Why the study?
Does moderate hypotensive anesthesia reduce blood loss, need for transfusion, and length of surgery in patients undergoing posterior spinal fusion and Harrington-rod instrumentation?
Population
49 patients who underwent posterior spinal fusion and Harrington-rod instrumentation
Comparison
Moderate hypotensive anesthesia with enflurane… vs Normotensive anesthesia with nitrous oxide…
Design
Cohort
Authors
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Moderate hypotensive anesthesia was associated with reduced blood loss and transfusions in scoliosis surgery; hypothesis-generating and requires randomized confirmation before practice change.
Does moderate hypotensive anesthesia reduce blood loss, need for transfusion, and length of surgery in patients undergoing posterior spinal fusion and Harrington-rod instrumentation?
Moderate hypotensive anesthesia with enflurane and fentanyl reduces blood loss, transfusion requirements, and operating time in scoliosis surgery.
Patel et al. (1985) studied this question.
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