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Iatrogenic coronary dissections are rare but potentially serious. Their management is complex, particularly if the dissection occurs without an angioplasty guide in the arterial lumen. In this context, angiography alone is insufficient, and endocoronary imaging is essential (using optical coherence or IVUS) to guide angioplasty when necessary (guide in the true lumen, coverage of the tear). We report here the case of an iatrogenic dissection of the right coronary artery treated with OFDI guiding., Competing Interests: Conflit d'intérêts Consulting et proctoring pour TERUMO., (Copyright © 2024 Elsevier Masson SAS. All rights reserved.)

Aim: Spontaneous coronary artery dissection (SCAD) is a form of acute coronary syndrome (ACS). The aim of this registry is to assess the clinical and angiographic features of SCAD, to describe the therapeutic management and prognosis, and to identify links with other vascular diseases., Method: From 2016 to 2018, 424 patients with a diagnosis of SCAD were included prospectively and retrospectively in 51 French cardiology centres., Results: 373 patients with confirmed SCAD were included. The mean age was 51.5±10.3 years with 90.6% women. 54.7% of patients had <2 cardiovascular risk factors. ACS occurred in 96.2% of patients. 84.2% of patients were managed conservatively, 15.5% interventionally and 0.3% surgically. At 1-year follow-up, recurrence of SCAD occurred in 3.3%. No deaths occurred. The association with fibro-muscular dysplasia was found in 45% of cases and genetic analysis confirmed a strong relationship between the occurrence of SCAD and gene variations at the PHACTR1 locus., Conclusion: The DISCO registry is the largest European cohort of SCAD. It confirms that this disease mainly affects young women with few cardiovascular risk factors, and that there is a strong association with the presence of fibromuscular dysplasia (45%). Conservative management should be preferred, with a favourable prognosis (no deaths at 1 year; recurrence rate of 3.3%)., (Copyright © 2023 Elsevier Masson SAS. All rights reserved.)

Intrastent restenosis (ISR) remains a common problem in interventional cardiology. Angiographic data are limited in assessing ISR. Optical coherence tomography (OCT) is a high-resolution endocoronary imaging technique. It allows individualization of the stent struts and thus reveals stent under-expansion or fracture, which are sometimes difficult to demonstrate on angiography. Restenotic tissue is also identified and can be classified as homogeneous neointima, heterogeneous neointima or neoatherosclerosis. OCT therefore helps guide the treatment of ISR, which varies depending on the etiology. This imaging technique also allows us to verify that the criteria for successful angioplasty have been met and thus to correct a potential risk factor for recurrence of ISR. These remarks are illustrated by two clinical cases. OCT is now validated in this indication, it remains to validate the interest of the technique on the follow-up of the patients and to integrate the new tools at our disposal., (Copyright © 2021 Elsevier Masson SAS. All rights reserved.)

Transcatheter aortic valve implantation (TAVI) has become the major approach to manage the severe aortic stenosis in inoperable patients that frequently present a coronary artery disease. To date, the available data related to the impact of these coronary lesions on survival is conflicting. When indicated, coronary revascularization could be beneficial for proximal lesions when performed before or during TAVI. The per-procedure coronary artery occlusion is rare, but with a bad prognosis. The coronary occlusion is more frequent with short distance of the coronary implantation and the small aortic sinuses, mostly occurring in the left main coronary. The scan analysis to identify high-risk cases is therefore important before the procedure in order to anticipate and prevent complications by specific techniques. Recently, late occlusion cases have been described and linked to thrombus or fibrosis mechanisms. The rate of success of percutaneous coronary intervention (PCI) after TAVI approach is weak, because of the difficulties of selective catheterization due to the stent of prosthesis. The different techniques of PCI have been outlined according to the type of the prosthesis., (Copyright © 2019 Elsevier Masson SAS. All rights reserved.)

Introduction: Patients with a history of coronary artery bypass and aortic valve disease constitute a high-risk group for conventional redo surgery. The transcatheter aortic valve implantation (TAVI) may be an alternative for high-risk patients. The purpose of this study is to evaluate the impact of TAVI in the treatment of aortic valve disease after previous surgical coronary artery revascularization., Patients and Methods: This is a single-center retrospective, observational study, including 87 patients undergoing surgery for surgical heart valve replacement or TAVI from January 2007 to December 2013., Results: The introduction of transcatheter aortic valve implantation techniques has doubled the number of redo patients treated for aortic valve disease. From 2010 to 2013, the patients treated by conventional surgery diminished by 30%, with improved postoperative outcomes. This study allowed us to notice differences in patient's in terms of operative risk factors. For the same reasons no comparison was possible between 2 subgroup of patients. Hospital mortality was 6.4% for conventional aortic surgery and 20% for transcatheter aortic valve treatment., Conclusion: Surgery remains the standard treatment for aortic valve disease even in redo patients, but TAVI becomes a very interesting tool as it may represent a tailored approach for our patients., (Copyright © 2015 Elsevier Masson SAS. All rights reserved.)

Spontaneous coronary artery dissection (SCAD) is a poorly understood and under-diagnosed entity of acute coronary syndrome, affecting predominantly young women. On coronary angiography, the diagnosis remains challenging, particularly in case of intramural hematoma without intimal rupture. Intracoronary imaging, especially by optical coherence tomography (OCT), provides an incremental value in terms of diagnosis and management. We report the case of a 49-year-old woman admitted for STEMI caused by an intramural hematoma. In the discussion part, we aim to review the epidemiology, physiopathology, diagnosis, management and long-term prognosis of SCAD., (Copyright © 2015 Elsevier Masson SAS. All rights reserved.)

We report the case of a 24-year-old patient admitted for anterior ST segment elevation myocardial complicated by ventricular fibrillation and revealing thrombotic sub occlusion of the left anterior descending coronary artery. Revascularization is achieved by manual thrombectomy and use of Glycoprotein GPIIbIIIa inhibitors and permits to restore TIMI 3 flow. Given the large thrombotic burden, the patient is initially treated medically (optimal anti thrombotic therapy without stenting) and benefits from angiographic control 48 hours later with imaging by Optical Coherence Tomography (OCT). It shows a reduction of thrombus burden and lack of significant underlying organic lesion (no organic stenosis or plaque rupture). In view of these data, it was decided to continue medical treatment alone without stenting. OCT imaging at 6 months shows atheroma without stenosis, thrombus or plaque rupture. This young patient remains asymptomatic and recovered normal left ventricular function with a 2-year follow-up., (Copyright © 2014 Elsevier Masson SAS. All rights reserved.)