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Outcomes of open surgical repair for chronic type B aortic dissections.

Abstract：

OBJECTIVE:Open surgical repair (OSR) for chronic type B aortic dissection (CTBAD) has an associated morbidity and mortality. The role of thoracic endovascular aortic repair (TEVAR) in CTBAD has not been determined. We analyzed our contemporary experience of CTBAD undergoing OSR to identify high-risk patients who may be considered for TEVAR. METHODS:From 1999 to 2010, 221 patients had repair of descending thoracic and thoracoabdominal aortic aneurysms, including 86 patients with CTBADs. We analyzed this cohort for mortality, complications, length of stay, and reinterventions. RESULTS:OSR was performed in 25 (29%) and 61 (71%) patients for descending thoracic and thoracoabdominal CTBAD, respectively. Median age was 57.0 years (interquartile range [IQR], 52.0-64.2 years), and median diameter was 6.0 cm (IQR, 5.0-6.9 cm). Fifty-nine patients (69%) were male. Eight (9%) were treated for rupture. Follow-up duration was 4.6 years (IQR, 2.8-6.9 years). Hospital mortality occurred in five patients (5.8%). Cardiopulmonary bypass was used in 83 patients (97%) and deep hypothermic arrest in 36 (42%). Two patients (2.3%) each developed paraplegia, stroke, and renal failure requiring permanent hemodialysis in the postoperative period. Length of stay was 13.5 days (IQR, 10.0-21.0 days). Univariate predictors of hospital death included redo operations and prolonged pump time (P < .05). Six patients (7%) had aortic-related reoperations at 4.3 years (IQR, 2.7-5.2 years): one for an ascending aortic aneurysm and five for descending aortic aneurysms. Overall survival at 1, 5, and 7 years was 92%, 83%, and 70%, respectively, and freedom from reoperation was 99%, 90%, and 86%, respectively. CONCLUSIONS:OSR of CTBAD is a durable option with low mortality. Patients requiring redo operations or anticipated prolonged pump time need further evaluation to determine whether conventional OSR or TEVAR, if feasible, is the optimal treatment option.

journal_name

J Vasc Surg

journal_title

Journal of vascular surgery

authors

Conway AM,Sadek M,Lugo J,Pillai JB,Pellet Y,Panagopoulos G,Carroccio A,Plestis K

doi

10.1016/j.jvs.2013.11.002

subject

Has Abstract

pub_date

2014-05-01 00:00:00

pages

1217-23

issue

eissn

0741-5214

issn

1097-6809

pii

S0741-5214(13)02028-4

journal_volume

pub_type

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Outcomes of open surgical repair for chronic type B aortic dissections.