Impact of Secondary Aortic Interventions After Thoracic Endovascular Aortic Repair on Long-Term Survival

Ann Thorac Surg. 2020 Jul;110(1):27-38. doi: 10.1016/j.athoracsur.2019.10.015. Epub 2019 Nov 27.

Abstract

Background: The indications for and technology surrounding thoracic endovascular aortic repair (TEVAR) have undergone significant evolution with increasing adoption. The purpose of this report is to evaluate pathology-specific incidence, timing, and types of secondary aortic intervention (SAI) after TEVAR and their impact on survival.

Methods: A single-center retrospective review was made of all TEVAR and SAI performed from 2004 to 2018. Kaplan-Meier and multivariable logistic regression were used to estimate freedom from SAI and survival, and to identify SAI predictors.

Results: Of 1037 patients (mean age 65.4 ± 15.1 years), 155 (14.9%) underwent 212 SAIs (median 5 months; interquartile range, 1.5 to 18) with 37 (3.6%) requiring more than one SAI. The primary aortic pathology at index TEVAR significantly (P = .0001) affected the incidence of SAI: chronic dissection, 26.5%; postsurgical anastomotic pseudoaneurysm, 19.4%; degenerative aneurysm, 15.3%; and acute dissection, 11.2%. The most common indications for SAI were endoleaks (44.8%), disease progression or remote aortic procedure (23.1%), and persistent false lumen flow (9.9%). After exclusion of 30-day mortality events, patients who did not undergo a SAI had better survival compared with patients having SAI: no SAI 1 year 88.8% ± 1.1%, 5 years 75.2% ± 1.7%, and 10 years, 66.5% ± 2.3%; SAI 1 year 91.7% ± 2.4%, 5 years 61.9% ± 4.9%, and 10 years 33.5% ± 8.4% (log rank P = .004).

Conclusions: Secondary aortic intervention after TEVAR is not uncommon, particularly among patients with chronic dissection pathology. Patients surviving their index hospitalization who undergo SAI have worse long-term survival. The varying incidence of SAI by indication identifies the need for pathology-specified patient selection, surveillance strategies after TEVAR, and better device design that addresses the limitations of TEVAR, particularly in dealing with dissection-related indications.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Aged
  • Aged, 80 and over
  • Anastomotic Leak / epidemiology
  • Anastomotic Leak / surgery
  • Aneurysm, False / epidemiology
  • Aneurysm, False / surgery
  • Aorta, Thoracic / surgery*
  • Aortic Aneurysm, Thoracic / surgery*
  • Aortic Dissection / surgery*
  • Blood Vessel Prosthesis Implantation* / adverse effects
  • Comorbidity
  • Disease-Free Survival
  • Endovascular Procedures*
  • Female
  • Follow-Up Studies
  • Humans
  • Kaplan-Meier Estimate
  • Male
  • Middle Aged
  • Postoperative Complications / epidemiology
  • Postoperative Complications / surgery
  • Registries
  • Reoperation
  • Retrospective Studies
  • Risk Factors
  • Treatment Outcome