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Anterolateral and Posterior versus Posterior-Only Approaches for the Correction of Degenerative Adult Spinal Deformity

  • Journal of Korean Society of Spine Surgery
  • Abbr : J Kor Spine Sur
  • 2020, 27(1), pp.9-18
  • Publisher : Korean Society Of Spine Surgery
  • Research Area : Medicine and Pharmacy > Orthopedic Surgery
  • Received : August 19, 2019
  • Accepted : March 9, 2020
  • Published : March 31, 2020

Se-Jun Park ORD ID 1,  LEE， CHONG SUH ORD ID 2,  Tae-Hoon Yum 3,  Yunjin Nam 4,  Jin-Sung Park 4

1삼성서울병원
2성균관대학교
3삼성서울병원 정형외과
4성균관대학교 의과대학 삼성서울병원 정형외과교실

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ABSTRACT

Study Design: A case-control study. Objectives: This study was conducted to demonstrate the reliability of mini-open anterior lumbar interbody fusion (ALIF) combined with lateral lumbar interbody fusion (LLIF) followed by 2-stage posterior fixation in patients with adult spinal deformity (ASD). Summary of Literature Review: Although the correction of ASD using LLIF has become more widespread, the amount of sagittal plane correction has been reported to be suboptimal. Materials and Method: Thirty ASD patients who underwent ALIF with LLIF followed by 2-stage posterior fixation (AP group) were compared to 60 patients who underwent posterior-only surgery (PO group) and were matched according to age, sex, diagnosis, fusion level, pelvic incidence, and follow-up duration. Spinopelvic parameters, hospitalization data, clinical outcomes, and complications were compared between the 2 groups. Results: Postoperative lumbar lordosis was greater in the AP group than in the PO group (p<0.001). The reduction in the sagittal vertical axis was also greater in the AP group than in the PO group (p=0.005). Postoperatively, 90.0% of the AP group had a pelvic incidence–lumbar lordosis value within 9°, whereas only 50.0% of the PO group met that criterion (p<0.001). The operation time of the AP group was longer than that of the PO group, while estimated blood loss and red cell transfusion were lower in the AP group. Postoperative medical complications and delayed surgical complications developed more frequently in the PO group. Conclusions: Mini-open ALIF with LLIF followed by 2-stage posterior fixation can restore sagittal balance more appropriately, with a lower rate of complications, than posterior-only surgery for the correction of ASD.

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