Abstract:
STUDY DESIGN:Retrospective study. OBJECTIVE:To study the impact of smoking status on postoperative complications and pseudarthrosis in adult patients undergoing posterolateral fusion (PLF) of the lumbar spine. SUMMARY OF BACKGROUND DATA:Results of studies analyzing the impact of smoking on complication and pseudarthrosis rates after spine surgery are conflicting. METHODS:A retrospective medical record review was performed to identify all adult patients who underwent single- and 2-level instrumented PLF without interbody devices for degenerative spine disease in a 21-year period at a single institution. Patients were divided into smokers and nonsmokers. The main outcome variables were development of at least one postoperative complication and development of pseudarthrosis. RESULTS:A total of 281 patients underwent single- or 2-level PLF in the 21-year period. Of these, 231 (82.21%) patients were nonsmokers and 50 (17.9%) were smokers. For patients undergoing single-level PLF, complication rates in nonsmokers (3.57%) versus smokers (7.69%) were not significantly different (P = 0.353); pseudarthrosis in nonsmokers occurred in 9.82% of cases compared with 7.69% in the smokers group (P = 0.738). Nonsmokers undergoing 2-level PLF had complication rates of 6.72%, compared with 4.17% in smokers (P = 0.638), but pseudarthrosis rates were significantly higher in the smokers group than in the nonsmokers group (29.17% vs. 10.92%; P = 0.019). Patients were followed up for an average of 53.5 months. CONCLUSION:The findings in this study suggest that smoking has a significant impact on pseudarthrosis rates after 2-level PLF of the lumbar spine, but not necessarily on single-level PLF. LEVEL OF EVIDENCE:4.
journal_name
Spine (Phila Pa 1976)journal_title
Spineauthors
Bydon M,De la Garza-Ramos R,Abt NB,Gokaslan ZL,Wolinsky JP,Sciubba DM,Bydon A,Witham TFdoi
10.1097/BRS.0000000000000527subject
Has Abstractpub_date
2014-10-01 00:00:00pages
1765-70issue
21eissn
0362-2436issn
1528-1159journal_volume
39pub_type
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