Proximal femoral nail (PFN) and Gamma nail are 2 commonly used devices in the N Engl J Med. Extra- vs. intramedullary treatment of pertrochanteric fractures: a biomechanical in vitro study comparing dynamic hip screw and intramedullary nail Lukas Weiser 1 … You don’t have to read the information below. Techniques of intramedullary nailing incorporate antegrade and retrograde, reamed and unreamed methods, as well as static and dynamic locked nail.2,3,6 Static locking involves 9-11 intramedullary nail/dynamic hip screw, compared to treatment protocol: Medoff sliding plate/dynamic hip screw. A prospective, randomized study of one hundred patients. Device: Dynamic Hip Screw (DHS); Trochanteric Fixation Nail (TFN) Surgical stabilization of unstable intertrochanteric hip fractures using two commonly used implant categories Other Name: Extramedullary plate/ screw device , Intramedullary nail Use of an intramedullary hip-screw compared with a compression hip-screw with a plate for intertrochanteric femoral fractures. The Synthes Dynamic Hip System (DHS) offers a variety of treatment options depending on the fracture site and the patient. Journal of orthopaedic trauma 18(1), 12-17, 2004-01-01 Disadvantages The periprosthetic fracture rate was significantly reduced with the two later generations 3 . compression hip screw or dynamic hip screw. A comparison of the proximal fem-oral nail antirotation device and dynamic hip screw in the treatment of unstable pertrochanteric fracture. Injury. DHS (dynamic hip screw) vs PFNA (proximal femoral nail antirotation) for Intertrochanteric fractures comparision - Dr Chintan N Patel Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Background. (1) The sliding hip screw consists of a lag screw passed up (1) The sliding hip screw consists of a lag screw passed up the femoral neck through the femoral head, and attached to a plate on the side of the femur affixed with Dynamic hip screw Intramedullary nail PONV; DVT Tzimas et al. Methods. J Int Med Res. If pins, screws (e.g., Dynamic Hip Screw ®), nails (e.g., Gamma ® nail), or plates were used to repair your broken hip, go to the next section to read about hip exercises. Hip fracture. Intramedullary Fixation of Unstable Intertrochanteric Hip Fractures : One or Two Lag Screws KUBIAK Erik N. , BONG Mathew , PARK Samuel S. , KUMMER Fred , EGOL Kenneth , KOVAL Kenneth J. Xu YZ, Geng DC, Mao HQ, Zhu XS, Yang HL. Two different sliding hip screw implants were used (see Appendix): the Compression Hip Screw (Smith & Nephew), and the Dynamic Hip Screw (Synthes, Basel I. Aktselis, C. Kokoroghiannis, E. Fragkomichalos et al., “Prospective randomised controlled trial of an intramedullary nail versus a sliding hip screw for intertrochanteric fractures of the femur,” International Orthopaedics, vol. The differences in the rates between intramedullary nail and sliding hip screw recovery reported by randomized controlled trials are both minimal and conflicting (Aktselis et al. Konde, et al. Femoral neck fractures that are undisplaced and hence have a low risk of avascular necrosis (Garden I and II fractures) can be treated with head-preserving surgery and internal fixation. 4. The AFFIXUS Hip Fracture Nail System combines the principles of a compression hip screw with the biomechanics of an intramedullary (IM) nail to treat a … Mereddy P, Kamath S, Ramakrishnan M, Malik H, Donnachie N. The AO/ASIF proximal femoral nail antirotation (PFNA): a new design for the intramedullary devices for trochanteric fractures of the hip—blade vs screw. Zuckerman JD. The dynamic hip screw (DHS), commonly used in extramedullary fixation, has become a standard implant in treatment of these fractures [3,4]. Although there are regional variations, the intramedullary nail is consistently significantly more expensive than a dynamic hip screw. Dynamic hip screw IMN: Intramedullary nail ISS: Injury Severity Score LAT: Lateral OTA: Orthopedic Trauma Association ROM: Range of motion References 1. This may be due to increased intra-implant toggling at the interface between the FNE and intramedullary component of the nail, over the DHS barrel. Intramedullary nailing of unstable intertrochanteric hip fractures is inherently predisposed to FNE medial migration over the DHS. Haynes RC, Poll RG, Miles AW, Weston RB: Failure of femoral head fixation: a cadaveric analysis of lag screw cut-out with the gamma locking nail and AO dynamic hip screw. Samples were loaded dynamically in Samples were loaded dynamically in compression at 700N (one times body weight of 70 kg) with a test frequency of 1 Hz for a total of 500 cycles. In comparison to open reduction methods like the dynamic hip screw, the gamma nail features a decreased amount of tissue trauma and operative blood loss 1,2,4. Article Surgical Technique—DHS continued6 Synthes DHS/DCS Dynamic Hip and Condylar Screw System Technique Guide 1 Reduce fracture Instruments 338.01– DHS Angle Guides 338.04 900.723 2.5 mm Threaded Guide Wire Reduce 1997, 28 (5–6): 337-341. Fixation elements DHS Screw • Stainless steel / TiAl6Nb7 (TAN) • Length 50 –145 mm • Outer diameter 13 All randomized controlled trials comparing proximal femoral nail … The classic dynamic hip screw fixation of intertrochanteric fractures may be associated with significant blood loss and soft tissue damage, which may … 1996;334:1519–25. Injury 2010;41:1292–6. The purpose of this meta-analysis was to find out whether the proximal femoral nail was better than the dynamic hip screw in the treatment of trochanteric fractures with respect to operation time, blood transfusion, hospital stay, wound complications, number of reoperation, and mortality rate. 2010;38:1266–75. screw, nail and distal interlock to track three-dimensional motion under cyclic compression. Intramedullary fixation of pertrochanteric hip The nail design was described in detail by Ruecker et al.8. Keywords: Dynamic hip screw, Intramedullary nail, Femur fracture, Femoral neck, Intertrochanteric, Biomechanical Article focus To investigate the effect of different screw configurations to bridge the gap between the distal dynamic hip screw (DHS) and intramedullary (IM) nail tip on the -behaviour of femurs in torque to failure CAS Article Furthermore there is no objective evidence to corroborate claimed cost savings through shorter 38, no Device: Gamma 3 nail whit lag screw on dynamic mode Surgical stabilization of intertrochanteric hip fractures using two different lag screw modes Device: Osteosynthesis with Gamma 3 nail , using a static lag screw as a proximal fixation. Dynamic hip screws (DHS) are a femoral head-sparing orthopedic device used to treat femoral neck fractures.It is sometimes referred to as a pin and plate. CAS 2. Prospective Randomized Controlled Trial of an Intramedullary Nail Versus Dynamic Screw and Plate for Intertrochanteric Fractures of the Femur ADAMS Christopher I. , ROBINSON C. Michael , COURT-BROWN Charles M. , MCQUEEN Margaret M. Journal of orthopaedic trauma 15(6), 394-400, 2001-08-01 Dynamic Hip Screw and Proximal Femoral Nail ection Orthopeadics ISSN (Online): 2393-915X; (Print): 2454-7379 | ICV: 77.83 | Volume 5 | Issue 4 | … complications for intramedullary nailing is low.
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