What question did this study set out to answer?

To determine whether surgical repair techniques and cross-clamp duration correlate with paraplegia rates and overall survival following blunt thoracic aortic injury.

April 1, 1996

Thoracic Aorta Injuries

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Authors

JHJohn P. HuntUniversity Medical Center New Orleans CBChristopher C. BakerPhiladelphia College of Osteopathic Medicine CLChristopher W. LentzStanford Health Care

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Implication

Multicenter cohort study demonstrates lower paraplegia rates with bypass or short cross-clamp times in blunt thoracic aorta injuries, suggesting bypass mitigates ischemic spinal risk.

Key Points

To determine whether surgical repair techniques and cross-clamp duration correlate with paraplegia rates and overall survival following blunt thoracic aortic injury.
Retrospective chart review across eight state trauma centers examining 63,507 hospitalized trauma patients.
Identified 144 patients with blunt thoracic aortic injury (incidence = 0.23%) and analyzed 86 patients who had complete operative data.
Compared paraplegia and survival outcomes between clamp-and-sew repair and bypass repair relative to aortic cross-clamp time.
Overall mortality was 44.1% (64 of 144 patients), with the majority of deaths occurring in the emergency department (26) or the operating room (12).
No patients who experienced an aortic cross-clamp time of less than 35 minutes developed paraplegia (p = 0.02).
For patients with cross-clamp times of 35 minutes or longer, paraplegia occurred in 42.9% (6 of 14) of clamp-and-sew repairs compared to 5.4% (2 of 37) of repairs using bypass (p = 0.005).

Cite This Study

Hunt et al. (1996) studied this question.

synapsesocial.com/papers/6a823bd2004fcf503374aac2 https://doi.org/10.1097/00005373-199604000-00005

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Implication

Multicenter cohort study demonstrates lower paraplegia rates with bypass or short cross-clamp times in blunt thoracic aorta injuries, suggesting bypass mitigates ischemic spinal risk.

Thoracic Aorta Injuries

Discussion

Member takes

Implication

Key Points

Cite This Study

Thoracic Aorta Injuries

Discussion

Member takes

Implication

Key Points

Cite This Study

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