Influence of posterior tibial slope on postoperative outcomes after postero-stabilized and condylar-stabilized total knee arthroplasty.

Condylar-stabilized Posterior tibial slope Postero-stabilized Total knee arthroplasty

Journal

Musculoskeletal surgery
ISSN: 2035-5114
Titre abrégé: Musculoskelet Surg
Pays: Italy
ID NLM: 101498346

Informations de publication

Date de publication:
Dec 2023
Historique:
received: 21 01 2022
accepted: 04 11 2022
pubmed: 13 11 2022
medline: 13 11 2022
entrez: 12 11 2022
Statut: ppublish

Résumé

To compare clinical outcomes and surgical times of two different types of total knee arthroplasty(TKA), postero-stabilized(PS) and condylar-stabilized(CS), in relation to posterior tibial slope(PTS) values and the deviation of these values from the surgical technique. 168 patients undergoing TKA surgery between 2016 and 2020 met our inclusion criteria. For each case, gender, age at surgery, operating time, type of implant and preoperative PTS(preop-PTS) and postoperative PTS(postop-PTS) measurements were collected; difference(∆PTS) between preop-PTS and postop-PTS was also calculated. Short Form 12 Mental and Physical scores(SF-12 M and P) and functional Knee Society Score(fKSS) were collected preoperatively and at a minimum of 12 months postoperatively. Four subgroups were thus created in relation to PS or CS system and postop-PTS value(≤ 5°and > 5°). Of the 168 patients, 96 had a PS system and 72 CS system. Performing a CS-TKA took less time than a PS-TKA(p < 0.05). SF-12P showed better results(p < 0.05) in CS-TKA group than PS-TKA, probably because of the younger age of CS-TKA patients(p < 0.05). In the PS > 5° all examined postoperative scores were better(p < 0.05) than PS ≤ 5°, while only fKSS was better(p < 0.05) in CS > 5° than CS ≤ 5°. No significant difference(p > 0.05) in terms of postoperative outcomes between the PS > 5° and CS > 5° was noted, whereas only SF-12P was better in the CS ≤ 5° compared with PS ≤ 5°. Highest values of SF-12 M and fKSS were obtained in the PS ≤ 5°, in which postop-PTS was closer to technique. When performing a PS-TKA, the best result was obtained with a postop-PTS > 5°, but comparable outcomes between the two systems were evident with postop-PTS > 5°. It is crucial to come as close as possible to the indications reported in surgical technique regardless ∆PTS.

Identifiants

DOI: 10.1007/s12306-022-00768-5 PMID: 36370251
pubmed: 36370251
doi: 10.1007/s12306-022-00768-5
pii: 10.1007/s12306-022-00768-5
doi:

Types de publication

Journal Article

Langues

eng

Sous-ensembles de citation

IM

Pagination

385-390

Informations de copyright

© 2022. The Author(s), under exclusive licence to Istituto Ortopedico Rizzoli.

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Auteurs

E Sinno (E)

Orthopaedic and Traumatology Department, S. Spirito Hospital, Lungotevere in Sassia 1, 00193, Rome, Italy. enniosinno@gmail.com.

G Panegrossi (G)

Orthopaedic and Traumatology Department, S. Spirito Hospital, Lungotevere in Sassia 1, 00193, Rome, Italy.

G Rovere (G)

Orthopaedic and Traumatology Department, S. Spirito Hospital, Lungotevere in Sassia 1, 00193, Rome, Italy.
Department of Orthopaedics and Traumatology, Fondazione Policlinico Universitario A. Gemelli IRCCS-Università Cattolica del Sacro Cuore, Rome, Italy.

A U Cavallo (AU)

Department of Biomedicine and Prevention, University "Tor Vergata", Rome, Italy.
Division of Radiology, San Carlo Di Nancy Hospital", GVM Care and Research, Rome, Italy.

F Falez (F)

Department of Orthopaedics and Traumatology, S. Filippo Neri Hospital, ASL Roma 1 Martinotti 20, 00135, Rome, Via G, Italy.

Classifications MeSH