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Latest journal articles about foot and ankle from Foot and Ankle International, Journal of Foot and Ankle Research, Journal of Foot and Ankle Surgery, Foot and Ankle Surgery, Foot, The Bone & Joint Journal, Journal of Bone and Joint Surgery, Clinical Orthopaedics and Related Research, Acta Orthopaedica, Orthopedic Clinics of North, America, Journal of Orthopaedic Surgery and Research, Orthopedics
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Bone Microarchitecture of the Talus Changes With Aging.
Clin Orthop Relat Res. 2013 Jul 27;
Authors: Krause M, Rupprecht M, Mumme M, Püschel K, Amling M, Barvencik F
Abstract
BACKGROUND: Fractures of the talus in the elderly are rare and usually result from high-impact injuries, suggesting only minor age-related bone structure changes. However, total ankle replacement failures with age often result from talar subsidence, suggesting age-related bone loss in the talus. Despite a number of histological analyses of talar microarchitecture, the effects of age and sex on talar microarchitecture changes remain poorly defined.
QUESTIONS/PURPOSES: The aim of this study was to analyze changes or differences in the trabecular microarchitecture of the talus with regard to (1) age and (2) sex.
METHODS: Sixty human tali were harvested from 30 patients at autopsy of three different age groups (20-40, 41-60, 61-80 years). The specimens were analyzed by radiography, micro-CT, and histological analysis. Given that there was no difference between the left and right talus, static histomorphometric parameters were assessed in three regions of interest of the right talus only (body, neck, head; n = 30).
RESULTS: The talar body, neck, and head were affected differently by age-related changes. The greatest loss of bone volume with age was seen in the talar body (estimate: -0.239; 95% confidence interval [CI], -0.365 to -0.114; p < 0.001).
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Metatarsal Shortening Osteotomy for Decompression of Morton's Neuroma.
Foot Ankle Int. 2013 Jul 26;
Authors: Park EH, Kim YS, Lee HJ, Koh YG
Abstract
BACKGROUND: Among the various operative treatments of Morton's neuroma, deep transverse metatarsal ligament (DTML) release has been performed for decompression of neuroma. However, the main lesion of Morton's neuroma is located between the metatarsal head and the metatarsophalangeal (MTP) joint and more distal than the DTML. Hence we performed the metatarsal shortening osteotomy along with DTML release for decompression of neuroma, and investigated the clinical outcomes of it and compared the outcomes with those of DTML release alone.
METHODS: We retrospectively reviewed 84 consecutive patients (86 neuromas) who underwent surgery for a Morton's neuroma between February 2008 and March 2011. The first 46 neuroma (group A) were treated with DTML release alone, and the next 40 neuroma (group B) underwent the metatarsal shortening osteotomy with DTML release. Clinical outcomes were compared between the groups and the associations between clinical outcomes and neuroma size were assessed.
RESULTS: Clinical outcomes were significantly improved after surgery in both groups but there were significant differences in clinical outcomes between the 2 groups at final follow-up. There were significant correlations between neuroma size and outcomes in group A, whereas no significant correlations were found between neuroma size and outcomes in group B.
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Suture Anchor Fixation of Unstable Bony Mallet Injuries of the Hallux.
Foot Ankle Int. 2013 Jul 26;
Authors: Hong CC, Tan KJ
PMID: 23892929 [PubMed - as supplied by publisher]
Read more... http://www.ncbi.nlm.nih.gov/pubmed/23892929?dopt=Abstract
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Long-term Outcome of Planovalgus Foot Surgical Correction in Children with Cerebral Palsy.
J Foot Ankle Surg. 2013 Jul 25;
Authors: Kadhim M, Holmes L, Miller F
Abstract
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Correction of a Severe Poliomyelitic Equinocavovarus Foot Using an Adjustable External Fixation Frame.
J Foot Ankle Surg. 2013 Jul 24;
Authors: Nomura I, Watanabe K, Matsubara H, Nishida H, Shirai T, Tsuchiya H
Abstract
One-stage surgical correction of severe equinocavovarus deformity can result in complications ranging from skin necrosis to tibial nerve palsy. Fewer complications have been reported when severe deformities were treated by gradual correction using external frames such as the Ilizarov external fixator or the Taylor Spatial Frame™. We describe a case of a 64-year-old female patient with severe poliomyelitic equinocavovarus whose deformity required her to ambulate using the dorsum of her right foot as a weightbearing surface. We treated the deformity with gradual correction using a Taylor Spatial Frame™, followed by ankle arthrodesis. At the most recent postoperative evaluation, 20 months after the initial surgery, the patient was pain free and ambulating on the sole of her right foot.
PMID: 23890796 [PubMed - as supplied by publisher]
Read more... http://www.ncbi.nlm.nih.gov/pubmed/23890796?dopt=Abstract
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Minimally Invasive Soft Tissue Release of Foot and Ankle Contracture Secondary to Stroke.
J Foot Ankle Surg. 2013 Jul 24;
Authors: Boffeli TJ, Collier RC
Abstract
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The effect of shoe toe box shape and volume on forefoot interdigital and plantar pressures in healthy females.
J Foot Ankle Res. 2013 Jul 25;6(1):28
Authors: Branthwaite H, Chockalingam N, Greenhalgh A
Abstract
BACKGROUND: Ill-fitting footwear can be detrimental to foot health with the forefoot being an area for most discomfort. Studies on footwear have primarily examined sports or orthopaedic prescription shoes and little is known about the effects that everyday flat shoes have on the forefoot. The aim of this study was to investigate the effect of toe box shape in a popular slip-on pump on dorsal and plantar pressures with particular interest around the forefoot in a healthy female population.
METHOD: A convenience sample of 27 female participants with no known foot pathologies was recruited. After assessment of foot size, plantar foot pressure and interdigital pressures were recorded for each of the 3 different toe box styles; round, square and pointed. Participants walked at a self-selected speed over a 10 m walkway whilst wearing each of the 3 styles of shoe and also whilst barefoot. Processed and analysed data extracted included peak pressure, time to peak pressure, contact time and pressure time integral. ANOVA and Freidman analysis was used to test for statistical significance.
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Geometric morphometric footprint analysis of young women.
J Foot Ankle Res. 2013;6(1):27
Authors: Domjanic J, Fieder M, Seidler H, Mitteroecker P
Abstract
BACKGROUND: Most published attempts to quantify footprint shape are based on a small number of measurements. We applied geometric morphometric methods to study shape variation of the complete footprint outline in a sample of 83 adult women.
METHODS: The outline of the footprint, including the toes, was represented by a comprehensive set of 85 landmarks and semilandmarks. Shape coordinates were computed by Generalized Procrustes Analysis.
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Short-Term Functional Outcomes of First Metatarsophalangeal Total Joint Replacement for Hallux Rigidus.
Foot Ankle Int. 2013 Jul 22;
Authors: Erkocak OF, Senaran H, Altan E, Aydin BK, Acar MA
Abstract
BACKGROUND: Although metatarsophalangeal (MTP) arthrodesis has been advocated by many authors, implant arthroplasty appears to be successful option in advanced hallux rigidus (HR). The aim of our study was to evaluate the early results of the ToeFit-Plus prosthesis for the treatment of HR.
METHODS: Between December 2007 and January 2011, a total of 26 toes of 24 patients with MTP arthritis of the great toe were treated with ToeFit-Plus implant. The average follow-up time was 29.9 (range: 25 to 62) months. All patients were evaluated clinically and radiographically. Postoperative satisfaction and function were scored according to the American Orthopaedic Foot and Ankle Society (AOFAS) score. Pain was assessed with the use of a visual analogue scale.
RESULTS: Mean preoperative AOFAS score improved from 42.7 (range: 36 to 59) to 88.5 (range: 59 to 98) at the final follow-up (P < .01). Preoperative average visual analogue scale pain scores improved from 7.4 preoperatively to 1.9 at the final follow-up (P < .01). The average MTP joint range of motion improved from 25.9 degrees preoperatively to 53.8 degrees at the final follow-up. No radiologic loosening was found, but radiolucency was observed in 2 patients with this implant. No revision was required for any of the patients during the follow-up period.
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Bone Propeller Flap-A Staged Procedure.
J Foot Ankle Surg. 2013 Jul 19;
Authors: Tremp M, Largo RD, Borens O, Schaefer DJ, Kalbermatten DF
Abstract
The ideal reconstruction technique for complex defects of the lower limb consists of replacing tissue with similar tissue in an attempt to achieve a good functional result. A 23-year-old white male sustained a crush injury with a grade IIIB open ankle dislocation. After open reduction and fixation, the patient developed severe osteomyelitis at the tibiotalar joint requiring a staged and radical debridement with a substantial combined soft tissue and bony defect over the distal tibia, fibula, and talus area. The reconstructive approach consisted of a modified model of the propeller flap, implementing the spare part concept in a 2-stage procedure using a prefabricated and vascularized "double-barrel" fibular graft. At 17 months postoperatively, a plain radiograph showed bony union with complete and stable coverage of the soft tissue defect. The patient was fully weightbearing. In conclusion, there is evidence to suggest that the established concept of a soft tissue propeller flap can be implemented on bone.
PMID: 23876983 [PubMed - as supplied by publisher]
Read more... http://www.ncbi.nlm.nih.gov/pubmed/23876983?dopt=Abstract
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