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  4. Impact of preoperative identification of the artery of Adamkiewicz on spinal cord injury after descending aortic and thoracoabdominal aortic repair

Impact of preoperative identification of the artery of Adamkiewicz on spinal cord injury after descending aortic and thoracoabdominal aortic repair

Ann Cardiothorac Surg, 2023 · DOI: 10.21037/acs-2023-scp-18 · Published: August 10, 2023

Spinal Cord InjuryCardiovascular ScienceSurgery

Simple Explanation

This study investigates how identifying the Artery of Adamkiewicz (AKA) before surgery impacts the risk of spinal cord injury (SCI) during procedures to repair aneurysms in the descending thoracic aorta (dTA) and thoracoabdominal aorta (TAA). The researchers reviewed data from patients who underwent open repair (OR) or endovascular repair (EVR) to see if locating the AKA beforehand helped reduce SCI. The findings suggest that knowing where the AKA is before surgery can help doctors choose treatment strategies that lower the chances of SCI in both OR and EVR procedures for dTA and TAA issues.

Study Duration
2011-2022
Participants
256 patients (201 males, 55 females)
Evidence Level
Not specified

Key Findings

  • 1
    Preoperative identification of the AKA was useful enough to determine treatment strategies with less likelihood of SCI in both OR and EVR for dTA and TAA pathologies.
  • 2
    The incidence of SCI was significantly higher in patients with the AKA covered than those without it covered [13.8% (9 of 65) vs. 1.1% (1 of 89); P=0.002].
  • 3
    In OR, MSA patients had significantly lower incidence of SCI than non-MSA patients [1.7% (1/60) vs. 12.8% (5/39), P=0.037].

Research Summary

This study aimed to evaluate the impact of preoperative AKA identification on reducing SCI incidence in OR and EVR for dTA and TAA pathologies. The study found that preoperative identification of the AKA is useful in determining treatment strategies to reduce the likelihood of SCI in both OR and EVR. Covering the AKA with an endovascular prosthesis in EVR was associated with a significantly higher incidence of SCI.

Practical Implications

Improved Surgical Planning

Preoperative AKA identification allows for better planning of surgical approaches in both open and endovascular repair.

Reduced SCI Risk

Targeted reconstruction or avoidance of AKA coverage can reduce the risk of spinal cord injury.

Muscle-Sparing Approach Benefits

The muscle-sparing approach (MSA) may further enhance spinal cord protection during open repair.

Study Limitations

  • 1
    Retrospective investigation
  • 2
    Single center study
  • 3
    Small sample size

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