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The Annals of Thoracic Surgery, Vol 57, 1436-1439, Copyright © 1994 by The Society of Thoracic Surgeons
KS Naunheim, MG Barnett, DG Crandall, KJ Vaca and JK Burkus
Spinal operation via an anterior thoracic approach is becoming increasingly
common, and the thoracic surgeon is now being called upon to provide
exposure for orthopedic and neurosurgical colleagues. We report experience
with 126 such patients from 1982 through 1993. There were 61 male and 65
female patients (mean age, 39.0 years; range, 14 to 77 years). Indications
were trauma in 45 patients (36%), spinal deformity in 42 (33%), cancer in
15 (12%), disc disease in 12 (10%), and infection in 12 (10%). Operative
incisions included 22 (17%) right and 14 (11%) left thoracotomies, 33 (26%)
right and 56 (44%) left thoracolumbar approaches, and one (1%) sternotomy.
A prior spinal operation had been performed on 31 patients (25%), and 56
(44%) had a subsequent posterior spinal operation. Instrumentation was used
in 38 (30%) and bone grafts in all but 6 patients. A neurologic deficit was
present in 69 patients (55%) preoperatively and was improved in 67 patients
postoperatively. Operative mortality was 3.2% (4 patients) due to
myocardial infarction, stroke with pneumonia, adult respiratory distress
syndrome, and malignant biliary obstruction. Univariate and multivariate
risk analysis were performed. Only the diagnosis of osteomyelitis proved to
be a significant (p = 0.0002) indicator of operative mortality, with 3 of
12 such patients dying (25%). These results suggest that anterior spinal
exposure via thoracic approach is a major operation with considerable
perioperative risk. Patients with osteomyelitis appear to be at increased
risk for operative mortality.
ARTICLES
Anterior exposure of the thoracic spine
Department of Surgery, St. Louis University Health Sciences Center, Missouri 63110-0250.
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