International journal of surgery case reports · 2023
Novel TEVAR technique for thoracic aortic aneurysm repair: A case report.
Клинический случайСтатьяНазвание и аннотация: Перевод пока не подготовлен
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Fritzke Jack, Luciano Emmanuel, Alashari Akram, Kirshner Merick, Rodriguez-Lopez Julio
Аннотация
INTRODUCTION AND IMPORTANCE: A thoracic aortic aneurysm (TAA) is a life-threatening condition affecting 5-10 per 100,000 people per year. If not repaired, mortality rates are reported as high as 11.8 %, increasing to 97 %-100 % following a TAA rupture. Thoracic endovascular aortic repairs (TEVAR) are becoming more common, but currently face limitations due to complex vasculature. New techniques may provide a safer alternative.
CASE PRESENTATION: 70-year-old male presenting with a history of hypertension, dyslipidemia, and previous replacement of ascending aorta and hemi arch with reimplantation of innominate artery done in 2020. A CT scan done during routine interval monitoring of previous TAA repair demonstrated a new aneurysm, which was confirmed with CT angiogram. A novel TEVAR technique was used for repair. The patient tolerated this procedure well and was discharged from the ICU after six days.
CLINICAL DISCUSSION: Open procedures and hybrid techniques for TAA repair are not always suitable for high-risk patients. Alternative parallel grafting techniques have shown promising early results but still lack clinical support and long-term data. Several small-scale studies and case reports have demonstrated the use of in-situ laser fenestrations in various settings, but none have demonstrated the ability to extend the landing zone as far as zone 0 for repair of a Type B TAA.
CONCLUSION: The use of this novel technique may be considered suitable in high-risk patients with various subtypes of TAAs not suitable for open repair. More cases and clinical trials are needed to compare risks and long-term results to more commonly performed procedures.
CASE PRESENTATION: 70-year-old male presenting with a history of hypertension, dyslipidemia, and previous replacement of ascending aorta and hemi arch with reimplantation of innominate artery done in 2020. A CT scan done during routine interval monitoring of previous TAA repair demonstrated a new aneurysm, which was confirmed with CT angiogram. A novel TEVAR technique was used for repair. The patient tolerated this procedure well and was discharged from the ICU after six days.
CLINICAL DISCUSSION: Open procedures and hybrid techniques for TAA repair are not always suitable for high-risk patients. Alternative parallel grafting techniques have shown promising early results but still lack clinical support and long-term data. Several small-scale studies and case reports have demonstrated the use of in-situ laser fenestrations in various settings, but none have demonstrated the ability to extend the landing zone as far as zone 0 for repair of a Type B TAA.
CONCLUSION: The use of this novel technique may be considered suitable in high-risk patients with various subtypes of TAAs not suitable for open repair. More cases and clinical trials are needed to compare risks and long-term results to more commonly performed procedures.