Median Arcuate Ligament and Origin of the Celiac Artery Proximity Change in Patients after Surgery to Correct Adult Spinal Deformity: Potential Risk Factors for Acute Celiac Artery Compression Syndrome.
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Abstract
Introduction: This study aimed to determine whether the proximity of the median arcuate ligament (MAL) and the celiac artery (CA) changes in patients following surgery to correct adult spinal deformity (ASD). We hypothesized that the distance between the MAL and the CA shortens after corrective spinal surgery, which may cause acute celiac artery compression syndrome (ACACS).
Methods: A total of 89 patients (68.4±7.6 years; 7 men/82 women) with ASD treated with spinal correction surgery were included in the present retrospective study. The level of the MAL, CA, and distance between the MAL and the CA (DMC) were determined via reconstructed computed tomography. MAL overlap was determined preoperatively and postoperatively.
Results: The MAL and CA moved caudally following surgery. On average, after surgery, no changes in DMC were observed. We found preoperative MAL overlap in 32 (36%) patients, who also had postoperative MAL overlap. No patients showed any MAL overlap postoperatively.
Conclusions: Contrary to our hypothesis, the distance between the MAL and the CA did not shorten, and emerging MAL overlap was not observed postoperatively.
简介：本研究旨在确定成人脊柱畸形（ASD）矫正手术后患者的正中弓形韧带（MAL）和腹腔动脉（CA）之间的距离是否会发生变化。我们假设，脊柱矫正手术后，正中弓形韧带与腹腔动脉之间的距离会缩短，这可能会导致急性腹腔动脉压迫综合征（ACACS）：本回顾性研究共纳入了89例接受脊柱矫正手术治疗的ASD患者（68.4±7.6岁；男性7例/女性82例）。通过重建计算机断层扫描确定了MAL、CA的水平以及MAL与CA之间的距离（DMC）。术前和术后均测定了MAL重叠度：结果：手术后，MAL和CA向尾部移动。平均而言，术后 DMC 没有变化。我们发现 32 例（36%）患者术前有 MAL 重叠，术后也有 MAL 重叠。没有患者在术后出现任何 MAL 重叠：与我们的假设相反，MAL 和 CA 之间的距离并没有缩短，术后也没有观察到新出现的 MAL 重叠。
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