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Metatarsophalangeal

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https://www.readbyqxmd.com/read/28210803/being-overweight-has-limited-effect-on-scarf-osteotomy-outcome-for-hallux-valgus-correction
#1
Marcin A Milczarek, Julia J Milczarek, Bartłomiej Tomasik, Przemysław Łaganowski, Krzysztof Nowak, Marcin Domżalski
PURPOSE: The purpose of this study was to investigate the association between body mass index (BMI) and the results of SCARF osteotomy of the first metatarsal for hallux valgus (HV) correction, as the literature on this is scant. METHODS: This prospective study was carried out between 2011 and 2015. One hundred and thirty-three patients diagnosed with moderate to severe HV underwent a SCARF corrective osteotomy. We divided the patients into two groups according to their BMI: normal and overweight...
February 16, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28168959/the-bending-stiffness-of-shoes-is-beneficial-to-running-energetics-if-it-does-not-disturb-the-natural-mtp-joint-flexion
#2
Keonyoung Oh, Sukyung Park
A local minimum for running energetics has been reported for a specific bending stiffness, implying that shoe stiffness assists in running propulsion. However, the determinant of the metabolic optimum remains unknown. Highly stiff shoes significantly increase the moment arm of the ground reaction force (GRF) and reduce the leverage effect of joint torque at ground push-off. Inspired by previous findings, we hypothesized that the restriction of the natural metatarsophalangeal (MTP) flexion caused by stiffened shoes and the corresponding joint torque changes may reduce the benefit of shoe bending stiffness to running energetics...
January 18, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28166805/weight-bearing-recommendations-after-first-metatarsophalangeal-joint-arthrodesis-fixation-a-biomechanical-comparison
#3
Bradley Campbell, Patrick Schimoler, Sudhir Belagaje, M C Miller, S F Conti
BACKGROUND: This study sought to determine whether several metatarsophalangeal (MTP) fusion techniques require complete immobilization or if some level of weight-bearing could be recommended after surgery. A comparison of synthetic composite to actual bone was included in order to examine the validity of the testing conditions. METHODS: Four MTP fusion modalities were tested in synthetic composite bone models: unlocked plating, locked plating, crossed lag screws, and an unlocked plate with a single lag screw...
February 6, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28166136/aesthetic-multiple-toe-reconstruction-with-combined-iliac-bone-graft-and-wraparound-free-anterolateral-thigh-flap-a-case-report-and-literature-review
#4
Soo-Ha Kwon, William Lao, Cheng-I Yen, Yu-Te Lin, Katie Pei-Hsuan Wu, Tommy Nai-Jen Chang
Compared with upper extremity injuries, toe amputations and their replantations are rare because of the difficulty of their relatively thinner soft tissue envelope. Consequently, fewer reconstructive options are available for toes and they are rarely reported in the literature. In this study, we reported a case of right third to fifth toe amputations and their subsequent reconstruction with iliac bone grafts and a free anterolateral thigh flap. After serial debulking and division procedures, 3 toes were divided successfully...
February 4, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28159053/technique-tip-simultaneous-first-metatarsal-lengthening-and-metatarsophalangeal-joint-fusion-for-failed-hallux-valgus-surgery-with-transfer-metatarsalgia
#5
Ashwin Chowdhary, Lisca Drittenbass, Richard Stern, Mathieu Assal
BACKGROUND: Failed hallux valgus surgery may result in residual or recurrent hallux valgus, and as well transfer metatarsalgia. The present technical tip concerns the combination of fusion of the first metatarsophalangeal (MTP) joint and lengthening of the first metatarsal (MT) through a scarf osteotomy. MATERIALS AND METHODS: Six patients underwent the presented technique, all for the indication of failed hallux valgus surgery with shortening of the first MT and degenerative changes in the 1st MTP joint...
March 2017: Foot and Ankle Surgery: Official Journal of the European Society of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28159046/modified-double-plantar-plate-tenodesis
#6
T H Lui, L L LiYeung
BACKGROUND: Metatarsophalangeal joint instability of the lesser toe can cause acquired toe deformity. Plantar plate deficiency is the major pathology. Plantar plate repair can stabilize the joint but may result in iatrogenic transverse plane toe deformity in correction of claw toe deformity. Limited toe extension can be resulted after correction of crossover toe deformity by plantar plate tenodesis and extensor digitorum brevis transfer. A modification of the technique is proposed. MATERIALS AND METHODS: The clinical outcomes of 10 patients with the modified procedure performed were assessed...
March 2017: Foot and Ankle Surgery: Official Journal of the European Society of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28159038/clinical-and-radiological-outcomes-after-distal-oblique-osteotomy-for-the-treatment-of-stage-ii-hallux-rigidus-mid-term-results
#7
Antonio Viladot Voegeli, Lorenzo Marcellini, Luca Sodano, Ramon Viladot Perice
BACKGROUND: The aim of this retrospective study was to evaluate the mid-term outcomes of the distal oblique osteotomy in the correction of stage II hallux rigidus. METHODS: We evaluated 31 patients (32ft.) treated from March 2009 to April 2013 for hallux rigidus. The subjective evaluation was based on AOFAS score and self-evaluation of patient satisfaction. Radiographic analysis included: HVA, IMA, first metatarsophalangeal joint space, declination and shortening of first metatarsal...
March 2017: Foot and Ankle Surgery: Official Journal of the European Society of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28149733/arthroscopic-interpositional-arthroplasty-of-the-second-metatarsophalangeal-joint
#8
Tun Hing Lui
Painful degenerative diseases of the second metatarsophalangeal joint are frequently progressive and difficult to treat. Surgical options for the degenerated second metatarsophalangeal joint include joint debridement and synovectomy, drilling and microfracture, core decompression, dorsal closing-wedge metatarsal osteotomies, joint arthroplasty (implant or interpositional), elevation of the depressed articular fragment and bone graft, distraction arthroplasty, osteochondral plug transplantation, osteochondral distal metatarsal allograft reconstruction, and resection arthroplasty (phalangeal base or metatarsal head)...
December 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28149725/correction-of-crossover-toe-deformity-by-arthroscopically-assisted-plantar-plate-tenodesis
#9
Tun Hing Lui
Plantar plate deficiency is the major pathology causing metatarsophalangeal joint instability. As the joint subluxates dorsally, the lumbrical is tethered at the medial side of the joint by the deep metatarsal ligament and becomes a deforming force for the development of crossover toe deformity. Plantar plate repair or reconstruction is a logical surgical treatment option. This can be performed through a dorsal or plantar approach. The purpose of this technical note is to report a minimally invasive technique of crossover toe deformity correction by suturing the plantar plate to the extensor tendon...
December 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28145956/evaluation-of-first-ray-mobility-in-patients-with-hallux-valgus-using-weight-bearing-ct-and-a-3-d-analysis-system-a-comparison-with-normal-feet
#10
Tadashi Kimura, Makoto Kubota, Tetsuya Taguchi, Naoki Suzuki, Asaki Hattori, Keishi Marumo
BACKGROUND: Some physicians report that patients with hallux valgus have hypermobility at the tarsometatarsal (TMT) joint of the first ray and 3-dimensional (3-D) deformity. With use of non-weight-bearing and weight-bearing computed tomography (CT), we evaluated the 3-D mobility of each joint of the first ray in feet with hallux valgus compared with normal feet. METHODS: Ten feet of 10 patients with hallux valgus and 10 feet of 10 healthy volunteers with no foot disorders were examined...
February 1, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28128873/long-term-follow-up-of-norwegian-horses-affected-with-acquired-equine-polyneuropathy
#11
S Hanche-Olsen, C Kielland, C F Ihler, K Hultin Jäderlund
BACKGROUND: Acquired equine polyneuropathy, a neurologic disease clinically characterised by knuckling of metatarsophalangeal joints, has been described in numerous Nordic horses during the last 20 years. Although clinical recovery has been reported, large-scale data on long-term follow-up of survivors has been lacking. OBJECTIVES: To describe long-term survival of acquired equine polyneuropathy affected horses registered in Norway, with a focus on athletic performance and possible residual clinical signs connected to the disease...
January 27, 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/28117488/a-simple-method-for-equine-kinematic-gait-event-detection
#12
D Holt, L B St George, H M Clayton, S J Hobbs
BACKGROUND: Previous studies have validated methods for determining kinematic gait events using threshold-based methods, however a simple method is yet to be identified that can be successfully applied to walk, trot and canter. OBJECTIVES: To develop a simple kinematic method to identify the timing of hoof-on, peak vertical force and hoof-off, which can be applied to walk, trot and canter. STUDY DESIGN: In-vivo method authentication study...
January 24, 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/28110242/three-dimensional-analysis-of-tarsal-bone-response-to-axial-loading-in-patients-with-hallux-valgus-and-normal-feet
#13
Kota Watanabe, Yasutoshi Ikeda, Daisuke Suzuki, Atsushi Teramoto, Takuma Kobayashi, Tomoyuki Suzuki, Toshihiko Yamashita
BACKGROUND: Patients with hallux valgus present a variety of symptoms that may be related to the type of deformity. Weightbearing affects the deformities, and the evaluation of the load response of tarsal bones has been mainly performed using two-dimensional plane radiography. The purpose of this study was to investigate and compare structural changes in the medial foot arch between patients with hallux valgus and normal controls using a computer image analysis technique and weightbearing computed tomography data...
January 17, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/28103730/surgical-treatment-of-moderate-hallux-valgus
#14
Maki Grle, Goran Vrgoc, Ivan Bohacek, Vladimir Hohnjec, Marko Martinac, Iva Brkic, Lovro Stefan, Zdravko Jotanovic
PURPOSE: The purpose of the study was to determine whether lateral soft-tissue release (LSTR) has a beneficial or detrimental effect on the outcome of distal Chevron first metatarsal osteotomy (DCMO) in the treatment of moderate hallux valgus (HV). METHODS: We compared the effect of different surgical treatments in 2 groups of patients: group I (23 patients, 25 feet, average age of 55 [from 43 to 77] years) was subjected to DCMO only, whereas group II (18 patients, 23 feet, average age of 59 [from 52 to 70] years]) was subjected to DCMO with LSTR...
January 1, 2017: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/28097064/phalangeal-joints-kinematics-during-ostrich-struthio-camelus-locomotion
#15
Rui Zhang, Qiaoli Ji, Gang Luo, Shuliang Xue, Songsong Ma, Jianqiao Li, Lei Ren
The ostrich is a highly cursorial bipedal land animal with a permanently elevated metatarsophalangeal joint supported by only two toes. Although locomotor kinematics in walking and running ostriches have been examined, these studies have been largely limited to above the metatarsophalangeal joint. In this study, kinematic data of all major toe joints were collected from gaits with double support (slow walking) to running during stance period in a semi-natural setup with two selected cooperative ostriches. Statistical analyses were conducted to investigate the effect of locomotor gait on toe joint kinematics...
2017: PeerJ
https://www.readbyqxmd.com/read/28095703/outcomes-of-the-distal-metatarsal-dorsiflexion-osteotomy-for-advanced-hallux-rigidus
#16
Byung-Ki Cho, Kyoung-Jin Park, Ji-Kang Park, Nelson F SooHoo
BACKGROUND: Hallux rigidus can be treated using several different methods and the best treatment option depends on the severity of degenerative changes of the metatarsophalangeal (MTP) joint. However, the ideal operative option for advanced hallux rigidus remains debatable. This prospective study was performed to evaluate the intermediate-term clinical outcomes of distal metatarsal osteotomy used as a joint-preserving method for the treatment of advanced hallux rigidus. METHODS: Forty-two cases (39 patients) were followed for more than 3 years after distal metatarsal dorsiflexion osteotomy for advanced hallux rigidus of grade III-IV...
January 1, 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/28089127/mini-invasive-treatment-for-brachymetatarsia-of-the-fourth-ray-in-females-percutaneous-osteotomy-with-mini-burr-and-external-fixation-a-case-series
#17
Federico Fusini, Francesco Langella, Ottorino Catani, Fabrizio Sergio, Fabio Zanchini
Brachymetatarsia is a rare disease defined by metatarsal shortening and characterized by aesthetic dissatisfaction with or without pain. The aim of our study was to evaluate the outcomes of fourth ray brachymetatarsia treated with percutaneous osteotomy using a mini-burr and gradual lengthening with external fixation. A total of 7 females were recruited for the study; 6 (85.71%) of whom had a bilateral deformity, for a total of 13 feet affected by fourth ray brachymetatarsia. Percutaneous diaphysis osteotomy with a mini-burr followed by metatarsal elongation was performed...
January 6, 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28073655/fusion-of-the-first-metatarsophalangeal-joint-and-second-to-fifth-metatarsal-head-resection-for-rheumatoid-forefoot-deformity
#18
Pierfranco Triolo, Federica Rosso, Roberto Rossi, Raul Cerlon, Umberto Cottino, Davide Edoardo Bonasia
The goals of the present study were to evaluate the mid-term results of first metatarsophalangeal joint fusion combined with second to fifth metatarsal head resection in rheumatoid forefoot deformity and identify the prognostic factors. The inclusion criteria were 2010 American College of Rheumatology and/or European League Against Rheumatism criteria for rheumatoid arthritis; symptomatic forefoot deformity; first metatarsophalangeal joint fusion and second to fifth metatarsal head resection; and a minimum of 4 years of follow-up data available...
January 7, 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28073653/rare-lateral-dislocation-of-the-first-metatarsophalangeal-joint-a-case-report-and-review-of-the-literature
#19
Amir Reza Vosoughi, Pascal F Rippstein
Traumatic lateral dislocations of the first metatarsophalangeal (MTP) joint are very rare. A 44-year-old male was referred after a motorcycle to car accident because of an exposed head of the left first metatarsal through a laceration on the medial aspect of the first MTP joint. Radiographs showed a lateral dislocation of the first MTP joint, with concomitant fractures of the neck of the second metatarsal and the base of the third and fourth metatarsal bones. The dislocation was reduced in the emergency department with the patient under conscious sedation after thorough irrigation...
January 7, 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28070223/medical-grade-footwear-the-impact-of-fit-and-comfort
#20
Bessie Hurst, Helen Branthwaite, Andrew Greenhalgh, Nachiappan Chockalingam
BACKGROUND: Pressure-related skin lesions on the digits are a significant cause of discomfort. Most foot pain related to ill-fitting shoes occurs in the forefoot and digital areas. Pain has been associated with poor shoe fit, reduced toe box volume, as well as contour and shape of the shoe Off-the-shelf medical-grade footwear is designed as an intervention for chronic lesions on the digits. These shoes are designed with a flexible neoprene fabric upper that is thought to reduce pressure on the forefoot and reduce discomfort associated with ill-fitting shoes...
2017: Journal of Foot and Ankle Research
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