Pedicle Subtraction Osteotomy | Zendy

Munish C. Gupta | Zendy; Sachin Gupta | Zendy; Michael P. Kelly | Zendy; Keith H. Bridwell | Zendy

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Pedicle Subtraction Osteotomy

Author(s) -

Munish C. Gupta,

Sachin Gupta,

Michael P. Kelly,

Keith H. Bridwell

Publication year - 2020

Publication title -

jbjs essential surgical techniques

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.686

H-Index - 7

ISSN - 2160-2204

DOI - 10.2106/jbjs.st.19.00028

Subject(s) - medicine , osteotomy , sagittal plane , surgery , subtraction , fixation (population genetics) , orthodontics , anatomy , mathematics , arithmetic , population , environmental health

Pedicle subtraction osteotomy (PSO) was originally performed in cases of ankylosing spondylitis. This procedure was invented because it was safer than trying to lengthen the anterior column via osteoclasis, which risked vascular injury and death 1-4 . PSO involves the removal of the posterior elements and the use of a vertebral body wedge to shorten the spine posteriorly and achieve sagittal-plane correction 5,6 . PSO has been used to correct sagittal-plane deformities not only in patients with ankylosing spondylitis but also in those with degenerative conditions or those who have previously undergone surgical procedures resulting in a loss of lumbar lordosis 7,8 .

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