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Masoomi R, Moscardelli S, Hirai T, Azzalini L. Antegrade techniques for chronic total occlusion percutaneous coronary intervention. Prog Cardiovasc Dis 2024:S0033-0620(24)00098-7. [PMID: 39032669 DOI: 10.1016/j.pcad.2024.07.001] [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: 07/07/2024] [Accepted: 07/07/2024] [Indexed: 07/23/2024]
Abstract
Antegrade techniques are the foundation of chronic total occlusion (CTO) percutaneous coronary intervention (PCI). Antegrade wiring with the intent to achieve an intraplaque guidewire tracking is not always feasible, and crossing into the extraplaque space with subsequent reentry (antegrade dissection and reentry), might be needed, particularly in more complex occlusions. The present article reviews in detail the antegrade approaches to CTO PCI, focusing on equipment, techniques, and overcoming challenges.
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Affiliation(s)
- Reza Masoomi
- Division of Cardiology, Department of Medicine, University of Washington, Seattle, WA, USA
| | - Silvia Moscardelli
- Division of Cardiology, Department of Medicine, University of Washington, Seattle, WA, USA; University of Milan, Milan, Italy
| | - Taishi Hirai
- Division of Cardiology, Department of Medicine, University of Missouri, Columbia, MO, USA
| | - Lorenzo Azzalini
- Division of Cardiology, Department of Medicine, University of Washington, Seattle, WA, USA.
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Xu W, Ma J, Chen Y, Zhou F, Zhou C, Zhang LJ. Coronary chronic total occlusion on coronary CT angiography: what radiologists should know? Insights Imaging 2024; 15:55. [PMID: 38411752 PMCID: PMC10899151 DOI: 10.1186/s13244-024-01621-y] [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: 09/28/2023] [Accepted: 01/11/2024] [Indexed: 02/28/2024] Open
Abstract
Coronary chronic total occlusion (CTO) often occurs in patients with obstructive coronary artery disease, which remains one of the greatest challenges for interventional cardiologists. Coronary computed tomography angiography (CCTA) with its emerging post-processing techniques can provide a detailed assessment of CTO lesions before percutaneous coronary intervention (PCI), playing an important role in the clinical management of CTO PCI, from early diagnosis, pre-procedural outcome prediction, the crossing algorithm planning, intraprocedural guidance, and finally post-procedural assessment and follow-up. In addition, the feasibility of CT perfusion (CTP) in patients with CTO has been validated. Combined CCTA and CTP have the great potential to be the one-stop-shop imaging modality for assessing both anatomy and function of CTO lesions. This review aims to make radiologists understand the role of CCTA in the diagnosis and assessment of CTO lesions, thus assisting interventionalists in optimizing CTO PCI crossing strategies with the expertise of radiologists.Critical relevance statement The anatomical features of CTO on CCTA can reveal the complexity of CTO lesions and are associated with CTO PCI outcome, thus helping interventionalists optimize CTO PCI crossing strategies.Key points • CTO is the common lesion in invasive coronary angiography, and CTO PCI is technically difficult and its success rate is relatively low.• Length, collaterals, and attenuation-related signs can help distinguish CTO from subtotal occlusion.• The anatomical features of CTO lesions can help grade the difficulty of CTO PCI and predict procedural outcomes and long-term outcomes of CTO PCI.• The real-time fusion of CCTA with fluoroscopic angiography can be applied in highly complicated CTO lesions.• After CTO PCI, CCTA can help guide a second CTO PCI re-entry or follow up stent patency.
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Affiliation(s)
- Wei Xu
- Department of Radiology, Jinling Hospital, Nanjing Medical University, 305 Zhongshan East Road, Nanjing, China
| | - Junfeng Ma
- Emergency Medical Center, Xi'an Xianyang International Airport Co., Ltd., Xianyang, China
| | - Yiwen Chen
- Department of Radiology, Jinling Hospital, Nanjing Medical University, 305 Zhongshan East Road, Nanjing, China
| | - Fan Zhou
- Department of Radiology, Affiliated Jinling Hospital of Medical School, Nanjing University, 305 Zhongshan East Road, Nanjing, China
| | - Changsheng Zhou
- Department of Radiology, Affiliated Jinling Hospital of Medical School, Nanjing University, 305 Zhongshan East Road, Nanjing, China
| | - Long Jiang Zhang
- Department of Radiology, Jinling Hospital, Nanjing Medical University, 305 Zhongshan East Road, Nanjing, China.
- Department of Radiology, Affiliated Jinling Hospital of Medical School, Nanjing University, 305 Zhongshan East Road, Nanjing, China.
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Alexandrou M, Rempakos A, Al Ogaili A, Choi JW, Poommipanit P, Alaswad K, Basir MB, Davies R, Benton S, Jaffer FA, Chandwaney RH, Azzalini L, Kearney KE, ElGuindy AM, Abi Rafeh N, Goktekin O, Gorgulu S, Khatri JJ, Aygul N, Vo MN, Cincin A, Rangan BV, Mastrodemos OC, Allana SS, Sandoval Y, Burke MN, Brilakis ES. Balloon-assisted subintimal entry (BASE) in chronic total occlusion percutaneous coronary interventions. Catheter Cardiovasc Interv 2023; 102:834-843. [PMID: 37676010 DOI: 10.1002/ccd.30830] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 08/21/2023] [Accepted: 08/27/2023] [Indexed: 09/08/2023]
Abstract
BACKGROUND There is limited data on the use of the balloon-assisted subintimal entry (BASE) technique in chronic total occlusion (CTO) percutaneous coronary intervention (PCI). METHODS We analyzed the baseline clinical and angiographic characteristics and outcomes of 155 CTO PCIs that utilized the BASE technique at 31 US and non-US centers between 2016 and 2023. RESULTS The BASE technique was used in 155 (7.9%) of 1968 antegrade dissection and re-entry (ADR) cases performed during the study period. The mean age was 66 ± 10 years, 88.9% of the patients were men, and the prevalence of diabetes (44.6%), hypertension (90.5%), and dyslipidemia (88.7%) was high. Compared with 1813 ADR cases that did not use BASE, the target vessel of the BASE cases was more commonly the RCA and less commonly the LAD. Lesions requiring BASE had longer occlusion length (42 ± 23 vs. 37 ± 23 mm, p = 0.011), higher Japanese CTO (J-CTO) (3.4 ± 1.0 vs. 3.0 ± 1.1, p < 0.001) and PROGRESS-CTO (Prospective Global Registry for the Study of Chronic Total Occlusion Intervention chronic total occlusion) (1.8 ± 1.0 vs. 1.5 ± 1.0, p = 0.008) scores, and were more likely to have proximal cap ambiguity, side branch at the proximal cap, blunt/no stump, moderate to severe calcification, and proximal tortuosity. Technical (71.6% vs. 75.5%, p = 0.334) and procedural success (71.6% vs. 72.8%, p = 0.821), as well as major adverse cardiac events (MACE) (1.3% vs. 4.1%, p = 0.124), were similar in ADR cases that used BASE and those that did not. CONCLUSIONS The BASE technique is used in CTOs with longer occlusion length, higher J-CTO score, and more complex angiographic characteristics, and is associated with moderate success but also low MACE.
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Affiliation(s)
- Michaella Alexandrou
- Minneapolis Heart Institute and Minneapolis Heart Institute Foundation, Abbott Northwestern Hospital, Minneapolis, Minnesota, USA
| | - Athanasios Rempakos
- Minneapolis Heart Institute and Minneapolis Heart Institute Foundation, Abbott Northwestern Hospital, Minneapolis, Minnesota, USA
| | - Ahmed Al Ogaili
- Minneapolis Heart Institute and Minneapolis Heart Institute Foundation, Abbott Northwestern Hospital, Minneapolis, Minnesota, USA
| | - James W Choi
- Texas Health Presbyterian Hospital, Dallas, Texas, USA
| | - Paul Poommipanit
- University Hospitals, Case Western Reserve University, Cleveland, Ohio, USA
| | | | - Mir B Basir
- Henry Ford Cardiovascular Division, Detroit, Michigan, USA
| | | | | | | | | | - Lorenzo Azzalini
- Division of Cardiology, Department of Medicine, University of Washington, Seattle, Washington, USA
| | - Kathleen E Kearney
- Division of Cardiology, Department of Medicine, University of Washington, Seattle, Washington, USA
| | | | | | | | | | | | | | - Minh N Vo
- Royal Columbian Hospital, Vancouver, British Columbia, Canada
| | - Altug Cincin
- Marmara University School of Medicine Pendik, Training and Research Hospital, Kaynarca, Turkey
| | - Bavana V Rangan
- Minneapolis Heart Institute and Minneapolis Heart Institute Foundation, Abbott Northwestern Hospital, Minneapolis, Minnesota, USA
| | - Olga C Mastrodemos
- Minneapolis Heart Institute and Minneapolis Heart Institute Foundation, Abbott Northwestern Hospital, Minneapolis, Minnesota, USA
| | - Salman S Allana
- Minneapolis Heart Institute and Minneapolis Heart Institute Foundation, Abbott Northwestern Hospital, Minneapolis, Minnesota, USA
| | - Yader Sandoval
- Minneapolis Heart Institute and Minneapolis Heart Institute Foundation, Abbott Northwestern Hospital, Minneapolis, Minnesota, USA
| | - M Nicholas Burke
- Minneapolis Heart Institute and Minneapolis Heart Institute Foundation, Abbott Northwestern Hospital, Minneapolis, Minnesota, USA
| | - Emmanouil S Brilakis
- Minneapolis Heart Institute and Minneapolis Heart Institute Foundation, Abbott Northwestern Hospital, Minneapolis, Minnesota, USA
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