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Posterior tibial

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https://www.readbyqxmd.com/read/28729774/clinical-applications-of-free-medial-tibial-flap-with-posterior-tibial-artery-for-head-and-neck-reconstruction-after-tumor-resection
#1
Qi Zhong, Jugao Fang, Zhigang Huang, Xiaohong Chen, Lizhen Hou, Yang Zhang, Pingdong Li, Hongzhi Ma, Hongbo Xu
Tumor resection causes damage in the head and neck which creates problems in swallowing, chewing, articulation, and vision, all of which seriously affect patients' quality of life. In this work, we evaluated the application of a free medial tibial flap in reconstruction of head and neck defects after tumor resection. We discussed the anatomy, surgical technique, and the advantages and disadvantages of the flap. We found several benefits for the flap, such as, it is especially effective for the defects that require thin-layer epithelium to cover or the separated soft tissue defect; a two-team approach can be used because the donor site is far away from the head and neck; and the flap is easy to integrate because of the subcutaneous fat layer of the free medial tibial flap is thin and the flap is soft...
June 2017: Chinese Journal of Cancer Research, Chung-kuo Yen Cheng Yen Chiu
https://www.readbyqxmd.com/read/28726265/how-to-havest-the-greatest-length-of-tibialis-posterior-tendon-in-tibialis-posterior-tendon-transfer-a-cadaveric-study
#2
Korakot Thamphongsri, Thos Harnroongroj, Atthakorn Jarusriwanna, Bavornrit Chuckpaiwong
INTRODUCTION: In anterior transfer of the tibialis posterior tendon, the tendon was harvested using two incisions, the first at its attachment point on the navicular bone and second on the medial side of the leg above the medial malleolus. To provide the maximum tendon length, the second incision needs to be as proximal as possible but injury to the muscle origin must be avoided. The purpose of this study is to establish the location of the second incision that yields the greatest tendon length...
July 20, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28724780/a-reduced-somatosensory-gating-response-in-individuals-with-multiple-sclerosis-is-related-to-walking-impairment
#3
David J Arpin, James E Gehringer, Tony W Wilson, Max J Kurz
When identical stimuli are presented in rapid temporal succession, neural responses to the second stimulation are often weaker than that observed for the first. This phenomenon is termed sensory gating and is believed to be an adaptive feature that helps prevent higher-order cortical centers from being flooded with unnecessary information. Recently, sensory gating in the somatosensory system has been linked to deficits in tactile discrimination. Additionally, studies have linked poor tactile discrimination with impaired walking and balance in individuals with multiple sclerosis (MS)...
July 19, 2017: Journal of Neurophysiology
https://www.readbyqxmd.com/read/28723758/total-knee-arthroplasty-conversion-after-a-failed-lateral-closing-wedge-high-tibial-osteotomy-with-knee-hyperextension-and-secondary-ankle-degeneration-a-case-report
#4
Chen Yao, Xingquan Xu, Sheng Zhou, Xiaoxiao Song, Dongquan Shi, Qing Jiang
RATIONALE: High tibial osteotomy (HTO) has been used widely for medial compartment knee osteoarthritis to correct the deformity and relieve symptoms, especially in young patients who are willing to maintain the high activity level. However, the change of bone morphology, ligament imbalance, limb malalignment, and other complications may influence the short-term outcomes of HTO. Some cases may even require conversion to TKA shortly after HTO because of the loss of correction or pain due to accelerated osteoarthritis...
July 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28721498/functional-outcome-of-intra-articular-tibial-plateau-fractures-the-impact-of-posterior-column-fractures
#5
Juriaan van den Berg, Maike Reul, Menno Nunes Cardozo, Anastasiya Starovoyt, Eric Geusens, Stefaan Nijs, Harm Hoekstra
ABASTRACT: INTRODUCTION: Although regularly ignored, there is growing evidence that posterior tibial plateau fractures affect the functional outcome. The goal of this study was to assess the incidence of posterior column fractures and its impact on functional outcome and general health status. We aimed to identify all clinical variables that influence the outcome and improve insights in the treatment strategies. METHODS: A retrospective cohort study including 218 intra-articular tibial plateau fractures was conducted...
July 18, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28713713/reverse-peroneal-artery-flap-for-large-heel-and-sole-defects-a-reliable-coverage
#6
Yogesh C Bhatt, Sumer Singh, Piyush Doshi, Sanjay G Vaghani
BACKGROUND: Large soft tissue defects of ankle and foot always have been challenging to reconstruct. Reverse sural flaps, free flaps have been used for this problem with variable success. Reverse peroneal artery flap is an option to use with reliability without microvascular repair. Connections of peroneal artery around talus and ankle joint are deep and reliable with anterior tibial and posterior tibial artery. Arterial inflow and venous drainage improved with including short saphenous vein and reverse sural artery in the flap...
May 2017: World Journal of Plastic Surgery
https://www.readbyqxmd.com/read/28706828/accurate-positioning-of-femoral-and-tibial-tunnels-in-single-bundle-anterior-cruciate-ligament-reconstruction-using-the-indigenously-made-bernard-and-hurtle-grid-on-a-transparency-sheet-and-c-arm
#7
Sudeep Kumar, Anup Kumar, Ravi Kumar
Many factors determine the outcome of the anterior cruciate ligament reconstruction surgery. The single most important factor, also well within the control of a surgeon, is tunnel placement. It is difficult to accurately determine the center of the anterior cruciate ligament foot print, and many a times it is also difficult to accurately define the intercondylar and bifurcate ridge. This makes determination of the accurate entry point of the guidewire difficult. We have printed our indigenously formed grid (equidistant boxes) on an old-fashioned transparency sheet...
June 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28706822/endoscopic-fasciotomy-of-the-superficial-and-deep-posterior-compartments-of-the-leg
#8
Tun Hing Lui
Chronic exertional compartment syndrome is a rare cause of lower leg pain incurred during sports activities and typically affects young athletes who need to return to their activity level as quickly as possible. Nonoperative treatments are often unsuccessful and fasciotomy of the involved compartment is the treatment of choice. Endoscopically assisted release of the anterior and deep compartments is proven to be safe and effective. Endoscopically assisted deep posterior compartment release via an incision 1 to 3 cm behind the medial tibial border has high risk of injury to the great saphenous and perforating veins and the saphenous nerve...
June 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28706808/transosseous-posterior-meniscal-root-reinsertion-using-knotless-anchor-for-tibial-fixation
#9
Alejandro Espejo-Baena, Alejandro Espejo-Reina, María Josefa Espejo-Reina, María Belén Martín-Castilla, Jaime Dalla-Rosa Nogales, Enrique Sevillano-Pérez
A technique for posterior meniscal root reinsertion is presented. With the arthroscope in the central transtendinous portal for a better view, a 5-mm transtibial tunnel is created with the aid of an anterior cruciate ligament guide open to 45°. A suture device, which consists of a long needle with an eyelet on its tip, is introduced through the tunnel with a suture thread inserted through the eyelet, while the meniscus is stabilized with a grasper inserted through the anterior portal. The meniscus is pierced with the device, and the suture thread is recovered with said grasper...
June 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28706802/medial-meniscus-posterior-root-tear-repair-using-a-2-simple-suture-pullout-technique
#10
Tarek Mohamed Samy, Wael A M Nassar, Zeiad Mohamed Zakaria, Ahmed Khaled Farrag Abdelaziz
Medial meniscus posterior root tear is one of the underestimated knee injuries in terms of incidence. Despite its grave sequelae, using simple but effective technique can maintain the native knee joint longevity. In the current note, a 2-simple-suture pullout technique was used to effectively reduce the meniscus posterior root to its anatomic position. The success of the technique depended on proper tool selection as well as tibial tunnel direction that allowed easier root suturing and better suture tensioning, without inducing any iatrogenic articular cartilage injury or meniscal tissue loss...
June 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28706793/medial-meniscus-posterior-root-repair-using-a-transtibial-technique
#11
Jarret M Woodmass, Rohith Mohan, Michael J Stuart, Aaron J Krych
The meniscal roots are critical in maintaining the normal shock absorbing function of the meniscus. If a meniscal root tear is left untreated, meniscal extrusion can occur rendering the meniscus nonfunctional resulting in degenerative arthritis. Two main repair techniques are described: (1) suture anchors (direct fixation) and (2) sutures pulled through a tibial tunnel (indirect fixation). Meniscal root repair using a suture anchor technique is technically challenging requiring a posterior portal and a curved suture passing device that can be difficult to manipulate within the knee...
June 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28705403/symptomatic-lower-limb-giant-cell-arteritis-characteristics-management-and-long-term-outcome
#12
C Le Hello, L Auboire, L Berger, D Gouicem, M T Barrellier, S Duthois
OBJECTIVE: To describe characteristics and long-term outcomes of the rare symptomatic lower-limb giant-cell arteritis (LL-GCA). METHODS: Retrospective analysis of 8 patients (6 women; mean±SD age, 63.6±10.9 years; follow-up, 137.3±57.3 months). RESULTS: Four patients satisfied≥3 American College of Rheumatology (ACR) GCA-classification criteria; 4 had<3 criteria and histological LL-GCA proof or associated typical upper-limb involvement...
May 2017: J Med Vasc
https://www.readbyqxmd.com/read/28705341/-is-ultrasound-guidance-contributive-to-vascular-access-in-endovascular-therapy
#13
B Dakhil, F Couineau, J Hernigou, J Bardet, E Tella, P Bagan
OBJECTIVES: The aim of this study was to evaluate the contribution of ultrasound guidance (UG) to vascular puncture in endovascular therapy. Ultrasound guidance was evaluated by comparison with the rates of failures and complications of the traditional techniques of percutaneous vascular access. MATERIALS AND METHODS: We reviewed all the consecutive percutaneous revascularizations (percutaneous transluminal angioplasty and/or stenting, treatment of aneurysms and vascular traumatisms) since the standardization of the systems of closing (extra- and endovascular)...
July 2017: J Med Vasc
https://www.readbyqxmd.com/read/28698915/surgical-treatment-of-stage-ii-posterior-tibialis-tendon-dysfunction-ten-year-clinical-and-radiographic-results
#14
Alberto Ruffilli, Francesco Traina, Sandro Giannini, Roberto Buda, Fabrizio Perna, Cesare Faldini
INTRODUCTION: Grade II chronic tibialis posterior tendon dysfunction (PTTD) poses a reconstructive challenge to the orthopaedic surgeon. Aim of this retrospective study is to report the clinical and radiographical results of a case series of 63 patients (102 ft) affected by grade II PTTD who underwent tailored surgical treatment at 10-year mean follow-up. MATERIALS AND METHODS: Sixty-three patients (102 ft) were available for clinical and radiological evaluation and were retrospectively reviewed at a mean follow-up of 125...
July 11, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/28697881/incarceration-of-the-posterior-tibial-tendon-in-an-isolated-comminuted-medial-malleolus-fracture
#15
David Jaffe, Matthew W Christian, Annie Weber, R Frank Henn
Isolated medial malleolar fractures are a less common presentation of an ankle fracture. Treatment is not universally accepted, although many have agreed that any displacement warrants anatomic reduction and fixation. We present a case of an isolated, comminuted medial malleolar fracture that was displaced secondary to entrapment of the posterior tibial tendon between the fracture fragments requiring surgical intervention. The patient was treated with prompt open reduction and internal fixation and had an excellent functional outcome at 1 year...
July 8, 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28696495/robotic-arm-assisted-total-knee-arthroplasty-demonstrated-soft-tissue-protection
#16
Anton Khlopas, Morad Chughtai, Emily L Hampp, Laura Y Scholl, Michael Prieto, Ta-Cheng Chang, Abdullah Abbasi, Manoshi Bhowmik-Stoker, Jason Otto, David J Jacofsky, Michael A Mont
INTRODUCTION: While total knee arthroplasty (TKA) procedures have demonstrated clinical success, occasionally intraoperative complications can occur. Collateral or posterior cruciate ligament injury, instability, extensor mechanism disruption, and tibiofemoral or patellofemoral dislocation are among a few of the intraoperatively driven adverse events prevalently ranked by The Knee Society. Robotic-arm assisted TKA (RATKA) provides a surgeon the ability to three-dimensionally plan a TKA and use intraoperative visual, auditory, and tactile feedback to ensure that only the desired bone cuts are made...
July 11, 2017: Surgical Technology International
https://www.readbyqxmd.com/read/28691144/risk-of-vascular-injury-when-screw-drilling-for-tibial-tuberosity-transfer
#17
Jacques Hernigou, Esfandiar Chahidi, Mahine Kashi, Eric Moest, Bassel Dakhil, Georges Hayek, Antoine Callewier, Frederic Schuind, Olivier Bath
PURPOSE: During tibial tubercle transfer, popliteal vessels are at risk from drills and screws. The risk is around 0.11%, as described in the literature. We reviewed knee injected CT scan for analysis of the location of arteries, identified landmarks allowing minimizing risks, and defined a safe zone. MATERIAL AND METHOD: Distances between the posterior cortex and arteries were measured on CT scans from 30 adults (60 knees) at three levels (proximal part of the tibial tuberosity, 20 mm and 40 mm distally)...
July 9, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28690046/kinematic-behavior-of-a-customized-surface-guided-knee-implant-during-simulated-knee-bending
#18
Shabnam Pejhan, Eric Bohm, Jan-Mels Brandt, Trevor Gascoyne, Urs Wyss
Different designs of total knee replacements (TKRs) aim to enhance the satisfaction of the patients by providing close to normal kinematics. In the surface-guided TKRs, the guidance of the motion in a normal pattern should be achieved through specially shaped articulating geometries. This study used virtual simulation along with a load-controlled knee wear simulator to evaluate the kinematic performance of a customized surface-guided TKR under weight-bearing conditions of lunging and squatting activities. The outcome pattern of TKR motion almost agreed with the predefined design target...
July 6, 2017: Medical Engineering & Physics
https://www.readbyqxmd.com/read/28685399/reliability-of-a-four-column-classification-for-tibial-plateau-fractures
#19
Alfredo Martínez-Rondanelli, Sara Sofía Escobar-González, Alejandro Henao-Alzate, Juan Pablo Martínez-Cano
PURPOSE: A four-column classification system offers a different way of evaluating tibial plateau fractures. The aim of this study is to compare the intra-observer and inter-observer reliability between four-column and classic classifications. METHODS: This is a reliability study, which included patients presenting with tibial plateau fractures between January 2013 and September 2015 in a level-1 trauma centre. Four orthopaedic surgeons blindly classified each fracture according to four different classifications: AO, Schatzker, Duparc and four-column...
July 7, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28682811/posterior-tibial-artery-as-an-alternative-to-the-radial-artery-for-arterial-cannulation-site-in-small-children-a-randomized-controlled-study
#20
Eun-Hee Kim, Ji-Hyun Lee, In-Kyung Song, Jin-Tae Kim, Won-Jong Lee, Hee-Soo Kim
BACKGROUND: We evaluated the posterior tibial artery as an alternative arterial cannulation site to the radial artery in small children. METHODS: A two-stage study was conducted. First, we evaluated the anatomical characteristics of the posterior tibial artery compared with the radial and dorsalis pedis arteries. Next, a parallel-arm single-blind randomized controlled study compared the initial success rate of ultrasound-guided arterial cannulation among three arteries as a primary outcome...
July 5, 2017: Anesthesiology
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