Foot and Ankle Surgery
Volume 17, Issue 4 , Pages 224-227, December 2011

First metatarsophalangeal joint replacement: Long-term results of a double stemmed flexible silicone prosthesis

  • E.W. ter Keurs, MD

      Affiliations

    • Spaarne Ziekenhuis, Spaarnepoort 1, 2134 TM Hoofddorp, The Netherlands
    • ,
  • S. Wassink, MD

      Affiliations

    • Spaarne Ziekenhuis, Spaarnepoort 1, 2134 TM Hoofddorp, The Netherlands
    • Corresponding Author InformationCorresponding author at: Department of orthopaedics, Spaarne Ziekenhuis, Spaarnepoort 1, 2134 TM Hoofddorp, The Netherlands.
    • ,
  • B.J. Burger, MD, PhD

      Affiliations

    • Medisch Centrum Alkmaar, Wilhelminalaan 12, 1815 JD Alkmaar, The Netherlands
    • ,
  • P.C.G. Hubach, MD

      Affiliations

    • Medisch Centrum Alkmaar, Wilhelminalaan 12, 1815 JD Alkmaar, The Netherlands

Received 11 October 2009; received in revised form 28 July 2010; accepted 3 August 2010. published online 09 September 2010.

Abstract 

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.

Keywords: Swanson silastic implant, Metatarsophalangeal joint, Hallux rigidus

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PII: S1268-7731(10)00106-2

doi:10.1016/j.fas.2010.08.001

Foot and Ankle Surgery
Volume 17, Issue 4 , Pages 224-227, December 2011

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