Spinal anesthesia for hip pinning given with the patient supine.
D000328:Adult; D000368:Aged; D000775:Anesthesia, Spinal; D005265:Femoral Neck Fractures / Q000601:surgery*; D005592:Fracture Fixation; D006801:Humans; D007022:Hypotension / Q000453:epidemiology / Q000517:prevention & control*; D008722:Methods; D008875:Middle Aged; D011183:Postoperative Complications; D011187:Posture