Li C, Jones DW, de Borst G, Schermerhorn ML. IP111. Association Between Physiologic and Anatomic Medicare High-Risk Factors and Outcomes After Carotid Revascularization. J Vasc Surg 2019. [DOI: 10.1016/j.jvs.2019.04.179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Latz CA, Schwartz SI, Swerdlow NJ, Dansey K, Varkevisser R, Boitano LT, Patel V, Schermerhorn ML. IPC09. Mortality Following Elective Open Repair of Complex Abdominal Aortic Aneurysms and Associated Predictors. J Vasc Surg 2019. [DOI: 10.1016/j.jvs.2019.04.084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Solomon Y, Varkevisser RR, Swerdlow NJ, Li C, Liang P, Siracuse JJ, de Borst G, Schermerhorn ML. PC050. An Update on Outcomes After Carotid Artery Stenting Stratified by Preprocedural Symptom Status. J Vasc Surg 2019. [DOI: 10.1016/j.jvs.2019.04.318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Varkevisser RR, O'Donnell TF, Swerdlow NJ, Liang P, Li C, Ultee KH, Pothof AB, De Guerre LE, Verhagen HJ, Schermerhorn ML. Fenestrated endovascular aneurysm repair is associated with lower perioperative morbidity and mortality compared with open repair for complex abdominal aortic aneurysms. J Vasc Surg 2019; 69:1670-1678. [DOI: 10.1016/j.jvs.2018.08.192] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2018] [Accepted: 08/31/2018] [Indexed: 10/27/2022]
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Wu WW, Liang P, O'Donnell TFX, Swerdlow NJ, Li C, Wyers MC, Schermerhorn ML. Anatomic eligibility for transcarotid artery revascularization and transfemoral carotid artery stenting. J Vasc Surg 2019; 69:1452-1460. [PMID: 30853384 PMCID: PMC6478535 DOI: 10.1016/j.jvs.2018.11.051] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2018] [Accepted: 11/13/2018] [Indexed: 02/04/2023]
Abstract
OBJECTIVE Transcarotid artery revascularization (TCAR) has emerged as an alternative to transfemoral carotid artery stenting (tfCAS). We investigated the proportion of carotid arteries undergoing revascularization procedures that would be eligible for TCAR based on anatomic criteria and how many arteries at high anatomic risk for tfCAS would be amenable to TCAR. METHODS We performed a retrospective review of consecutive patients who underwent carotid endarterectomy or carotid stenting between 2012 and 2015. Patients were excluded if computed tomography angiography of the neck was not performed within 6 months of the procedure. We assessed TCAR eligibility on the basis of the instructions for use of the ENROUTE Transcarotid Neuroprotection System (Silk Road Medical, Sunnyvale, Calif) and high anatomic risk for tfCAS on the basis of anatomic factors known to make carotid cannulation more difficult or hazardous. RESULTS Of the 118 patients and 236 carotid arteries identified, 12 carotid arteries were excluded for presence of an occluded internal carotid artery (ICA). Of the remaining 224 carotid arteries, 72% were eligible for TCAR on the basis of the instructions for use criteria; 100% had 4- to 9-mm ICA diameters, 100% had ≥6-mm common carotid artery (CCA) diameter, 75% had ≥5-cm clavicle to carotid bifurcation distance, and 96% lacked significant CCA puncture site plaque. In addition, 7% of carotid arteries had bifurcation anatomy unfavorable for stenting; thus, of the entire cohort of arteries examined, 68% were eligible for TCAR. Hyperlipidemia (odds ratio [OR], 6.7; 95% confidence interval [CI], 1.7-26; P < .01), chronic obstructive pulmonary disease (OR, 3.5; 95% CI, 1.5-8.3; P < .01), and older age (OR, 1.1; 95% CI, 1.0-1.1; P < .01) were independently associated with TCAR ineligibility, whereas white race (OR, 0.2; 95% CI, 0.0-1.0; P = .048) and beta-blocker use (OR, 0.3; 95% CI, 0.1-0.7; P < .01) were independently associated with TCAR eligibility. In addition, 24% of carotid arteries were considered to be at high risk for tfCAS for the presence of a type III aortic arch (7.6%), severe aortic calcification (3.3%), tandem CCA lesions (7.1%), moderate to severe stenosis at the carotid ostium (8.9%), and tortuous distal ICA precluding embolic filter placement (4.5%). Active smoking (OR, 4.4; 95% CI, 1.9-10; P < .01), hyperlipidemia (OR, 4.0; 95% CI, 1.2-14; P = .03), and older age (OR, 1.1; 95% CI, 1.0-1.1; P = .02) were independently associated with tfCAS ineligibility, whereas preoperative aspirin (OR, 0.1; 95% CI, 0.0-0.4; P < .001) or clopidogrel (OR, 0.3; 95% CI, 0.1-0.8; P = .01) use was associated with tfCAS eligibility. Of the arteries that were considered to be at high risk for tfCAS, 69% were eligible for TCAR. CONCLUSIONS The majority of carotid arteries in individuals selected for revascularization meet TCAR eligibility, making TCAR a viable treatment option for many patients.
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Affiliation(s)
- Winona W Wu
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, Mass
| | - Patric Liang
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, Mass
| | - Thomas F X O'Donnell
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, Mass; Department of Surgery, Massachusetts General Hospital, Boston, Mass
| | - Nicholas J Swerdlow
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, Mass
| | - Chun Li
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, Mass
| | - Mark C Wyers
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, Mass
| | - Marc L Schermerhorn
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, Mass.
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Swerdlow NJ, Jones DW, Pothof AB, O'Donnell TF, Liang P, Li C, Wyers MC, Schermerhorn ML. Three-dimensional image fusion is associated with lower radiation exposure and shorter time to carotid cannulation during carotid artery stenting. J Vasc Surg 2019; 69:1111-1120. [DOI: 10.1016/j.jvs.2018.07.038] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2018] [Accepted: 07/09/2018] [Indexed: 12/12/2022]
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Liang P, O'Donnell TFX, Swerdlow NJ, Li C, Lee A, Wyers MC, Hamdan AD, Schermerhorn ML. Preoperative risk score for access site failure in ultrasound-guided percutaneous aortic procedures. J Vasc Surg 2019; 70:1254-1262.e1. [PMID: 30852039 DOI: 10.1016/j.jvs.2018.12.025] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2018] [Accepted: 12/12/2018] [Indexed: 12/17/2022]
Abstract
OBJECTIVE The factors associated with access site failure after ultrasound-guided percutaneous access for aortic endograft procedures remain poorly characterized. We developed a prediction model to risk stratify patients for access site failure. METHODS We performed a retrospective institutional review of consecutive patients who underwent endovascular aneurysm repair (EVAR), fenestrated EVAR (FEVAR), or thoracic endovascular aortic repair (TEVAR) from 2014 to 2016. We excluded patients undergoing direct aortic access through sternotomy and patients treated with physician-modified endografts, given reporting restrictions. Our primary outcome was groin access site failure, which included bleeding and thrombosis. An 8-point risk model was created for access site failure using multivariable fractional polynomials and internally validated using bootstrapping. RESULTS We identified 469 femoral arteries from 247 patients undergoing endovascular aortic repair procedures (EVAR, 75%; FEVAR, 8.0%; TEVAR, 17%). Surgeons performed percutaneous access in 97.2% of the femoral arteries, with 99.6% ultrasound use. Twenty-seven (5.9%) access site failures occurred (17 bleeding, 10 thrombosis), all treated with groin cutdown, for a successful percutaneous femoral artery access rate of 94%. Of the 215 patients with attempted bilateral percutaneous access, 90% had successful bilateral access. However, FEVAR had lower rates of successful bilateral access (FEVAR, 78%; EVAR, 91%; TEVAR, 94%; P = .03). Factors independently associated with percutaneous access site failure were femoral artery outer wall diameter (per millimeter increase: odds ratio [OR], 0.003 [0.0002-0.1]; P < .001), femoral artery stenosis >50% (OR, 22.3 [2.7-183.2]; P < .01), and urgent/emergent intervention (OR, 3.6 [1.2-11.0]; P = .03). A risk prediction model based on these criteria produced a C statistic of 0.89, a Hosmer-Lemeshow goodness of fit of 0.99, and a Brier score of 0.04. Excluding treatment for ruptured aneurysms, cutdown for access failure and planned initial groin cutdown resulted in longer postoperative lengths of stay and higher rates of access-related readmission, return to operating room, groin infection, and myocardial infarction compared with successful percutaneous access. There was no difference in major adverse events between planned initial groin cutdown and cutdown after failure; however, the small number of patients in these two comparison groups limits the statistical power to detect a difference. CONCLUSIONS Percutaneous ultrasound-guided access can be safely performed in almost all patients undergoing endovascular aortic procedures, but access site failures do occur. This risk score can help users select patients with high likelihood of success, identify patients who need close scrutiny with postclosure femoral duplex ultrasound, and provide patient guidance about risk of unplanned groin cutdown.
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Affiliation(s)
- Patric Liang
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, Mass
| | - Thomas F X O'Donnell
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, Mass
| | - Nicholas J Swerdlow
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, Mass
| | - Chun Li
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, Mass
| | - Andy Lee
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, Mass
| | - Mark C Wyers
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, Mass
| | - Allen D Hamdan
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, Mass
| | - Marc L Schermerhorn
- Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Boston, Mass.
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O'Donnell TF, Wade JE, Liang P, Li C, Swerdlow NJ, DeMartino RR, Malas MB, Landon BE, Schermerhorn ML. Endovascular aneurysm repair in patients over 75 is associated with excellent 5-year survival, which suggests benefit from expanded screening into this cohort. J Vasc Surg 2019; 69:728-737. [DOI: 10.1016/j.jvs.2018.06.205] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2018] [Accepted: 06/27/2018] [Indexed: 01/07/2023]
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Carroll B, Secemsky E, Kennedy K, Swerdlow NJ, Schermerhorn M, Yeh R. NATIONWIDE READMISSIONS FOLLOWING HOSPITALIZATION FOR ACUTE TYPE B AORTIC DISSECTION. J Am Coll Cardiol 2019. [DOI: 10.1016/s0735-1097(19)32659-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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