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distal femoral fracture

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https://www.readbyqxmd.com/read/29673552/fracture-of-cobalt-chrome-fully-coat-beaded-femoral-revision-long-stem-a-clinical-outcomes-study
#1
Chih-Hsiang Chang, Po-Chun Lin, Cheng-Min Shih, Chun-Chieh Chen, Pang-Hsin Hsieh, Hsin-Nung Shih
BACKGROUND: Femoral bone loss during revision total hip arthroplasty poses a challenging problem. Bypass fixation over the diaphysis has achieved clinical success in cases of proximal femoral bone loss. Fracture of cementless, fully bead-coated femoral stem is an uncommon complication. The purpose of this study is to analyze the patients with and without fracture stem and find out the possible risk factors. METHODS: From 2006 to 2012, a total of 251 revision long stems (Zimmer, Warsaw, IN) were implanted...
February 2018: Biomedical Journal
https://www.readbyqxmd.com/read/29660737/treatment-of-a-paediatric-distal-femoral-malunion-deformity
#2
Greta S Pavarotti, Randy J Boudrieau
OBJECTIVE:  The aim of this article was to describe the surgical re-alignment technique and stabilization of a distal femoral deformity in a 6-week-old, male, Foxhound. METHODS:  A healing metaphyseal fracture, resulting in a valgus deformity with internal rotation, was observed just proximal to the distal femoral physis. The deformity was treated by an opening wedge osteotomy with lateral translation and external rotation of the distal epiphysis using a guide-wire technique; a corticocancellous allograft bridged the defect, which was stabilized with a 2...
April 16, 2018: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://www.readbyqxmd.com/read/29657465/do-demographic-and-perioperative-parameters-really-affect-the-final-outcomes-of-pediatric-femur-shaft-fractures-managed-by-elastic-nails-a-prospective-study
#3
Abhinandhan Reddy, Narendran Pushpasekaran, Jitendra Singh, Gokul Chand Verma, Sathyamurthy Palanisamy
Objective: Pediatric femoral shaft fractures are more commonly treated with intramedullary titanium elastic nail system (TENS). Adhering to the principles, most studies had supported excellent results with this instrumentation and attributed the variation in age, weight, immobilization protocols, technical factors like fracture pattern, reduction and complications as reasons to poor outcomes in their individual studies. Hence, we wanted to identify the potential demographic and perioperative parameters that could affect the final outcomes in this cohort...
March 2018: Journal of Orthopaedics
https://www.readbyqxmd.com/read/29657443/healing-of-femoral-fractures-by-the-meaning-of-an-innovative-intramedullary-nail
#4
V Filardi
In this paper, an innovative design of nail, conceived to heal fractures of long bones has been investigated. Its functioning is based essentially on sliding of conical surfaces located in a spindle and in a series of holding pins radially disposed around it. Spindle and holding pins are connected together by means of a sleeve. Medial and distal screws are not necessary. Rotational and longitudinal motions of the spindle are transformed in a radial expansion of the holding pins by the sliding of conical surfaces...
March 2018: Journal of Orthopaedics
https://www.readbyqxmd.com/read/29627850/clinical-outcomes-with-the-corticotomy-first-technique-associated-with-the-ilizarov-method-for-the-management-of-the-septic-long-bones-non-union
#5
Gamal Ahmed Hosny, Abdel-Salam Abdel-Aleem Ahmed, Mohamed Abd-Elaal Hussein
PURPOSE: Corticotomy is an integral part of the Ilizarov method on management of infected nonunited fractures that are challenging orthopaedic surgeons. However, the presence of active draining sinuses may contaminate the operative field with the potential of developing corticotomy site infection. The authors present a surgical technique aiming at minimizing or avoiding the risk of surgical site infection (SSI) in the corticotomy zone. PATIENTS AND METHODS: A total of 144 cases of draining infected nonunions were treated by Ilizarov fixator using the corticotomy-first technique...
April 7, 2018: International Orthopaedics
https://www.readbyqxmd.com/read/29618147/where-is-the-target-point-to-prevent-cortical-hinge-fracture-in-medial-closing-wedge-distal-femoral-varus-osteotomy
#6
Kyung-Wook Nha, Yong Suk Chang, Oog-Jin Shon, Bum-Jin Shim, Jong Seong Lee, Jun Seop Song, Ji-Hoon Bae
The purpose of this study was to investigate whether the location of the hinge affects the incidence of hinge fracture during medial closing-wedge distal femoral varus osteotomy (DFVO). Twenty knees from 10 fresh-frozen human cadavers (mean age, 75 ± 17 years) were used to perform uniplanar medial closing-wedge DFVO with a 7-mm wedge. Each specimen was randomly assigned to either group A (supracondylar hinge) or group B (lateral condylar hinge). The incidence of hinge fracture and stability was compared between both groups after uniplanar medial closing-wedge DFVO...
April 4, 2018: Journal of Knee Surgery
https://www.readbyqxmd.com/read/29608134/hip-stem-fatigue-the-implications-of-increasing-patient-mass
#7
Ashley P Westerman, Andrew R Moor, Martin H Stone, Todd D Stewart
General trends of increasing body mass index have been observed in many western countries along with an increasing demand for joint replacement. Standards have been developed for testing the fatigue properties of femoral stems; however, the loads that these apply are based on a historic patient weight and may not be valid in the current patient population. Several fatigue tests were conducted using distally fixed titanium alloy stems positioned according to the ISO standard but with a cyclic load based on a current 75th percentile patient sample...
March 1, 2018: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
https://www.readbyqxmd.com/read/29588023/managing-soft-tissues-in-severe-lower-limb-trauma-in-an-ageing-population
#8
Timothy M Noblet, Philippa C Jackson, Patrick Foster, David Martin Taylor, Paul J Harwood, Jay D Wiper
PURPOSE: With an ageing population, the incidence of trauma in those aged over 65 years is increasing. Strategies for dealing with these patients must be developed. At present the standard management of open tibial fractures in the UK is described by the BOAST4 guidelines (from the British Orthopaedic Association and British Association of Plastic & Aesthetic Surgeons). It is not clear to what extent these are appropriate for older patients. We describe our experience of managing elderly patients presenting with open tibial fractures...
March 13, 2018: Injury
https://www.readbyqxmd.com/read/29587147/load-transfer-and-periprosthetic-fractures-after-total-hip-arthoplasty-comparison-of-periprosthetic-fractures-of-femora-implanted-with-cementless-distal-load-or-proximal-load-femoral-components-and-measurement-of-the-femoral-strain-at-the-time-of-implantation
#9
E Schwarz, G Reinisch, A Brandauer, S Aharinejad, W Scharf, K Trieb
BACKGROUND: Little is known about the causes and mechanisms underlying periprosthetic fractures around femoral components particularly in relation to the stem design. In an in vitro study 20 pairs of fresh cadaveric femora were loaded to fracture axially and transversally. FINDINGS: When proximal femoral strain was measured at the time of impaction of cementless stems the load transfer was determined by the underlying anatomy rather than by the shape of the stem, so that the so-called "load transfer" properties - proximal or distal - ascribed to stem designs are a myth...
March 21, 2018: Clinical Biomechanics
https://www.readbyqxmd.com/read/29582942/-fluoroscopic-based-navigation-in-orthopaedic-trauma-a-review-of-a-large-center-s-experience
#10
Yoram A Weil, Meir Liebergall, Rami Mosheiff, Amal Khoury
INTRODUCTION: Computer Assisted Orthopaedic Surgery (CAOS) was introduced in the late 1990's and early 2000's. Since then its application in orthopaedic trauma has been utilized mainly as augmented fluoroscopy for intraoperative navigation. From 2010 our center implemented an advanced system allowing further expansion of this technology. AIMS: The aim of this study was to describe the experience with an advanced fluoroscopic based CAOS system in our center. METHODS: The BrainLabTM Trauma 3...
March 2018: Harefuah
https://www.readbyqxmd.com/read/29566986/fractures-of-the-femur-and-blood-transfusions
#11
Adam Wertheimer, Alexander Olaussen, Shanaka Perera, Susan Liew, Biswadev Mitra
BACKGROUND: Blood loss estimation after trauma (i.e. physical injury) and early identification of potential sources of bleeding are important for planning of investigation and management of trauma. Long bone fractures have been reported to be associated with substantial volumes of blood loss requiring blood transfusion. The aim of this study was to assess rates and amounts of blood transfusion in the setting of isolated extra capsular femur fractures and to determine variables associated with the need for transfusion within the first 48 h of admission...
March 7, 2018: Injury
https://www.readbyqxmd.com/read/29564374/early-fracture-of-the-modular-neck-of-a-modulus-femoral-stem
#12
Katsufumi Uchiyama, Takeaki Yamamoto, Mitsutoshi Moriya, Kensuke Fukushima, Yojiro Minegishi, Naonobu Takahira, Masashi Takaso
We present the case of a 46-year-old woman who underwent revision surgery approximately 4 years after total hip arthroplasty because of a fracture of the modular neck of a MODULUS femoral stem. The fractured surfaces of the retrieved implant were inspected using optical and scanning electron microscopy. Three-dimensional finite element analysis was also performed to identify the stresses that might have caused the failure. We concluded that active, obese patients who are implanted with a high-offset, small-sized modular component could experience stress-induced fractures of the modular neck, with proper fixation and osseointegration of the distal stem, especially if residual bone or tissue is present on the inner surface of the neck that could contribute to micromovement and decreased proximal fixation...
June 2017: Arthroplasty Today
https://www.readbyqxmd.com/read/29559667/comparison-of-clinical-efficacy-of-lateral-and-lateral-and-medial-double-plating-fixation-of-distal-femoral-fractures
#13
Zhibiao Bai, Shichang Gao, Zhenming Hu, Anlin Liang
The present study was performed to compare the clinical efficacy of lateral plate and lateral and medial double-plating fixation of distal femoral fractures and explore the indication of lateral and medial double-plating fixation of the distal femoral fractures. From March 2006 to April 2014, 48 and 12 cases of distal femoral fractures were treated with lateral plate (single plate) and lateral and medial plates (double plates), respectively. During the surgery, after setting the lateral plate for the distal femoral fractures, if the varus stress test of the knee was positive and the lateral collateral ligament rupture was excluded, lateral and medial double-plating fixation was used for the stability of the fragments...
March 20, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29549401/lateral-locked-plating-for-distal-femur-fractures-by-low-energy-trauma-what-makes-a-difference-in-healing
#14
Sang-Min Kim, Jae-Woo Yeom, Hyung Keun Song, Kyu-Tae Hwang, Ji-Hyo Hwang, Je-Hyun Yoo
PURPOSE: The objective of this study is to investigate healing outcome of lateral locked plating for distal femoral fractures caused by low-energy trauma. In addition, we sought to determine predictable factors associated with fracture healing time. METHODS: Seventy-three patients (73 fractures) with distal femur fractures (AO/OTA type 33) caused by low-energy trauma were recruited. The mean age of patients was 69.8 years (range, 43-87 years). All fractures were stabilized by less invasive osteosynthesis with anatomical periarticular locking system...
March 16, 2018: International Orthopaedics
https://www.readbyqxmd.com/read/29548341/clinical-effect-of-locking-compression-plate-via-posterolateral-approach-in-the-treatment-of-distal-femoral-fractures-a-new-approach
#15
Wenzhao Xing, Wei Lin, Jia Dai, Zhigang Kong, Yanfeng Wang, Lei Sun, Zhiguo Zhang, Liang Sun
BACKGROUND: Distal femur fractures are difficult to manage, and the selection of implant approach for internal fixation remains controversial. This study explores the clinical outcome of treating distal femoral fractures with a locking compression plate using a posteriolateral novel approach. METHODS: Twenty patients with distal femoral fractures were included in our study, and all patients underwent fixation of the fracture using a locking compression plate through a posterolateral approach...
March 16, 2018: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/29547115/medium-term-results-of-total-knee-arthroplasty-as-a-primary-treatment-for-knee-fractures
#16
Ayman Ebied, Ahmed Zayda, Sameh Marei, Hany Elsayed
INTRODUCTION: Successful treatment of knee comminuted periarticular fractures associated with osteoporosis and pre-existing arthritis is a challenging task. METHODS: This is a prospective study on 27 patients who had comminuted intra and periarticular knee fractures and pre-existing arthritis. Fractures were classified according to Muller's AO classification. Primary knee arthroplasty was performed ± internal fixation following 4 weeks of splinting. A stem was added to the tibial tray and Legacy Constrained Condylar Knee (LCCK) or Rotating Hinge (RH) prosthesis were used depending on the level of ligament damage and bone defects...
2018: SICOT-J
https://www.readbyqxmd.com/read/29540100/vascular-injuries-due-to-cerclage-passer-relevant-anatomy-and-note-of-caution
#17
Agraharam Devendra, M Avinash, Dinesh Chidambaram, Jayaramaraju Dheenadhayalan, S Rajasekaran
PURPOSE: The cerclage passer instrument was introduced for aiding percutaneous reduction in spiral femur fractures, thereby overcoming the risk of devascularization of the fracture ends commonly associated with traditional open cerclage wiring techniques. This may, however, predispose to iatrogenic vascular injuries owing to the proximity of the vessels and several other factors. We report four cases with femoral artery (superficial and deep) injuries caused by the cerclage passer in proximal femur and distal femur shaft fractures and incidence of these injuries in our institution...
January 2018: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/29532448/a-transpatellar-approach-to-treat-distal-femoral-type-c3-fractures-combined-with-patellar-fractures
#18
Seung Hoo Lee, Min Bom Kim, Jae Ang Sim, Do Hwan Han
We report our surgical method used to treat type C distal femur fractures accompanied by patella fractures whereby we approach the articular surface of the femur through the already-fractured patella. We treated 10 patients with type C3 distal femur and patella fractures between May 2013 and April 2015. Because the patella was fractured in all cases, we could approach the articular surface of the distal femur through the transverse gap between the retracted patellar fracture fragments, "transpatellar approach...
February 6, 2018: Journal of Knee Surgery
https://www.readbyqxmd.com/read/29529704/early-experience-with-a-short-tapered-titanium-porous-plasma-sprayed-stem-with-updated-design
#19
Adolph V Lombardi, Antonio G Manocchio, Keith R Berend, Michael J Morris, Joanne B Adams
INTRODUCTION: Short stem femoral components in primary total hip arthroplasty (THA) have increased in popularity since the advent of minimally invasive surgical techniques. The concept of a short stem is particularly compatible with tapered designs where the goal is to offload forces proximally in the femur. The purpose of this retrospective review was to review our early experience with a short, tapered titanium femoral component with updated design features. MATERIALS AND METHODS: Beginning in November 2011 through February 2012, 92 consented patients (93 hips), at a single center, were treated with primary cementless THA using a short stem, tapered femoral component (Taperloc® Complete Microplasty; Zimmer Biomet, Warsaw, Indiana) and were available for review with a minimum two-year follow-up...
March 12, 2018: Surgical Technology International
https://www.readbyqxmd.com/read/29529639/what-are-the-complications-of-allograft-reconstructions-for-sarcoma-resection-in-children-younger-than-10-years-at-long-term-followup
#20
Luis A Aponte-Tinao, Jose I Albergo, Miguel A Ayerza, D Luis Muscolo, Federico Milano Ing, German L Farfalli
BACKGROUND: Preservation of limb function after resection of malignant bone tumors in skeletally immature children is challenging. Resection of bone sarcomas and reconstruction with an allograft in patients younger than 10 years old is one reconstructive alternative. However, long-term studies analyzing late complications and limb length discrepancy at skeletal maturity are scarce; this information would be important, because growth potential is altered in these patients owing to the loss of one physis during tumor resection...
March 2018: Clinical Orthopaedics and related Research
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