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Short series of emergency stent-graft repair of symptomatic penetrating thoracic aortic ulcers (PTAU)

Leeds Vascular Institute, Leeds General Infirmary hrsgirn{at}aol.com

S McPherson

Department of Interventional Radiology, Leeds General Infirmary

T Nicholson

Department of Interventional Radiology, Leeds General Infirmary

AID Mavor

Leeds Vascular Institute, Leeds General Infirmary

S Homer-Vanniasinkam

Leeds Vascular Institute, Leeds General Infirmary

MJ Gough

Leeds Vascular Institute, Leeds General Infirmary

Abstract

Acute penetrating thoracic aortic ulcers (PTAU) are associated with vessel rupture, particularly when intramural haematoma (IMH) is present. Although surgical repair is the treatment of choice for PTAU in the aortic arch, definitive treatment of PTAU in other locations of the thoracic aorta remains controversial, particularly in this frail cohort of patients. Recent series of elective and semi-elective endovascular stent-graft repair of PTAU of the descending thoracic aorta show comparable results with the previously advocated best medical management. We report our results from a retrospective, observational study of acute stent-graft repair of symptomatic PTAU. Between 2000 and 2005, 11 patients (seven male, four female; median age 71 years) presented with acute PTAU. CT scans demonstrated an associated IMH in six, a contained leak in three or rupture in four unstable patients. All were covered by a single endovascular stent [Gore (5), Talent (5), Zenith (1); 10 inserted via the groin and one via iliac conduit within 1 week of presentation (five < 24 h). Technical success was 90.90% (10/11) and 3/11 (27%) died within 30 days (two ARDS, one a persistent leak and rupture at 48 h). One patient developed transient paraplegia; three haemothoraces required chest drains, one of which subsequently required empyema drainage. In survivors, CT scans were satisfactory, with no further intervention required at 32.5 (6–66) months of median follow-up. In conclusion, endovascular management of acute PTAU appears effective and durable with mortality rates that are likely to be better than for open surgery. However, haemodynamic compromise at presentation remains a robust denominator of over-all survival.

Key Words: aneurysm • aorta • aortic disease • stent-graft

Vascular Medicine, Vol. 14, No. 2, 123-128 (2009)
DOI: 10.1177/1358863X08098951


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