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Talar dome

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https://www.readbyqxmd.com/read/29202990/biological-reconstruction-of-large-osteochondral-lesions-of-the-talar-dome-with-a-modified-sandwich-technique-midterm-results
#1
Boguslaw Sadlik, Lukasz Kolodziej, Adrian Blasiak, Mateusz Szymczak, Bartłomiej Warchal
BACKGROUND: Surgical treatment for large osteochondral lesions of the talar dome (OLTD) must restore the convexity and curvature of the talus. Here, we present midterm results and describe the modified "sandwich" reconstruction procedure. Bone defects were restored using a biological inlay consists of autologous bone chips that were mixed with bone marrow concentrate and fibrin glue and covered with a xenogeneic collagen membrane infiltrated with bone marrow concentrate and stabilized by fibrin glue...
December 2017: Foot and Ankle Surgery: Official Journal of the European Society of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/29174207/detection-of-the-tram-track-lesion-in-the-ankle-joint-comparing-3-0-tesla-magnetic-resonance-imaging-and-arthroscopy
#2
Dong Woo Shim, Sungjun Kim, Yeokgu Hwang, Yunjae Lee, Jin Woo Lee, Seung Hwan Han
PURPOSE: To show the effectiveness of magnetic resonance imaging (MRI) for the detection of tram track lesions in the ankle compared with ankle arthroscopy. METHODS: We retrospectively assessed all patients who underwent arthroscopic ankle surgery between January 2013 and July 2015. Patients with anterior impingement spurs were included, but those with an osteochondral lesion or arthritis were excluded. Anterior ankle bony spurs on preoperative weight-bearing radiographs were scored using an impingement classification system...
November 21, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29171977/ultrasonographic-measurements-of-the-metacarpophalangeal-and-talar-cartilage-thicknesses-a-reliability-study-in-healthy-subjects
#3
Şule Şahin Onat, Ayşe Merve Ata, Simão Serrano, Shaw-Gang Shyu, João Constantino, Süha Yalçın, Cengiz Açıkel, Murat Kara, Levent Özçakar
BACKGROUND: Assessment of the joint cartilage using ultrasound (US) imaging is important. OBJECTIVE: Our aim was to investigate the reliabilities of ultrasonographic measurements for talus dome (TCT) and metacarpal cartilage thicknesses (MCT). METHODS: Twenty healthy volunteers were recruited in the study. Every day, five physiatrists measured eight joint cartilage thicknesses. They repeated all the measurements in five consecutive days. RESULTS: Intra-observer intraclass correlation coefficient (ICC) values were "excellent" for all MCTs, except for the 3rd left MCT on the 1st day, 4th left MCT on the 1st day and 4th right MCT on the 3rd day which were "good"...
November 17, 2017: Journal of Back and Musculoskeletal Rehabilitation
https://www.readbyqxmd.com/read/29079263/accessibility-of-the-talar-dome-anatomic-comparison-of-plantarflexion-versus-noninvasive-distraction-in-arthroscopy
#4
Lena Hirtler, Reinhard Schuh
PURPOSE: The purpose of this study was to evaluate the difference in accessibility of the talar dome during ankle arthroscopy between noninvasive distraction and maximum plantar flexion without distraction. METHODS: For this study, 20 matched pairs (n = 40) of anatomic ankle specimens were used. Two groups (distraction or maximum plantar flexion) were defined. Through the use of chondral picks, the accessibility of each technique was tested arthroscopically. Afterward, the ankle joint was dissected and the reach achieved was measured and compared between the 2 groups...
October 24, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29016192/added-value-of-preoperative-computed-tomography-for-determining-cartilage-degeneration-in-patients-with-osteochondral-lesions-of-the-talar-dome
#5
Tomoyuki Nakasa, Yasunari Ikuta, Masahiro Yoshikawa, Mikiya Sawa, Yusuke Tsuyuguchi, Nobuo Adachi
BACKGROUND: Osteochondral lesions of the talar dome (OLTs) involve the articular cartilage and subchondral bone. The subchondral bone plate (SBP) plays a crucial role in cartilage metabolism, and computed tomography (CT) can provide more precise information on subchondral bone. CT image prediction of the histological findings on OLT will be useful to determine the most appropriate therapeutic strategy. PURPOSE: To evaluate the unique features of the CT findings that relate to the condition of the articular cartilage in OLT...
October 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28979588/management-of-osteochondral-lesions-of-the-talar-dome
#6
Chamnanni Rungprai, Joshua N Tennant, Ryan D Gentry, Phinit Phisitkul
Osteochondral lesion of the talus (OLT) is a common condition associated with ankle injury that brings challenges in the diagnosis and treatment. Symptoms related to this condition are nonspecific including pain, swelling, stiffness, and mechanical symptoms of locking and catching. While the natural history of the OLTs is not well understood, surgical treatment is often required especially in chronic cases and acute cases with displaced articular fragments. Arthroscopic treatment of the OLTs aims to restore ankle joint function and pain relief by the removal of the chondral or osteochondral fragment, debridement and stabilization of cartilage rim and subchondral bone, and stimulate healing of the bone and damaged cartilage...
2017: Open Orthopaedics Journal
https://www.readbyqxmd.com/read/28952792/comparison-of-ankle-joint-visualization-between-the-70%C3%A2-and-30%C3%A2-arthroscopes-a-cadaveric-study
#7
Ichiro Tonogai, Fumio Hayashi, Yoshihiro Tsuruo, Koichi Sairyo
Ankle arthroscopy is an important diagnostic and therapeutic tool. Arthroscopic ankle surgery for anterior ankle impingement or osteochondral lesions (OCLs) is mostly performed with a 30° arthroscope; however, visualization of lesions is sometimes difficult. This study sought to compare ankle joint visualization between 70° and 30° arthroscopes and clarify the effectiveness of 70° arthroscopy. Standard anterolateral and anteromedial portals were placed with 4-mm 70° or 30° angled arthroscopes in a fresh 77-year-old male cadaveric ankle...
September 1, 2017: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/28882059/mri-evaluation-of-ligaments-and-tendons-of-foot-arch-in-talar-dome-osteochondral-lesions
#8
Ali Koç, Özgür Karabiyik
Background There are no publications in literature describing an association between disorders of the ligaments and tendons supporting the foot arch and osteochondral lesions of the talus (OCLT). We believe there may be a correlation between the damage of these structures. Purpose To investigate the pathologies of main ligaments and tendons that support the foot arch in sprained ankles, by reviewing magnetic resonance imaging (MRI) studies and comparing the results in two groups of patients, with and without OCLT...
January 1, 2017: Acta Radiologica
https://www.readbyqxmd.com/read/28843549/defining-talar-head-and-neck-pathology-the-malvern-classification-system
#9
REVIEW
Christopher Robin Hood, Jason Roy Miller, Josuha Kevin Hollinger
Talar fractures account for <1% of all fractures in the body and 3% to 6% of pedal fractures. Of these fractures, avulsion and neck fractures represent the most and second most common type, respectively. Several classification systems exist for talar fractures of the talar dome (Berndt-Hardy), talar neck dislocation (Hawkins), and talar body (Sneppen) anatomic locations. Although diverse, they are not all encompassing for fracture patterns of the talus. Another set of pathologic issues occur about the talar head and neck region that can be seen in the clinical setting...
August 23, 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28807507/optimizing-arthroscopy-for-osteochondral-lesions-of-the-talus-the-effect-of-ankle-positions-and-distraction-during-anterior-and-posterior-arthroscopy-in-a-cadaveric-model
#10
Phinit Phisitkul, Craig C Akoh, Chamnanni Rungprai, Alexej Barg, Annuziato Amendola, Kevin Dibbern, Donald Anderson
PURPOSE: To quantify arthroscopic accessibility of the talar dome with predefined ankle positions through anterior and posterior approaches. METHODS: Fourteen below-knee cadaver specimens underwent preoperative range of motion assessments. A 30° 2.7-mm arthroscopic camera was used to mark accessible areas at varying ankle positions. Accessible regions were quantified using a surface laser scanner and digital 3 × 3 grid. Statistical analyses were performed to detect differences in arthroscopic accessibility between different flexion angles and noninvasive distraction...
August 11, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28705062/ankle-traction-during-mri-of-talar-dome-osteochondral-lesions
#11
Ryan Ka Lok Lee, James F Griffith, Eric K C Law, Alex W H Ng, David K W Yeung
OBJECTIVE: The objective of our study was to assess the impact of axial traction during MRI of talar dome osteochondral lesions using a small-FOV coil. SUBJECTS AND METHODS: A prospective study of 33 patients undergoing high-resolution MRI of the ankle using a microscopy coil with and without axial traction was performed. Two radiologists independently measured the tibiotalar joint space width and semiquantitatively graded intraarticular joint fluid dispersion, cartilage surface visibility of the osteochondral lesion, and cartilage surface visibility elsewhere in the tibiotalar joint before and after traction...
October 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28675813/radiological-assessment-of-ankle-syndesmotic-reduction
#12
Constantinos Louis Loizou, Alexis Sudlow, Ruaraidh Collins, David Loveday, George Smith
INTRODUCTION: The intraoperative assessment of adequacy of syndesmotic reduction is challenging. The aim of this study was to develop a radiographic measure based on the lateral ankle view to assess both the normal and abnormal relationship between the tibia and fibula after simulated syndesmotic malreduction and to evaluate the effect on commonly used mortise measurements. METHODS: Mortise and talar dome lateral radiographs were obtained in eight fresh-frozen cadaveric specimens before and following syndesmosis division and posterior fibular displacement of 2mm increments...
May 3, 2017: Foot
https://www.readbyqxmd.com/read/28633799/interposition-ankle-arthroplasty-using-acellular-dermal-matrix-a%C3%A2-small-series
#13
Brian Carpenter, Kyle Duncan, Jordan Ernst, Dalton Ryba, Sumihiro Suzuki
Although ankle arthrodesis is the reference standard for end-stage ankle arthritis, loss of mobility and adjacent joint arthritis are consequences that alternatives to arthrodesis attempt to avoid. The purpose of the present study was to report the clinical results of interpositional arthroplasty using acellular dermal matrix in 4 patients (age 32 to 42 years) for the treatment of advanced ankle osteoarthritis. The primary findings included relief of pain, with improvement in tibiotalar joint range of motion from a mean of 16...
July 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28633778/results-of-hemicap-%C3%A2-implantation-as-a-salvage-procedure-for-osteochondral-lesions-of-the-talus
#14
Sarah Ettinger, Christina Stukenborg-Colsman, Hazibullah Waizy, Christoph Becher, Daiwei Yao, Leif Claassen, Yvonne Noll, Christian Plaass
Osteochondral defects (OCDs) of the talus remain a surgical challenge, especially after failed primary treatment. The aim of the present study was to examine the clinical outcomes after HemiCAP(®) implantation for OCDs of the medial talar dome after failed previous surgery. Our retrospective study included 11 patients, who had undergone surgery from June 2009 to September 2012 for an OCD of the medial talar dome and received a HemiCAP(®) on the talus after failed previous surgery for OCD. The data were acquired using patients' medical records and standardized questionnaires, including the Foot and Ankle Outcome Score (FAOS), University of California at Los Angeles (UCLA) activity score, EQ-5D, numerical rating scale (NRS), and Short-Form 36-item Health Survey (SF-36)...
July 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28558999/massive-osteochondral-lesion-of-the-talus-in-a-skeletally-immature-patient-associated-with-a-tarsal-coalition-and-valgus-hindfoot
#15
Pablo A I Slullitel, Maria L Tripodi, Santiago T Bosio, Miguel Puigdevall, Rubén Maenza
Rarely, osteochondral lesions of the talus occur without a history of trauma. Accurate interpretation of the mechanical load distributions onto the ankle leading to potential atraumatic cartilage damage must always be studied. The published data on the optimal treatment of talar osteochondral lesions in skeletally immature patients are scarce, especially when the lesions are associated with hindfoot malalignment. We describe the case of a pediatric female with an atraumatic osteochondral lesion of the talus associated with a talocalcaneal coalition and a valgus hindfoot, which we consider the first case to be reported...
November 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28509825/vascularized-pedicle-bone-grafting-from-the-cuboid-for-talar-osteonecrosis-results-of-a-novel-salvage-procedure
#16
James A Nunley, Kamran S Hamid
BACKGROUND: Osteonecrosis of the talar body represents a complex clinical challenge with treatment options currently limited to core decompression, vascularized and nonvascularized bone-grafting, total talar replacement, and hindfoot arthrodesis. Vascularized pedicle bone-grafting from the cuboid to the talus is a potential alternative to contemporary operative options for replacement of necrotic talar tissue with viable bone. We aimed to analyze functional and radiographic outcomes of vascularized pedicle bone-grafting from the cuboid for the treatment of talar osteonecrosis in a consecutive series of patients spanning a 12-year period...
May 17, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28419034/complications-and-functional-outcomes-after-pantalar-dislocation
#17
Kaeleen A Boden, Douglas S Weinberg, Heather A Vallier
BACKGROUND: Pantalar dislocations without associated talar fracture are rare and have high risks of complications, including infection, osteonecrosis, and posttraumatic osteoarthrosis. Limited information on later function exists. This study evaluated complications and outcomes following pantalar dislocation without talar fracture. METHODS: Nineteen patients were identified with open (n = 14) or closed (n = 5) pantalar dislocations without talar fracture. Ten male and 9 female patients with a mean age of 39...
April 19, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28410782/posterior-arthroscopic-tibiotalar-arthrodesis-anatomic-feasibility-study
#18
Louis Malekpour, Said Rahali, Damien Potage, Fabrice Duparc, Franck Dujardin, Xavier Roussignol
Anterior arthroscopic tibiotalar arthrodesis has been well codified. A posterior approach with the patient in prone position is indicated when the anterior approach is precluded by soft tissue issues or for a 1-step procedure associated with posterior subtalar fusion. In an anatomic study, we assessed the feasibility of posterior arthroscopic tibiotalar fusion and sought to determine the arthroscopy entry points, mortise cartilage freshening quality, and risk of osseous, tendinous, vascular, and neural complications...
July 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28405725/the-posterolateral-approach-for-fluoroscopy-guided-tibiotalar-joint-injection
#19
Vanja Varenika, Jacob Harter, Edwin Chu, Lynne Steinbach
OBJECTIVE: To report a novel technique for tibiotalar joint injection that utilizes a posterolateral approach, including indications and technical considerations. METHODS: The posterolateral approach for tibiotalar injection is similar to that used in posterior subtalar joint injections. Using this technique, the tibiotalar joint space is accessed by directing the needle anterosuperiorly beneath the fibula until the posterior aspect of the talar dome has been reached...
August 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28347196/distribution-of-subchondral-bone-puncture-strength-in-the-talus-and-tibial-plafond
#20
Slif D Ulrich, Brent G Parks, Michael A Tsai, Stuart D Miller
We investigated talus and tibial plafond subchondral bone puncture strength based on surface location. Puncture tests of the subchondral bone were performed in 9 equal zones on the articular surface of 12 cadaver specimens aged 49.1 years (range, 36-56 years). Compressive load was applied through a microfracture awl at 2 mm/min. Puncture strength was defined as the first load drop in load-deflection curves. In the talus, zone 1 (215 ± 91 N) and zone 2, the anterior medial and anterior middle zones, had significantly greater puncture strength than zones 7, 8, and 9, the posterior medial, middle, and lateral zones (104 ± 43 N, 115 ± 43 N, and 102 ± 35 N, respectively; P < ...
March 1, 2017: Foot & Ankle Specialist
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