Skip to main content

Letter to the Editor Re: “State of the art: proximal junctional kyphosis—diagnosis, management and prevention”

The Original Article was published on 15 January 2021

This is a preview of subscription content, access via your institution.

Availability of data and material

Not applicable.

Code availability

Not applicable.


  1. Sardar ZM, Kim Y, Lafage V et al (2021) State of the art: proximal junctional kyphosis-diagnosis, management and prevention. Spine Deform 9(3):635–644. (Epub 2021 Jan 15 PMID: 33452631)

    Article  PubMed  Google Scholar 

  2. Hyun SJ, Kim YJ, Rhim SC (2016) Patients with proximal junctional kyphosis after stopping at thoracolumbar junction have lower muscularity, fatty degeneration at the thoracolumbar area. Spine J 16(9):1095–1101. (Epub 2016 May 20 PMID: 27217332)

    Article  PubMed  Google Scholar 

  3. Kim DK, Kim JY, Kim DY et al (2017) Risk factors of proximal junctional kyphosis after multilevel fusion surgery: more than 2 years follow-up data. J Korean Neurosurg Soc 60(2):174–180. (Epub 2017 Mar 1. PMID: 28264237; PMCID: PMC5365283)

    Article  PubMed  PubMed Central  Google Scholar 

  4. Jeon WK, Cho CH, Kim HC et al (2021) Proximal junctional kyphosis according to the type of lumbar degenerative kyphosis following lumbosacral long fusion. Spine (Phila Pa 1976) 46(4):232–240. (PMID: 33475278)

    Article  Google Scholar 

  5. Pennington Z, Cottrill E, Ahmed AK et al (2019) Paraspinal muscle size as an independent risk factor for proximal junctional kyphosis in patients undergoing thoracolumbar fusion. J Neurosurg Spine 31(3):380–388. (PMID: 31151107)

    Article  PubMed  Google Scholar 

  6. Yuan L, Zeng Y, Chen Z et al (2021) Degenerative lumbar scoliosis patients with proximal junctional kyphosis have lower muscularity, fatty degeneration at the lumbar area. Eur Spine J 30(5):1133–1143. (Epub 2020 Nov 19 PMID: 33210198)

    Article  PubMed  Google Scholar 

Download references


Not applicable.

Author information

Authors and Affiliations



PBH, ARS, SRW, JO, and BS: substantial contributions to conception and design, drafted or revised submission, approved final version, and agree to be accountable.

Corresponding author

Correspondence to Bahar Shahidi.

Ethics declarations

Conflict of interest

The authors declare that they have no conflict of interest.

Ethics approval

Not applicable.

Consent to participate

Not applicable.

Consent for publication

Not applicable.

Additional information

Publisher's Note

Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.

Rights and permissions

Reprints and Permissions

About this article

Verify currency and authenticity via CrossMark

Cite this article

Haldeman, P.B., Swan, A.R., Ward, S.R. et al. Letter to the Editor Re: “State of the art: proximal junctional kyphosis—diagnosis, management and prevention”. Spine Deform 10, 969–970 (2022).

Download citation

  • Received:

  • Accepted:

  • Published:

  • Issue Date:

  • DOI:


  • Proximal junctional kyphosis
  • Paraspinal muscle
  • Risk factor
  • Soft tissue