Increased 30-Day Complication Rates Associated with Laminectomy in 874 Adult Patients with Spinal Deformity Undergoing Elective Spinal Fusion: A Single Institutional Study.
OBJECTIVE: Recent studies have reported that decompression with fusion leads to superior outcomes in correction of spinal deformity. The aim of this study was to determine if there is a difference in intraoperative and 30-day postoperative complication rates in patients undergoing spinal fusion with and without decompression. METHODS: Medical records of 874 adult (≥18 years old) patients with spinal deformity undergoing elective spinal fusion at a major academic institution from 2005 to 2015 were reviewed; 374 (42.8%) patients underwent laminectomy in addition to spinal fusion. The primary outcome investigated was the rate of intraoperative and 30-day complications. RESULTS: Patient demographics and comorbidities were similar between groups. The laminectomy cohort had significantly higher estimated blood loss (P < 0.0001), incidence of allogeneic blood transfusions (P = 0.0001), and rate of intraoperative durotomies (laminectomy cohort 10.4% vs. no-laminectomy cohort 3.1%; P < 0.0001). The laminectomy cohort had a significantly higher proportion of patients in the intensive care unit (28.6% vs. 17.7%; P < 0.001). There was no significant difference in 30-day readmission rate between cohorts (laminectomy cohort 13.0% vs. no-laminectomy cohort 9.8%; P = 0.13). Within 30 days after initial discharge, the laminectomy cohort had significantly higher rates of altered mental status (3.2% vs. 1.2%; P = 0.05), urinary tract infection (4.3% vs. 1.4%; P = 0.009), wound drainage (7.2% vs. 3.1%; P = 0.007), and instrumentation failure (1.1% vs. 0.0%; P = 0.03). CONCLUSIONS: Patients undergoing spinal fusion with laminectomy may have higher complication rates than patients undergoing spinal fusion alone.
Elsamadicy, AA; Adogwa, O; Warwick, H; Sergesketter, A; Lydon, E; Shammas, RL; Mehta, AI; Vasquez, RA; Cheng, J; Bagley, CA; Karikari, IO
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