Leg-length discrepancy in revision total hip arthroplasty
Notice bibliographique
Résumé
Aims: Leg-length discrepancy (LLD) following total hip arthroplasty (THA) is a source of patient dissatisfaction and morbidity. The objectives of this study were to characterize LLD following revision THA (rTHA) and evaluate the difference in LLD between navigated and non-navigated rTHA. Methods: This retrospective cohort study included 202 patients treated with rTHA performed between 2017 and 2021. An a priori power analysis determined that 101 patients in each group were required. Navigated and non-navigated rTHA were compared with regard to LLD (absolute value), re-revision rate, and patient-reported outcome measures (PROMs). Results: Mean postoperative LLD was 4.3 mm (SD 4.6) in all patients. In navigated rTHA, mean postoperative LLD of 3.7 mm (SD 4.7) was lower than preoperative LLD (7.5 mm (SD 6.1); p < 0.001). In non-navigated rTHA, postoperative LLD of 4.9 mm (SD 4.3) was lower than preoperative LLD (7.8 mm (SD 6.6); p < 0.001). Postoperative LLD was significantly lower in navigated compared with non-navigated rTHA in all patients and in sub-groups with preoperative LLD < 5 mm (1.7 mm vs 3.5 mm), < 10 mm (2.8 mm vs 3.9 mm), < 15 mm (3.0 mm vs 4.1 mm), and < 20 mm (3.3 mm vs 4.7 mm), respectively (p < 0.05). Based on revision type, postoperative LLD was significantly lower in navigated rTHA compared to non-navigated rTHA in those with both-component and acetabular component-only revisions (p < 0.05). Subsequent re-revision was required in three navigated rTHAs (3%) and eight non-navigated rTHAs (8%, p = 0.121). Changes in patient-reported Hip injury and Osteoarthritis Outcome Score Joint Replacement, Lower Extremity Activity Scale, and pain were not significantly different between navigated and non-navigated patients. Conclusion: Postoperative LLD was improved relative to preoperative LLD in rTHA with and without the use of navigation. Postoperative LLD was significantly lower in navigated rTHA compared with non-navigated rTHA. There was no significant difference in PROMs between groups. Based on these results, computer-assisted navigation seems to optimize leg-length correction and should be considered for use in rTHA involving the acetabular component, including both-component and acetabular component-only revisions. Of note, the present study was not designed to validate all aspects of all parameters of computer navigation; rather, it was specifically designed to assess LLDs when using navigation. Therefore, the present results only cover the topic of LLD when using navigation in comparison with manual techniques.
Récupéré en direct depuis OpenAlex et désinversé. Les résumés ne sont pas conservés dans cette base de données : les index inversés représentent 8,6 Go des 9,3 Go de texte de la base, et le serveur dispose de 13 Go libres.
Comment cette classification a été obtenuedéplier
Prédiction distillée sur la base complète
Imitation des enseignantsNi prévalence calibrée, ni vérité terrain. Validation humaine à venir. Apprise à partir de 10 348 étiquettes directes de Codex et de 10 348 étiquettes directes de Gemma. Le mode candidate est l'union des têtes enseignantes seuillées; le consensus est leur intersection. Ces sorties portent le statut machine_predicted_unvalidated et ne sont ni des étiquettes humaines ni des étiquettes directes de modèles de pointe.
Scores Codex et Gemma par catégorie
| Catégorie | Codex | Gemma |
|---|---|---|
| Métarecherche | 0,000 | 0,000 |
| Méta-épidémiologie (sens strict) | 0,000 | 0,000 |
| Méta-épidémiologie (sens large) | 0,001 | 0,000 |
| Bibliométrie | 0,000 | 0,000 |
| Études des sciences et des technologies | 0,000 | 0,000 |
| Communication savante | 0,000 | 0,000 |
| Science ouverte | 0,000 | 0,000 |
| Intégrité de la recherche | 0,000 | 0,000 |
| Charge utile insuffisante (le modèle a refusé de juger) | 0,001 | 0,000 |
Scores machine (provisoires)
Les deux têtes enseignantes du modèle étudiant, lues sur ce travail. Un score ordonne la base pour la relecture; il n'affirme jamais une catégorie, et le statut de validation accompagne chaque rangée tel quel.
Scores de référence d'un modèle non mature (critères de maturité non atteints, 7 itérations). Un score ordonne; il n'affirme jamais une catégorie.
score_only:v0-immature-baseline · tel quel depuis la passe de notation : score_only signifie que le nombre peut ordonner les travaux, et qu'aucune étiquette de catégorie n'en découleClassification
machine, non validéePrédiction automatique; un appel candidat d’une seule tête enseignante, pas un consensus.
Le détail, modèle par modèle et score par score, se trouve en fin de page sous « Comment cette classification a été obtenue ».