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Single- versus Dual-Attending Surgeon Approach for Spine Deformity: A Systematic Review and Meta-Analysis
Asad M Lak1, Abdullah M Abunimer1, Caroline M W Goedmakers1
1Computational Neuroscience Outcomes Center, Department of Neurosurgery, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts.
Background:
Surgical management of spine deformity is associated with significant morbidity. Recent literature has inconsistently demonstrated better outcomes after utilizing 2 attending surgeons for spine deformity.
Objective:
To conduct a systematic review and meta-analysis on studies reporting outcomes following single- vs dual-attending surgeons for spine deformity.
Methods:
MEDLINE, Embase, Web of science, and Cochrane databases were last searched on July 16, 2020. A total of 1013 records were identified excluding duplicates. After screening, 10 studies (4 cohort, 6 case series) were included in the meta-analysis. Random-effect models were used to pool the effect estimates by study design. When feasible, further subgroup analysis by deformity type was conducted.
Results:
A total of 953 patients were analyzed. Pooled results from propensity score-matched cohort studies revealed that the single-surgeon approach was unfavorably associated with a nonstatistically significant higher blood loss (mean difference = 421.0 mL; 95% CI: -28.2, 870.2), a statistically significant higher operative time (mean difference = 94.3 min; 95% CI: 54.9, 133), length of stay (mean difference = 0.84 d; 95% CI: 0.46, 1.22), and an increased risk of complications (Mantel-Haenszel risk ratio = 2.93; 95% CI: 1.12, 7.66). Data from pooled case series demonstrated similar results for all outcomes. Moreover, these results did not differ significantly between deformity types (adolescent idiopathic scoliosis and adult spinal deformity).
Conclusion:
Dual-attending surgeon approach appeared to be associated with reduced operative time, shorter hospital stays, and reduced risk of complications. These findings may potentially improve outcomes in surgical treatment of spine deformity.
