Incidence and Risk Factors of Acute Pancreatitis After Scoliosis Surgery: A Prospective Study

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Abstract

Study Design.

A prospective study.

Objective.

To investigate the incidence and risk factors of acute pancreatitis after scoliosis surgery.

Summary of Background Data.

Pancreatitis has been recognized as a possible complication of extra-abdominal surgeries. However, there were few reports on the incidence and risk factors of acute pancreatitis after scoliosis surgery.

Methods.

A prospective clinical study was performed at our center from September 2014 to October 2015. One hundred seventy-six patients undergoing posterior spinal correction surgery were enrolled. The diagnosis of acute pancreatitis was based on their clinical manifestations combined with laboratory examination. Demographic, intraoperative, and radiological parameters were evaluated to identify the risk factors of acute pancreatitis after scoliosis surgery.

Results.

Thirteen patients (7.4%) were diagnosed with acute pancreatitis. Compared with patients without pancreatitis, pancreatitis patients had lower body mass index (BMI) (15.5 vs. 19.5, P = 0.001), larger preoperative Cobb angle of major curve (87.5° vs. 59.2°, P < 0.001), lower correction rate (57.4% vs. 69.0%, P = 0.045), lower intraoperative mean arterial pressure (57.9 mmHg vs. 66.1 mmHg, P < 0.001), and longer fusion levels (13.3 vs. 10.1, P < 0.001). No significant differences were noted with respect to operation time, intraoperative blood loss, or the amount of sagittal profile correction. Furthermore, multivariate logistic analysis revealed that BMI (odds ratio [OR] = 1.542, P = 0.009), lowest intraoperative mean arterial pressure (OR = 1.126, P = 0.039), and segments of fusion (OR = 0.551, P = 0.025) were independent risk factors for postoperative acute pancreatitis. All cases were treated with bowel rest, intravenous fluids, and fasting and completely recovered with 3.3 (2–5) days.

Conclusion.

The incidence of postoperative acute pancreatitis after scoliosis surgery was 7.4%. The low BMI, lowest intraoperative mean arterial pressure, and long segments of fusion were independent risk factors for acute pancreatitis after scoliosis surgery.

Conclusion.

Level of Evidence: 3

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