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Bone & Joint Open
Vol. 5, Issue 9 | Pages 799 - 805
24 Sep 2024
Fletcher WR Collins T Fox A Pillai A

Aims

The Cartiva synthetic cartilage implant (SCI) entered mainstream use in the management of first metatarsophalangeal joint (MTPJ) arthritis following the positive results of large trials in 2016. Limited information is available on the longer-term outcomes of this implant within the literature, particularly when independent from the originator. This single-centre cohort study investigates the efficacy of the Cartiva SCI at up to five years.

Methods

First MTPJ arthritis was radiologically graded according to the Hattrup and Johnson (HJ) classification. Preoperative and sequential postoperative patient-reported outcome measures (PROMs) were evaluated using the Manchester-Oxford Foot Questionnaire (MOXFQ), and the activities of daily living (ADL) sub-section of the Foot and Ankle Ability Measure (FAAM).


Bone & Joint Research
Vol. 1, Issue 6 | Pages 99 - 103
1 Jun 2012
Mason LW Tanaka H

Introduction. The aetiology of hallux valgus is almost certainly multifactoral. The biomechanics of the first ray is a common factor to most. There is very little literature examining the anatomy of the proximal metatarsal articular surface and its relationship to hallux valgus deformity. Methods. We examined 42 feet from 23 specimens in this anatomical dissection study. Results. This analysis revealed three distinct articular subtypes. Type 1 had one single facet, type 2 had two distinct articular facets, and type 3 had three articular facets one of which was a lateral inferior facet elevated from the first. Type 1 joints occurred exclusively in the hallux valgus specimens, while type 3 joints occurred exclusively in normal specimens. Type 2 joints occurred in both hallux valgus and normal specimens. Another consistent finding in regards to the proximal articular surface of the first metatarsal was the lateral plantar prominence. This prominence possessed its own articular surface in type 3 joints and was significantly flatter in specimens with hallux valgus (p < 0.001) and the angle with the joint was significantly more obtuse (p < 0.001). Conclusions. We believe the size and acute angle of this prominence gives structural mechanical impedance to movement at the tarsometatarsal joint and thus improves the stability


Bone & Joint Open
Vol. 2, Issue 3 | Pages 174 - 180
17 Mar 2021
Wu DY Lam EKF

Aims

The purpose of this study is to examine the adductus impact on the second metatarsal by the nonosteotomy nonarthrodesis syndesmosis procedure for the hallux valgus deformity correction, and how it would affect the mechanical function of the forefoot in walking. For correcting the metatarsus primus varus deformity of hallux valgus feet, the syndesmosis procedure binds first metatarsal to the second metatarsal with intermetatarsal cerclage sutures.

Methods

We reviewed clinical records of a single surgical practice from its entire 2014 calendar year. In total, 71 patients (121 surgical feet) qualified for the study with a mean follow-up of 20.3 months (SD 6.2). We measured their metatarsus adductus angle with the Sgarlato’s method (SMAA), and the intermetatarsal angle (IMA) and metatarsophalangeal angle (MPA) with Hardy’s mid axial method. We also assessed their American Orthopaedic Foot & Ankle Society (AOFAS) clinical scale score, and photographic and pedobarographic images for clinical function results.


Bone & Joint 360
Vol. 7, Issue 6 | Pages 21 - 23
1 Dec 2018


Bone & Joint 360
Vol. 6, Issue 6 | Pages 20 - 22
1 Dec 2017


Bone & Joint 360
Vol. 7, Issue 3 | Pages 16 - 18
1 Jun 2018


Bone & Joint 360
Vol. 8, Issue 2 | Pages 21 - 23
1 Apr 2019


Bone & Joint 360
Vol. 6, Issue 2 | Pages 18 - 20
1 Apr 2017


Bone & Joint 360
Vol. 1, Issue 4 | Pages 15 - 17
1 Aug 2012

The August 2012 Foot & Ankle Roundup360 looks at: calcaneocuboid distraction arthrodesis with allograft for acquired flatfoot; direct repair of the plantar plate; thromboembolism after fixation of the fractured ankle; weight loss after ankle surgery; Haglund’s syndrome and three-portal endoscopic surgery; Keller’s procedure; arthroscopy of the first MTPJ; and Doppler spectra in Charcot arthropathy.


Bone & Joint 360
Vol. 3, Issue 3 | Pages 21 - 22
1 Jun 2014

The June 2014 Foot & Ankle Roundup360 looks at: peroneal tendon tears associated with calcaneal fractures; syndesmosis procedure for first ray deformities; thromboprophylaxis not necessary in elective Ilizarov surgery; ankle replacement gaining traction in academic centres; some evidence for PRP and; fusion nailing and osteotomy an effective treatment for symptomatic tibial malunion


Bone & Joint 360
Vol. 5, Issue 6 | Pages 29 - 31
1 Dec 2016


Bone & Joint 360
Vol. 5, Issue 2 | Pages 16 - 18
1 Apr 2016


Bone & Joint 360
Vol. 4, Issue 3 | Pages 15 - 16
1 Jun 2015

The June 2015 Foot & Ankle Roundup360 looks at: Syndesmosis and outcomes in ankle fracture; Ankle arthrodesis or arthroplasty: a complications-based analysis; Crosslinked polyethylene and ankle arthroplasty; Reducing screw removal in calcaneal osteotomies; Revisiting infection control policies; Chevron osteotomy: proximal or distal?; Ankle distraction for osteoarthritis


Bone & Joint 360
Vol. 4, Issue 2 | Pages 15 - 17
1 Apr 2015

The April 2015 Foot & Ankle Roundup360 looks at: Plantar pressures linked to radiographs; Strength training for ankle instability?; Is weight loss good for your feet?; Diabetes and foot surgery complications; Tantalum for failed ankle arthroplasty?; Steroids, costs and Morton’s neuroma; Ankle arthritis and subtalar joint


Bone & Joint 360
Vol. 3, Issue 5 | Pages 25 - 28
1 Oct 2014

The October 2014 Trauma Roundup360 looks at: proximal humeral fractures in children; quadrilateral surface plates in transverse acetabular fractures; sleep deprivation and poor outcomes in trauma; bipolar hemiarthroplasty; skeletal traction; forefoot fractures; telemedicine in trauma; ketamine infusion for orthopaedic injuries; and improved functional outcomes seen with trauma networks.