Letter to the Editor: Study of Patients with Bilateral Knee Osteoarthritis Undergoing Total Knee Replacement Procedure with Coexisting Lumbar Spondylosis Symptoms

Mohak Kataria; Vishal Kumar; Sarvdeep Singh Dhatt

doi:10.31616/asj.2022.0087.r1

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Kataria, Kumar, and Dhatt: Letter to the Editor: Study of Patients with Bilateral Knee Osteoarthritis Undergoing Total Knee Replacement Procedure with Coexisting Lumbar Spondylosis Symptoms

Letter to the Editor

Asian Spine Journal 2022;16(2):303.

Online first: April 25, 2022

DOI: https://doi.org/10.31616/asj.2022.0087.r1

Letter to the Editor: Study of Patients with Bilateral Knee Osteoarthritis Undergoing Total Knee Replacement Procedure with Coexisting Lumbar Spondylosis Symptoms

Mohak Kataria, Vishal Kumar, Sarvdeep Singh Dhatt

Department of Orthopaedics, Postgraduate Institute of Medical Education and Research, Chandigarh, India

Corresponding Author: Vishal Kumar Department of Orthopaedics, Postgraduate Institute of Medical Education and Research, Madhya Marg, Sector 12 Chandigarh, 160012, India
Tel: +91-9914208789, Fax: +91-172-2756740, E-mail: kumar.vishal@pgimer.edu.in

Received February 28, 2022 Accepted March 11, 2022

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

See the reply "Response to: Study of Patients with Bilateral Knee Osteoarthritis Undergoing Total Knee Replacement Procedure with Coexisting Lumbar Spondylosis Symptoms" on page 304.

See the article "Study of Patients with Bilateral Knee Osteoarthritis Undergoing Total Knee Replacement Procedure with Coexisting Lumbar Spondylosis Symptoms" on page 825.

Dear Editor,

We have read the article by Londhe et al. [1] entitled “Study of patients with bilateral knee osteoarthritis undergoing total knee replacement procedure with coexisting lumbar spondylosis symptoms” with great interest and congratulate the authors for this thought-provoking topic; however, there are a few queries that need to be addressed:

1. How did you prevent the possible confounding of the Oswestry Disability Index (ODI) by knee osteoarthritis pain [2]?
2. ODI was moderate to severe preoperatively in all patients, then why was spine not addressed first? How did the ODI decrease after total knee replacement?
3. Was any correlation between ODI and Oxford Knee Score checked?
4. How was the possible selection bias towards advanced osteoarthritis as compared to lumbar spine degeneration addressed in the study?
5. Is it possible that the incidental finding of lumbar degeneration lead to better scrutiny and treatment of spine symptoms in these patients [3]?

Conflict of Interest

No potential conflict of interest relevant to this article was reported.

References

1. Londhe SB, Shah RV, Patwardhan M, et al. Study of patients with bilateral knee osteoarthritis undergoing total knee replacement procedure with coexisting lumbar spondylosis symptoms. Asian Spine J 2021 15:825–30.

2. Fairbank JC, Pynsent PB. The Oswestry Disability Index. Spine (Phila Pa 1976) 2000 25:2940–52.

3. Chang CB, Park KW, Kang YG, Kim TK. Coexisting lumbar spondylosis in patients undergoing TKA: how common and how serious? Clin Orthop Relat Res 2014 472:710–7.

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