Department of Radiology, Chinese Academy Medical Sciences and Peking Union Medical College, Peking Union Medical College Hospital, Beijing, China.
Department of Radiology, Beijing Friendship Hospital, Capital Medical University, Beijing, China.
Osteoporos Int. 2024 May;35(5):831-839. doi: 10.1007/s00198-024-07024-5. Epub 2024 Jan 31.
We developed a new tool to assess the severity of osteoporotic vertebral fracture using radiographs of the spine. Our technique can be used in patient care by helping to stratify patients with osteoporotic vertebral fractures into appropriate treatment pathways. It can also be used for research purposes.
The aim of our study was to propose a semi-quantitative (SQ) grading scheme for osteoporotic vertebral fracture (OVF) on anteroposterior (AP) radiographs.
On AP radiographs, the vertebrae are divided into right and left halves, which are graded (A) vertical rectangle, (B) square, (C) traverse rectangle, and (D) trapezoid; whole vertebrae are graded (E) transverse band or (F) bow-tie. Type A and B were compared with normal and Genant SQ grade 1 OVF, Type C and D with grade 2 OVF, and Type E and F with grade 3 OVF. Spine AP radiographs and lateral radiographs of 50 females were assessed by AP radiographs SQ grading. After training, an experienced board-certified radiologist and a radiology trainee assessed the 50 AP radiographs.
The height-to-width ratio of the half vertebrae varied 1.32-1.48. On lateral radiographs, 84 vertebrae of the 50 patients had OVFs (38 grade 1, 24 grade 2, and 22 grade 3). On AP radiographs, the radiologist correctly assigned 84.2%, 91.7%, and 77.2% and the trainee correctly assigned 68.4%, 79.2%, and 81.8% of grade 1, 2, and 3 OVFs, respectively. Compared with lateral radiographs, the radiologist had a weighted Kappa of 0.944 including normal vertebrae and 0.883 not including normal vertebrae, while the corresponding Kappa values for the trainee were 0.891 and 0.830, respectively.
We propose a new semi-quantitative grading system for vertebral fracture severity assessment on AP spine radiographs.
我们开发了一种新的工具，用于通过评估脊柱的 X 光片来评估骨质疏松性椎体骨折的严重程度。我们的技术可以通过帮助将骨质疏松性椎体骨折患者分层到适当的治疗途径中，从而用于患者护理。它也可以用于研究目的。
我们研究的目的是提出一种用于评估骨质疏松性椎体骨折（OVF）的半定量（SQ）分级方案。
在 X 光片上，将椎体分为左右两半，分别进行（A）垂直矩形，（B）正方形，（C）横矩形和（D）梯形；整个椎体进行（E）横向带或（F）蝴蝶结分级。A 型和 B 型与正常和 Genant SQ 1 级 OVF 进行比较，C 型和 D 型与 2 级 OVF 进行比较，E 型和 F 型与 3 级 OVF 进行比较。50 名女性的脊柱 X 光片和侧位 X 光片通过 X 光片 SQ 分级进行评估。经过培训后，一名经验丰富的放射科认证医师和一名放射科受训者评估了 50 张 X 光片。
半椎体的高宽比为 1.32-1.48。在侧位 X 光片上，50 名患者中有 84 个椎体存在 OVF（38 个 1 级，24 个 2 级，22 个 3 级）。在 X 光片上，放射科医生正确分配了 84.2%、91.7%和 77.2%的 1 级、2 级和 3 级 OVF，而受训者则正确分配了 68.4%、79.2%和 81.8%。与侧位 X 光片相比，放射科医生的加权 Kappa 值为 0.944（包括正常椎体）和 0.883（不包括正常椎体），而受训者的相应 Kappa 值分别为 0.891 和 0.830。
我们提出了一种新的用于评估脊柱 X 光片上椎体骨折严重程度的半定量分级系统。
