Foot and ankle surgery : official journal of the European Society of Foot and Ankle Surgeons · 2017
The Rotoglide™ total replacement of the first metatarso-phalangeal joint. A prospective series with 7-15 years clinico-radiological follow-up with survival analysis.
СтатьяНазвание и аннотация: Перевод в очереди
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Kofoed Hakon, Danborg Lasse, Grindsted Jacob, Merser Søren
Аннотация
BACKGROUND: The Rotoglide total replacement of the MTP-1 joint. 15 years survival analysis. The purpose of this prospective study was to evaluate the long-term performance clinico-radiographically of an uncemented three-component total replacement for the first metatarso-phalangeal joint (MTP-1) used for hallux rigidus (primary osteoarthritis grades 3 and 4). The follow-up was median 11.5 years (7-15).
METHODS: The AOFAS forefoot score was used preoperatively and at follow-up. Radiographs were taken weight-bearing in the AP-projection and in tip-toe standing in the lateral view. Arthrosis in the sesamoid junction, prosthetic loosening, subsidence (of prosthesis as well as sesamoids), and dorsiflexion were measured, recorded and subjected to multiple variance analysis. Survival analysis was performed for 15 years.
MATERIAL: Ninety implants in 80 patients (53 women and 27 men); median age 58 (41-76) were evaluated.
RESULTS: Six patients representing seven prostheses in situ had died from unrelated reason. The median preoperative AOFAS increased significantly from 40 to 95. The median gain was 45. Four replacements (4.4%) were extracted for other reasons than loosening. No aseptic loosenings were recorded. The survival rate at 15 years was 91.5% (83-100). Multiple variance analysis showed that arthrosis in the metatarso-sesamoid junction correlated with reduced AOFAS score.
CONCLUSION: The prosthesis has stood the test of time; the results justify its further use.
METHODS: The AOFAS forefoot score was used preoperatively and at follow-up. Radiographs were taken weight-bearing in the AP-projection and in tip-toe standing in the lateral view. Arthrosis in the sesamoid junction, prosthetic loosening, subsidence (of prosthesis as well as sesamoids), and dorsiflexion were measured, recorded and subjected to multiple variance analysis. Survival analysis was performed for 15 years.
MATERIAL: Ninety implants in 80 patients (53 women and 27 men); median age 58 (41-76) were evaluated.
RESULTS: Six patients representing seven prostheses in situ had died from unrelated reason. The median preoperative AOFAS increased significantly from 40 to 95. The median gain was 45. Four replacements (4.4%) were extracted for other reasons than loosening. No aseptic loosenings were recorded. The survival rate at 15 years was 91.5% (83-100). Multiple variance analysis showed that arthrosis in the metatarso-sesamoid junction correlated with reduced AOFAS score.
CONCLUSION: The prosthesis has stood the test of time; the results justify its further use.