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Improved outcomes and value in staged hybrid extent II thoracoabdominal aortic aneurysm repair.

Abstract：

OBJECTIVE:Complex Crawford extent II thoracoabdominal aortic aneurysms (TAAAs) can be treated in a hybrid manner with proximal thoracic endovascular aneurysm repair, followed by staged distal open thoracoabdominal repair. This study evaluated the outcomes and health care-associated value of this new method compared with traditional open repair over 10 years. METHODS:A prospectively collected database was used to identify all patients with an extent II TAAA undergoing repair at a single institution between 2005 and 2015. Patient characteristics, postoperative outcomes, and incidence of major adverse events (MAEs; renal failure, spinal cord ischemia, death) were compared. After adjusting for time since surgery, value was analyzed looking at quality (1/MAE) divided by cost (total health system cost). This was multiplied by a constant to set the value of open TAAA repair to 100. RESULTS:A total of 113 consecutive patients underwent extent II TAAA repairs, of whom 25 (22.1%) had a staged hybrid approach with a median of 129 days between procedures. No baseline differences in demographic or comorbidity variables existed between groups (P > .05). The hybrid group had shorter operative time (255 vs 306 minutes; P = .01), shorter postoperative length of stay (10.1 vs 13.3 days; P = .02), and reduced blood loss (1300 vs 2600 mL; P = .01) at the time of open operation. Despite higher rates of acute kidney injury in the hybrid group (76.0% vs 51.1%; P = .03), there was no difference in renal failure (8.0% vs 4.5%; P = .84). The incidence of MAEs was lower in the staged hybrid group (20.0% vs 48.9%; P = .01), without a difference in hospital mortality (4.0% vs 3.4%; P = .89). Median total cost was higher in the hybrid group ($112,920 vs $72,037; P = .003). Value was improved in the hybrid group by 56% using mean cost and 178% by median cost. CONCLUSIONS:The 20% MAE rate associated with staged hybrid repair of extent II TAAA was significantly decreased compared with open repair, with a relative reduction of >50%. Despite higher total hospital costs, staged hybrid repair had 56% to 178% higher health care-related value compared with standard open repair. In an era of increasing focus on costs and quality, staged hybrid repair of extensive TAAAs is associated with fewer complications than open TAAA repair, resulting in a good value investment from a resource utilization perspective.

journal_name

J Vasc Surg

journal_title

Journal of vascular surgery

authors

Hawkins RB,Mehaffey JH,Narahari AK,Jain A,Ghanta RK,Kron IL,Kern JA,Upchurch GR Jr

doi

10.1016/j.jvs.2017.03.420

subject

Has Abstract

pub_date

2017-11-01 00:00:00

pages

1357-1363

issue

eissn

0741-5214

issn

1097-6809

pii

S0741-5214(17)31063-7

journal_volume

pub_type

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Improved outcomes and value in staged hybrid extent II thoracoabdominal aortic aneurysm repair.