First metatarsophalangeal joint replacement outcomes

NewsBot · Oct 22, 2011

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First metatarsophalangeal joint replacement: Long-term results of a double stemmed flexible silicone prosthesis
E.W. ter Keurs MDa, S. Wassink, B.J. Burger, P.C.G. Hubach
Foot and Ankle Surgery
Volume 17, Issue 4, December 2011, Pages 224-227

Background
The aim of this retrospective study was to evaluate the long-term results of a Swanson type silicone prosthesis used for the first metatarsophalangeal (FMTP) joint replacement. It compares implants with and without the use of grommets.

Methods
Fifty-nine FMTP joints were replaced. The average follow-up period was 9 years. Subjective and clinical findings were scored according to the AOFAS-HMI (American Orthopedic Foot and Ankle Society-Hallux Metatarsophalangeal-Interphalangeal) score. X-ray examination was carried out by evaluation of the presence of reactive bone areas around the implant.

Results
Ninety-five percent of patients had relief of pain. Clinical findings showed a reasonable function (range of motion >30°) in 77% of the FMTP joints. A trend for decrease in radiolucency and lytic bone was seen in areas around the implant with the use of grommets.

Conclusion
The prosthesis shows good results concerning pain relief and a reasonable to good function (>30° range of motion) of the FMTP joint in most patients. Reactive bone areas around the implant decreased by the use of grommets
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