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Permissive Hypertension and Collateral Revascularization May Allow Avoidance of Cerebrospinal Fluid Drainage in Thoracic Endovascular Aortic Repair.

Publication ,  Journal Article
Weissler, EH; Voigt, SL; Raman, V; Jawitz, O; Doberne, J; Anand, J; Plichta, R; Gaca, JG; McCann, RL; Hughes, GC
Published in: Ann Thorac Surg
November 2020

BACKGROUND: The utility of cerebrospinal fluid drainage (CSFD) for prevention of spinal cord ischemia (SCI) after thoracic endovascular aortic repair (TEVAR) remains unclear. We previously published our institutional algorithm restricting preoperative CSFD to patients deemed high risk for SCI. Since that publication, our algorithm has evolved with preoperative CSFD avoided in all patients undergoing isolated descending TEVAR with or without arch involvement (+/- arch TEVAR). This study evaluated the updated algorithm in a contemporary cohort. METHODS: Patients who underwent TEVAR for descending aortic +/-arch pathology between February 2012 and September 2018 at a single center were identified from an institutional aortic surgery database. The algorithm includes left subclavian artery (LSA) revascularization in cases of coverage with no preservation of antegrade flow, permissive hypertension, and use of evoked potential monitoring. The primary end points were SCI or postoperative CSFD. RESULTS: During the study interval, 225 patients underwent descending +/- arch TEVAR. CSFD was used before TEVAR in 2 patients (0.9%) in violation of the algorithm, and they were excluded from the study cohort. Endograft coverage below T6 occurred in 81%. The LSA was fully covered in 100 patients (47%), all of whom underwent LSA revascularization. Following the updated algorithm, the incidence of temporary or permanent SCI was 0%. No patient required postoperative CSFD. CONCLUSIONS: A restrictive lumbar CSFD algorithm, including permissive hypertension and LSA revascularization in the setting of descending +/- arch TEVAR, appears safe, with a 0% incidence of SCI in 223 consecutive patients treated during a 6.5-year interval. We recommend consideration of further prospective study to evaluate this algorithm.

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Published In

Ann Thorac Surg

DOI

EISSN

1552-6259

Publication Date

November 2020

Volume

110

Issue

5

Start / End Page

1469 / 1474

Location

Netherlands

Related Subject Headings

  • Withholding Treatment
  • Subclavian Artery
  • Spinal Cord Ischemia
  • Retrospective Studies
  • Respiratory System
  • Postoperative Complications
  • Middle Aged
  • Male
  • Hypertension
  • Humans
 

Citation

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Weissler, E. H., Voigt, S. L., Raman, V., Jawitz, O., Doberne, J., Anand, J., … Hughes, G. C. (2020). Permissive Hypertension and Collateral Revascularization May Allow Avoidance of Cerebrospinal Fluid Drainage in Thoracic Endovascular Aortic Repair. Ann Thorac Surg, 110(5), 1469–1474. https://doi.org/10.1016/j.athoracsur.2020.04.101
Weissler, E Hope, Soraya L. Voigt, Vignesh Raman, Oliver Jawitz, Julie Doberne, Jatin Anand, Ryan Plichta, Jeffrey G. Gaca, Richard L. McCann, and G Chad Hughes. “Permissive Hypertension and Collateral Revascularization May Allow Avoidance of Cerebrospinal Fluid Drainage in Thoracic Endovascular Aortic Repair.Ann Thorac Surg 110, no. 5 (November 2020): 1469–74. https://doi.org/10.1016/j.athoracsur.2020.04.101.
Weissler EH, Voigt SL, Raman V, Jawitz O, Doberne J, Anand J, et al. Permissive Hypertension and Collateral Revascularization May Allow Avoidance of Cerebrospinal Fluid Drainage in Thoracic Endovascular Aortic Repair. Ann Thorac Surg. 2020 Nov;110(5):1469–74.
Weissler, E. Hope, et al. “Permissive Hypertension and Collateral Revascularization May Allow Avoidance of Cerebrospinal Fluid Drainage in Thoracic Endovascular Aortic Repair.Ann Thorac Surg, vol. 110, no. 5, Nov. 2020, pp. 1469–74. Pubmed, doi:10.1016/j.athoracsur.2020.04.101.
Weissler EH, Voigt SL, Raman V, Jawitz O, Doberne J, Anand J, Plichta R, Gaca JG, McCann RL, Hughes GC. Permissive Hypertension and Collateral Revascularization May Allow Avoidance of Cerebrospinal Fluid Drainage in Thoracic Endovascular Aortic Repair. Ann Thorac Surg. 2020 Nov;110(5):1469–1474.
Journal cover image

Published In

Ann Thorac Surg

DOI

EISSN

1552-6259

Publication Date

November 2020

Volume

110

Issue

5

Start / End Page

1469 / 1474

Location

Netherlands

Related Subject Headings

  • Withholding Treatment
  • Subclavian Artery
  • Spinal Cord Ischemia
  • Retrospective Studies
  • Respiratory System
  • Postoperative Complications
  • Middle Aged
  • Male
  • Hypertension
  • Humans