Abstract
BACKGROUND CONTEXT Spinal fusion is increasingly considered for management of patients with osteoporosis (OP) and degenerative disc disease (DDD). Little data is available regarding long-term outcomes in OP patients undergoing short-segment, lumbar fusion for DDD. PURPOSE Analyze the impact of OP on long-term outcomes in patients who have had 2-3-level lumbar fusions for degenerative disc disease. STUDY DESIGN/SETTING Retrospective review of the New York State Statewide Planning and Research Cooperative System (NYS SPARCS) database. PATIENT SAMPLE Patients with DDD undergoing 2-3-level lumbar fusion. OUTCOME MEASURES Frequency of 2-year medical and surgical complications and reoperations. METHODS Utilizing SPARCS, all patients from 2009-2011 with ICD-9 codes for DDD who underwent 2-3-level lumbar fusion were identified. Patients with bone mineralization disorders, systemic and endocrine disorders affecting bone quality were excluded. Surgical indications of trauma, systemic disease(s), and infection were excluded. Patients with and without OP were compared for demographics, hospital-related parameters, and 2-year complications and reoperations. Logistic regression models were utilized to identify predictors of complications. RESULTS A total of 29,028 patients (OP=1,353 (4.7%), No-OP=27,675) were included. OP patients were older (66.9 vs 52.6 years) as well as more often female (85.1% vs 48.4%) and white (82.8% vs 73.5%), all p CONCLUSIONS Patients with OP undergoing 2-3-level lumbar fusion for DDD were at higher risk of 2-year medical and surgical complications, and 3.4% of OP patients experienced implant-related complication. These findings highlight the importance of rigorous preoperative metabolic workup prior to spinal surgery. FDA DEVICE/DRUG STATUS This abstract does not discuss or include any applicable devices or drugs.
Published Version
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