Risk factors for templating mismatch of uncemented stems in bipolar hemiarthroplasty for femoral neck fracture.
Journal
Scientific reports
ISSN: 2045-2322
Titre abrégé: Sci Rep
Pays: England
ID NLM: 101563288
Informations de publication
Date de publication:
30 Nov 2023
30 Nov 2023
Historique:
received:
01
06
2023
accepted:
28
11
2023
medline:
1
12
2023
pubmed:
30
11
2023
entrez:
29
11
2023
Statut:
epublish
Résumé
Preoperative templating needs to be precise to optimize hip arthroplasty outcomes. Unexpected implant mismatches can occur despite meticulous planning. We investigated the risk factors for oversized and undersized stem mismatch during uncemented hemiarthroplasty using a double-tapered wedge rectangular stem for femoral neck fracture. Out of 154 consecutive patients who underwent hemiarthroplasty for femoral neck fracture, 104 patients were divided into three groups: (1) oversized (n = 17; 16.3%), (2) matched (n = 80; 76.9%), and (3) undersized stem group (n = 7; 6.7%). A smaller femoral head offset (odds ratio [OR] = 0.89, 95% confidence interval [95% CI] = 0.81-0.98, P = 0.017), smaller isthmus diameter (OR = 0.57, 95% CI = 0.35-0.92, P = 0.021), and smaller canal flare index (OR = 0.20, 95% CI = 0.04-0.98, P = 0.047) were significantly associated with oversized stem insertion, while older age (OR = 1.18, 95% CI = 1.01-1.39, P = 0.037) was associated with undersized stem insertion in logistic regression. In conclusion, when performing hemiarthroplasty for a femoral neck fracture with a double-tapered wedge rectangular stem, surgeons must pay close attention to proximal femoral geometry and patient age during preoperative planning to avoid stem mismatch.
Identifiants
pubmed: 38030671
doi: 10.1038/s41598-023-48538-y
pii: 10.1038/s41598-023-48538-y
pmc: PMC10687254
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
21083Subventions
Organisme : Korea Evaluation Institute of Industrial Technology grant funded by the Ministry of Trade, Industry and Energy (MOTIE, Korea)
ID : 20016543
Informations de copyright
© 2023. The Author(s).
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