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1st Metatarsal - DOAJ

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Last Updated: 12 October 2021

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Frontal Plane Rotation of the 1st Metatarsal in Relation to Arch Height

There is a question regarding the relationship of the impact of the arc height on the frontal plane turning of the 1st metatarsal, and its effect on hallux valgus deformities. Approaches: A series of patients who provided to a solitary orthopedic foot and ankle clinic with a compliant of hallux valgus deformity obtained a standard 4 sight standing radiograph series. The 4th sight was an axial sesamoid view to examine the frontal plane rotation. The first 50 patients that met our addition criteria were utilized. Any patients with prior surgical treatment on the 1st metatarsal or arc structure were left out. The radiographs where then examined by 2 fellowship qualified foot and ankle joint specialist with established radiographic specifications. The measurements caught in regard to curve height included Meary's angle, talonavicular insurance coverage angle, medial cuneiform arc elevation, navicular height, and lateral talocalcaneal angle. Outcomes: The accumulated details was after that initially looked for inter-observer integrity and discovered to be regular in between the two onlookers. The imaging studies connected to the HAV deformity was after that classed originally as light, severe and modest. The HAV deformities were then further identified based on frontal plane turning defect and classified as rotated, turned and subluxed, or no rotation. Final thought: After evaluation of the data it was noted that there was no substantial correlation in between arch height measurements, HAV defect and frontal plane turning of the 1st metatarsal.

Source link: https://doi.org/10.1177/2473011416S00188


The Effect on Radiographic Parameters of Dwyer’s Osteotomy and 1st Metatarsal Osteotomy for Pes Cavo-Varus Correction

Authors retrospectively reviewed and compared the information of patients who undertook 1st metatarsal osteotomy alone, Dwyer's osteotomy alone and 1st metatarsal osteotomy combined with Dwyer's osteotomy to find out the result on radiographic criteria for the correction of pes cavo-varus. Methods: Data on 28 cases in 27 successive patients hired from 2006 to 2014 who underwent 1st metatarsal osteotomy alone, Dwyer's osteotomy alone or 1st metatarsal osteotomy followed by Dwyer's osteotomy with a minimal 1-year follow-up were assessed retrospectively. Hindfoot placement angle and proportion on the hindfoot placement view were boosted in group H and HF.

Source link: https://doi.org/10.1177/2473011416S00296


Rotated Insertion Metatarsal Osteotomy with Distal Soft Tissue Procedure for Severe Hallux Valgus Deformity ―Novel Procedure of the 1st metatarsal osteotomy―

However it is controversial about the operative treatment for extreme hallux valgus. We executed rotated insertion metatarsal osteotomy with the distal soft cells treatment for serious hallux valgus deformity since January 2008. This treatment is composed of the turned insertion metatarsal osteotomy and the distal soft tissue procedure. This diaphysial longitudinal metatarsal oblique osteotomy was executed from proximally- medial site of the first metatarsal routed to distally- side site via the dorsal exposure. The idea of osteotomized proximal metatarsal was formed at the dorso-distal site to place in the central intramedullary aspect of osteotomized distal metatarsal. The second triangular cut of one third of dorso-plantar thick was made about 10 to 15 mm size from the side idea of osteomized proximal metatarsal. Outcomes: The mean preoperative HVA and IMA were 43. 8 levels and 20. 1 degrees. The mean postoperative HVA and IMA were reduced to 9. 0 degrees and 6. 1 levels.

Source link: https://doi.org/10.1177/2473011417S000348

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions