Nov 17, 2011 proximal femoral nail antirotation pfna versus pfna augmentation the safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Ipsilateral femoral neck and shaft fractures fixation with. Between march 20 and december 2015, fifty patients 28 male and 22 females with a mean age of 72. Should the tipapex distance tad rule be modified for. It incorporates the best elements of our highly successful global hip nails tfn, pfna, and pfna ii, optimized through input from hundreds of surgeons. Proximal femoral nail pfna nail the anatomical design guarantees an optimal fit in the femur. Carefully insert the pfna manually as far as possible into the femoral opening. Proximal femoral nail antirotation pfna versus pfna. The mediallateral angle of 6 allows insertion at the tip of the greater trochanter. Fractures fixation was done by titanium pfna tm nail depuy synthes, switzerland. Synthes long proximal femoral nails pfn, pfnapfnaii and tfn. The standard implant for pfna was a nail of 200 mm in length and 11 mm in diameter whereas the gamma3 used was a 180 mm nail of 11 mm diameter. Jcm free fulltext functional and radiological results. The biomechanical effect of two implants, namely, proximal femoral nail antirotation for asia pfna ii and expert asian femoral nail a2fn, for treating subtrochanteric fracture during healing stages, is still unclear.
Free fulltext pdf articles from hundreds of disciplines, all in one place comparison of proximal femoral nail antirotation pfna with ao dynamic condylar screws dcs for the treatment for unstable peritrochanteric femoral fractures pdf paperity. The most common mode of failure of any device to treat these fractures is cutout. Pfna was first designed in 2004 by ao synthes, and pfnaii asian version was introduced in 2008. The blade and nail were eventually removed and replaced with an alternative product.
May 31, 2014 examples include the gamma nail strykerhowmedica, the intramedullary hip screw smith and nephew richards, the proximal femoral nail synthes and the ace trochanteric nail depuy orthopaedics. Complete traumatic backout of the blade of proximal. Pfna nail optimal fit the anatomical design guarantees an optimal fit in the femur. Synthes, oberdorf, switzerland is an intramedullary device with a helical blade that was developed by aoasif davos, switzerland in 2004. Listing a study does not mean it has been evaluated by the u. This site is published by the depuy synthes companies, which are solely responsible for its content.
Numerous prospective randomized clinical studies comparing it with pfnaii have shown that pfnaii is associated with a high rate of reoperations and an increased incidence of femoral shaft fractures after implant removal. Functional and radiological results of proximal femoral nail antirotation pfna osteosynthesis in the treatment of unstable pertrochanteric fractures. The asia proximal femoral nail antirotation pfna ii was specifically designed for asian patients, which could be more effective than the regular proximal femoral nail antirotation pfna. Depuy synthes impactor for pfna proximal femoral nail. The purpose of this study was to compare the clinical outcomes of elderly patients undergoing surgery for treatment of unstable trochanteric fractures receiving either proximal femoral nails antirotationasia pfnaiis or intertan nails its. Review of proximal nail antirotation pfna malaysian. Pdf the proximal femur nail antirotation represents a new generation of.
Synthes oberdorf, switzerland, was developed by the aoasif group. We evaluated radiographic and functional outcomes of patients with unstable pertrochanteric fractures treated with the proximal femur nail antirotation pfna. The fractured and postoperative models were accordingly produced. Pfna, designed by ao in 2004, is an intramedullary device with a helical blade rather than a screw for better purchase in the femoral head 2, 3. The asia proximal femoral nail antirotation versus the. Alle operationstechniken sind als pdfdateien abrufbar unter. Age 75 years and older closed unstable trochanteric fracture. Pdf intertan nail versus proximal femoral nail antirotation. Perfluorooctanoic acids are organic compounds containing an octyl chain attached to the calpha of a carboxylic acid group or a derivative thereof, where all hydrogens of the octyl chain are replaced by fluorine atoms.
Kanniraj marimuthu, vijay kumar, rajesh malhotra, and prakash p. Often, these are treated with intramedullary nails. Unstable proximal femoral fractures are common and challenging for the orthopaedic surgeon. We offer one of the worlds most comprehensive portfolios of orthopaedic products and services in the areas of joint reconstruction, trauma, spine, sports medicine, craniomaxillofacial, power tools and biomaterials. Mechanical failures after fixation with proximal femoral. The pfna synthes, hertfordshire, uk is available in four sizes standard, small, xs and long and has right and left options for the long nail. All lots of the depuy synthes impactor for pfna blade pn 03. Proximal femoral nail antirotation technique guide pfna. The flexible tip eases insertion and avoids stresses at the. Proximal femoral nail antirotation versus dynamic hip. The biomechanical effect of two implants, namely, proximal femoral nail antirotation for asia pfnaii and expert asian femoral nail a2fn, for treating subtrochanteric fracture during healing stages, is still unclear.
Clavofemoralproximaldeantirrotacion tecnicaquirurgica pfna. Proximal femoral nail antirotation versus gamma3 nail for. A biomechanical comparison of two intramedullary implants. The tfna system is designed to solve a wide range of unmet needs for surgeons, or staff, and administrators. Pfna kurz pfna lang statisch dynamisch statisch dynamisch 2 synthes pfna. Perfluorononanoic acid, also known as pfna, is classified as a perfluorooctanoic acid or a perfluorooctanoic acid derivative. The best options of internal fixation for unstable intertrochanteric fractures in elderly chinese patients remain controversial. Outcome of short proximal femoral nail antirotation and dynamic hip screw for fixation of unstable trochanteric fractures. The synthes proximal femoral nail antirotation pfna is unique because it is the only proximal femoral intramedullary nail which employs a helical blade in lieu of a. The pfnaii long additionally allows for secondary dynamization. Tfnadvanced proximal femoral nailing system tfna the tfnadvanced proximal femoral nailing system tfna is designed to advance hip fracture treatment with. Request pdf proximal femoral nail antirotation pfna for treatment of osteoporotic proximal femoral fractures background unstable trochanteric fractures have been an enigma for the orthopedic.
Three patients were died within 6 months of follow up. Between january 1, 2012, and june 31, 2015, 168 elderly patients with unstable intertrochanteric femur fractures enrolled in this study. Combined ipsilateral femoral neck and shaft fractures are an uncommon type of fractures. Proximaler femurnagel antirotation operationstechnik. The surgery was prolonged due to the jamming of the implants. New implant designs like the proximal femoral nail antirotation pfna were developed to reduce. Intertan nail versus proximal femoral nail antirotationasia. The pfna impactor is part of the pfna and pfnaii systems used for treating high energy. A biomechanical comparison of two intramedullary implants for. There were 26 men and 16 women with mean age of 61 years range, 35 90. Craniomaxillofacial cmf depuy synthes cmf offers a comprehensive portfolio of products to treat. Proximal femoral nail antirotation pfna for treatment of. Jcm free fulltext functional and radiological results of.
Mechanical failures after fixation with proximal femoral nail and risk factors semmi koyuncu,1 task. Feb 27, 20 to achieve rotational and angular stability, in 2004, the proximal femoral nail antirotation pfna device, one of the thirdgeneration intramedullary implants pfna. Download fulltext pdf the pfna proximal femur nail in treatment of unstable proximal femur fractures3 cases of postoperative perforation of the helical blade into the hip joint. Both nails have a tendency to provide rotational and angular stability. Pertrochanteric femur fractures are considered amongst the most commonly encountered fractures in the geriatric age group. Dynamic hip screw dhs fixation and proximal femoral nail antirotation pfna fixation are both frequently used to treat intertrochanteric femoral fractures iffs. Pdf functional and radiological results of proximal. Intertan nail versus proximal femoral nail antirotationasia for intertrochanteric femur fractures in elderly patients with primary osteoporosis. Synthes gmbh impactor for pfna blade medical device manufacturer, synthes gmbh, has issued a medical device safety alert concerning its impactor for pfna blade part number. From january 2011 to march 20, 45 unstable intertrochanteric fractures treated with the pfna ii synthes, solothurn, switzerland, were followed retrospectively. The pfna augmented proximal femoral nail antirotation, synthes inc.
Treatment of unstable intertrochanteric fractureswith. Examples include the gamma nail strykerhowmedica, the intramedullary hip screw smith and nephew richards, the proximal femoral nail synthes and the ace trochanteric nail depuy orthopaedics. The pfna augmented in revision surgery of proximal femur. Pdf the pfna proximal femur nail in treatment of unstable. Skin incision was done at lateral aspect of affected hip, guide wire was inserted into the tip of greater trochanter, proximal reaming by hand ream was. Pfna depuy synthes pdf catalogs technical documentation. Kurosaka department of orthopaedic surgery, kobe university graduate school of medicine, 751, kusunokicho, chuoku, 6500017 kobe, japan a r t i c l e i n f o article history. Comparison of proximal femoral nail antirotation pfna. The aoasif proximal femoral nail antirotation pfna. However, surgical treatment using a cephalomedullary nail is still an alternative option that provides better. Tfnadvanced proximal femoral nailing system tfna the tfna system is designed to advance the treatment of trochanteric fractures by providing surgical options that help to preserve bone in insertion area due to reduced critical width, improve anatomical fit 1 and increase implant strength. All cases were applied on the fracture table in supine position. A randomised prospective comparative trial bhavuk garg, dr. A retrospective analysis of the intertan nail and proximal.
Proximal femoral nail antirotation pfna versus pfna augmentation the safety and scientific validity of this study is the responsibility of the study sponsor and investigators. To achieve rotational and angular stability, in 2004, the proximal femoral nail antirotation pfna device, one of the thirdgeneration intramedullary implants pfna. Proximal femoral nail antirotation in treatment of fractures. Complete traumatic backout of the blade of proximal femoral nail antirotation. A number of different implant options are available for the management of this injury.
Proximal femoral nail antirotation surgical technique depuy synthes 5 ao principles in 1958, the ao formulated four basic principles1, 2, which have become the guidelines for internal. P f n a depuy synthes pdf catalogs technical documentation. More than five years in the making, this system offers advancement in hip. Proximal femoral nail antirotation versus dynamic hip screw. Twodevice procedures were suggested because of the higher rate of malunion by singledevice treatment. Several distal locking options static or dynamic locking can. Depuy synthes, oberdorf, switzerland 10, 11, 12 were developed to. A 3d finite element model of an intact femur was constructed and validated. Proximal femoral nail antirotation in treatment of. Pfnaii surgical technique depuy synthes 3 pfnaii nail product range the pfnaii is available in 4 sizes pfnaii long, length 260 340 mm with 20 mm increments, length 340 420 mm with 40 mm increments, only b 10 mm nails, bending radius 1500 mm pfnaii, length 240 mm pfnaii small, length 200 mm pfnaii xs, length 170 mm. Pdf this study compared sliding between a lag screws of pfn proximal femoral nail, ao synthes and b the helical blade of pfna proximal femoral. Due to its special design for the asian population, pfnaii offers a better match with the chinese peoples proximal femur anatomic structure. Pfna blades have been biomechanically proven to compact cancellous bone and achieve increased stability and. Intertan nail versus proximal femoral nail antirotation.
Among the intramedullary devices, proximal femur nailing antirotation pfna synthes inc. Biomechanical effect of bone cement augmentation on rotational stability and pullout strength of the proximal femur nail. Nov 30, 2019 the proximal femoral nail antirotation pfna was first designed in 2004 by ao synthes, and pfnaii asian version was introduced in 2008. If the pfna cannot be inserted, select a smaller size pfna diameter or ream the medullary cavity to a. Cement augmentation of the proximal femoral nail antirotation. Pdf radiographic outcomes of osteosynthesis using proximal. Shortterm followup results from previous studies 1 3 have shown that the intertan nail it smithnephew, memphis, tn is superior to the proximal femoral nail antirotationasia pfnaii synthes, solothurn, switzerland for treatment of intertrochanteric femoral fractures iffs in patients with osteoporosis. Pfna blade rotational and angular stability achieved with one single element compaction of cancellous bone inserting. A biomechanical evaluation of proximal femoral nail. Proximal femoral nail antirotation surgical technique pfna. Clinical outcomes of pfnaii in the asian intertrochanteric. In 2007, the aoasif developed the pfnaii also known as pfnaasia with sizes and geometry adapted to the femoral geometric proportions of asians 6. Pfna nail optimal fit the anatomical design guarantees an optimal.
View and download synthes tfn technique manual online. Numerous prospective randomized clinical studies comparing it with pfna ii have shown that pfna ii is associated with a high rate of reoperations and an increased incidence of femoral shaft fractures after implant removal. The asia proximal femoral nail antirotation versus the standard. Delivering a comprehensive range of power instrument systems, reamers and saws to meet a broad spectrum of clinical needs. The nail design has been well proven in over 450 000 cases performed with the pfn and pfna. Pfnaii nail several distal locking options static or dynamic locking can be performed via the aiming arm with pfnaii standard, small and xs. The asia proximal femoral nail antirotation versus the standard proximal femoral antirotation nail for unstable intertrochanteric fractures in elderly chinese patients.
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