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Rohm CL, Pasrija C, Raj LM. Percutaneous axillary extracorporeal membrane oxygenation supported complex left main bifurcation percutaneous coronary intervention. Catheter Cardiovasc Interv 2024; 104:54-57. [PMID: 38796712 DOI: 10.1002/ccd.31113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Revised: 04/16/2024] [Accepted: 05/21/2024] [Indexed: 05/28/2024]
Abstract
A 66-year-old man with multiple comorbidities including severe peripheral artery disease and heart failure with reduced ejection fraction presented with complex coronary artery disease with an elevated Society of Thoracic Surgeons Predicted Risk of Mortality for coronary artery bypass grafting and a Synergy Between Percutaneous Coronary Intervention With Taxus and Cardiac Surgery score of 18. With a multidisciplinary heart team approach, the patient successfully underwent percutaneous axillary venoarterial extracorporeal membrane oxygenation (VA-ECMO) supported high-risk percutaneous coronary intervention of a heavily calcified left main bifurcation lesion. Given the patient's peripheral artery disease, alternative arterial access for ECMO cannulation was performed percutaneously via the right axillary artery. Additionally, adequate coronary calcium modification was critical to successful stenting of a heavily calcified left main bifurcation. This case highlights a novel approach to obtaining alternative arterial access for ECMO cannulation and emphasizes the importance of calcium modification to achieve excellent stent results.
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Emori H, Shiono Y, Kuriyama N, Honda Y, Kadooka K, Kudo T, Ogata K, Kimura T, Nishihira K, Tanaka A, Shibata Y. Impact of Periprocedural Myocardial Injury on Long-Term Outcomes After Percutaneous Coronary Intervention Requiring Atherectomy. Am J Cardiol 2024; 222:1-7. [PMID: 38677665 DOI: 10.1016/j.amjcard.2024.04.035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Revised: 03/20/2024] [Accepted: 04/19/2024] [Indexed: 04/29/2024]
Abstract
The prognostic implications of cardiac troponin elevation after percutaneous coronary intervention (PCI) with atherectomy have not been established. The aim of this study was to investigate the incidence of periprocedural myocardial injury (PMI) and its association with cardiovascular events in patients with severely calcified lesions who underwent PCI with atherectomy. The study analyzed 346 patients (377 lesions) who underwent PCI with atherectomy between January 2018 and December 2021. Peak post-PCI high-sensitivity cardiac troponin (hs-cTn) was measured. The primary outcome was target lesion failure (TLF), a composite of cardiovascular death, target vessel myocardial infarction, and clinically driven target lesion revascularization. A lesion-based analysis was conducted to assess the association of PMI with TLF up to 5 years after PCI. Increase of hs-cTn was seen with 362 lesions (96%), and significant PMI, defined as hs-cTn increase ≥70 × upper reference limit, was seen with 83 lesions (22%). Significant PMI was associated with a significantly greater risk of TLF (adjusted hazard ratio 1.93, 95% confidence interval 1.12 to 3.30, p = 0.017), primarily driven by an increased risk of cardiovascular death (adjusted hazard ratio 5.29, 95% confidence interval 1.46 to 19.16, p = 0.011). In conclusion, hs-cTn increase was frequently observed in patients who underwent PCI with atherectomy, and significant PMI was associated with an increased risk of TLF and cardiovascular death.
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Korosoglou G, Feld J, Langhoff R, Lichtenberg M, Stausberg J, Hoffmann U, Rammos C, Malyar N. Safety and Effectiveness of Debulking for the Treatment of Infrainguinal Peripheral Artery Disease. Data From the Recording Courses of vascular Diseases Registry in 2910 Patients. Angiology 2024:33197241263381. [PMID: 38904281 DOI: 10.1177/00033197241263381] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/22/2024]
Abstract
We investigated the safety and efficacy of debulking infrainguinal lesions in patients with peripheral artery disease (PAD) undergoing endovascular revascularization (EVR) as part of the RECording Courses of vascular Diseases (RECCORD) registry. Patient and lesion specific characteristics, including the lesion complexity score (LCS) were analyzed. The primary endpoint encompassed: (i) clinical improvement in Rutherford categories, (ii) index limb re-interventions, and (iii) major amputations during follow-up. The secondary endpoint included the need for bail-out stenting. Overall, 2910 patients were analyzed; 2552 without and 358 with debulking-assisted EVR. Patients were 72 (interquartile range (IQR) = 15) years old and 1027 (35.3%) had diabetes. Overall complication rates were similarly low in the debulking vs the non-debulking group (4.7 vs 3.2%, P = .18). However, peripheral embolizations rates were low but more frequent with debulking vs. non-debulking procedures (3.9 vs 1.1%, P < .001). After adjustment for clinical and lesion-specific parameters, including LCS, no differences were noted for the primary endpoint (odds ration (OR) = 0.99, 95%CI = 0.69-1.41, P = .94). Bail-out stenting was less frequently performed in patients with debulking-assisted EVR (OR = 0.5, 95%CI = 0.38-0.65, P < .0001). Debulking-assisted EVR is currently used in ∼12% of EVR with infrainguinal lesions and is associated with lower bail-out stent rates but higher peripheral embolization rates; no differences were found regarding index limb re-intervention and amputation rates.
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Sukul D, Seth M, Madder RD, Basir MB, Menees DS, Kaki A, Azzalini L, Lee D, Gurm HS. Contemporary Trends and Outcomes of Intravascular Lithotripsy in Percutaneous Coronary Intervention: Insights From BMC2. JACC Cardiovasc Interv 2024:S1936-8798(24)00709-X. [PMID: 38970579 DOI: 10.1016/j.jcin.2024.04.039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 04/10/2024] [Accepted: 04/23/2024] [Indexed: 07/08/2024]
Abstract
BACKGROUND With an aging population and an increase in the comorbidity burden of patients undergoing percutaneous coronary intervention (PCI), the management of coronary calcification for optimal PCI is critical in contemporary practice. OBJECTIVES This study sought to examine the trends and outcomes of coronary intravascular lithotripsy (IVL), rotational/orbital atherectomy, or both among patients who underwent PCI in Michigan. METHODS We included all PCIs between January 1, 2021, and June 30, 2022, performed at 48 Michigan hospitals. Outcomes included in-hospital major adverse cardiac events (MACEs) and procedural success. RESULTS IVL was used in 1,090 patients (2.57%), atherectomy was used in 1,743 (4.10%) patients, and both were used in 240 patients (0.57% of all PCIs). IVL use increased from 0.04% of PCI cases in January 2021 to 4.28% of cases in June 2022, ultimately exceeding the rate of atherectomy use. The rate of MACEs (4.3% vs 5.4%; P = 0.23) and procedural success (89.4% vs 89.1%; P = 0.88) were similar among patients treated with IVL compared with atherectomy, respectively. Only 15.6% of patients treated with IVL in contemporary practice were similar to the population enrolled in the pivotal IVL trials. Among such patients (n = 169), the rate of MACEs (0.0%) and procedural success (94.7%) were similar to the outcomes reported in the pivotal IVL trials. CONCLUSIONS Since its introduction in February 2021, coronary IVL use has steadily increased, exceeding atherectomy use in Michigan by February 2022. Contemporary use of IVL and atherectomy is generally associated with high rates of procedural success and low rates of complications.
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Shammas NW, Yates T, Sastry A, Ricotta J, Beasley R, Swee W, Torey JT, Shammas GA, Jones-Miller S, Corbet M. Prospective, Multi-center, Single-Arm Study of the Auryon Laser System for Treatment of Below-the-Knee Arteries in Patients With Chronic Limb-Threatening Ischemia: 30-Day Results of the Auryon BTK. Am J Cardiol 2024; 219:1-8. [PMID: 38458581 DOI: 10.1016/j.amjcard.2024.03.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Revised: 02/15/2024] [Accepted: 03/03/2024] [Indexed: 03/10/2024]
Abstract
The 355 nm Auryon laser (AngioDynamics, Inc., Latham, New York) has been shown to be effective and safe in treating various morphology lesions in the femoropopliteal arteries. There are limited data on the Auryon laser in treating below-the-knee (BTK) arteries in patients with chronic limb-threatening ischemia. We present the 30-day efficacy and safety findings from the ongoing Auryon BTK study. Patients with chronic limb-threatening ischemia were prospectively enrolled in the Auryon BTK study between March 2022 and February 2023 in 4 US centers after obtaining written informed consent. The primary safety end point included major adverse limb events + postoperative death at 30 days, defined as a composite of all-cause death, major amputation, and target vessel revascularization. Demographic, procedural, angiographic, and outcome data were collected. A total of 60 patients (61 lesions) were treated. The mean age was 74.6 ± 10.3 years, with 65.0% men, 58.3% with diabetes, 43.3% Rutherford Becker (RB) IV, and 56.7% RB V. Of the 61 lesions, 59% had severe calcification, 31.1% were chronic total occlusions, and 90.2% were de novo disease. The baseline diameter stenosis was 80.2 ± 16.4%, after laser 57.4 ± 21.7%, and after final treatment 24.0 ± 23.1% (p <0.0050). The primary performance end point showed a procedure success rate of 37 of 68 (63.8%). Bailout stenting occurred in 1 of 61 lesions (1.6%). The RB category was 100% RB IV or higher at baseline versus 35.3% at 30 days. At 30 days, there was no target vessel revascularization and the patency was 88.9% (Peak Systolic Velocity Ratio (PSVR) ≤2.4). In conclusion, the Auryon laser is safe and relatively effective in treating BTK lesions with minimal complications.
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Khan MR, Koshy AN, Tanner R, Farhan S, Vinayak M, Farooq A, Sartori S, Feng Y, Spirito A, Arora A, Dhulipala V, Kapur V, Suleman J, Sharma R, Mehran R, Kini A, Sharma SK. Real-World Comparison of Clopidogrel With Ticagrelor and Prasugrel in Patients With Chronic Coronary Disease Who Underwent Atherectomy. Am J Cardiol 2024; 217:1-4. [PMID: 38401658 DOI: 10.1016/j.amjcard.2024.02.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Revised: 01/09/2024] [Accepted: 02/04/2024] [Indexed: 02/26/2024]
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Ayyad M, Ayasa LA, Shbaita S, Qozat A, Tessarek J. Nonspecific Presentation of an Infected Aorto-Iliac Artery Stent Following Endovascular Revision and Stent Insertion. Vasc Endovascular Surg 2024; 58:436-442. [PMID: 37975794 PMCID: PMC10996291 DOI: 10.1177/15385744231217366] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2023]
Abstract
Over the last few decades, the use of covered stent grafts became increasingly popular; as it plays a pivotal role in the management of various atherosclerotic diseases that are rising in both incidence and prevalence. Subsequently, vascular stent infections, although rare, are becoming a well-recognized complication with possibly devastating consequences, owing to the difficulties associated with its diagnosis and treatment. This has prompted significant interest in the condition regarding its pathophysiology, modifiable and non-modifiable risk factors, diagnostic and therapeutic approaches, and the possible implementation of prophylactic measures. We herein present a case of a patient with an infected aortoiliac stent 4 weeks after endovascular revision with atherectomy and additional stent insertion. The patient initially developed nonspecific symptoms and later developed a life-threatening hemorrhage, which was urgently controlled using a percutaneously inserted covered stent at the infected site. Definitive treatment using extraanatomical bypass implantation and an explantation of the infected stents was performed with excellent clinical response.
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Nugteren MJ, Welling RHA, Bakker OJ, Ünlü Ç, Hazenberg CEVB. Vessel Preparation in Infrapopliteal Arterial Disease: A Systematic Review and Meta-Analysis. J Endovasc Ther 2024; 31:191-202. [PMID: 36062761 PMCID: PMC10938478 DOI: 10.1177/15266028221120752] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
PURPOSE Infrapopliteal lesions are generally complex to treat due to small vessel diameter, long lesion length, multilevel disease, and severe calcification. Therefore, different vessel preparation devices have been developed to contribute to better peri- and postprocedural outcomes. This systematic review aims to compare different vessel preparation techniques prior to plain old balloon angioplasty (POBA) or drug-coated balloon (DCB) angioplasty with POBA or DCB alone in infrapopliteal arterial disease. METHODS Medline, EMBASE, and Cochrane databases were searched for studies published between 2000 and 2022 assessing the value of adjunctive vessel preparation in infrapopliteal arterial disease. The primary outcomes were 12-month primary patency and limb salvage. RESULTS A total of 1685 patients with 1913 lesions were included in 11 POBA studies. Methodological quality was assessed as poor to moderate in these studies. Only 2 studies with 144 patients assessed vessel preparation in conjunction with DCB angioplasty. These randomized trials were assessed as high quality and found no significant benefit of adjunctive atherectomy to DCB angioplasty. The pooled Kaplan-Meier estimates of 12-month primary patency and limb salvage in the POBA studies were 67.8% and 80.9% for POBA, 62.1% and 86.4% for scoring balloons, 67.9% and 79.6% for mechanical atherectomy (MA), and 79.7% and 82.6% for laser atherectomy, respectively. Within the pooled data only scoring balloons and MA demonstrated significantly improved 12-month limb salvage compared to POBA. CONCLUSIONS Different forms of adjunctive vessel preparation demonstrate similar 12-month outcomes compared to POBA and DCB angioplasty alone in infrapopliteal disease, with the exception of improved 12-month limb salvage in scoring balloons and MA. However, since the included studies were heterogeneous and assessed as poor to moderate methodological quality, selection bias may have played an important role. Main conclusion is that this systematic review found no additional value of standard use of vessel preparation. CLINICAL IMPACT Infrapopliteal arterial disease is associated with chronic limb-threatening ischemia (CLTI) and generally complex to treat due to small vessel diameter, long lesion length, multilevel disease and severe calcification. A wide range of vessel preparation devices have been developed to contribute to improved peri- and postprocedural outcomes in these complex lesions. This systematic review aims to compare different vessel preparation techniques prior to plain old balloon angioplasty (POBA) or drug coated balloon (DCB) angioplasty with POBA or DCB angioplasty alone in infrapopliteal arterial disease. Different forms of adjunctive vessel preparation demonstrate similar 12-month outcomes compared to POBA and DCB angioplasty alone in infrapopliteal disease, with the exception of improved 12-month limb salvage in scoring balloons and mechanical atherectomy (MA). However, since the included studies were heterogeneous and assessed as poor to moderate methodological quality, selection bias may have played an important role. Main conclusion is that this systematic review found no additional value of standard use of vessel preparation.
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Koppara T, Dregely I, Nekolla SG, Nährig J, Langwieser N, Bradaric C, Ganter C, Laugwitz KL, Schwaiger M, Ibrahim T. Simultaneous 18-FDG PET and MR imaging in lower extremity arterial disease. Front Cardiovasc Med 2024; 11:1352696. [PMID: 38404725 PMCID: PMC10884315 DOI: 10.3389/fcvm.2024.1352696] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Accepted: 01/22/2024] [Indexed: 02/27/2024] Open
Abstract
Background Simultaneous positron emission tomography (PET) and magnetic resonance imaging (MRI) is a novel hybrid imaging method integrating the advances of morphological tissue characterization of MRI with the pathophysiological insights of PET applications. Aim This study evaluated the use of simultaneous 18-FDG PET/MR imaging for characterizing atherosclerotic lesions in lower extremity arterial disease (LEAD). Methods Eight patients with symptomatic stenoses of the superficial femoral artery (SFA) under simultaneous acquisition of 18-FDG PET and contrast-enhanced MRI using an integrated whole-body PET/MRI scanner. Invasive plaque characterization of the SFA was performed by intravascular imaging using optical coherence tomography. Histological analysis of plaque specimens was performed after directional atherectomy. Results MRI showed contrast enhancement at the site of arterial stenosis, as assessed on T2-w and T1-w images, compared to a control area of the contralateral SFA (0.38 ± 0.15 cm vs. 0.23 ± 0.11 cm; 1.77 ± 0.19 vs. 1.57 ± 0.15; p-value <0.05). On PET imaging, uptake of 18F-FDG (target-to-background ratio TBR > 1) at the level of symptomatic stenosis was observed in all but one patient. Contrast medium-induced MR signal enhancement was detected in all plaques, whereas FDG uptake in PET imaging was increased in lesions with active fibroatheroma and reduced in fibrocalcified lesions. Conclusion In this multimodal imaging study, we report the feasibility and challenges of simultaneous PET/MR imaging of LEAD, which might offer new perspectives for risk estimation.
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Savage MP, Fischman DL, Mamas MA. Between a Rock and a Hard Place: Technological Progress in Treating Calcified Coronary Lesions. JACC Cardiovasc Interv 2024:S1936-8798(24)00015-3. [PMID: 38385927 DOI: 10.1016/j.jcin.2023.12.038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Accepted: 12/31/2023] [Indexed: 02/23/2024]
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Gumus F, Arslanturk O. Usage of rotational atherectomy and drug-coated balloon angioplasty for isolated popliteal artery lesions: two-year results of a retrospective study. Acta Chir Belg 2024:1-7. [PMID: 38294176 DOI: 10.1080/00015458.2024.2313266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Accepted: 01/28/2024] [Indexed: 02/01/2024]
Abstract
OBJECTIVES In this study, perioperative properties and early and mid-term clinical outcomes of endovascular revascularization with a combined usage of rotational atherectomy (RA) and drug-coated balloon angioplasty (DCB) angioplasty for isolated popliteal artery lesion were reported. METHODS A total of 28 patients with isolated popliteal artery stenosis who underwent combined RA and DCB angioplasty between December 2018 and September 2022 were analyzed retrospectively. Temren atherectomy system (Invamed, Ankara, Turkey) and Extender paclitaxel-coated drug-coated balloon catheter (Invamed, Ankara, Turkey) were used in all cases. The main outcome was primary patency; secondary outcomes were technical success, freedom from amputation, and mortality. RESULTS The mean age of patients was 64.2 ± 9.1 years and the majority of the patients were male (n = 20; 71.4%). Types of the lesions were total occlusion in 24 limbs and critical stenosis in 4 limbs. The mean total occlusion length was 65.2 ± 14.2 mm. Flow-limiting dissection was seen in lesions of 2 patients (7.1%) and treated with prolonged balloon dilatation without bail-out stenting requirement. Technical success defined as an adequate vascular lumen (less than 30% stenosis) was achieved in 26 (92.8%) with a mean follow-up of 17.2 ± 8.2 months. The mean primary patency rates at 12 months and 24 months were 92.3% ± 3.2 and 81.2% ± 3.2, respectively. Complications included 1 distal embolization following RA, 2 flow-limiting dissections, and 3 puncture site hematomas. CONCLUSIONS Endovascular procedures using combined RA and DCB angioplasty seem to be effective alternative treatment modalities for the treatment of popliteal artery lesions with high rates of primary patency and freedom from TLR.
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Effoe VS, Mewissen MW, Bajwa TK, Khitha J, Kostopoulos L, Ammar KA, Nfor TK. Effects of atherectomy on major adverse limb events for femoropopliteal interventions: Vascular Quality Initiative registry. Catheter Cardiovasc Interv 2024; 103:106-114. [PMID: 37983656 DOI: 10.1002/ccd.30912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 10/19/2023] [Accepted: 11/05/2023] [Indexed: 11/22/2023]
Abstract
BACKGROUND Atherectomy use in treatment of femoropopliteal disease has significantly increased despite scant evidence of benefit to long-term clinical outcomes. AIMS We investigated the clinical benefits of atherectomy over standard treatment for femoropopliteal interventions. METHODS Using data from the Society of Vascular Surgery's Vascular Quality Initiative (VQI) registry, we identified patients who underwent isolated femoropopliteal interventions for occlusive disease. We compared 13,423 patients treated with atherectomy with 47,371 receiving standard treatment; both groups were allowed definitive treatment with a drug-coated balloon or stenting. The primary endpoint was major adverse limb events (MALEs), which is a composite of target vessel re-occlusion, ipsilateral major amputation, and target vessel revascularization. RESULTS Mean age was 69 ± 11 years, and patients were followed for a median of 30 months. Overall rates of complications were slightly higher in the atherectomy group than the standard treatment group (6.2% vs. 5.9%, p < 0.0001). In multivariable analysis, after adjusting for demographic and clinical covariates, atherectomy use was associated with a 13% reduction in risk of MALEs (adjusted odds ratio [aOR]: 0.87; 95% confidence interval [CI]: 0.77-0.98). Rates of major and minor amputations were significantly lower in the atherectomy group (3.2% vs. 4.6% and 3.3% vs. 4.3%, respectively, both p < 0.001), primarily driven by a significantly decreased risk of major amputations (aOR 0.69; 95% CI: 0.52-0.91). There were no differences in 30-day mortality, primary patency, and target vessel revascularization between the atherectomy and standard treatment groups. CONCLUSIONS In adults undergoing femoropopliteal interventions, the use of atherectomy was associated with a reduction in MALEs compared with standard treatment.
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Pan D, Guo J, Su Z, Meng W, Wang J, Guo J, Gu Y. Efficacy and Safety of Atherectomy Combined With Balloon Angioplasty vs Balloon Angioplasty Alone in Patients With Femoro-Popliteal Lesions: A Systematic Review and Meta-Analysis of Randomized Controlled Trials. J Endovasc Ther 2023:15266028231215354. [PMID: 38049942 DOI: 10.1177/15266028231215354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/06/2023]
Abstract
BACKGROUND Balloon angioplasty (BA), including drug-coated balloons (DCBs) and percutaneous transluminal angioplasty (PTA), has traditionally been used to treat femoral-popliteal lesions. However, in recent years, atherectomy (ATH) has been proposed as a complementary approach. To assess the effectiveness of ATH compared with BA alone in patients with femoral-popliteal artery lesions, we conducted a systematic review and meta-analysis of randomized controlled trials (RCTs). METHODS We included RCTs that focused on patients with femoral-popliteal artery lesions and reported data on the use of ATH and BA therapy. Two reviewers conducted a literature search, refined the data, and assessed the risk of bias. RESULTS We included a total of 6 RCTs involving 399 patients with femoral-popliteal artery lesions. The use of ATH in combination with BA appeared to improve the patency rate at 12 months (odds ratio [OR]=2.04, 95% confidence interval [CI]=1.14-3.62). In addition, ATH with BA was associated with lower major amputation rates (MD=2.01, 95% CI=0.06-0.77, p=0.02) and a decreased likelihood of bailout stenting (OR=0.07, 95% CI=0.02-0.25, p=0.001). However, there were no statistically significant differences between the groups in terms of target lesion revascularization (TLR) at 12 months, major adverse cardiovascular events (MACEs), and distal embolization events. In addition, we performed subgroup analysis for different ATH devices and BA types. CONCLUSIONS Based on this meta-analysis, it can be concluded that the use of ATH in combination with BA is a safe and effective method for treating femoral-popliteal artery lesions. In addition, the patency rate at 1 year is superior to treatment with BA alone. Atherectomy also reduces the likelihood of amputation and bailout stenting. Clinicians should consider these findings when designing future RCTs and developing clinical practice guidelines. CLINICAL IMPACT This meta-analysis summarises a number of existing studies to advance understanding of the atherectomy devices and to reveal its potential. This new technique, when compared with drug coated balloon, shows the possibility of obtaining better clinical outcomes in femoro-popliteal lesions than drug-coated balloon alone, such as higher 12-month primary patency rates as shown in some studies. Currently, it is important to consider the appropriate technology applicable for individualised treatment. atherectomy devices seem to provide clinicians with additional options in clinical practice and to benefit patients in the future. This requires more high quality studies to explore the role and benefits of atherectomy devices in femoro-popliteal lesions.
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Simonte G, Fino G, Casali F, Parlani G, Lenti M, Isernia G. Effectiveness of the Rotarex Excisional Atherectomy System in Both Subacute and Chronic Aortoiliac Endograft Thrombosis: An Innovative Option for the Modern Endovascular Surgeon Toolkit. J Endovasc Ther 2023; 30:957-963. [PMID: 35735194 DOI: 10.1177/15266028221105177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
PURPOSE To report a successful revascularization case using the Rotarex™S atherothrombectomy system in a recent iliac limb thrombosis, and chronic hypogastric stent obstruction after previous aortoiliac aneurysm endovascular repair (EVAR). CASE REPORT A 72-year-old patient was treated for recent right iliac limb thrombosis and left iliac branch chronic hypogastric stent occlusion, 5 years after EVAR. A total endovascular approach, using both upper extremity and femoral vascular access, was settled with 2 Rotarex™S (6Fr and 10Fr) devices. The Rotarex™S catheters removed most of the intraluminal material, allowing additional endografts and bare metal stents to be deployed to support a new healthy lumen surface. CONCLUSION The total endovascular approach provided by the Rotarex™S device appears to be safe and effective in treating aortoiliac endografts occlusions, both in subacute and chronic phases. Larger studies could highlight differences and eventual advantages compared with more traditional solutions.
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Komiyama H, Abe T, Ando T, Ishikawa M, Tanaka S, Ishihara S, Inoue Y, Jujo K, Hamatani T, Matsukage T. Analyzing drilling noise in rotational atherectomy: Improving safety and effectiveness through visualization and anomaly detection using autoencoder-A preclinical study. Health Sci Rep 2023; 6:e1739. [PMID: 38033711 PMCID: PMC10684982 DOI: 10.1002/hsr2.1739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Revised: 10/18/2023] [Accepted: 11/06/2023] [Indexed: 12/02/2023] Open
Abstract
Background and Aims As the population of aging societies continues to grow, the prevalence of complex coronary artery diseases, including calcification, is expected to increase. Rotational atherectomy (RA) is an essential technique for treating calcified lesions. This study aimed to assess the usefulness of the drilling noise produced during rotablation as a parameter for evaluating the safety and effectiveness of the procedure. Methods A human body model mimicking calcified stenotic coronary lesions was constructed using plastic resin, and burrs of sizes 1.25 and 1.5 mm were utilized. To identify the noise source during rotablation, we activated the ROTAPRO™ rotablator at a rotational speed of 180,000 rpm, recording the noise near the burr (inside the mock model) and advancer (outside). In addition to regular operation, we simulated two major complications: burr entrapment and guidewire transection. The drilling noise recorded in Waveform Audio File Format files was converted into spectrograms for analysis and an autoencoder analyzed the image data for anomalies. Results The drilling noise from both inside and outside the mock model was predominantly within the 3000 Hz frequency domain. During standard operation, intermittent noise within this range was observed. However, during simulated complications, there were noticeable changes: a drop to 2000 Hz during burr entrapment and a distinct squealing noise during guidewire transection. The autoencoder effectively reduced the spectrogram data into a two-dimensional representation suitable for anomaly detection in potential clinical applications. Conclusion By analyzing drilling noise, the evaluation of procedural safety and efficacy during RA can be enhanced.
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Wu H, Zheng D, Zhou L, Wang Q, Wang T, Liang S. A Systematic Review and Meta-analysis of Atherectomy Plus Balloon Angioplasty Versus Balloon Angioplasty Alone for Infrapopliteal Arterial Disease. J Endovasc Ther 2023:15266028231209236. [PMID: 37933456 DOI: 10.1177/15266028231209236] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2023]
Abstract
OBJECTIVE The article aimed to compare the efficiency and safety of atherectomy plus balloon angioplasty (BA) with BA alone for the treatment of infrapopliteal arterial disease. METHODS According to the inclusion and exclusion criteria, PubMed, Embase, and Cochrane Library database were searched for studies comparing atherectomy plus angioplasty and angioplasty alone in treating infrapopliteal artery lesions until November 2022. The endpoints included technical success, primary patency, clinically-driven target lesion revascularization (CD-TLR), periprocedural complications, distal embolization, target limb major amputation, and all-cause mortality. RESULTS Ten studies met the requirements of our meta-analysis, including 7723 patients in the atherectomy plus BA group and 2299 patients in the BA alone group. The meta-analysis showed that atherectomy plus BA was associated with reduced CD-TLR (odds ratio [OR]: 0.51, 95% confidence interval [CI]: 0.34, 0.78, p=0.002) and target limb major amputation (OR: 0.43, 95% CI: 0.19, 1.01, p=0.05) at 12-month follow-up. No statistically significant difference was found in technical success, primary patency, periprocedural complications, distal embolization, or all-cause mortality. Subgroup analysis found a higher rate of primary patency at 6 and 12 months (6 months: OR: 2.26, 95% CI: 1.11, 4.60, p=0.02; 12 months: OR: 2.38, 95% CI: 1.16, 4.86, p=0.02), and lower rates of CD-TLR (OR: 0.45, 95% CI: 0.25, 0.82, p=0.009) and target limb major amputation (OR: 0.43, 95% CI: 0.19, 1.01, p=0.05) at 12 months in patients treated with atherectomy plus drug-coated balloon (DCB) but not in patients treated with atherectomy plus plain old balloon angioplasty (POBA). CONCLUSIONS This meta-analysis suggests that compared with BA alone, atherectomy plus BA may reduce the need for CD-TLR and the incidence of target limb major amputation at 12-month follow-up in the treatment of infrapopliteal artery occlusive lesions, even though there are no significant advantages in technical success, primary patency, periprocedural complications, distal embolization, or all-cause mortality. To go further, atherectomy plus DCB shows significant benefits in primary patency, CD-TLR, and target limb major amputation rate but atherectomy plus POBA does not'. However, due to the limitations of this article, more randomized controlled trials (RCTs) are needed to confirm these conclusions. CLINICAL IMPACT According to our research, atherectomy combined with BA has the advantages of higher primary patency rate, lower CD-TLR and target limb significant amputation rate in treating infrapopliteal artery occlusive lesions, which may replace the current mainstream surgical method ---BA alone. For the clinician, although the surgery may take longer, it will significantly improve the prognosis and quality of life of patients and hold considerable significance for the management of patients with infrapopliteal arterial disease. Based on the characteristics of infrapopliteal artery disease, this study explored the feasibility of atherectomy combined with BA for infrapopliteal artery disease. Moreover, we found that atherectomy combined with DCB had better clinical efficacy, which should be the innovation of this study.
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Jamil Y, Nanna MG, Chaar CIO, Mena-Hurtado C, Attaran RR. Comparative Analysis of Mortality and Amputation Rates in Patients Undergoing Atherectomy for Infra-Popliteal Peripheral Arterial Disease: Insight From the VQI. J Endovasc Ther 2023:15266028231208895. [PMID: 37919968 DOI: 10.1177/15266028231208895] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2023]
Abstract
INTRODUCTION Infra-popliteal peripheral arterial disease (IPPAD) poses challenges due to high restenosis and occlusion rates. The BASIL-2 trial demonstrated the superiority of endovascular treatment compared with surgical bypass in patients with IPPAD. However, the association between different endovascular modalities and clinical outcomes has not been conclusive. HYPOTHESIS Combining plain old balloon angioplasty (POBA) with atherectomy is associated with improved clinical outcomes compared with POBA alone. METHODS Patients who underwent POBA vs POBA+atherectomy for IPPAD from the Vascular Quality Initiative database were identified. To mitigate potential selection bias, we employed propensity score matching (PSM) to balance the distribution of confounding variables for mortality identified on multivariable logistic regression. Subsequently, we compared patient characteristics and long-term outcomes between the 2 treatment groups. RESULTS Among patients who underwent endovascular intervention for IPPAD, 19 979 individuals (80.8%) were treated with POBA alone, while 4747 (19.2%) were treated with both POBA+atherectomy after PSM. Propensity score matching ensured minimal differences in baseline characteristics, such as indication for lower extremity revascularization (LER) and history of LER. After PSM, patients receiving POBA+atherectomy experienced higher rates of technical success and lower perioperative complications, such as renal complications and hematoma, compared with POBA alone. During long-term follow-up, patients who underwent atherectomy had lower rates of major amputation and major adverse limb events (MALE) but slightly lower freedom from reintervention. Nonetheless, there were no differences in mortality. CONCLUSION Combining POBA with atherectomy appears to be a safe approach in patients with IPPAD, with lower rates of long-term amputation and MALE at the cost of a higher risk of reintervention. CLINICAL IMPACT The use of adjunctive atherectomy is associated with improved long-term outcomes in patients with infra-popliteal disease.
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Budak AB, Altınay L, Günertem OE, Sağlam MS, Külahçıoğlu E, Tümer NB, Yağız BK, Terzioğlu SG, Saba T, Özışık K, Günaydın S. Evaluation of endovascular treatment of chronic limb-threatening ischemia for patients in the PLAN gray zone. J Int Med Res 2023; 51:3000605231211768. [PMID: 38000011 PMCID: PMC10676071 DOI: 10.1177/03000605231211768] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Accepted: 10/17/2023] [Indexed: 11/26/2023] Open
Abstract
OBJECTIVE To compare the results of endovascular therapy for chronic limb-threatening ischemia (CLTI) in patients categorized under the gray and yellow zones of the patient risk, limb severity, and anatomic pattern (PLAN) concept over a 2-year follow-up period. METHODS Patients who underwent endovascular therapy for peripheral artery disease and presented with CLTI from February 2017 to February 2019 were retrospectively reviewed. The patients were grouped into yellow and gray zones based on the PLAN concept. Preoperative and postoperative walking distances, Rutherford classes, and postoperative target vessel patency rates were recorded and compared between the groups. Follow-up evaluations were performed at 1, 6, 12, and 24 months post-procedure. RESULTS Of the 387 patients evaluated, the yellow and gray groups comprised 88 patients each. The overall patency rates were similar between the groups (84 (95.45%) vs. 81 (92.05%), respectively). The occlusion-/stenosis-free survival times, amputation-free survival time, and mean survival time were not significantly different. However, the gray group had a significantly higher number of atherectomy interventions (74 vs. 59) and crosser devices used (62 vs. 42). CONCLUSION Endovascular therapy is an effective treatment option for patients in the gray zone of the PLAN color coding system.
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Shabbir A, Wang L, Jeronimo A, Travieso A, Mejía-Rentería H, Gonzalo N, Salinas P, Escaned J. Ultra-Low Contrast Multivessel Orbital Atherectomy-Assisted PCI in a Patient With Severe Peripheral Vascular Disease. JACC Cardiovasc Interv 2023; 16:2564-2568. [PMID: 37879811 DOI: 10.1016/j.jcin.2023.08.039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/23/2023] [Accepted: 08/29/2023] [Indexed: 10/27/2023]
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Dafaalla M, Rashid M, Moledina S, Kinnaird T, Ludman P, Curzen N, Zaman S, Nolan J, Mamas MA. Characteristics and Outcomes of Patients Who Underwent Coronary Atherectomy in Centers With and Without On-Site Cardiac Surgery. Am J Cardiol 2023; 204:242-248. [PMID: 37556893 DOI: 10.1016/j.amjcard.2023.07.073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 07/11/2023] [Accepted: 07/13/2023] [Indexed: 08/11/2023]
Abstract
We aimed to describe the clinical characteristics and outcomes of patients who underwent atherectomy at the time of percutaneous coronary intervention in centers with on-site surgical centers (SCs) versus nonsurgical centers (NSCs). Patients treated with coronary atherectomy between January 1, 2006, to December 31, 2019, from the British Cardiovascular Society Intervention (BCIS) registry were included. Primary outcomes were in-hospital all-cause mortality and major adverse cardiovascular and cerebrovascular events. A total of 20,833 patients were treated with coronary atherectomy, of which 7,983 (38%) were performed at NSC. The proportion of coronary atherectomies performed in NSC increased from 12.5% in 2006 to 42% in 2019. Compared with patients treated at SC, patients treated in NSC were older (mean age 75.1 ± SD years vs 74.2 ± SD, p <0.001), but had comparable prevalence of hypertension (NSC 73.9% vs SC 72.8%, p = 0.085), diabetes mellitus (NSC 32.2% vs SC 31.6%, p = 0.43) and renal disease (NSC 6.0% vs SC 6.0%, p = 0.99). Intracoronary imaging was used more often in NSC than SC (22.3% vs 19.4%, p <0.001). After adjustment, the odds of in-hospital mortality (odds ratios [OR] 0.76, 95% confidence intervals [CI] 0.50 to 1.16), major adverse cardiovascular and cerebrovascular events (OR 0.80, 95% CI 0.53 to 1.21), emergency coronary artery bypass graft (OR 0.49, 95% CI 0.15 to 1.57), major bleeding (OR 0.67, 95% CI 0.36 to 1.24) and coronary perforation (OR 1.07, 95% CI 0.97 to 1.43) in NSC were comparable with SC. In conclusion, coronary atherectomy in hospitals with off-site surgical cover has become more frequent, with no association with poorer outcomes, compared with hospitals with on-site surgical cover.
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Gressler LE, Ramkumar N, Marinac-Dabic D, dosReis S, Goodney P, Daniel Mullins C, Shaya FT. The association of major adverse limb events and combination stent and atherectomy in patients undergoing revascularization for lower extremity peripheral artery disease. Catheter Cardiovasc Interv 2023; 102:688-700. [PMID: 37560820 DOI: 10.1002/ccd.30799] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 06/12/2023] [Accepted: 07/28/2023] [Indexed: 08/11/2023]
Abstract
BACKGROUND The effectiveness of combined atherectomy and stenting relative to use of each procedure alone for the treatment of lower extremity peripheral artery disease has not been evaluated. AIMS The objective of this study was to evaluate the short- and long-term major adverse limb event (MALE) following the receipt of stenting, atherectomy, and the combination of stent and atherectomy. METHODS A retrospective cohort of patients undergoing atherectomy, stent, and combination stent atherectomy for lower extremity peripheral artery disease was derived from the Vascular Quality Initiative (VQI) data set. The primary outcome was MALE and was assessed in the short-term and long-term. Short-term MALE was assessed immediately following the procedure to discharge and estimated using logistic regression. Long-term MALE was assessed after discharge to end of follow-up and estimated using the Fine-Gray subdistribution hazard model. RESULTS Among the 46,108 included patients, 6896 (14.95%) underwent atherectomy alone, 35,774 (77.59%) received a stent, and 3438 (7.5%) underwent a combination of stenting and atherectomy. The adjusted model indicated a significantly higher odds of short-term MALE in the atherectomy group (OR = 1.35; 95% confidence interval [CI]:1.16-1.57), and not significantly different odds (OR = 0.93; 95% CI:0.77-1.13) in the combination stent and atherectomy group when compared to stenting alone. With regard to long-term MALE, the model indicated that the likelihood of experiencing the outcome was slightly lower (HR = 0.90; 95% CI:0.82-0.98) in the atherectomy group, and not significantly different (HR = 0.92; 95% CI:0.82-1.04) in the combination stent and atherectomy group when compared to the stent group. CONCLUSIONS Patients in the VQI data set who received combination stenting and atherectomy did not experience significantly different rates of MALE when compared with stenting alone. It is crucial to consider and further evaluate the influence of anatomical characteristics on treatment strategies and potential differential effects of comorbidities and other demographic factors on the short and long-term MALE risks.
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Morita Y, Kashima Y, Yasuda Y, Kanno D, Hachinohe D, Sugie T, Endo A, Fujita T, Tanabe K. Burr entrapment in a percutaneous coronary intervention during rotational atherectomy: An experience with 3195 cases. THE JOURNAL OF INVASIVE CARDIOLOGY 2023; 35. [PMID: 37984323 DOI: 10.25270/jic/23.00174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 11/22/2023]
Abstract
OBJECTIVES Burr entrapment is a potentially life-threatening complication of rotational atherectomy (RA). However, owing to its infrequency, there have been no major reports on burr entrapment. This study aimed to evaluate the incidence, treatment, and outcomes of burr entrapment. METHODS This multicenter retrospective study analyzed patients who had undergone percutaneous coronary interventions (PCIs) and were treated by RA between May 2013 and March 2022. RESULTS Of the 22 640 PCI procedures, RA was performed in 3195 patients (14.1%), among whom burr entrapment occurred in 22 patients (0.69%). The mean patient age was 78 ± 8.7 years; 64% were male, and 32% were on dialysis. The entrapped burr size was 1.7 ± 0.2 mm, and the burr/artery ratio was 0.6 ± 0.1. In 20 patients (91%), the burr was extracted by strong manual pullback. The other patients underwent balloon angioplasty at the site of the entrapped burr, which might have provided space for successful burr withdrawal. Major adverse cardiac events occurred in 23% of patients. Tamponade requiring pericardiocentesis occurred in two patients (9%). No patients required emergency surgery or suffered an in-hospital death. CONCLUSIONS Burr entrapment occurred in 0.69% of patients who had undergone RA. Most burrs were extracted by a strong manual pullback. None required emergency surgery, and there were no in-hospital deaths. The results provide a treatment approach and prognosis for burr stuck in the use of RA.
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Xue S, Zhang X, Peng Z, Wu X, Peng Z, Qin J, Lu X. Assessment of atherectomy treatment for Thromboangiitis Obliterans: A single center experience. Catheter Cardiovasc Interv 2023; 102:713-720. [PMID: 37706639 DOI: 10.1002/ccd.30801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Revised: 06/29/2023] [Accepted: 07/28/2023] [Indexed: 09/15/2023]
Abstract
BACKGROUND AND AIMS Endovascular recanalizaiton (ER) has been proven to be a feasible method for Thromboangiitis Obliterans (TAO). The aims of this study were to evaluate the effectiveness and safety of atherectomy for TAO compared to nonatherectomy ER in our center. METHODS Patients diagnosed as TAO were reviewed from January 2016 to June 2021 in our center. Basic characteristics of patients before ER and perioperative data were collected and compared between the atherectomy and nonatherectomy groups. The vascular event-free survival and limb salvage were calculated to evaluate the prognosis of TAO patients after ERs. Logistic Regression and Cox Regression were used to identify the risk factors for technical failure and prognosis, respectively. RESULTS Seventy-two TAO patients with 79 lower limbs who met the criteria were included in this report. Compared with the nonatherectomy group, no significant improvement was identified in ER technical success, vascular event-free survival, or limb salvage in the atherectomy group. The total technical success rate was 91.1% (atherectomy group, 95.2%; nonatherectomy group, 89.7%), and the multiple limb involvement (p = 0.005; odds ratio [OR], 28.16; confidence interval [CI], 3.28-241.55) was the independent risk factor for technical failure. The total vascular event-free survival proportion was 66.05% and 58.40% at 1 and 3 years, respectively. Technical failure (OR, 5.61; 95% CI, 1.57-20.04; p = 0.008), and runoff grade 0 (OR, 3.28; 95% CI, 1.09-9.85; p = 0.034) were independent risk factors for vascular events. The total limb salvage proportion at 1 and 3 years was 95.84% and 92.53%, respectively. Technical failure (OR, 8.54; 95% CI, 1.71-40.73; p = 0.02) was identified as an independent risk factor for above ankle amputation. CONCLUSIONS No significant difference in prognosis was found between the atherectomy group and the nonatherectomy group during a midterm follow-up. The technical success of ER was crucial for TAO prognosis.
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Sanon O, Carnevale M, Indes J, Gao Q, Lipsitz E, Koleilat I. Incidence of Procedure-Related Complications in Patients Treated With Atherectomy in the Femoropopliteal and Tibial Vessels in the Vascular Quality Initiative. J Endovasc Ther 2023; 30:693-702. [PMID: 35466788 DOI: 10.1177/15266028221091900] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
PURPOSE To compare procedural complications in patients undergoing atherectomy plus angioplasty (A+A) and plain balloon angioplasty (POBA). MATERIALS AND METHODS Patients in the Vascular Quality Initiative (VQI) registry undergoing first-time peripheral vascular intervention (PVI) were included. Those undergoing aortoiliac or pedal interventions, primary stenting, or hybrid procedures were excluded. Patients were stratified by lesion location (femoropopliteal [FP] or tibial [TIB]). The primary outcomes were target vessel dissection, distal embolization, and provisional stent placement. Secondary outcomes included postoperative complications and the need for subsequent interventions. RESULTS 12 499 patients undergoing FP (49.6% A+A) and 6736 patients undergoing TIB (17.0% A+A) interventions were identified. In the FP group, A+A was associated with greater intraoperative target vessel dissection (4.5% vs 2.6%, p<0.001), distal embolization (1.5% vs 0.7%, p =0.001), and provisional stent placement (1.5% vs 0%, p<0.001); and greater postoperative target vessel dissection (4.2% vs 2.0%, p<0.001) and distal embolization (0.9% vs 0.4%, p=0.034). In the TIB group, A+A was associated with fewer intraoperative vessel dissection (0.8% vs 2.3%, p=0.011) but greater provisional stent placement (0.3% vs 0%, p<0.001). TIB A+A was also associated with higher rates of technical success (97.6% vs 95.1%, p<0.001). CONCLUSIONS Atherectomy was associated with increased procedural-related complications in femoropopliteal, but not in tibial vessels. Future studies addressing lesion morphology, device design, and technique may help define its role in peripheral vascular interventions.
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