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https://www.readbyqxmd.com/read/27885384/use-of-the-arthroereisis-screw-with-tendoscopic-delivered-platelet-rich-plasma-for-early-stage-adult-acquired-flatfoot-deformity
#1
Youichi Yasui, Ichiro Tonogai, Andrew J Rosenbaum, David M Moore, Masato Takao, Hirotaka Kawano, John G Kennedy
PURPOSE: Early stage adult acquired flatfoot deformity (AAFD) is traditionally treated with osteotomy and tendon transfer. Despite a high success rate, the long recovery time and associated morbidity are not sufficient. This study aims to evaluate the functional and radiological outcomes following the use of the arthroereisis screw with tendoscopic delivered PRP for early stage AAFD. METHODS: Patients with stage IIa AAFD who underwent the use of the arthroereisis screw with tendoscopic delivered PRP with a minimum follow-up time of 24 months were retrospectively evaluated...
November 24, 2016: International Orthopaedics
https://www.readbyqxmd.com/read/27556250/patient-specific-computational-models-to-optimize-surgical-correction-for-flatfoot-deformity
#2
Brian A Smith, Robert S Adelaar, Jennifer S Wayne
Several surgically corrective procedures are considered to treat Adult Acquired Flatfoot Deformity (AAFD) patients, relieve pain, and restore function. Procedure selection is based on best practices and surgeon preference. Recent research created patient specific models of AAFD to explore their predictive capabilities and examine effectiveness of the surgical procedure used to treat the deformity. The models' behavior was governed solely by patient bodyweight, soft tissue constraints, muscle loading, and joint contact without the assumption of idealized joints...
August 24, 2016: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/27137795/correlation-of-talar-anatomy-and-subtalar-joint-alignment-on-weightbearing-computed-tomography-with-radiographic-flatfoot-parameters
#3
Elizabeth A Cody, Emilie R Williamson, Jayme C Burket, Jonathan T Deland, Scott J Ellis
BACKGROUND: Underlying bony deformity may be related to development of adult-acquired flatfoot deformity (AAFD). Multiplanar weightbearing (MP-WB) computed tomography can be used to identify subtalar deformity which may contribute to valgus hindfoot alignment. On coronal MP-WB images, 2 angles reliably evaluate the subtalar joint axis: the angle between the inferior facet of the talus and the horizontal (inftal-hor) and the angle between the inferior and superior facets of the talus (inftal-suptal)...
August 2016: Foot & Ankle International
https://www.readbyqxmd.com/read/26874830/subtalar-arthroereisis-implant-removal-in-adults-a-prospective-study-of-100-patients
#4
Amol Saxena, Alessio Giai Via, Nicola Maffulli, Haywan Chiu
Subtalar joint arthroereisis (STA) can be used in the management of adult acquired flatfoot deformity (AAFD), including posterior tibial tendon dysfunction. The procedure is quick and normally causes little morbidity; however, the implant used for STA often needs to be removed because of sinus tarsi pain. The present study evaluated the rate and risk factors for removal of the implant used for STA in adults treated for AAFD/posterior tibial tendon dysfunction, including patient age, implant size, and the use of endoscopic gastrocnemius recession...
May 2016: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/26564733/surgery-for-adult-acquired-flatfoot-due-to-posterior-tibial-tendon-dysfunction-reduces-pain-improves-function-and-health-related-quality-of-life
#5
M C Cöster, B E Rosengren, A Bremander, M K Karlsson
BACKGROUND: Patients with adult acquired flatfoot deformity (AAFD) due to posterior tibial tendon dysfunction (PTTD) may require surgery but few reports have evaluated the outcome. METHODS: We evaluated 21 patients with a median age of 60 (range 37-72) years who underwent different surgical reconstructions due to stage II AAFD before and 6 and 24 months after surgery by the validated Self-Reported Foot and Ankle Score (SEFAS), Short Form 36 (SF-36) and Euroquol 5 Dimensions (EQ-5D)...
December 2015: Foot and Ankle Surgery: Official Journal of the European Society of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/26542162/effect-of-obesity-on-clinical-and-radiographic-outcomes-following-reconstruction-of-stage-ii-adult-acquired-flatfoot-deformity
#6
Dylan S Soukup, Aoife MacMahon, Jayme C Burket, Jeanne M Yu, Scott J Ellis, Jonathan T Deland
BACKGROUND: Obesity is a known risk factor for the development of adult acquired flatfoot deformity (AAFD), but obesity's effects on outcomes following AAFD reconstruction are unknown. We hypothesized that obesity would negatively impact outcomes following joint-preserving stage II AAFD reconstruction. METHODS: This retrospective study compared the outcomes of normal-weight (18.5 kg/m(2) ≤ BMI < 25 kg/m(2)), overweight (25 kg/m(2) ≤ BMI < 30 kg/m(2)), and obese (BMI ≥ 30 kg/m(2)) patients after AAFD reconstruction...
March 2016: Foot & Ankle International
https://www.readbyqxmd.com/read/26351158/results-of-arthroscopic-subtalar-arthrodesis-for-adult-acquired-flatfoot-deformity-vs-posttraumatic-arthritis
#7
COMPARATIVE STUDY
Jesús Vilá y Rico, Verónica Jiménez Díaz, Beatriz Bravo Giménez, María Ángeles Mellado Romero, Cristina Ojeda Thies
BACKGROUND: The goal of this study was to compare results with arthroscopic posterior subtalar arthrodesis between patients treated for adult-acquired flatfoot deformity (AAFD) due to posterior tibial tendon dysfunction and patients with posttraumatic subtalar arthritis. METHODS: Retrospective case series of 61 consecutive patients (group 1: posttraumatic arthritis, n = 37; group 2: AAFD, n = 24) averaging 49 years of age (range, 21-72 years) undergoing posterior arthroscopic subtalar arthrodesis via 1 or 2 percutaneous 6...
February 2016: Foot & Ankle International
https://www.readbyqxmd.com/read/25948692/optimal-position-of-the-heel-following-reconstruction-of-the-stage-ii-adult-acquired-flatfoot-deformity
#8
Matthew S Conti, Scott J Ellis, Jeremy Y Chan, Huong T Do, Jonathan T Deland
BACKGROUND: While previous work has demonstrated a linear relationship between the amount of medializing calcaneal osteotomy (MCO) and the change in radiographic hindfoot alignment following reconstruction, an ideal postoperative hindfoot alignment has yet to be reported. The aim of this study was to identify an optimal postoperative hindfoot alignment by correlating radiographic alignment with patient outcomes. METHODS: Fifty-five feet in 55 patients underwent flatfoot reconstruction for stage II adult-acquired flatfoot deformity (AAFD) by 2 fellowship-trained foot and ankle orthopedic surgeons...
August 2015: Foot & Ankle International
https://www.readbyqxmd.com/read/25785467/equivalent-pain-relief-with-and-without-resection-of-the-posterior-tibial-tendon-in-adult-flatfoot-reconstruction
#9
COMPARATIVE STUDY
Constantine A Demetracopoulos, James K DeOrio, Mark E Easley, James A Nunley
Transfer of the flexor digitorum longus (FDL) is indicated to compensate for the loss of posterior tibial tendon (PTT) function in the treatment of adult acquired flatfoot deformity (AAFD). The aim of this study was to determine the effect of PTT resection on pain relief following surgical treatment of stage II AAFD. A retrospective review of patients who underwent surgical treatment for stage II AAFD was performed. Patients were divided into two groups based on whether the degenerated PTT was resected or left in situ...
2014: Journal of Surgical Orthopaedic Advances
https://www.readbyqxmd.com/read/25589542/correlation-of-postoperative-midfoot-position-with-outcome-following-reconstruction-of-the-stage-ii-adult-acquired-flatfoot-deformity
#10
Matthew S Conti, Jeremy Y Chan, Huong T Do, Scott J Ellis, Jonathan T Deland
BACKGROUND: No studies investigating the effect of the midfoot (talonavicular joint) position on clinical outcomes following flatfoot reconstruction have been performed. The purpose of our study was to determine whether a postoperative abducted or adducted forefoot alignment, as determined from anteroposterior (AP) radiographs, was associated with a difference in outcomes using the Foot and Ankle Outcome Score (FAOS). METHODS: Midfoot abduction was defined on postoperative AP radiographs, evaluated at a mean of 1...
March 2015: Foot & Ankle International
https://www.readbyqxmd.com/read/25380775/assessment-of-coronal-plane-subtalar-joint-alignment-in-peritalar-subluxation-via-weight-bearing-multiplanar-imaging
#11
COMPARATIVE STUDY
William Probasco, Amgad M Haleem, Jeanne Yu, Bruce J Sangeorzan, Jonathan T Deland, Scott J Ellis
BACKGROUND: Patients with adult-acquired flatfoot deformity (AAFD) develop peritalar subluxation, which may stem from valgus inclination of the inferior surface of the talus. We hypothesized that patients with AAFD would have an increased valgus tilt of the subtalar joint in the coronal plane compared to controls when assessed with a novel multiplanar weight-bearing imaging (MP-WB). METHODS: Eighteen normal and 36 stage II AAFD patients scheduled to undergo operative reconstruction were evaluated by MP-WB through measuring 3 novel angles of the subtalar joint in the coronal view: (1) angle between inferior facet of the talus and the horizontal/floor (inftal-hor), (2) angle between inferior and superior facets of the talus (inftal-suptal), and (3) angle between inferior facet of the talus and superior facet of the calcaneus (inftal-supcal)...
March 2015: Foot & Ankle International
https://www.readbyqxmd.com/read/25380772/new-radiographic-parameter-assessing-hindfoot-alignment-in-stage-ii-adult-acquired-flatfoot-deformity
#12
Emilie R C Williamson, Jeremy Y Chan, Jayme C Burket, Jonathan T Deland, Scott J Ellis
BACKGROUND: The hindfoot moment arm is a reliable measurement of hindfoot valgus deformity in stage II adult-acquired flatfoot deformity (AAFD) and can be used to guide intraoperative correction of the hindfoot. There is currently little understanding of how the hindfoot moment arm relates to angular measurements of hindfoot alignment. The purpose of this study was to develop a new hindfoot alignment angle that can reliably quantify hindfoot valgus in patients with AAFD and to establish the relationship of this angle with the hindfoot moment arm...
April 2015: Foot & Ankle International
https://www.readbyqxmd.com/read/25156101/treatment-of-stage-ii-adult-acquired-flatfoot-deformity-with-subtalar-arthroereises
#13
Yuan Zhu, Xiang-Yang Xu
UNLABELLED: The role of arthroereises in the treatment of adult acquired flatfoot deformity (AAFD) has been controversial. This study aims to evaluate the outcome of subtalar arthroereisis in treating stage II AAFD. A total of 24 feet with stage II AAFD were treated surgically between 2009 and 2011 using subtalar arthroereisis. The average follow-up was 29.7 months (range = 24 to 35 months). The average postoperative AOFAS (American Orthopaedic Foot and Ankle Society) Ankle-Hindfoot Scale score was 85...
June 2015: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/24962524/accessory-talar-facet-impingement-in-pathologic-conditions-of-the-peritalar-region-in-adults
#14
Hisateru Niki, Takaaki Hirano, Yui Akiyama, Moroe Beppu
INTRODUCTION: Associations between accessory anterolateral talar facet (AALTF) and sinus tarsi pain in adults have not been reported. This study aimed to investigate the clinical and imaging characteristics of pathologic conditions of the peritalar region in adults with painful accessory talar facet impingement (ATFI). METHODS: We included 31 patients (aged 19-75 years) with persistent sinus tarsi pain who underwent surgery and had pathologic conditions of the peritalar region, including adult acquired flatfoot deformity (AAFD; 18 patients), ankle osteoarthritis (8 patients), and ankle instability (5 patients)...
October 2014: Foot & Ankle International
https://www.readbyqxmd.com/read/24568257/adult-acquired-flatfoot-deformity-and-age-related-differences-in-foot-and-ankle-kinematics-during-the-single-limb-heel-rise-test
#15
Ruth L Chimenti, Joshua Tome, Cody D Hillin, Adolph S Flemister, Jeff Houck
STUDY DESIGN: Cross-sectional laboratory study. OBJECTIVE: To compare single-limb heel-rise performance and foot-ankle kinematics between persons with stage 2 adult-acquired flat foot deformity (AAFD) and healthy controls. BACKGROUND: The inability to perform a single-limb heel rise is considered a positive functional diagnostic test for AAFD. However, which foot motions contribute to poor performance of this task are not known. METHODS: Fifty individuals participated in this study, 20 with stage 2 AAFD (mean ± SD age, 57...
April 2014: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/24043352/peritalar-instability-after-tibiotalar-fusion-for-valgus-unstable-ankle-in-stage-iv-adult-acquired-flatfoot-deformity-case-series
#16
Fabrice Colin, Lukas Zwicky, Alexej Barg, Beat Hintermann
BACKGROUND: An unstable valgus ankle with an incompetent medial ligament complex is still treated by many surgeons with isolated tibiotalar (TT) arthrodesis. To date, it is unknown whether rigid fixation of the talus within the ankle mortise sufficiently corrects and stabilizes the hindfoot complex. The purpose of this study was to critically analyze patients with this problem and to assess the underlying causes for their acquired peritalar instability. METHODS: This series included 4 male patients (ages 55, 70, 72, and 79 years)...
December 2013: Foot & Ankle International
https://www.readbyqxmd.com/read/24038128/validation-of-a-population-of-patient-specific-adult-acquired-flatfoot-deformity-models
#17
E Meade Spratley, Erika A Matheis, Curtis W Hayes, Robert S Adelaar, Jennifer S Wayne
Adult acquired flatfoot deformity (AAFD) is a degenerative disease resulting in malalignment of the mid- and hindfoot secondary to posterior tibial tendon dysfunction and increasing implication of ligament pathologies. Despite the complex 3D nature of AAFD, 2D radiographs are still employed to diagnose and stage the disease. Computer modeling techniques allow for accurate 3D recreations of musculoskeletal systems for the investigation of biomechanical factors contributing to disease. Following Institutional Review Board approval, the lower limbs of six diagnosed AAFD sufferers were imaged with MRI, photographs, and X-ray...
December 2013: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/23966258/the-calcaneal-scarf-osteotomy-surgical-correction-of-the-adult-acquired-flatfoot-deformity-and-radiographic-results
#18
Catherine A Feuerstein, Lowell Weil, Lowell Scott Weil, Erin E Klein, Nicholas G Agerakis, Usman Akram
PURPOSE: Surgical correction of the adult acquired flatfoot deformity (AAFD) is continually evolving. This technique article presents the technique of the calcaneal scarf osteotomy (CSO) and radiographic evidence supporting the ability of this procedure to correct an AAFD. METHOD: The technique described here is a single osteotomy that corrects flatfoot deformity in all 3 planes. Retrospectively, medical records were reviewed to identify patients who underwent a CSO for surgical correction of AAFD...
October 2013: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/23765382/approach-and-treatment-of-the-adult-acquired-flatfoot-deformity
#19
Ettore Vulcano, Jonathan T Deland, Scott J Ellis
Adult acquired flatfoot deformity (AAFD), embraces a wide spectrum of deformities. AAFD is a complex pathology consisting both of posterior tibial tendon insufficiency and failure of the capsular and ligamentous structures of the foot. Each patient presents with characteristic deformities across the involved joints, requiring individualized treatment. Early stages may respond well to aggressive conservative management, yet more severe AAFD necessitates prompt surgical therapy to halt the progression of the disease to stages requiring more complex procedures...
December 2013: Current Reviews in Musculoskeletal Medicine
https://www.readbyqxmd.com/read/23613328/plantar-forces-in-flexor-hallucis-longus-versus-flexor-digitorum-longus-transfer-in-adult-acquired-flatfoot-deformity
#20
E Meade Spratley, John M Arnold, John R Owen, Christopher D Glezos, Robert S Adelaar, Jennifer S Wayne
BACKGROUND: Flexor hallucis longus (FHL) and flexor digitorum longus (FDL) tendon transfers are frequently used to restore the function of a deficient tibialis posterior tendon in stage II adult acquired flatfoot deformity (AAFD). Either transfer causes some loss in toe flexion force, although the decision to tenodese the cut tendon to restore associated function remains controversial. This study quantified changes in plantar force before and after tendon transfer and with or without distal tenodesis in a cadaveric model...
September 2013: Foot & Ankle International
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