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Metatarsophalangeal joint arthroscopy may reduce metatarsophalangeal joint pain in patients with hallux valgus
Thursday, October 30 2008 | Comments
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Metatarsophalangeal joint (MTPJ) arthroscopy may reduce MTPJ pain in patients with hallux valgus when conservative treatment fails, a recent trial suggests.
In the study, researchers evaluated 121 first MTPJ arthroscopies performed in 107 subjects with hallux valgus. The subjects were divided into 3 groups. The first group had 30 (25%) first MTPJ arthroscopies performed in patients with first MTPJ pain and no bunion pain. In the second group, 23 (19%) first MTPJ arthroscopies were performed in patients with both first MTPJ pain and bunion pain. The third group consisted of 68 first MTPJ arthroscopies performed in patients with only bunion pain.
All participants in the second and third groups also had endoscopic distal soft-tissue procedures to correct the hallux valgus deformity.
The results showed that MTP compartment cartilage defect was statistically significantly associated with first MTPJ pain (P<.05). However, no statistically significant associations were noted between metatarso-sesamoid compartment cartilage defect and first MTPJ pain (P<.05). MTP compartment cartilage defect was significantly associated with hallux valgus severity (P<.001). In addition, the investigators found a significant linear-by-linear association showing that a more lateral cartilage lesion was associated with severe hallux valgus.
While there was a statistically significant association between MTP compartment synovitis and first MTPJ pain (P<.05), no such association was detected between metatarso-sesamoid compartment synovitis and first MTPJ pain (P<.05).
Of those with first MTPJ pain, 90% had complete or significant relief of the joint pain after arthroscopic synovectomy. (Lui TH, et al.
Arthroscopy 2008;24:1122-1129.)
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