Quality of Life in Bilateral Vs. Unilateral End-Stage Ankle Arthritis and Outcomes of Bilateral Vs. Unilateral Total Ankle Replacement
Notice bibliographique
Résumé
BACKGROUND: We performed a retrospective cohort study to compare preoperative health-related quality of life (HRQoL) between patients with bilateral and those with unilateral end-stage ankle arthritis. We also compared midterm outcomes in a subgroup of patients who had undergone staged bilateral total ankle replacement (TAR) with the outcomes in the group treated with unilateral TAR. METHODS: The HRQoL before surgical treatment was compared between 53 patients with bilateral end-stage ankle arthritis identified from the Canadian Orthopaedic Foot and Ankle Society Prospective Ankle Reconstruction Database and 106 patients with unilateral arthritis selected from the same database. Short Form-36 (SF-36) and American Academy of Orthopaedic Surgeons Foot and Ankle Module (AAOS-FAM) scores were used to assess preoperative HRQoL. Midterm outcomes (implant survival, HRQoL, and reoperation and revision rates) were compared between 37 patients who had undergone staged bilateral TAR and 106 patients treated with unilateral TAR; all patients were followed for at least 2 years. RESULTS: Preoperatively, patients with unilateral disease had a higher prevalence of posttraumatic arthritis, whereas patients with bilateral disease had a higher prevalence of primary and secondary arthritis (p < 0.001). The mean preoperative SF-36 physical component summary (PCS) score in the unilateral group was higher than that in the bilateral group (p < 0.002). The mean postoperative follow-up (and standard deviation) was 5.0 ± 2.0 years in the bilateral TAR group and 4.0 ± 1.8 years in the unilateral TAR group. The patients who underwent either unilateral or staged bilateral TAR demonstrated improved SF-36 PCS scores between the preoperative and postoperative evaluations (p < 0.001). The postoperative SF-36 PCS scores were similar between the patients with unilateral TAR and those with bilateral TAR (p = 0.70). Six ankles (6%) in the unilateral cohort and 6 ankles (8%) in the bilateral cohort required revision of the metal component (p = 0.52). The mean implant survival time was 10.9 years (95% confidence interval [CI] = 10.1 to 11.7 years) in the bilateral cohort and 9.2 years (95% CI = 8.5 to 9.8 years) in the unilateral cohort (p = 0.60). CONCLUSIONS: Preoperative SF-36 scores demonstrated that bilateral end-stage ankle arthritis is a more debilitating condition than unilateral arthritis. Patients who underwent staged bilateral TAR benefited as much as patients who underwent unilateral TAR, despite having a worse preoperative health status. Metal component revision rates and implant survival were similar between the 2 groups. LEVEL OF EVIDENCE: Therapeutic Level III. See Instructions for Authors for a complete description of levels of evidence.
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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 | 0,003 | 0,001 |
| Méta-épidémiologie (sens strict) | 0,000 | 0,000 |
| Méta-épidémiologie (sens large) | 0,003 | 0,001 |
| Bibliométrie | 0,001 | 0,000 |
| Études des sciences et des technologies | 0,000 | 0,000 |
| Communication savante | 0,000 | 0,001 |
| Science ouverte | 0,000 | 0,000 |
| Intégrité de la recherche | 0,000 | 0,000 |
| Charge utile insuffisante (le modèle a refusé de juger) | 0,000 | 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 ».