Ibrahim Hatoum1, Raymond N Haddad2, Zakhia Saliba3, Toni Abdel Massih1. 1. Department of Cardiology, Hotel Dieu de France University Medical Center, Saint Joseph University Beirut, Lebanon. 2. Department of Pediatrics, Hotel Dieu de France University Medical Center, Saint Joseph University Beirut, Lebanon. 3. Department of Pediatric Cardiology, Hotel Dieu de France University Medical Center, Saint Joseph University Beirut, Lebanon.
Abstract
OBJECTIVE: To evaluate safety and efficacy of endovascular stenting for aortic coarctation (AC) and to explore the effect of clinical parameters and stent characteristics on outcomes. MATERIAL AND METHODS: Clinical data of all patients with AC who had attempted transcatheter stenting between 2004 and 2019 were retrospectively reviewed. Eligible patients had native or recurrent AC with systemic arterial hypertension and resting arm-leg pressure gradient > 20 mmHg. Exclusions included distance between takeoff of cervical arteries and stenotic aortic lesion < 10 mm, contraindication to antithrombotic therapy, bodyweight < 25 kg, and secondary hypertension. RESULTS: A total of 20 patients (75.0% with native lesions) were included with a mean age of 18.4 years and a mean bodyweight of 59.2 kg. Procedure was successful in 90.0% of cases with an immediate drop in the invasive pressure gradient across lesions. On a median follow-up of 12 months (range, 8 to 144.9 months), coarctation reoccurred in five patients, but four of them required intervention after a median of 104.4 months with successful outcomes. Cheatham Platinum stents were significantly associated with lower rates of recoarctations and reinterventions. At the latest follow-up, three out of six patients with persistent hypertension had no recoarctation. Analysis showed that the need for antihypertensive therapy was not influenced by clinical parameters, aortic arch geometry, or stent characteristics. CONCLUSION: Treating AC with stent implantation is a safe and successful procedure. Using Cheatham Platinum stents appears to be associated with better outcomes. The persistence of arterial hypertension despite successful stenting remains a complex and challenging phenomenon. AJCD
OBJECTIVE: To evaluate safety and efficacy of endovascular stenting for aortic coarctation (AC) and to explore the effect of clinical parameters and stent characteristics on outcomes. MATERIAL AND METHODS: Clinical data of all patients with AC who had attempted transcatheter stenting between 2004 and 2019 were retrospectively reviewed. Eligible patients had native or recurrent AC with systemic arterial hypertension and resting arm-leg pressure gradient > 20 mmHg. Exclusions included distance between takeoff of cervical arteries and stenotic aortic lesion < 10 mm, contraindication to antithrombotic therapy, bodyweight < 25 kg, and secondary hypertension. RESULTS: A total of 20 patients (75.0% with native lesions) were included with a mean age of 18.4 years and a mean bodyweight of 59.2 kg. Procedure was successful in 90.0% of cases with an immediate drop in the invasive pressure gradient across lesions. On a median follow-up of 12 months (range, 8 to 144.9 months), coarctation reoccurred in five patients, but four of them required intervention after a median of 104.4 months with successful outcomes. Cheatham Platinum stents were significantly associated with lower rates of recoarctations and reinterventions. At the latest follow-up, three out of six patients with persistent hypertension had no recoarctation. Analysis showed that the need for antihypertensive therapy was not influenced by clinical parameters, aortic arch geometry, or stent characteristics. CONCLUSION: Treating AC with stent implantation is a safe and successful procedure. Using Cheatham Platinum stents appears to be associated with better outcomes. The persistence of arterial hypertension despite successful stenting remains a complex and challenging phenomenon. AJCD
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