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Foramen Facet Spinal Classification for Ossification of the Posterior Longitudinal Ligament on Computed Tomography: Closely Related to Clinical Efficacy.
Wang, Shunmin; Yang, Yong; Han, Dan; Guo, Yongfei; Shi, Jiangang; Wang, Yuan; Sun, Jingchuan.
Affiliation
  • Wang S; Department of Orthopedic Surgery, Spine Center, Changzheng Hospital, Second Military Medical University, Shanghai, People's Republic of China.
  • Yang Y; 910 Hospital of China Joint Logistics Support Force, Quanzhou City, Fujian Province, People's Republic of China.
  • Han D; Department of Orthopedics, General Hospital of Western Theater Command, Chengdu, People's Republic of China.
  • Guo Y; Department of Orthopedic Surgery, Spine Center, Changzheng Hospital, Second Military Medical University, Shanghai, People's Republic of China.
  • Shi J; Department of Orthopedic Surgery, Spine Center, Changzheng Hospital, Second Military Medical University, Shanghai, People's Republic of China.
  • Wang Y; Department of Orthopedic Surgery, Spine Center, Changzheng Hospital, Second Military Medical University, Shanghai, People's Republic of China.
  • Sun J; Department of Orthopedic Surgery, Spine Center, Changzheng Hospital, Second Military Medical University, Shanghai, People's Republic of China.
Clin Spine Surg ; 37(5): E162-E169, 2024 Jun 01.
Article in En | MEDLINE | ID: mdl-38679813
ABSTRACT
STUDY

DESIGN:

Retrospective study.

OBJECTIVE:

To develop and validate computed tomography (CT)-based classification schemes to eliminate ambiguity as much as possible and evaluate the adequacy and clinical value of its classification.

BACKGROUND:

There is no objective criteria for laminoplasty of more than one million Chinese patients with ossification of the posterior longitudinal ligament (OPLL) every year. CT imaging can accurately show the location, size, and shape of ossification, it is very important to propose a recognized simple classification of ossifications. PATIENTS AND

METHODS:

From 2016 to 2018, 100 patients with "moderate to severe" OPLL on CT were performed according to the following criteria. This study simply classifies the grade of the ossification as 1-2-3, the zone is A-B by the foramen facet spinal canal classification, and the interexaminer reliability is 96%. A prospective series of 60 patients for laminoplasty was performed between 2018 and 2019, and this classification scheme was verified according to the new standard. All patients with size 1 were selectively excluded from consideration for surgery. The Japanese Orthopedic Association scores from both series are superior to most published results for patients with OPLL.

RESULTS:

The first and second series reported good to excellent results of 89% and 93.3%, respectively, and 80% and 85% for 24 months. The difference in the incidence of C5 paralysis and axial pain was statistically significant among the different zones, and most of them recovered within 6 months. The most common size and location types are 2-AB, 3-AB, and 2A. The most severe type is 3-AB.

CONCLUSIONS:

The foramen facet spinal classification of OPLL is a simple and reliable method for objectively evaluating the ossification of patients with OPLL based on CT research. LEVEL OF EVIDENCE Level III.
Subject(s)

Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: Tomography, X-Ray Computed / Ossification of Posterior Longitudinal Ligament Limits: Adult / Aged / Female / Humans / Male / Middle aged Language: En Journal: Clin Spine Surg / Clin. spine surg. (Online) / Clinical spine surgery (Online) Year: 2024 Document type: Article

Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: Tomography, X-Ray Computed / Ossification of Posterior Longitudinal Ligament Limits: Adult / Aged / Female / Humans / Male / Middle aged Language: En Journal: Clin Spine Surg / Clin. spine surg. (Online) / Clinical spine surgery (Online) Year: 2024 Document type: Article