The Dynamic Effect of Anterior Cruciate Ligament Deficiency on Patellar Height.
Anterior Cruciate Ligament
Anterior Knee Pain
Anterior Tibial Translation
Patellar Height
Journal
Indian journal of orthopaedics
ISSN: 0019-5413
Titre abrégé: Indian J Orthop
Pays: Switzerland
ID NLM: 0137736
Informations de publication
Date de publication:
Aug 2022
Aug 2022
Historique:
received:
27
12
2021
accepted:
24
03
2022
entrez:
5
8
2022
pubmed:
6
8
2022
medline:
6
8
2022
Statut:
epublish
Résumé
The anterior tibial translation (ATT) in case of Anterior Cruciate Ligament (ACL) tear can lead to dynamic alterations of the extensor apparatus biomechanics. The aim of this study is to evaluate the dynamic effect of isolated ACL deficiency on patellar height. The hypothesis is that the ATT of ACL-insufficient knees dynamically reduces patellar height. Skeletally mature patients who underwent ACL reconstruction using hamstring graft between January and December 2018 were included in this study. The Posterior Tibial Slope (PTS), Caton-Deschamps (CDI), modified Insall-Salvati (MISI), and Blackburne-Peel (BPI) indices were calculated in standard lateral and TELOS X-rays. The mean of the measurements calculated between two observers was used to compare these parameters. 95 patients (M: 57; F: 38; 95 knees) were included in the study with a mean age of 31.8 years (16-56 years old). Significant patellar height reduction (CDI: 0.11 [- 0.32; 0.31]; MISI: 0.09 [- 0.66; 0.30]) was reported in TELOS compared with standard lateral knee radiography ( The abnormal ATT in case of ACL-deficient knees results in a lowering effect of the patella in TELOS X-rays. In patients with ACL tear and anterior pain the reconstructive ligament surgery should be performed to avoid also chronic anterior knee pain. Basic Science Study (Case Series). The decrease in patellar height in stress-X-rays compared with standard lateral knee radiography in ACL deficient knees, should be considered as a possible contributing cause of anterior pain in these patients.
Sections du résumé
Background
UNASSIGNED
The anterior tibial translation (ATT) in case of Anterior Cruciate Ligament (ACL) tear can lead to dynamic alterations of the extensor apparatus biomechanics. The aim of this study is to evaluate the dynamic effect of isolated ACL deficiency on patellar height. The hypothesis is that the ATT of ACL-insufficient knees dynamically reduces patellar height.
Methods
UNASSIGNED
Skeletally mature patients who underwent ACL reconstruction using hamstring graft between January and December 2018 were included in this study. The Posterior Tibial Slope (PTS), Caton-Deschamps (CDI), modified Insall-Salvati (MISI), and Blackburne-Peel (BPI) indices were calculated in standard lateral and TELOS X-rays. The mean of the measurements calculated between two observers was used to compare these parameters.
Results
UNASSIGNED
95 patients (M: 57; F: 38; 95 knees) were included in the study with a mean age of 31.8 years (16-56 years old). Significant patellar height reduction (CDI: 0.11 [- 0.32; 0.31]; MISI: 0.09 [- 0.66; 0.30]) was reported in TELOS compared with standard lateral knee radiography (
Conclusions
UNASSIGNED
The abnormal ATT in case of ACL-deficient knees results in a lowering effect of the patella in TELOS X-rays. In patients with ACL tear and anterior pain the reconstructive ligament surgery should be performed to avoid also chronic anterior knee pain.
Level of evidence
UNASSIGNED
Basic Science Study (Case Series).
Clinical relevance
UNASSIGNED
The decrease in patellar height in stress-X-rays compared with standard lateral knee radiography in ACL deficient knees, should be considered as a possible contributing cause of anterior pain in these patients.
Identifiants
pubmed: 35928660
doi: 10.1007/s43465-022-00632-5
pii: 632
pmc: PMC9283625
doi:
Types de publication
Journal Article
Langues
eng
Pagination
1403-1409Informations de copyright
© Indian Orthopaedics Association 2022.
Déclaration de conflit d'intérêts
Conflict of InterestFL has nothing to disclose. MB has nothing to disclose. CB has nothing to disclose. PSR reports personal fees from Arthrex, personal fees from Depuy (Johnson&Johnson), outside the submitted work. SL reports personal fees from Lepine, personal fees from Depuy (Johnson&Johnson), personal fees from Heraeus, personal fees from Smith & Nephew, personal fees from Stryker, personal fees from Medacta, other from Corin, other from Amplitude, outside the submitted work. ES reports personal fees from Smith & Nephew, grants from Corin, outside the submitted work.
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