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Background Morbidity and mortality scores are useful to control for medical comorbidities in study populations where either effects of an illness or benefits of a treatment are examined. Our study examined if a direct relationship existed between the American Society of Anesthesiologists Physical Status (ASA) score and the Charlson Comorbidity Index (CCI) in an osteoporosis population where patients had sustained a vertebral compression fracture.

Bone scanning is an excellent predictor of response to kyphoplasty and decreases the number of vertebrae to be treated as suggested by X-ray. Preoperative bone scanning is recommended to avoid incorrect selection of treatment level. Even when the appropriate level has been selected an incomplete response can be expected if additional chronic fracture is seen on bone scanning. In the event of unexpected incomplete response, re-evaluation with bone scanning may demonstrate new disease amenable to therapy.

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