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. 2022 Sep;12(7):1407-1411.
doi: 10.1177/2192568220981971. Epub 2021 Jan 12.

What Are Risk Factors for an Ileus After Posterior Spine Surgery?-A Case Control Study

Emre Yilmaz  1   2   3 , Eric Benca  1 , Akil P Patel  1 , Sarah Hopkins  1 , Ronen Blecher  1 , Amir Abdul-Jabbar  1 , Thomas M O'Lynnger  1 , Rod J Oskouian  1   2 , Daniel C Norvell  4 , Jens Chapman  1
Affiliations

What Are Risk Factors for an Ileus After Posterior Spine Surgery?-A Case Control Study

Emre Yilmaz et al. Global Spine J. 2022 Sep.

Abstract

Study design: Case-Control Study.

Objective: The purpose of this retrospective study is to evaluate risk factors for developing a postoperative ileus after posterior spine surgery.

Methods: Patient charts, including radiographs were evaluated retrospectively. Diagnosis of an ileus was confirmed radiographically by a CT scan in all cases. The control group was retrieved by selecting a random sample of patients undergoing posterior spine surgery who did not develop bowel dysfunction postoperatively.

Results: A total of 40 patients had a postoperative ileus. The control group consisted of 80 patients. Both groups did not differ significantly in age, gender, BMI, tobacco use, comorbidities or status of previous abdominal surgery. Significant differences between the 2 groups was the length of stay (5.9 vs. 11.2; p = 0.001), surgery in the lumbar spine (47.5% vs. 87.5%; p < 0.001) and major spine surgery involving > 3 levels (35.0% vs. 57.5%; p = 0.019). Patients who suffered from an ileus were more likely to be treated in ICU (23.8% vs. 37.5%; p = 0.115), being re-admitted (0.0% vs 5.0%; p = 0.044) and having a delayed discharge (32.5% vs. 57.5%; p = 0.009). Multivariable analysis demonstrated that lumbar spine surgery compared to thoracic and/or cervical spine surgery (p = 0.00, OR 8.7 CI 2.9-25.4) and major spine surgery involving > 3 levels (p = 0.012; OR 3.0, CI 1.3-7.2) are associated with developing an ileus postoperatively.

Conclusion: Surgeries of the lumbar spine as well as those involving > 3 levels are associated with developing a postoperative ileus. Further studies are needed to expand on possible risk factors and to better understand the mechanism underlying postoperative ileus in spine surgery patients.

Keywords: complications; lumbar spine surgery; posterior spine surgery; postoperative ileus; spine surgery.

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Conflict of interest statement

Declaration of Conflicting Interests: The author(s) declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article.

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