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논문 기본 정보

자료유형
학술저널
저자정보
Hiroaki Nakashima (Orthopedic Surgery Konan Kosei Hospital Konan Japan) Tokumi Kanemura (Department of Orthopaedic Surgery Konan Kosei Hospital Konan Japan) Kotaro Satake (Department of Orthopaedic Surgery Konan Kosei Hospital Konan Japan) Yoshimoto Ishikawa (Orthopedic Surgery Konan Kosei Hospital Konan Japan) Jun Ouchida (Department of Orthopaedic Surgery Konan Kosei Hospital Konan Japan) Naoki Segi (Department of Orthopaedic Surgery Konan Kosei Hospital Konan Japan) Hidetoshi Yamaguchi (Department of Orthopaedic Surgery Konan Kosei Hospital Konan Japan) Shiro Imagama (Nagoya University Graduate School of Medicine Nagoya Japan)
저널정보
대한척추외과학회 Asian Spine Journal Asian Spine Journal Vol.13 No.3
발행연도
2019.1
수록면
395 - 402 (8page)

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Study Design: Retrospective case–control study. Purpose: To compare surgical invasiveness and radiological outcomes between posterior lumbar interbody fusion (PLIF) and lateral lumbar interbody fusion (LLIF) for degenerative lumbar kyphosis. Overview of Literature: LLIF is a minimally invasive interbody fusion technique; however, few reports compared the clinical outcomes of conventional PLIF and LLIF for degenerative lumbar kyphosis. Methods: Radiographic data for patients who have undergone lumbar interbody fusion (≥3 levels) using PLIF or LLIF for degenerative lumbar kyphosis (lumbar lordosis [LL] <20°) were retrospectively examined. The following radiographic parameters were retrospectively evaluated preoperatively and 2 years postoperatively: segmental lordotic angle, LL, pelvic tilt (PT), pelvic incidence (PI), C7 sagittal vertical axis, and T1 pelvic angle. Results: Nineteen consecutive cases with PLIF and 27 cases with LLIF were included. There were no significant differences in patients’ backgrounds or preoperative radiographic parameters between the PLIF and the LLIF groups. The mean fusion level was 5.5±2.5 levels and 5.8±2.5 levels in the PLIF and LLIF groups, respectively (p=0.69). Although there was no significant difference in surgical times (p=0.58), the estimated blood loss was significantly greater in the PLIF group (p<0.001). Two years postoperatively, comparing the PLIF and LLIF groups, the segmental lordotic angle achieved (7.4°±7.6° and 10.6°±9.4°, respectively; p=0.03), LL (27.8°±13.9° and 39.2°±12.7°, respectively; p=0.006), PI–LL (19.8°±14.8° and 3.1°±17.5°, respectively; p=0.002), and PT (22.6°±7.1° and 14.2°±13.9°, respectively; p=0.02) were significantly better in the LLIF group. Conclusions: LLIF provided significantly better sagittal alignment restoration in the context of degenerative lumbar kyphosis, with less blood loss.

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