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dynamic condylar trochanteric

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https://www.readbyqxmd.com/read/25983456/intrapelvic-migration-of-hip-lag-screw-of-proximal-femoral-nail-sequele-to-a-paradoxical-reverse-z-effect-and-their-critical-analysis
#1
Hitesh Lal, Deepak Kumar Sharma, Deepak Mittal
A 40-year-male treated with hip screw for unstable inter trochanteric fracture femur, had an implant failure after an aggressive therapy session .The Dynamic Condylar Screw was removed and fracture was fixed with Proximal Femoral Nail. The nail also failed to achieve its goal of fracture union, as a result of a unique type of reverse Z effect, in contradiction to expected Z effect resulting in intrapelvic migration of proximal hip lag screw of the proximal femoral nail.
June 2012: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/23306291/treatment-of-reverse-obliquity-intertrochanteric-fractures
#2
Łukasz Niedźwiedzki, Paweł Kunicki, Daniel Pilut, Tadeusz Niedźwiedzki
BACKGROUND: Unstable intertrochanteric fractures of the hip, especially reverse oblique fractures are a serious problem in traumatology, as there is no standard method of treatment and inadequate treatment carries a significant complication rate. To assess the surgical treatment results of reverse oblique trochanteric fractures. MATERIAL/METHODS: Between 1997-2010, 389 patients with intertrochanteric fractures were treated. 28 (7.1%) of these fractures classified as reverse oblique...
2012: Polish Orthopedics & Traumatology
https://www.readbyqxmd.com/read/23016786/dynamic-condylar-screw-as-a-solution-to-operative-dilemma-in-early-sub-trochanteric-fracture-following-cannulated-screw-fixation-for-slipped-capital-femoral-epiphysis-a-case-report
#3
Raghavendra Prasad Sidaginamale, P Fadero, Alexandros P Apostolopoulos, L Zolcze
A 14-year-old boy presented with a 2-month history of left groin pain and a limp on the left side. Radiographs confirmed slipped capital femoral epiphysis (SCFE) of the left hip. The surgical procedure he received used a single, 8-mm, partially threaded, cannulated screw. Postoperatively he was advised to remain strictly non-weight bearing on the affected lower limb until physeal closure was achieved. Unfortunately, he fell down 4 weeks postoperatively and sustained a subtrochanteric fracture on the same hip, with the cannulated screw still in place...
2012: Journal of Long-term Effects of Medical Implants
https://www.readbyqxmd.com/read/22719110/comparison-of-cutout-resistance-of-dynamic-condylar-screw-and-proximal-femoral-nail-in-reverse-oblique-trochanteric-fractures-a-biomechanical-study
#4
Gursimrat Singh Cheema, Amit Rastogi, Vakil Singh, Satish Chandra Goel, Diwakar Mishra, Sumit Arora
BACKGROUND: Reverse oblique trochanteric fracture of femur is a distinct fracture pattern. 95° Dynamic condylar screw (DCS) and proximal femoral nail (PFN) are currently the most commonly used implants for its fixation. This study aims to biomechanically compare the cutout resistance as well as modes of failure of DCS and PFN in reverse oblique trochanteric fractures. MATERIALS AND METHODS: Sixteen freshly harvested cadaveric proximal femoral specimens were randomly assigned to three mean bone mineral density matched groups, eight of which were implanted with 95° DCS and the other eight with PFN...
May 2012: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/21870378/salvage-procedures-for-trochanteric-femoral-fractures-after-internal-fixation-failure-biomechanical-comparison-of-a-plate-fixator-and-the-dynamic-condylar-screw
#5
COMPARATIVE STUDY
L Konstantinidis, C Papaioannou, A Mehlhorn, A Hirschmüller, N P Südkamp, P Helwig
The aim of this study was the biomechanical evaluation of the reversed less invasive stabilization system (LISS) internal fixation as a joint-preserving salvage procedure for trochanteric fractures. Five LISS plates and five dynamic condylar screws (DCS) were tested using synthetic femora (Sawbones) with an osteotomy model similar to a type-A2.3 pertrochanteric fracture. The constructs were subjected to axial loading up to 1000 N for five cycles. Then, the force was continuously increased until fixation failure...
July 2011: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
https://www.readbyqxmd.com/read/19149219/transfixed-condylar-plate-tcp-provides-better-biomechanical-and-weight-bearing-possibilities-for-the-fixation-of-trochanteric-fracture
#6
Josip Turcić, Ivan Dobrić, Tonisav Antoljak
The goal of this research was to find the implant which would provide a better possibility of the fractured osteoporotic bone weight bearing after trochanteric fracture fixation. The authors constructed a new implant based on the conventional condylar plate, as part of a stabile triangular system. Because of the special oblique form of the screw which absolutely stabilizes vertical and horizontal arm of the plate, this plate was named the transfixed condylar plate (TCP). Analysis showed 6 kN of tolerant loading elastic in TCP with a longer horizontal arm, while this value in the conventional condylar plate was 2...
December 2008: Collegium Antropologicum
https://www.readbyqxmd.com/read/18646058/gamma-and-other-cephalocondylic-intramedullary-nails-versus-extramedullary-implants-for-extracapsular-hip-fractures-in-adults
#7
REVIEW
Martyn J Parker, Helen H G Handoll
BACKGROUND: Two types of implants used for the surgical fixation of extracapsular hip fractures are cephalocondylic intramedullary nails, which are inserted into the femoral canal proximally to distally across the fracture, and extramedullary implants (e.g. the sliding hip screw). OBJECTIVES: To compare cephalocondylic intramedullary nails with extramedullary implants for extracapsular hip fractures in adults. SEARCH STRATEGY: We searched the Cochrane Bone, Joint and Muscle Trauma Group Specialised Register (June 2007), the Cochrane Central Register of Controlled Trials (The Cochrane Library 2007, Issue 2), MEDLINE (1966 to June week 3 2007), EMBASE (1988 to 2007 Week 27), the UK National Research Register, orthopaedic journals, conference proceedings and reference lists of articles...
2008: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/18427748/the-dynamic-condylar-screw-in-the-management-of-subtrochanteric-fractures-does-judicious-use-of-biological-fixation-enhance-overall-results
#8
Manzoor Ahmed Halwai, Shabir Ahmed Dhar, Mohammed Iqbal Wani, Mohammed Farooq Butt, Bashir Ahmed Mir, Murtaza Fazal Ali, Imtiyaz Hussain Dar
Subtrochanteric fractures are fraught with certain anatomic, biologic and biomechanical challenges. Evolution of implants like the Gamma nail, fixed-angle nail plates, compression hip screws and dynamic hip screws with trochanteric stabilization plates underlines a persistent quest for a better implant. We studied the dynamic condylar screw DCS as an implant on a series of 30 consecutive patients with subtrochanteric fractures. Our purpose was to assess this implant as a panacea for subtrochanteric fractures...
December 2007: Strategies in Trauma and Limb Reconstruction
https://www.readbyqxmd.com/read/16235272/gamma-and-other-cephalocondylic-intramedullary-nails-versus-extramedullary-implants-for-extracapsular-hip-fractures-in-adults
#9
REVIEW
M J Parker, H H G Handoll
BACKGROUND: Two types of implants used for the surgical fixation of extracapsular hip fractures are cephalocondylic intramedullary nails, which are inserted into the femoral canal proximally to distally across the fracture, and extramedullary implants. OBJECTIVES: To compare cephalocondylic intramedullary nails with extramedullary implants (e.g. the sliding hip screw) for extracapsular hip fractures in adults. SEARCH STRATEGY: We searched the Cochrane Bone, Joint and Muscle Trauma Group Specialised Register (June 2005), the Cochrane Central Register of Controlled Trials, MEDLINE, EMBASE, the UK National Research Register, orthopaedic journals, conference proceedings and reference lists of articles...
2005: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/14973946/gamma-and-other-cephalocondylic-intramedullary-nails-versus-extramedullary-implants-for-extracapsular-hip-fractures
#10
REVIEW
M J Parker, H H G Handoll
BACKGROUND: Cephalocondylic intramedullary nails, which are inserted proximally to distally (cephalocondylic), have been used for the surgical treatment of extracapsular hip fractures. OBJECTIVES: To compare all cephalocondylic intramedullary nails with extramedullary implants for the surgical treatment of extracapsular hip fractures in adults. This is the fourth substantive update of our original review which compared the Gamma nail with the sliding hip screw (SHS)...
2004: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/14755952/-dynamic-condylar-screw-in-reverse-oblique-trochanteric-fractures
#11
O Alexa, P Sîrbu, N Georgescu
The aim of the study was to evaluate the results of internal fixation with Dynamic Condylar Screw (DCS) in reverse oblique trochanteric fractures. In a two years period 238 patients with trochanteric fractures were treated in our department. In 31 cases (13%) the fracture has reverse obliquity (type II Evans). Internal fixation was performed with Ender nails (4 cases), AO condylar blade plate (11 cases), Dynamic Hip Screw (3 cases), Gamma nail (3 cases) and DCS (10 cases). Results 4 month after the surgery reveal that Gamma nail and DCS used in reverse oblique fractures were superior to other types of implants...
April 2003: Revista Medico-chirurgicală̆ a Societă̆ţ̜ii de Medici ş̧i Naturaliş̧ti Din Iaş̧i
https://www.readbyqxmd.com/read/12519535/gamma-and-other-cephalocondylic-intramedullary-nails-versus-extramedullary-implants-for-extracapsular-hip-fractures
#12
REVIEW
M J Parker, H H Handoll
BACKGROUND: Cephalocondylic intramedullary nails which are inserted proximally to distally (cephalocondylic) have been used for the surgical treatment of extracapsular hip fractures. OBJECTIVES: To compare all cephalocondylic intramedullary nails with extramedullary implants for the surgical treatment of extracapsular hip fractures in adults. This is the third substantive update of our original review which compared the Gamma nail with the sliding hip screw (SHS)...
2002: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/11869563/gamma-and-other-cephalocondylic-intramedullary-nails-versus-extramedullary-implants-for-extracapsular-hip-fractures
#13
REVIEW
M J Parker, H H Handoll
BACKGROUND: Cephalocondylic intramedullary nails which are inserted proximally to distally (cephalocondylic) have been used for the surgical treatment of extracapsular hip fractures. OBJECTIVES: To compare all cephalocondylic intramedullary nails with extramedullary implants for the surgical treatment of extracapsular hip fractures in adults. This is the third update of our original review which compared the Gamma nail with the sliding hip screw (SHS). SEARCH STRATEGY: We searched the Cochrane Musculoskeletal Injuries Group trials register, MEDLINE, select orthopaedic journals and conference proceedings, and reference lists of relevant articles...
2002: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/11372943/extramedullary-fixation-of-569-unstable-intertrochanteric-fractures-a-randomized-multicenter-trial-of-the-medoff-sliding-plate-versus-three-other-screw-plate-systems
#14
RANDOMIZED CONTROLLED TRIAL
K Lunsjö, L Ceder, K G Thorngren, B Skytting, J Tidermark, P O Berntson, I Allvin, S Norberg, K Hjalmars, S Larsson, R Knebel, A Hauggaard, L Stigsson
We compared the efficacy of the Medoff sliding plate (MSP) with 3 other screw-plate systems for fixation of unstable intertrochanteric fractures in a randomized multicenter trial of 569 elderly patients. The MSP has biaxial dynamic capacity along both the neck and the shaft of the femur unlike the other systems, which lack dynamic capacity along the shaft. 268 fractures were operated on with the MSP, and 301 with the dynamic hip screw (DHS), with or without a trochanteric stabilizing plate (DHS/TSP) or with the dynamic condylar screw (DCS)...
April 2001: Acta Orthopaedica Scandinavica
https://www.readbyqxmd.com/read/10704578/ipsilateral-hip-and-distal-femoral-fractures
#15
C M Chen, F Y Chiu, W H Lo, T Y Chuang
We tried to find the trauma mechanism and treatment rationale of ipsilateral concomitant hip and distal femoral fractures involving the articular surface. Between 1988 and 1995, 15 cases of ipsilateral hip (confined to neck or trochanteric areas of the femur) and distal (confined to supra- and intercondylar area of the femur) femoral articular fractures were collected. The hip fractures consisted of 10 trochanteric fractures and five neck fractures, which were managed with reduction and fixation in 14 (Knowles' pin in eight, DHS in four and standard Gamma nail in two), and primary bipolar hemiarthroplastry in one...
April 2000: Injury
https://www.readbyqxmd.com/read/10622478/extramedullary-fixation-of-107-subtrochanteric-fractures-a-randomized-multicenter-trial-of-the-medoff-sliding-plate-versus-3-other-screw-plate-systems
#16
RANDOMIZED CONTROLLED TRIAL
K Lunsjö, L Ceder, J Tidermark, P Hamberg, B E Larsson, B Ragnarsson, R W Knebel, I Allvin, K Hjalmars, S Norberg, P Fornander, A Hauggaard, L Stigsson
We compared the efficacy of a load-sharing device, the Medoff sliding plate (MSP), with that of 3 other load-bearing screw-plate devices for the fixation of subtrochanteric fractures in a randomized multicenter trial of 107 elderly patients. 55 fractures were operated on with the MSP, and 52 with the dynamic hip screw (DHS) with or without a trochanteric stabilizing plate (TSP) or with the dynamic condylar screw (DCS). The patient material in the groups was similar regarding age, domestic situation, preinjury walking ability and fracture types...
October 1999: Acta Orthopaedica Scandinavica
https://www.readbyqxmd.com/read/8814572/dynamic-condylar-screw-for-subtrochanteric-femur-fractures-with-greater-trochanteric-extension
#17
C H Pai
Sixteen cases of subtrochanteric femur fractures with greater trochanteric extension were treated using the AO dynamic condylar screw (DCS). All cases were treated using the principles of strict indirect reduction to achieve anatomic alignment rather than anatomic reduction, with no bone grafting, and delayed weight bearing. The overall union rate was 93.7% (15 of 16). One unique case of implant failure with varus nonunion was encountered following repeat trauma. The advantages of the implant and technique are a simplified procedure, shorter operative time, and rapid union...
1996: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/8376169/-proximal-femoral-fractures-trochanteric-area-classification-31-a1-a3
#18
R Rosso, N Renner, M Heberer, R Babst, P Regazzoni
The increasing incidence of trochanteric fractures renders their treatment a challenging task concerning both medical and increasingly socio-economical questions as well. The majority of these fractures occurs in elderly patients compromised by various preexisting medical problems. The primary goal of treatment therefore has to be early mobilisation to avoid secondary complications. This can only be achieved by operative treatment. Regarding the perioperative management an antibiotic as well as an antithrombotic prophylaxis is advisable...
June 1993: Helvetica Chirurgica Acta
https://www.readbyqxmd.com/read/2809821/treatment-of-subtrochanteric-femur-fractures-using-the-dynamic-condylar-screw
#19
R Sanders, P Regazzoni
Thirty-two consecutive subtrochanteric femur fractures were treated using the 95 degree dynamic condylar screw between 1982 and 1985. All fractures were classified according to the radiographic criteria of Seinsheimer. Twenty-two patients were available for follow-up study, with an average time of 23.8 months. Functional results were rated using a new traumatic hip score rating system. The overall union rate was 77.3% (17/22), with functional results rated as excellent or good in 68% (15/22). All five technical failures were associated with extensive bony comminution...
1989: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/1681696/-traumatology-in-the-elderly-treatment-concept-in-per-and-subtrochanteric-fractures-in-the-elderly
#20
W Schlickewei, E H Kuner, F Bonnaire, H M Schinko
The aim of treatment of trochanteric fractures in the elderly patient is a prompt procedure, which allows early load bearing. Between 1986 and 1988 272 patients were treated with per- and subtrochanteric fractures: pertrochanteric fractures were stabilised by means of the dynamic hip screw (DHS), subtrochanteric fractures via the 95 degree condylar plate. With both methods an early mobilisation of the patients is possible. In 70 per cent of cases treated with DHS, early load bearing could be achieved within one week...
June 1991: Aktuelle Traumatologie
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