13 September 2025 : Clinical Research
Long-Term Spinopelvic Alignment Following Unilateral Laminotomy with Bilateral Decompression for Lumbar Spinal Stenosis: A Retrospective Analysis Using Surgimap Digital X-Ray Imaging
Suna Dilbaz ABDEF 1, Akın Öztürk CD 1, Muhammed Said Onar BF 1, Lokman Ayhan DF 1, Engin Can
BDF 1, Abdurrahim Tekin BCE 1, Evren Sönmez BDF 1, Nuri Serdar Baş AE 1, Serdar Çevik ACEF 1*
DOI: 10.12659/MSM.948907
Med Sci Monit 2025; 31:e948907
Table 2 Comparison of preoperative and 5-year (5Y) postoperative follow-up (FU) sagittal balance parameters in single-level and multi-level lumbar spinal stenosis (LSS).
| 1-Level LSS | 2,3-Level LSS | P value | ||||||
|---|---|---|---|---|---|---|---|---|
| Preop | 5Y FU | Preop | 5Y FU | Preop 1-Level vs 2,3-Level | 5Y FU 1-Level vs 2,3-Level | 1-Level preop vs 5Y FU | 1.3-Level preop vs 5Y FU | |
| PT | 23.58±5.09 | 22.63±5.06 | 23.40±5.94 | 22.85±4.42 | 0.873 | 0.825 | 0.363 | 0.628 |
| SS | 29.59±7.41 | 29.33±6.84 | 28.96±6.58 | 29.98±6.44 | 0.579 | 0.815 | 0.865 | 0.513 |
| PI | 53.17±8.88 | 51.96±8.30 | 52.36±8.3 | 52.83±7.29 | 0.577 | 0.609 | 0.427 | 0.784 |
| LL | 36.91±9.91 | 37.49±9.67 | 33.58±9.77 | 37.40±9.26 | 0.109 | 0.962 | 0.772 | 0.065 |
| COBB angle | 3.60±2.12 | 3.89±2.24 | 4.22±2.28 | 4.8±2.82 | 0.182 | 0.127 | 0.527 | 0.439 |
| PI-LL mismatch | 16.26±11.2 | 14.47±12.28 | 18.78±10.52 | 15.44±10.5 | 0.321 | 0.688 | 0.417 | 0.14 |
| 5 Y – 5-year; LSS – lumbar spinal stenosis; PT – pelvic tilt; SS – sacral slope; PI – pelvic incidence; LL – lumbar lordosis; FU – follow-up. | ||||||||