Risk factors for the development of perioperative complications in elderly patients undergoing lumbar decompression and arthrodesis for spinal stenosis: an analysis of 166 patients.

Study Design: Retrospective review.

Objective: To quantify and describe perioperative complication rates in a large series of well-matched elderly patients who underwent lumbar decompression and arthrodesis.

Summary Of Background Data: Posterior lumbar decompression and fusion is frequently performed to treat lumbar stenosis with instability.