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Orthopaedic Proceedings
Vol. 97-B, Issue SUPP_6 | Pages 14 - 14
1 May 2015
Yassin M Daoud M Giurea M
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There are many types of arthroplasties for the 1st MTPJ, but still the treatment of advance Hallux rigidus remains controversial. In this study we are reporting the outcome of the North Star hemicap at 6 months.

A series of patients under the care of a single surgeon were followed using the Manchester - Oxford Foot Questionnaire (MOXFQ) at 6months post operation, and a satisfaction question was asked. The operations were between August 2011 and August 2013. A total of forty five arthroplasties were implanted in 44 patients. Thirty four of them were female and 9 were male. The average age was 56 years (range 37–77 years).

Twenty six out of them (59%) needed an MUA + a local anaesthetic and steroid injection of the prosthetic joint at 2 to 14 months (average 6 months) post implantation. In these patients the MOXFQ was filled at 6months post the MUA and injection. Four of them were left out of the study because they were less than 6months post MUA. One patient had his implant removed and changed to fusion at his request at 14 months post implantation.

Forty one patients were satisfied and would recommend the operation, 2 were disappointed with the degree of movement but would still recommend the operation and one had it revised to fusion. The average MOXFQ was 12/64. In conclusion, high percentage of patients needed a second operation, but the scores are reasonably low and almost all patients would recommend it. Further follow up of these patients is needed for at least 5years but the early results are showing it to be a good alternative for fusion.