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limb reconstruction

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https://www.readbyqxmd.com/read/28526560/limb-flexion-induced-axial-compression-and-bending-in-human-femoropopliteal-artery-segments
#1
William Poulson, Alexey Kamenskiy, Andreas Seas, Paul Deegan, Carol Lomneth, Jason MacTaggart
BACKGROUND: High failure rates of femoropopliteal artery (FPA) interventions are often attributed in part to severe mechanical deformations that occur with limb movement. Axial compression and bending of the FPA likely play significant roles in FPA disease development and reconstruction failure, but these deformations are poorly characterized. The goal of this study was to quantify axial compression and bending of human FPAs that are placed in positions commonly assumed during the normal course of daily activities...
May 16, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28522207/outcomes-of-post-traumatic-tibial-osteomyelitis-treated-with-an-orthofix-lrs-versus-an-ilizarov-external-fixator
#2
Yilizati Yilihamu, Ajimu Keremu, Alimujiang Abulaiti, Xiayimaierdan Maimaiti, Peng Ren, Aihemaitijiang Yusufu
OBJECTIVE: To compare the therapeutic effects of the Orthofix limb reconstruction system (LRS) versus the Ilizarov external fixator on osteomyelitis of a tibial bone defect. MATERIALS AND METHODS: Among 153 patients hospitalized for bone lengthening therapy from January 1, 1996 to January 1, 2015, 129 patients were selected for a retrospective analysis. Forty-three of the candidate patients were treated using the Orthofix LRS and the other 86 were treated using an Ilizarov external fixator...
May 3, 2017: Injury
https://www.readbyqxmd.com/read/28514510/injury-to-the-infrapatellar-branch-of-the-saphenous-nerve-during-tendon-graft-harvesting-for-knee-ligament-reconstruction-an-ultrasound-simulation-study
#3
Przemysław A Pękala, Ewa Miza, Brandon Michael Henry, Patrick Popieluszko, Marios Loukas, Krzysztof A Tomaszewski
INTRODUCTION: The clinical anatomy of the infrapatellar branch of the saphenous nerve (IPBSN) is of particular importance during operations in the area of the knee, especially when material for anterior cruciate ligament reconstruction is harvested. The nerve can easily be injured during the harvesting procedure, leading to postoperative complications that reduce quality of life. Three different skin incisions are commonly used during hamstring tendon harvesting: horizontal, vertical, and oblique...
May 17, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28514314/infected-tibia-defect-fractures-treated-with-the-masquelet-technique
#4
Julia Mühlhäusser, Jörg Winkler, Reto Babst, Frank J P Beeres
The treatment after open and infected fractures with extensive soft tissue damage and bone deficit remains a challenging clinical problem. The technique described by Masquelet, using a temporary cement spacer to induce a membrane combined with reconstructive soft tissue coverage, is a possible solution. This study describes the work-up, operative procedure, complications, and the outcome of a homogenous group of patients with an open and infected tibia fracture and segmental bone loss treated with the Masquelet technique (MT)...
May 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28509409/soft-tissue-reconstruction-and-salvage-of-infected-fixation-hardware-in-lower-extremity-trauma
#5
Hyuma A Leland, Alexis D Rounds, Karen E Burtt, Daniel J Gould, Geoffrey S Marecek, Ram K Alluri, Ketan M Patel, Joseph N Carey
BACKGROUND: Tibial fracture management may be complicated by infection of internal fixation hardware (iIFH) resulting in increased morbidity and amputation rate. When iIFH removal is not possible, salvage of the lower extremity is attempted through debridement, antibiotics, and vascularized soft tissue coverage. This study investigates lower extremity salvage with retention of iIFH. METHODS: Demographics, outcomes, and bacterial speciation in patients with tibial fractures at a level 1 trauma center from 2007 to 2014 were reviewed...
May 16, 2017: Microsurgery
https://www.readbyqxmd.com/read/28508770/romuald-w%C3%A4-g%C3%A5-owski-1876-1935-orthopaedic-surgeon-forgotten-pioneer-of-limb-saving-tumour-surgery
#6
Marek Durakiewicz, Mirosław Jabłoński, Aneta Zarębska
On May 16, 1914, The Lancet Journal published a paper by Romuald Węgłowski, a Polish-born professor of Moscow University, entitled "Malignant tumours of bones: a new method in conservative operative treatment." The idea of biological resection presented in the paper consisted in thermocoagulation of the apparently cancerous part of a bone with a jet of steam. According to the author, dead bone rid of live malignant cells reconstructed itself quickly, which helped to preserve the functionality of the organ without considerable limitations...
April 12, 2017: Ortopedia, Traumatologia, Rehabilitacja
https://www.readbyqxmd.com/read/28507873/inferior-limb-salvage-by-combined-free-tissue-transfer-and-the-crane-principle-revisited
#7
Alessandro Thione, Pedro C Cavadas
Aggressive treatment of ischemia of the lower extremities has decreased the number of amputations in both diabetic and nondiabetic patients; combined vascular reconstruction and microvascular free-flap transfer has been used to improve distal perfusion and cover large tissue defects caused by the critical limb ischemia during the past 30 years. We present our experience with a 71-year-old diabetic patient who underwent revascularization with a vascular bypass and a simultaneous microvascular flap reconstruction for limb salvage after domestic trauma...
April 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28507855/composite-arteriovenous-radial-conduit-flap-for-lower-limb-reconstruction
#8
Pedro C Cavadas, Burak Sercan Ercin, Alessandro Thione
In complex lower limb trauma, the healthy recipient vessels can be far from the defect to be reconstructed due to the usually high-energy injury sustained. The use of vein grafts, either directly or in the form of arteriovenous loops, is the usual solution in these cases. In the vein graft donor-depleted patient, other options are required; the composite arteriovenous radial conduit flap may be a useful resort in these situations.
April 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28507850/distally-based-sural-artery-peroneus-flap-dbspf-for-foot-and-ankle-reconstruction
#9
Ahmed Ali Ebrahiem, Raj Kumar Manas, Gustavo Vinagre
BACKGROUND: Reconstruction of soft-tissue defects in lower third of leg, ankle, and foot has been a challenge and reconstructive surgeons have been trying to innovate different flaps. To solve this issue, we propose a distally based sural artery peroneus flap (DBSPF) in which we include superficial portion of the peroneus brevis muscle and its blood supply with the peroneal artery distally. The aim of this study was to evaluate the functional outcome and its usefulness over conventional distal sural artery flap or other local options available...
April 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28507439/infrainguinal-open-reconstruction-a-review-of-surgical-considerations-and-expected-outcomes
#10
REVIEW
Sevan R Komshian, Kimberly Lu, Steven L Pike, Jeffrey J Siracuse
Infrainguinal arterial occlusive disease can lead to potentially disabling and limb-threatening conditions. Revascularization may be indicated for claudication, rest pain, or tissue loss. Although endovascular interventions are becoming more prevalent, open surgeries such as endarterectomy and bypass are still needed and performed regularly. Open reconstruction has been associated with postoperative morbidity, both at the local and at the systemic levels. Local complications include surgical site infections (SSIs 0-5...
2017: Vascular Health and Risk Management
https://www.readbyqxmd.com/read/28506157/motor-and-sensory-cortical-changes-after-contralateral-cervical-seventh-nerve-root-cc7-transfer-in-patients-with-brachial-plexus-injuries
#11
Ryosuke Kakinoki, Scott F M Duncan, Ryosuke Ikeguchi, Souichi Ohta, Manabu Nankaku, Hiroshi Sakai, Takashi Noguchi, Yukitoshi Kaizawa, Masao Akagi
BACKGROUND: Previous animal studies demonstrated that the sensory and motor functions in ipsilesional upper limbs that had been reconstructed by CC7 transfer eventually associated with the contralesional brain cortices that had originally mediated the functions of the ipsilesional upper limbs before brachial plexus injury (BPI). Our hypothesis was that the same findings would be seen in humans. METHODS: Four patients with total BPI treated with CC7 transfer were included...
June 2017: Journal of Hand Surgery Asian-Pacific Volume
https://www.readbyqxmd.com/read/28503937/assessment-of-tricalcium-phosphate-collagen-tcp-collagene-nanocomposite-scaffold-compared-with-hydroxyapatite-ha-on-healing-of-segmental-femur-bone-defect-in-rabbits
#12
Mahmoud Mohseni, Alireza Jahandideh, Gholamreza Abedi, Abolfazl Akbarzadeh, Saeed Hesaraki
Bone regeneration is an important objective in clinical practice and has been used for different applications. The aim of this study was to evaluate the effectiveness of nanocomposite tricalcium phosphate (TCP)/collagen scaffolds combined with hydroxyapatite scaffold for bone healing in surgery of femoral defects in rabbits. In this study, 45 mature male New Zealand white rabbits between 6 and 8 months old and weighting between 3 and 3.5 kg were examined. Rabbits were divided into three groups. Surgical procedures were performed after intramuscular injection of Ketamine 10% (ketamine hydrochloride, 50 mg/kg) and Rompun 5% (xylazine, 5 mg/kg)...
May 14, 2017: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/28502890/a-quantitative-approach-to-understanding-vertebrate-limb-morphogenesis-at-the-macroscopic-tissue-level
#13
REVIEW
Takayuki Suzuki, Yoshihiro Morishita
To understand organ morphogenetic mechanisms, it is essential to clarify how spatiotemporally-regulated molecular/cellular dynamics causes physical tissue deformation. In the case of vertebrate limb development, while some of the genes and oriented cell behaviors underlying morphogenesis have been revealed, tissue deformation dynamics remains incompletely understood. We here introduce our recent work on the reconstruction of tissue deformation dynamics in chick limb development from cell lineage tracing data...
May 11, 2017: Current Opinion in Genetics & Development
https://www.readbyqxmd.com/read/28502548/lifelong-limb-preservation-a-patient-centered-description-of-lower-extremity-arterial-reconstruction-outcomes
#14
Katie E Shean, Peter A Soden, Marc L Schermerhorn, Sara L Zettervall, Sarah E Deery, Jeremy D Darling, Allen Hamdan, Frank W LoGerfo
BACKGROUND: Life expectancy is short for patients with critical limb ischemia (CLI), many of whom may fear amputation more than death. In light of the reduced life expectancy of these patients, the traditional 5-year freedom from amputation (FFA) statistic may not accurately address their concern. We developed a more relevant patient-centered calculation of major amputation risk during a patient's remaining lifetime to better answer the question, Will I ever lose my leg? METHODS: We identified all limbs undergoing first-time intervention for CLI in a large institutional database from 2005 to 2013...
May 11, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28499343/knee-loading-deficits-during-dynamic-tasks-in-individuals-following-acl-reconstruction
#15
Kristamarie A Pratt, Susan M Sigward
Study Design Controlled laboratory study, cross-sectional. Background Well documented deficits in sagittal plane knee loading, during dynamic tasks indicate individuals limit the magnitude of knee loading following anterior cruciate ligament reconstruction (ACLR). It is unknown how these individuals modulate the speed of knee flexion during loading, which is particularly important as they progress to running during rehabilitation. Objective To investigate how individuals following anterior cruciate ligament reconstruction perform dynamic knee loading tasks compared to healthy controls...
May 12, 2017: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/28495540/results-of-the-french-multicentric-study-of-anaconda-tm-fenestrated-endografts-in-the-treatment-of-complex-aortic-pathologies-efefa-registry
#16
Dominique Midy, Jean-Pierre Becquemin, Claude Mialhe, Nicolas Frisch, Robert Martinez, Caroline Caradu
BACKGROUND: Most of the experience on fenestrated endovascular aneurysm repair (F-EVAR) involves the custom-made Zenith® endograft (Cook). The fenestrated Anaconda® endograft (Vascutek) was introduced with the potential advantages of complete repositioning and lack of stent material on the main aortic body for more versatility. However, few data are available. Our objective was to assess its mid-term results in the treatment of complex aortic aneurysms. METHODS: Consecutive patients treated with the custom-made Fenestrated Anaconda® Endograft in France and the Principality of Monaco, from December 2010 to October 2015, were included...
May 8, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28493074/corrective-osteotomies-of-the-lower-limb-show-a-low-intra-and-perioperative-complication-rate-an-analysis-of-1003-patients
#17
Maximilian Schenke, Jörg Dickschas, Michael Simon, Wolf Strecker
PURPOSE: The purpose of corrective osteotomies in posttraumatic and congenital deformities is anatomic limb reconstruction and joint preservation. The aim of the present study was to analyse intra- and perioperative complications of osteotomies in the lower limb. METHODS: One thousand and three unselected and prospectively registered osteotomies of the long bones of the lower limb, performed between 1995 and 2013, were analysed. In 435 women and 568 men (mean age 39...
May 10, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28491439/mycobacterial-panniculitis-caused-by-mycobacterium-thermoresistibile-in-a-cat
#18
Polina Vishkautsan, Krystle L Reagan, M Kevin Keel, Jane E Sykes
CASE SUMMARY: A domestic shorthair cat was evaluated for chronic, bilateral, ulcerative dermatitis affecting the inguinal region and lateral aspects of both pelvic limbs. Histopathologic examination of skin biopsies collected throughout the course of disease revealed chronic pyogranulomatous ulcerative dermatitis. Aerobic bacterial skin cultures yielded growth of a methicillin-resistant Staphylococcus aureus and Corynebacterium amycolatum. Upon referral the clinical findings were suggestive of a non-tuberculous Mycobacterium species infection...
July 2016: JFMS Open Rep
https://www.readbyqxmd.com/read/28489779/epidural-hematoma-after-total-hip-arthroplasty-in-ankylosing-spondylitis-patient-a-case-report-and-review-of-the-literature
#19
Jia Li, Ke Qi, Yongjin Zhang, Chenchen Xue, Weidong Xu
RATIONALE: Ankylosing spondylitis (AS) can affect the hip joint, causing deformity and disability. Total hip arthroplasty can obviously relieve the pain of the hip joint, and reconstruct the function of hip joint. Epidural anesthesia in this patient population has high risk of epidural hematoma, but the reason is unclear. PATIENT CONCERNS: A 44-year-old man diagnosed with AS underwent total hip arthroplasty. DIAGNOSES: Six days after operation, he was diagnosed epidural hematoma...
May 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28489628/lengthening-of-newly-formed-humerus-after-autologous-fibula-graft-transplantation-following-intercalary-tumor-resection
#20
Hakan Pilge, Martin Ruppert, Bernd Bittersohl, Bettina Westhoff, Rüdiger Krauspe
Secondary limb lengthening after intercalary bone resection in pediatric patients is still challenging. After the resection, a free fibula autograft can be used to reconstruct the osseous gap. However, in particular in young pediatric patients, insufficient growth of the epiphyseal plate after transplantation may lead to a significant limb-length discrepancy (LLD). In this case, the autograft was used for limb lengthening. We report on the lengthening of a humerus regenerate after fibula autograft transplantation into a humeral defect in a pediatric/young adolescent patient...
May 5, 2017: Journal of Pediatric Orthopedics. Part B
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