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https://www.readbyqxmd.com/read/28736619/the-role-of-orthobiologics-in-foot-and-ankle-surgery-allogenic-bone-grafts-and-bone-graft-substitutes
#1
REVIEW
James Wee, Gowreeson Thevendran
Orthobiologics are biological substances that are used therapeutically for their positive effects on healing skeletal and soft-tissue injuries. The array of orthobiological products currently available to the foot and ankle surgeon is wide, and includes bone allografts, bone substitutes, growth factors, and chondral scaffolds. Nonetheless, despite the surge in interest and usage of orthobiologics, there remains a relative paucity of research addressing their specific applications in foot and ankle surgery. In this review, we attempt to provide an overview of the literature on commonly available allogenic bone grafts and bone substitutes...
June 2017: EFORT open reviews
https://www.readbyqxmd.com/read/28723779/can-operations-achieve-good-outcomes-in-elderly-patients-with-sanders-ii-iii-calcaneal-fractures
#2
Jun Su, Xuecheng Cao
The aim of this study was to compare the clinical effect of operative treatment and nonoperative treatment for elderly patients with Sanders II-III calcaneal fractures.The study consisted of 60 patients with Sanders II-III calcaneal fractures who were treated in our institution from January 2007 to April 2012. The clinical effect between the operative treatment group of 32 patients and the nonoperative treatment group of 28 patients was studied. Böhler angle, Gissane angle, subtalar joint motion, calcaneal width, and calcaneal height were measured before and after treatment, and these indexes were also measured on the uninjured foot...
July 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28673102/open-reduction-assisted-with-an-external-fixator-and-internal-fixation-with-calcaneal-locking-plate-for-intra-articular-calcaneal-fractures
#3
Hui Yao, Huading Lu, Huiqing Zhao, Lulu Lv, Gang Hou
BACKGROUND: The extensile lateral approach (ELA) has been considered to be a standard approach for displaced intra-articular calcaneal fractures (DICF) because it provides excellent exposure and allows direct reduction of the depressed posterior facet fragment. But continuous retraction during surgery needs sufficient manpower and may cause ischemia. Failure of rigid fixation of DICF will not allow for early weight bearing and may lead to a loss of reduction. To avoid these disadvantages, this study presents open reduction assisted with an external fixator and internal fixation with a calcaneal locking plate...
June 1, 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/28660328/radiological-study-of-the-secondary-reduction-effect-of-early-functional-exercise-on-displaced-intra-articular-calcaneal-fractures-after-internal-compression-fixation
#4
Wei Chen, Bo Liu, Hongzhi Lv, Yanling Su, Xiao Chen, Yanbin Zhu, Chenguang Du, Xiaolin Zhang, Yingze Zhang
PURPOSE: Early post-operative exercise and weight-bearing activities are found to improve the functional recovery of patients with displaced intra-articular calcaneal fractures (DIACFs). We hypothesized that early functional exercise after surgery might have a secondary reduction effect on the subtalar joint, in particular the smaller fracture fragments that were not fixed firmly. A prospective study was conducted to verify this hypothesis. METHODS: From December 2012 to September 2013, patients with unilateral DIACFs were enrolled and received a treatment consisting of percutaneous leverage and minimally invasive fixation...
June 28, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28639252/ethnic-variations-in-serum-25-oh-d-levels-and-bone-ultrasound-attenuation-measurements-in-blacks-and-whites
#5
Rosario Sakamoto, D Thorpe, R Knutsen, L Beeson, S Knutsen
Vitamin D deficiency is more common in Blacks, yet Blacks have lower prevalence of bone fragility fractures or osteoporosis than Whites. Broadband ultrasound attenuation (BUA) has been used to explore the association between serum 25(OH)D levels and bone quality in White and non-white populations. We investigated serum 25(OH)D status with corresponding BUA measurements assessed cross sectionally in a cohort of 232 Blacks and 260 Whites, aged 30-95 years who were part of the calibration study of the large Adventist Health Study-2 (AHS-2)...
June 21, 2017: Journal of Racial and Ethnic Health Disparities
https://www.readbyqxmd.com/read/28632666/change-in-calcaneal-bone-strength-in-long-term-care-residents-treated-with-low-intensity-pulsed-ultrasound
#6
Hiroyasu Okuizumi, Kiyoshi Koyano, Kazuya Kurosawa, Naoto Kamide, Ayako Soyano
OBJECTIVE: We examined the effect of low-intensity pulsed ultrasound (LIPUS) on bone strength in osteoporotic elderly residents. MATERIALS AND METHODS: This was a randomized controlled trial. Elderly residents with osteoporosis in a long-term care facility were treated with LIPUS (oscillation frequency 100 KHz) that involved treatment of the heel bone for 2 minutes a day. The selection of the treated heel was decided randomly with a personal computer. The heel bone mineral density before and after treatment was measured by calcaneal quantitative ultrasound (GE-1000 Express)...
July 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28619268/ankle-hindfoot-after-calcaneal-fractures-a-biomechanical-study
#7
Xu Can, Li Mingqing, Wang Chenggong, Li Kanghua, Liu Hua
INTRODUCTION: Both the overall shape of the calcaneus and anatomical reduction of joint congruity are important prognostic factors. However, there is a significant lack of biomechanical data supporting the clinical importance of calcaneus height, length and heel width. The objective of this study was to determine the effects of abnormal calcaneus morphology on ankle-hindfoot biomechanics. HYPOTHESIS: The normal biomechanics of the ankle-hindfoot would be severely disrupted by the abnormal calcaneus morphology...
June 12, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28616759/is-dual-semitendinosus-allograft-stronger-than-turndown-for-achilles-tendon-reconstruction-an-in-vitro-analysis
#8
Michael C Aynardi, Lara C Atwater, Roshan Melvani, Brent G Parks, Adrian G Paez, Stuart D Miller
BACKGROUND: Large Achilles tendon defects pose a treatment challenge. The standard treatment with a turndown flap requires a large extensile incision, puts the sural nerve at risk, and demands slow, careful rehabilitation. Dual allograft semitendinosus reconstruction is a new clinical alternative that has the theoretical advantages of a smaller incision, less dissection, and a stronger construct that may allow for faster rehabilitation. QUESTIONS/PURPOSES: In a cadaver biomechanical model, we compared the dual allograft semitendinosus reconstruction with the myofascial turndown in terms of (1) mechanical strength and resistance to deformation and (2) failure mechanisms in reconstruction of large segmental Achilles defects...
June 14, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28606789/plate-fixation-with-autogenous-calcaneal-dowel-grafting-proximal-fourth-and-fifth-metatarsal-fractures-technique-and-case-series
#9
Chad L Seidenstricker, Edward G Blahous, Richard T Bouché, Amol Saxena
Metaphyseal and proximal diaphyseal fractures of the lateral column metatarsals can have problems with healing. In particular, those involving the fifth metatarsal have been associated with a high nonunion rate with nonoperative treatment. Although intramedullary screw fixation results in a high union rate, delayed healing and complications can occur. We describe an innovative technique to treat both acute and chronic injuries involving the metatarsal base from the metaphysis to the proximal diaphyseal bone of the fourth and fifth metatarsals...
June 9, 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28603855/stress-fractures-of-the-calcaneus-diagnosed-by-sonography-report-of-8-cases
#10
Stefano Bianchi, Dien Hung Luong
We present a retrospective review of 8 patients (6 women and 2 men, with an age range of 46-80 years; mean age, 60.2 years) in whom sonography was used to diagnose a calcaneal stress fracture. Sonography was performed because of a clinical suspicion of soft tissue injuries. Two patients were first assessed by standard radiography; for the remaining patients, sonography was the first imaging technique used. Patients were subsequently examined by magnetic resonance imaging, except for 1 patient in whom the diagnosis was made only on a clinical-sonographic correlation...
June 12, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28594488/fractures-of-the-calcaneus
#11
Mark R Adams, John W Munz, Kenneth L Koury
Calcaneal fractures are potentially devastating injuries. To effectively manage calcaneal fractures, surgeons must understand the anatomy of the calcaneus as well as the surgical techniques necessary to restore normal biomechanics of the foot. Surgeons also must understand calcaneal fracture patterns and classifications; initial management techniques, surgical indications and rationale, temporizing management techniques, surgical approaches, definitive management techniques, and postoperative management for calcaneal fractures; as well as outcomes and common complications of calcaneal fractures...
February 15, 2017: Instructional Course Lectures
https://www.readbyqxmd.com/read/28594486/challenges-and-controversies-of-foot-and-ankle-trauma
#12
Cyrus E Taghavi, Michael Isiah Sandlin, David B Thordarson
Traumatic injury to the foot and ankle can result in long-term disability, which may have substantial negative implications on a patient's functional outcomes and quality of life. The diagnosis and appropriate management of these challenging injuries are not always agreed on or straightforward. In particular, the appropriate diagnosis and management of distal tibiofibular syndesmotic injuries as well as the surgical approach and role of primary subtalar arthrodesis for intra-articular calcaneal fractures are controversial...
February 15, 2017: Instructional Course Lectures
https://www.readbyqxmd.com/read/28587685/carotenoid-dietary-intakes-and-plasma-concentrations-are-associated-with-heel-bone-ultrasound-attenuation-and-osteoporotic-fracture-risk-in-the-european-prospective-investigation-into-cancer-and-nutrition-epic-norfolk-cohort
#13
Richard P G Hayhoe, Marleen A H Lentjes, Angela A Mulligan, Robert N Luben, Kay-Tee Khaw, Ailsa A Welch
Carotenoids are found in abundance in fruit and vegetables, and may be involved in the positive association of these foods with bone health. This study aimed to explore the associations of dietary carotenoid intakes and plasma concentrations with bone density status and osteoporotic fracture risk in a European population. Cross-sectional analyses (n 14 803) of bone density status, using calcaneal broadband ultrasound attenuation (BUA) and longitudinal analyses (n 25 439) of fracture cases were conducted on data from the prospective European Prospective Investigation into Cancer and Nutrition-Norfolk cohort of middle-aged and older men and women...
May 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/28565790/level-of-serum-undercarboxylated-osteocalcin-correlates-with-bone-quality-assessed-by-calcaneal-quantitative-ultrasound-sonometry-in-young-japanese-females
#14
Yoshio Suzuki, Asako Maruyama-Nagao, Keishoku Sakuraba, Sachio Kawai
The diagnostic criteria of osteoporosis were established based on bone mineral density (BMD). Therefore, BMD measured by dual energy X-ray absorptiometry has been recognized as the gold standard to diagnose osteoporosis. However, discrepancies between fracture risk and BMD have been recognized. Bone is composed of collagen scaffold reinforced by hydroxyapatite. Both protein scaffold and hydroxyapatite are involved in bone quality. BMD may indicate bone mineralization but potentially fail to assess the protein scaffold...
May 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28558765/sustentacular-screw-placement-with-guidance-during-orif-of-calcaneal-fracture-an-anatomical-specimen-study
#15
Chen Wang, Dichao Huang, Xin Ma, Xu Wang, Jiazhang Huang, Chao Zhang, Li Chen, Xiang Geng
BACKGROUND: The sustentacular screw is essential to maintain the stability of the subtalar joint during ORIF (open reduction with internal fixation) of calcaneal fractures. Currently, the screw is still inserted based on surgeons' anatomical experiences and nearly 40% of screws are misplaced from the sustentaculum. Previous studies demonstrated some methods of sustentacular screw placement through anatomical measurements or navigation system. The purposes of this study are to design an assistant guidance device that can effectively improve the accuracy of sustentacular screw placement and to compare the accuracy of this technique with traditional screw placement based on experience...
May 30, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28549622/multiple-abnormalities-in-the-feet-and-associated-changes-elsewhere-in-the-skeleton-the-case-of-3a-7-from-a-capsian-site-in-algeria
#16
M Jackes, M Parent, D Lubell
A skeleton with a number of abnormalities is described involving full discussion of alternative diagnoses. In this complex case, the primary diagnosis is of avulsion of the stem of the bifurcate ligament causing a fracture of the anterior process of the calcaneus. The bilateral fracture identified in Skeleton 3A-7 from Site 12, a Capsian site in Algeria, is a result of the feet being inverted and plantar flexed: the fracture is prone to non-union, which is asymmetrical here. There is also a separate anatomical variation of the feet, 3rd cuneiform and 3rd metatarsal coalition, which was not the cause of trauma...
May 5, 2017: Homo: Internationale Zeitschrift Für die Vergleichende Forschung Am Menschen
https://www.readbyqxmd.com/read/28538451/similar-anatomical-reduction-and-lower-complication-rates-with-the-sinus-tarsi-approach-compared-with-the-extended-lateral-approach-in-displaced-intra-articular-calcaneal-fractures
#17
Tim Schepers, Manouk Backes, Siem A Dingemans, Vincent M de Jong, Jan S K Luitse
OBJECTIVES: To investigate whether the sinus tarsi approach (STA) allows for a similar anatomical reduction of the posterior talocalcaneal facet as the extended lateral approach (ELA) and compare the rate of postoperative wound complications. DESIGN: Retrospective. SETTING: Level 1 trauma center. PATIENTS: All consecutive patients from 2012 to 2015 with a closed displaced intra-articular calcaneal fracture Sanders type II and III surgically treated with the ELA (N = 60) and the STA (N = 65)...
June 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28533860/-surgical-treatment-of-calcaneal-fractures-about-29-cases
#18
Badr El Alami, Aimane Naam, Mohamed Admi, Ilyas Rabhi, Mohamed Elbardai, Fawzi Boutayeb
Calcaneal fractures are infrequent but, more often, serious. We report a series of 29 cases of calcaneal fractures surgically treated in the Orthopaedics and Traumatology in the University Hospital (CHU) Hassan II of Fez. This retrospective study aims to present the principles and to evaluate the results of surgical treatment for articular fractures of the calcaneus, in comparison with conservative treatment. Our study included 21 men and 8 women, the average age was 21-61 years. Etiology was dominated by road traffic accidents as wel as by falls from a high place...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28507975/charcot-fracture-in-the-calcaneus-after-total-knee-arthroplasty-a-case-report
#19
Hirokazu Takai, Katsuhiko Kiyota, Nobutake Nakane, Tomoki Takahashi
INTRODUCTION: Only a few reports have described calcaneus fractures after total knee arthroplasty (TKA). Therefore, in this report, we describe a case of calcaneal avulsion fracture that occurred 5 weeks after a TKA in a relatively young male patient with syphilis. CASE REPORT: A 63-year-old man with syphilis had Charcot joint of the right knee. The patient developed severe varus deformity and contracture and experienced severe pain in the knee. TKA was performed to alleviate the pain and improve the patient's gait...
November 2016: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28501960/a-modified-minimally-invasive-technique-for-intra-articular-displaced-calcaneal-fractures-fixed-by-transverse-and-axial-screws
#20
K C Kapil Mani, Parimal Acharya, R C Dirgha Raj, Bandhu Ram Pangeni, Arun Sigdel, Suman Babu Marahatta
The management of displaced, intra-articular calcaneal fracture represents a surgical challenge to even an experienced orthopedic surgeon. Plate osteosynthesis using an extended lateral approach is complicated by soft tissue problems, while those treated by closed reduction and percutaneous pinning cannot address all the intra-articular fragments sufficiently. The objective of our study is to evaluate restoration of subtalar joint and long-term functional outcomes in intra-articular displaced calcaneal fractures treated with transverse subcondral screws through a small incision on lateral aspect of calcaneus and percutaneously placed axial screws through the calcaneal tuberosity...
May 13, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
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