Hypotension from spinal anesthesia in patients aged greater than 80 years is due to a decrease in systemic vascular resistance.

STUDY OBJECTIVES To determine the exact mechanism underlying spinal anesthesia-induced hypotension in the elderly patient. DESIGN Retrospective case-control study. SETTING Operating room (OR) in a general hospital. MEASUREMENTS Records from 60 consecutive patients over 80 years of age, who underwent hip fracture repair (intramedullary nail or… CONTINUE READING