Demographics and Distal Tibial Dimensions of Suitable Distal Tibial Allografts for Glenoid Reconstruction

Authors:

Stephen A Parada, Matthew S Griffith, K Aaron Shaw, Brian R Waterman, Josef K Eichinger, Xinning Li, Matthew T Provencher

Abstract:

Purpose: To evaluate whether characteristics such as age, height, weight, sex, or body mass index affected the distal tibial dimensions and radius of curvature (ROC) of a potential donor for anterior glenoid augmentation.

Methods: A retrospective review of magnetic resonance imaging of ankles without bony trauma was performed, and the anteroposterior (AP) and medial-lateral (ML) distances and ROC of the tibial plafond articular surface were measured. Demographic characteristics, including age, sex, height, weight, and body mass index, were recorded.

Results: A total of 141 imaging studies were included (73 men and 68 women; average age, 38.2 ± 12.65 years). All potential specimens accommodated harvest of a 10 × 22-mm distal tibial allograft bone block. Men had greater ML (42.74 cm [95% confidence interval (CI), 42.09-43.39 cm] vs 38.01 cm [95% CI, 37.30-38.72 cm]; P < .001) and AP (38.16 cm [95% CI, 37.47-38.85 cm] vs 34.57 cm [95% CI, 33.97-35.17 cm]; P < .001) dimensions. Significant moderately positive correlations were found for AP dimensions with height (r = 0.584, P < .001) and weight (r = 0.383, P < .001) and for ML dimensions with height (r = 0.711, P < .001) and weight (r = 0.467, P < .001). ROC was positively correlated with height (r = 0.509, P < .001) and weight (r = 0.294, P < .001). Patient age was not related to either the AP or ML distal tibial dimensions or ROC.

Conclusions: After magnetic resonance imaging analysis, all potential donors permitted harvest of a standard-sized distal tibial allograft irrespective of sex or common anthropometric measures, and 85.8% showed distal tibial morphology acceptable for glenoid augmentation. AP and ML graft dimensions and ROC correlated significantly with height and weight.

Level of evidence: Level II, diagnostic study.

For the complete study: Demographics and Distal Tibial Dimensions of Suitable Distal Tibial Allografts for Glenoid Reconstruction

Matthew Provencher, MD

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66 reviews

James Wilson

Oct 11, 2024

by James Wilson on Matthew Provencher, MD

Senior Electronics development engineer

Wow the Steadman clinic and Doctor Matthew Provencher now that;s a super combination of expertise, experience, empathy, skill and a cherry picked staff with truly outstanding nurses and professional support staff. I was scared of shoulder surgery until I read Dr. Provencher BIO and talked to him. If your considering shoulder replacement surgery this is the place. In three weeks out now and people are amazed at my ability of movement and flexibility I have now. I love the Steadman Clinic and Dr. Matthew Provencher, He's Superman

Anne Miller

Jun 18, 2024

by Anne Miller on Matthew Provencher, MD

Grateful to Dr Provencher and his team

I am a 75-year old, active, athletic woman. Over the last few years, both of my shoulders reached a point where severe arthritis was affecting even day to day tasks. It started with one shoulder in 2021 and recently the second reverse shoulder replacement – both with Dr Provencher. Before my first one, I had received various recommendations including adjusting my lifestyle. Dr Provencher looked at my MRI and x-ray and asked what I enjoy doing and was quick to let me know I could be back to my active lifestyle soon – and he was right. He reads images faster and more accurately than any doctor I have consulted. He has many options available and if you need surgery he is the one to do it. Surgery is quick and the recovery is much easier than I anticipated. I am 10 days out from my second reverse shoulder and have no pain and gaining mobility already! My case for both shoulders was a bit more complicated due to bone integrity, severe arthritis and bicep tears. Dr Provencher has dealt innovatively with both complications and makes it seem straightforward although I know it was not. He is not only one an extraordinary surgeon, but also, a caring human being who takes the time with his patients and makes himself available if questions arise. His team is second to none – Maddy, Madison, Sam, Scott, Jasmin and in pre-op, Layla and Kevin – in terms of commitment, competence, compassion and responsiveness. Both times I have felt cared for and that resolving my situation mattered to him. Wherever you live, Dr Provencher and his team are the ones to trust. There is no need to live a compromised life!

Gene reiling

Jul 21, 2023

by Gene reiling on Matthew Provencher, MD

Success

If you are planning to see Dr Provencher ,do not hesitate ,do it. In 2018 Dr Provencher replaced my LCL. I had no complications and very little pain. I did my physical therapy as prescribed. I was able to ski 30 plus days the winter of 2019-2020. Before seeing dr Provencher I had spent a years time trying to solve my problem locally. I saw a pain specialist, orthopedic urgent care and a orthopedic surgeon. All had access to an mri done locally. It was also read by local radiologist. Pain dr gave injections as did orthopedic urgent care. No relief from pain. Orthopedic surgeon told me about arthritis, meniscus needing cleaning up and general deterioration from age. Told me to take ibuprofen for pain. At that time I reached out to Steadman Clinic. By luck of the draw I was assigned Dr Provencher. I took with me the mri that had been done locally and viewed by 3 local Drs and 1 PA. It took Dr Provencher less than a minute to tell me my problem was my LCL after viewing my mri. He told me my options . I selected surgery as I wanted to continue an active life style. It was a complete success!!

Knee | Shoulder | Joint Preservation | Arthroplasty

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