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Relationship between the atlantodental interval and T1 slope after atlantoaxial fusion in patients with rheumatoid arthritis.
Ha, Byeong Jin; Won, Yu Deok; Ryu, Je Il; Han, Myung-Hoon; Cheong, Jin Hwan; Kim, Jae Min; Chun, Hyoung-Joon; Bak, Koang-Hum; Bae, In-Suk.
Afiliação
  • Ha BJ; Department of Neurosurgery, Hanyang University Guri Hospital, 153 Gyeongchun-ro, Guri, Gyeonggi-do, 11923, Republic of Korea.
  • Won YD; Department of Neurosurgery, Hanyang University Guri Hospital, 153 Gyeongchun-ro, Guri, Gyeonggi-do, 11923, Republic of Korea.
  • Ryu JI; Department of Neurosurgery, Hanyang University Guri Hospital, 153 Gyeongchun-ro, Guri, Gyeonggi-do, 11923, Republic of Korea. ryujeil@hanyang.ac.kr.
  • Han MH; Department of Neurosurgery, Hanyang University Guri Hospital, 153 Gyeongchun-ro, Guri, Gyeonggi-do, 11923, Republic of Korea.
  • Cheong JH; Department of Neurosurgery, Hanyang University Guri Hospital, 153 Gyeongchun-ro, Guri, Gyeonggi-do, 11923, Republic of Korea.
  • Kim JM; Department of Neurosurgery, Hanyang University Guri Hospital, 153 Gyeongchun-ro, Guri, Gyeonggi-do, 11923, Republic of Korea.
  • Chun HJ; Department of Neurosurgery, Hanyang University Medical Center, 222-1 Wangsimni-ro, Seongdong-gu, Seoul, 04763, Republic of Korea.
  • Bak KH; Department of Neurosurgery, Hanyang University Medical Center, 222-1 Wangsimni-ro, Seongdong-gu, Seoul, 04763, Republic of Korea.
  • Bae IS; Department of Neurosurgery, Eulji University Eulji Hospital, 68, Hangeulbiseok-ro, Nowon-gu, Seoul, 01830, Republic of Korea.
BMC Surg ; 20(1): 269, 2020 Nov 04.
Article em En | MEDLINE | ID: mdl-33148220
ABSTRACT

BACKGROUND:

Atlantoaxial fusion has been widely used for the treatment of atlantoaxial instability (AAI). However, atlantoaxial fusion sacrifices the motion of atlantoaxial articulation, and postoperative loss of cervical lordosis and aggravation of cervical kyphosis are observed. We investigated various factors under the hypothesis that the atlantodental interval (ADI) and T1 slope may be associated with sagittal alignment after atlantoaxial fusion in patients with rheumatoid arthritis (RA).

METHODS:

We retrospectively investigated 64 patients with RA who underwent atlantoaxial fusion due to AAI. Radiological factors, including the ADI, T1 slope, Oc-C2 angle, cervical sagittal vertical axis, and C2-C7 angle, were measured before and after surgery.

RESULTS:

The various factors associated with atlantoaxial fusion before and after surgery were compared according to the upper and lower preoperative ADIs. There was a significant difference in the T1 slope 1 year after surgery (p = 0.044) among the patients with lower preoperative ADI values. The multivariate logistic regression analysis showed that the preoperative ADI (> 7.92 mm) defined in the receiver-operating characteristic curve analysis was an independent predictive factor for the increase in the T1 slope 1 year after atlantoaxial fusion (odds ratio, 4.59; 95% confidence interval, 1.34-15.73; p = 0.015).

CONCLUSION:

We found an association between the preoperative ADI and difference in the T1 slope after atlantoaxial fusion in the patients with RA. A preoperative ADI (> 7.92 mm) was an independent predictor for the increase in the T1 slope after atlantoaxial fusion. Therefore, performing surgical treatment when the ADI is low would lead to better cervical sagittal alignment.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Artrite Reumatoide / Articulação Atlantoaxial / Fusão Vertebral / Vértebras Torácicas / Vértebras Cervicais / Cifose Tipo de estudo: Etiology_studies / Observational_studies / Prognostic_studies / Risk_factors_studies Limite: Female / Humans / Male Idioma: En Ano de publicação: 2020 Tipo de documento: Article

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Artrite Reumatoide / Articulação Atlantoaxial / Fusão Vertebral / Vértebras Torácicas / Vértebras Cervicais / Cifose Tipo de estudo: Etiology_studies / Observational_studies / Prognostic_studies / Risk_factors_studies Limite: Female / Humans / Male Idioma: En Ano de publicação: 2020 Tipo de documento: Article