Clinical Characteristics of Patients with Ossification of the Posterior Longitudinal Ligament and a High OP Index: A Multicenter Cross-Sectional Study (JOSL Study).
Takashi HiraiToshitaka YoshiiJun HashimotoShuta UshioKanji MoriSatoshi MakiKeiichi KatsumiNarihito NagoshiKazuhiro TakeuchiTakeo FuruyaKei WatanabeNorihiro NishidaSoraya NishimuraKota WatanabeTakashi KaitoSatoshi KatoKatsuya NagashimaMasao KodaHiroaki NakashimaShiro ImagamaKazuma MurataYuji MatsuokaKanichiro WadaAtsushi KimuraTetsuro OhbaHiroyuki KatohMasahiko WatanabeYukihiro MatsuyamaHiroshi OzawaHirotaka HaroKatsushi TakeshitaMorio MatsumotoMasaya NakamuraSatoru EgawaYu MatsukuraHiroyuki InoseAtsushi OkawaMasashi YamazakiYoshiharu KawaguchiPublished in: Journal of clinical medicine (2022)
This prospective cohort registry study is the first to demonstrate the clinical and radiologic features of patients with OPLL and a high OP index. In this study, patients with a high OP index had poorer physical function in the lumbar spine and lower extremities and were also predisposed to extreme ossification of spinal ligaments other than the OPLL.
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