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Indexed/Abstracted in: BIOSIS Previews, Current Contents/Clinical Medicine, EMBASE, PubMed/MEDLINE, Science Citation Index Expanded (SciSearch), Scopus
Impact Factor 1,632
Online ISSN 1827-191X
Di Bartolomeo R. 1, Pacini D. 1, Armaro A. 1, Di Marco L. 1, Marsilli D. 2
1 Department of Cardiac Surgery S.Orsola-Malpighi Hospital University of Bologna, Bologna, Italy
2 Department of Cardiac Anesthesia S. Orsola-Malpighi Hospital University of Bologna, Bologna, Italy
Aim. The treatment of complex aortic pathologies of the thoracic aorta remains a challenging issue in aortic surgery. The“ Frozen elephant trunk” technique represents a recent development of the classic elephant trunk technique combining endovascular with conventional surgery.
Methods. Between January 2007 and January 2008, 24 patients were operated on for complex pathologies of the thoracic aorta using the frozen elephant trunk technique with the E-vita open prosthesis. There were 21 male (87.5%) and the mean age was 62.4±9.9 years. The majority of patients (N=11) presented type A chronic dissection, 6 (25%) patients had chronic aneurysm of distal aortic arch and 5 (20.8%) type B aortic dissection associated with ascending aorta/aortic arch aneurysm. There were 2 cases of acute aortic dissection (1 type A and 1 type B). Nine patients (37.5%) underwent previous cardiovascular operations.
Results. The overall in-hospital mortality was 4.2% (1 patient). None patient developed postoperative stroke and 1 patient suffered from spinal cord ischemia (1 paraparesis, 1 paraplegia). There were 2 cases (8.3%) of renal failure (dialysis), 2 patients (8.3%) had pulmonary complications and 2 patients (8.3%) needed rethoracotomy for bleeding. Five patients (21.7%) required extension of the descending thoracic aorta repair with endovascular treatment for persistent perfusion of dilated false lumen.
Conclusion. The Frozen Elephant trunk technique with the new E-vita open prosthesis combines surgical and interventional technologies and it represents a feasible and efficient option in the treatment of complex aortic pathologies. However long term follow up is required.